Acer B243W
Service Guide
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Copyright
Copyright © 2008 by Acer Incorporated. All rights reserved. No part of this publication may be reproduced,
Transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in
any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without
the prior written permission of Acer Incorporated.
Disclaimer
The information in this guide is subject to change without notice. Acer Incorporated makes no representations or
warranties, either expressed or implied, with respect to the contents hereof and specifically disclaims any warranties
of merchantability or fitness for any particular purpose. Any Acer Incorporated software described in this manual is
sold or licensed "as is". Should the programs prove defective following their purchase, the buyer (and not Acer
Incorporated, its distributor, or its dealer) assumes the entire cost of all necessary servicing, repair, and any
incidental or consequential damages resulting from any defect in the software.
Intel is a registered trademark of Intel Corporation.
Pentium and Pentium II/III are trademarks of Intel Corporation.
Other brand and product names are trademarks and/or registered trademarks of their respective holders.
Trademarks
Acer is a registered trademark of Acer Incorporated.
All other trademarks are property of their respective owners.
Conventions
The following conventions are used in this manual:
Screen messages
Note
Denotes actual messages that appear on screen.
Gives bits and pieces of additional information related to the current topic.
Alerts you to any damage that might result from doing or not doing specific actions.
Gives precautionary measures to avoid possible hardware or software problems.
Remind you to do specific actions relevant to the accomplishment of procedures.
Warning
Caution
Important
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Preface
Before using this information and the product it supports, please read the following general information.
1. This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION decided
for Acer's "global" product offering. To better fit local market requirements and enhance product competitiveness,
your regional office may have decided to extend the functionality of a machine (e.g. add-on card, modem, or extra
memory capability). These LOCALIZED FEATURES will NOT be covered in this generic service guide. In such
cases, please contact your regional offices or the responsible personnel/channel to provide you with further
technical details.
2. Please note WHEN ORDERING FRU PARTS, that you should check the most up-to-date information available on
your regional web or channel. If, for whatever reason, a part number change is made, it will not be noted in the
printed Service Guide. For ACER-AUTHORIZED SERVICE PROVIDERS, your Acer office may have a
DIFFERENT part number code to those given in the FRU list of this printed Service Guide. You MUST use the list
provided by your regional Acer office to order FRU parts for repair and service of customer machines.
Warning: (For FCC Certified Models)
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in
a residential installation. This equipment generates, uses and can radiate radio frequency energy, and if not installed
and used in accordance with the instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment off and on, the user
is encouraged to try to correct the interference by one or more of the following measures:
1. Reorient or relocate the receiving antenna.
2. Increase the separation between the equipment and receiver.
3. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
4. Consult the dealer or an experienced radio/TV technician for help.
Notice:
1. The changes or modifications not expressly approved by the party responsible for compliance could void the
user's authority to operate the equipment.
2. Shielded interface cables and AC power cord, if any, must be used in order to comply with the emission limits.
3. The manufacturer is not responsible for any radio or TV interference caused by unauthorized modification to this
equipment. It is the responsibility of the user to correct such interference.
As ENERGY STAR® Partner our company has determined that this product meets the ENERGY STAR®
guidelines for energy efficiency.
Warning:
To prevent fire or shock hazard, do not expose the monitor to rain or moisture. Dangerous high voltages are present
inside the monitor. Do not open the cabinet. Refer servicing to qualified personnel only.
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Precautions
z Do not use the monitor near water, e.g. near a bathtub, washbowl, kitchen sink, laundry tub, swimming pool or in
a wet basement.
z Do not place the monitor on an unstable trolley, stand, or table. If the monitor falls, it can injure a person and
cause serious damage to the appliance. Use only a trolley or stand recommended by the manufacturer or sold
with the monitor. If you mount the monitor on a wall or shelf, uses a mounting kit approved by the manufacturer
and follow the kit instructions.
z Slots and openings in the back and bottom of the cabinet are provided for ventilation. To ensure reliable
operation of the monitor and to protect it from overheating, be sure these openings are not blocked or covered.
Do not place the monitor on a bed, sofa, rug, or similar surface. Do not place the monitor near or over a radiator
or heat register. Do not place the monitor in a bookcase or cabinet unless proper ventilation is provided.
z The monitor should be operated only from the type of power source indicated on the label. If you are not sure of
the type of power supplied to your home, consult your dealer or local power company.
z The monitor is equipped with a three-pronged grounded plug, a plug with a third (grounding) pin. This plug will fit
only into a grounded power outlet as a safety feature. If your outlet does not accommodate the three-wire plug,
have an electrician install the correct outlet, or use an adapter to ground the appliance safely. Do not defeat the
safety purpose of the grounded plug.
z
Unplug the unit during a lightning storm or when it will not be used for long periods of time. This will protect the
monitor from damage due to power surges.
z Do not overload power strips and extension cords. Overloading can result in fire or electric shock.
z Never push any object into the slot on the monitor cabinet. It could short circuit parts causing a fire or electric
shock. Never spill liquids on the monitor.
z Do not attempt to service the monitor yourself; opening or removing covers can expose you to dangerous
voltages and other hazards. Please refer all servicing to qualified service personnel
z To ensure satisfactory operation, use the monitor only with UL listed computers which have appropriate
configured receptacles marked between 100 - 240V AC, Min. 5A.
z The wall socket shall be installed near the equipment and shall be easily accessible.
Special Notes On LCD Monitors
The following symptoms are normal with LCD monitor and do not indicate a problem.
Notes
z Due to the nature of the fluorescent light, the screen may flicker during initial use. Turn off the Power Switch and
then turn it on again to make sure the flicker disappears.
z You may find slightly uneven brightness on the screen depending on the desktop pattern you use.
z The LCD screen has effective pixels of 99.99% or more. It may include blemishes of 0.01% or less such as a
missing pixel or a pixel lit all of the time.
z Due to the nature of the LCD screen, an afterimage of the previous screen may remain after switching the image,
when the same image is displayed for hours. In this case, the screen is recovered slowly by changing the image
or turning off the Power Switch for hours.
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Table Of Contents
Chapter 1
Monitor Features
…………………………………………
7
Introduction
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7
8
Electrical Requirements
LCD Monitor General Specification
LCD Panel Specification
Support Timing
9
10
13
14
15
16
18
19
21
Monitor Block Diagram
Main Board Diagram
Software Flow chart
Main Board Layout
Installation
Attaching/Removing the base
Chapter 2
Operating Instructions
………………………………………
22
External Controls
………………………………………
………………………………………
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22
22
23
24
27
Front Panel Controls
eColor Management (OSD)
How to Adjust a Setting
LOGO
Chapter 3
Machine Disassembly
………………………………………
28
Chapter 4
Chapter 5
Troubleshooting
………………………………………
………………………………………
32
38
Connector Information
Chapter 6
Chapter 7
FRU (Field Replacement Unit) List
………………………………………
40
Exploded Diagram
………………………………………
40
Schematic Diagram
………………………………………
45
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Chapter 1
Monitor Features
Introduction
Scope
This specification defines the requirements for the 24” MICROPROCESSOR based Multi-mode supported high
resolution color LCD monitor. This monitor can be directly connected to general 15-pin D-sub VGA connector and
24-pin DVI connector, also supports VESA DPMS power management and plug & play function.
Description
The LCD monitor is designed with the latest LCD technology to provide a performance oriented product with no
radiation. This will alleviate the growing health concerns. It is also a space saving design, allowing more desktop
space, and comparing to the traditional CRT monitor, it consumes less power and gets less weight in addition MTBF
target is 50k hours or more.
Chart of B243W
Panel
LTM240CT01 801(A01)
Signal Interface
Sync Type
D-Sub 15-pin/ DVI 24-pin
Separate / Compatible
Color Temp User Adjust
DDC
Support
DDC2B
No
Speaker
Headphone Jack
Microphone Jack
USB Hub
Yes
No
Yes
Tilt / Swivel
Yes / Yes
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Electrical Requirements
Standard Test Conditions
All tests shall be performed under the following conditions, unless otherwise specified.
Ambient light
Dark room (< 1 cd/m2)
Viewing distance
Warm up time
35-50cm
>30 minutes
Analog Input signal
Control temperature
Brightness control
700 mVss
6500° K
Set to Factory preset value (cut off raster)
Set to The value under user mode, which allows that the brightest
two of 32 linear distributed gray-scales (0~ 700mv) can be
distinguished.
User contrast control
Picture position and size
Viewing angle
Factory preset value
90°+/-20 ° H and 90°+/-10° V
230V± 5%, 50±3Hz
AC Supply voltage
Ambient temperature
Humidity
20+5℃
65% ± 20%
Display mode
1920x1200, 60 Hz, all white
Set to “User” mode
e-color mode
Measurement systems
The units of measure stated in this document are listed below:
1 gamma = 1 nano tesla
1 tesla = 10,000 gauss
cm = in x 2.54
Lb = kg x 2.2
Degrees F = [°C x 1.8] + 32
Degrees C = [°F - 32]/1.8
u' = 4x/(-2x + 12y + 3)
v' = 9y/(-2x + 12y + 3)
x = (27u'/4)/[(9u'/2) - 12v' + 9]
y = (3v')/[(9u'/2) - 12v' + 9]
nits = cd/(m2) = Ft-L x 3.426
lux = foot-candle x 10.76
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LCD Monitor General Specification
Driving system
TFT Color LCD
Active Display Area
518.4(H) x 324.0(V)
Pixel pitch
LCD Panel
0.270(H) x 0.270(W)
1000 : 1
Contrast Ratio
Response time
Luminance of White
Separate Sync.
5ms
400(Typ.) cd/㎡
H/V TTL
Input
H-Frequency
V-Frequency
(H)160 (V) 160(Type)
16.7M
30kHz – 80kHz
56-76Hz
Viewing angle
Display Colors
Display mode
1920 x 1200 @60Hz
ON Mode
< 118W
< 1W
EPA ENERGY STAR®
OFF Mode
Set to factory preset value, which allows that the brightest two of 32 linear distributed
Contrast control
Power Source
gray-scales (0~ 700mv) can be distinguished.
90 V ~ 240 V,50 ± 3Hz, 60 ± 3Hz
Operating Temp: 0° to 40°C
Storage Temp: -30° to 65°C
Operating Humidity: 0% to 90%
Storage Humidity: 0% to 90%
Environmental
Considerations
Peak surge current
Power line surge
< 100 A peak at 230 VAC and cold starting&25℃ & DC Output at Full-load
No advance effects (no loss of information or defect) with a maximum of 1 half-wave
missing per second
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LCD Panel Specification
LTM240CT01 is a color active matrix liquid crystal display (LCD) that uses amorphous silicon TFT (Thin Film
Transistor) as switching components. This model is composed of a TFT LCD panel, a driver circuit and a back light
unit. The resolution of a 24.0” is 1920 x 1200 and this model can display up to 16.7 millions colors.
General Specifications
Mechanical Information
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Electrical Characteristics
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Optical Specifications
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Support Timing
VESA MODES
Horizontal
Vertical
Nominal
Nominal
Pixel
Nominal
Sync
Sync
Mode
VGA
Resolution
Total
Frequency
+/- 0.5KHz
Freq.
Polarity
Polarity
Clock
+/- 1 Hz
(MHz)
25.175
31.500
31.500
36.000
40.000
50.000
49.500
65.000
75.000
78.4
640x480@60Hz
640x480@72Hz
640x480@75Hz
800x600@56Hz
800x600@60Hz
800x600@72Hz
800x600@75Hz
1024x768@60Hz
1024x768@70Hz
1024x768@72Hz
1024x768@75Hz
1152x864@75Hz
1280x1024@60Hz
1280x1024@70Hz
1280x1024@72Hz
1280x1024@75Hz
1280x960@60Hz
1440x900@60Hz
1680x1050@60Hz
1920*1200@60HZ
1600x1200@60Hz
800 x 525
832 x 520
840 x 500
1024 x 625
1056 x 628
1040 x 666
1056x625
1344x806
1328x806
1304x798
1312x800
1600X900
1688x1066
1688x1066
1688x1066
1688x1066
1800x1000
1904x934
2240x1089
2080*1235
2160x1250
31.469
37.861
37.500
35.156
37.879
48.077
46.875
48.363
56.476
57.7
N
N
N
N/P
P
59.940
72.809
75.00
56.250
60.317
72.188
75.000
60.004
70.069
72
N
N
N
N/P
P
SVGA
P
P
P
P
N
N
P
N
N
P
XGA
60.023
67.5
P
75.029
75
P
78.750
108.000
108.000
124.9
P
P
63.981
74.4
P
60.020
70
P
P
P
SXGA
77.9
P
72
P
134.6
79.976
60
P
75.025
60
P
135.000
108
P
P
55.93
65.29
74.038
75
P
60
P
106.5
WSXGA
WUXGA
UXGA
N
P
59.95
59.95
60
P
146.25
154.00
162
N
P
P
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Monitor Block Diagram
The LCD MONITOR will contain a main board, an inverter board, an adapter board, a key board and a USB board
which house the flat panel control logic, brightness control logic and DDC.
The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips
each voltage.
Flat Panel and
CCFL Drive
CCFL Backlight
Inverter Board
RS232 Connector
For white balance
Adapter Board
Main Board
adjustment in factory
mode
AC input
Key Board
USB Board
Video Signal, DDC
HOST Computer
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Main Board Diagram
Crystal
LCD Interface
(CN703)
24MHZ/30PF/49US
(X402)
MCU
MTV416GMV
(U407)
Scalar IC MST9200HA-LF-165
(Include ADC, OSD)
(U403)
Crystal 14.318MHz
(X401)
EPR_SDA
EPR_SCL
H sync
V sync
RGB
Digital
Video
Signal
Key Board
Control
EEPROM
M24C16
(U408)
(CN405)
DVI
FRAME
MEMORY
(U404)
D-Sub
Connector
(CN401)
Connector
(CN402)
DB15_SDA,
DB15_SCL
EEPROM
M24C02
(U401)
EEPROM
M24C02
(U402)
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Software Flow Chart
1
2
4
5
Y
3
N
N
N
Y
6
N
7
8
Y
Y
9
N
10
11
13
Y
N
N
12
Y
Y
N
14
15
16
Y
17
N
19
18
Y
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Remark:
1) MCU initializes.
2) Is the EEPROM blank?
3) Program the EEPROM by default values.
4) Get the PWM value of brightness from EEPROM.
5) Is the power key pressed?
6) Clear all global flags.
7) Are the AUTO and SELECT keys pressed?
8) Enter factory mode.
9) Save the power key status into EEPROM.
Turn on the LED and set it to green color.
Scalar initializes.
10) In standby mode?
11) Update the lifetime of back light.
12) Check the analog port, are there any signals coming?
13) Does the scalar send out an interrupt request?
14) Wake up the scalar.
15) Are there any signals coming from analog port?
16) Display "No connection Check Signal Cable" message. And go into standby mode after the
message disappears.
17) Program the scalar to be able to show the coming mode.
18) Process the OSD display.
19) Read the keyboard. Is the power key pressed?
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Main Board Layout
Symbol
Description
D-SUB 15PIN
Symbol
U403
U701
U702
U404
U405
U401
U408
X401
Description
CN402
CN401
CN703
CN701
CN405
U407
IC MST9200HA-LF-165 PQFP-208
IC AIC1084-33PMTR-R AIC
DVI 24PIN CONN F
WAFER 30P 2.0MM DIP DUAL ROW
WAFER 14P RIGHT ANGLE PITCH
WAFER 6P RIGHT ANGLE PITCH 2.0
MTV416GMV
IC AIC1084-33PMTR-R AIC
IC EM636165TS-5G 16M TSOPII-50 ETRON
IC EM636165TS-5G 16M TSOPII-50 ETRON
M24C02-WMN6TP
U402
M24C02-WMN6TP
M24C16-WMN6TP
X402
24MHZ/30PF/49US
XAT01431AFI1H-3OHX AT-49 14.31818MHZ
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Installation
To install the monitor on your host system, please follow the steps below:
Steps
1.Connect the video cable
A: Make sure both the monitor and computer are switched off.
B: Connect the VGA video cable to the computer.
C: Connect the digital cable (only for dual-input models).
(1) Make sure both the monitor and computer are switched off.
(2) Connect one end of the 24-pin DVI cable to the back of the monitor and the other end to the computer's port.
2.Connect the power cord
Connect the power cord to the monitor, then to a properly grounded AC outlet.
3.Turn on the monitor and computer
Turn on the monitor first, then the computer. This sequence is very important.
4.If the monitor does not function properly, please refer to the troubleshooting section to diagnose the problem.
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Attaching/Removing The Base
Install: Align the base with the stand and push the base towards the top of the monitor, and then rotate the base
clockwise. Tighten the screw clockwise.
Remove: Reverse the steps to remove the base.
Screen Position Adjustment
In order to optimize the best viewing position, you can adjust the height/tilt/swivel/pivot of the monitor.
Height Adjustment
After pressing the top of the monitor, push the lock button towards right, then you can adjust the height of the
monitor.
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Tilt
Please see the illustration below for an example of the tilt range.
Swivel
With the built-in pedestal, you can swivel the monitor for the most comfortable viewing angle.
Monitor Pivot
Adjust height to the top position before rotation the monitor. Rotate clockwise until the monitor stops at 90°.
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Chapter 2
Operating Instructions
Press the power button to turn the monitor on or off. The other control buttons are located at front panel of the
monitor. By changing these settings, the picture can be adjusted to your personal preferences.
• The power cord should be connected.
• Connect the video cable from the monitor to the video card.
• Press the power button to turn on the monitor position. The power indicator will light up.
External Controls
Front panel controls
1 Power LED: Lights up to indicate the power is turned on.
2 Power Switch: Turn the power on or off.
3.4 < / > : Press < or > to navigate to the desired function, press Enter to select the function. Press < or > to change
the settings of the current function.
5 Menu/Enter: Activate the OSD menu when the OSD is off or activate deactivate the adjustment function when the
OSD is on.
6 Auto adjust button/Exit:
a. When the OSD menu is active, this button will act as the exit key exit OSD menu).
b. When the OSD menu is inactive, press this button for two seconds to activate the Auto Adjustment function. The
Auto Adjustment function s used to set the HPos, VPos, Clock and Focus.
7 Empowering Key/Exit:
a. When the OSD menu is active, this button will act as the exit key exit OSD menu).
b. When the OSD menu is inactive, press this button to select scenario mode.
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eColor Management (OSD)
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How to Adjust a Setting
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Adjusting the picture
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Logo
When the monitor is power on, the LOGO will be showed in the center, and disappear slowly.
How To Optimize The DOS-Mode
Plug And Play
Plug & Play DDC2B Feature
This monitor is equipped with VESA DDC2B capabilities according to the VESA DDC STANDARD. It allows the
monitor to inform the host system of its identity and, depending on the level of DDC used, communicate additional
information about its display capabilities.
The DDC2B is a bi-directional data channel based on the I²C protocol. The host can request EDID information over
the DDC2B channel.
This monitor will appear to be non-functional if there is no video input signal. In order for this monitor to
operate properly, there must be a video input signal.
This monitor meets the Green monitor standards as set by the Video Electronics Standards Association (VESA)
and/or the United States Environmental Protection Agency (EPA) and The Swedish Confederation Employees
(NUTEK). This feature is designed to conserve electrical energy by reducing power consumption when there is no
video-input signal present. When there is no video input signals this monitor, following a time-out period, will
automatically switch to an OFF mode. This reduces the monitor's internal power supply consumption. After the video
input signal is restored, full power is restored and the display is automatically redrawn. The appearance is similar to
a "Screen Saver" feature except the display is completely off. Pressing a key on the keyboard, or clicking the mouse
restores the display.
Using The Right Power Cord
The accessory power cord for the Northern American region is the wallet plug with NEMA 5-15 style and is UL listed
and CSA labeled. The voltage rating for the power cord shall be 125 volts AC.
Supplied with units intended for connection to power outlet of personal computer: Please use a cord set consisting of
a minimum No. 18 AWG, type SJT or SVT three conductors flexible cord. One end terminates with a grounding type
attachment plug, rated 10A, 250V, and CEE-22 male configuration. The other end terminates with a molded-on type
connector body, rated 10A, 250V, having standard CEE-22 female configuration.
Please note that power supply cord needs to use VDE 0602, 0625, 0821 approval power cord in European counties.
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Chapter 3
Machine Disassembly
This chapter contains step-by-step procedures on how to disassemble the monitor for
maintenance.
Disassembly Procedure
1. Remove the hinge assembly as the following indicator. (Fig 1~2)
Fig 1
Fig 2
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2. Remove the back cover, bezel and remove the screws remarked in red in order to remove the main board
below. (Fig 3~Fig 4)
Fig 3
Fig 4
3. Release the shield inverter and lamp connectors. (Fig 5-7)
Fig 5
Fig 6
Fig 7
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4. Remove the screws remarked in red and release the connector remarked in blue to remove the USB
board.(Fig 8)
Fig 8
5. Remove the screws to remove the panel. Pay attention to the LVDS cable.(Fig 9-10)
Fig 9
Fig 10
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6. Remove the screws to remove the main board, adapter board and inverter board.( Fig 11)
Fig 11
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Chapter 4
Troubleshooting
This chapter provides troubleshooting information for the B243W:
1. No Power
No power
Press power key and look if the
picture is normal
NG
Please reinsert and make sure the
AC of 100-240 is normal
NG
Reinsert or check the
power section
OK
Measure U701, U702 Pin2=3.3V,
U703 Pin1=1.8V
NG
OK
Measure CN701 Pin1=12V?Pin5=5V?
Check if X401,X402 oscillate
waveforms are normal
NG
Replace Power section
OK
NG
OK
Replace X401,X402
Replace U701,U702,U703
Replace U403
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2. No Picture (LED is orange)
No picture
NG
The button if
under control
X401 oscillate
NG
Replace X401
waveform is normal
OK
OK
NG
Check reset circuit of
U407 is normal
Check Correspondent
component
Measure U701, U702 Pin2=3.3V,
U703 Pin1=1.8V
OK
NG
Replace U407
Replace
U701,U702,
U703
OK
Check HS/VS from
CN402 is normal
NG
Check Correspondent
component
OK
Replace U403
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3. White screen
White screen
NG
Measure Q707 base
is low level?
X402
waveform is normal
oscillate
OK
NG
OK
Replace X402
Check Q705,Q706,Q707 is
broken or CN703 solder?
Check U403/U407
NG
NG
Check Correspondent
component.
OK
Replace U403/U407
Replace PANEL
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4. Key Board
OSD is unstable or not working
NG
Is Key Pad Board connecting normally?
Y
Connect Key Board
Replace Button Switch
Replace Key Board
NG
Is Button Switch normally?
Y
NG
Is Key Pad Board normally?
Y
Check Main Board
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5. Adapter/Inverter Board
No power
No power
Check CN902 Pin3~7 = 24 V
OK
NG
Check Interface board
Check AC line volt 120V or 220V
NG
Check F901,NR901,power cable
OK
Check the voltage of C914 (+)
NG
OK
Check bridge retified circuit
Check start voltage for the Pin6 of IC903
NG
Repearing the start voltage
Change IC903,IC951,ZD901,Q903,Q904,PS_ON
OK
Check T901,T902,IC901,IC902,Q901,Q902
NG
ReplaceT901,T902,IC901,IC902,Q901,Q902
Check OLP circuit
OK
Check D953, IC955,IC954,C964,C965,C966,IC950,IC953,ZD950,Q950
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W/LED No Backlight
Check the 24V voltage input
NG
NG
NG
Check the adapter
OK
Check ON/OFF signal
OK
Check Interface board
Check the voltage of IC801 pin2
Change Q805.Q806 or Q807
OK
Check the pin1&15 of IC801 have PWM wave
NG
Replace IC801
OK
Check Q802,Q804,Q808,Q809
Drain wave
NG
OK
Replace Q802,Q804,Q808,Q809
Change PT801~PT812
Check the output of PT801~PT812
NG
OK
Check connecter & lamp
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Chapter 5
Connector Information
The following figure shows the connector locations on the monitor:
D-SUB connector
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DVI Connector
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Chapter 6
FRU (Field Replaceable Unit) List
This chapter gives you the FRU (Field Replaceable Unit) listing in global configurations of B243W.Refer to this
chapter whenever ordering for parts to repair or for RMA (Return Merchandise Authorization).
NOTE: Please note WHEN ORDERING FRU PARTS, that you should check the most up-to-date information
change is made, it will not be noted in the printed Service Guide. For ACER AUTHORIZED SERVICE
PROVIDERS, your Acer office may have a DIFFERENT part number code from those given in the FRU list of
this printed Service Guide. You MUST use the local FRU list provided by your regional Acer office to order
FRU parts for repair and service of customer machines.
NOTE: To scrap or to return the defective parts, you should follow the local government ordinance or regulations on
how to dispose it properly, or follow the rules set by your regional Acer office on how to return it.
Exploded Diagram (Model: B243W)
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Part List
Above picture show the description of the following component.
Item
Picture
Description
1
Hinge Assembly
2
Main Frame
3
Panel
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Adapter Board
4
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5
Inverter Board
6
Main Board
7
USB Board
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8
LVDS Cable
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Chapter 7
Schematic Diagram
Main Board
POWER INPUT
+12V
+3.3V
CN701
+3.3V
4
+12V
6
1
2
3
4
+12V
+12V
+12V
GND
REV:C
FOR SCALER POWER
+
5
6
+5V
+5V
NC C701
1000uF/16V 0.1uF
NC C702
FB701
120 OHM
+5V
U701
VCPU
7
+5V
+5V
8
9
10
11
12
13
14
GND
GND
GND
ON_OFF
Dimming
PS_ON
GND
3
1
2
1
2
VCPU
6
VIN
VOUT
+5V 3,6
ADJ
REV:C
REV:C
REV:C
+3.3AVDD
+
+
C706
0.1uF
AIC1084-33PM
SOT-263
C707
0.1uF
C704
22uF 16V
+5V
C705
1000uF/16V
C703
1000uF/16V
PS_ON/OFF BKLT-PWM
+3.3AVDD
4
POWER ON
LOW
HI
LOW
HI
REV:C
R701
POWER SAVING
POWER OFF
CONN
10K 1/10W 5%
HI
HI
Q701
REV:C
2N3904S-RTK/PS
PS_ON/OFF
6
C727
0.1uF
R702
4K7 1/10W 5%
+5V
REV:C
R703
10K 1/10W 5%
R704
1K 1/10W 5%
+5V
+3.3V_SD
SOT-252
U702
R705
4K7 1/10W 5%
3
2
+3.3V_SD 4,5
Vin
Vo2
C709
0.1uF
BKLT-EN
6
Q702
2N3904S-RTK/PS
REV:C
C710
22uF 16V
+5V
C712
0.1uF
C708
0.1uF
AIC1084-33PE
R706
1K 1/10W 5%
REV:C
R707
1K 1/10W 5%
Q703
2N3904S-RTK/PS
REV:C
NC C713
BKLT-PWM
4
22uF 16V
R708
4K7 1/10W 5%
+VLCD
+5V
+1.8V
Q704
AO3401
L701
22uH
+VLCD
7
+1.8V
4
+5V
REV:C
D701
R709
+
C714
C715
0.001uF
REV:C
SSM54PT22R 1/10W 5%
Q705
PANEL_EN
LOW
R710
+5V
470UF 16V
R711
10K 1/10W 5%
100K 1/10W 5%
POWER ON
REV:C
R712
100K 1/10W 5%
U703
VIN
C716
0.001uF
POWER OFF
HI
8
7
6
5
4
3
2
1
FB
R714
NC
AO4403
PGATE
N.C
C718
0.068uF
R713
33K 1/10W 5%
Q706
2N3904S-RTK/PS
C719
0.001uF
C720
0.001uF
PWGND AGND
Q707
2N3904S-RTK/PS
R716
6
PANEL_EN
ADJ
ISENSE
Q708
NC C721
0.22uF /NC
15K 1/10W 5%
R717
2N3906S-RTK/PS /NC
4K7 1/10W 5%
C723
NC
LM3485
R719
31.6K
1% 1/10W
+12V
+
C724
NC
FOR USB POWER
5
4
3
2
1
USB CTRL
6
USB_CTRL
CN702
NC
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+5V
REV:C
+5V
CN401
GND
R401
10K 1/10W 5%
+5V
25
NC R402
1
2
3
4
5
6
7
8
RX2-IN
RX2+IN
R403
100R 1/10W 5%
NC Q402
2N7002E
47R 1/10W
SDA_DVI
DVI_CONNECT_MCU
6
RX2-
RX2+
GND
RX4-
RX4+
SCL
SDA
VS
REV:C
NC R404
DVI_5V
D401
UDZS5.6B
NC R405
NC Q403
2N7002E
4K7 1/10W 5%
NC R406
47R 1/10W
R407
R411
0R 1/10W 5%
DVI_CONNECT_MCU
DVI_DDC2_SCL
DVI_DDC2_SDA
4K7 1/10W 5%
47R 1/10W
SCL_DVI
CABLE
CONNECTION
CABLE NOT
CONNECTION
R410
1K 1/10W 5%
NC R408
NC R409
LOW
HI
Q401
6
6
DVI_SCL
9
RX1-IN
RX1+IN
R412
47R 1/10W
0R 1/10W 5%
2N3906S-RTK/PS
RX1-
RX1+
GND
RX3-
RX3+
5V
REV:C
10
11
12
13
14
15
16
10K 1/10W 5%
HPD_CTRL
6
DVI_SDA
REV:C
D402
UDZS5.6B
D403
UDZS5.6B
D404
UDZS5.6B
+5V
+5V
GND
HP
RX0+IN
RX0-IN
RX1+IN
RX1-IN
RX2+IN
RX2-IN
R413
R414
R415
R417
R418
R420
10R 1/10W 5%
10R 1/10W 5%
10R 1/10W 5%
10R 1/10W 5%
10R 1/10W 5%
10R 1/10W 5%
RX0P
RX0N
RX1P
RX1N
RX2P
RX2N
4
4
4
4
4
4
17
18
19
20
21
22
23
24
RX0-IN
RX0+IN
NC R416
RX0-
RX0+
GND
RX5-
RX5+
GND
RXC+
RXC-
NC Q404
2N7002E
47R 1/10W
SDA_DB
NC R419
4K7 1/10W 5%
NC R422
47R 1/10W
NC R421
4K7 1/10W 5%
R423
0R 1/10W 5%
RXC+IN
RXC-IN
R424
R425
10R 1/10W 5%
10R 1/10W 5%
RXCP
RXCN
4
4
NC Q405
2N7002E
47R 1/10W
SCL_DB
26
NC R426
NC R427
0R 1/10W 5%
6
6
RX_SCL
GND
47R 1/10W
R428
TX_SDA
JACK
D405
BAV99
D406
BAV99
D407
BAV99
D408
BAV99
D409
BAV99
D410
BAV99
D411
BAV99
D412
BAV99
+5V
R429
1K 1/10W 5%
C401
0.1uF
C402
0.1uF
C403
0.1uF
C404
0.1uF
C405
0.1uF
C406
0.1uF
C407
0.1uF
C408
0.1uF
ESD
REV:C
DVI_5V +5V
+5V 2,6
D413
UDZS5.6B
D414
BAV70
REV:C
REV:C
R434
4K7 1/10W 5%
R432
4K7 1/10W 5%
C409
R433
0.22uF
10K 1/10W 5%
U401
1
2
3
4
8
7
6
5
A0
A1
A2
GND
VCC
WP
SCL
SDA
SCL_DVI
SDA_DVI
R437
R438
100R 1/10W 5%
100R 1/10W 5%
DVI_DDC2_SCL
DVI_DDC2_SDA
REV:C
M24C02-WMN6TP
R439
R440
100R 1/10W 5%
100R 1/10W 5%
HDCP_DATA
HDCP_CLK
4
4
DDC_WP
LOW
CABLE
CONNECTION
CABLE NOT
CONNECTION
HI
R441
10K 1/10W 5%
Q406
2N3904S-RTK/PS
DDC_WP
6
REV:C
C410
0.1uF
R442
10K 1/10W 5%
PC5V
+5V
CN402
11
1
6
2
7
3
8
4
9
RED+
RED-
GREEN+
GREEN-
BLUE+
BLUE-
FB401 0R05 1/10W 5%
R443
R444
R445
R446
33R 1/10W
33R 1/10W
33R 1/10W
C411 0.047uF
R+
G+
B+
4
4
4
12
13
14
15
FB402 0R05 1/10W 5%
FB403 0R05 1/10W 5%
C412 0.047uF
C413 0.047uF
C414 0.001uF
D417
BAV70
REV:C
R447
10K 1/10W 5%
PC5V
PC5V
470R 1/10W 5%
SOG
4
R448
75R 1/10W 5%
R450
75R 1/10W 5%
5
VGA_CON
10
C497
NC
C498
NC
C499
NC
REV:C
R449
75R 1/10W 5%
R453
75R 1/10W 5%
75R 1/10W 5%
75R 1/10W 5%
C415 0.047uF
C416 0.047uF
C418 0.047uF
DB15
R-
G-
B-
4
4
4
R451
4K7 1/10W 5%
R452
4K7 1/10W 5%
R454
R455
+5V
C417
0.22uF
D418
BAV99
D419
BAV99
D420
BAV99
U402
1
2
3
4
8
7
6
5
A0
A1
A2
GND
VCC
D421
UDZS5.6B
WP
SCL
SDA
SCL_DB
SDA_DB R458
R456
100R 1/10W 5%
100R 1/10W 5%
R457
ESD
10K 1/10W 5%
M24C02-WMN6TP
C419
0.047uF
C420
0.047uF
C421
0.047uF
R459
100R 1/10W 5%
VGA_CONNECT_MCU
6
HSI
FB404
430 OHM
430 OHM
R460
R461
1K 1/10W 5%
1K 1/10W 5%
REV:C
HS
4
REV:C
REV:C
D422
UDZS5.6B
D423
UDZS5.6B
VSI
FB417
VS
4
REV:C
R462
R463
C423
D424
UDZS5.6B
D425
UDZS5.6B
2K2 1/10W 5%
C422
22pF
2K2 1/10W 5%
220pF
D426
VGA_CONNECT_MCU
UDZS5.6B
CABLE
LOW
HI
CONNECTION
CABLE NOT
CONNECTION
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+3.3AVDD
+3.3V
AVDD_PLL
+3.3AVDD
AVDD_PLL2
AVDD_MPLL
FB405
FB406
FB407
2
+3.3AVDD
2
+3.3V
1
2
1
2
1
2
120 OHM
120 OHM
120 OHM
C425
0.1uF
C427
0.1uF
C424
22uF 16V
C426
22uF 16V
C428
22uF 16V
C429
0.1uF
+1.8V
FB408
VDDC
2
+1.8V
+3.3V_SD
1
2
VDDM
FB409
120 OHM
C431 C432 C433 C434 C435 C436 C437 C438
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
2,5 +3.3V_SD
1
2
C430
22uF 16V
120 OHM
C440
0.1uF
C442 C443 C444 C445
0.1uF 0.1uF 0.1uF 0.1uF
VDDP
+3.3V
FB410
C439
22uF 16V
+3.3AVDD
+3.3AVDD
AVDD_DVI
FB411
AVDD_ADC
FB412
1
2
1
2
120 OHM
1
2
120 OHM
C447 C448
0.1uF 0.1uF
120 OHM
C450 C451
0.1uF 0.1uF
C446
22uF 16V
C453 C454
0.1uF 0.1uF
C449
22uF 16V
C452
22uF 16V
VDDM
MVref
R549
1K 1/10W 5%
AVDD_ADC
AVDD_MPLL
AVDD_PLL2
AVDD_DVI
VDDP VDDM
VDDC
AVDD_PLL
C500
C455
R550
22pF
X401
C456 0.1uF
1K 1/10W 5% 0.1uF
14.31818MHz
C457
22pF
1
GND
DVI_R+
DVI_R-
DVI_G+
DVI_G-
DVI_B+
DVI_B-
DVI_CK+
DVI_CK-
REXT
DDCD_DA
DDCD_CK
207
208
2
3
5
6
8
9
3
3
3
3
3
3
RX2P
RX2N
RX1P
RX1N
RX0P
RX0N
RXCP
RXCN
191
190
189
188
187
186
181
180
179
178
177
176
175
174
171
170
169
168
167
166
165
164
161
160
NC
NC
NC
NC
LVB0N
RXOIN0-
RXOIN0+
RXOIN1-
RXOIN1+
RXOIN2-
RXOIN2+
7
7
7
7
7
7
LVB0M
LVB0P
LVB1M
LVB1P
LVB2M
LVB2P
LVBCKM
LVBCKP
LVB3M
LVB3P
LVA0M
LVA0P
LVA1M
LVA1P
LVA2M
LVA2P
LVACKM
LVACKP
LVA3M
LVA3P
LVB0P
LVB1N
LVB1P
LVB2N
LVB2P
LVBCKN
LVBCKP
LVB3N
LVB3P
LVA0N
LVA0P
LVA1N
LVA1P
LVA2N
LVA2P
LVACKN
LVACKP
LVA3N
LVA3P
3
3
R465 390R 1/10W 11
AVDD_DVI
14
15
3
3
HDCP_DATA
HDCP_CLK
RXOCKIN-
RXOCKIN+
7
7
18
19
20
21
22
23
24
25
26
HSYNC1
VSYNC1
BIN1P
BIN1M
SOGIN1
GIN1P
GIN1M
RIN1P
RIN1M
RXOIN3-
RXOIN3+
RXEIN0-
RXEIN0+
RXEIN1-
RXEIN1+
RXEIN2-
RXEIN2+
RXECKIN-
RXECKIN+
RXEIN3-
RXEIN3+
7
7
7
7
7
7
7
7
7
7
27
28
29
30
31
32
33
36
37
38
39
40
35
3
3
3
B-
B+
G-
BIN0M
BIN0P
GIN0M
GIN0P
SOGIN0
RIN0M
RIN0P
HSYNC0
VSYNC0
RMID
7
7
3
G+
3
SOG
3
3
3
3
R-
R+
HS
VS
C458
0.1uF
REFP
REFM
GND
C459 0.1uF
MST9200A-LF
41
42
43
44
45
46
47
48
51
52
53
54
55
56
57
58
59
60
61
NC
NC
NC
NC
NC
NC
NC
NC
GPIO[5]
GPIO[4]
NC
NC
NC
NC
NC
NC
NC
153
152
151
150
149
148
147
146
145
144
143
142
141
138
137
136
135
134
133
101
100
99
98
97
96
95
94
93
92
91
90
89
88
85
84
83
82
81
MDATA[0..31]
5
DQS[0]
NC/MDATA[0]
NC/MDATA[1]
NC/MDATA[2]
NC/MDATA[3]
NC/MDATA[4]
NC/MDATA[5]
NC/MDATA[6]
NC/MDATA[7]
NC/MDATA[8]
NC/MDATA[9]
NC/MDATA[10]
NC/MDATA[11]
NC/MDATA[12]
NC/MDATA[13]
NC/MDATA[14]
NC/MDATA[15]
DQS[1]
MDATA0
MDATA1
MDATA2
MDATA3
MDATA4
MDATA5
MDATA6
MDATA7
MDATA8
MDATA9
MDATA10
MDATA11
MDATA12
MDATA13
MDATA14
MDATA15
R466 NC
C460
NC
NC
NC
HWRESET
INT
ALE R468
R467 100R 1/10W 5%
67
68
69
70
71
72
73
74
75
6
HWRESET
HWRESET
INT
ALE
RDZ
WRZ
DBUS[0]
DBUS[1]
DBUS[2]
DBUS[3]
6
6
6
INT
ALE
RD
560R 1/10W
560R 1/10W
560R 1/10W
RD
R469
WR R470
6
WR
AD0
AD1
AD2
AD3
DQM0
DQM1
DQM0
DQM1
5
5
DQM[0]
DQM[1]
DQS[2]
C461 C462 C463
NC
NC
NC
MDATA16
MDATA17
MDATA18
MDATA19
MDATA20
MDATA21
MDATA22
MDATA23
MDATA24
MDATA25
MDATA26
MDATA27
MDATA28
MDATA29
MDATA30
MDATA31
MDATA[16]
MDATA[17]
MDATA[18]
MDATA[19]
MDATA[20]
MDATA[21]
MDATA[22]
MDATA[23]
MDATA[24]
MDATA[25]
MDATA[26]
MDATA[27]
MDATA[28]
MDATA[29]
MDATA[30]
MDATA[31]
DQS[3]
6
AD[0..3]
65
66
GND
VDDP
VDDP
+3.3AVDD
R464
+3.3AVDD
MVref
4K7 1/10W 5%
AR[0..10]
5
AR0
AR1
AR2
AR3
AR4
AR5
AR6
AR7
AR8
AR9
AR10
6
AUDIO_MUTE
BKLT-PWM
R471
4K7 1/10W 5%
6
VOLUME
2
WE
CAS
RAS
5
5
5
REV:C
R723
22R 1/10W 5%
SBA0
MCLK
5
5
CKE
5
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+3.3V_SD
FB413
+3.3V_MC
+3.3V_MC
+3.3V_MQ
+3.3V_MC
+3.3V_MQ
1
2
2,4 +3.3V_SD
120 OHM
C465
0.1uF
C466
0.1uF
C467
0.1uF
C468
0.1uF
C469
0.1uF
C470
0.1uF
C471
0.1uF
C472
0.1uF
C473
0.1uF
C474
0.1uF
C475
0.1uF
C476
0.1uF
C464
22uF 16V
FB414
+3.3V_MQ
1
2
120 OHM
C477
22uF 16V
1M X 16bit =512K X 2Bank
1M X 16bit =512K X 2Bank
+3.3V_MQ +3.3V_MC
+3.3V_MQ
+3.3V_MQ +3.3V_MC
+3.3V_MQ
U404
U405
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
VDD
DQ0
DQ1
VSSQ
DQ2
DQ3
VDDQ
DQ4
DQ5
VSSQ
DQ6
DQ7
VDDQ
LDQM
WE#
CAS#
RAS#
CS#
A11
VSS
DQ15
DQ14
VSSQ
DQ13
DQ12
VDDQ
DQ11
DQ10
VSSQ
DQ9
DQ8
VDDQ
NC
UDQM
CLK
CKE
NC
A9
A8
VDD
DQ0
DQ1
VSSQ
DQ2
DQ3
VDDQ
DQ4
DQ5
VSSQ
DQ6
DQ7
VDDQ
LDQM
WE#
CAS#
RAS#
CS#
A11
VSS
DQ15
DQ14
VSSQ
DQ13
DQ12
VDDQ
DQ11
DQ10
VSSQ
DQ9
DQ8
VDDQ
NC
UDQM
CLK
CKE
NC
A9
A8
MDATA15
MDATA14
MDATA7
MDATA6
MDATA31
MDATA30
MDATA23
MDATA22
+3.3V_MC
MDATA13
MDATA12
MDATA5
MDATA4
MDATA29
MDATA28
MDATA21
MDATA20
+3.3V_MC
R473
MDATA11
MDATA10
MDATA3
MDATA2
MDATA27
MDATA26
MDATA19
MDATA18
R472
4K7 1/10W 5%
MDATA9
MDATA8
MDATA1
MDATA0
MDATA25
4K7 1/10W 5% MDATA24
MDATA17
MDATA16
REV:C
R474
R476
R480
REV:C
DQM0
47R 1/10W
47R 1/10W
47R 1/10W
DQM1
47R 1/10W
47R 1/10W
47R 1/10W
R477
WE
CAS
RAS
DQM0
MCLK0
CKE
WE
CAS
RAS
R475
R478
R481
DQM1
MCLK1
CKE
4
4
4
WE
CAS
RAS
22R 1/10W 5% MCLK
R479
22R 1/10W 5% MCLK
MCLK
4
SBA0
AR9
AR8
AR7
AR6
AR5
AR4
SBA0
AR10
AR0
AR1
AR2
AR3
AR9
AR8
AR7
AR6
AR5
AR4
4
SBA0
AR10
AR0
AR1
AR2
AR3
A10
A0
A1
A2
A3
VDD
A10
A0
A1
A2
A3
VDD
A7
A6
A5
A4
A7
A6
A5
A4
VSS
VSS
C478
NC
C479
NC
EM636165TS-6G
EM636165TS-6G
MDATA0
MDATA1
MDATA2
MDATA3
MDATA4
MDATA5
MDATA6
MDATA7
MDATA8
MDATA9
MDATA10
MDATA11
MDATA12
MDATA13
MDATA14
MDATA15
MDATA16
MDATA17
MDATA18
MDATA19
MDATA20
MDATA21
MDATA22
MDATA23
MDATA24
MDATA25
MDATA26
MDATA27
MDATA28
MDATA29
MDATA30
MDATA31
4
MDATA[0..31]
4
AR[0..10]
AR0
AR1
AR2
AR3
AR4
AR5
AR6
AR7
AR8
AR9
AR10
CKE
4
CKE
DQM0
DQM1
4
4
DQM0
DQM1
48
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VCPU
+5V
VCPU
R482
4K7 1/10W 5%
R483
0R05 1/10W 5%
R484
0R05 1/10W 5%
+5V
R485
R486
R487
4K7 1/10W 5%
4K7 1/10W 5%
4K7 1/10W 5%
VCPU
REV:C
NC CN403
U406
C481
0.1uF
R722
0R05 1/10W 5%
REV:C
3
1
2
RESET
1
2
3
4
5
VCCGND
HDCP_WP
VCPU
R489R490R491R492R493R494R495R496
R488
R497
R498
220R 1/10W
220R 1/10W
220R 1/10W
HWRESET
MSCL
MSDA
C482
3
HPD_CTRL
RESET
D427
UDZS5.6B
C480
NC
22uF 16V
MAX810STRG
C483
0.1uF
2
PS_ON/OFF
C484 22pF
VCPU
U407
AD0
AD1
AD2
AD3
CONN
27
21
2
3
4
5
7
8
9
43
P6.3
X1
P1.0/ET2
P1.1/DA0
P1.2/DA1
P1.3/DA2
HSYNC/P1.5
VSYNC/P1.6
P1.7/SOGI
P5.0
X402
AD[0..3]
4
C485
24mhz
10uF/10V
ALE
ALE
4
20
10
HDCP_SCL
HDCP_SDA
HWRESET
X2
C486 22pF
VCPU
HWRESET
4
RESET
NC
RST
VCPU
R499
23
34
25
26
28
29
30
31
LEFT_KEY
SOURCE_KEY
POWER_KEY
MENU_KEY
RIGHT_KEY
AUTO_KEY
P4.0/AD0
P4.1/AD1
P6.1
P6.2
P6.4
P6.5
P6.6
P6.7
R501
R500
R502
R503
R504
R505
4K7 1/10W 5%
4K7 1/10W 5%
4K7 1/10W 5%
4K7 1/10W 5%
4K7 1/10W 5%
VCPU
2
INT
14
17
15
16
4
INT
USB_CTRL
P3.2/INT0
ISCL/P7.5
P3.3/INT1
ISDA/P3.4
VCPU
2
10K 1/10W 5%
MSCL
MSDA
BKLT-EN
PANEL_EN
2
VCPU
42
41
6
40
39
38
37
36
3
3
DVI_CONNECT_MCU
VGA_CONNECT_MCU
2
P5.1
P5.2
P1.4/DA3
P5.3
P5.4
P5.5
P5.6
P5.7
R506
4K7 1/10W 5%
R507
R508
4K7 1/10W 5%
C487
LED_R
24
AUDIO_STDBY
P6.0/CLKO1
0.22uF
4K7 1/10W 5%
32
33
13
11
RD
WR
3
DDC_WP
RD
WR
4
4
P7.2/HCLAMP
P7.1/VBLANK
HSDA1/TXD/P3.1
U408
WP
1
2
3
4
8
R509
R512
R515
R517
R519
R724
4K7 1/10W 5%
4K7 1/10W 5%
4K7 1/10W 5%
4K7 1/10W 5%
4K7 1/10W 5%
4K7 1/10W 5%
R510
R513
22R 1/10W 5%
22R 1/10W 5%
VCPU
TX_SDA
RX_SCL
3
3
A0
A1
A2
GND
VCC
WP
SCL
SDA
7
6
5
R511
R514
R516
100R 1/10W 5%
100R 1/10W 5%
100R 1/10W 5%
WP
MSCL
MSDA
LED_G
HSCL1/RXD/P3.0
18
19
R518
R520
22R 1/10W 5%
22R 1/10W 5%
DVI_SDA
DVI_SCL
3
HSDA2/P7.4
HSCL2/P7.3
12
3
P4.3/AD3
M24C16
REV:C
MTV416GMV
+12V
+5V
+12V
2
+5V
+5V
FB415
1
NC
+5V 2,3
CN404
2
R523
R521
NC
R522
NC
FB416
NC
1
3
2
4
1
2
NC
R524
R525
NC
5
7
9
11
6
8
10
12
14
STANDBY
MUTE
NC
AUDIO_STDBY
AUDIO_MUTE
VOL
4
REV:C
NC
R526
R527
Q407
NC
OUT_L+
OUT_L-
OUT_R+
OUT_R-
C496
NC
VCPU
13
4
VOLUME
POWER ON POWER SAVING/OFF
C488
0.22uF
NC
C489
NC
AUDIO_MUTE
LOW
HI
HI
NC
U409
AUDIO
CONNECT
AUDIO_STDBY
LOW
1
2
3
4
8
7
6
5
A0
A1
A2
GND
VCC
WP
SCL
SDA
R528
R529
R530
100R 1/10W 5%
100R 1/10W 5%
100R 1/10W 5%
HDCP_WP
HDCP_SCL
HDCP_SDA
CAT24WC08W
For HDCP
CN405
1
2
3
4
5
6
VCPU
VCPU
R533R534R535
R536
R531
470R 1/10W 5%
R532
560R 1/10W 5%
CONN
KEY PAD
CONNECT
4K7 1/10W 5%
R542
LED_G
Q409
CN406
LED_R
R541
2N3906S-RTK/PS
Q408
4K7 1/10W 5%
4K7 1/10W 5%
2N3906S-RTK/PS
LED_GREEN
13
11
9
14
12
10
8
LED_ORANGE
AUTO_KEY
RIGHT_KEY
POWER_KEY
R543
R545
R547
220R 1/10W
220R 1/10W
220R 1/10W
R544
R546
R548
220R 1/10W
220R 1/10W
220R 1/10W
MENU_KEY
LEFT_KEY
SOURCE_KEY
7
5
3
1
6
4
2
REV:C
OUT_L+
OUT_L-
OUT_R+
OUT_R-
C495
C494 0.001uF
D430
UDZS5.6B
D429
UDZS5.6B
C490
C491 C492
0.001uF
0.001uF
C493
0.001uF
D428
UDZS5.6B
REV:C
D431
0.001uF
0.001uF
D432 D433
UDZS5.6B
UDZS5.6B
CONN
UDZS5.6B
49
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.
CN703
30
28
26
24
22
29
27
25
23
21
19
17
15
13
11
9
RXOIN3+
RXOIN3-
RXOCKIN+
RXOCKIN-
RXOIN2+
RXOIN2-
4 RXOIN3+
4 RXOIN3-
4 RXOCKIN+
4 RXOCKIN-
4 RXOIN2+
4 RXOIN2-
RXOIN0-
RXOIN1-
RXOIN2-
RXOC-
RXO3-
RXE0-
RXEIN1-
RXE2-
RXO0-
RXO1-
RXO2-
RXO0+
RXO1+
RXO2+
RXOIN0+
RXOIN1+
RXOIN2+
RXOCKIN- 20
RXOCKIN+ RXOC+
RXOIN3-
RXEIN0-
RXE1-
18
16
14
12
RXOIN3+
RXEIN0+
RXE1+
RXEIN2+
RXECKIN+
RXEIN3+
RXO3+
RXE0+
RXEIN1+
RXE2+
RXEC+
RXE3+
REV:C
LVDS INTERFACE
CONNECT
RXOIN1+
RXOIN1-
4 RXOIN1+
4 RXOIN1-
RXEIN2-
RXEC-
RXE3-
RXECKIN- 10
RXOIN0+
RXOIN0-
RXEIN3+
RXEIN3-
RXECKIN+
RXECKIN-
RXEIN3-
8
6
4
2
7
5
3
1
4 RXOIN0+
4 RXOIN0-
4 RXEIN3+
4 RXEIN3-
4 RXECKIN+
4 RXECKIN-
REV:C
RXEIN2+
RXEIN2-
RXEIN1+
RXEIN1-
RXEIN0+
RXEIN0-
CONN
4 RXEIN2+
4 RXEIN2-
4 RXEIN1+
4 RXEIN1-
4 RXEIN0+
4 RXEIN0-
+VLCD
FB702
1
2
+VLCD 2
120 OHM
REV:C
R720
220R 1/4W
R721
220R 1/4W
C726
0.1uF
+
C725
22uF/16V
50
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Adapter board
R970
100Ω 1/4W
B+
R9105
100KOHM 1/4W
R9106
100KOHM 1/4W
R971
100Ω 1/4W
C963
C930
2200pF
Wire Harness
0.001uF
+24V
C937
2200pF
R9107
100KOHM 1/4W
T901
POWER X'FMR
D954
NC
1
2
3
4
5
6
7
8
9
ON/OFF
DIM
D909
US1M
6
7
8
D953
YG868C15R
2
F902
L952
R9108
100KOHM 1/4W
2
3.3uH
4
2
9
10
FUSE
T5A 250VAC
10
11
12
+
C964
1000uF/35V
+
C965
1000uF/35V
+
C966
470uF/35V
12
11
C967
0.1uF
C970
0.1uF
VCC2
R942
1
56K 1/8W
IC903
NCP1377BDR2G
CN902
1
8
Dmg HV
FB
CS Vcc
GND Drv
2
3
4
R944
10R 1/8W
6
5
Q905
FQPF8N80C
C931
NC
R943
NC
D910
LL4148
C932
47uF/50V
+
R945
10K 1/8W
Wire Harness
R972
1.2KΩ 1/4W
R947
1
2
3
4
5
PS_ON
5V
470R 1/8W
R9461
R9462
R9463
1/4W
R9464
2.2 1/4W
C933
220PF/25V
2.2
1/4W 2.2 1/4W 2.2
6
7
R973
1.2KΩ 1/4W
8
9
10
11
12
13
14
12V
R977
20KΩ 1% 1/8W
R974
1K 1/4W
CN903
C971
0.1uF
IC955
PC123X2YFZOF
NC
C972
R975
C968
R976
C934
1000PF 50V
10K 1/8W
0.1uF/25V
1K 1/4W
R978
75KΩ 1% 1/8W
R979
2.4KΩ 1% 1/8W
IC954
AP431VLA
51
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R950
100Ω 1/4W
C951
B+
R901
680KΩ 1/4W
R951
100Ω 1/4W
0.001uF
BD901
D950
MBRF10100CT
In SVT Add it
Improve EMI
L903
120uH
D901
FMX-G26S
R905
L950
R902
680KΩ 1/4W
T902
POWER X'FMR
400V
+
+12V
12.0mH
L902
-
4
1
1
2
2
L904
0.1 ohm
3.5uH
+
C914
C923
2200pF
ZD951
PFC CHOKE
C929
10nF
C954
120uF/450V
KBJ608G
C911
1uF/450V
C912
1uF
C913
10nF
7
8
9
+
+
C950
470uF/25V
C969
R965
R903
680KΩ 1/4W
2200pF
C935
R952
100Ω 1/4W
RLZ12B
C953
1000uF/25V
0.1uF
3
6
10
11
R953
0.001uF
R948
R908 220KΩ 1/8W
R909 15KΩ 1/8W
C922
D906
US1M
12
100Ω 1/4W
COMP BNO
0.01uF
C904
470pF/250V
C903
470pF/250V
R914
1K 1/4W
5
D904
D903
LL4148
STW20NM60
680K 1/4W
+5V1
Q901
1
LL4148
IC902
LD7522PS
680K 1/4W
L951
C902
0.22uF/275V
R912
10R 1/8W
R913
470R 1/8W
1
2
3
4
8
7
6
5
R927
22R 1/8W
2
+5V
BNO
COMP VCC
(-)LATCH OUT
CS
OVP
R915
Q902
FQPF8N80C
3.5uH
5
4
3
2
1
D951
FME-220A
ZCD
6
CS
GND MOT
OUT COMP
C955
1000uF/16V
+
C956
1000uF/16V
+
C957
+
GND
7
8
R9103
C961
0.1uF
R928
10K 1/8W
470uF/16V
VCC
INV
C915
56pF
1R 1/14RW1/14RW1/14RW1/4W
IC901
FAN7529MX
R9116 R9104 R9115 R9102
NC
R930
51K 1/8W
L901
10.0mH
R929
470R 1/8W
Vcc1
C921
220pF
R9113
1R 1/4W
R9114
1R 1/4W
C920
+5V1
+24V
0.01uF
R907
56KΩ 1/8W
C918
C916
NC
R911
10K 1/8W
R918
NC
COMP
C901
0.47uF/275V
C910
0.047uF
1000PF 50V
C919
0.33uF/50V
R932
10K 1/8W
R964
470R 1/8W
ZD950
RLZ27B
RV901
D905
LL4148
D907
US1D
R933
4.7Ω 1/4W
R924
R925
R926
R954
1K 1/4W
Varistor
NR901
NTCR
IC950
PC123X2YFZOF
150KΩ 1/4W
150KΩ 1/4W
150KΩ 1/4W
+
C925
10uF/50V
D952
LL4148
C924
+
C926
47uF/50V
0.1uF 50V
R919
1M
+12V
+5V
C909
0.001uF/250V
C908
0.001uF/250V
1/4W
C958
0.1uF
F901
FUSE
C959
R957
0.1uF
R955
47Ω 1/4W
Vcc1
R959
CN901
2
R958
R920
1M
10K 1/8W
1
1/4W
1/4W
R934
4.7Ω 1/4W
Q950
2N3904S-RTK/PS
Q904
2N3904S-RTK/PS
Q903
PMBS3906
Vcc2
IC953
AZ431AZ-AE1
D908
US1D
SOCKET
R921
1M
R960
200KΩ 1/8W
R961
2.4KΩ 1% 1/8W
R956
62KΩ 1/8W
R936
1K 1/4W
C960
0.1uF/25V
D902
R937
1K 1/4W
BNO
C905
0.001uF/250V
+
C936
47uF/50V
+
C927
47uF/50V
LL4148
R922
240KΩ 1% 1/8W
R923
150K 1/8W
R935
10K 1/8W
C907
1uF
C906
2200PF/250V
+5V
R962
C928
0.001uF/250V
1K 1/4W
IC951
PC123X2YFZOF
THE PIN ADDED FERRITE BEAD
THE SOLUTION FOR EMI
Q951
2N3904S-RTK/PS
PS_ON
ZD901
RLZ15B
R963
10K 1/8W
C962
0.1uF/25V
52
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Inverter board
F801 FUSE 5A 125V
+
ZD801
RLZ5.6B
2
R802
C801
220uF/35V
C802
1uF
VIN
D820
Q802
SM340A
5
F802
0 OHM +-5% 1/4W
100 OHM 1/8W
1
CN801
D801
1
R804
10KOHM 1/8W
2
4
G
S
G
S
D
6
1
2
SCS140V
C803 0.047uF
3
2
1
+
D
7
R805
C804
470uF 35V
C805
1uF
D
8
3
4
5
6
7
8
9
100 OHM 1/8W
OVP (Over Voltage Protation)
D
ENA
Q801
24V
2
1
FDS4897C
DRV1
VIN
R808
C807
SCS140V
D802
D821 SM340A
R801
300K 1/10W
R809
10K 1/8W
ZD802
RLZ5.6B
2
47 OHM 1/4W
RK7002
Vo2
1uF50V
100 OHM 1/8W
R810
D822
Q804
SM340ATA
5
10
11
12
1
R812
R803
120K 1/8W
Q805
D803
1
4
R813
10KOHM 1/8W
G
S
G
S
D
6
300KOHM +-5% 1/10W
2
3
2
1
Q803
D
7
SCS140V
C809 0.047uF
SST2222A
D
8
U801A
1
2
3
-
+
R814
RK7002
D
Q806
100 OHM 1/8W
1
CONN
ON/OFF
R815
10KOHM 1/10W
FDS4897C
+5V
R807
20K 1/10W
MMBT3904
C811
BA10393F
C810
144WN3/S
2
R806
10K 1/10W
DRV2
C806
10NF 25V
Q807
ON/OFF
0.022uF
0.022uF
+5V
D804 SCS140V
D823
SM340A
TB
F804
0 OHM +-5% 1/4W
C812
R865
NC
0.1uF/25V
C808
10NF 25V
R811
34KOHM +-1% 1/10W
R816
ZD804
RLZ5.6B
2
D824
Q808
SM340A
5
100 OHM +-5% 1/8W
R859
D816
10KOHM 1/10W
C815
2.2uF/25V
1
R858
10KOHM +-5% 1/8W
1
2
4
R817
G
S
G
S
D
6
1
SCS140V
3
2
1
+
C813
220uF/35V
+
C838
220uF/35V
D
7
D805
AZ431AN
C836 0.047uF
R860
27K 1/10W
D
8
100 OHM +-5% 1/8W
C814
1uF
D
R822
27K 1/10W
2
1
FDS4897C
DRV1
D817
SCS140V
D825
SM340A
D826
ZD805
RLZ5.6B
TC
100 OHM +-5% 1/8W
2
1
R862
D818
Q809 SM340A
5
+5V
R861
10KOHM +-5% 1/8W
1
2
4
3
2
1
G
S
G
S
D
D
D
D
OVPT
SCS140V
6
7
8
FS
R823
10K 1/8W 5%
R827
NC
C837 0.047uF
R863
100 OHM +-5% 1/8W
2
1
R818
R820
1M 1/8W
DRV2
D819 SCS140V
FDS4897C
R832
10KOHM 1/8W
R819
5.1K 1/4W
10K 1/8W
DRV1
R828
1M 1/4W
R830
R829
1 MOHM +-5% 1/10W
SM340A
D827
1
2
3
4
5
6
7
8
16
R831
DRV1 PGND
VDDA DRV2
TIMER GNDA
0.27V
5
6
U801B
15
14
13
12
11
10
9
71.5KOHM+-1% 1/8W
TD
R824
3.3M OHM 1/14W
+
-
DRV2
7
Q810
MMBT3904
10K 1/8W
DIM
CT
R825
100K 1/10W
1V
BA10393F
ZD803
SST
ISEN SSTCMP
C817
10NF 25V
C818
VSEN
OVPT
NC1
LCT
ENA
NC2
RLZ5.1B
R826
300K 1/10W
R836
10NF 25V
10KOHM +-5% 1/10W
R864
C826
NC
C825
270pF50V
R838
IC801 OZ9938GN
ENA
680KOHM +-5% 1/10W
C821
2.2uF/25V
C824
0.047uF
C822
10NF 25V
10KOHM 1/8W
C823
R835
NC
C819
0.001uF
C820
C828
R839
0.047UF
560K +-5% 1/10W
+5V
1 MOHM +-5% 1/10W
R833
100K 1/8W
C827
2.2uF/25V
0.022uF
R834
10K 1/10W
SST
OVPT
2
R837
56K 1/4W
Q811
MMBT3904
3
IS
R842
R843
Q812
MMBT3906
D808
LL4148
442 OHM +-1% 1/10W
NC
1
R841
1KOHM +-5% 1/4W
D807
BAV99
R840
Q813
MMBT3904
5.1K 1/8W
OLP+
+5V
R844
1KOHM +-5% 1/10W
R845
51KOHM +-5% 1/8W
OLP+
P1
P2
P3
P4
P5
R850
510 1/10W
P6
JP801
0 OHM +-5% 1/10W
D809
LL4148
R847
510 1/10W
R848
510 1/10W
R846
510 1/10W
R849
510 1/8W
R851
510 1/10W
R853
510 1/10W
R855
510 1/8W
D815
LL4148
R857
R852
510 OHM +-5% 1/10W
R854
510 1/10W
100 1/10W
R856
510 1/10W
FS
53
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C829 2U2 25V
C831 2U2 25V
C833 2U2 25V
C830 2U2 25V
C832 2U2 25V
C834 2U2 25V
TA
TC
TD
TB
PT801
X'FMR 564uH
PT802
X'FMR 564uH
PT803
X'FMR 564uH
PT804
X'FMR 564uH
PT805
X'FMR 564uH
PT806
X'FMR 564uH
PT807
X'FMR 564uH
PT808
X'FMR 564uH
P6
IS
P4
CN802
CONN
CN803
CONN
CN804
CONN
CN805
CONN
PT809
X'FMR 564uH
PT810
X'FMR 564uH
PT811
X'FMR 564uH
PT812
X'FMR 564uH
P3
P1
CN806
CONN
CN807
CONN
P2
P5
54
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Key board
ZD001
2
UDZSNP5.6B
1
add ZD001 and ZD002 for ESD solution
LED001
LED
4
3
2
1
2
1
CN001
ZD002
UDZSNP5.6B
1
2
3
4
5
6
LBADC1
LBADC2
POWER_Key
LED_BLUE#
LED_RED#
R001
R002
2K OHM 1/16W
2K OHM 1/16W
LED_BLUE#
LED_RED#
C001
NC
C002 C003
C004
NC
C005
NC
NC
NC
CONN
R003
1K 1/16W 5%
MENU
LBADC1
VOL- (GND) 0 V
VOL+
LBADC2
1
3
5
7
9
11
AUTO
SW001
JB41-03521
ECOLOR(GND) 0 V
2
4
6
8
10
12
CN001
CONNECTOR ECOLOR AUTO MENU
VOL-
VOL+
POWER LED
55
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USB board
U708
USB2514-AEZG
Upstream
R729
0R05 1/10W 5%
VBUS1
DM0
DP0
R719
30
31
USBUP_DM
USB5V
VBUS0
100K 1/10W 5%
27
13
L707
NC
1
VBUS_DET
CN707
DM1
DP1
2
3
CN706
CONNNECTOR
USBUP_DP
C769
1uF/16V
5
6
4
R731
0R05 1/10W 5%
F701
PTCR
Dow nstream 1
1
DM1
DP1
CONNNECTOR
VBUS3
R733
0R05 1/10W 5%
9
11
USBDN1_DM
USBDN1_DP
PRTPWR1
5 6 7 8
VBUS1
FB720
t
2
DM3
DP3
2
3
L705 NC
1
4
OCS1
OCS2
OCS3
OCS4
VBUS1A 1
2
R735
0R05 1/10W 5%
10
12
1 2 3 4
12
/OC1
120 OHM
R732
0R05 1/10W 5%
R721
10K 1/10W 5%
L708 NC
C770
0.1uF16V
DM2
DP2
2
3
1
CN708
+
C772
100uF/16V
Dow nstream 2
5
6
4
/OC1
3
DM2
DP2
USBDN2_DM
USBDN2_DP
PRTPWR2
R738
0R05 1/10W 5%
/OC2
/OC3
/OC4
17
19
21
4
VBUS2
R737
0R05 1/10W 5%
CONNNECTOR
VBUS4
R725
15K 1/10W 5%
16
L706 NC
DM4
DP4
2
3
1
4
Dow nstream 3
USB5V
6
DM3
DP3
USBDN3_DM
USBDN3_DP
PRTPWR3
USB5V
R739
0R05 1/10W 5%
USB5V
7
18
F702
PTCR
VBUS2
2
FB721
F703
PTCR
F704
PTCR
t
FB722
FB723
120 OHM
VBUS3
VBUS4
VBUS2A
1
120 OHM
Dow nstream 4
t
t
VCC3.3V
120 OHM
VBUS4A
8
DM4
DP4
VBUS3A 1
2
1
2
USBDN4_DM
USBDN4_DP
PRTPWR4
R722
10K 1/10W 5%
+
C773
0.1uF16V
C771
9
C775
0.1uF16V
C777
0.1uF16V
C776
100uF/16V
R723
10K 1/10W 5%
+
R724
+
20
100uF/16V
C774
10K 1/10W 5%
/OC4
/OC2
100uF/16V
U711
NC/M24C02-WMN6TP
/OC3
R726
15K 1/10W 5%
EEPROM/Conf ig
VCC3.3V
8
7
6
5
1
2
3
4
VCC
WP
SCL
SDA
A0
A1
A2
22
24
25
SDA/SMBDATA/NON_REM1
SCL/SMBCLK/CFG_SEL0
HS_IND/CFG_SEL1
R727
15K 1/10W 5%
R728
15K 1/10W 5%
R740
GND
100K 1/10W 5%
26
35
C7101
0.1uF16V
Common
RBIAS
RESET
C721
0.1uF16V
3K9 1/10W
Power
US B
C782
0.1uF16V
FB724
120 OHM
USB5V
R743
L711
22uH
U709 AP1510SA
5
+12V
+5V
1
2
4
3
2
1
VCC OUTPUT
6
OCSET OUTPUT
7
28
11
LOCAL_PWR/NON_REM0/SUSP_IND
VDD33
EN
FB
VSS
VSS
23
15
C779
1uF/25V
+
8
D702
C723
R753
100K 1/10W 5%
C778
SSM54PT 1000PF50V
VCC3.3V
470uF/16V
R755
C783
0.1uF16V
+
C722
VDD33CR
CN709
TEST
0.1uF16V
C791
0.1uF16V
C792
0.1uF16V
5
4
3
2
1
10K 1/10W 5%
5
VDDA33
VDDA33
VDDA33
USB_CTRL
10
29
36
Q711
NC/AO4411
1
R745
10R 1/10W 5%
R751
1K5 1/10W 1%
C798 18P 50V
33
8
7
6
5
XTAL1/CLKIN
VDDA33/VDD33PLL
S
S
S
G
D
D
D
D
2
3
4
FB725 NC
C787
C788
0.1uF16V
C789
0.1uF16V
C790
0.1uF16V
0.1uF16V
1
2
R762
X701
CONN
1M 1/10W 5%
24.000MHz
R747
NC/33K 1/10W 5%
14
34
R767
NC/22K 1/10W
Q713
NC/PMBS3904
VDD18
32
37
C799
0.1uF16V
C7100
1uF/16V
XTAL2/CLKIN_EN
VSS(FLAG)
C7102 18P 50V
VBUS0
R752
Q712
22K 1/10W
VDDA18PLL
RK7002
VBUS0
CN704
C7103
0.1uF16V
C7104
1uF/16V
R758
0R05 1/10W 5%
1
2
3
4
DM0
DP0
2
3
L712 NC
1
4
R761
C797
10N 50V
0R05 1/10W 5%
CONNNECTOR
Power Regulator
VCC3.3V
USB5V
U710
VIN
AP1117E33LA
3
2
VOUT
C793
100uF/16V
+
+
C795
C796
0.1uF16V
22uF/16V
TO Main Board
56
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