R
FILE NO.
Service Manual
DVD Player
(SS)
(SS)
DVD-9201
DVD-9501
/
ON
LAST MEMO OPEN/CLOSE
ON SCREEN PICTURE MODE
ZOOM
(KR)
(US)
(CA)
TV POWER
TV/VIDEO
TV CH+
TV CH-
TV VOL+
TV VOL-
DVD-9501KR
DVD-9501PR
DVD-9501PR
SUBTITLE
AUDIO
ENTER
REV
SLOW
T
FWD
SLOW
1
4
7
2
5
8
3
6
9
0
+10
PROGRAM
MULTI-VISION
REPEAT
CLEAR
SEARCH MODE
SURROUND
A-B REPEAT
z
/ON
STANDBY
ANGLE
ANGLE REPLAY
REMOTE CONTROL REM-9201MT
9501PR
/
ON
LAST MEMO OPEN/CLOSE
ON SCREEN PICTURE MODE
ZOOM
SUBTITLE
AUDIO
PRODUCT CODE No.
137 108 04 9201(SS)
137 109 04 9501(SS)
137 109 06 9501KR(KR)
137 108 05 9501PR(US)
137 108 06 9501PR(CA)
ENTER
REV
SLOW
T
N
FWD
SLOW
U
E
1
4
7
2
5
8
3
6
9
0
+10
CLEAR
PROGRAM
MULTI-VISION
REPEAT
SEARCH MODE
SURROUND
VOCAL
A-B REPEAT
1–MIC–2
MIC VOL
ANGLE
ANGLE REPLAY
ECHO
z
/ON
STANDBY
KEY
REMOTE CONTROLLER RB-9201K
9201,9501,9501KR
CONTENTS
Specifications ................................................................... 1
Laser beam safety precaution.......................................... 1
DVD Mechanism replacement ......................................... 2
Mechanism replacement .................................................. 3
Mechanism operation....................................................... 4
DVD P.W.Board operation ............................................... 5
DVD start-up program flow chart ..................................... 28
MPEG and FRONT END
Wiring diagram (MPEG A SIDE for 9201) ........................ 78
Wiring diagram (MPEG B SIDE for 9201) ........................ 80
Schematic diagram (DG FRONT for 9201) ...................... 82
Schematic diagram (DG FRONT for 9501) ...................... 84
Schematic diagram (DG FRONT for 9501PR) ................. 86
Schematic diagram (DG FRONT for 9501KR) ................. 88
Wiring diagram (FRONT for 9201, 9501, 9501KR) .......... 90
Wiring diagram (FRONT for 9501PR) .............................. 92
Wiring diagram
P.W.Board operation (block diagram) ............................ 30
MPEG P.W.Board (schematic diagram for wave check) . 32
AMP P.W.Board (schematic diagram fir wave check) ..... 34
MPEG and FRONT P.W.Board check waveform............. 36
How to load software for MPEG P.W.Board .................... 41
Trouble shooting .............................................................. 42
Voltage of IC and Transistor ............................................ 45
Exploded view (cabinet and chassis) ............................... 49
Parts list ........................................................................... 50
Exploded view & Parts list (DVD mechanism) ................. 55
IC block diagram and description ..................................... 56
Schematic diagram (MPEG for 9501PR) ......................... 64
Wiring diagram (MPEG A SIDE for 9501PR) ................... 66
Wiring diagram (MPEG B SIDE for 9501PR) ................... 68
Schematic diagram (MPEG for 9501KR, 9501) ............... 70
Wiring diagram (MPEG A SIDE for 9501KR, 9501) ......... 72
Wiring diagram (MPEG B SIDE for 9501KR, 9501) ......... 74
Schematic diagram (MPEG for 9201) .............................. 76
(DG,SOCKET for 9501KR and
POWER SW for 9501KR, 9201 and 9501) .................. 94
Wiring diagram
(DG,SOCKET for 9201/SS and
POWER SW for 9501PR) ............................................ 96
Wiring diagram
(DG,SOCKET for 9501/SS and
MIC for 9501KR, 9201 and 9501) ................................ 98
Wiring diagram
(DG,SOCKET for 9501PR and
MECHA-M and MECHA-SW) ....................................... 100
Schematic diagram (DVD) ............................................... 102
Wiring diagram (DVD A SIDE) ......................................... 112
Wiring diagram (DVD B SIDE) ......................................... 113
Wiring connection ........................................................... 114
IC block diagram and description ..................................... rear
REFERENCE No. SM5810237
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DVD MECHANISM REPLACEMENT
1.Cautionary instructions in handling the assy
(Safety instructions)
Optical pickup
(Connectors)
Do not connect or disconnect while power is on.
The laser beam used in the pickup is classified as "class 2". Exposing Connecting or disconnecting signal wires or the main power cord
your eyes or skin to the beam is harmful. Take care not to do so. when the power is on may destruct the unit or fixture.
When connecting, push all the way in securely.
(Caution against static electricity and leakage voltage)
An insufficient insertion may cause a bad contact, leading to an
Ground securely the work tables, tools, fixtures, soldering irons erroneous operation.
(including those made of ceramic) and measuring instruments used Do not connect or disconnect roughly by an excessively strong force,
in the production lines and inspection departments that handle or a broken wire or bad contact may result.
loaders. The workers shall also be grounded.
Semiconductors are connected. Do not touch connector terminals
directly.
(Cautionary instructions in handling)
If the worker is grounded, there is nothing to worry about static
Do not touch the object lens when handling a loader, or the lens will electricity, but the rust on the connector terminal surface caused by
be stained, resulting in inadequate playability.
the touch may result in bad contact.
There is no power supply protection circuit provided for this product
or adjustment/inspection device. Short-circuiting may lead to fire or (Power source)
damage.
The power source need be good in quality (free from instantaneous
Take care so as to protect from exposure to water, the entry of interruptions or noises).
metallic pieces or dew condensation.
A low quality power source may well cause malfunction.
In particular, a strong magnet adjacent to the pickup will not only
get inoperative but can damage the pickup if a small metallic piece, (Storage)
such as a screw or swarm, enters.
The loader edge can cause injury if inadvertently handled.
Do not touch a rotating disk, or injury may result.
Do not place or store in a dusty place or a place where dew
condensation is possible.
The entry and deposition of dirt or dust into or on the pickup lens or
moving section will cause malfunction or degradation.
Also, dew condensation causes rust;the rust penetrate into the
This product is a precision device. Handle carefully.
A shock or dropping will cause misalignment or destruction. If it precision part of a pickup, causing malfunction, or degrading the
should occur, refer to clause 2. optical quality of the internal lens and reflector, which also leads to
This product is so designed as to endure an initial shock equivalent malfunction.
to a drop from a height of approx. 90 cm under the packed condition.
After the initial shock, the resistivity will still remain at a level of 50
to 60 G, but the mechanical robustness will weaken.
Do not place in a dusty location.
The entry and deposition of dirt into or on the pickup lens or moving
section will cause malfunction or degradation.
- 2 -
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MECHANISM REPLACEMENT
1. TRAY AND BASE MECHANISM PART
2. Base mechanism mounting PART
MOLYKOTE
SILICON GREASE
EM-50L
KS-64
MOLYKOTE
EM-50L
MOLYKOTE
EM-50L
FLOIL OIL
G-474B
MOLYKOTE
EM-50L
4. BASE MECHANISM PART
3. TRAY PART
GREASE
CDF-409
FLOIL OIL
G-2000B
GREASE
CDF-409
MOLYKOTE
EM-50L
FLOIL OIL
G-2000B
Do not remove the pick-up from base mechanism because of
adjustment difficulty.
- 3 -
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MECHANISM OPERATION
3. Match the mark of GEAR 2 and mark of GEAR 3 ,
and then install the BOSS.
1.How to setting the tray.
1. Move the SLIDE left side.
4. Turn the GEAR 1 counterclockwise, and then SLIDE
move right side.
2. Match the Hole of GEAR 5 and Hole of CHASSIS 4 .
5. The GEAR 1 move from side to side.
LARGE TOOTH
GREASE
EM-50L
RIB
3
RIB
2
CHASSIS HOLE
4
2
GEAR HOLE
5
GREASE
EM-50L
MARKER
1
3
CHASSIS
FRONT SIDE
MARKER
GREASE
EM-50L
MOTOR
6. Match the hole of GEAR 7 and hole of chassis while turning
GEAR 6 .
7. Match the mark of LOADING GEAR 8 and gear of TRAY
where see horn hole 9 of tray.
8. Push a tray with the state that turned the entire surface of a
tray into approximately 5 degrees the lower part slowly.
7
HOLE
6
8
MARKER
MARKER LOARDING
GEAR
9
TRAY
- 4 -
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DVD P.W.BOARD OPERATION
1. General operation diagram (This is a basic general operation diagram)
The circuit mounted on the Loader part (Frontend Board) is configured as shown , which is divided into following blocks according to main ICs.
PICK-UP;SF-HD6
VREF
JVAD
DSP
RF AMP
PH 6P
9V
JV
DVD/CD
PD
(actuator)
(motor)
IC201
A
B
C
D
E
F
T224162B
RFOP,RFON,PH,TE,ADBH
ADBH
MD
LD
5V
(analog)
DRAM
16.934MHZ
BH
IC900 5Vd
3.3V
(FOR DSP) BA033(digital)
FFC 26P
TOST,FOST,BST,VCA
TBAL,FBAL,SGC
REGULATOR
IC200
LC78661W
DACK
IC100
LA9702
DREQ
DEFECTI
DEF
DCLK,DBGN,DERR
SDT[O;7]
DEF_INH
VR-CD
MD
LD
DEFECTO
XHTR
VR-DVD
EMPH,C2F,LRCK,BCK,CD_DATA,SPDIF
MD
16MHZ
LD-CD
FFC 16P
VD
5Vd
FE
IC504
TC7SHU04FU
CAO
HFM
CAN
High-
frequency
circuit
LD
D
LASER
DIODE
FE
IC101
BU4066
INVERTER
LDON1,LDON2
RFSCT,EQSCT
PP/TE,DPD/TE
GND-LD
CD x2
CD x4
ANALOG SWITCH
F-
F+
T-
FOCUS
ACTUATOR
IC550
LE28C1001
TO BACK-END
BLOCK
TRACKING
T+
FLASH MEMORY
4-CH BTL DRIVER
9V
IC601
BA5937
FDD
TDD
SLD
SLED
M
MOTOR
OPEN/
CLOSE
LIMIT
DMUTE2
RXD,SCLK
SWITCH
HD_INT,TXD,RDY_HIF
OPEN/CLOSE
SWITCH
3-PHASE MOTOR DRIVER
9V
LOADING
MOTOR
M
IC500
M37903S4CHP
U+,U-
V+,V-
W+,W-
SPD
FG
SPINDLE
MOTOR
IC602
BA6849
RESET
HRST
IC502
M51953
HALL
FR
U,V,W
RESET
DMUTE
16MHZ
MICRO COMPUTER
- 5 -
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DVD P.W.BOARD OPERATION
2. Circuit configuration inside IC100(LA9702W) and IC200(LC78660W)
(This is a basic circuit configuration.)
- 6 -
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DVD P.W.BOARD OPERATION
3. Table of monitor signals (This is a basic table of monitor signals)
A. Reference table for waveform are listed as below.
Name
FE
TE
RFN
RFP
BH
PH
DEF
LD1
TP label IC, CN Location
Pin no.
25
30
40
41
42
44
46
E
Description
Focus Error Signal(Analog)
Trk Error Signal(Analog)
RF Signal(Analog)
TP101
TP102
TP104
TP105
TP106
TP107
TP230
TP122
TP124
TP201
TP204
TP206
IC100
IC100
IC100
IC100
IC100
IC100
IC100
Q1004
Q1005
IC200
IC200
IC200
RF Signal(Analog)
Bottom Hold Signal(Analog)
Peak Hold Signal(Analog)
High : When passing defection
DVD Laser Power Supply(Analog)
CD Laser Power Supply(analog)
TES(Track crossing signal)
MIRROR Slice Bias(Analog)
MIRROR signal
LD2
E
2
28
44
TESI0
HFLBIAS
HFLIO
High : Sync synchronised
LO : Async
FSEQ
TP211
IC200
84
EFMOUT
DEFECT0
TOST
TP226
TP229
TP246
TP247
TP248
TP249
TP250
TP251
TP252
IC200
IC200
IC200
IC200
IC200
IC200
IC200
IC200
IC200
134
201
29
30
31
32
33
34
35
RF Digitized signal
High : When passing defection
Trk Offset Control(analog)
Focus Offset Control(analog)
RF EQ Control(analog)
RF Voltage Control(analog)
Trk Balance Control(analog)
Fcs Balance Control(analog)
Signal Gain Control(anlog)
FOST
BOOST3T
RFVCA
TBAL
FBAL
SGC
Function Busy Low during jump,
adjustment so on.
HFBUSYB
TP254
IC200
50
JVAO
TD
FD
SPD-FG
W
TP257
TP601
TP602
TP604
TP621
TP620
TP611
TP619
TP618
TP617
TP616
TP615
TP614
TP513
TP612
TP607
TP608
------
IC200
IC200
IC200
IC602
------
------
------
------
------
------
------
------
------
------
------
IC200
IC200
IC601
IC601
CN600
CN600
CN500
IC502
IC100
154
38
39
Jitters value(analog)
Trk Driver out(analog)
Focus Driver out(analog)
Spindle FG signal
24
------
------
------
------
------
------
------
------
------
------
------
36
37
16
15
5
3
2
6
V
U
H+
U+
U-
V+
V-
W+
Spindle Coil Voltage
Spindle Hall Voltage
W-
H-
SLD
SPD
OPEN
CLOSE
OPEN-SW
CLOSE-SW
HRST
RESET
VREF
Sled Driver out(analog)
Spindle Driver out(analog)
TRAY control signal
TRAY control signal
TRAY Limit SW
TRAY Limit SW
RESET from Backend
RESET to Micom
------
TP627
TP626
TP700
------
------
27, 79 Reference Voltage(2.5V)
- 7 -
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DVD P.W.BOARD OPERATION(SCHEMATIC DIAGRAM FOR SIGNAL CHECK)
(This is a basic schematic diagram and signal check.)
Top left zoon , There is the drawing which zoomed to 10,11 page.
Top right zoon , There is the drawing which zoomed to 12,13 page.
Bottom left zoon , There is the drawing which zoomed to 14,15 page.
Bottom right zoon , There is the drawing which zoomed to 16,17 page.
- 8 -
- 9 -
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DVD P.W.BOARD OPERATION(SCHEMATIC DIAGRAM FOR SIGNAL CHECK for top left)
(This is a basic schematic diagram and signal check.)
- 10 -
- 11 -
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DVD P.W.BOARD OPERATION(SCHEMATIC DIAGRAM FOR SIGNAL CHECK for top right)
(This is a basic schematic diagram and signal check.)
- 12 -
- 13 -
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DVD P.W.BOARD OPERATION(SCHEMATIC DIAGRAM FOR SIGNAL CHECK for bottom left)
(This is a basic schematic diagram and signal check.)
- 14 -
- 15 -
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DVD P.W.BOARD OPERATION(SCHEMATIC DIAGRAM FOR SIGNAL CHECK for bottom right)
(This is a basic schematic diagram and signal check.)
- 16 -
- 17 -
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DVD P.W.BOARD OPERATION(WIRING DIAGRAM FOR SIGNAL CHECK)
A. A side (This is a basic wiring diagram and signal check.)
- 18 -
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DVD P.W.BOARD OPERATION(WIRING DIAGRAM FOR SIGNAL CHECK)
B. B side (This is a basic wiring diagram and signal check.)
- 19 -
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DVD P.W.BOARD OPERATION(SIGNAL)
(This is a basic signal.)
1. RF and Defection Signal
Each signal shown refers to WIRING ,SCHEMATIC DIAGRAM and Table of monitor signals.
A. RF Signal during play mode.
RF
RF
RF of DVD disc
RF of CD disc
B. Defection Signal (Detection of level down signal)
RF
RF
PH
PH
BH
BH
DEFECT
DEFECT
Interruption defect
Scratched defect
2. Servo and Tray Control
A. S-Curve signal by Focus search
RF
RF
FDO
FDO
FE
FE
Zero cross point
S-Curve of DVD Single Layed disc
S-Curve of DVD Dual Layed disc
- 20 -
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DVD P.W.BOARD OPERATION(SIGNAL)
B. Focus In and Focus Jump
RF
RF
FDO
FDO
Kick pulse
Brake pulse
Zero cross point
FE
FE
Cross point
Focus In
Focus Jump
C. Tracking Servo
a. TE (Tracking Error) Signal.
RF
TE
TE Curve
b. Track Jump Signal
42 Track Jump Out -> In
One Track Jump
- 21 -
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DVD P.W.BOARD OPERATION(SIGNAL)
D. Sled Servo (Sled motor drive signal)
RF
TE
RF
TE
Zoom
SLDO
SLDO
E. Spindle Servo (Spindle motor drive signal)
U
U
V
U+
FG
W
SPD
Spindle (W, W+, FG)
Spindle Drive (U, V, W)
F. Tray open and close
CLOSE
CLOSE
OPEN
OPEN
OPEN SW
OPEN SW
CLOSE SW
CLOSE SW
Tray Open
Tray Close
- 22 -
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DVD P.W.BOARD OPERATION(SIGNAL)
3. Decorder
RF
RF
EFMOUT
PCK
EFMOUT
SBIAS
4.3218MHz (CD:Normal speed)
RF, EFMOUT, SBAIS
RF, EFMOUT, PCK
4. Reset Timing for Micom Cotroller
Reset Timing
5. Anti-Defect Processing
A. Disturbance by Defect
RF
RF
TE
TE
FE
DEFECT0
Defect
Disturbance of tracking
Suppressed disturbance by TE,FE hold process
TE disturbance at Defect
- 23 -
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DVD P.W.BOARD OPERATION(SIGNAL)
B. Circuit block of Anti-Defect
6. Start-up program
A. Disc type Identification
a. In the case of DVD Dual Disc
b. In the case of DVD Single Disc
- 24 -
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DVD P.W.BOARD OPERATION(SIGNAL)
c. In the case of CD Disc
B. Disc diameter identification
a. In the case of 12cm Disc
b. In the case of 8cm Disc
Spindle kick
SPD
SPDO
Tm > 300ms
Tm > 155 ms
FG
FG
6 FG = 1 revolution
6 FG = 1 revolution
c. In the case of NO Disc
SPDO
Tm < 155 ms
FG
6 FG = 1 revolution
- 25 -
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DVD P.W.BOARD OPERATION(SIGNAL)
7. Adjustment (Auto Adjustment)
A. SGC(Signal Gain Control) Adjustment
B. Tracking Balance Adjustment
Zoom
RF
RF
FDO
TDO
TE
Vref
TE
- 26 -
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DVD P.W.BOARD OPERATION(SIGNAL)
C. Focus and Tracking Gain Adjustment
a. Focus gain Adjustment
Zoom
RF
RF
FDO
FE
FDO
FE
SPD
SPD
b. Tracking Gain Adjustment
Zoom
RF
RF
FDO
TDO
TE
FDO
TDO
TE
- 27 -
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DVD START-UP PROGRAM FLOW CHART
(This is a basic start-up program flow chart.)
1. Disc Identification
Start
Disc Type identification
Vref
compensation
Th0 : Level threshold
NO
pk0 > Th0
YES
Disc diameter identification
Kick
Spindle
NO
pk0 > pk1
YES
NO
pk2 > pk1/3
YES
not yet
one rev
D-type :
Disc Type
done
Rising Time
data:Tm
D-type = DVD
D-type = CD
D-type = DVD Dual
Th : Time threshold
Th1=246 ms
NO
Tm >Th1
NO
YES
DVD Mode
SGC(Layer1)
data:pk1&pk2
CD Mode
SGC
Tm > Th2
YES
D = 8cm
D=12cm
NoDisc
Start
NO
pk2 > Th0
YES
Spindle Servo
Gain down
D-type = DVD Single
D-type = DVD Dual
FG servo
500 rpm
DVD Mode
SGC(Layer0)
CD Mode
Fofst Adj
Fcs Aji
pk0 : S-Peak value
data:pk0
Fofst Adj
DVD Mode
Fofst Adj
Fcs Adj
data:pk1 & pk2
pk1 & pk2 : 1st & 2nd S-Peak value
1
- 28 -
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DVD START-UP PROGRAM FLOW CHART
2. Fundamental and additional auto adjustment
- 29 -
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MPEG AND FRONT END P.W.BOARD OPERATION(BLOCK DIAGRAM)
(This is a basic block diagram.)
LA4-18
FRONT PWB
5. 1ch model use
=
CN818
+12V
D5V
DAC5V
CN605
STANDBY MATCH
+3.3V
VCTRLI
CN805
NT/PAL
IC817
PCM1748E
A-DAC(2CH)
IC842
KIA4558
AMP
Q8001
A1036
5MHz
2.5V
CN601
L-CH
R-CH
A_MUTE
NC
STB
(NC)IR
DS601
SENSOR
from MPEG
board
LATCH(ML)
LATCH(ML)
Q8001
A1036
X103(CLK)/X102(/OC)
CLK
IC601
DOUT
STB
UPD78023232
DIN
CN810
Q8003
KRC107
IC819
AND
NC
(NC)MUTE
AD0-31
SCLK1(MC)
SCLK1(MC)
VFD
KEY
SSPIN1
SSPCLK1
SSPOUT1
LA0-3,
PWE0-,ALE
HRST
TXD
RXD
ACLK/LRCK/PCMCLK
X104/X105
CN602
AOUTO3
IC863
to SOCKET
PWB
SCLK
AOUTO/AOUT1/AOUT2
FFC 18P
IC602
RESET
KIA4558
AMP
GND
M+5V
P-COM
-30V
FL1
FL2
RDY_HIF
LRCK
BCK
CDDATA
SPDIF
CN805
A/D INPUT
IC812
PST3627UR
RESET
IC801
RSTP-
SRST-
SURR_L
SURR_R
CENTER
WOOFER
FRONT_L
FRONT_R
CDDATA
SPDIF
VOUT1/2
VOUT3/4
VOUT5/6
IC861
PCM1602Y
A-DAC(6CH)
IC864
KIA4558
AMP
SRST
DVD0,DVD4
DSTB,DCLK
RXD1
X1012
CN809
CN605
STANDBY NOT MATCH
DVD0-3
DVD5-7
SPDIF
VCTRLI
NT/PAL
(VIDEO OUT)
IC862
KIA4558
AMP
MD0-31,MA0-13
FFC 26P
SDT0-7
DREQ
DACK
DBGN
DCLK
IC816
LEVEL SHIFT
(3V->5V)
CN801
DS601
SENSOR
CN601
SPDIF
S/RGB/COMP
NTSC/PAL
VCTRL
NC
STB
IR
VFD_CLK
DATA_OUT
DATA_IN
NC
IC806
SDRAM 16Mb
IC807
SDRAM 16Mb
CN806
VDAC1-4
IC601
UPD16311
VFD
DATA_IN
VFD_CLK
DATA_OUT
STB
P_MUTE
from MPEG to FRONT
board pwb
IR
(READY)
CN602
from MPEG PWB
KEY
KEY-SCAN INPUT
GND
M+5V
P-COM
-30V
SOCKET section
FL1
FL2
POWER SUPPLY
CN672
CN482
CN683
5.1ch MODEL
/XE, /UK MODEL
from POWER
Q4802
+12V
SUPPLY/SOCKET board
NT/PAL
SW
IC490
STR6651
Q4821
Q6707
AC-INPUT
5.1ch
VIDEO
SW
OUTPUT
IC481
KIA78R05PI
+5V
CN660
SCART PWB
Q4813
COMPOSITE
IC483
L5431
Q6707
Q6708
AUDIO
L/R
SW-RGB
IC480
Q6602
Q6601
+3.3V
SW-RGB
SW-V
RGB
CVBS
L-CH
KIA78R33PI
MUTE
Q4811
Q4812
P-COM
SW-V
S-VIDEO
SPDIF
Q4810
RGB
R-CH
COMPOSITE
AUDIO L/R
-30V
FL1
FL2
SCART OUTPUT
Y/CB/CR
COMPONET
Q4802
Q4803
Q4804
= STANDBY MATCH
- 30 -
- 31 -
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