PS Series
PS28 Subwoofer
SERVICE MANUAL
Infinity Systems, Inc.
250 Crossways Park Dr.
Woodbury, New York 11797
Rev1 3/2007
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PS series PS28 subwoofer
INFINITY PRIMUS PS28 150W Powered Sub/ Plate Amp
LINE VOLTAGE
US 120VAC/60Hz
Europe 220-240VAC, 50-60Hz
Yes/No
Yes
Yes
Hi/Lo Line
108-132
220-230
Unit
Vrms
Vrms
Notes
Normal Operation
Normal Operation
Parameter
Specification
Unit
QA Test Limits
Conditions
Notes
Amp Section
Type (Class AB, D, other)
Type (Class AB, D, other)
AB
G
AB
G
n/a
n/a
120V model
230V Model
External Sink required for Class AB
Impedance used for electrical
measurements
Rated Load Impedance
System average impedance
Voice coil DCR
Rated Output Power
THD@ Rated Power
THD @ 1 Watt
4
Ohms
Ohms
Ohms
Watts
%
n/a
n/a
n/a
95
1
Nominal
8.79
4.35
100
0.5
0.1
10
Average impedance from 10 to 500Hz
Reference
Single input driven
22K filter
22K filter
%
mV-DC
0.3
50
DC Offset
@ Speaker Output
Measured at speaker terminals, Output
power 90 Watts
Damping factor
>100
40
AVG Power over the first 4 consecutive
peaks, when tested with a burst siganl 3/20
at 50 Hz
Dynamic power RMS
Highest RMS value
125
152
Watts
Watts
Reference
Reference
Input Sensitivity
Input Frequency
50
16.5
11.7
41
Hz
mVrms
mVrms
dB
50
Nominal Freq.
To 1W
To 1W
G=118
G=165
Line Input (L&R)
±2dB
±2dB
±1dB
±1dB
Single input driven, AP Zo=600 Ohms
LFE input driven only, AP Zo=600 Ohms
Single input driven, AP Zo=600 Ohms
LFE input driven only, AP Zo=600 Ohms
LFE Input
System Gain (Line input)
System gain (LFE input)
44
dB
Signal to Noise
SNR-A-Weighted
SNR-unweighted
SNR @ 1W-unweighted
100
85
65
dBA
dBr
dBr
85
80
60
rel. to rated power
rel. to rated power
rel. to 1W Output
A-Weighting filter
22K filter
22K filter
Volume @max, w/ A/P Swept Bandpass
Measurement (Line freq.+ harmonics)
mVrms(max)
K ohms
1.5
n/a
Residual Noise Floor
1
Input Impedance
Line input L&R , LFE
>10
Nominal
Filters
Low Pass (fixed or variable)
Subsonic filter (HPF)
Variable
--
Hz
±2dB
±2dB
Crossover range 50-150 Hz
Fixed
Limiter (yes/no)
THD at Max. Output Power
YES
<1
--
%
Functional
Functional
Features
Line Level inputs (L&R)
LFE Input
Phase Switch (yes/no)
Volume pot Taper (lin/log)
Variable crossover
ATO
YES
YES
YES
LOG
YES
YES
YES
Functional
Functional
Functional
Functional
Functional
Functional
Functional
Dual RCA conenctor (RED-WHT)
Single input (Yellow color)
LED indicator
Located at the amplifier panel
Input Configuration
Line In (L,R)
Line level in LFE
L ,R
LFE
--
Functional
Functional
RCA inputs: L , R Summed to Mono
Signal Sensing (ATO)
Auto-Turn-On (yes/no)
ATO Level @ 50 Hz
ATO Level @ 1 KHz
YES
1
1
--
mV
mV
Functional
Functional
Functional
One input driven
One input driven
Amp connected and AC on, then input
signal applied
ATO Turn-on time
5
10
3
ms
minutes
sec.
Functional
Functional
Functional
Auto Mute/ Turn-OFF Time
Power on Delay time
T before muting, after signal is removed Auto turn of time (T) must be 5 > T <15
AC Power Applied
Transients/Pops
ATO Transient
Turn-on Transient
5
50
mV-peak
mV-peak
10
100
@ Speaker Outputs
@ Speaker Outputs
AC Line cycled from OFF to ON
2
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PS series PS28 subwoofer
Parameter
Specification
Unit
QA Test Limits
Conditions
@ Speaker Outputs
Notes
Turn-off Transient
Efficiency
50
mV-peak
100
AC Line cycled from ON to OFF
Maximum allowable input power under
nominal Input voltage and frequency, HOT
or COLD operation.
Stand-by Input Power
Power Cons.@rated power
12
195
Watts
Watts
15
210
@ nom. line voltage
@ nom. line voltage
100 Watts @ 4 Ohms nominal line voltage
Protection
Short Circuit Protection
YES
--
Functional
Direct short at output
Temperature rise should not exceed 35K
rise
Relay or crowbar (for driver/fire protection)
Thermal Protection
DC Offset Protection
65 deg. C
YES
--
--
Functional
Functional
@1/8 max unclipped Power
DC present at Speaker Out leads
Line Fuse Rating
120 VAC
230 VAC
External fuse with UL/SEMKO rated holder
2.5
1.25
Amps
Amps
Type-T or Slo Blo
Type-T, Low breaking capacity
3
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PS series PS28 subwoofer
4
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PS series PS28 subwoofer
CONTROLS AND CONNECTIONS
Rear Panel
¡
™
£
¢
∞
§
Subwoofer-Level Control
Crossover Adjustment
Phase Switch
®
¡
™
LFE Input
Line-Level Inputs
Power Switch
£
¢
∞
§
AC
~
FUSE
T 2.5A L 250V
TYPE
120V
60HZ
200 Watts
PS28 (120V)
5
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PS series PS28 subwoofer
SUBWOOFER CONNECTIONS
CHOOSE THE SUBWOOFER CONNECTION THAT IS MOST SUITABLE FOR YOUR RECEIVER/PROCESSOR
If you have a Dolby® Digital or DTS®
receiver/processor with a low-frequency
effects (LFE) or subwoofer output:
SUBWOOFER OR
LFE OUTPUT
If your receiver/processor does
RECEIVER/PROCESSOR
not contain a Dolby Digital or DTS
processor but has a subwoofer output:
L
R
NOTE: Some receivers have one
subwoofer output. In that case, it is
recommended that you use a Y connector
(not included) to maximize performance.
PS28 (120V)
6
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PS series PS28 subwoofer
OPERATION
Crossover Adjustments
Power On
The Crossover Adjustment Control ™ determines the highest
frequency at which the subwoofer reproduces sounds. If your main
speakers can comfortably reproduce some low-frequency sounds,
set this control to a lower frequency setting, between 50Hz
and 100Hz.This will concentrate the subwoofer’s efforts on the
ultradeep bass sounds required by today’s films and music. If you
are using smaller bookshelf speakers that do not extend to the
lower bass frequencies, set the Crossover Adjustment Control to
a higher setting, between 120Hz and 150Hz.
Plug your subwoofer’s AC cord into a wall outlet. Do not use the
outlets on the back of the receiver.
¡
Initially set the Subwoofer-Level Control
position.
to the“min”
§
Turn on your sub by pressing the Power Switch
panel.Turn on your entire audio system and start a CD or movie
soundtrack at a moderate level.
on the rear
Auto On/Standby
NOTE: This control will have no effect if the LFE Input ¢ is used.
If you have a Dolby Digital or DTS processor/receiver, the Low-Pass
Frequency is set by the processor/receiver. Consult your owner’s
manual to learn how to view or change this setting.
§
With the Power Switch
in the ON position, the LED on the
rear panel will remain lit in red or green to indicate the
On/Standby mode of the subwoofer.
RED = STANDBY (No signal detected,Amp Off)
GREEN = ON (Signal detected,Amp On)
MAINTENANCE AND SERVICE
The subwoofer will automatically enter the Standby mode after
approximately 10 minutes when no signal is detected from your
system.The subwoofer will then power ON instantly when a
signal is detected. During periods of normal use, the Power
The enclosure may be cleaned using a soft cloth to remove
fingerprints or to wipe off dust.
The grille may be gently vacuumed. Stains may be removed with
an aerosol cleaner, following its instructions. Do not use any
solvents on the grille.
§
§
Switch
can be left on.You may turn off the Power Switch
for extended periods of nonoperation, e.g., when you are
away on vacation.
All wiring connections should be inspected and cleaned or
remade periodically.The frequency of maintenance depends on
the metals involved in the connections, atmospheric conditions,
and other factors, but once per year is the minimum.
Adjust Level
¡
Turn your Subwoofer-Level Control
up to the“5”position
(halfway). If no sound emanates from the subwoofer, check the
AC-line cord and input cables.Are the connectors on the cables
making proper contact? Is the AC plug connected to a“live”
§
In the event that your subwoofer ever needs service,
contact your local Infinity dealer or distributor or visit
receptacle? Has the Power Switch
been pressed to the“On”
position? Once you have confirmed that the subwoofer is active,
proceed by playing a CD, record or cassette. Use a selection that
has ample bass information.
Set the overall volume control of the preamplifier or stereo to a
¡
comfortable level. Adjust the Subwoofer-Level Control
until
you obtain a pleasing blend of bass. Bass response should not
overpower the room but rather be adjusted so there is a
harmonious blend across the entire musical range. Many
users have a tendency to set the subwoofer volume too loud,
adhering to the belief that a subwoofer is there to produce lots
of bass.This is not entirely true.A subwoofer is there to enhance
bass, extending the response of the entire system so the bass
can be felt as well as heard. However, overall balance must
be maintained or the music will not sound natural.An
experienced listener will set the volume of the subwoofer so its
impact on bass response is always there but never obtrusive.
Phase Control
The Phase Switch £ determines whether the subwoofer
speaker’s piston-like action moves in and out with the main
speakers, 0,˚ or opposite the main speakers, 180.˚Proper phase
adjustment depends on several variables such as room size,
subwoofer placement and listener position.Adjust the phase
switch to maximize bass output at the listening position.
7
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PS series PS28 subwoofer
8
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PS series PS28 subwoofer
PS28 Test Set Up and Procedure
SYSTEM AURAL SWEEP TEST
Equipment needed:
• Function/signal generator/sweep generator
• Integrated Amplifier
• Multimeter
• Speaker cables
General Unit Function (UUT = Unit Under Test)
Switches/knobs on the amplifier faceplate:
Low Pass Frequency Adjust full CW (150Hz)
Phase switch – either position
1. From the signal generator, Connect both right and left line level inputs (RCA) – not the LFE jack - to signal
generator and UUT. Use Y-cable if necessary from mono source.
2. On the amplifier, turn the LEVEL control full Counterclockwise (Min).
3. Turn on generator, adjust to 100mV, 50 Hz.
4. Plug in UUT; turn the power switch ON. Turn LEVEL control full Clockwise (Max).
5. LED should now be Green; immediate bass response should be heard and felt from rear port tube opening.
Sweep Function
1. Follow steps 1-5 above, using a sweep generator as a signal source.
2. Sweep generator from 20Hz to 1kHz. Listen to the cabinet and drivers for any rattles, clicks, buzzes or
any other noises. If any unusual noises are heard, remove woofer and test.
Driver Function (Woofer)
1. Remove woofer from cabinet; detach + and - wire clips.
2. Check DC resistance of woofer; it should be 4.4 ohms±10%.
3. Connect a pair of speaker cables to driver terminals. Cables should be connected to an integrated
amplifier fed by a signal generator. Turn on generator and adjust so that speaker level output is 5.0V.
4. Sweep generator from 20Hz to 1kHz. Listen to driver for any rubbing, buzzing, or other unusual noises.
9
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PS series PS28 subwoofer
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PS series PS28 subwoofer
11
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PS series PS28 subwoofer
PS28
Troubleshooting Flow Chart
AMP no signal out
no
Check Fuse,Transformer,
D110, etc
yes
DC voltage check ±Vcc
yes
yes
no
Check Q117,118,119,D109 etc
yes
Check+/-15VDC
yes
LED red
LED light green or red
Check,Q206,Q207,U203 etc
LED light green
yes
yes
CheckU201,U202,VR201
VR202. etc
Check U201
no
Check U202 pin14 signal
pin14 signal
yes
yes
no
no
Check limiter board C304
Check U301,R343,R344 ,
C340,Q301,Q302, etc
yes
yes
yes
no
Check ,+VCC& -VCC
DC voltage
Check J123,J124 etc
Test R121,R122 signal
no
yes
yes
Check Q107,Q108,Q105,
Q106,Q103,Q104,U101,etc
Check RY101,D102,Q113,Q114 etc
yes
no
Check U101,Q115,Q116,R138 etc
yes
Set R138 to R140’S
Voltage is 0.51VDC
yes
Check P102 signal
Amp ass’y is OK, Finish
12
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PS series PS28 subwoofer
PS 28 (120v) Electrical Parts List
Part Number
PREAMP PCB
Resistors
Description
Qty Reference Designator
110-14122j26-e
110-16102j26-e
Resistor 1.2K 1/4W ±5% CF 26mm (RoHS)
Resistor 1K 1/6W ±5% CF 26mm (RoHS)
1
5
R270
R213,R214,R215,R254,R253
R212,R216,R217,R220,R221,R222,R225,R226,R228,
R232,R235,R240
110-16103j26-e
Resistor 10K 1/6W ±5% CF 26mm (RoHS)
12
110-16104j26-e
110-16105j26-e
110-16123j26-e
110-16183j26-e
110-16205j26-e
110-16223j26-e
110-16224j26-e
110-16273j26-e
110-16333j26-e
110-16472j26-e
110-16473j26-e
110-16474j26-e
110-16512j26-e
110-16562j26-e
116-164531f26-e
116-164991f26-e
115-h203b208-e
115-h503a104-e
Resistor 100K 1/6W ±5% CF 26mm (RoHS)
Resistor 1M 1/6W ±5% CF 26mm (RoHS)
Resistor 12K 1/6W ±5% CF 26mm (RoHS)
Resistor 18K 1/6W ±5% CF 26mm (RoHS)
Resistor 2M 1/6W ±5% CF 26mm (RoHS)
Resistor 22K 1/6W ±5% CF 26mm (RoHS)
Resistor 220K 1/6W ±5% CF 26mm (RoHS)
Resistor 27K 1/6W ±5% CF 26mm (RoHS)
Resistor 33K 1/6W ±5% CF 26mm (RoHS)
Resistor 4.7K 1/6W ±5% CF 26mm (RoHS)
Resistor 47K 1/6W ±5% CF 26mm (RoHS)
Resistor 470K 1/6W ±5% CF 26mm (RoHS)
Resistor 5.1K 1/6W ±5% CF 26mm (RoHS)
Resistor 5.6K 1/6W ±5% CF 26mm (RoHS)
metal filmResistor 4.53K 1/6W ±1% MF26mm (RoHS)
metal filmResistor 4.99K 1/6W ±1% MF26mm (RoHS)
horizon variable Resistor B20K (RoHS) CROSSOVER
horizon variable Resistor D16 50K/1 A (RoHS) LEVEL
2
2
1
1
1
4
1
1
1
4
1
1
3
1
1
1
1
1
R231,R266
R259
R227
R262
R257
R238,R250,R255,R233
R251
R237
R249
R200,R207,R258,R260
R219
R252
R211,R229,R230
R224
R223
R234
VR202,
VR201,
Capacitors
129-a224j633-e
129-a564j633-e
130-2b221k503-e
130-3f104z503-e
130-ch220k503-e
130-2b220k503-e
132-103j503-e
metalize CAP. 0.22uF 63V ±5% MSC (RoHS)
metalize CAP. 0.56uF 63V ±5% (RoHS)
disc capacitor 220P 50V ±10% (RoHS)
disc capacitor 0.1U 50V +80/-20% (RoHS)
disc capacitor 22PF CH 50V±10% (RoHS)
disc capacitor22P 50V +/-10% (RoHS)
Mylar capacitor 0.01uF 50V ±5% (RoHS)
Mylar capacitor 0.1U 50V ±5% (RoHS)
electrolytic CAP. 1U 50V ±20% (RoHS)
electrolytic CAP. 10uF 50V ±20% (RoHS)
electrolytic CAP. 100uF 16V ±20% (RoHS)
electrolytic CAP. 2.2U 50V ±20% (RoHS)
electrolytic CAP. 22U 50V ±20% (RoHS)
metalize capacitor 0.47U 63V ±5% MSC (RoHS)
1
1
9
7
1
1
2
2
1
7
2
1
1
2
C218
C216
C207,C208,C210,C211,C212,C214,C220,C230,C249
C232,C242,C244,C245,C246,C252,C254
C229
C229
C223,C224
C215,C217
C228
C206,C213,C231,C241,C243,C251,C253
C233,C234
C219
C225
C221,C222,
132-104j503-e
135-3105m50-e
135-3106m50-e
135-3107m16-e
135-3225m50-e
135-3226m50-e
129-a474j633-e
Semiconductors
192-027c1815gr-e
197-031n4148-e
199-15000515-e
190-06m4558d-e
190-16tl074cn-e
195-10204hgw-e
transistor 2SC1815GR TOSHIBA (RoHS) NPN
diode 100mA 75V SIGNAL 1N4148ROHM (RoHS)
zener diode 5.1V 1/2W 52mm (RoHS)
IC OPA 4558 DUAL OP-AMP
I .C TL074cm st QUAD OP-AMP
double colors LED 204HGW 3￠(RoHS)
2
7
1
2
2
1
Q206,Q207
D201,D202,D207,D208,D211,D212,D214
D213
U101,U203,
U201,U202,
LED1
Miscellaneous
162-50259201-e
174-0rca326p-e
180-tms7210v-e
WIRE ASS'Y 2 PIN 250mm white/red(RoHS)
JACK RCA-326 (RoHS)
SWITCH SLIDE 6PIN MS7210V(RoHS) PHASE
JUMPER WIRE 26mm (RoHS)
1
1
1
TO LED1,
JK202,
SW301,
30 ALL J,D215,D216
13
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PS series PS28 subwoofer
Part Number
Description
Qty Reference Designator
POWER/MAIN PCB
Resistors
110-14472j26-e
110-14681j26-e
110-16101j26-e
110-16102j26-e
110-16103j26-e
110-16105j26-e
110-16123j26-e
110-16152j26-e
110-16153j26-e
110-16154j26-e
110-16181j26-e
110-16182j26-e
110-16223j26-e
110-16332j26-e
110-16392j26-e
110-16393j26-e
110-16470j26-e
110-16471j26-e
110-16472j26-e
110-16473j26-e
110-16560j26-e
110-16563j26-e
110-16682j26-e
110-10821jk2-e
110-122r2j15-e
110-20331jk2-e
110-20331jk3-e
113-50r10j10-e
114-03302m0-e
Resistor 4.7K 1/4W ±5% CF 26mm (RoHS)
Resistor 680Ω 1/4W ±5% CF 26mm (RoHS)
Resistor 100Ω 1/6W ±5% CF 26mm (RoHS)
Resistor 1K 1/6W ±5% CF 26mm (RoHS)
Resistor 10K 1/6W ±5% CF 26mm (RoHS)
Resistor 1M 1/6W ±5% CF 26mm (RoHS)
Resistor 12K 1/6W ±5% CF 26mm (RoHS)
Resistor 1.5K 1/6W ±5% CF 26mm (RoHS)
Resistor 15K 1/6W ±5% CF 26mm (RoHS)
Resistor 150K 1/6W ±5% CF 26mm (RoHS)
Resistor 180Ω 1/6W ±5% CF 26mm (RoHS)
Resistor 1.8K 1/6W ±5% CF 26mm (RoHS)
Resistor 22K 1/6W ±5% CF 26mm (RoHS)
Resistor 3.3K 1/6W ±5% CF 26mm (RoHS)
Resistor 3.9K 1/6W ±5% CF 26mm (RoHS)
Resistor 39K 1/6W ±5% CF 26mm (RoHS)
Resistor 47Ω 1/6W ±5% CF 26mm (RoHS)
Resistor 470Ω 1/6W ±5% CF 26mm (RoHS)
Resistor 4.7K 1/6W ±5% CF 26mm (RoHS)
Resistor 47K 1/6W ±5% CF 26mm (RoHS)
Resistor 56Ω 1/6W ±5% CF 26mm (RoHS)
Resistor 56K 1/6W ±5% CF 26mm (RoHS)
Resistor 6.8K 1/6W ±5% CF 26mm(RoHS)
Resistor 820Ω 1W ±5% 10mm (RoHS)
Resistor 2.2Ω 1/2W ±5% 15mm (RoHS)
Resistor 330Ω 2W ±5% 5mm (RoHS)
2
2
1
1
1
1
2
6
4
1
2
1
3
3
2
1
4
1
3
1
1
1
1
1
1
1
1
2
1
R147,R150
R148,R151
R120
R124
R134
R143
R135,R139
R103,R123,R136,R137,R141,R142
R118,R145,R152,R154
R131
R111,R114
R153
R128,R129,R133
R106,R107,R144
R105,R108
R126
R112,R113,R115,R116
R140
R110,R125,R130
R101
R117
R104
R109
R132,
R127,
R146,
R149,
R121,R122,
R138,
Resistor 330Ω 2W ±5% (RoHS)
cement Resistor 0.1Ω 5W ±5% (RoHS)
semi-fixed Resistor 3K 0.3W ±20% (RoHS)
Capacitors
130-2b102k503-e
130-3f104z503-e
130-3f473m503-e
132-104j503-e
132-223ja03-e
135-3105m50-e
135-3107m16-e
135-3226m50-e
135-3227m10-e
135-3227m16-e
135-3476m25-e
132-223ja03-e
135-3107m16-e
135-4688m50-e
disc capacitor 1000P 50V ±10% (RoHS)
disc capacitor 0.1U 50V +80/-20% (RoHS)
disc capacitor 0.047U 50V ±20% (RoHS)
Mylar capacitor 0.1U 50V ±5% (RoHS)
1
4
1
1
4
2
3
2
2
1
1
2
1
2
C116
C108,C113,C115,C119
C106
C107
C124,C125,C126,C128
C105,C112
C109,C117,C120
C114,C118
C129,C130
C111
Mylar capacitor 0.022uF 100V ±5% (RoHS)
electrolytic CAP. 1U 50V ±20% (RoHS)
electrolytic CAP. 100uF 16V ±20% (RoHS)
electrolytic CAP. 22U 50V ±20% (RoHS)
electrolytic CAP. 220U 10V ±20% (RoHS)
electrolytic CAP. 220U 16V ±20% (RoHS)
electrolytic CAP. 47U 25V ±20% (RoHS)
mylar capacitor 0.022uF 100V ±5% (RoHS)
electrolytic CAP. 100uF 16V ±20% (RoHS)
electrolytic CAP. 6800U/50V ±20% D25X45mm (RoHS)
C103
C123,C127,
C110,
C121,C122,
Semiconductors
192-027c1815gr-e
192-1572n5551-e
192-1582n5401-e
197-031n4148-e
199-15000335-e
199-15000625-e
199-15001605-e
190-06m4558d-e
192-021tip35c-e
192-022tip36c-e
transistor 2SC1815GR TOSHIBA(RoHS)
transistor FSC 2N5551 (RoHS) NPN
transistor FSC 2N5401 AI-PNP 350V500mA TO-92 (RoHS)
diode 100mA 75V SIGNAL 1N4148ROHM (RoHS)
zener diode 3.3V 1/2W 52mm (RoHS)
zener diode HZ6C2 RENESAS (RoHS)
zener diode HZ16-2 RENESAS (RoHS)
IC OPA 4558 DUAL OP-AMP
7
2
2
6
1
2
1
2
1
1
Q102,Q111,Q112,Q113,Q118,Q114,Q116
Q103,Q109
Q104,Q110
D101,D103,D105,D108,D117,D118
D102
D106,D107
D109
U101,U203,
Q107,
Q108,
transistor TIP35C (RoHS) NPN
transistor TIP36C (RoHS) PNP
14
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PS series PS28 subwoofer
Part Number
Description
Qty Reference Designator
POWER/MAIN PCB
192-027c1815gr-e
192-201d882y-e
192-202b772y-e
192-991d669a-e
192-992b649t-e
197-00kbl405-e
197-031n4148-e
197-101n4002-e
transistor 2SC1815GR TOSHIBA(RoHS) NPN
transistor KSD882Y (RoHS) PNP
transistor KSB772Y (RoHS) PNP
transistor HI-SINCERITY HSD669A (RoHS) NPN
transistor HSB649T (RoHS) PNP
diode 4A 500V KBL405 (RoHS)
2
1
1
1
1
1
1
1
Q101,Q115,
Q117,
Q119,
Q106,
Q105,
D110,
D116,
D104,
diode 100mA 75V SIGNAL 1N4148 ROHM (RoHS)
diode 1N4002TB (RoHS)
Miscellaneous
171-udhss124d-e
175-1c07v01-e
175-1d02v01-e
relay 5A 24V UDH-SS124D (RoHS)
1
1
1
RY101,
P101,
P102,
wire connector & base 7PIN PITCH=2.5mm (RoHS)
wire connector & base 2PIN PITCH=3.96mm (RoHS)
wire connector & base 3 PIN PITCH=3.96mm JST-VH cut
off the middle PIN (RoHS)
175-1d03v01-e
193-3m2520-e
1
P103,
insulator TO-3P 25x20mm (RoHS)
2
1
1
4
1
2
1
for Q107,Q108,
323-AL-00020-0LAE HEAT SINK 65*32*31 AL
351-AM03014A094-E M3*14 machine screw black (RoHS)
352-AM03008D040-E ￠3*8 B type ping screw black (RoHS)
361-FE-00051-0LAE transistor holder 14.2*8.0*5.2t=1.6mm (RoHS)
361-NYL-00054-0LAE transistor insulator pad (SW06002) (RoHS)
362-FE-00041-0LAE PCB support 11.75*8.5*12.5H(RoHS)
LIMITER PCB
Resistors
110-16103j26-e
116-161132f26-e
110-16103j26-e
110-16183j26-e
110-16223j26-e
110-16273j26-e
110-16333j26-e
110-16472j26-e
110-16474j26-e
110-16751j26-e
Resistor 10K 1/6W ±5% CF 26mm (RoHS)
metal filmResistor 11.3K 1/6W ±1% MF 26mm (RoHS)
Resistor 10K 1/6W ±5% CF 26mm (RoHS)
Resistor 18K 1/6W ±5% CF 26mm (RoHS)
Resistor 22K 1/6W ±5% CF 26mm (RoHS)
Resistor 27K 1/6W ±5% CF 26mm(RoHS)
Resistor 33K 1/6W ±5% CF 26mm(RoHS)
Resistor 4.7K 1/6W ±5% CF 26mm (RoHS)
Resistor 470K 1/6W ±5% CF 26mm (RoHS)
Resistor 750Ω 1/6W ±5% CF 26mm(RoHS)
1
1
8
1
2
1
1
2
1
2
back
back
R301,R303,R304,R308,R309,R314,R340,R344
R302
R310,R312
R341
R305
R342,R343
R307
R311,R313
Capacitors
130-3f104z503-e
132-103j503-e
135-3226m50-e
135-3476m25-e
disc capacitor 0.1U 50V +80/-20% (RoHS)
mylar capacitor 0.01uF 50V ±5% (RoHS)
electrolytic CAP. 22U 50V ±20% (RoHS)
electrolytic CAP. 47U 25V ±20% (RoHS)
2
2
2
1
C305,C306
C302,C303
C301,C340
C304
Semiconductors
190-16tl074cn-e
197-031n4148-e
192-027c1815gr-e
197-031n4148-e
I .C TL074cm st QUAD OP-AMP
1
1
2
2
U301,
back
Q301,Q302
D301,D302
diode 100mA 75V SIGNAL 1N4148 ROHM (RoHS)
transistor 2SC1815GR TOSHIBA (RoHS) NPN
diode 100mA 75V SIGNAL 1N4148ROHM (RoHS)
Miscellaneous
162-50289001-e
162-80098201-e
CABLE ASS'Y 280mm AWG26 WHT (RoHS)
90mm 28AWG (RoHS)
wire connector & base 40PIN PITCH=2.54mm HR2*40
(RoHS)
1
1
to SW301,
P301,
175-9f40hr2-e
15
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PS series PS28 subwoofer
Part Number
Description
Qty Reference Designator
MISCELLANEOUS/MECHANICAL
123-14j70d-e
130-3f472md00-e
150-e8604107-e
Ferrite Core U-16.3*8.2*13 (J70)+CASE (RoHS)
1
1
1
disc capacitor 4700P 400V ± 20% safy long foot (RoHS)
transformer EI-86 60Hz 120V TT0869906580
power line cord polar SVT FT-2 6FT double insulation
(RoHS)
T1
152-u602015-e
1
154-u25006t0-e
155-520020-e
162-10151001-e
162-50652003-e
176-wjce1-e
fuse 2.5A 250V 20mm (RoHS)
fuse holder R3-11 (RoHS)
WIRE UL1617 150mm 22AWG BROWN 6:6 (RoHS)
WIRE 650mm RED=205# 0.5T BLK=110# 0.5T (RoHS)
wire connector pin CE-1 (RoHS)
1
1
1
1
1
1
1
1
2
4
1
1
2
2
2
2
2
1
4
7
4
8
2
4
FS101,
180-prf1003s-e
power switch ROCK RF-1003-BB2-OHA (RoHS)
SW100
302-AL-00406-1BDE rear board 300*200*2.5T black (RoHS)
306-ABS-00177-0BAE rear housing 198*298*102mm (RoHS)
311-ABS-00028-0BAE knob CROSSOVER,LEVEL 46077-W P.V.C. (RoHS)
320-RUB-00033-0BAE rubber foot pad 25*21*4t (RoHS)
323-AL-00106-0BBE HEAT SINK 117.5*71.5*25 black (RoHS)
333-EVA-00761-0BAE Gasket 18*9*2T (RoHS)
333-EVA-00783-0BAE Gasket W 198*12*2.0T
333-EVA-00807-0BAE Gasket L 274*12*2.0T (RoHS)
333-EVA-00826-0BAE Gasket W 198*12*1.0T (RoHS)
333-EVA-00835-0BAE Gasket L 274*12*1.0T (RoHS)
335-NYL-05015-0BAE wire clip SB4F-2 black (RoHS)
337-CU-00101-0LAE metal foil 65L*50W (RoHS)
350-EM04012D024-E 4￠*12 wood screw black (RoHS)
351-AM03008A079-E M3*8 machine screw black (RoHS)
351-HM04016A218-E M4*16 machine screw black(RoHS)
352-AM03008D040-E ￠3*8 B type ping screw black (RoHS)
352-AM03010D065-E ￠3*10 P type ping screw black(RoHS)
354-GM04002-E
M4 screw cap adding pad black(RoHS)
362-FE-00013-0LAE PCB support L TYPE t=1.6mm S.P.C.C 89*9*1.6T (RoHS)
2
16
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PS series PS28 subwoofer
17
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PS series PS28 subwoofer
18
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PS series PS28 subwoofer
19
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PS series PS28 subwoofer
20
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PS series PS28 subwoofer
21
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PS series PS28 subwoofer
22
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PS series PS28 subwoofer
23
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PS series PS28 subwoofer
24
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