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SERVICE MANUAL
POWERED SUBWOOFER
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-8
PARTS LIST:
PRE AMPLIFIER BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9-10
POWER AMPLIFIER BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-11
VOLTAGE SELECTOR BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
PRE AMP AND POWER AMP ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
8” SPEAKER ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
POWER CORD CABLE ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
SCHEMATIC DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15-16
PCB LAYOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
EXPLODED VIEW DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18-19
POWERED SUBWOOFER
SPECIFICATIONS
System Specifications
Frequency Response
Sensitivity
Power Handling
Dimension (W x D x H)
Weight
HF
LF
Crossover Frequency
Impedance
70-20K Hz
85+/-2dB
70W Max
198 x 130 x 150 mm
2.1kg
12mm (0.5") tweeter
100mm (4")
3KHZ
4 OHM
Woofer Specifications
Rated Impedance
Voice coil DCR
Sweep Test
Resonant Frequency (Fo)
Sensitivity
Rated Power Input
Maximum Power Input
Power Test
Main Magnet
Bucking Magnet
3.8 ohms +/- 0.8 at 1V 500 Hz
3 +/-0.15 ohm
Sine Wave 4V at 20-20K Hz
65 +/- 15 Hz
85 dB/W/m
30W
60W
15W Music Max/Channel
30W RMS/Channel
(The rated power is verified by performing power handling test by feeding
rated output with "IEC268-5" for 8 hours)
Ø74 x Ø38 x 15mm
Ø55 x Ø26 x 9mm
Tweeter Specifications
Rated Impedance
Voice coil DCR
Sweep Test
Resonant Frequency (Fo)
Sensitivity
Frequency Response
Rated Power Input
Main Magnet
Magnet Material
4+/-0.8 OHM at 1V 5K Hz
3.2 +/-0.16 OHM
Sine Wave 1 V at 500-20K Hz
2500 +/- 240 Hz
89 +/-2dB/W/m
Fo - 20K Hz
30W
Ø10 x 2mm
N35
2
POWERED SUBWOOFER
SPECIFICATIONS
Subwoofer Specifications
Typical
120
LIMIT
115
UNIT
W
THD (@90Hz 110W )
0.08
0.09
%
CLIPPING POWER
(Output 1% THD @ 90Hz )
125
120
W
INPUT SENSITIVITY
@ 120W 4 ohm 70Hz
LINE . INPUT VOL . Max
SPK . INPUT VOL . Max
95
0.8
+/-10%
+/-10%
mV
V
90
100
85
95
dB
dB
1)
CONTINUOUS POWER
(@ 90Hz, 0.1% THD)
2)
3)
4)
5)
S/N @ 12W 75Hz
@ 120W 75Hz
( A-WEIGHT, LINE INPUT )
6)
LOW PASS FILTER @ 75Hz
Freq VOL Set to Max. Low
-3dB
Freq VOL Set to Max. Upper -3dB
50
115
+/-10%
+/-10%
Hz
Hz
LOW PASS FILTER @ 60Hz
Freq VOL Set to Min. Low
-3dB
Freq VOL Set to Min. Upper -3dB
45
80
+/-10%
+/-10%
Hz
Hz
LOW PASS FILTER ROLL-OFF
Freq VOL Set to Max.
22
+/-2
dB
LOW PASS FILTER ROLL-OFF
Freq VOL Set to Min.
22
+/-2
dB
10) LINE OUTPUT @1V INPUT
HI PASS FILTER -3dB
( LINE IN @ 1KHz )
Freq VOL Set to Max.
Freq VOL Set to Min.
170
70
+/-10%
+/-10%
Hz
Hz
11) LINE OUTPUT @1V INPUT
HI PASS FILTER ROLL-OFF
LINE IN @ 1KHz
( 0 dB O/P Ref )
Freq VOL Set to Max.
Freq VOL Set to Min.
12
18
+/-2
+/-2
dB
dB
12) LINE OUTPUT
LINE IN @ 1KHz 1V INPUT
( 0 dB O/P Ref )
Freq VOL Set to Max.
1.2
+/-10%
V
7)
8)
9)
3
POWERED SUBWOOFER
SPECIFICATIONS
13) SPEAKER OUTPUT
HI PASS FILTER -3dB
( SPEAKER IN @1KHz )
@ 4 ohm Load
130
+/-10%
Hz
7
+/-1
dB
25K
200
15K
+/-10
OHM
OHM
16) AUTO TURN ON LEVEL
2.5
+/-1
mV
17) AUTO OFF DELAY TIME
50
40
Min
0- 180
0-170
Degree
3
5
mV
2.0
.07
1.5
.04
1.5
.04
2.5
.09
2.0
.06
2.0
.06
A
A
A
A
A
A
14) SPEAKER OUTPUT
HI PASS FILTER ROLL-OFF
SPEAKER IN @ 1KHz
@ 4 ohm Load
( 0dB 1W 0/P Ref )
15) INPUT IMPEDANCE
RCA
SPEAKER
18) PHASE ADJUSTABLE
@ 75-85Hz 10V O/P 0 Degree Ref:
PHASE VOL SET Min to Max
19) HUM & NOISE ( 17Hz -17KHz Filter )
1OK OHM LOAD @ INPUT
LEVEL VOL SET to Max
FREQ VOL & PHASE VOL SET to min
20) Current Consumption
UL 115 Vac @ 120W OUTPUT
@ IDLE
CE 230 Vac @ 120W OUTPUT
@ IDLE
UK 230 Vac @ 120W OUTPUT
@ IDLE
4
POWERED SUBWOOFER
SPECIFICATIONS
5
POWERED SUBWOOFER
SPECIFICATIONS
6
POWERED SUBWOOFER
SPECIFICATIONS
7
POWERED SUBWOOFER
SPECIFICATIONS
8
POWERED SUBWOOFER
PARTS LIST
PRE AMP SECTION
PRINTED CIRCUIT BOARD ASSEMBLY
QTY PART NO
DESCRIPTION
LOCATION
1
1
2
4
7
2
2
1
2
1
2
5
1
1
1
8
1
4
23
150F-101K-5-IEA
150F-104M-N-FD
150F-271K-5-IEA
150F-334M-N-JJA
153H-104K-5-QUA
153H-333K-5-MRA
153H-683K-5-PSA
157C-477M-5-OU
157D-107M-5-KW
157D-476M-5-IU
157E-106M-5-IU
157F-225M-5-IU
157F-225M-5-IU
2101-1357-0
2101-9790-0
3131-6140-0
3700-4536-RG
4701-102J-2
4701-103J-2
CC 50V 100PF 10% RL 5X3
CC 50V 0.1µƒ 20% RLF
CC 50V 270PF 10% RL 5x3
CC 50V 0.33µF 20% RLF MONO
CM 100V 0.1µF 10% RL 9X11 CENTRALAB
CM 100V 0.033µF 10% RL 7X9.5
CM 100V 0.068µF 10% RL
CE 10V 470µF 20% RL 8X11
CE 16V 100µF 20% RL 6x12
CE 16V 47µF 20% RL 5x11
CE 25V 10µF 20% RL 5x11
CE 50V 2.2µF 20% RL 5x11
CE 50V 2.2µF 20% RL 5x11
WAFER JM2411-8 8PIN
4RCA JACK HSP-204V-03 GP
IC BA4560 ROHM
L-115W EGW/209EGW RED/GR ELE-LED02
RCF 1/8W 1K 5% AT
RCF 1/8W 10K 5% AT
C29
C27
C3,11
C4,5,12,13
C7,15,17,18,19,20,22
C8,16
C64,65
C24
C21,25
C26
C23,30
C1,2,9,10,28
2
1
2
1
8
1
1
6
4
1
2
4
1
1
1
4
1
1
1
1
2
2
3
4
1
4701-104J-2
4701-125J-C
4701-153J-2
4701-162J-2
4701-222J-2
4701-224J-2
4701-225J-2
4701-273J-2
4701-303J-2
4701-391J-2
4701-471J-2
4701-472J-2
4701-563J-2
4701-682J-2
4701-683J-2
4718-101J-C-X
4750-5510-0
4750-5520-0
4750-5530-0
4837-3V36-2
4837-5V16-2
4840-8060-2
4860-8710-5
4860-8720-5
5200-3281-0-06
RCF 1/8W 100K 5% AT
RCF 1/8W 1.2M 5% ATS
RCF 1/8W 15K 5% AT
RCF 1/8W 1.6K 5% AT
RCF 1/8W 2.2K 5% AT
RCF 1/8W 220K 5% AT
RCF 1/8W 2.2M 5% AT
RCF 1/8W 27K 5% AT
RCF 1/8W 30K 5% AT
RCF 1/8W 390R 5% AT
RCF 1/8W 470R 5% AT
RCF 1/8W 4.7K 5% AT
RCF 1/8W 56K 5% AT
RCF 1/8W 6.8K 5% AT
RCF 1/8W 68K 5% AT
RMF 1W 100R 5% ATS METAL OXIDE
VR 20KBX2 VR16G20K15B20K L=15MM
VR 20KAX1 VR16N20K15A20K L=15MM
VR 10KBX1 VR16N20K15B10K L=15MM
DZ 1/2W +-5% 3.3V TEMIC AT
DZ 1/2W 5.1V "TEMIC" AT
DIODE 1N4148 NS
TR 9012H
TR 9013H SAMSUNG
SW COMAX SK-22D01-SG6-T-NS-IK
9
CN3
RCA1
U1,2,3,4,5,6,7,8
LED1
R11,34,71,73
R3, 6, 10, 15,16, 18,19, 21, 23,
26, 29, 33, 38, 39, 41, 42, 44, 46,
60, 62, 70, 76, 79,
R7,30
R64
R48,52
R56
R12,13,35,36,49,53,66,68,
R78
R65
R17, 22, 40, 45, 51, 55
R1,24,50,54,
R57
R63,74
R58,59,69,72,
R77
R37
R67
R8,9,31,32
VR1
VR2
VR3
Z3
Z1,2
D1,2
Q3,4,7
Q1,2,5,6
SW1
POWERED SUBWOOFER
PARTS LIST
PRE AMP SECTION
PRINTED CIRCUIT BOARD ASSEMBLY
CONTINUED
QTY PART NO
DESCRIPTION
2
2
1
1
1
2
2
1
RCF 1/8W 12K
R20, 43
RCF 1/8W 9.1K
R4, 27
3 PIN SHIELD WIRE ASSY L=130MM
CN1
3 PIN FLAT CABLE ASSY L=100MM
CN2
2254 1533 #26 2X2PIN BRN 100MM 1-51-112
CN4
AMP108U AWG26 180MM BRWN NALX2 1-51-274 CN5,6
CE 50V 300µF RL 10% NON-POLARITY
C6,14
PCB POWER AMP REV:E FC380C
4701-123J-2
4701-912J-2
7010-2221-0
7010-2222-0
7011-3240-0
7011-4570-0
8910-0042-0
1725-296A-0002
LOCATION
POWER AMP SECTION
PRINTED CIRCUIT BOARD ASSEMBLY
QTY PART NO
DESCRIPTION
LOCATION
4
2
1
1
2
2
2
1
3
1
1
2
1
2
2
1
2
1
1
1
3
1
1
1
1
1
2
2
1
CC 50V 100P 10% RL 5X3
CC 50V 0.1µF 20% RLF
CC 50V 0.33µF 20% RLF MONO
CC 50V 47P 10% RL 5X3
CC 50V 470P 10% RL 5x3
CC 50V 680PF 5% RL 8X5
CC 100V 4700PF 20% RL 5X3 TEC
CM 100V 0.001µF 10% RL 5X7.5
CM 100V 0.1µF 10% RL 9X11 CENTRALAB
CM 100V 0.22µF 10% RL 11.5X13
CM 63V 0.15µF 5% RB 7.5x6.5
CE 16V 220µF 20% RL 6x12
CE 25V 10µF 20% RL 5x11
CE 50V 1µF 20% RL 5x11
CE 50V 2.2µF 20% RL 5x11
CE 50V 0.47µF 20% RL 5X11
CE 63V 100µF 20% RL 10X12.5
CE 63V 47µF 20% RL 8X11.5
CE 35V 47µF 20% RL 6.5X11 ELNA
TT-9904 LE 1012A 1X12TX6MM SPRING COIL
SPADE TERMINAL 6.3X0.8 STRAIGHT
IC LM7915CT REGULATOR
IC LM7815CT REGULATOR
IC TA7317P
IC TL072CP DUAL FET OP AMP T1
IC LM3080N OTA NATIONAL
IC TL062 LOW POWER JFET
TERMINAL OUT PUT
RELAY RUDH-SH-124D "GOOD SKT"
C39,40,64,65
C53,54
C36
C38
C32,33
C42,43
C61,62
C37
C35,57,58
C47
C31
C55,56
C50
C34,48
C41,66
C51
C44,45
C52
C49
L1
AC1.AC2,VO
U15
U14
U13
U12
U9
U10,11
SPK+, SPKRLY1
150F-101K-5-IEA
150F-104M-N-FD
150F-334M-N-JJA
150F-470K-5-IEA
150F-471K-5-IEA
150F-681J-5-OI
150H-472M-5-IE
153H-102K-5-INA
153H-104K-5-QUA
153H-224K-5-VYA
153I-154J-9-NL
157D-227M-5-KW
157E-106M-5-IU
157F-105M-5-IU
157F-225M-5-IU
157F-474M-5-IU
157I-107M-5-SX
157I-476M-5-OV
157Q-476M-5-LUA
1806-2393-0
2101-1231-0
3130-3020-0
3130-3030-0
3130-3550-0
3130-4080-0
3130-9150-0
3131-7220-0
4132-1551-0
4500-8090-0
10
POWERED SUBWOOFER
PARTS LIST
POWER AMP SECTION
PRINTED CIRCUIT BOARD ASSEMBLY
CONTINUED
QTY PART NO
DESCRIPTION
LOCATION
10
4701-101J-2
RCF 1/8W 100R 5% AT
2
10
4701-102J-2
4701-103J-2
RCF 1/8W 1K 5% AT
RCF 1/8W 10K 5% AT
3
2
1
1
3
1
2
2
2
1
1
2
1
2
1
1
3
3
1
1
4
2
4
2
1
2
1
8
1
1
1
2
2
1
2
1
2
2
4701-104J-2
4701-123J-2
4701-124J-C
4701-474J-C
4701-153J-2
4701-154J-2
4701-183J-2
4701-202J-2
4701-203J-2
4701-243J-2
4701-272J-2
4701-333J-2
4701-334J-2
4701-391J-2
4701-473J-2
4701-514J-2
4701-562J-2
4701-563J-2
4701-913J-2
4707-152J-2
4718-100J-C-X
4719-222J-1-X
474B-0R1J-1
474B-271J-1
4756-2036-3-15
4804-0010-2
4840-0720-0
4840-8060-2
485D-1390-5
4860-1260-5
4860-1430-5
4860-8890-0
4860-8910-0
8910-0196-0
8910-0492-0
1725-296A-0002
4860-5050-5
4860-5060-5
RCF 1/8W 100K 5% AT
RCF 1/8W 12K 5% AT
RCF 1/8W 120K 5% ATS
RCF 1/8W 470K 5% ATS
RCF 1/8W 15K 5% AT
RCF 1/8W 150K 5% AT
RCF 1/8W 18K 5% AT
RCF 1/8W 2K 5% AT
RCF 1/8W 20K 5% AT
RCF 1/8W 24K 5% AT
RCF 1/8W 2.7K 5% AT
RCF 1/8W 33K 5% AT
RCF 1/8W 330K 5% AT
RCF 1/8W 390R 5% AT
RCF 1/8W 47K 5% AT
RCF 1/8W 510K 5% AT
RCF 1/8W 5.6K 5% AT
RCF 1/8W 56K 5% AT
RCF 1/8W 91K 5% AT
RCF 1/2W 1.5K 5% AT
RMF 1W 10R 5% ATS METAL OXIDE
RMF 2W 2.2K 5% AL METAL OXIDE
RWR 5W 0.1 5% AL
RWR 5W 270R 5% AL
SVR B20K H3 NVZ6TL1 6.3X6.8 HDK
DIODE 1N4001 AT
BRIDGE 8A BR84 RECTRON
DIODE 1N4148 NS
TR BD139-10 PHILIPS HFE63-160
TR 2N3906 SAMSUNG RL
TR BD140-10 HFE 63-160
TR MPS A06 VCE 80V NS
TR MPS A56 VCE 80V NS
THERMISTOR NTH4G 10K 1% MURATA
CE 63V 12000µF 20% RL 36X45
PCB POWER AMP REV:E FC380
TR 2SC5200 T0-3P (L) TOSHIBA
TR 2SA1943 T0-3P (L) TOSHIBA
R81, 83, 110, 111, 114, 115, 116,
117, 120, 121
R145,146
R85, 88, 89, 92, 99, 100, 101,
103, 130, 137
R96,131,132
R95,109
R80
R86
R82,104,105
R90
R134,135
R98,147
R84,93
R97
R108
R136,138
R102
R106,107
R87
R91
R124,125,126
R129,133,139
R94
R140
R112,113,127,128
R141,142
R118,119,122,123
R143,144
TP1
D9,10
D11
D3,4,5,6,7,8,12,13
Q14
Q9
Q15
Q12,13
Q11,20
TH1
C59,60
11
Q17,19
Q16,18
POWERED SUBWOOFER
PARTS LIST
VOLT SELECTOR SECTION
PRINTED CIRCUIT BOARD ASSEMBLY
QTY PART NO
DESCRIPTION
LOCATION
2
1
1
14
CM 275V 0.01UF 20% RL 18X10.5
SL14-22AH (1A) SW 2P2T AC SELECTOR
PCB VOLT SELECTOR REV:C FC310C
SPADE TERMINAL 6.3X0.8 STRAIGHT
C69,70
SW2
153Z-103M-5-7T
5200-3627-0
1723-780A-0000
2101-1231-0
1, 2, 3, 4, 5, 6, L, N,
SW2-1, SW2-2, SW2-3,
SW2-4
PRE AMP & POWER AMP ASSEMBLY
QTY PART NO
DESCRIPTION
1
1
1
1
1
4
4
3
8
1402-3070-0
1403-6420-0
153Z-104M-5-7W
1725-327A-0000
1806-2415-0
2103-7001-0
2103-7101-0
2436-6501-1
2600-3005-0800
8
1
1
15
2600-5008-1000
2606-3005-0643
2606-4008-0853
2607-3009-0550
5
2
5
2
2
8
2
5
5
4
8
4
1
4
1
1
2
1
2607-4010-0704
2640-3022-0540
2640-4030-0704
2842-6213-0
2904-2608-3000
2904-3006-3000
2904-3010-3000
2904-4010-3000
2954-3008-3000
2954-3010-3000
2954-3014-3000
3100-3171-0
4133-2090-0
4135-0271-0
4153-1250-0
4153-3800-0
5120-0079-0
5200-4725-0
X'FORMER MTG. BKT
T1
REAR PANEL FC380C
T1
CM 275V 0.1µF 20% RL 18X12 PCX2 335M MD104 PILKO C63
INSULATION PCB-3
PANEL
TT-00018 TOROIDAL TRANSFORMER 15V/230V
T1
BINDING POST RED
SPK IN+
BINDING POST BLK
SPK INVOL/FREQ KNOB
VR FREQ PHAS
METAL WASHER M3X0.5X8MM ZNC
PWRM-PCB, Q16. 17,
18, 19
METAL WASHER M5X0.8X10MM YZ
SPK IN+
INT TEETH WASHER M3X0.5X6.4MM BZ
PANEL
INT TOOTH WASHER M4X0.8X8.5MM BZ
EARTH
SPRING WASHER M3X0.9X5.5MM ZNC
FOR PCB,IEC1,PWRM
PCB, Q16, 17, 18, 19,
VOLT-PCB
SPRING WASHER M4X1X7MM NI
EARTH
M3 NUT
IEC1
NUT HEX M4
EARTH,T1
METAL WASHER (6X1.0X13MM)
T1
SCREW BH M2.6X 8 MM BZ CROSS
FOR PANEL,FOR PCB
SCREW M3X6 BINDING (BLK)
PANEL,VOLT-PCB
SCREW M3X10 (BLK)
IEC1
SCREW M4X10 (BLK)
PANEL,T1
T3X8MM SELF TAPPING
H.S,RCA1
B-TITE 3X10MM (BLK.ZN)
H.S
B-TITE 3X14MM(BLK.ZN)
Q16,17,18,19
MICA SHEET A (24X20)
Q16,17,18,19
2204-3 MTG BKT
PWRM PCB
BRASS TUBE 6XM3X12MM
REAR PANEL
2209 SW COVER 1-41-112
SW1
POWER INLET SOCKET SC9F-21
IEC1
FUSE T3.15A 250V 5X20MM UR & SEMKO
IEC1
SWITCH ROCKER 2P1T
SW2
LOCATION
12
POWERED SUBWOOFER
PARTS LIST
PRE AMP & POWER AMP ASSEMBLY
CONTINUED
QTY PART NO
DESCRIPTION
LOCATION
1
1
7
2
2
2
1
1
1
HEAT SINK FC380C
HEAT SINK PLATE FC380C
PLASTIC CABLE TIE 97MM
250 T'NAL ASSY L=120MM RED
250 T'NAL ASSY L=100MM RED
250 TNAL ASSY L=100MM BROWN
RING T'NAL ASSY L=80MM G/Y
250 TNA'L ASSY L=130MM BROWN
HOUSING ASSY JP2411-8P L=100
Q16,17,18,19
HEAT SINK
T1/IEC1/SPK
IEC1
SW3
SW3
EARTH
IEC1
FOR SPK/IN
5400-3351-0
5400-3361-0
6360-0011-0
7010-2217-0
7010-2218-0
7010-2219-0
7010-2223-0
7010-2236-0
7010-2237-0
8" SPEAKER ASSEMBLY
QTY PART NO
1
8900-5760-0
DESCRIPTION
8"WOOFER F-SUB
LOCATION
POWER CORD CABLE ASSEMBLY
QTY
1
1
1
PART NO
7011-6220-0
7011-5030-0
7011-6210-0
DESCRIPTION
H05VV-F 0.75MM/3C 2M BLK
TC1490GP 3CORE CORD 1/P
SJT #18 /3C 2M BLK POWER
13
LOCATION
*EU
*UK
*US
14
N
LOZ
OUTPUT
R/F+
LOZ OUT
R/F-
!
LOZ
INPUT
RCA
R/F+
LOZ IN
R/F-
HIZ
R/F IN
RCA
LOZ
OUTPUT
L/F+
LOZ OUT
L/F-
HIZ
R/F OUT
LOZ
INPUT
RCA
L/F+
LOZ IN
L/F-
HIZ
L IN
E
L
AC 115V/230V
IEC1
IEC SOCKET
SELECT
(115V/230V)
SW3
SW-2P1T
!
U1B
PRE-AMP
U1A
PRE-AMP
+Vcc
0V
AUTO ON/OFF
BUFFER
U2B
-Vcc
ADJUSTABLE
FILTER
(50Hz-130Hz)
U3B,U4B
AUTO ON/OFF
BUFFER
U2A
CROSSOVER
FREQUENCY
(50Hz-130Hz)
U3A,U4A
T1,D11
AC/DC
POWER SUPPLY
20KBx2
VR1B
20KBx2
VR1A
VR2
20KA
INPUT
LEVEL
U12,U13
REGULATOR
AGC
U9,U10,U11
-15V
+15V
U6
HIGHT PASS FILTER
GREEN/ON
LED1
2LED
SW-2P2T
SW1A
AUTO ON/OFF
U8B
NOTCH DEPTH
U7
AUTO
RCA
RED/OFF
20KBx1
VR3
MANLIAL
HIZ
L OUT
PHASE ADJUST
(0-180)
U8A
MUTING
AMP DRIVER
Q14,Q15
OVER CURRENT/
OFF SET PROTECT
U13
CURRENT
AMPLIFIER
Q16,Q17,Q18,Q19
PROTECT
PLY1
+
-
OUT
POWERED SUBWOOFER
BLOCK DIAGRAM
CN3H
R/OUT+
HIGH
LEVEL
OUT
CN3F
R/INCN3G
R/OUT-
HIGH
LEVEL
IN
CN3E
R/IN+
C11
270p
8
7
6
5
C3
270p
R5
12K
R24
30K
C14
300uF/50V NP
R30
100K
C13
330n
R28
12K
10K
R26
R7
100K
C5
330n
C6
300uF/50V NP
C9
2u2/50V
4
3
2
LOW LEVEL IN C10
RCA1B 2u2/50V
R CHANNEL
RCA1D
H.P.OUT
CN3D
L/OUT+
HIGH
LEVEL
OUT
CN3B
L/INCN3C
L/OUT-
1
C2
2u2/50V
HIGH
LEVEL
IN
CN3A
L/IN+
RCA1A
L CHANNEL
LOW LEVEL IN
R1
30K
R31
100 1W
C12
330n
R8
100 1W
C4
330n
10K
R3
5
6
R32
100 1W
7
10K
6
5
2
3
R11
1K
R34
1K
BA4560
R33
1
BA4560
U1B
10K
R10
-15V
U1A
+15V
-15V
6K8
R14
7
BA4560
U2B
2K2
R35
6K8
R12
2K2
+15V
R37
1
VR1B
20KBx2
BA4560
U2A
3
R36
5
AUTO
104
C15
7
BA4560
U3B
LOW PASS FILTER
AUTO
-15V
1
BA4560
U3A
+15V
LOW PASS FILTER
R38
10K
2K2
6
R15
10K
R13
2K2
VR1A
20KBx2
2
C7
104
27K
R40
10K
R39
R17
27K
R16
10K
R44
10K
5
6
R41
10K
3
2
R21
10K
5
6
R18
10K
3
2
+15v
7
7
BA4560
U5B
333
C16
BA4560
U5A
1
BA4560
U4B
+15V
-15V
1
BA4560
R42
10K
C8
333
-15v
U4A
R19
10K
8
683
R4
9K1
683
R27
9K1
R29
10K
C65
R9
100 1W
R6
10K
3
2
C64
8
4
R45
27K
R43
12K
R22
27K
R20
12K
10K
R46
R23
10K
2
AUTO
Q2
9013H
Q1
9013H
R63
470
C21
100u/16V
VR2
20KAx1
1
RCA1C
4
8
8
4
R66
2K2
10K
R76
2u2/50V
R64
1.2M
C17
104
3
2
5
6
R77
56K
220K
R78
5V1
Z1
C24
470u/10V
R56
1K6
2
1
R57
390
C28
2PIN
CN5
C18
104
7
BA4560
U8B
3V3
Z3
100p
C29
100u/16V
C25
R67
68K
R65
2M2
C22
104
-15V
1
C30
C27
100n
47u/16V
C26
3
2
D2
1N4148
C19
104
R69
4K7
R68
2K2
R79
10K
AUTO ON/OFF
SW1
SW2P2T
7
+15V
-15V
3
2
1
15V/IN
Q5
9013H
LED1
DUAL/LED
R72
4K7
R60 VR3
10K 10KBx1
Q6
9013H
R74
470
R73
1K
2PIN
CN4'
3
10K
Q7
9012H
1
2
-15V
1
BA4560
U8A
+15V
R62
2
7
BA4560
U6B
R61
5
6
R55
27K
10K
R53
2K2
C23
10u/25V
R54
30K
R52
15K
R71 Z2
1K 5V1
CN2
C20
104
D1
1N4148
R70
10K
BA4560
Q4
9012H
+15V
5
4K7
4K7
U7B
R59
R58
6
HIGHT PASS FILTER
Q3
9012H
-15V
1
BA4560
U6A
+15V
R51
27K
NOTCH DEPTH
10u/25V
BA4560
U7A
+15V
R50
30K
R49
2K2
R48
15K
8
4
CN4
2PIN
8
4
4
8
4
8
4
C1
2u2/50V
AUTO
15
MANLIAL
3
2
1
CN6
2PIN
2
AF/OUT
CN1
1
H.P.OUT
POWERED SUBWOOFER
SCHEMATICS DIAGRAMS
Pre Amp Schematic
R146
1K
CN6'
2PIN
1
2K
R147
2
10K
TH1
10K
C36
330n
R100
100p
C64
10K
R101
-15V
TP1
2
3
+15V
3
2
1
CN2
R103
10K
47p
C38
+15V
TL072
-15V
102
C37
330K
R102
3
2
U12A
R83
100
R82
15K
15V/OUT
R81
100
R80
120K
-15V
20KB
+15V
AF/IN
AF/IN
3
2
1
1
-15V
100p
C40
15K
R105
15K
R104
100p
C39
AGC
R84
20K
U9
D6
1N4148
D7
1N4148
R107
390
R109
12K
R108
2K7
R106
390
Q9
3906
CA3080N
1 R85
10K
+15V
47K
R87
Q13
A06
Q12
A06
Q11
A56
470P
C32
R88 6
10K
5
R86
470K
150n
C31
R111
100
R110
100
3
2
10K
R89
7
R90
150K
C43
680p
C41
2u2/50V
1
C45
100u/63V
Q15
BD140
R113
10/1W
R112
10/1W
Q14
BD139
C44
100u/63V
-Vcc
1K
R145
+Vcc
R114
100
R116
100
R92
10K
C35
104
TL062
U11B
D4
2u2/50V
C66
D5
R128
10/1W
C47
224
10/1W
R127
12T
L1
R125
5K6
5K6
R124
1N4148
7
1N4148
1
7
AC2
AC0
AC1
56K
R129
-Vcc
R131
100K
R126
5K6
C61
4700p/100V
C53
100n
R130
56K
C56
2
FUSE
R135
18K
+Vcc
R133
56K
T1
TT-00018
1
C55
220u/16V
220u/16V
C49
47u/35V
Q20
A56
C50
10u/25V
C48
1u/50V
100K
R132
8
4700p/100V
C62
7
6
-15V
C54
200n
GND
SIGNAL GND
+15V
18K
R123
r1/5W
R122
r1/5W
10K
R99
R96
100K
-15V
U11A
TL062
+15V
TL072
U12B
R134
R121
100
Q19
2SC5200
Q18
2SA1943
R120
100
5
6
R95
12K
2
3
5
6
1
100
R119
r1/5W
R118
r1/5W
R98
2K
24K
R97
91K
R94
-15V
1N4148
D13
100p
2
R117
R115
100
Q17
2SC5200
Q16
2SA1943
20K
R93
C34
1u/50V
1N4148
D3
+15V
TL062
U10A
-15V
R91
510K
C42
680p
TL062
U10B
C33
470P
4
8
CN1
4
8
8
7
5
4
6
8
4
CN5'
2PIN
U15
7915
R138
33K
TA7317P
U13
6
115V
D8
1N4148
R136
33K
!
230V
-15V
+15V
U14
7815
AF/IN
1
2
3
4
5
8
GND
10K
C51
D9
1N4001
SW 2P2T
SW2A
SW2B
Vin
Vin
u47/50V
R137
GND
C65
9
4
+15V
3
5
16
7
D12
1N4148
R139
56K
RELAY
RLY1
R140
1K5 1/2W
SW3B
SW-2P1T
C70
10n/275Vac
SW3A
SW-2P1T
C69
10n/275Vac
R144
270/5W
R142
2K2/2W
R141
2K2/2W
R143
270/5W
C58
104
C57
104
SPK
C52
47u/63V
-Vcc
+Vcc
AC0
D10
AC2
V
N
V
IEC1
L
AC1
IEC SOCKET
E
C63 100n/275Vac
AC 115V/230V
F1
T3.15AL/250V !
1N4001
!
C60
12000u/63V
C59
12000u/63V
D11
8R4
POWERED SUBWOOFER
SCHEMATICS DIAGRAMS
Power Amp Schematic
POWERED SUBWOOFER
PCB LAYOUT
Voltage Selector PCB Component Side
Pre Amplifier PCB Component Side
Power Amplifier PCB Component Side
17
POWERED SUBWOOFER
EXPLODED VIEW DIAGRAMS
12
3
45
67
8
26
5
8
24
CN
4
6
CN
1
CN
2
8
9
CN
3
10
8
7
9
M
10
8
9
10
8
9
L
10
8
9
11
N
CN
1
CN
2
13
9
CN
4
8
CN
7
7
3
9 8
24
10
12
10
25
1
L(Y)
M(BLK)
N(Y)
10
3
5
7
15
2
4
27
14
16
6
A(RED)
B(GRAY)
7
8
C(BLUE)
22
15
D(GRAY)
20
8
17
A
22
20
22
20
D
C
E
J
4
3
2
18
23
8
GND
J(GRAY)
GND
1
F(GRAY)
G(RED)
19
F
18
18
1721
K(GRAY)
19
I
8
G
18
18
I(RED)
H(RED)
B
E(BLUE)
15
17
17
K
H
15
17
18
REF
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
26
27
18
DESCRIPTION
REAR PANEL
TRANSFORMER BRACKET
BRASS TUBE 6*M3*12
VOLTAGE PCB
PRE AMP PCB
POWER AMP PCB
T3*8MM SELF TAPPING
SPRING WASHER M3*0.9*5.5MM
METAL WASHER M3*0.5*8MM
M3*14MM B-TITE (BLK.Zn)
HEATSINK
HEATSINK PLATE
INSULATION PCB-3
INT TEETH WASHER M3*0.5*6.4MM
B-TITE 3*10MM (BLK.Zn)
VOL/FREQ KNOB
SCREW M4*10 (BLK)
SCREW M3*6 BINDING (BLK)
SCREW M3*10 (BLK)
NUT HEX M4
INT TOOTH WASHER M4*0.8*8.5MM
SPRING WASHER M4*1*7MM NI
M3 NUT
METAL WASHER M5*0.8*10MM
SCREW BH M2.6*8MM BZ CROSS
MTG BRACKET
TRANSFORMER
PARTS NO.
1403-6420-0
1402-3070-0
4135-0271-0
1723-780A-0000
1725-296A-0000
1725-296A-0000
2954-3008-3000
2607-3009-0550
2600-3005-0800
2954-3014-3000
5400-3351-0
5400-3361-0
1725-327A-0000
2606-3005-0643
2954-3010-3000
2436-6501-1
2904-4010-3000
2904-3006-3000
2904-3010-3000
2640-4030-0704
2606-4008-0853
2607-4010-0704
2640-3022-0540
2600-5008-1000
2904-2608-3000
4133-2090-0
1806-2415-0
QTY
1
1
4
1
1
1
5
15
8
8
1
1
1
1
4
3
5
8
2
5
1
5
2
8
2
1
1
POWERED SUBWOOFER
EXPLODED VIEW DIAGRAMS
PSW2000 Packing Exploded View
7
10
8
1
6
2
3
4
9
5
11
REF
1
2
3
4
5
6
7
8
9
10
11
DESCRIPTION
P.FOAM FOR PSW1000/S8
CABINET FOR EGG GRAY
P.BAG 400*450*600
M.BOX FOR PSW2000
UPC LABEL FOR PSW2000 (EU)
UPC LABEL FOR PSW2000 (UK)
UPC LABEL FOR PSW2000 (US)
P.BAG 10'*12' W/ES GREEN
MANUAL FOR PSW2000
W.CARD KAL926EFG REG
VOLTAGE LABEL FOR PSW2000
P.BAG 10'*14' W/ES GREEN
BARCODE S/N LABEL
PARTS NO.
1490-7343-0
1403-4400-0
1497-4642-0
145A-6510-0
3000-6621-0
3000-6623-0
3000-6622-0
1497-4102-0
4301-5166-0
4301-6016-0
3000-6628-0
1497-4122-0
3000-6333-0
19
QTY
4
1
1
1
1
1
1
1
1
1
1
1
1
KEF AUDIO (UK) Limited,
Eccleston Road, Tovil, Maidstone, Kent, ME15 6QP UK
Telephone: +44 (0) 1622 672261 Fax: +44 (0)1622 750653
KEF America.
10, Timber Lane, Marlboro, New Jersey. 07746. USA.
Telephone: +00 (1) 732 683 2356 Fax: +00 (1) 732 683 2358
www.kef.com
Aug, 2002
P/N: PSW2000-SM00A