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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 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

Main Magnet Bucking Magnet

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
1) CONTINUOUS POWER (@ 90Hz, 0.1% THD) THD (@90Hz 110W ) CLIPPING POWER (Output 1% THD @ 90Hz ) INPUT SENSITIVITY @ 120W 4 ohm 70Hz LINE . INPUT VOL . Max SPK . INPUT VOL . Max S/N @ 12W 75Hz @ 120W 75Hz ( A-WEIGHT, LINE INPUT ) LOW PASS FILTER @ 75Hz Freq VOL Set to Max. Low -3dB Freq VOL Set to Max. Upper -3dB LOW PASS FILTER @ 60Hz Freq VOL Set to Min. Low -3dB Freq VOL Set to Min. Upper -3dB LOW PASS FILTER ROLL-OFF Freq VOL Set to Max. LOW PASS FILTER ROLL-OFF Freq VOL Set to Min. Typical 120 LIMIT 115 UNIT W

2) 3)

0.08

0.09

%

125

120

W

4)

95 0.8 90 100

+/-10% +/-10% 85 95

mV V dB dB

5)

6)

50 115

+/-10% +/-10%

Hz Hz

7)

45 80

+/-10% +/-10%

Hz Hz

8)

22

+/-2

dB

9)

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. 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) LINE OUTPUT LINE IN @ 1KHz 1V INPUT ( 0 dB O/P Ref ) Freq VOL Set to Max. 3

170 70

+/-10% +/-10%

Hz Hz

12 18

+/-2 +/-2

dB dB

1.2

+/-10%

V

POWERED SUBWOOFER

SPECIFICATIONS
13) SPEAKER OUTPUT HI PASS FILTER -3dB ( SPEAKER IN @1KHz ) @ 4 ohm Load 14) SPEAKER OUTPUT HI PASS FILTER ROLL-OFF SPEAKER IN @ 1KHz @ 4 ohm Load ( 0dB 1W 0/P Ref ) 15) INPUT IMPEDANCE RCA SPEAKER 130 +/-10% Hz

7

+/-1

dB

25K 200 2.5 50 0- 180

15K +/-10 +/-1 40 0-170

OHM OHM mV Min Degree

16) AUTO TURN ON LEVEL 17) AUTO OFF DELAY TIME 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

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

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
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

DESCRIPTION
CC 50V 100PF 10% RL 5X3 CC 50V 0.1µ 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

LOCATION
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 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

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

POWERED SUBWOOFER

PARTS LIST
PRE AMP SECTION PRINTED CIRCUIT BOARD ASSEMBLY CONTINUED QTY PART NO
2 2 1 1 1 2 2 1 4701-123J-2 4701-912J-2 7010-2221-0 7010-2222-0 7011-3240-0 7011-4570-0 8910-0042-0 1725-296A-0002

DESCRIPTION

LOCATION

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

POWER AMP SECTION PRINTED CIRCUIT BOARD ASSEMBLY QTY PART NO
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 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

DESCRIPTION
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" 10

LOCATION
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

POWERED SUBWOOFER

PARTS LIST
POWER AMP SECTION PRINTED CIRCUIT BOARD ASSEMBLY CONTINUED QTY PART NO
10 2 10 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 4701-101J-2 4701-102J-2 4701-103J-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

DESCRIPTION
RCF 1/8W 100R 5% AT RCF 1/8W 1K 5% AT RCF 1/8W 10K 5% AT 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

LOCATION
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 Q17,19 Q16,18

11

POWERED SUBWOOFER

PARTS LIST
VOLT SELECTOR SECTION PRINTED CIRCUIT BOARD ASSEMBLY QTY PART NO
2 1 1 14 153Z-103M-5-7T 5200-3627-0 1723-780A-0000 2101-1231-0

DESCRIPTION
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

LOCATION
C69,70 SW2 1, 2, 3, 4, 5, 6, L, N, SW2-1, SW2-2, SW2-3, SW2-4

PRE AMP & POWER AMP ASSEMBLY QTY PART NO
1 1 1 1 1 4 4 3 8 8 1 1 15 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 2600-5008-1000 2606-3005-0643 2606-4008-0853 2607-3009-0550

DESCRIPTION

LOCATION

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 12

POWERED SUBWOOFER

PARTS LIST
PRE AMP & POWER AMP ASSEMBLY CONTINUED QTY PART NO
1 1 7 2 2 2 1 1 1 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

DESCRIPTION
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

LOCATION
Q16,17,18,19 HEAT SINK T1/IEC1/SPK IEC1 SW3 SW3 EARTH IEC1 FOR SPK/IN

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 LOCATION *EU *UK *US

13

RCA

HIZ L OUT

RCA AGC U9,U10,U11 U6 20KBx1 VR3 HIGHT PASS FILTER NOTCH DEPTH U7 PROTECT PLY1 PHASE ADJUST (0-180) U8A AMP DRIVER Q14,Q15 CURRENT AMPLIFIER Q16,Q17,Q18,Q19

HIZ L IN

PRE-AMP

+ OUT

POWERED SUBWOOFER

BLOCK DIAGRAM

U1A

20KBx2 VR1A

CROSSOVER FREQUENCY (50Hz-130Hz) U3A,U4A

L/F+ LOZ IN L/FOVER CURRENT/ OFF SET PROTECT U13

LOZ INPUT

L/F+ LOZ OUT L/FAUTO ON/OFF U8B

LOZ OUTPUT

AUTO ON/OFF BUFFER U2A

MUTING

SW1A AUTO MANLIAL RED/OFF

RCA SW-2P2T

HIZ R/F OUT LED1 2LED GREEN/ON INPUT LEVEL VR2 20KA

14
ADJUSTABLE FILTER (50Hz-130Hz) U3B,U4B AUTO ON/OFF BUFFER U2B +Vcc 0V -Vcc

RCA

HIZ R/F IN

PRE-AMP

U1B

20KBx2 VR1B

R/F+ LOZ IN R/F-

LOZ INPUT

R/F+ LOZ OUT R/F-

LOZ OUTPUT

!
+15V -15V

!

AC/DC POWER SUPPLY
REGULATOR U12,U13 T1,D11

SELECT (115V/230V) SW3 SW-2P1T

N

E

L AC 115V/230V IEC1 IEC SOCKET

R48 15K R55 27K CN4 2PIN C7 104 R16 10K R19 10K 1 2 +15V 8 6 5 BA4560 BA4560 4 C17 104 -15V HIGHT PASS FILTER CN5 1 2 R22 27K R58 4K7 -15V 4 8 U7B U7A 1 3 BA4560 4 BA4560 R60 VR3 10K 10KBx1 CN4' 2 1 NOTCH DEPTH 2PIN 1 2 3 +15V Q7 9012H AF/OUT CN1 R56 1K6 -15V -15V 4 5 7 3 BA4560 6 U2A 1 AUTO 2K2 BA4560 5 BA4560 +15V R21 10K R12 2K2 LOW PASS FILTER R57 390 C22 104 8 C21 100u/16V R13 7 6 U4B R23 10K 2 +15V C23 10u/25V 2 4K7 R59 2PIN R61 10K R62 10K +15V 8 U8A 1 1 2 CN6 2PIN R50 30K R54 30K U6B 7 2 1 3 U6A C19 104 R53 2K2 C20 104 C18 104 R49 2K2 +15v 2 1 3 +15V 8 R14 2 1 3 BA4560 R15 10K -15V R17 27K C8 333 4 VR1A 20KBx2 R18 10K U3A -15v 6K8 4 BA4560 VR2 20KAx1 8 U4A R20 12K

R51 27K

R52 15K

H.P.OUT

RCA1C

C1 2u2/50V

C64

683

R1 30K

R3

R4 9K1

10K

+15V

Pre Amp Schematic

L CHANNEL LOW LEVEL IN

RCA1A

C2 2u2/50V

POWERED SUBWOOFER

R5 12K

C4 330n

2

8

U1A

1

3

BA4560

C3 270p

-15V

C5 330n

R6 10K

CN3A L/IN+

1

R7 100K

R10

4

3

HIGH LEVEL IN

10K

2

2

SCHEMATICS DIAGRAMS

CN3B L/INCN3C L/OUT-

3

HIGH LEVEL OUT

R8 100 1W

R9 100 1W

CN3D L/OUT+

4

R11 1K

C6 300uF/50V NP

8

BA4560 5 BA4560 R38 10K R45 27K R40 27K 333 6 AUTO 5 BA4560 7 R46 10K U5B C16 Q2 9013H

6K8 VR1B 20KBx2 R41 10K

100u/16V C27 100n R69 4K7 SW1 SW2P2T D1 1N4148 LED1 DUAL/LED AUTO ON/OFF -15V CN2 C29 100p C28 R78 2u2/50V 220K Z3 D2 1N4148 R79 10K C30 10u/25V +15V 1 2 3 15V/IN

C11 270p

C13 330n

R29 10K

CN3E R/IN+ U2B 7 BA4560 R35 2K2 LOW PASS FILTER R44 10K 2K2 R36

5

R30 100K

HIGH LEVEL IN

R33

5

6

10K

6

CN3F R/INCN3G R/OUT-

7

HIGH LEVEL OUT

AUTO 3V3 R77 56K 6 R76 10K 5 BA4560 U8B 7

CN3H R/OUT+

8

R31 100 1W

R32 100 1W

C14 300uF/50V NP

R34 1K

MANLIAL

R28 12K 6 4 7 -15V U3B R66 2K2

5

Q1 9013H

5V1

AUTO

15
R64 1.2M R65 2M2 C15 R39 10K +15V 2 1 3 BA4560 C25 Z1 U5A R67 68K C26 47u/16V R68 2K2 R63 470 R42 10K C24 470u/10V Q3 9012H Q5 9013H R72 4K7 Q6 9013H R43 12K Q4 9012H R70 10K R71 Z2 1K 5V1 R73 1K 104 R74 470

H.P.OUT

RCA1D

C9 2u2/50V

C65

683

R24 30K

R26

R27 9K1

10K

R CHANNEL

LOW LEVEL IN C10 RCA1B 2u2/50V

6

U1B

C12 330n

7

R37

+15V C65 +Vcc V R141 2K2/2W C57 104 C59 12000u/63V AC1 6 1 100p 5 C53 100n 220u/16V SIGNAL GND +15V 8 -15V GND 1 D4 1 2 TL062 4 R144 270/5W Vin -Vcc R95 12K -15V U15 7915 R96 100K R145 1K U10B 7 TL062 R90 150K 10K 6 D5 7 5 TL062 2 C62 R91 510K C34 1u/50V AC2 8 SW3B SW-2P1T +Vcc R116 100 R118 r1/5W R126 5K6 R124 Q11 A56 R125 5K6 Q16 2SA1943 L1 12T R132 C41 2u2/50V 10/1W R113 10/1W C47 224 Q17 2SC5200 Q19 2SC5200 1 R129 R115 100 R121 100 R128 10/1W 56K 4 5 R130 56K C50 10u/25V 7 2 TA7317P C51 u47/50V R119 r1/5W R117 C45 100u/63V 100 -Vcc R123 r1/5W R134 18K R138 33K R139 56K Q13 A06 Q15 BD140 R131 100K C48 1u/50V R127 100K R133 56K C49 47u/35V D8 1N4148 R137 8 9 3 10K U13 6 SPK RELAY Q18 2SA1943 R114 100 R120 100 5K6 Q20 A56 R135 18K R122 r1/5W 4700p/100V R98 2K 1 SW 2P2T SW2A 1N4148 AC0 7 3 115V SW2B 1N4148 -Vcc 24K R97 U11B C61 4700p/100V 230V SW3A SW-2P1T 4 D3 R92 10K AC1 R89 10K R99 T1 TT-00018 5 R88 6 10K 5 C32 470P 6 FUSE -15V -15V GND 1N4148 220u/16V C54 200n C58 104 C60 12000u/63V C56 3 TL062 +Vcc 91K 8 +15V R94 3 U11A R142 2K2/2W AC2 AC0 C55 GND TL072 C35 104 D13 1N4148 4 C33 470P -15V 2 U10A R86 470K 2u2/50V 2 7 +15V +15V Vin U12B C66 U14 7815 R143 270/5W

CN5' 2PIN

CN1 C31 R93 20K 150n

D12 1N4148

1

R87

2

47K

3

AF/IN

D11 8R4

AF/IN

+15V

R82 15K

+15V

POWERED SUBWOOFER

TP1

R80 120K

2

Power Amp Schematic

20KB

3

8 7

U9

CA3080N 1 R85 10K

-15V

5 4 6

-15V

R81 100

R83 100

R84 20K

!

C69 10n/275Vac

!

F1 T3.15AL/250V ! AC 115V/230V C63 100n/275Vac

Q9 3906

AGC

SCHEMATICS DIAGRAMS

-15V

CN2

IEC1 C70 10n/275Vac N E L

1

2

3

IEC SOCKET

+15V

15V/OUT

100p R112 10/1W Q12 A06

3

4

R147

+15V

2K

R146 1K

TH1 10K

C38

8

1

2

16
R110 100 C42 680p C44 100u/63V AF/IN Q14 BD139 R136 33K R111 100 C43 680p

R102

330K

D6 1N4148

D10 V 1N4001 R140 1K5 1/2W RLY1 C52 47u/63V

R101

C37

10K

102

C39

R106 390

C64

-15V

100p

U12A

R100

1

R104

D9 1N4001

2

10K

TL072

15K

R108 2K7

R105

R109 12K

47p

15K

C40

CN6' 2PIN

100p

C36 330n

R103 10K

R107 390

D7 1N4148

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 CN 3

8 9

7 9

10 8

M L

10 8 9

10 8 9

11
N
CN 1 CN 2

10 8 9 7 7 9 8

13
CN 4 CN 3

9

8

24 10 12

10
1 3 5 7

25

10

L(Y) M(BLK) N(Y)

2 4 6 8

15 16

14 7 20

27
A(RED) B(GRAY) C(BLUE) D(GRAY)

15 17 15 17 17 18 18 17
K(GRAY) J(GRAY)

22

8
A H

18
K B I

E(BLUE)

F

15
G D C E

18 8 20 22
J

18 22 20

4 3

1721

2 18 23 8

GND

I(RED) H(RED)

GND

19 19

1
F(GRAY) G(RED)

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

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

18

POWERED SUBWOOFER

EXPLODED VIEW DIAGRAMS
PSW2000 Packing Exploded View
7 10 8

1

2

6

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

QTY 4 1 1 1 1 1 1 1 1 1 1 1 1

19

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