KEF PSW-2010 Service manual

CONTENTS

PARTS LIST:

PRE AMPLIFIER BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3

POWER AMPLIFIER BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-5

VOLTAGE SELECTOR BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

PRE AMP AND POWER AMP ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

10” SPEAKER ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

POWER CORD CABLE ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9-10

PCB LAYOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-12

Issue 1

Jun.28, 2003

SERVICE MANUAL

POWERED SUBWOOFER

2

POWERED SUBWOOFER

PARTS LIST

PRE AMP SECTION

PRINTED CIRCUIT BOARD ASSEMBLY

QTY PART NO DESCRIPTION LOCATION

12 150F-101K-5-IEA CC 50V 100P 10% RL 5X3 C1,2,3,6,7,8,9,10,20,33,36,81
3 150F-104M-N-FD CC 50V 0.1U 20% RLF C25,37,38
1 153H-104K-5-QUA CM 100V 0.1U 10% RL 9x11 CENTRALAB C42
2 153I-224J-9-NL CM 63V 0.22U 5% RB 7.5x 6.5 C26,41
5 153I-683K-9-NL CM 63V 0.068U 10% RB 7. 5x6.5 C27,34,35, 39,40
4 153I-684K-5-IN CM 63V 0.68U 10% RL 5X7.5 C43,44,45,46
4 153I-823J-9-NL CM 63V 0.082U 5% RB 7.5X6.5 C14,15,17, 18
1 157D-107M-5-KW CE 16V 100U 20% RL 6x12 C23
2 157D-476M-5-IU CE 16V 47U 20% RL 5x11 C24,2A
1 157D-477M-5-OVK CE 16V 470U 20% RL 8X11.5 ELNA C22
1 157E-106M-5-IU CE 25V 10U 20% RL 5x11 C21
4 157F-225M-5-IU CE 50V 2.2U 20% RL 5x11 C11,13,16,19
4 4701-102J-2 RCF 1/8W 1K 5% AT R4,14,87,89
12 4701-103J-2 RCF 1/8W 10K 5% AT R2, 6, 9, 12, 16, 19, 23, 27, 28,

77, 78, 86
8 4701-104J-2 RCF 1/8W 100K 5% AT R65,66,69,70,140,141,142,143
3 4701-123J-2 RCF 1/8W 12K 5% AT R54,60,73
2 4701-125J-C RCF 1/8W 1.2M 5% ATS R75,80
2 4701-153J-2 RCF 1/8W 15K 5% AT R59,139
4 4701-163J-2 RCF 1/8W 16K 5% AT R57,58,62,64
4 4701-202J-2 RCF 1/8W 2K 5% AT R1,5,11,15
2 4701-203J-2 RCF 1/8W 20K 5% AT R10,20
4 4701-222J-2 RCF 1/8W 2.2K 5% AT R21,22,83,84
6 4701-223J-2 RCF 1/8W 22K 5% AT R3,7,13,17, 55,61
1 4701-225J-2 RCF 1/8W 2.2M 5% AT R81
1 4701-273J-2 RCF 1/8W 27K 5% AT R71
2 4701-303J-2 RCF 1/8W 30K 5% AT R8,18
1 4701-332J-2 RCF 1/8W 3.3K 5% AT R25
1 4701-333J-2 RCF 1/8W 33K 5% AT R72
1 4701-334J-2 RCF 1/8W 330K 5% AT R26
1 4701-392J-2 RCF 1/8W 3.9K 5% AT R24
2 4701-471J-2 RCF 1/8W 470R 5% AT R79,90
2 4701-472J-2 RCF 1/8W 4.7K 5% AT R85,88
1 4701-563J-2 RCF 1/8W 56K 5% AT R76
1 4701-683J-2 RCF 1/8W 68K 5% AT R82
3 4701-752J-2 RCF 1/8W 7.5K 5% AT R56,63,68

3

POWERED SUBWOOFER

PARTS LIST

PRE AMP SECTION

PRINTED CIRCUIT BOARD ASSEMBLY

(CONTINUED)

QTY PART NO DESCRIPTION LOCATION

1 4701-753J-2 RCF 1/8W 75K 5% AT R74
1 4701-822J-2 RCF 1/8W 8.2K 5% AT R67
1 2101-9790-0 4RCA JACK HSP-204V-03 GP RCA1
10 3131-6140-0 IC BA4560 ROHM U1,2,3,4,5,6,7,8,9,15
1 3700-4536-RG L-115W EGW/209EGW RED/GR ELE-LED02 LED1
1 4750-5520-0 VR 20KAX1 VR16N20K15A20K L=15MM VR1
1 4751-0056-0

VR 50KBX2 VR16G20K15B50K L=15MM ALPHA

VR3
1 4751-0066-0 VR 100KBX4 10% ALPHA VR2
1 4837-3V36-2 DZ 1/2W +-5% 3.3V TEMIC AT Z1
2 4837-5V16-2 DZ 1/2W 5.1V "TEMIC" AT Z2,3
10 4840-8060-2 DIODE 1N4148 NS D1,2,3,4,5,6,7,8,9,20
3 4860-2250-5 TR 9012H MICRO Q3,4,7
4 4860-8720-5 TR 9013H SAMSUNG Q1,2,5,6
4 5200-3281-0-06 SW COMAX SK-22D01-SG6-T-NS-IK SW1,2,3,4
1 7010-2221-0 3 PIN SHIELD WIRE ASSY L=130MM CN1A
1 7010-2222-0 3 PIN FLAT CABLE ASSY L=100MM CN2A
2 7011-4570-0

AMP108U AWG26 180MM BRWN NALX2 1-51-274

CN5,6
1 7012-6517-0 CONN WIRE UL1007 #20 L=170MM 3PIN CN7
1 1725-653A-0000 PCB PRE PSW2500 D/S FR4 94V0 REV:B

POWER AMP SECTION

PRINTED CIRCUIT BOARD ASSEMBLY

QTY PART NO DESCRIPTION LOCATION

4 150F-101K-5-IEA CC 50V 100P 10% RL 5X3 C39,40,64,65
2 150F-104M-N-FD CC 50V 0.1U 20% RLF C53,54
1 150F-334M-N-JJA CC 50V 0.33U 20% RLF MO NO C36
1 150F-470K-5-GGA CC 50V 47P 10% RL MONO C38
2 150F-471K-5-IEA CC 50V 470P 10% RL 5x3 C32,33
2 150F-681J-5-OI CC 50V 680P 5% RL 8X5 C42,43
1 153H-102K-5-INA CM 100V 0.001U 10% RL 5x7.5 C37
5 153H-104K-5-QUA

CM 100V 0.1U 10% RL 9x11 CENTRALAB

C57,58,61,62,68
1 153I-105K-9-NL CM 63V 1U 10% RB 7.5x6. 5 C31

4

POWERED SUBWOOFER

PARTS LIST

POWER AMP SECTION

PRINTED CIRCUIT BOARD ASSEMBLY

(CONTINUED)

QTY PART NO DESCRIPTION LOCATION

1 153I-224K-9-NOA CM 63V 0.22U 10% RB 7.5X8 C47
2 157D-227M-5-KW CE 16V 220U 20% RL 6x12 C55,56
1 157D-476M-5-IU CE 16V 47U 20% RL 5x11 C50
2 157F-105M-5-IU CE 50V 1U 20% RL 5x11 C34,48
2 157F-225M-5-IU CE 50V 2.2U 20% RL 5x11 C41,66
1 157F-474M-5-IU CE 50V 0.47U 20% RL 5x11 C51
2 157I-107M-5-SX CE 63V 100U 20% RL 10x12.5 C44,45
1 157I-476M-5-OV CE 63V 47U 20% RL 8x11.5 C52
1 157Q-476M-5-LUA CE 35V 47U 20% RL 6.5X11 ELNA C49
2 8910-0492-0 CE 63V 12000uF 20% RL 35X45 C59,60
10 4701-101J-2 RCF 1/8W 100R 5% AT R81, 83, 110, 111, 114, 115, 116,

117, 120, 121
2 4701-102J-2 RCF 1/8W 1K 5% AT R145,146
9 4701-103J-2 RCF 1/8W 10K 5% AT R85,87,88,89,92,99,100,101,137
4 4701-104J-2 RCF 1/8W 100K 5% AT R80,96,131, 132
2 4701-123J-2 RCF 1/8W 12K 5% AT R95,109
3 4701-153J-2 RCF 1/8W 15K 5% AT R82,104,105
1 4701-154J-2 RCF 1/8W 150K 5% AT R90
2 4701-183J-2 RCF 1/8W 18K 5% AT R134,135
2 4701-202J-2 RCF 1/8W 2K 5% AT R98,147
2 4701-203J-2 RCF 1/8W 20K 5% AT R84,93
2 4701-272J-1 RCF 1/8W 2.7K 5% AL R87,108
2 4701-333J-2 RCF 1/8W 33K 5% AT R136,138
1 4701-334J-1 RCF 1/8W 330K 5% AL R102
2 4701-391J-2 RCF 1/8W 390R 5% AT R106,107
1 4701-514J-2 RCF 1/8W 510K 5% AT R91
2 4701-562J-2 RCF 1/8W 5.6K 5% AT R124,126
4 4701-563J-2 RCF 1/8W 56K 5% AT R129,130,133,139
1 4701-682J-2 RCF 1/8W 6.8K 5% AT R103
1 4701-913J-2 RCF 1/8W 91K 5% AT R94
1 4707-152J-2 RCF 1/2W 1.5K 5% AT R140
1 4711-105A-2 RMF 1/8W 1M 1% AT R86
1 4711-273A-2 RMF 1/8W 27K 1% AT R97
4 4718-100J-C-X RMF 1W 10R 5% ATS METAL OXIDE R112,113,127,128
4 4719-222J-1-X RMF 2W 2.2K 5% AL METAL OXIDE R141,142,148,149