KEF PSW 2000 User manual
SERVICE MANUAL
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
POWERED SUBWOOFER
2
SPECIFICATIONS
System Specifications
Frequency Response 70-20K Hz
Sensitivity 85+/-2dB
Power Handling 70W Max
Dimension (W x D x H) 198 x 130 x 150 mm
Weight 2.1kg
HF 12mm (0.5") tweeter
LF 100mm (4")
Crossover Frequency 3KHZ
Impedance 4 OHM
Woofer Specifications
Rated Impedance 3.8 ohms +/- 0.8 at 1V 500 Hz
Voice coil DCR 3 +/-0.15 ohm
Sweep Test Sine Wave 4V at 20-20K Hz
Resonant Frequency (Fo) 65 +/- 15 Hz
Sensitivity 85 dB/W/m
Rated Power Input 30W
Maximum Power Input 60W
Power Test 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)
Main Magnet Ø74 x Ø38 x 15mm
Bucking Magnet Ø55 x Ø26 x 9mm
Tweeter Specifications
Rated Impedance 4+/-0.8 OHM at 1V 5K Hz
Voice coil DCR 3.2 +/-0.16 OHM
Sweep Test Sine Wave 1 V at 500-20K Hz
Resonant Frequency (Fo) 2500 +/- 240 Hz
Sensitivity 89 +/-2dB/W/m
Frequency Response Fo - 20K Hz
Rated Power Input 30W
Main Magnet Ø10 x 2mm
Magnet Material N35
3
POWERED SUBWOOFER
SPECIFICATIONS
Subwoofer Specifications
Typical LIMIT UNIT
1) CONTINUOUS POWER 120 115 W
(@ 90Hz, 0.1% THD)
2) THD (@90Hz 110W ) 0.08 0.09 %
3) CLIPPING POWER
(Output 1% THD @ 90Hz ) 125 120 W
4) INPUT SENSITIVITY
@ 120W 4 ohm 70Hz
LINE . INPUT VOL . Max 95 +/-10% mV
SPK . INPUT VOL . Max 0.8 +/-10% V
5) S/N @ 12W 75Hz 90 85 dB
@ 120W 75Hz 100 95 dB
( A-WEIGHT, LINE INPUT )
6) LOW PASS FILTER @ 75Hz
Freq VOL Set to Max. Low -3dB 50 +/-10% Hz
Freq VOL Set to Max. Upper -3dB 115 +/-10% Hz
7) LOW PASS FILTER @ 60Hz
Freq VOL Set to Min. Low -3dB 45 +/-10% Hz
Freq VOL Set to Min. Upper -3dB 80 +/-10% Hz
8) LOW PASS FILTER ROLL-OFF
Freq VOL Set to Max. 22 +/-2 dB
9) 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. 170 +/-10% Hz
Freq VOL Set to Min. 70 +/-10% Hz
11) LINE OUTPUT @1V INPUT
HI PASS FILTER ROLL-OFF
LINE IN @ 1KHz
( 0 dB O/P Ref )
Freq VOL Set to Max. 12 +/-2 dB
Freq VOL Set to Min. 18 +/-2 dB
12) LINE OUTPUT
LINE IN @ 1KHz 1V INPUT
( 0 dB O/P Ref )
Freq VOL Set to Max. 1.2 +/-10% V
POWERED SUBWOOFER
4
SPECIFICATIONS
13) SPEAKER OUTPUT
HI PASS FILTER -3dB 130 +/-10% Hz
( SPEAKER IN @1KHz )
@ 4 ohm Load
14) SPEAKER OUTPUT
HI PASS FILTER ROLL-OFF 7 +/-1 dB
SPEAKER IN @ 1KHz
@ 4 ohm Load
( 0dB 1W 0/P Ref )
15) INPUT IMPEDANCE RCA 25K 15K OHM
SPEAKER 200 +/-10 OHM
16) AUTO TURN ON LEVEL 2.5 +/-1 mV
17) AUTO OFF DELAY TIME 50 40 Min
18) PHASE ADJUSTABLE 0- 180 0-170 Degree
@ 75-85Hz 10V O/P 0 Degree Ref:
PHASE VOL SET Min to Max
19) HUM & NOISE ( 17Hz -17KHz Filter ) 3 5 mV
1OK OHM LOAD @ INPUT
LEVEL VOL SET to Max
FREQ VOL & PHASE VOL SET to min
20) Current Consumption
UL 115 Vac @ 120W OUTPUT 2.0 2.5 A
@ IDLE .07 .09 A
CE 230 Vac @ 120W OUTPUT 1.5 2.0 A
@ IDLE .04 .06 A
UK 230 Vac @ 120W OUTPUT 1.5 2.0 A
@ IDLE .04 .06 A
5
POWERED SUBWOOFER
SPECIFICATIONS
POWERED SUBWOOFER
6
SPECIFICATIONS
7
POWERED SUBWOOFER
SPECIFICATIONS
POWERED SUBWOOFER
8
SPECIFICATIONS
9
POWERED SUBWOOFER
PARTS LIST
PRE AMP SECTION
PRINTED CIRCUIT BOARD ASSEMBLY
QTY PART NO DESCRIPTION LOCATION
1150F-101K-5-IEA CC 50V 100PF 10% RL 5X3 C29
1150F-104M-N-FD CC 50V 0.1µƒ 20% RLF C27
2150F-271K-5-IEA CC 50V 270PF 10% RL 5x3 C3,11
4150F-334M-N-JJA CC 50V 0.33µF 20% RLF MONO C4,5,12,13
7153H-104K-5-QUA CM 100V 0.1µF 10% RL 9X11 CENTRALAB C7,15,17,18,19,20,22
2153H-333K-5-MRA CM 100V 0.033µF 10% RL 7X9.5 C8,16
2153H-683K-5-PSA CM 100V 0.068µF 10% RL C64,65
1157C-477M-5-OU CE 10V 470µF 20% RL 8X11 C24
2157D-107M-5-KW CE 16V 100µF 20% RL 6x12 C21,25
1157D-476M-5-IU CE 16V 47µF 20% RL 5x11 C26
2157E-106M-5-IU CE 25V 10µF 20% RL 5x11 C23,30
5157F-225M-5-IU CE 50V 2.2µF 20% RL 5x11 C1,2,9,10,28
1157F-225M-5-IU CE 50V 2.2µF 20% RL 5x11
12101-1357-0 WAFER JM2411-8 8PIN CN3
12101-9790-0 4RCA JACK HSP-204V-03 GP RCA1
83131-6140-0 IC BA4560 ROHM U1,2,3,4,5,6,7,8
13700-4536-RG L-115W EGW/209EGW RED/GR ELE-LED02 LED1
44701-102J-2 RCF 1/8W 1K 5% AT R11,34,71,73
23 4701-103J-2 RCF 1/8W 10K 5% AT R3, 6, 10, 15,16, 18,19, 21, 23,
26, 29, 33, 38, 39, 41, 42, 44, 46,
60, 62, 70, 76, 79,
24701-104J-2 RCF 1/8W 100K 5% AT R7,30
14701-125J-C RCF 1/8W 1.2M 5% ATS R64
24701-153J-2 RCF 1/8W 15K 5% AT R48,52
14701-162J-2 RCF 1/8W 1.6K 5% AT R56
84701-222J-2 RCF 1/8W 2.2K 5% AT R12,13,35,36,49,53,66,68,
14701-224J-2 RCF 1/8W 220K 5% AT R78
14701-225J-2 RCF 1/8W 2.2M 5% AT R65
64701-273J-2 RCF 1/8W 27K 5% AT R17, 22, 40, 45, 51, 55
44701-303J-2 RCF 1/8W 30K 5% AT R1,24,50,54,
14701-391J-2 RCF 1/8W 390R 5% AT R57
24701-471J-2 RCF 1/8W 470R 5% AT R63,74
44701-472J-2 RCF 1/8W 4.7K 5% AT R58,59,69,72,
14701-563J-2 RCF 1/8W 56K 5% AT R77
14701-682J-2 RCF 1/8W 6.8K 5% AT R37
14701-683J-2 RCF 1/8W 68K 5% AT R67
44718-101J-C-X RMF 1W 100R 5% ATS METAL OXIDE R8,9,31,32
14750-5510-0 VR 20KBX2 VR16G20K15B20K L=15MM VR1
14750-5520-0 VR 20KAX1 VR16N20K15A20K L=15MM VR2
14750-5530-0 VR 10KBX1 VR16N20K15B10K L=15MM VR3
14837-3V36-2 DZ 1/2W +-5% 3.3V TEMIC AT Z3
24837-5V16-2 DZ 1/2W 5.1V "TEMIC" AT Z1,2
24840-8060-2 DIODE 1N4148 NS D1,2
34860-8710-5 TR 9012H Q3,4,7
44860-8720-5 TR 9013H SAMSUNG Q1,2,5,6
15200-3281-0-06 SW COMAX SK-22D01-SG6-T-NS-IK SW1
POWERED SUBWOOFER
10
PARTS LIST
PRE AMP SECTION
PRINTED CIRCUIT BOARD ASSEMBLY
CONTINUED
QTY PART NO DESCRIPTION LOCATION
24701-123J-2 RCF 1/8W 12K R20, 43
24701-912J-2 RCF 1/8W 9.1K R4, 27
17010-2221-0 3 PIN SHIELD WIRE ASSY L=130MM CN1
17010-2222-0 3 PIN FLAT CABLE ASSY L=100MM CN2
17011-3240-0 2254 1533 #26 2X2PIN BRN 100MM 1-51-112 CN4
27011-4570-0 AMP108U AWG26 180MM BRWN NALX2 1-51-274CN5,6
28910-0042-0 CE 50V 300µF RL 10% NON-POLARITY C6,14
11725-296A-0002 PCB POWER AMP REV:E FC380C
4150F-101K-5-IEA CC 50V 100P 10% RL 5X3 C39,40,64,65
2150F-104M-N-FD CC 50V 0.1µF 20% RLF C53,54
1150F-334M-N-JJA CC 50V 0.33µF 20% RLF MONO C36
1150F-470K-5-IEA CC 50V 47P 10% RL 5X3 C38
2150F-471K-5-IEA CC 50V 470P 10% RL 5x3 C32,33
2150F-681J-5-OI CC 50V 680PF 5% RL 8X5 C42,43
2150H-472M-5-IE CC 100V 4700PF 20% RL 5X3 TEC C61,62
1153H-102K-5-INA CM 100V 0.001µF 10% RL 5X7.5 C37
3153H-104K-5-QUA CM 100V 0.1µF 10% RL 9X11 CENTRALAB C35,57,58
1153H-224K-5-VYA CM 100V 0.22µF 10% RL 11.5X13 C47
1153I-154J-9-NL CM 63V 0.15µF 5% RB 7.5x6.5 C31
2157D-227M-5-KW CE 16V 220µF 20% RL 6x12 C55,56
1157E-106M-5-IU CE 25V 10µF 20% RL 5x11 C50
2157F-105M-5-IU CE 50V 1µF 20% RL 5x11 C34,48
2157F-225M-5-IU CE 50V 2.2µF 20% RL 5x11 C41,66
1157F-474M-5-IU CE 50V 0.47µF 20% RL 5X11 C51
2157I-107M-5-SX CE 63V 100µF 20% RL 10X12.5 C44,45
1157I-476M-5-OV CE 63V 47µF 20% RL 8X11.5 C52
1157Q-476M-5-LUA CE 35V 47µF 20% RL 6.5X11 ELNA C49
11806-2393-0 TT-9904 LE 1012A 1X12TX6MM SPRING COIL L1
32101-1231-0 SPADE TERMINAL 6.3X0.8 STRAIGHT AC1.AC2,VO
13130-3020-0 IC LM7915CT REGULATOR U15
13130-3030-0 IC LM7815CT REGULATOR U14
13130-3550-0 IC TA7317P U13
13130-4080-0 IC TL072CP DUAL FET OP AMP T1 U12
13130-9150-0 IC LM3080N OTA NATIONAL U9
23131-7220-0 IC TL062 LOW POWER JFET U10,11
24132-1551-0 TERMINAL OUT PUT SPK+, SPK-
14500-8090-0 RELAY RUDH-SH-124D "GOOD SKT" RLY1
POWER AMP SECTION
PRINTED CIRCUIT BOARD ASSEMBLY
QTY PART NO DESCRIPTION LOCATION
11
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 R81, 83, 110, 111, 114, 115, 116,
117, 120, 121
24701-102J-2 RCF 1/8W 1K 5% AT R145,146
10 4701-103J-2 RCF 1/8W 10K 5% AT R85, 88, 89, 92, 99, 100, 101,
103, 130, 137
34701-104J-2 RCF 1/8W 100K 5% AT R96,131,132
24701-123J-2 RCF 1/8W 12K 5% AT R95,109
14701-124J-C RCF 1/8W 120K 5% ATS R80
14701-474J-C RCF 1/8W 470K 5% ATS R86
34701-153J-2 RCF 1/8W 15K 5% AT R82,104,105
14701-154J-2 RCF 1/8W 150K 5% AT R90
24701-183J-2 RCF 1/8W 18K 5% AT R134,135
24701-202J-2 RCF 1/8W 2K 5% AT R98,147
24701-203J-2 RCF 1/8W 20K 5% AT R84,93
14701-243J-2 RCF 1/8W 24K 5% AT R97
14701-272J-2 RCF 1/8W 2.7K 5% AT R108
24701-333J-2 RCF 1/8W 33K 5% AT R136,138
14701-334J-2 RCF 1/8W 330K 5% AT R102
24701-391J-2 RCF 1/8W 390R 5% AT R106,107
14701-473J-2 RCF 1/8W 47K 5% AT R87
14701-514J-2 RCF 1/8W 510K 5% AT R91
34701-562J-2 RCF 1/8W 5.6K 5% AT R124,125,126
34701-563J-2 RCF 1/8W 56K 5% AT R129,133,139
14701-913J-2 RCF 1/8W 91K 5% AT R94
14707-152J-2 RCF 1/2W 1.5K 5% AT R140
44718-100J-C-X RMF 1W 10R 5% ATS METAL OXIDE R112,113,127,128
24719-222J-1-X RMF 2W 2.2K 5% AL METAL OXIDE R141,142
4474B-0R1J-1 RWR 5W 0.1 5% AL R118,119,122,123
2474B-271J-1 RWR 5W 270R 5% AL R143,144
14756-2036-3-15 SVR B20K H3 NVZ6TL1 6.3X6.8 HDK TP1
24804-0010-2 DIODE 1N4001 AT D9,10
14840-0720-0 BRIDGE 8A BR84 RECTRON D11
84840-8060-2 DIODE 1N4148 NS D3,4,5,6,7,8,12,13
1485D-1390-5 TR BD139-10 PHILIPS HFE63-160 Q14
14860-1260-5 TR 2N3906 SAMSUNG RL Q9
14860-1430-5 TR BD140-10 HFE 63-160 Q15
24860-8890-0 TR MPS A06 VCE 80V NS Q12,13
24860-8910-0 TR MPS A56 VCE 80V NS Q11,20
18910-0196-0 THERMISTOR NTH4G 10K 1% MURATA TH1
28910-0492-0 CE 63V 12000µF 20% RL 36X45 C59,60
11725-296A-0002 PCB POWER AMP REV:E FC380
24860-5050-5 TR 2SC5200 T0-3P (L) TOSHIBA Q17,19
24860-5060-5 TR 2SA1943 T0-3P (L) TOSHIBA Q16,18
POWERED SUBWOOFER
12
PARTS LIST
VOLT SELECTOR SECTION
PRINTED CIRCUIT BOARD ASSEMBLY
QTY PART NO DESCRIPTION LOCATION
2153Z-103M-5-7T CM 275V 0.01UF 20% RL 18X10.5 C69,70
15200-3627-0 SL14-22AH (1A) SW 2P2T AC SELECTOR SW2
11723-780A-0000 PCB VOLT SELECTOR REV:C FC310C
14 2101-1231-0 SPADE TERMINAL 6.3X0.8 STRAIGHT 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 LOCATION
11402-3070-0 X'FORMER MTG. BKT T1
11403-6420-0 REAR PANEL FC380C T1
1153Z-104M-5-7W CM 275V 0.1µF 20% RL 18X12 PCX2 335M MD104 PILKO C63
11725-327A-0000 INSULATION PCB-3 PANEL
11806-2415-0 TT-00018 TOROIDAL TRANSFORMER 15V/230V T1
42103-7001-0 BINDING POST RED SPK IN+
42103-7101-0 BINDING POST BLK SPK IN-
32436-6501-1 VOL/FREQ KNOB VR FREQ PHAS
82600-3005-0800 METAL WASHER M3X0.5X8MM ZNC PWRM-PCB, Q16. 17,
18, 19
82600-5008-1000 METAL WASHER M5X0.8X10MM YZ SPK IN+
12606-3005-0643 INT TEETH WASHER M3X0.5X6.4MM BZ PANEL
12606-4008-0853 INT TOOTH WASHER M4X0.8X8.5MM BZ EARTH
15 2607-3009-0550 SPRING WASHER M3X0.9X5.5MM ZNC FOR PCB,IEC1,PWRM
PCB, Q16, 17, 18, 19,
VOLT-PCB
52607-4010-0704 SPRING WASHER M4X1X7MM NI EARTH
22640-3022-0540 M3 NUT IEC1
52640-4030-0704 NUT HEX M4 EARTH,T1
22842-6213-0 METAL WASHER (6X1.0X13MM) T1
22904-2608-3000 SCREW BH M2.6X 8 MM BZ CROSS FOR PANEL,FOR PCB
82904-3006-3000 SCREW M3X6 BINDING (BLK) PANEL,VOLT-PCB
22904-3010-3000 SCREW M3X10 (BLK) IEC1
52904-4010-3000 SCREW M4X10 (BLK) PANEL,T1
52954-3008-3000 T3X8MM SELF TAPPING H.S,RCA1
42954-3010-3000 B-TITE 3X10MM (BLK.ZN) H.S
82954-3014-3000 B-TITE 3X14MM(BLK.ZN) Q16,17,18,19
43100-3171-0 MICA SHEET A (24X20) Q16,17,18,19
14133-2090-0 2204-3 MTG BKT PWRM PCB
44135-0271-0 BRASS TUBE 6XM3X12MM REAR PANEL
14153-1250-0 2209 SW COVER 1-41-112 SW1
14153-3800-0 POWER INLET SOCKET SC9F-21 IEC1
25120-0079-0 FUSE T3.15A 250V 5X20MM UR & SEMKO IEC1
15200-4725-0 SWITCH ROCKER 2P1T SW2
13
POWERED SUBWOOFER
PARTS LIST
18900-5760-0 8"WOOFER F-SUB
17011-6220-0 H05VV-F 0.75MM/3C 2M BLK *EU
17011-5030-0 TC1490GP 3CORE CORD 1/P *UK
17011-6210-0 SJT #18 /3C 2M BLK POWER *US
8" SPEAKER ASSEMBLY
QTY PART NO DESCRIPTION LOCATION
POWER CORD CABLE ASSEMBLY
QTY PART NO DESCRIPTION LOCATION
PRE AMP & POWER AMP ASSEMBLY
CONTINUED
QTY PART NO DESCRIPTION LOCATION
15400-3351-0 HEAT SINK FC380C Q16,17,18,19
15400-3361-0 HEAT SINK PLATE FC380C HEAT SINK
76360-0011-0 PLASTIC CABLE TIE 97MM T1/IEC1/SPK
27010-2217-0 250 T'NAL ASSY L=120MM RED IEC1
27010-2218-0 250 T'NAL ASSY L=100MM RED SW3
27010-2219-0 250 TNAL ASSY L=100MM BROWN SW3
17010-2223-0 RING T'NAL ASSY L=80MM G/Y EARTH
17010-2236-0 250 TNA'L ASSY L=130MM BROWN IEC1
17010-2237-0 HOUSING ASSY JP2411-8P L=100 FOR SPK/IN
POWERED SUBWOOFER
14
BLOCK DIAGRAM
RCA
L IN
CURRENT
AMPLIFIER
L/F-
POWER SUPPLY
HIZ
AC/DC
L/F+
LOZ IN
PRE-AMP
LOZ
INPUT
U1A
AMP DRIVER
AUTO ON/OFF
Q14,Q15 Q16,Q17,Q18,Q19
OVER CURRENT/
OUT
RCA
R/F IN
R/F-
HIZ
R/F+
LOZ IN
PRE-AMP
LOZ
INPUT
U1B
T1,D11
+
U3A,U4A
VR1A
20KBx2
-
AUTO ON/OFF
BUFFER
U2A
VR2
20KA
LEVEL
RCA
L OUT
HIZ
L/F-
L/F+
LOZ OUT LOZ
OUTPUT
RCA
R/F OUT
HIZ
R/F-
R/F+
LOZ OUT LOZ
OUTPUT
U8B
SW1A
SW-2P2T
AGC
U9,U10,U11
U13
ADJUSTABLE
FILTER
U3B,U4B
VR1B
20KBx2
AUTO ON/OFF
BUFFER
U2B
LED1
2LED
PROTECT
PLY1
MUTING
AUTO
MANLIAL
GREEN/ON RED/OFF
SELECT
SW-2P1T
+Vcc -Vcc0V
REGULATOR
U12,U13
(115V/230V) +15V
-15V
INPUT
CROSSOVER
FREQUENCY
(50Hz-130Hz)
(50Hz-130Hz)
IEC1
IEC SOCKET
LN
E
AC 115V/230V
SW3
!!
OFF SET PROTECT
HIGHT PASS FILTER
U6
NOTCH DEPTH
U7
PHASE ADJUST
U8A
VR3
20KBx1
(0-180)
R4
9K1
R14
6K8
R1
30K
R15
10K R22
27K
R16
10K
R21
10K
R23
10K
R17
27K
R6
10K
R19
10K
R7
100K
R9
100 1W
R8
100 1W
R18
10K
R5
12K
C4
330n
C5
330n
C7
104
R20
12K
R10
10K
R24
30K R27
9K1
R43
12K
R37
6K8
R38
10K
R31
100 1W
R32
100 1W
R42
10K
R39
10K
R41
10K
R40
27K
R44
10K
R46
10K
C8
333
C12
330n
C13
330n
C15
104
C16
333
R30
100K
R28
12K
R29
10K R45
27K
R13
2K2
R36
2K2
R33
10K
R11
1K
R35
2K2
R34
1K
R12
2K2
R61
10K
R62
10K
R60
10K
+15v
-15v
L CHANNEL
R CHANNEL
C3
270
p
C11
270
p
-15V
+15V
C23
10u/25V
HIGH
LEVEL
IN
HIGH
LEVEL
IN
HIGH
LEVEL
OUT
HIGH
LEVEL
OUT
R48
15K
R49
2K2
R50
30K
R51
27K
R52
15K
R53
2K2
R54
30K
R55
27K
R56
1K6
R58
4K7
R59
4K7
R57
390
C17
104
C18
104
C19
104
C20
104
C22
104 NOTCH DEPTH
-15V
+15V
C21
100u/16V
VR1A
20KBx2
VR1B
20KBx2
VR2
20KAx1
VR3
10KBx1
C1
2u2/50V
C2
2u2/50V
C9
2u2/50V
C10
2u2/50V
-15V
+15V
LOW PASS FILTER
HIGHT PASS FILTER
R74
470
R73
1K
R72
4K7
R71
1K
Q4
9012H
Q5
9013H
Z1
5V1
D1
1N4148
MANLIAL
AUTO
AUTO ON/OFF
C29
100
p
R63
470
R76
10K
R78
220K
C28
2u2/50V
Z3
3V3
C30
10u/25V
R77
56K
D2
1N4148
C24
470u/10V
C26
47u/16V
C25
100u/16V
R65
2M2
R66
2K2
R64
1.2M
R67
68K
R79
10K
R68
2K2
R69
4K7
Q1
9013H
Q2
9013H
Q6
9013H
Q3
9012H
C27
100n
SW1
SW2P2T
Z2
5V1
C6
300uF/50V NP
C14
300uF/50V NP
Q7
9012H
R70
10K
LOW PASS FILTER
LED1
DUAL/LED
3
2
1
4 8
U1A
BA4560
5
6
7
U1B
BA4560
3
2
1
48
U2A
BA4560
5
6
7
U2B
BA4560
3
2
1
4 8
U3A
BA4560
5
6
7
U3B
BA4560
3
2
1
4 8
U4A
BA4560
5
6
7
U4B
BA4560
3
2
1
4 8
U5A
BA4560
5
6
7
U5B
BA4560
3
2
1
4 8
U6A
BA4560
5
6
7
U6B
BA4560
3
2
1
4 8
U7A
BA4560
5
6
7
U7B
BA4560
3
2
1
4 8
U8A
BA4560
5
6
7
U8B
BA4560
-15V
+15V
+15V
-15V
-15V
+15V
+15V
-15V
+15V
1
CN3A
L/IN+
2
CN3B
L/IN-
3
CN3C
L/OUT-
4
CN3D
L/OUT+
5
CN3E
R/IN+
6
CN3F
R/IN-
7
CN3G
R/OUT-
8
CN3H
R/OUT+
RCA1A
LOW LEVEL IN
RCA1B
LOW LEVEL IN
RCA1C
H.P.OUT
RCA1D
H.P.OUT
3
1
2
CN1
AF/OUT
3
1
2
CN2
15V/IN
-15V
+15V
AUTO
AUTO
AUTO
C64 683
C65 683
1
2
CN4
2PIN
1
2
CN5
2PIN
1
2
CN6
2PIN
1
2
CN4'
2PIN
R3
10K
R26
10K
15
POWERED SUBWOOFER
SCHEMATICS DIAGRAMS
Pre Amp Schematic
C53
100n
C54
200n
C57
104
C58
104
IEC1
IEC SOCKET
SW2A
SW2B
C69
10n/275Vac
LN E
F1
T3.15AL/250V
230V
115V
SIGNAL GND
R143
270/5W
R144
270/5W
R141
2K2/2W
R142
2K2/2W
AC 115V/230V
C59
12000u/63V
C60
12000u/63V
C55
220u/16V
C56
220u/16V
T1
TT-00018
SW 2P2T
6
7
8
5
4
3
1
2
R83
100
R81
100
R84
20K
R85
10K
R88
10K
R96
100K
R93
20K
C32
470P
-15V
C34
1u/50V
Q9
3906
D4
1N4148
R98
2K
R82
15K
+15V
-15V
R89
10K
AGC
R80
120K
R101
10K
R100
10K
R103
10K
R104
15K
R105
15K
R108
2K7
R109
12K
R106
390
R102
330K
R110
100
R111
100
R117
100
R116
100
R112
10/1W
R113
10/1W
R114
100
R118
r1/5W
R128
10/1W
R115
100
R119
r1/5W
Q12
A06
Q13
A06
Q14
BD139
Q17
2SC5200
Q11
A56
Q15
BD140
Q16
2SA1943
C39
100
p
C36
330n
C37
102
C47
224
R107
390
D6
1N4148 C42
680
p
D7
1N4148
C43
680
p
R127
10/1W
L1
12T
C38
47
p
C45
100u/63V
C41
2u2/50V
C44
100u/63V
C40
100
p
1
2
3
4
5
6
7
8
9
U13
TA7317P
R129
56K
R130
56K
C50
10u/25V
R139
56K
R138
33K
R134
18K
C51
u47/50V
R135
18K
R133
56K
C49
47u/35V
R132
100K
R131
100K
C48
1u/50V
+15V
-15V
SPK
D9
1N4001
R140
1K5 1/2W
Q20
A56
R136
33K
D8
1N4148
3
2
1
8 4
U10A
TL062
5
6
7
U10B
TL062
3
2
1
48
U12A
TL072
3
2
1
84
U11A
TL062
D11
8R4
Vin
GND
+15V
U14
7815
Vin
GND
-15V
U15
7915
SW3A
SW-2P1T
3
1
2
CN2
15V/OUT
3
1
2
CN1
AF/IN
+15V
-15V
+15V
-15V
GND
+Vcc
-Vcc
-Vcc
+Vcc
RLY1
RELAY
V
V
D10
1N4001
C52
47u/63V
R126
5K6
R124
5K6
R86
470K
AF/IN
R137
10K
AF/IN
!
!
!
AC1
AC0
AC2
AC2
AC1
AC0
R125
5K6
R120
100
R122
r1/5W
R121
100
R123
r1/5W
Q19
2SC5200
Q18
2SA1943
R97
24K
1
2
3
7
8
6
4
5
U9
CA3080N
TP1
20KB
+15V
-15V
-15V
+15V
C33
470P
5
6
7
U11B
TL062
5
6
7
U12B
TL072
D5
1N4148
D3
1N4148
R94
91K
R91
510K
R92
10K
R90
150K
R95
12K
C35
104
+Vcc
-Vcc
R99
10K
+15V
R87
47K
C31
150n
D12
1N4148
D13
1N4148
-15V
+15V
FUSE
C70
10n/275Vac
SW3B
SW-2P1T
C61
4700
p
/100V
C62
4700
p
/100V
R145
1K
C66
2u2/50V
1
2
CN5'
2PIN
1
2
CN6'
2PIN
R146
1K
R147
2K
TH1
10K
C63 100n/275Vac
C64
100
p
C65
100
p
POWERED SUBWOOFER
16
SCHEMATICS DIAGRAMS
Power Amp Schematic
17
POWERED SUBWOOFER
PCB LAYOUT
Pre Amplifier PCB Component Side
Power Amplifier PCB Component Side
Voltage Selector PCB Component Side
POWERED SUBWOOFER
18
EXPLODED VIEW DIAGRAMS
B(GRAY)
C(BLUE)
A(RED)
L(Y)
N(Y)
M(BLK)
E(BLUE)
D(GRAY)
F
BI
K
A
J
E
GDC
M
L
N
GND
H(RED)
I(RED)
GND
F(GRAY)
G(RED)
K(GRAY)
J(GRAY)
H
CN2CN1
CN3
CN4
CN2
86
45 73
CN1
CN4 CN3
12
3
17
8
6
5
4
2
10
7
8
9
9
8
9
10
9
8
9
7
8
10
8
12
10
18
18
8
3
4
8
7
9
8
6
5
11
9
8
24
26
24
13
10
27
20
20
22
2
22
7
15
25
14
15
18
20
21 22
17
18
18
15
17
17
17
15
16
1
19
19
17
8
23
18
10
10
8
REF DESCRIPTION PARTS NO. QTY
1REAR PANEL 1403-6420-0 1
2TRANSFORMER BRACKET 1402-3070-0 1
3BRASS TUBE 6*M3*12 4135-0271-0 4
4VOLTAGE PCB 1723-780A-0000 1
5PRE AMP PCB 1725-296A-0000 1
6POWER AMP PCB 1725-296A-0000 1
7T3*8MM SELF TAPPING 2954-3008-3000 5
8SPRING WASHER M3*0.9*5.5MM 2607-3009-0550 15
9METAL WASHER M3*0.5*8MM 2600-3005-0800 8
10 M3*14MM B-TITE (BLK.Zn) 2954-3014-3000 8
11 HEATSINK 5400-3351-0 1
12 HEATSINK PLATE 5400-3361-0 1
13 INSULATION PCB-3 1725-327A-0000 1
14 INT TEETH WASHER M3*0.5*6.4MM 2606-3005-0643 1
15 B-TITE 3*10MM (BLK.Zn) 2954-3010-3000 4
16 VOL/FREQ KNOB 2436-6501-1 3
17 SCREW M4*10 (BLK) 2904-4010-3000 5
18 SCREW M3*6 BINDING (BLK) 2904-3006-3000 8
19 SCREW M3*10 (BLK) 2904-3010-3000 2
20 NUT HEX M4 2640-4030-0704 5
21 INT TOOTH WASHER M4*0.8*8.5MM 2606-4008-0853 1
22 SPRING WASHER M4*1*7MM NI 2607-4010-0704 5
23 M3 NUT 2640-3022-0540 2
24 METAL WASHER M5*0.8*10MM 2600-5008-1000 8
25 SCREW BH M2.6*8MM BZ CROSS 2904-2608-3000 2
26 MTG BRACKET 4133-2090-0 1
27 TRANSFORMER 1806-2415-0 1
19
POWERED SUBWOOFER
EXPLODED VIEW DIAGRAMS
PSW2000 Packing Exploded View
8
7
10
6
3
4
5
11
2
1
9
REF DESCRIPTION PARTS NO. QTY
1P.FOAM FOR PSW1000/S8 1490-7343-0 4
2CABINET FOR EGG GRAY 1403-4400-0 1
3P.BAG 400*450*600 1497-4642-0 1
4M.BOX FOR PSW2000 145A-6510-0 1
5UPC LABEL FOR PSW2000 (EU) 3000-6621-0 1
UPC LABEL FOR PSW2000 (UK) 3000-6623-0 1
UPC LABEL FOR PSW2000 (US) 3000-6622-0 1
6P.BAG 10'*12' W/ES GREEN 1497-4102-0 1
7MANUAL FOR PSW2000 4301-5166-0 1
8W.CARD KAL926EFG REG 4301-6016-0 1
9VOLTAGE LABEL FOR PSW2000 3000-6628-0 1
10 P.BAG 10'*14' W/ES GREEN 1497-4122-0 1
11 BARCODE S/N LABEL 3000-6333-0 1
Aug, 2002
P/N: PSW2000-SM00A
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
Other manuals for PSW 2000
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