KEF PSW 2000 Service Manual
Powered subwoofer
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Also See for PSW 2000:
- Brochure & specs (19 pages) ,
- Brochure & specs (19 pages) ,
- Installation manual (12 pages)
Table of Contents
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SERVICE MANUAL
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-8
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
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Table of Contents
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Summary of Contents for KEF PSW 2000
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Page 1: Table Of Contents
SERVICE MANUAL POWERED SUBWOOFER CONTENTS SPECIFICATIONS ..............2-8 PARTS LIST: PRE AMPLIFIER BOARD . -
Page 2: Specifications
POWERED SUBWOOFER 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 12mm (0.5") tweeter 100mm (4") Crossover Frequency 3KHZ Impedance 4 OHM Woofer Specifications Rated Impedance 3.8 ohms +/- 0.8 at 1V 500 Hz... - Page 3 POWERED SUBWOOFER SPECIFICATIONS Subwoofer Specifications Typical LIMIT UNIT CONTINUOUS POWER (@ 90Hz, 0.1% THD) THD (@90Hz 110W ) 0.08 0.09 CLIPPING POWER (Output 1% THD @ 90Hz ) INPUT SENSITIVITY @ 120W 4 ohm 70Hz LINE . INPUT VOL . Max +/-10% SPK .
- Page 4 POWERED SUBWOOFER SPECIFICATIONS 13) SPEAKER OUTPUT HI PASS FILTER -3dB +/-10% ( SPEAKER IN @1KHz ) @ 4 ohm Load 14) SPEAKER OUTPUT HI PASS FILTER ROLL-OFF +/-1 SPEAKER IN @ 1KHz @ 4 ohm Load ( 0dB 1W 0/P Ref ) 15) INPUT IMPEDANCE SPEAKER +/-10...
- Page 5 POWERED SUBWOOFER SPECIFICATIONS...
- Page 6 POWERED SUBWOOFER SPECIFICATIONS...
- Page 7 POWERED SUBWOOFER SPECIFICATIONS...
- Page 8 POWERED SUBWOOFER SPECIFICATIONS...
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Page 9: Parts List
POWERED SUBWOOFER PARTS LIST PRE AMP SECTION PRINTED CIRCUIT BOARD ASSEMBLY QTY PART NO DESCRIPTION LOCATION 150F-101K-5-IEA CC 50V 100PF 10% RL 5X3 150F-104M-N-FD CC 50V 0.1µƒ 20% RLF 150F-271K-5-IEA CC 50V 270PF 10% RL 5x3 C3,11 150F-334M-N-JJA CC 50V 0.33µF 20% RLF MONO C4,5,12,13 153H-104K-5-QUA CM 100V 0.1µF 10% RL 9X11 CENTRALAB C7,15,17,18,19,20,22... -
Page 10: Power Amplifier Board
POWERED SUBWOOFER PARTS LIST PRE AMP SECTION PRINTED CIRCUIT BOARD ASSEMBLY CONTINUED QTY PART NO DESCRIPTION LOCATION 4701-123J-2 RCF 1/8W 12K R20, 43 4701-912J-2 RCF 1/8W 9.1K R4, 27 7010-2221-0 3 PIN SHIELD WIRE ASSY L=130MM 7010-2222-0 3 PIN FLAT CABLE ASSY L=100MM 7011-3240-0 2254 1533 #26 2X2PIN BRN 100MM 1-51-112 7011-4570-0... - Page 11 POWERED SUBWOOFER PARTS LIST POWER AMP SECTION PRINTED CIRCUIT BOARD ASSEMBLY CONTINUED QTY PART NO DESCRIPTION LOCATION 4701-101J-2 RCF 1/8W 100R 5% AT R81, 83, 110, 111, 114, 115, 116, 117, 120, 121 4701-102J-2 RCF 1/8W 1K 5% AT R145,146 4701-103J-2 RCF 1/8W 10K 5% AT R85, 88, 89, 92, 99, 100, 101,...
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Page 12: Voltage Selector Board
POWERED SUBWOOFER PARTS LIST VOLT SELECTOR SECTION PRINTED CIRCUIT BOARD ASSEMBLY QTY PART NO DESCRIPTION LOCATION 153Z-103M-5-7T CM 275V 0.01UF 20% RL 18X10.5 C69,70 5200-3627-0 SL14-22AH (1A) SW 2P2T AC SELECTOR 1723-780A-0000 PCB VOLT SELECTOR REV:C FC310C 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... -
Page 13: 8" Speaker Assembly
POWERED SUBWOOFER PARTS LIST PRE AMP & POWER AMP ASSEMBLY CONTINUED QTY PART NO DESCRIPTION LOCATION 5400-3351-0 HEAT SINK FC380C Q16,17,18,19 5400-3361-0 HEAT SINK PLATE FC380C HEAT SINK 6360-0011-0 PLASTIC CABLE TIE 97MM T1/IEC1/SPK 7010-2217-0 250 T'NAL ASSY L=120MM RED IEC1 7010-2218-0 250 T'NAL ASSY L=100MM RED... -
Page 14: Block Diagram
POWERED SUBWOOFER BLOCK DIAGRAM... -
Page 15: Schematic Diagrams
POWERED SUBWOOFER SCHEMATICS DIAGRAMS Pre Amp Schematic... -
Page 16: Schematic Diagrams
POWERED SUBWOOFER SCHEMATICS DIAGRAMS Power Amp Schematic... -
Page 17: Pcb Layout
POWERED SUBWOOFER PCB LAYOUT Voltage Selector PCB Component Side Pre Amplifier PCB Component Side Power Amplifier PCB Component Side... -
Page 18: Exploded View Diagrams
POWERED SUBWOOFER EXPLODED VIEW DIAGRAMS L(Y) M(BLK) N(Y) A(RED) B(GRAY) C(BLUE) D(GRAY) E(BLUE) K(GRAY) REF DESCRIPTION PARTS NO. J(GRAY) REAR PANEL 1403-6420-0 TRANSFORMER BRACKET 1402-3070-0 I(RED) H(RED) BRASS TUBE 6*M3*12 4135-0271-0 VOLTAGE PCB 1723-780A-0000 F(GRAY) G(RED) PRE AMP PCB 1725-296A-0000 POWER AMP PCB 1725-296A-0000 T3*8MM SELF TAPPING... -
Page 19: Exploded View Diagrams
POWERED SUBWOOFER EXPLODED VIEW DIAGRAMS PSW2000 Packing Exploded View DESCRIPTION PARTS NO. P.FOAM FOR PSW1000/S8 1490-7343-0 CABINET FOR EGG GRAY 1403-4400-0 P.BAG 400*450*600 1497-4642-0 M.BOX FOR PSW2000 145A-6510-0 UPC LABEL FOR PSW2000 (EU) 3000-6621-0 UPC LABEL FOR PSW2000 (UK) 3000-6623-0 UPC LABEL FOR PSW2000 (US) 3000-6622-0 P.BAG 10'*12' W/ES GREEN... - Page 20 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...