SERVICE MANUAL POWERED SUBWOOFER

Transcription

1 SERVICE MANUAL POWERED SUBWOOFER CONTENTS SPECIFICATIONS PARTS LIST: PRE AMPLIFIER BOARD POWER AMPLIFIER BOARD VOLTAGE SELECTOR BOARD PRE AMP AND POWER AMP ASSEMBLY SPEAKER ASSEMBLY POWER CORD CABLE ASSEMBLY BLOCK DIAGRAM SCHEMATIC DIAGRAMS PCB LAYOUT EXPLODED VIEW DIAGRAMS

2 SPECIFICATIONS System Specifications Frequency Response 0-0K Hz Sensitivity +/-db Power Handling 0W Max Dimension (W x D x H) 9 x 0 x 0 mm Weight.kg HF mm (0.") tweeter LF 00mm (") Crossover Frequency KHZ Impedance 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. ohms +/- 0. at V 00 Hz +/-0. ohm Sine Wave V at 0-0K Hz +/- Hz db/w/m 0W 0W W Music Max/Channel 0W RMS/Channel (The rated power is verified by performing power handling test by feeding rated output with "IEC-" for hours) Ø x Ø x mm Ø x Ø x 9mm Tweeter Specifications Rated Impedance Voice coil DCR Sweep Test Resonant Frequency (Fo) Sensitivity Frequency Response Rated Power Input Main Magnet Magnet Material +/-0. OHM at V K Hz. +/-0. OHM Sine Wave V at 00-0K Hz 00 +/- 0 Hz 9 +/-db/w/m Fo - 0K Hz 0W Ø0 x mm N

3 SPECIFICATIONS Subwoofer Specifications Typical LIMIT UNIT ) CONTINUOUS POWER 0 W (@ 90Hz, 0.% THD) ) THD (@90Hz 0W ) % ) CLIPPING POWER (Output % 90Hz ) 0 W ) INPUT 0W ohm 0Hz LINE. INPUT VOL. Max 9 +/-0% mv SPK. INPUT VOL. Max 0. +/-0% V ) W Hz 90 0W Hz 00 9 db ( A-WEIGHT, LINE INPUT ) ) LOW PASS Hz Freq VOL Set to Max. Low -db 0 +/-0% Hz Freq VOL Set to Max. Upper -db +/-0% Hz ) LOW PASS 0Hz Freq VOL Set to Min. Low -db +/-0% Hz Freq VOL Set to Min. Upper -db 0 +/-0% Hz ) LOW PASS FILTER ROLL-OFF Freq VOL Set to Max. +/- db 9) LOW PASS FILTER ROLL-OFF Freq VOL Set to Min. +/- db 0) LINE INPUT HI PASS FILTER -db ( LINE KHz ) Freq VOL Set to Max. 0 +/-0% Hz Freq VOL Set to Min. 0 +/-0% Hz ) LINE INPUT HI PASS FILTER ROLL-OFF LINE KHz ( 0 db O/P Ref ) Freq VOL Set to Max. +/- db Freq VOL Set to Min. +/- db ) LINE OUTPUT LINE KHz V INPUT ( 0 db O/P Ref ) Freq VOL Set to Max.. +/-0% V

4 SPECIFICATIONS ) SPEAKER OUTPUT HI PASS FILTER -db 0 +/-0% Hz ( SPEAKER ohm Load ) SPEAKER OUTPUT HI PASS FILTER ROLL-OFF +/- db SPEAKER ohm Load ( 0dB W 0/P Ref ) ) INPUT IMPEDANCE RCA K K OHM SPEAKER 00 +/-0 OHM ) AUTO TURN ON LEVEL. +/- mv ) AUTO OFF DELAY TIME 0 0 Min ) PHASE ADJUSTABLE Hz 0V O/P 0 Degree Ref: PHASE VOL SET Min to Max 9) HUM & NOISE ( Hz -KHz Filter ) mv OK OHM INPUT LEVEL VOL SET to Max FREQ VOL & PHASE VOL SET to min 0) Current Consumption UL 0W OUTPUT.0. IDLE.0.09 A CE 0 0W OUTPUT..0 IDLE.0.0 A UK 0 0W OUTPUT..0 IDLE.0.0 A

5 SPECIFICATIONS

6 SPECIFICATIONS

7 SPECIFICATIONS

8 SPECIFICATIONS

9 PARTS LIST PRE AMP SECTION PRINTED CIRCUIT BOARD ASSEMBLY QTY PART NO DESCRIPTION LOCATION 0F-0K--IEA CC 0V 00PF 0% RL X C9 0F-0M-N-FD CC 0V 0.µƒ 0% RLF C 0F-K--IEA CC 0V 0PF 0% RL x C, 0F-M-N-JJA CC 0V 0.µF 0% RLF MONO C,,, H-0K--QUA CM 00V 0.µF 0% RL 9X CENTRALAB C,,,,9,0, H-K--MRA CM 00V 0.0µF 0% RL X9. C, H-K--PSA CM 00V 0.0µF 0% RL C, C-M--OU CE 0V 0µF 0% RL X C D-0M--KW CE V 00µF 0% RL x C, D-M--IU CE V µf 0% RL x C E-0M--IU CE V 0µF 0% RL x C,0 F-M--IU CE 0V.µF 0% RL x C,,9,0, F-M--IU CE 0V.µF 0% RL x 0--0 WAFER JM- PIN CN RCA JACK HSP-0V-0 GP RCA -0-0 IC BA0 ROHM U,,,,,,, 00--RG L-W EGW/09EGW RED/GR ELE-LED0 LED 0-0J- RCF /W K % AT R,,, 0-0J- RCF /W % AT R,, 0,,,,9,,,, 9,,, 9,,,,, 0,, 0,, 9, 0-0J- RCF /W 00K % AT R,0 0-J-C RCF /W.M % ATS R 0-J- RCF /W K % AT R, 0-J- RCF /W.K % AT R 0-J- RCF /W.K % AT R,,,,9,,,, 0-J- RCF /W 0K % AT R 0-J- RCF /W.M % AT R 0-J- RCF /W K % AT R,, 0,,, 0-0J- RCF /W 0K % AT R,,0,, 0-9J- RCF /W 90R % AT R 0-J- RCF /W 0R % AT R, 0-J- RCF /W.K % AT R,9,9,, 0-J- RCF /W K % AT R 0-J- RCF /W.K % AT R 0-J- RCF /W K % AT R -0J-C-X RMF W 00R % ATS METAL OXIDE R,9,, VR 0KBX VRG0KB0K L=MM VR VR 0KAX VRN0KA0K L=MM VR VR BX VRN0KB L=MM VR -V- DZ /W +-%.V TEMIC AT Z -V- DZ /W.V "TEMIC" AT Z, DIODE N NS D, 0-0- TR 90H Q,, 0-0- TR 90H SAMSUNG Q,,, SW COMAX SK-D0-SG-T-NS-IK SW 9

10 PARTS LIST PRE AMP SECTION PRINTED CIRCUIT BOARD ASSEMBLY CONTINUED QTY PART NO DESCRIPTION LOCATION 0-J- RCF /W K R0, 0-9J- RCF /W 9.K R, PIN SHIELD WIRE ASSY L=0MM CN PIN FLAT CABLE ASSY L=00MM CN # XPIN BRN 00MM -- CN AMP0U AWG 0MM BRWN NALX -- CN, CE 0V 00µF RL 0% NON-POLARITY C, -9A-000 PCB POWER AMP REV:E FC0C POWER AMP SECTION PRINTED CIRCUIT BOARD ASSEMBLY QTY PART NO DESCRIPTION LOCATION 0F-0K--IEA CC 0V 00P 0% RL X C9,0,, 0F-0M-N-FD CC 0V 0.µF 0% RLF C, 0F-M-N-JJA CC 0V 0.µF 0% RLF MONO C 0F-0K--IEA CC 0V P 0% RL X C 0F-K--IEA CC 0V 0P 0% RL x C, 0F-J--OI CC 0V 0PF % RL X C, 0H-M--IE CC 00V 00PF 0% RL X TEC C, H-0K--INA CM 00V 0.00µF 0% RL X. C H-0K--QUA CM 00V 0.µF 0% RL 9X CENTRALAB C,, H-K--VYA CM 00V 0.µF 0% RL.X C I-J-9-NL CM V 0.µF % RB.x. C D-M--KW CE V 0µF 0% RL x C, E-0M--IU CE V 0µF 0% RL x C0 F-0M--IU CE 0V µf 0% RL x C, F-M--IU CE 0V.µF 0% RL x C, F-M--IU CE 0V 0.µF 0% RL X C I-0M--SX CE V 00µF 0% RL 0X. C, I-M--OV CE V µf 0% RL X. C Q-M--LUA CE V µf 0% RL.X ELNA C TT-990 LE 0A XTXMM SPRING COIL L 0--0 SPADE TERMINAL.X0. STRAIGHT AC.AC,VO IC LM9CT REGULATOR U IC LMCT REGULATOR U IC TAP U IC TL0CP DUAL FET OP AMP T U IC LM00N OTA NATIONAL U9-0-0 IC TL0 LOW POWER JFET U0, --0 TERMINAL OUT PUT SPK+, SPK RELAY RUDH-SH-D "GOOD SKT" RLY 0

11 PARTS LIST POWER AMP SECTION PRINTED CIRCUIT BOARD ASSEMBLY CONTINUED QTY PART NO DESCRIPTION LOCATION 0 0-0J- RCF /W 00R % AT R,, 0,,,,,, 0, 0-0J- RCF /W K % AT R, 0 0-0J- RCF /W % AT R,, 9, 9, 99, 00, 0, 0, 0, 0-0J- RCF /W 00K % AT R9,, 0-J- RCF /W K % AT R9,09 0-J-C RCF /W 0K % ATS R0 0-J-C RCF /W 0K % ATS R 0-J- RCF /W K % AT R,0,0 0-J- RCF /W 0K % AT R90 0-J- RCF /W K % AT R, 0-0J- RCF /W K % AT R9, 0-0J- RCF /W 0K % AT R,9 0-J- RCF /W K % AT R9 0-J- RCF /W.K % AT R0 0-J- RCF /W K % AT R, 0-J- RCF /W 0K % AT R0 0-9J- RCF /W 90R % AT R0,0 0-J- RCF /W K % AT R 0-J- RCF /W % AT R9 0-J- RCF /W.K % AT R,, 0-J- RCF /W K % AT R9,,9 0-9J- RCF /W 9K % AT R9 0-J- RCF /W.K % AT R0-00J-C-X RMF W 0R % ATS METAL OXIDE R,,, 9-J--X RMF W.K % AL METAL OXIDE R, B-0RJ- RWR W 0. % AL R,9,, B-J- RWR W 0R % AL R, -0-- SVR B0K H NVZTL.X. HDK TP DIODE N00 AT D9, BRIDGE A BR RECTRON D DIODE N NS D,,,,,,, D-90- TR BD9-0 PHILIPS HFE-0 Q 0-0- TR N90 SAMSUNG RL Q TR BD0-0 HFE -0 Q TR MPS A0 VCE 0V NS Q, TR MPS A VCE 0V NS Q, THERMISTOR NTHG % MURATA TH CE V 000µF 0% RL X C9,0-9A-000 PCB POWER AMP REV:E FC TR SC00 T0-P (L) TOSHIBA Q, TR SA9 T0-P (L) TOSHIBA Q,

12 PARTS LIST VOLT SELECTOR SECTION PRINTED CIRCUIT BOARD ASSEMBLY QTY PART NO DESCRIPTION LOCATION Z-0M--T CM V 0.0UF 0% RL X0. C9, SL-AH (A) SW PT AC SELECTOR SW -0A-0000 PCB VOLT SELECTOR REV:C FC0C 0--0 SPADE TERMINAL.X0. STRAIGHT,,,,,, L, N, SW-, SW-, SW-, SW- PRE AMP & POWER AMP ASSEMBLY QTY PART NO DESCRIPTION LOCATION X'FORMER MTG. BKT T REAR PANEL FC0C T Z-0M--W CM V 0.µF 0% RL X PCX M MD0 PILKO C -A-0000 INSULATION PCB- PANEL 0--0 TT-000 TOROIDAL TRANSFORMER V/0V T BINDING POST RED SPK IN BINDING POST BLK SPK IN- -0- VOL/FREQ KNOB VR FREQ PHAS METAL WASHER MX0.XMM ZNC PWRM-PCB, Q.,, METAL WASHER MX0.X0MM YZ SPK IN INT TEETH WASHER MX0.X.MM BZ PANEL INT TOOTH WASHER MX0.X.MM BZ EARTH SPRING WASHER MX0.9X.MM ZNC FOR PCB,IEC,PWRM PCB, Q,,, 9, VOLT-PCB SPRING WASHER MXXMM NI EARTH M NUT IEC NUT HEX M EARTH,T --0 METAL WASHER (X.0XMM) T SCREW BH M.X MM BZ CROSS FOR PANEL,FOR PCB SCREW MX BINDING (BLK) PANEL,VOLT-PCB SCREW MX0 (BLK) IEC SCREW MX0 (BLK) PANEL,T TXMM SELF TAPPING H.S,RCA B-TITE X0MM (BLK.ZN) H.S B-TITE XMM(BLK.ZN) Q,,, MICA SHEET A (X0) Q,,, MTG BKT PWRM PCB -0-0 BRASS TUBE XMXMM REAR PANEL SW COVER -- SW POWER INLET SOCKET SC9F- IEC FUSE T.A 0V X0MM UR & SEMKO IEC SWITCH ROCKER PT SW

13 PARTS LIST PRE AMP & POWER AMP ASSEMBLY CONTINUED QTY PART NO DESCRIPTION LOCATION HEAT SINK FC0C Q,,, HEAT SINK PLATE FC0C HEAT SINK PLASTIC CABLE TIE 9MM T/IEC/SPK T'NAL ASSY L=0MM RED IEC T'NAL ASSY L=00MM RED SW TNAL ASSY L=00MM BROWN SW RING T'NAL ASSY L=0MM G/Y EARTH TNA'L ASSY L=0MM BROWN IEC HOUSING ASSY JP-P L=00 FOR SPK/IN " SPEAKER ASSEMBLY QTY PART NO DESCRIPTION LOCATION "WOOFER F-SUB POWER CORD CABLE ASSEMBLY QTY PART NO DESCRIPTION LOCATION H0VV-F 0.MM/C M BLK *EU TC90GP CORE CORD /P *UK SJT # /C M BLK POWER *US

14 BLOCK DIAGRAM HIZ L OUT HIZ L IN L/F+ LOZ IN L/F+ LOZ OUT HIZ R/F OUT HIZ R/F IN R/F+ LOZ IN R/F+ LOZ OUT L/F- R/F- L/F- R/F- RCA RCA RCA RCA LOZ INPUT LOZ OUTPUT LOZ INPUT LOZ OUTPUT PRE-AMP UA PRE-AMP UB 0KBx VRA 0KBx VRB UA,UA AUTO ON/OFF BUFFER UA ADJUSTABLE FILTER (0Hz-0Hz) UB,UB AUTO ON/OFF BUFFER UB AC/DC POWER SUPPLY T,D INPUT LEVEL VR 0KA AGC U9,U0,U AUTO ON/OFF UB SWA SW-PT LED LED AMP DRIVER Q,Q MUTING CURRENT AMPLIFIER Q,Q,Q,Q9 OVER CURRENT/ OFF SET PROTECT U PROTECT PLY + OUT - AUTO MANLIAL N E SELECT (V/0V) SW SW-PT L AC V/0V IEC IEC SOCKET CROSSOVER FREQUENCY (0Hz-0Hz) +Vcc 0V -Vcc REGULATOR U,U HIGHT PASS FILTER U +V -V NOTCH DEPTH U 0KBx VR GREEN/ON RED/OFF PHASE ADJUST (0-0) UA!!

15 R 9K R K R 0K R R K R R R R K R R9 R 00K R9 00 W R 00 W R R K C 0n C 0n C 0 R0 K R0 R 0K R 9K R K R K R R 00 W R 00 W R R9 R R0 K R R C C 0n C 0n C 0 C R0 00K R K R9 R K R K R K R R K R K R K R K R R R0 +v -v L CHANNEL R CHANNEL C 0p C 0p -V +V C 0u/V HIGH LEVEL IN HIGH LEVEL IN HIGH LEVEL OUT HIGH LEVEL OUT R K R9 K R0 0K R K R K R K R 0K R K R K R K R9 K R 90 C 0 C 0 C9 0 C0 0 C 0 NOTCH DEPTH -V +V C 00u/V VRA 0KBx VRB 0KBx VR 0KAx VR Bx C u/0v C u/0v C9 u/0v C0 u/0v -V +V LOW PASS FILTER HIGHT PASS FILTER R 0 R K R K R K Q 90H Q 90H Z V D N MANLIAL AUTO AUTO ON/OFF C9 00p R 0 R R 0K C u/0v Z V C0 0u/V R K D N C 0u/0V C u/v C 00u/V R M R K R.M R K R9 R K R9 K Q 90H Q 90H Q 90H Q 90H C 00n SW SWPT Z V C 00uF/0V NP C 00uF/0V NP Q 90H R0 LOW PASS FILTER LED DUAL/LED UA BA0 UB BA0 UA BA0 UB BA0 UA BA0 UB BA0 UA BA0 UB BA0 UA BA0 UB BA0 UA BA0 UB BA0 UA BA0 UB BA0 UA BA0 UB BA0 -V +V +V -V -V +V +V -V +V CNA L/IN+ CNB L/IN- CNC L/OUT- CND L/OUT+ CNE R/IN+ CNF R/IN- CNG R/OUT- CNH R/OUT+ RCAA LOW LEVEL IN RCAB LOW LEVEL IN RCAC H.P.OUT RCAD H.P.OUT CN AF/OUT CN V/IN -V +V AUTO AUTO AUTO C C CN PIN CN PIN CN PIN CN' PIN R R POWERED SUBWOOFER SCHEMATICS DIAGRAMS Pre Amp Schematic

16 C 00n C 00n C 0 C 0 IEC IEC SOCKET SWA SWB C9 0n/Vac L N E F T.AL/0V 0V V SIGNAL GND R 0/W R 0/W R K/W R K/W AC V/0V C9 000u/V C0 000u/V C 0u/V C 0u/V T TT-000 SW PT R 00 R 00 R 0K R R R9 00K R9 0K C 0P -V C u/0v Q9 90 D N R9 K R K +V -V R9 AGC R0 0K R0 R00 R0 R0 K R0 K R0 K R09 K R0 90 R0 0K R0 00 R 00 R 00 R 00 R 0/W R 0/W R 00 R r/w R 0/W R 00 R9 r/w Q A0 Q A0 Q BD9 Q SC00 Q A Q BD0 Q SA9 C9 00p C 0n C 0 C R0 90 D N C 0p D N C 0p R 0/W L T C p C 00u/V C u/0v C 00u/V C0 00p 9 U TAP R9 K R0 K C0 0u/V R9 K R K R K C u/0v R K R K C9 u/v R 00K R 00K C u/0v +V -V SPK D9 N00 R0 K /W Q0 A R K D N U0A TL0 U0B TL0 UA TL0 UA TL0 D R Vin GND +V U Vin GND -V U 9 SWA SW-PT CN V/OUT CN AF/IN +V -V +V -V GND +Vcc -Vcc -Vcc +Vcc RLY RELAY V V D0 N00 C u/v R K R K R 0K AF/IN R AF/IN!!! AC AC0 AC AC AC AC0 R K R0 00 R r/w R 00 R r/w Q9 SC00 Q SA9 R9 K U9 CA00N TP 0KB +V -V -V +V C 0P UB TL0 UB TL0 D N D N R9 9K R9 R9 R90 0K R9 K C 0 +Vcc -Vcc R99 +V R K C 0n D N D N -V +V FUSE C0 0n/Vac SWB SW-PT C 00p/00V C 00p/00V R K C u/0v CN' PIN CN' PIN R K R K TH C 00n/Vac C 00p C 00p POWERED SUBWOOFER SCHEMATICS DIAGRAMS Power Amp Schematic

17 PCB LAYOUT Voltage Selector PCB Component Side Pre Amplifier PCB Component Side Power Amplifier PCB Component Side

18 EXPLODED VIEW DIAGRAMS CN CN CN CN M L N CN CN CN CN L(Y) M(BLK) N(Y) A(RED) B(GRAY) C(BLUE) 0 H A K B I F D(GRAY) E(BLUE) 9 K(GRAY) J(GRAY) 9 I(RED) H(RED) GND 0 GND F(GRAY) G(RED) 0 G D C E J REF DESCRIPTION PARTS NO. QTY REAR PANEL TRANSFORMER BRACKET BRASS TUBE *M* -0-0 VOLTAGE PCB -0A-0000 PRE AMP PCB -9A-0000 POWER AMP PCB -9A-0000 T*MM SELF TAPPING SPRING WASHER M*0.9*.MM METAL WASHER M*0.*MM M*MM B-TITE (BLK.Zn) HEATSINK HEATSINK PLATE INSULATION PCB- -A-0000 INT TEETH WASHER M*0.*.MM B-TITE *0MM (BLK.Zn) VOL/FREQ KNOB -0- SCREW M*0 (BLK) SCREW M* BINDING (BLK) SCREW M*0 (BLK) NUT HEX M INT TOOTH WASHER M*0.*.MM SPRING WASHER M**MM NI M NUT METAL WASHER M*0.*0MM SCREW BH M.*MM BZ CROSS MTG BRACKET TRANSFORMER 0--0

19 EXPLODED VIEW DIAGRAMS PSW000 Packing Exploded View 0 9 REF DESCRIPTION PARTS NO. QTY P.FOAM FOR PSW000/S CABINET FOR EGG GRAY P.BAG 00*0* M.BOX FOR PSW000 A-0-0 UPC LABEL FOR PSW000 (EU) UPC LABEL FOR PSW000 (UK) UPC LABEL FOR PSW000 (US) P.BAG 0'*' W/ES GREEN MANUAL FOR PSW W.CARD KAL9EFG REG VOLTAGE LABEL FOR PSW P.BAG 0'*' W/ES GREEN 9--0 BARCODE S/N LABEL

20 KEF AUDIO (UK) Limited, Eccleston Road, Tovil, Maidstone, Kent, ME QP UK Telephone: + (0) Fax: + (0) 0 KEF America. 0, Timber Lane, Marlboro, New Jersey. 0. USA. Telephone: +00 () Fax: +00 () Aug, 00 P/N: PSW000-SM00A