Panasonic SB-WA1501EB, Service Manual

Page 1: ...ORDER NO MD0406274C2 Active Subwoofer System SB WA1501EB SB WA1501EG Colour S Silver Type SPECIFICATIONS Specification 1 ...

Page 2: ...nd SB PC1501E S x 1 System SC HT1500 EB Music Center SA HT1500 EB Satellite Speakers SB HT1501 E Active Subwoofer SB WA1501 EB System SC HT1500 EG Music Center SA HT1500 EG Satellite Speakers SB HT1501 E Active Subwoofer SB WA1501 EG 2004 Panasonic AVC Networks Singapore Pte Ltd RCB Registration Number 197701580H All rights reserved Unauthorized copying and distribution is a violation of law 1 Saf...

Page 3: ...e between 1M and 5 2 When the exposed metal does not have a return path to the chassis the reading must be Fig 1 1 1 2 LEAKAGE CURRENT HOT CHECK See Figure 1 1 Plug the AC cord directly into the AC outlet Don not use an isolation transformer for this check 2 Connect a 1 5k 10 watts resistor in parallel with a 0 15 F capacitors between each exposed metallic part on the set and a good earth ground s...

Page 4: ...e sure to heat the soldering points with the Pb free solder until it melts enough 3 Before Repair and Adjustment Disconnect AC power discharge Power Supply Capacitors C546 C547 C548 C549 through a 10 1 W resistor to ground DO NOT SHORT CIRCUIT DIRECTLY with a screwdriver blade for instance as this may destroy solid state devices After repairs are completed restore power gradually using a variac to...

Page 5: ...e load impedance of any speaker used with this unit must be 6 1 Connect with the included monaural connection cable to the receiver or amplifier s subwoofer output terminal 2 Connect the AC mains lead to the household AC outlet 6 Disassembly Procedure ATTENTION SERVICER Some chassis components may have sharp edges Be careful when disassembling and servicing 1 This section describes procedures for ...

Page 6: ...lect items from the following index when checks or replacement are required 6 1 Disassembly flow chart The following chart is the procedure for disassembling the casing and inside parts for internal inspection when carrying out the servicing To assemble the unit reverse the steps shown in the chart below 6 2 Disassembly of the Speaker Unit and checking of the P C B 6 ...

Page 7: ...Subwoofer and Power Amp Unit Step 1 Remove all the screws Step 2 Remove the stand base Step 3 Remove all the screws from the bottom of the speaker unit Step 4 Remove all the screws from the rear panel s speaker unit guide 7 ...

Page 8: ... the screws from the subwoofer Step 6 Remove the 2 screws from the Power Amp unit Step 7 Pull out the Power Amp unit as arrow shown Note Be careful of the attach wire at CN506 Step 8 Disconnect the connector CN506 8 ...

Page 9: ...Checking for the major PCBs Follow Steps 1 to 8 described in Item 8 2 1 Steps 9 10 Remove 7 screws from the rear panel Step 11 Release the connector CN507 and remove the rear panel Step 12 Remove the screws 9 ...

Page 10: ...Steps 13 14 Remove the screws Step 15 Place the Power P C B and AC Inlet P C B as shown for checking Checking for the Transformer P C B Step 16 Remove the screws 10 ...

Page 11: ...ng 6 3 Main Component Replacement Procedures 6 3 1 Replacement of the Power IC and Transistor Follow Steps 1 to 8 described in Item 8 2 1 Follow Steps 9 to 17 described in Item 8 2 2 Step 1 Desolder the Power IC terminal and Transistor terminal 11 ...

Page 12: ...Step 2 Remove the screws from the IC501 Step 3 Remove the screw from the transistor Step 4 Replacement of the Power IC and Transistor 12 ...

Page 13: ...6 4 Assembly of the Power Amp Unit Step 1 Open the magnet case and place the speaker cable as shown Step 2 Close the magnet case Step 3 Use the himelon for wrapping 13 ...

Page 14: ...to fix the speaker cable and motor cable The position should be higher than Cement White register Step 5 Lower the magnet to the binding wire and use another binding wire to fix the magnet with motor cable and speaker cable 14 ...

Page 15: ... characteristics important for safety Furthermore special parts which have purposes of fire retardant resistors high quality sound capacitors low noise resistors etc are used When replacing any of components be sure to use only manufacturer s specified parts shown in the parts list Caution IC LSI and VLSI are sensitive to static electricity Secondary trouble can be prevented by taking care during ...

Page 16: ...ues are in ohms unless specified otherwise 1K 1 000 OHM The marking RTL indicates that the Retention Time is limited for this items After the discontinuation of this assembly in production the item will continue to be available for a specific period of time The retention period of a availability is dependent on the type of assembly and in accordance with the laws governing part and product retenti...

Page 17: ...13 1 2 Cabinet Parts List 17 ...

Page 18: ... SCREW M 21 RMGX0039 KJ TRANS RUBBER M 22 XTW3 15T SCREW M 23 J0KG00000013 FERRITE CORE M 24 RMFX0028 HIMELON M 13 2 Electrical Parts List Ref No Part No Part Name Description Remarks PRINTED CIRCUIT BOARD REPX0375H POWER P C B AC INLET P C B TRANSFORMER P C B LED P C B M EB RTL REPX0375J POWER P C B AC INLET P C B TRANSFORMER P C B LED P C B M EG RTL INTEGRATED CIRCUITS IC501 RSN311W64C P IC HIC ...

Page 19: ...017 DIODE M D513 B0HARM000017 DIODE M D514 B0HARM000017 DIODE M D515 B0EAKM000122 DIODE M D516 B0EAKM000122 DIODE M D517 B0HARM000017 DIODE M D518 B0HARM000017 DIODE M D519 B0AACK000004 DIODE M D524 B3ABA0000397 DIODE M D533 B0BA5R100013 DIODE M CONNECTORS CN501 K1FB125B0095 SYSTEM CONNECTOR M CN502 K1KB07B00020 2P CONNECTOR M CN503 K1KA12A00066 12P CONNECTOR M CN506 K1KA03A00006 3P CONNECTOR M CN...

Page 20: ...10 3P CABLE HOLDER M JACKS JK500 K2AA2B000004 JK AC INLET M JK501 K4BC06B00022 JK TERMINAL TERMINAL M JK502 K4BC04B00051 JK SPEAKER M EARTH TERMINAL E500 K4CZ01000027 TERMINAL M E501 K4CZ01000027 TERMINAL M WIRES W1 REE1205 WIRE UNIT M W2 REE1204 WIRE UNIT M W500 REX1146 WIRE UNIT M W505 RWJ1103280XX 3P WIRE M RESISTORS R401 ERDS2TJ224T 220K 1 4W M R402 ERDS2TJ102T 1K 1 4W M R403 ERDS2TJ104T 100K ...

Page 21: ... 150K 1 4W M R529 ERDS2TJ223T 22K 1 4W M R530 ERD25FVJ1R0T 1 1 4W M R531 ERD25FVJ1R0T 1 1 4W M R532 ERDS2TJ472T 4 7K 1 4W M R533 ERDS1FVJ100T 10 1 2W M R534 ERDS1FVJ100T 10 1 2W M R535 ERDS1FVJ100T 10 1 2W M R536 ERDS1FVJ100T 10 1 2W M R537 ERDS1FVJ100T 10 1 2W M R538 ERDS1FVJ100T 10 1 2W M R539 ERDS2TJ101T 100 1 4W M R540 ERDS2TJ101T 100 1 4W M R541 ERDS2TJ101T 100 1 4W M R542 ERDS2TJ101T 100 1 4...

Page 22: ... 4W M R593 ERDS2TJ474T 470K 1 4W M R594 ERDS2TJ103T 10K 1 4W M R595 ERDS2TJ101T 100 1 4W M R596 ERDS2TJ473T 47K 1 4W M R597 ERDS2TJ103T 10K 1 4W M R598 ERDS1FVJ152T 1 5K 1 2W M R599 ERDS2TJ223T 22K 1 4W M CAPACITORS C500 ECKWRS102MBC 1000P 400V M C501 ECBT1H102KB5 1000P 50V M C502 ECBT1H102KB5 1000P 50V M C503 ECBT1H102KB5 1000P 50V M C504 ECBT1H681KB5 680P 50V M C505 ECBT1H102KB5 1000P 50V M C506...

Page 23: ...3 ECBT1H102KB5 1000P 50V M C544 ECA1HM101B 100 50V M C545 F1D1H1040002 0 1 50V M C546 ECA1VM332B 3300 35V M C547 F2A1V472A155 4700P 35V M C548 F2A1V472A155 4700P 35V M C549 ECA1VM332B 3300 35V M C550 ECBT1H103KB5 0 01 50V M C551 F1E1H1030001 0 01 50V M C552 F1D1H1040002 0 1 50V M C553 ECQE1104KF3 0 1 100V M C554 ECQE1104KF3 0 1 100V M C560 ECA1HM100B 10 50V M C561 ECEA1HKA2R2B 2 2 50V M C562 ECQB1...

Page 24: ...FLE0406 P A S E N 24 ...

Page 25: ...9 Q515 D500 BRW BLU L500 JK500 FC501 FC502 Z501 C500 RLY501 J500 J501 J502 J503 J522 J523 J525 W2 W1 J526 CN502 Q519 R590 J529 J540 R401 T501 POWER TRANSFORMER BRW W1 W2 BLU H500 W500 J534 EB J559 D524 R577 H505A W505 F1 T2AL 250V J534 EG SECONDARY PRIMARY E 1 2 3 4 1 2 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 9 10 11 12 C B E C B 1 2 3 CAUTION RISK OF ELECTRIC SHOCK AC VOLTAGE LINE PLEASE DO NOT TOUCH THIS ...

Page 26: ...0 10K C536 16V33 R561 100 R560 10K R559 56K R558 18 C538 6 3V100 R557 56K C539 6 3V220 R551 4 7K R552 5 6K R556 10K R555 100K C540 50V2 2 C541 16V10 R566 270 R545 220K D507 D519 B0AACK000004 Q506 B1GCCFJJ0015 INTERFACE SWITCH Q505 B1AACF000089 SWITCHING Q501 Q502 B1AACF000089 SWITCH Q509 B1AACF000089 SWITCH Q507 B1AACF000089 SWITCH Q508 B1ACKD000004 CURRENT AMP Q510 B1AACF000089 SWITCH Q510 Q503 B...

Page 27: ...1 C547 35V4700 C546 35V3300 D515 D516 B0EAKM000122 C545 0 1 R570 10K C549 35V3300 C548 35V4700 C554 0 1 C553 0 1 C544 50V100 R568 150 C543 1000P R569 3 9K C560 50V10 C567 50V10 R598 1 5K R567 1 5K C520 0 047 C521 0 047 C522 0 047 C523 0 047 C569 0 047 R535 10 R536 10 R537 10 R538 10 D GND NC SYS6V NC D516 Q514 H505A W505 D515 C552 0 1 D509 B0BA5R100013 R565 3 9K JK501 D524 B3ABA0000397 R577 220 GN...

Page 28: ...ZV10V511CS JK500 L500 ELF15N035AN W1 W2 R401 220K R590 1K Q515 Q519 B1AACF000089 DCDET SWITCH EG EB LED CNT HELP T501 G4C7AGK00003 Q519 SCHEMATIC DIAGRAM 3 TO POWER CIRCUIT CN503 ON SCHEMATIC DIAGRAM 2 TRANSFORMER CIRCUIT B SIGNAL LINE B SIGNAL LINE TO POWER CIRCUIT CP502 ON SCHEMATIC DIAGRAM 2 AC INLET CIRCUIT 2 3 1 4 6 8 7 5 12 11 10 9 4 3 2 1 RLY501 K6B1AEA00003 2 4 6 7 5 3 1 ...

Page 29: ... 50Hz EG AC IN 7 1 JK500 W2A W1A CN502 BRW W1 W2 BLU TO MAIN UNIT CENTER SPEAKER SURROUND RIGHT SPEAKER FRONT RIGHT SPEAKER FRONT LEFT SPEAKER SURROUND LEFT SPEAKER POWER P C B LED P C B AC INLET P C B TRANSFORMER P C B FAN SPEAKER WOOFER 1 2 3 25 1 24 2 CN501 JK502 JK501 1 2 1 2 3 CN506 CN507 7 1 CP502 CN503 W503 3 2 1 H505B W505 4 2 3 1 6 2 5 1 ...

Page 30: ... Z501 Q501 Q502 SWITCH DC_DET Q520 INTERFACE SWITCH Q511 HIC_MUTE Q515 Q519 DCDET SWITCH VOLTAGE REGULATOR D513 D515 D517 D511 D512 D516 D518 T501 D508 SUBAC2 SUBAC1 TO MAIN BLOCK OF SA HT1500EBS EGS FL1 FL2 D524 POWER HIC DUAL LOW NOISE OP AMP SIGNAL LINES IC501 RSN311W64C P JK500 AC INLET RLY501 POWER TRANSFORMER IC502 C0AABB000055 JK502 CENTRE SPEAKER SUBWOOFER JK501 FRONT SPEAKER JK501 JK502 S...

Page 31: ...C700A0F B0BA5R100013 B0BA9R600002 C0AABB000055 RSN311W64C P 1 26 1 4 8 5 C E B A Ca Anode Cathode A Ca Cathode Anode Anode Cathode A Ca B0HARM000017 Anode Cathode A Ca B0EAKM000122 Anode Cathode A Ca E C B B1ACKD000004 B1BACG000009 B C E B3ABA0000397 A Ca Anode Cathode ...

Page 32: ...22 R542 D508 D507 R541 R539 R540 R544 R543 C550 L503 L504 L501 C527 L502 L505 C532 C531 C530 C533 C513 CN506 CN501 J521 J408 J507 J508 J515 J531 J533 J538 J539 J571 J572 J573 J574 J575 J580 J581 J591 J592 J593 J594 J595 J596 J528 C563 C562 C564 R592 R597 R573 R594 R595 R593 E500 J504 R591 C561 C566 C565 J550 C568 R599 R571 R572 Q513 Q514 J517 R596 IC502 JK501 J514 J519 J570 J409 R403 J410 C525 R53...

Page 33: ...J548 J402 J565 J576 J403 J404 J405 J406 J579 J590 J401 J560 J564 J562 J563 J598 597 J561 J599 J584 J588 J587 J586 J569 J568 J567 H505B W505 C514 Q502 Q501 J589 C539 R551 R560 R555 C540 C541 D519 R566 D508 D507 C560 D509 R598 Q511 C543 R568 R569 D510 C544 C513 J408 J506 J507 J508 J520 J512 J513 J515 J516 533 J535 J544 J546 J580 J582 J583 J505 E501 R567 C567 D533 J504 J566 J518 R575 C568 R599 R571 R...