Panasonic SB-WA520GC Скачать руководство пользователя | Manualshive

Страница: 8 / 28

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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 the screws from the rear panel’s speaker unit

guide.

Step 5:

Remove the screws from the subwoofer.

·

Disassembly of Power Amp unit.

Steps 6 & 7:

Remove the screws.

Step 8:

Pull out the Power Amp unit slightly as shown.

(Note: Be careful of attach wire at CN506).

8.2. Disassembly of the Speaker Unit and Checking of the P.C.B.s.

8

SB-WA520GC

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Содержание SB-WA520GC

Страница 1: ...etworks Singapore Pte Ltd All rights reserved Unauthorized copying and distribution is a violation of law SB WA520GC Colour S Silver Type n System SC HT520GC Music Center SA HT520GC Satellite speakers SB HT520P Active Subwoofer SB WA520GC n System SC HT520GCP Music Center SA HT520GCP Satellite speakers SB HT520P Active Subwoofer SB WA520GC n System SC HT520GCS Music Center SA HT520GCS Satellite sp...

Страница 2: ...2 Disassembly of the Speaker Unit and Checking of the P C B s 8 9 Block Diagram 11 10 Schematic Diagram 12 11 Printed Circuit Board 16 12 Wiring Connection Diagram 19 13 Illustration of IC 痴 Transistors and Diodes 20 14 Parts Location and Replacement Parts List 21 14 1 Cabinet 22 14 2 Electrical Parts List 24 14 3 Packing Materials Accessories Parts List 27 14 4 Packaging 27 2 SB WA520GC ...

Страница 3: ...osed 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 5kΩ 10 watts resistor in parallel with a 0 15µF capacitors between each exposed metallic part on the set and a good earth ground such as a water pipe as shown in ...

Страница 4: ...g points with the Pb free solder until it melts enough 4 Before Repair and Adjustment Disconnect AC power discharge Power Supply Capacitors C546 C547 C548 C549 through a 10 Ω 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 avoid overcurrent Curren...

Страница 5: ...e left speaker to the left terminal 1 Strip off the outer covering and twist the center conductor Make sure the bare ends of the wires are not unravelled If they are twist them tight again 2 Insert the wire to the rear panel of the unit and close the lever Notes To prevent damage to circuitry never short circuit positive and negative speaker wires Be sure to connect only positive red wires to posi...

Страница 6: ...7 Connection of the Wiring Diagram 6 SB WA520GC ...

Страница 7: ...replacement reverse the respective procedures Special reassembly procedures are described only when required 3 Select items from the following index when checks or replacement are required Contents Disassembly of the Speaker Unit Main Component Replacement Procedures 8 1 Disassembly flow chart The following chart is the procedure for disassembling the casing and inside parts for internal inspectio...

Страница 8: ... Remove the screws from the rear panel s speaker unit guide Step 5 Remove the screws from the subwoofer Disassembly of Power Amp unit Steps 6 7 Remove the screws Step 8 Pull out the Power Amp unit slightly as shown Note Be careful of attach wire at CN506 8 2 Disassembly of the Speaker Unit and Checking of the P C B s 8 SB WA520GC ...

Страница 9: ...ws Step 12 Release the connector CN507 to remove the rear panel Checking for the Power and AC Inlet P C B Step 13 Remove the screws from the AC Inlet P C B Steps 14 15 Remove the screws Step 16 Place the Power P C B and the AC Inlet P C B as shown for checking Checking for the Transformer P C B 9 SB WA520GC ...

Страница 10: ... B as shown for checking Replacement of the Power IC and Transistor Step 1 Desolder the Power IC and Transistor terminals Step 2 Remove the screws from the IC501 Step 3 Remove the screw Step 4 Replacement of the Power IC and Transistor 10 SB WA520GC ...

Страница 11: ...501 Q502 SWITCH DC_DET Q520 INTERFACE SWITCH Q511 MUTE_H Q515 Q519 DCDET SWITCH VOLTAGE REGULATOR D513 D515 D517 D511 D512 D516 D518 T501 T502 D508 SUBAC2 SUBAC1 TO MAIN BLOCK JK2000 OF SA HT520GC GCP GCS GS S FL1 FL2 Q518 VOLTAGE REGULATOR POWER HIC DUAL LOW NOISE OP AMP SIGNAL LINES IC501 RSN311W64B P JK500 AC INLET RLY501 POWER TRANSFORMER IC502 C0AABB000055 SUB TRANSFORMER JK502 CENTRE SPEAKER...

Страница 12: ...fied by mark have special 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 prevent...

Страница 13: ... 7K R507 3 9K R511 15K R512 15K R508 3 9K R541 100 C516 0 01 C515 0 01 C517 0 01 R542 100 R544 100 R402 1K Q503 R532 4 7K R523 120K R524 120K R526 120K R527 120K C537 0 1 R554 820K C513 0 047 R519 820K R520 22K C514 6 3V100 R529 22K R530 1 R531 1 R521 10K R522 27K C529 0 1 R549 47K R547 390K C534 50V33 R548 330K R553 56K R550 10K C536 16V33 R561 100 R560 10K R559 56K R558 18 C538 6 3V100 R557 56K ...

Страница 14: ...31 1000P C530 1000P C550 0 01 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 GND SYNC SYS6V HELP D516 FP1 K5G502AA0002 FP1 5A Q514 H505A W505 D524 SLI325URCT31 R577 ...

Страница 15: ... ETP76VSU62DA D527 D528 B0EAKM000122 D525 B0BA7R000005 D530 T502 G4C2AAJ00005 C571 16V1000 D530 B0EAKM000122 D529 MA2C700A0F C570 0 01 Q518 B1AAGC000007 VOLTAGE REGULATOR D534 B0AACK000004 WHT ORG GRY YEL BLK LBLU VIO RED S500 K0AFZA000005 WHT W9 ORG W10 GRY W3 YEL W4 RED W5 VIO W6 LBLU W7 BLK W8 F2 250V 1 6A FC503 FC504 W8 W7 W6 W5 W9 W10 W3 W4 12 11 10 2 4 6 8 9 7 5 3 1 4 3 2 1 2 4 6 7 5 3 1 1 2...

Страница 16: ... D504 R545 C539 R551 R555 C540 R521 R522 R542 D508 D507 R541 R539 R540 R544 R543 C550 C527 C532 C531 C530 C533 C513 CN506 CN501 J521 J408 J506 J507 J508 J509 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 J552 J519 ...

Страница 17: ...544 J546 J582 J583 1 3 J505 E501 R567 C567 D533 J566 J518 R575 J551 J585 FP1 5A C551 J541 R402 Q520 J418 B C E B C E B C E B C E 1 2 3 1 2 3 4 5 6 7 8 9 10 11 12 2 C515 D518 C501 C502 C503 C504 R514 R525 C508 C507 C510 R524 R526 R516 Q503 D512 D516 C516 C506 C505 R529 R556 Q510 R554 C537 Q508 R559 C536 Q509 R557 C538 R561 D505 R553 Q507 R550 R552 D506 R532 R513 C546 C547 D515 C517 C545 J510 J564 J...

Страница 18: ...AC VOLTAGE LINE PLEASE DO NOT 1 2 3 4 110 127 220 230 240V 50 60HZ AC IN AC INLET P C B REPX0332D TRANSFORMER P C B REPX0332D LED P C B REPX0332D S500 VOLTAGE SELECTOR PbF VOLTAGE SELECTOR REPX0332D C571 C570 D534 D5 29 B C E Q518 D530 C D E 1 2 3 4 5 6 7 8 9 10 11 12 8 9 10 11 12 13 14 15 16 17 1 2 3 4 5 6 7 W1 H500 W500 T501 POWER TRANSFORMER BRW J520 FC503 FC504 F2 T1 6AL W2 BLU W8 BLK W7 LBLU ...

Страница 19: ...50 60HZ AC IN 7 1 JK500 T502 SUB TRANSFORMER W2 W1 CN502 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 VOLTAGE SELECTOR P C B 1 2 3 25 1 24 2 CN501 JK502 1 2 1 2 3 CN506 CN507 7 1 CP502 CN503 3 2 1 H505B W505 JK501 4 2 3 1 6 2 5 1 S500 VOLTAGE SELECTOR PbF W4 ...

Страница 20: ...0AACK000004 B0HARM000017 B0JAPG000019 MA2C700A0F SLI325URCT31 B0BA9R600002 B0BA7R000005 C0AABB000055 RSN311W64B P 1 26 1 4 8 5 E C B KTA12710YTA C E B B C E A Ca Anode Cathode B0BA5R100013 A Ca Anode Cathode A Ca Cathode Anode Anode Cathode A Ca Anode Cathode A Ca B0EAKM000122 Cathode A Ca Anode 20 SB WA520GC ...

Страница 21: ...olour Parts without these indications can be used for all areas Capacitor values are in microfarads µF unless specified otherwise P Pico farads pF F Farads Resistance values 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 fo...

Страница 22: ...14 1 Cabinet 14 1 1 Cabinet Parts Location 22 SB WA520GC ...

Страница 23: ...M 5 RGRX0033D BJ REAR PANEL M 6 REM0072 3 FAN M 7 SHE187 6J PCB SUPPORT M 8 RMN0203 PCB HOLDER M 9 RMRX0047 J LED HOLDER M 10 RKAX0018 KJ LEG CUSHION M 11 RMC0158 S TR FIXTURE M 12 XTW3 15T SCREW M 13 RHD30092 SCREW M 14 XTB3 16AFZ SCREW M 15 XTB3 20JFZ SCREW M 16 XTB4 15AFZ SCREW M 17 XTBS3 8JFZ1 SCREW M 18 XTS4 20JFZ SCREW M 19 XYC26 CJ6FZ SCREW M 22 RMKX0091A AJ BOTTOM CHASSIS M 23 RMGX0039 KJ ...

Страница 24: ...R000005 DIODE M D527 B0EAKM000122 DIODE M D528 B0EAKM000122 DIODE M D529 MA2C700A0F DIODE M D530 B0EAKM000122 DIODE M D533 B0BA5R100013 DIODE M D534 B0AACK000004 DIODE M SWITCHES S500 K0AFZA000005 VOLTAGE SELECTOR M CONNECTORS CN501 K1FB125B0095 SYSTEM CONNECTOR M Ref No Part No Part Name Description Remarks CN502 K1KB07B00020 2P CONNECTOR M CN503 K1KA12A00066 CONNECTOR M CN506 K1KA03A00006 CONNEC...

Страница 25: ...RDS2TJ151T 150 1 4W M R569 ERDS1FVJ392T 3 9K 1 2W M R570 ERDS2TJ103T 10K 1 4W M Ref No Part No Part Name Description Remarks R571 ERDS2TJ332T 3 3K 1 4W M R572 ERDS2TJ223T 22K 1 4W M R573 D0XGR10JA005 0 1 1 10W M R575 ERDS2TJ682T 6 8K 1 4W M R577 ERDS2TJ152T 1 5K 1 4W M R578 ERDS2TJ103T 10K 1 4W M R579 ERDS2TJ332T 3 3K 1 4W M R580 ERDS2TJ220T 22 1 4W M R587 ERDS2TJ272T 2 7K 1 4W M R588 ERDS2TJ824T ...

Страница 26: ...101A234 100P 16V M C558 ECA1CM102B 1000 16V M C559 ECBT1H103KB5 0 01 50V M C560 ECA1HM100B 10 50V M C561 ECEA1HKA2R2B 2 2 50V M C562 ECQB1H562JF3 5600P 50V M C563 ECQV1H823JL3 0 082 50V M C564 ECBT1C122KR5 1200P 16V M C565 F1D1H1040002 0 1 50V M C566 F1D1H1040002 0 1 50V M C567 ECA1HM100B 10 50V M C568 ECBT1C103NS5 0 01 16V M C569 F1D1H473A012 0 047 50V M C570 ECBT1H103KB5 0 01 50V M C571 ECA1CM10...

Страница 27: ...e Description Remarks PACKING MATERIALS Ref No Part No Part Name Description Remarks P1 RPNX0232 POLYFOAM M P2 RPFX0071 MIRAMAT BAG M 14 3 Packing Materials Accessories Parts List 14 4 Packaging 27 SB WA520GC FLE0403N S A P E ...

Страница 28: ......

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