Panasonic SB-WA885EE Скачать руководство пользователя страница 13 | Manualshive

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6.2.7. Replacement of Power IC and

Transistor

Follow Step (1) to Step (5) described in section 6.2.4.
Follow Step (1) to Step (3) described in section 6.2.5.

Step 1:

Desolder the Power IC and Transistor terminal.

Step 2:

Remove 2 screws and Power IC501.

Step 3:

Remove the screw and Transistor holder.

Step 4:

Detach the Power IC and Transistor from Heat sink.

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SB-WA885EE

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Содержание SB-WA885EE

Страница 1: ...ling the Lead free Solder 4 4 1 About lead free solder PbF 4 2005 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law SB WA885EE Colour S Silver Type Note Specifications are subject to change without notice Mass and dimensions are approximate n System SC HT885 EE Music Center SA HT885 EE Satellite Speakers SB HT880 GC Active Subwoof...

Страница 2: ... Transformer Circuit and AC Inlet Circuit 20 11 Printed Circuit Board 21 11 1 Power P C B 21 11 2 AC Inlet P C B and Transformer P C B 23 12 Wiring Connection Diagram 24 13 Illustration of ICs Transistors and Diodes 25 14 Parts Location and Replacement Parts List 26 14 1 Cabinet 27 14 2 Electrical Parts List 30 14 3 Packing Materials Accessories Parts List 32 15 Packaging 32 2 SB WA885EE ...

Страница 3: ...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 Do 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 Figure 1 3 Use an...

Страница 4: ...amplifier are used If this occurs follow the procedure outlines below 1 Turn off the power 2 Determine the cause of the problem and correct it 3 Turn on the power once again after one minute Note When the protection circuitry functions the unit will not operate unless the power is first turned off and then on again 4 Handling the Lead free Solder 4 1 About lead free solder PbF Distinction of PbF P...

Страница 5: ... be 4Ω Be sure to connect the cable from the right speaker to the right terminal and the cable from the 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 5 SB WA885EE ...

Страница 6: ...om the following index when checks or replacement are required Disassembly of the Front Panel Unit Disassembly of the Woofer 1 Disassembly of the Woofer 2 Disassembly of the Power Amp Unit Disassembly of the Rear Panel and Fan Unit Disassembly and checking of the AC Inlet P C B Power P C B and Transformer P C B Replacement of Power IC and Transistor 6 1 Disassembly flow chart The following chart i...

Страница 7: ...6 1 2 Disassembly of Rear Assembly 7 SB WA885EE ...

Страница 8: ...hip in between the Front Panel Unit and the steel ruler as arrow shown Step 3 Use the screwdriver to slightly lift up the Front Panel Unit as arrow shown Note Be careful with the bosses which are glued to the Subwoofer Cabinet Assembly Step 4 Remove the Front Panel Unit from the Subwoofer Cabinet Assembly as arrow shown 6 2 Disassembly of the Speaker Unit and Checking of the P C B 8 SB WA885EE ...

Страница 9: ...p 2 Replace the Front Panel Unit firmly back to the cabinet 6 2 2 Disassembly of the Woofer 1 Follow Step 1 to Step 4 described in section 6 2 1 Step 1 Remove 4 screws Step 2 Remove the Woofer 1 by detaching the red and black wires 6 2 3 Disassembly of the Woofer 2 Follow Step 1 to Step 4 described in section 6 2 1 9 SB WA885EE ...

Страница 10: ...e the Woofer 2 by detaching the red and black wires 6 2 4 Disassembly of the Power Amp Unit Step 1 Lay the speaker unit as shown Remove 6 screws from the bottom of the woofer unit Step 2 Remove 3 screws from the rear panel 10 SB WA885EE ...

Страница 11: ... Pull out the entire Power Amp Unit 6 2 5 Disassembly of the Rear Panel and Fan Unit Follow Step 1 to Step 5 described in section 6 2 4 Step 1 2 Remove 7 screws from the rear panel Step 3 Disconnect the connector CN507 to detach the rear panel Step 4 Remove 4 screws from the rear panel 11 SB WA885EE ...

Страница 12: ...cribed in section 6 2 4 Follow Step 1 to Step 3 described in section 6 2 5 Step 1 Remove the P C B support by pushing the claws as arrow shown Step 2 Disconnect the connector CN502 Step 3 Lift up the AC Inlet P C B as arrow shown Step 4 5 Remove 6 screws Step 6 Remove 4 screws Step 7 Flip the Power P C B as shown for checking both Power P C B and Transformer P C B 12 SB WA885EE ...

Страница 13: ...d in section 6 2 4 Follow Step 1 to Step 3 described in section 6 2 5 Step 1 Desolder the Power IC and Transistor terminal Step 2 Remove 2 screws and Power IC501 Step 3 Remove the screw and Transistor holder Step 4 Detach the Power IC and Transistor from Heat sink 13 SB WA885EE ...

Страница 14: ...STANDBY 0 6 0 0 0 3 6 0 3 6 0 11 4 6 6 0 0 0 Q519 Q517 Q516 AC INLET P C B Q515 7 1 2 POWER P C B Ref No MODE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 CD PLAY 0 0 65 7 65 4 0 32 0 31 8 0 0 1 0 0 0 0 0 2 32 3 32 2 10 3 0 0 65 5 STANDBY 0 0 16 1 0 3 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 16 1 Ref No MODE 21 22 23 24 25 26 CD PLAY 65 5 0 0 0 0 0 STANDBY 0 4 0 0 0 0 0 Ref No MODE E C B E C B 1 2 3 ...

Страница 15: ...Y 6 72Vp p 10msec div CN501 PIN 24 CD PLAY 6 68Vp p 10msec div CN503 PIN 1 CD PLAY 134Vp p 10msec div CN503 PIN 3 CD PLAY 67 2Vp p 10msec div CN503 PIN 7 CD PLAY 67 2Vp p 10msec div CN503 PIN 9 CD PLAY 134Vp p 10msec div CP502 PIN 4 CD PLAY 5 20Vp p 10msec div CN501 PIN 8 CD PLAY 1 07Vp p 10msec div 15 SB WA885EE ...

Страница 16: ...TERFACE SWITCH HP_CNT MUTE_H Q515 Q519 DCDET SWITCH VOLTAGE REGULATOR D597 D598 D599 T501 T502 D508 AC2 5 SUBAC2 AC1 4 SUBAC1 TO MAIN BLOCK JK2000 OF SA HT885EE S FL1 FL2 B B D527 D530 B VOLTAGE REGULATOR POWER HIC SIGNAL LINES IC501 RSN311W64D P JK500 AC INLET RLY501 POWER TRANSFORMER BACK UP TRANSFORMER JK502 CENTRE SPEAKER CN506 SUBWOOFER JK501 FRONT SPEAKER JK501 JK502 SURROUND SPEAKER FAN MOT...

Страница 17: ... 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 prevented b...

Страница 18: ... Q502 B1AACF000117 SWITCH Q503 B1AACF000117 SWITCH IC501 RSN311W64D P POWER HIC C551 0 01 R525 150K D558 D559 B0AACK000004 D555 B0AACK000004 D562 B0AACK000004 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 2 4 6 8 9 7 5 3 1 SCHEMATIC DIAGRAM 1 POWER CIRCUIT B SIGNAL LINE B SIGNAL LINE TO FAN TO MAIN CIRCUIT JK2000 OF SA HT885EE S R583 100 R584 47K D559 D558 R582 220K C576 50V 10P C577 16V 10 R603...

Страница 19: ...1 B0BA01100004 C572 50V100 R560 150 C573 1000P R561 3 9K D509 SRLch FRch FLch PCONT GND SYNC SYS6V R571 1 8K C569 0 047 R621 10 L501 G0AR76Y00001 R622 10 R625 10 R624 10 R623 10 L502 G0AR76Y00001 FP1 5A L505 G0AR76Y00001 L503 G0AR76Y00001 L504 G0AR76Y00001 SUB B HELP 2 4 6 7 5 3 1 TO AC INLET CIRCUIT CN502 ON SCHEMATIC DIAGRAM 3 SCHEMATIC DIAGRAM 2 POWER CIRCUIT B SIGNAL LINE B SIGNAL LINE 1 2 3 4...

Страница 20: ...R401 220K R590 1K Q515 Q519 D527 D530 B0EAKM000122 D525 B0BA6R600008 T501 G4C8AHK00006 T502 G4C2AAJ00005 H503 W503 C558 16V1000 W2 L500 ELF15N035AN SUB B HELP 2 4 6 7 5 3 1 R588 150 D528 RLY501 K6B1AEA00003 3 4 1 2 Z501 ERZV10V511CS D527 D530 D529 SCHEMATIC DIAGRAM 3 TRANSFORMER CIRCUIT B SIGNAL LINE B SIGNAL LINE TO POWER CIRCUIT CP502 ON SCHEMATIC DIAGRAM 2 AC INLET CIRCUIT 14 13 12 11 10 2 4 6 ...

Страница 21: ...595 J594 J593 J538 J577 J532 J598 J591 J592 J512 J568 J521 J534 J571 J572 J570 J528 J539 J573 J536 J597 J410 R535 R565 R583 R581 R536 C550 C522 C532 C531 C530 C533 C519 C520 C518 C521 C569 R6 R538 R530 R531 R533 R534 R537 Q5 D502 CN507 E500 CN501 IC501 C576 JK501 JK502 J626 J501 J502 D501 C513 CP502 R577 J627 J581 CN506 C523 C524 C525 C527 C526 C528 R621 R622 R623 R624 R625 L505 L504 L503 L502 L50...

Страница 22: ... D565 J543 J588 J506 J579 J565 J576 J511 J532 J564 J510 J598 J541 J559 J516 J585 J558 J583 J584 J586 J587 J544 J530 J520 J549 J552 J542 J578 J569 J566 J535 R565 R582 R583 R581 R584 R603 R402 R558 D562 D557 D560 D556 D555 D509 C554 Q555 Q557 C574 C579 C575 Q554 Q553 C578 Q511 Q512 C573 FP1 5A R563 R606 R561 R610 R609 R569 Q556 D510 D502 C546 D599 D598 D597 CN503 C580 C514 C560 C516 C515 C570 C647 I...

Страница 23: ...579 J6009 R580 C559 D528 R590 Q519 Q515 Q516 D527 R589 R578 C555 C557 Q517 D525 R587 C556 T502 BACK UP TRANSFORMER C558 R588 J6001 J6002 J6003 J6004 FC501 FC502 W2 BLU W1 BRW F1 T2AL 250V T501 POWER TRANSFORMER W2 BLU W1 BRW L500 SECONDARY PRIMARY PbF CAUTION RISK OF ELECTRIC SHOCK AC VOLTAGE LINE PLEASE DO NOT TOUCH THIS P C B PbF 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 3 4 5 2 1 1 2 4 3 1 2 3 4 5 6 ...

Страница 24: ...0V 50Hz AC IN 7 1 JK500 W2 W1 CN502 W1 W2 TO MAIN UNIT CENTER SPEAKER SURROUND RIGHT SPEAKER FRONT RIGHT SPEAKER FRONT LEFT SPEAKER SURROUND LEFT SPEAKER POWER P C B AC INLET P C B TRANSFORMER P C B SPEAKER WOOFER 25 1 24 2 CN501 JK502 JK501 2 1 1 2 3 CN506 CN507 7 1 CP502 CN503 4 2 3 1 6 2 5 1 4 FAN PbF PbF 24 SB WA885EE ...

Страница 25: ...RSN311W64D P 1 26 B1GCCFJJ0016 B C E C B E B1BACG000048 B1BCCG000023 B0EAKM000122 Cathode A Ca Anode C B1ACCF000094 E B B0JAPG000019 B0EAKM000117 Anode Cathode A Ca B1GACFJJ0018 C E B B1AACF000117 B0BA5R100013 B0BA6R600008 A Ca Cathode Anode B0BA01900005 B0BA01100004 B0BA5R600016 B0FBAM000009 25 SB WA885EE ...

Страница 26: ...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 27: ...14 1 Cabinet 14 1 1 Cabinet Parts Location 27 SB WA885EE ...

Страница 28: ...28 SB WA885EE ...

Страница 29: ...RMQX0106 EVA PACKING WOOFER M 5 RGNX0271B S SPEC LABEL M 6 XTS4 16JFJ SCREW M 7 REM0072 4 FAN M 8 RGRX0040F H REAR PANEL M 9 RHD30065 1S SCREW M 10 RHD30090 1 SCREW M 11 RHD30119 S SCREW M 12 RMC0158 S2 TR FIXTURE M 13 RMG0606 K FAN INSULATOR M 14 RMN0203 PCB HOLDER M 15 XTB3 10JFJ SCREW M 16 XTB3 16AFJ SCREW M 17 XTB4 10GFJ SCREW M 18 XTW3 15TFJ SCREW M 19 RGPX0174 WOOFER SPACER M 20 RMQX0108 E P...

Страница 30: ...M D597 B0FBAM000009 DIODE M D598 B0FBAM000009 DIODE M D599 B0FBAM000009 DIODE M CONNECTORS CN501 K1FB125B0095 SYSTEM CONNECTOR M CN502 K1KB07B00020 7P CONNECTOR M CN503 K1KA15AA0319 15P CONNECTOR M CN506 K1KA04AA0186 4P CONNECTOR M CN507 K1KA02AA0186 2P CONNECTOR M CP502 K1KA07AA0297 7P CONNECTOR M Ref No Part No Part Name Description Remarks COILS TRANSFORMERS L500 ELF15N035AN LINE FILTER M L501 ...

Страница 31: ... 2W M R610 ERD2FCVJ4R7T 4 7 1 4W M R621 ERDS2TJ100T 10 1 4W M R622 ERDS2TJ100T 10 1 4W M R623 ERDS2TJ100T 10 1 4W M R624 ERDS2TJ100T 10 1 4W M R625 ERDS2TJ100T 10 1 4W M CAPACITORS Ref No Part No Part Name Description Remarks C501 F1D1H102A012 1000P 50V M C502 F1D1H102A012 1000P 50V M C503 F1D1H102A012 1000P 50V M C504 F1D1H102A012 1000P 50V M C505 F1D1H102A012 1000P 50V M C506 F1D1H102A012 1000P ...

Страница 32: ... Description Remarks PACKING MATERIALS Ref No Part No Part Name Description Remarks P1 RPNX0317 POLYFOAM M P2 RPFX0071 MIRAMAT BAG M 14 3 Packing Materials Accessories Parts List 15 Packaging 32 SB WA885EE FLE0506 A S E N J P ...

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