Panasonic SB-WA730PP Service Manual Download Page 14 | Manualshive

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Step 3:

Remove the screw and Transistor holder.

Step 4:

Detach the Power IC and Transistor from Heat sink.

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SB-WA730PP

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Summary of Contents for SB-WA730PP

Page 1: ...Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law SB WA730PP Colour S Silver Type Note Specifications are subject to change without notice Mass and dimensions are approximate SB HT730P S consists of SB FS730P S X 2 SB FS731P S x 2 and SB PC730P S x 1 n System SC HT730P S Music Center SA HT730P S Satellite Speakers SB HT730P S Active Subwoofe...

Page 2: ...hematic Diagram 19 10 1 Power Circuit 19 10 2 Transformer Circuit and AC Inlet Circuit 21 11 Printed Circuit Board 22 11 1 Power P C B 22 11 2 AC Inlet P C B and Transformer P C B 24 12 Wiring Connection Diagram 25 13 Illustration of IC 痴 Transistors and Diodes 26 14 Parts Location and Replacement Parts List 27 14 1 Cabinet 28 14 2 Electrical Parts List 31 14 3 Packing Materials Accessories Parts ...

Page 3: ...ce value between the jumpered AC plug and each exposed metallic cabinet part on the equipment such as screwheads connectors control shafts etc When the exposed metallic part has a return path to the chassis the reading should be between 1MΩ and 5 2Ω 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...

Page 4: ...1 1 3 Caution for fuse replacement 4 SB WA730PP ...

Page 5: ... 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 Current consumption at AC 120V 60Hz in NO SIGNAL mode volume at min should be 750 mA 4 Protection Circuitry The protection circuitry may have operated if either of the following conditions are noticed No...

Page 6: ... 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 6 SB WA730PP ...

Page 7: ...rse 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 and Checking of the P C B Main Component Replacement Procedures 6 1 Disassembly flow chart The following chart is the procedure for disassembling the casing and inside parts for internal...

Page 8: ...6 1 2 8 SB WA730PP ...

Page 9: ... wood chip 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 6 2 Disassembly of the Speaker Unit and Checking of the P C B 9 SB WA730PP ...

Page 10: ...glue Step 2 Replace the Front Panel Unit firmly back to the cabinet 6 2 2 Disassembly of the Woofer Speaker Unit Follow Step 1 to Step 4 described in section 6 2 1 Step 1 Remove 4 screws from the Woofer 1 Step 2 Remove the Woofer 1 by detaching wires the and Step 3 Remove 4 screws from the Woofer 2 10 SB WA730PP ...

Page 11: ...sassembly 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 Step 3 Pull out the Power Amp Unit slightly as shown Step 4 Disconnect connector CN506 11 SB WA730PP ...

Page 12: ...e connector CN507 to detach the rear panel Step 4 Remove 4 screws from the rear panel Step 5 Lay the rear panel and remove the Fan Unit as arrow shown 6 2 5 Disassembly and checking of the AC Inlet P C B Power P C B and Transformer P C B Follow Step 1 to Step 5 described in section 6 2 3 Follow Step 1 to Step 5 described in section 6 2 4 Step 1 Remove the P C B support by pushing the claws as 12 S...

Page 13: ...row shown Step 4 5 Remove 8 screws Step 6 Remove 4 screws Step 7 Connect back the connector CP502 between Power AC Inlet P C B for checking 6 2 6 Replacement of Power IC and Transistor Step 1 Desolder the Power IC and Transistor terminal Step 2 Remove 2 screws and Power IC501 13 SB WA730PP ...

Page 14: ...Step 3 Remove the screw and Transistor holder Step 4 Detach the Power IC and Transistor from Heat sink 14 SB WA730PP ...

Page 15: ...2 23 24 25 26 CD PLAY 63 2 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 E C B E C B CD PLAY 0 5 1 0 0 5 1 0 0 0 1 1 6 0 0 8 0 0 8 0 0 8 STANDBY 0 0 6 0 0 0 6 0 0 0 0 7 0 0 2 0 0 2 0 0 2 Ref No MODE E C B E C B E C B E C B E C B CD PLAY 5 2 30 7 5 6 11 4 30 7 11 9 0 2 0 0 0 11 4 0 2 11 4 5 1 11 4 STANDBY 0 3 0 2 0 2 0 1 0 0 3 7 3 7 0 0 0 0 0 0 3 0 Ref No MODE E C B E C B E C B E C ...

Page 16: ...03 PIN 13 CD PLAY 6 88Vp p 10msec div CN503 PIN 14 CD PLAY 6 84Vp p 10msec div CN503 PIN 15 CD PLAY 628mVp p 10msec div CN501 PIN 3 CD PLAY 18 0Vp p 10msec div CN501 PIN 21 CD PLAY 5 32Vp p 10msec div CN501 PIN 22 CD PLAY 6 76Vp p 10msec div CN501 PIN 23 CD PLAY 18 0Vp p 10msec div CN503 PIN 4 CD PLAY 63 6Vp p 10msec div CN501 PIN 24 CD PLAY 6 60Vp p 10msec div CN501 PIN 25 CD PLAY 18 4Vp p 10msec...

Page 17: ...TCH DC_DET Q520 INTERFACE SWITCH Q511 HP_CNT MUTE_H Q515 Q519 DCDET SWITCH VOLTAGE REGULATOR D597 D598 D599 T501 D508 AC2 5 SUBAC2 AC1 4 SUBAC1 TO MAIN BLOCK JK2000 OF SA HT730VP PC S FL1 FL2 B Q512 VOLTAGE REGULATOR B B SYNC Q517 VOLTAGE REGULATOR Q516 SYNC SWITCH T502 D528 POWER HIC SIGNAL LINES IC501 RSN311W64D P JK500 AC INLET RLY501 POWER TRANSFORMER JK502 CENTRE SPEAKER SUBWOOFER JK501 FRONT...

Page 18: ... 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...

Page 19: ...3 0 047 R519 820K R530 1 R531 1 R521 10K R522 27K C529 0 1 R549 3 9K R547 390K C534 50V33 R548 330K R545 220K Q506 B1GCCFJJ0015 INTERFACE SWITCH Q505 B1AACF000089 SWITCHING Q501 Q502 B1AACF000089 SWITCH Q503 B1AACF000089 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 ...

Page 20: ...5K C520 0 047 C521 0 047 C522 0 047 C523 0 047 R535 10 R536 10 R537 10 R538 10 FP1 K5G502AA0002 R609 1 5K D561 B0BA01100004 C572 50V100 R560 150 C573 1000P R561 3 9K SRLch FRch FLch PCONT DL GND SYNC SYS6V NC R571 1 8K E500 2 4 6 7 5 3 1 3 1 2 4 2 4 3 1 TO AC INLET CIRCUIT CN502 ON SCHEMATIC DIAGRAM 3 SCHEMATIC DIAGRAM 2 POWER CIRCUIT B SIGNAL LINE MAIN SIGNAL LINE B SIGNAL LINE 6 5 4 3 2 1 TO TRA...

Page 21: ... W503 HELP C571 16V1000 C558 16V1000 2 4 6 7 5 3 1 SCHEMATIC DIAGRAM 3 TRANSFORMER CIRCUIT B SIGNAL LINE TO POWER CIRCUIT CP502 ON SCHEMATIC DIAGRAM 2 AC INLET CIRCUIT 3 1 14 3 12 11 10 2 4 6 8 9 7 5 13 1 C555 35V4 7 C556 0 01 C557 10V47 C559 0 01 D525 B0BA6R600008 D527 B0EAKM000122 Q516 B1GACFJJ0016 SYNC SWITCH R578 10K R588 150 R589 10K T502 G4C2AAJ00005 D527 15 D528 B0EAKM000122 Q517 B1BACG0000...

Page 22: ... J573 J536 J597 J410 R535 R565 R583 R581 R536 C550 C522 C532 C531 C530 C533 C519 C520 C518 C521 C569 R606 R538 R530 R531 R533 R534 R537 Q55 D502 CN507 E500 CN501 IC501 C576 JK501 JK502 J626 J501 J502 D501 C513 C J515 CP502 R577 J627 J581 CN506 C523 J623 J414 J621 J625 J622 SURROUND LEFT SPEAKER FRONT LEFT SPEAKER FRONT RIGHT SPEAKER SURROUND RIGHT SPEAKER TO MAIN UNIT CENTRE SPEAKER 1 2 1 3 25 24 ...

Page 23: ...566 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 C64...

Page 24: ...500 C571 J900 J901 Z501 RLY501 CN502 JK500 J6010 J6007 J6008 R401 J6006 J6005 D500 R579 J6009 R580 C559 D528 R590 Q519 Q515 Q516 D527 R589 R578 C555 C557 Q517 D525 R587 C556 T502 SUB TRANSFORMER C558 R588 J6001 J6002 J6003 J6004 FC501 FC502 W2 W1 W2 W1 H503 W503 T501 POWER TRANSFORMER BRW BLU BRW BLU F1 125V 5A SECONDARY PRIMARY 4 3 2 1 7 6 5 4 3 2 1 3 1 2 5 4 1 15 13 14 B C E B C E B C E B C E 12...

Page 25: ...W BLU 120V 60Hz 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 FAN SPEAKER WOOFER 25 1 24 2 CN501 JK502 JK501 1 2 1 2 3 CN506 CN507 7 1 CP502 CN503 4 2 3 1 6 2 5 1 4 SB WA730PP 25 ...

Page 26: ...F000063 MA2C700A0F A Ca Anode Cathode B0BA5R100013 B0BA6R600008 A Ca Cathode Anode B0FBAM000009 B0JAPG000019 B0EAKM000117 Anode Cathode A Ca B0BA01900005 B0BA01100004 B0AACK000004 2SD0592ARA E C B B1BCCG000021 B1BACG000036 B C E B0BA5R600016 RSN311W64D P 1 26 B0EAKM000122 Cathode A Ca Anode 26 SB WA730PP ...

Page 27: ...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...

Page 28: ...14 1 Cabinet 14 1 1 Cabinet Parts Location 28 SB WA730PP ...

Page 29: ...29 SB WA730PP ...

Page 30: ... PACKING WOOFER M 5 RGNX0273 S SPEC LABEL M 6 XTS4 16JFJ SCREW TBZP M 7 REM0072 4 FAN M 8 RGRX0040A H REAR PANEL M 9 RHD30065 1S SCREW TBZP M 10 RHD30090 1 SCREW M 11 RHD30119 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 TBZP M 17 XTB4 10GFJ SCREW TBZP M 18 XTW3 15TFJ SCREW TBZP M 19 RGPX0174 WOOFER SPACER M 20 RM...

Page 31: ...TORS CN501 K1FB125B0095 SYSTEM CONNECTOR M CN502 K1KB07B00020 CONNECTOR M CN503 K1KA15A00159 15P CONNECTOR M CN506 K1KA04A00105 4P CONNECTOR M CN507 K1KA02A00008 2P CONNECTOR M CP502 K1KA07A00123 7P CONNECTOR M T501 G4C7AHD00004 POWER TRANSFORMER M T502 G4C2AAJ00005 BACK UP TRANSFORMER M Ref No Part No Part Name Description Remarks COMPONENT COMBINATION Z501 ERZV10V511CS ZENER M SPEAKER SP1 EAS13P...

Page 32: ... ERD2FCVJ4R7T 4 7 1 4W M CAPACITORS C501 ECBT1H102KB5 1000P 50V M C502 ECBT1H102KB5 1000P 50V M C503 ECBT1H102KB5 1000P 50V M C504 ECBT1H102KB5 1000P 50V M C505 ECBT1H102KB5 1000P 50V M C506 ECBT1H102KB5 1000P 50V M C507 ECBT1H180JC5 18P 50V M C508 ECBT1H180JC5 18P 50V M C509 ECBT1H220JC5 22P 50V M C510 ECBT1H220JC5 22P 50V M C511 ECBT1H220JC5 22P 50V M C512 ECBT1H220JC5 22P 50V M C513 F1D1H473A01...

Page 33: ...escription Remarks PACKING MATERIALS Ref No Part No Part Name Description Remarks P1 RPNX0295 POLYFOAM ASW M P2 RPFX0071 MIRAMAT BAG M 14 3 Packing Materials Accessories Parts List 14 4 Packaging 33 SB WA730PP FLE0411 P A S E N ...

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