Panasonic SB-WA720PP Service Manual Download | Manualshive

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13.1.2. Cabinet Parts List

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Summary of Contents for SB-WA720PP

Page 1: ...be used in early or late production set Use original parts until exhausted then stock new parts B Original New Early Late Original parts may be used in early production sets only New parts may be used in early or late production sets Use original parts where possible then stock new parts O C Original New Early Late New parts only may be used in early or late production sets Stock new parts D Origi...

Page 2: ...opy of the Service Manual for Model No SB WA720PP S ORDER NO MD0401014C1 Model No SB WA720GCP S ORDER NO MD0404163C3 Model No SB WA520GN S ORDER NO MD0403116C3 T I No 26326 For Factory Reference only 2 SB WA720PP SB WA720GCP SB WA520GN FLE0407 ...

Page 3: ...ORDER NO MD0401014C1 A6 Active Subwoofer System SB WA720PP Colour S Silver Type SPECIFICATIONS Specification 1 ...

Page 4: ...s are approximate SB HT720P S consists of SB FS520P S x 2 SB FS720P S x 2 and SB PC720P S x 1 System SC HT720 P Music Center SA HT720 P Satellite Speakers SB HT720 P Active Subwoofer SB WA720 PP System SC HT720 PC Music Center SA HT720 PC Satellite Speakers SB HT720 P Active Subwoofer SB WA720 PP 2004 Panasonic AVC Networks Singapore Pte Ltd All rights reserved Unauthorized copying and distributio...

Page 5: ... be sure to restore the lead dress insulation barriers insulation papers shields etc 5 Before returning the serviced equipment to the customer be sure to make the following insulation resistance test to prevent the customer from being exposed to a shock hazard 1 1 1 LEAKAGE CURRENT COLD CHECK 1 Unplug the AC cord and connect a jumper between the two prongs on the plug 2 Measure the resistance valu...

Page 6: ...ge current must not exceed 1 2 milliamp In case a measurement is outside of the limits specified there is a possibility of a shock hazard and the equipment should be repaired and rechecked before it is returned to the customer 2 Handling the Lead free Solder 2 1 About lead free solder PbF Distinction of PbF P C B P C B s manufactured using lead free solder will have a PbF stamp on the P C B Cautio...

Page 7: ...ker systems with an impedance less than the indicated rated impedance of the 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 5 Conn...

Page 8: ...ome chassis components may have sharp edges Be careful when disassembling and servicing 1 This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components 2 For reassembly after operation checks or replacement reverse the respective procedures Special reassembly procedures are described only when required 3 Select items from the fol...

Page 9: ...owing 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 Step 1 Remove all the screws Step 2 Remove the stand base 7 ...

Page 10: ...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 8 ...

Page 11: ...Step 6 Remove 2 screws from the Power Amp unit Step 7 Pull out the Power Amp unit slightly as shown Step 8 Release the connector CN506 then pull out the entire Power Amp unit 9 ...

Page 12: ...Steps 9 10 Remove all the screws Step 11 Release the connector CN507 to remove the rear panel Checking for the Power and AC Inlet P C B Step 12 Remove the screws from the AC Inlet P C B 10 ...

Page 13: ...Steps 13 14 Remove the screws Step 15 Place the Power P C B and the AC Inlet P C B as shown for checking Checking for the Transformer P C B Step 16 Remove the screws 11 ...

Page 14: ...e P C B as shown for checking 6 3 Main Component Replacement Procedures 6 3 1 Replacement of the Power IC and Transistor Step 1 Desolder the Power IC and Transistor terminals Step 2 Remove the screws from the IC501 12 ...

Page 15: ...y time with the development of the new technology Note The voltage value and waveforms are the reference voltage of this unit measured by DC electronic voltmeter high impedance and oscilloscope on the basis of chassis Accordingly there may arise some error in voltage values and waveforms depending upon the internal impedance of the tester or the measuring unit Importance safety notice 13 ...

Page 16: ...SI are sensitive to static electricity Secondary trouble can be prevented by taking care during repair Cover the parts boxes made of plastics with aluminium foil Put a conductive mat on the work table Ground the soldering iron Do not touch the pins of IC LSI or VLSI with fingers directly 10 Printed Circuit Board 11 Wiring Connection Diagram 12 Illustration of IC s Transistors and Diodes 13 Parts L...

Page 17: ...cified 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 for a specific period of time The retention period of a availability is dependent on the type of assembly and in ac...

Page 18: ...13 1 2 Cabinet Parts List 16 ...

Page 19: ...CJ6FZ SCREW M 20 RMNX0135 SPACER M 13 2 Electrical Parts List Ref No Part No Part Name Description Remarks PRINTED CIRCUIT BOARD REPX0430A POWER P C B AC INLET P C B TRANSFORMER P C B LED P C B M RTL INTEGRATED CIRCUITS IC501 RSN311W64B P IC HIC M IC502 C0AABB000055 IC AMP M TRANSISTORS Q501 KTC3199GRTA TRANSISTOR M Q502 KTC3199GRTA TRANSISTOR M Q503 KTC3199GRTA TRANSISTOR M Q505 KTC3199GRTA TRANS...

Page 20: ... M D555 B0AACK000004 DIODE M D556 B0BA9R600002 DIODE M D557 B0EAKM000117 DIODE M D558 B0AACK000004 DIODE M D559 B0AACK000004 DIODE M D560 B0AACK000004 DIODE M D561 B0BA01200008 DIODE M D562 B0AACK000004 DIODE M D563 B0BA01900005 DIODE M D564 B0BA01900005 DIODE M D565 B0BA01900005 DIODE M D566 B0BA01900005 DIODE M D597 B0FBAM000009 DIODE M D598 B0FBAM000009 DIODE M D599 B0FBAM000009 DIODE M CONNECT...

Page 21: ...OLDERS H500 K1YF15000004 15P WIRE HOLDER M H505A K1YZ03000010 3P CABLE HOLDER M H505B K1YZ03000010 3P CABLE HOLDER M JACKS JK500 K2AB2B000002 JK AC INLET M JK501 K4BC06B00043 JK M JK502 K4BC04B00075 JK SPEAKER M EARTH TERMINAL E500 K4CZ01000027 TERMINALS M E501 K4CZ01000027 TERMINALS M WIRES W1 REEX0365 PRI WIRE BROWN M W2 REEX0364 PRI WIRE BLUE M W500 REXX0361 15P TRANS TO PWR M W505 RWJ1103280XX...

Page 22: ...K 1 4W M R523 ERDS2TJ124T 120K 1 4W M R524 ERDS2TJ124T 120K 1 4W M R525 ERDS2TJ154T 150K 1 4W M R526 ERDS2TJ124T 120K 1 4W M R527 ERDS2TJ124T 120K 1 4W M R528 ERDS2TJ154T 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...

Page 23: ...TJ272T 2 7K 1 4W M R588 ERDS2TJ151T 150 1 4W M R589 ERDS2TJ103T 10K 1 4W M R590 ERDS2TJ102T 1K 1 4W M R591 ERDS2TJ682T 6 8K 1 4W M R592 ERDS2TJ683T 68K 1 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 R600 ERDS2TJ473T 47K 1 4W M R601 ERDS2TJ47...

Page 24: ...ECBT1H102KB5 1000P 50V M C534 ECA1HM330B 33 50V M C543 ECBT1H102KB5 1000P 50V M C544 ECA1HM101B 100 50V M C545 F1D1H1040002 0 1 50V M C546 ECA1SM332B 3300 100V M C547 ECA1SM472B 4700 100V M C548 ECA1SM472B 4700 100V M C549 ECA1SM332B 3300 100V M C550 ECBT1C103NS5 0 01 16V M C551 ECBT1H103KB5 0 01 50V M C553 ECQE1104KF3 0 1 100V M C554 ECQE1104KF3 0 1 100V M C555 ECEA1VKA4R7B 4 7 35V M C556 ECBT1H1...

Page 25: ...C578 ECBT1H103KB5 0 01 50V M C579 ECBT1H103KB5 0 01 50V M C580 ECEA1HKA100B 10 50V M C581 ECA1CM102B 1000 16V M C647 ECA1HM101B 100 50V M 13 3 Packing Materials Accessories Parts List Ref No Part No Part Name Description Remarks PACKING MATERIALS P1 RPNX0235 POLYFOAM M P2 RPFX0071 MIRAMAT BAG M 13 4 Packaging FLE0401 P A S E N 23 ...

Page 26: ... Q517 D530 C571 D528 D529 7 1 C559 R579 Q515 D500 D535 BRW BLU R500 L500 JK500 FC501 FC502 Z501 C500 RLY501 J500 J501 J502 J503 J522 J523 J525 W2 W1 J526 CN502 Q519 R590 J529 J540 R401 C556 R588 J551 F1 125V 5A C581 1 2 3 4 5 6 7 8 9 10 11 15 12 13 14 1 2 3 4 5 6 7 8 9 10 11 T501 POWER TRANSFORMER 12 SECONDARY PRIMARY 1 2 3 B C E B C E B C E B C E 6 5 4 3 2 4 3 T502 SUB TRANSFORMER PbF PbF PbF 120...

Page 27: ...513 0 047 R519 820K R520 22K C514 6 3V100 R529 22K R530 1 R531 1 R521 10K R522 27K C529 0 1 R549 4 7K R547 390K C534 50V33 R548 330K R545 220K Q506 B1GCCFJJ0015 INTERFACE SWITCH Q505 KTC3199GRTA SWITCHING Q501 Q502 KTC3199GRTA SWITCH Q503 KTC3199GRTA SWITCH IC501 RSN311W64B P POWER HIC C551 0 01 R528 150K R525 150K D558 D559 B0AACK000004 D555 B0AACK000004 D562 B0AACK000004 25 24 23 22 21 20 19 18 ...

Page 28: ... C549 42V3300 C548 42V4700 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 FP1 K5G502AA0002 Q514 H505A W505 D524 SLI325URCT31 R577 1 5K R608 1 5K R609 1 5K D561 B0BA01200008 C572 50V100 R560 150 C573 1000P R561 3 9K D509 2 1 3 2 4 6 7 5 3 ...

Page 29: ...T SWITCH RLY501 RSY0040M 0 Z501 ERZV10V511CS JK500 L500 RLQZ371 W1 W2 R401 220K R590 1K Q515 Q519 KTC3199GRTA DCDET SWITCH D528 B0EAKM000122 D525 B0BA6R60008 T501 ETP76VUUE1WA D527 B0EAKM000122 C581 25V1000 T502 G4C2AAJ00005 H503 W503 2 4 6 7 5 3 1 SCHEMATIC DIAGRAM 3 TRANSFORMER CIRCUIT B SIGNAL LINE B SIGNAL LINE TO POWER CIRCUIT CP502 ON SCHEMATIC DIAGRAM 2 AC INLET CIRCUIT 3 1 R588 150 TO POWE...

Page 30: ...1 JK500 T502 SUB TRANSFORMER W2 W1 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 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 ...

Page 31: ...01 Q502 SWITCH DC_DET Q520 INTERFACE SWITCH Q511 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 JK700 OF SA HT500GC S JK300 OF SA HT700GCS GC S FL1 FL2 B Q512 VOLTAGE REGULATOR D528 B Q512 VOLTAGE REGULATOR B B POWER HIC DUAL LOW NOISE OP AMP SIGNAL LINES IC501 RSN311W64B P JK500 AC INLET RLY501 POWER TRANSFORMER IC502 C...

Page 32: ...0BA6R600008 SLI325URCT31 B0BA9R600002 B0BA01900005 C0AABB000055 RSN311W64B P 1 26 1 4 8 5 E C B KTA1267GRTA 2SD0592ARA C E B B C E A Ca Anode Cathode B0BA5R100013 B0BA01200008 A Ca Anode Cathode A Ca Cathode Anode B0EAKM000117 Anode Cathode A Ca B0EAKM000122 Cathode A Ca Anode B0FBAM000009 ...

Page 33: ...5 J531 J533 J538 J539 J571 J572 J573 J574 J575 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 J570 J409 R403 J410 R536 CN507 C521 C529 R565 R523 R501 R519 R581 C576 R582 D558 D559 R583 R584 Q556 D560 C647 C577 D557 J506 J543 J415 J412 J413 J414 R566 R607 R605 ...

Page 34: ...R575 C568 R571 J514 J552 J585 FP1 C551 J541 R402 Q520 R523 R501 R519 C575 Q555 R581 C576 R582 D558 D559 R583 R584 Q556 R603 Q557 D560 C647 Q554 C574 D557 D556 R564 Q553 R563 R562 R602 D555 C570 R604 C579 Q552 R559 C578 D562 J559 Q512 C573 R560 R561 C572 D561 J555 R558 J520 J587 J588 R600 D563 D564 J549 J506 J530 J556 J554 J553 J543 J557 J560 J578 J542 J580 J569 J558 R601 D565 D566 J584 J586 C580 R...

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