background image

- 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. Schematic Diagram

10.1. Power Circuit

10.2. Transformer Circuit and AC Inlet Circuit

11. Printed Circuit Board

11.1. Power P.C.B.

11.2. AC Inlet P.C.B. and Transformer P.C.B.

12. Wiring Connection Diagram

13. Illustration of IC’s, Transistors and Diodes

14. Parts Location and Replacement Parts List

Notes:

- Important safety notice:

Components identified 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), 

20

PDF created with pdfFactory Pro trial version 

www.pdffactory.com

Содержание SB-WA733P

Страница 1: ...ORDER NO MD0502023C1 A6 Active Subwoofer System SB WA733P Colour S Silver Type 1 PDF created with pdfFactory Pro trial version www pdffactory com ...

Страница 2: ...SPECIFICATIONS Specification 2 PDF created with pdfFactory Pro trial version www pdffactory com ...

Страница 3: ...5 16 x 14 1 2 x 19 3 8 Mass 11 3 kg 24 9 lbs General Power consumption 340 W Power supply AC 120V 60Hz Note Specifications are subject to change without notice Mass and dimensions are approximate System SC HT733 P Music Center SA HT733 P Satellite Speakers SB HT730 P Active Subwoofer SB WA733 P 2005 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is ...

Страница 4: ... After servicing check for leakage current to prevent from being exposed to shock hazards This Safety Precaution is applied only in U S A 1 Before servicing unplug the power cord to prevent an electric shock 2 When replacing parts use only manufacturer s recommended components for safety 3 Check the condition of the power cord Replace if wear or damage is evident 4 After servicing be sure to resto...

Страница 5: ...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 Do 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 such as a water pipe as shown in Figure ...

Страница 6: ...tandard solder Typically the melting point is 50 70 F 30 40 C higher Please use a high temperature soldering iron In case of the soldering iron with temperature control please set it to 700 20 F 370 10 C Pb free solder will tend to splash when heated too high about 1100 F 600 C When soldering or unsoldering please completely remove all of the solder on the pins or solder area and be sure to heat t...

Страница 7: ...tlines 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 Connection of the Speaker Cables Be sure to connect speaker cables before connecting the AC power supply cord The load impedance of any sp...

Страница 8: ...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 following index when checks or replacement are required 8 PDF created with pdfFactory Pro trial version www pdffactory com ...

Страница 9: ...nit reverse the steps shown in the chart below 6 1 1 Disassembly of Front Panel Assembly 6 1 2 Disassembly of Rear Assembly 6 2 Disassembly of the Speaker Unit and Checking of the P C B 6 2 1 Disassembly of the Front Panel Unit Step 1 Slot in a steel ruler to give a gap between the Front Panel Unit and the Subwoofer 9 PDF created with pdfFactory Pro trial version www pdffactory com ...

Страница 10: ...ront 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 10 PDF created with pdfFactory Pro trial version www pdffactory com ...

Страница 11: ...net Assembly Assembly of the Front Panel Unit Step 1 Clean up all the glue at the 6 Boss points and replace with the normal glue Step 2 Replace the Front Panel Unit firmly back to the cabinet 11 PDF created with pdfFactory Pro trial version www pdffactory com ...

Страница 12: ... 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 the and wires 6 2 3 Disassembly of the Woofer 2 12 PDF created with pdfFactory Pro trial version www pdffactory com ...

Страница 13: ...p 4 Remove the Woofer 2 by detaching the and 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 13 PDF created with pdfFactory Pro trial version www pdffactory com ...

Страница 14: ...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 14 PDF created with pdfFactory Pro trial version www pdffactory com ...

Страница 15: ...y 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 15 PDF created with pdfFactory Pro trial version www pdffactory com ...

Страница 16: ...B Power P C B and Transformer P C B 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 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 16 PDF created with pdfFactory Pro trial version www pdffactory com ...

Страница 17: ...ws Step 6 Remove 4 screws Step 7 Connect back the connector CP502 between Power and AC Inlet P C B for checking 6 2 7 Replacement of Power IC and Transistor 17 PDF created with pdfFactory Pro trial version www pdffactory com ...

Страница 18: ...bed 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 18 PDF created with pdfFactory Pro trial version www pdffactory com ...

Страница 19: ...ny 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 Components ...

Страница 20: ...it Board 11 1 Power P C B 11 2 AC Inlet P C B and Transformer P C B 12 Wiring Connection Diagram 13 Illustration of IC s Transistors and Diodes 14 Parts Location and Replacement Parts List Notes Important safety notice Components identified by mark have special characteristics important for safety Furthermore special parts which have purposes of fire retardant resistors high quality sound capacito...

Страница 21: ...less 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 retention After the end o...

Страница 22: ...22 PDF created with pdfFactory Pro trial version www pdffactory com ...

Страница 23: ...14 1 2 Cabinet Parts List 23 PDF created with pdfFactory Pro trial version www pdffactory com ...

Страница 24: ...J SCREW TBZP M 7 REM0072 4 FAN M 8 RGRX0040AA 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 RMQX0108 EVA PACKING W SP M 21 RHD26016 1L SCREW M 22 XT...

Страница 25: ...2ARA TRANSISTOR M Q554 B1ACCF000094 TRANSISTOR M Q555 2SD0592ARA TRANSISTOR M Q556 B1ACCF000094 TRANSISTOR M Q557 2SD0592ARA TRANSISTOR M DIODES D500 B0AACK000004 DIODE M D501 B0JAPG000019 DIODE M D502 B0JAPG000019 DIODE M D503 MA2C700A0F DIODE M D504 B0AACK000004 DIODE M D508 B0AACK000004 DIODE M D509 B0BA5R100013 DIODE M D510 B0BA5R600016 DIODE M D525 B0BA6R600008 DIODE M D527 B0EAKM000122 DIODE...

Страница 26: ...P CONNECTOR M TRANSFORMERS T501 G4C7AHD00004 POWER TRANSFORMER M T502 G4C2AAJ00005 BACK UP TRANSFORMER M COMPONENT COMBINATION Z501 ERZV10V511CS ZENER M SPEAKER SP1 EAS13PL20B SPEAKER UNIT M RELAY RLY501 K6B1AEA00003 POWER RELAY M FUSE F1 K5D502AQ0004 FUSE M FUSE HOLDER FC501 EYF52BCY FUSE HOLDER M FC502 EYF52BCY FUSE HOLDER M FUSE PROTECTOR FP1 K5G502AA0002 5A FUSE PROTECTOR M HOLDER H503 K1YF150...

Страница 27: ...9 ERDS2TJ472T 4 7K 1 4W M R510 ERDS2TJ472T 4 7K 1 4W M R511 ERDS2TJ153T 15K 1 4W M R512 ERDS2TJ153T 15K 1 4W M R513 ERDS2TJ563T 56K 1 4W M R514 ERDS2TJ563T 56K 1 4W M R515 ERDS2TJ563T 56K 1 4W M R516 ERDS2TJ563T 56K 1 4W M R517 ERDS2TJ563T 56K 1 4W M R518 ERDS2TJ563T 56K 1 4W M R519 ERDS2TJ824T 820K 1 4W M R520 ERDS2TJ223T 22K 1 4W M R521 ERDS2TJ103T 10K 1 4W M R522 ERDS2TJ273T 27K 1 4W M R523 ERD...

Страница 28: ...03T 10K 1 4W M R579 ERDS2TJ332T 3 3K 1 4W M R580 ERDS2TJ220T 22 1 4W M R581 ERDS2TJ682T 6 8K 1 4W M R582 ERDS2TJ224T 220K 1 4W M R583 ERDS2TJ101T 100 1 4W M R584 ERDS2TJ473T 47K 1 4W M R587 ERDS2TJ272T 2 7K 1 4W M R588 ERDS2TJ151T 150 1 4W M R589 ERDS2TJ103T 10K 1 4W M R590 ERDS2TJ102T 1K 1 4W M R600 ERDS2TJ473T 47K 1 4W M R601 ERDS2TJ473T 47K 1 4W M R602 ERDS2TJ472T 4 7K 1 4W M R603 ERDS2TJ103T 1...

Страница 29: ... 50V M C546 ECA1SM332C5 3300 100V M C547 ECA1SM472C5 4700 100V M C548 ECA1SM472C5 4700 100V M C549 ECA1SM332C5 3300 100V M C550 ECBT1C103NS5 0 01 16V M C551 ECBT1H103KB5 0 01 50V M C553 ECQE2104KF3 0 1 250V M C554 ECQE1104KF3 0 1 100V M C555 ECEA1VKA4R7B 4 7 35V M C556 ECBT1H103KB5 0 01 50V M C557 ECEA1AKA470B 47 10V M C558 ECA1CM102B 1000 16V M C559 ECBT1H103KB5 0 01 50V M C560 ECA1HM100B 10 50V ...

Страница 30: ... Part No Part Name Description Remarks PACKING MATERIALS P1 RPNX0295 POLYFOAM M P2 RPFX0071 MIRAMAT BAG M 14 4 Packaging FLE0502 P A S E N J 30 PDF created with pdfFactory Pro trial version www pdffactory com ...

Страница 31: ...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 10 11 9 7 8 6...

Страница 32: ...R548 330K R545 220K Q506 B1GCCFJJ0016 INTERFACE SWITCH Q505 B1AACF000117 SWITCHING Q501 Q502 B1AACF000117 SWITCH Q503 B1AACF000117 SWITCH IC501 RSN311W64D P POWER HIC C551 0 01 R525 150K D558 D559 B0AACK000004 D555 B0AACK000004 D562 B0AACK000004 R504 15K 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 1 2 SCHEMATIC DIAGRAM 1 POWER CIRCUIT B SIGNAL LINE MAIN SIGNAL LINE B SIGNAL L...

Страница 33: ...7 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 FP1 K5G502AA0002 R609 1 5K D561 B0BA01100004 C572 50V100 R560 150 C573 1000P R561 3 9K D509 SRLch FRch FLch PCONT D GND SYNC SYS6V SUB B R571 1 8K 3 1 2 4 2 4 6 7 5 3 1 3 1 2 4 TO AC INLET CIRCUIT CN502 ON SCHEMATIC DIAGRAM 3 SCHEMATIC DIAGRAM 2 POWER CIRCUIT B SIGNAL LINE MAIN SIGNAL LINE B SIGNAL LINE 1...

Страница 34: ... B R578 10K R580 22 R587 2 7K C556 0 01 C557 10V47 C571 25V1000 C559 0 01 R579 3 3K Q517 B1BACG000048 VOLTAGE REGULATOR Q515 B1AACF000117 DC DET SWITCH RLY501 K6B1AEA00003 Z501 ERZV10V511CS JK500 W1 W2 R590 1K Q515 Q519 B1AACF000117 DCDET SWITCH D528 B0EAKM000122 D525 B0BA6R60008 T501 G4C7AHD00004 D527 B0EAKM000122 C558 16V1000 T502 G4C2AAJ00005 H503 W503 HELP 2 4 6 7 5 3 1 R588 150 TO POWER CIRCU...

Страница 35: ... 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 B CD PLAY 5 2 4 7 4 7 5 2 0 0 4 0 2 0 4 5 1 ...

Страница 36: ...503 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 10mse...

Страница 37: ...20V 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 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 ...

Страница 38: ...TRE Q517 VOLTAGE REGULATOR F1 Z501 Q501 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 JK2000 OF SA HT733P S FL1 FL2 B B D528 B Q512 VOLTAGE REGULATOR POWER HIC SIGNAL LINES IC501 RSN311W64D P JK500 AC INLET RLY501 POWER TRANSFORMER SUB TRANSFORMER JK502 CENTRE SPEAKER SUBWOO...

Страница 39: ...0BA6R600008 A Ca Cathode Anode B0FBAM000009 B0JAPG000019 B0EAKM000117 Anode Cathode A Ca B0AACK000004 2SD0592ARA E C B RSN311W64D P 1 26 B0EAKM000122 Cathode A Ca Anode C B E B1BACG000048 B1BCCG000023 B1GCCFJJ0016 C B1ACCF000094 E B B0BA5R600016 B0BA01900005 B0BA01100004 B C E ...

Страница 40: ...7 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 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 23 22 21 20 19 18 1...

Страница 41: ...D561 D566 D565 J543 J588 J506 J579 J565 J576 J511 J532 J564 J510 J598 7 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 ...

Отзывы: