background image

- Disassembly of the Speaker Unit
- Main Component Replacement Procedures

6.1. Disassembly flow chart

The following 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.s.

7

Summary of Contents for SB-WA05E

Page 1: ...ORDER NO MD0402047C2 Active Subwoofer System SB WA05E SB WA05EB Colour S Silver Type SPECIFICATIONS Specification 1 ...

Page 2: ...SB HT05P Active Subwoofer SB WA05EB System SC HT05EG Music Center SA HT05EG Satellite speakers SB HT05P Active Subwoofer SB WA05E System SC HT05EP Music Center SA HT05EP Satellite speakers SB HT05P Active Subwoofer SB WA05E System SC HT05EG1 Music Center SA HT05EG1 Satellite speakers SB HT05P Active Subwoofer SB WA05E System SC HT05EP1 Music Center SA HT05EP1 Satellite speakers SB HT05P Active Sub...

Page 3: ... to prevent the customer from being exposed to shock hazards 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 value with an ohmmeter 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 pat...

Page 4: ...he 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 Caution Pb free solder has a higher melting point that standard solder Typically th...

Page 5: ...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 Connection of the Speaker Cables Be sure to connect speake...

Page 6: ...assis 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 following...

Page 7: ...mbly flow chart The following 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 s 7 ...

Page 8: ...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 8 ...

Page 9: ...Remove the screws from the subwoofer Disassembly of Power Amp unit Step 6 Remove 2 screws from the Power Amp unit Step 7 Pull out the Power Amp unit slightly as shown Note Be careful of attach wire at CN506 9 ...

Page 10: ... Release the connector CN506 then pull out the entire Power Amp unit 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 10 ...

Page 11: ...Step 12 Remove the screws from the AC Inlet P C B 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 11 ...

Page 12: ...Step 16 Remove the screws Step 17 Place the P C B as shown for checking Replacement of the Power IC and Transistor Step 1 Desolder the Power IC and Transistor terminals 12 ...

Page 13: ...Step 2 Remove the screws from the IC501 Step 3 Remove the screw Step 4 Replacement of the Power IC and Transistor 7 Connection of the Speaker Wiring 13 ...

Page 14: ...apacitors 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 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 D...

Page 15: ...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 accordance with the laws governing part and p...

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

Page 17: ...SCREW M 19 XYC26 CJ6FZ SCREW M 13 2 Electrical Parts List Ref No Part No Part Name Description Remarks PRINTED CIRCUIT BOARD REPV0025C POWER P C B AC INLET P C B TRANSFORMER P C B LED P C B M RTL E REPV0025A POWER P C B AC INLET P C B TRANSFORMER P C B LED P C B M RTL EB INTEGRATED CIRCUITS IC501 RSN311W64B P IC HIC M IC502 C0AABB000055 IC BUFFER AMP M TRANSISTORS Q501 KTC3199GRTA TRANSISTOR M Q50...

Page 18: ...B0HARM000017 DIODE M D516 B0HARM000017 DIODE M D517 B0HARM000017 DIODE M D518 B0HARM000017 DIODE M D524 SLI325URCT31 DIODE M D525 B0BA6R600008 DIODE M D527 B0EAKM000122 DIODE M D528 B0EAKM000122 DIODE M D529 B0EAKM000122 DIODE M D530 B0EAKM000122 DIODE M D533 B0BA5R100013 DIODE M D555 B0AACK000004 DIODE M D556 B0BA9R600002 DIODE M D557 B0EAKM000117 DIODE M D558 B0AACK000004 DIODE M D559 B0AACK0000...

Page 19: ...RMER M COMPONENT COMBINATION Z501 ERZV10V511CS ZENER M RELAY RLY501 K6B1AEA00003 PC POWER RELAY M FUSES F1 K5D202BK0005 FUSE M FUSE HOLDERS FC501 EYF52BC FUSE HOLDER M FC502 EYF52BC FUSE HOLDER M FUSE PROTECTOR FP1 K5G502AA0002 FUSE PROTECTOR M HOLDERS H500 K1YF15000004 15P WIRE HOLDER M H505A RMR0312 3P CABLE HOLDER M H505B RMR0312 3P CABLE HOLDER M SPEAKER SP1 EAST17PL21B6 17CM SPEAKER UNIT M JA...

Page 20: ...T 15K 1 4W M R512 ERDS2TJ153T 15K 1 4W M R513 D0AE563JA048 56K 1 4W M R514 D0AE563JA048 56K 1 4W M R515 D0AE563JA048 56K 1 4W M R516 D0AE563JA048 56K 1 4W M R517 D0AE563JA048 56K 1 4W M R518 D0AE563JA048 56K 1 4W M R519 ERDS2TJ824T 820K 1 4W M R520 D0AE223JA048 22K 1 4W M R521 ERDS2TJ103T 10K 1 4W M R522 ERDS2TJ273T 27K 1 4W M R523 ERDS2TJ124T 120K 1 4W M R524 ERDS2TJ124T 120K 1 4W M R525 ERDS2TJ1...

Page 21: ...1 4W M R571 ERDS2TJ332T 3 3K 1 4W M R572 D0AE223JA048 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 R581 ERDS2TJ103T 10K 1 4W M R582 ERDS2TJ221T 220 1 4W M R583 ERDS2TJ101T 100 1 4W M R584 D0AE474JA048 470K 1 4W M R587 D0AE272JA048 2 7K 1 4W M R588 ERDS2TJ151T 15...

Page 22: ...517 F1D1C103A007 0 01 16V M C518 F1D1H473A012 0 047 50V M C519 F1D1H473A012 0 047 50V M C520 F1D1H473A012 0 047 50V M C521 F1D1H473A012 0 047 50V M C522 F1D1H473A012 0 047 50V M C523 F1D1H473A012 0 047 50V M C524 F1D1H1040002 0 1 50V M C525 F1D1H1040002 0 1 50V M C526 F1D1H1040002 0 1 50V M C527 F1D1H1040002 0 1 50V M C528 F1D1H473A012 0 047 50V M C529 F1D1H1040002 0 1 50V M C530 F1D1H102A012 1000...

Page 23: ... 0 1 50V M C567 ECA1HM100B 10 50V M C568 F1D1C103A007 0 01 16V M C569 F1D1H473A012 0 047 50V M C570 ECEA1CKA220B 22 16V M C572 ECA1HM101B 100 50V M C573 F1D1H102A012 1000P 50V M C574 F1E1H1030001 0 01 50V M C575 F1E1H1030001 0 01 50V M C576 RCE1HKN100BG 10P 50V M C577 ECEA1CKA100B 10 16V M C578 F1E1H1030001 0 01 50V M C579 F1E1H1030001 0 01 50V M C580 ECEA1HKA100B 10 50V M C647 ECA1HM101B 100 50V ...

Page 24: ...FLE0402 P A S E N 24 ...

Page 25: ...1 BRW L500 1 2 3 4 T501 POWER TRANSFORMER BRW W2 BLU H500 W500 J534 EB SECONDARY PRIMARY W1 1 2 3 H505A W505A 6 7 5 4 3 2 1 PbF CAUTION RISK OF ELECTRIC SHOCK TOUCH THIS P C B AC VOLTAGE LINE PLEASE DO NOT PbF CAUTION RISK OF ELECTRIC SHOCK AC VOLTAGE LINE PLEASE DO NOT TOUCH THIS P C B 1 2 3 4 5 6 7 8 9 10 11 15 12 13 14 PbF D530 C558 D529 D527 AC INLET P C B REPV0025C E REPV0025A EB TRANSFORMER ...

Page 26: ... R529 22K R530 1 R531 1 R521 10K R522 27K C529 0 1 R549 47K R547 390K C534 16V33 R548 330K R545 220K Q506 KRA102MTA 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 17 16 15 14 13 12 11 10 2 4 6 8 9 7 5 3 1 SCH...

Page 27: ...0P 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 D561 B0BA8R700009 C572 50V100 R560 150 C573 1000P R561 3 9K D509 D511 D518 B0HARM000017 C554 0 1 C553 0 1 D513 D514 D515 D517 D518 D516 D511 D512 R550 3 9 2 1 3 2 4 6 7 5 3 1 2 ...

Page 28: ...SWITCH Z501 ERZV10V511CS JK500 L500 RLQZ371 W1 W2 R401 220K R590 1K Q515 Q519 KTC3199GRTA DCDET SWITCH D525 B0BA6R60008 T501 G4C7AGH00003 T502 G4C2AAJ00005 C570 22P 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 C558 16V1000 FOR E FOR EB R588 150 TO POWER CIRCUIT CN503 ON SCHEMATIC DIAGRAM 2 RLY501 K6...

Page 29: ... EB AC IN 7 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 JK501 1 2 1 2 3 CN506 CN507 7 1 CP502 CN503 3 2 1 H505B W505 4 2 3 1 6 2 5 1 ...

Page 30: ... B0BA6R600008 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 B0BA8R700009 A Ca Anode Cathode A Ca Cathode Anode B0EAKM000117 Anode Cathode A Ca Anode Cathode A Ca B0EAKM000122 Cathode A Ca Anode ...

Page 31: ...OLTAGE REGULATOR F1 Z501 Q501 Q502 SWITCH DC_DET Q520 INTERFACE SWITCH Q511 HP_CNT MUTE_H Q515 Q519 DCDET SWITCH VOLTAGE REGULATOR D515 D518 D511 D514 T501 T502 D508 AC2 5 SUBAC2 AC1 4 SUBAC1 TO MAIN BLOCK JK406 OF SA HT05EB EG EP S FL1 FL2 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 C0AABB000055 SUB TRA...

Page 32: ...J528 C563 C562 C564 R592 R597 R573 R594 R595 R593 E500 J504 R591 C561 C566 C565 J550 C568 R599 R571 R572 J517 R596 J514 J552 J519 J570 J409 R403 J410 R536 C521 C529 R565 R523 R501 R519 C575 R581 C576 R582 D558 D559 R583 R584 R603 D560 C647 R566 C577 D557 J549 J506 J543 J600 J601 B C E B C E B C E IC502 IC501 Q556 Q555 Q557 Q506 Q505 Q513 Q514 CN501 JK502 JK501 CN506 CN507 CP502 B C E B C E B C E B...

Page 33: ...510 C544 J516 J544 J546 J505 E501 R567 C567 D533 J551 J585 C551 C573 R560 R561 C572 D561 J555 J587 J588 R600 D563 D564 J556 J554 J553 J557 J558 D565 D566 J586 C560 C554 R518 C512 C553 R546 R520 R505 R506 R503 R504 J417 R502 R508 R507 R511 R512 J547 J548 J590 C514 Q501 J589 C543 R568 R569 J535 J582 J583 J541 R402 R602 R559 C578 D562 J559 R558 D516 D518 D517 D515 J566 J560 J567 J584 J568 D513 PbF 1 ...

Reviews: