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Panasonic SB-WA101E Service Manual Download Page 21

11 Schematic Diagram

11.1. Power Circuit, Level Control Circuit, Transformer Circuit and LED Circuit

POWER CIRCUIT

SCHEMATIC DIAGRAM - 1

LEVEL CONTROL CIRCUIT

SB-WA101E/EB

POWER / LEVEL CONTROL CIRCUIT

1

2

7

8

3

6

4

5

1

2

7

8

3

6

4

5

14

13

12

11

10

9

8

7

6

1

2

7

8

3

6

4

5

1

2

7

8

3

6

4

5

10K

R581

5

4

3

2

1

R620

220K

Q601,Q602

KTC3199GRTA

SWITCH

R618

22K

C613

10V220

R616

150K

R617

100K

C614

50V2.2

R624

10K

B0AACK000004

D602

R622

5.6K

C607

100V10

C604

1000P

R605

5.6K

R606

56K

C603

1000P

R604

56K

C605

39P

R607

56K

C606

39P

R603

5.6K

D601

MTZJ16A

TA

R608

330K

C608

100V10

R609

3.3K

R611

100K

R610

22K

R713

2.2

R612

10

L601

RLQYR73MW-B

C609

0.1

C610

0.1

R613

10

C611

0.1

C612

0.1

R615

10

Q703

Q703

2SC3940ARA

REGULATOR

C711

0.01

C715

16V47

D716

MTZJ13BTA

C714

0.01

R708

2.2K

C712

25V330

D713

D712

D715

D714

R704

5.6K

R714

4.7K

H501/

W501

C505

16V10

R524

100

VR501

D2BDB14B0006

VOLUME JOG

C506

16V10

S501

K0F124A00054

PHASE

R507

10K

C526

0.01

IC502

C0AABB000130

OP AMP

VEE

VCC

C517

100P

R506

10K

R508

10K

R511

2.7K

C509

0.33

C527

0.01

VR502

R512

2.7K

C510

0.18

 CN501

R523

100

C507

0.33

C514   16V10

C516   0.01

C513   16V10

C515   0.01

R505

4.7K

IC501

C0AABB000130

OP AMP

VEE

VCC

D502

B0AACK000004

D501

B0AACK000004

JK501

R509        3.3K

C508    0.33

D505

B0BA7R900004

R518

100K

D503

B0AACK000004

VEE

VCC

R522

220K

R520

10K

D504

B0AACK000004

R515

470K

C529

0.001

C530

0.047

R538

220K

R514

100

C528

0.01

C511

25V22

R513

220K

Q503

KRC102MTA

SWITCH

R521

10K

R519

100K

R531

1K

VEE

VCC

R532

330K

R530

10K

R527

470K

C525

0.01

R526

10K

R528

10K

C522

16V10

D508

B0AACK000004

C523

16V10

R535

220K

D510

MA2C700A0F

R534

10K

Q501,Q502

KTC3199GRTA

AMP

Q502

D509

B0AACK000004

Q604

KTC3199GRTA

SWITCH

R621

47K

Q603

B1ACCF000089

SWITCH

100

R584

R585

56K

R586

10K

C554

16V33

Q554

2SB0621AHA

CURRENT CONTROL

R579

5.6K

R578

820K

C552    0.1

R580

4.7K

D557

D556

D556,D557

MA2C700A0F

C553

10V220

R582

18

R575

56K

C555

10V220

R577

10K

R576

820K

FAN-

FAN+

TO FAN

E500

INPUTS

C601

50V4.7

R601

4.7K

R602

56K

C602

0.12

R537

330

IC503

C0AABB000130

OP AMP

IC504

C0AABB000130

OP AMP

R619

470K

IC601

RSN3502E-P

2CH HIC

Q504

B1ACCF000089

REGULATOR

Q501

Q604

Q601

Q602

1
2
3
4
5
6
7

1
2
3
4
5
6
7

1

2

CN507

VR501

VR502

D2BDD14B0002

LOW PASS FILTER

D712-D715

B0EAKM000122

D501

Q603

: +B SIGNAL LINE

: -B SIGNAL LINE

R502

100K

C502

220P

R501

2.2K

R503

47K

C501

50V1

R504

1.8K

C504

220P

C503

220P

R510

47K

C551

0.01

C520

50V2.2

R517

220K

R516

1M

C512

16V220

C531

0.1

R529

22K

C524

100P

C521

16V10

R533

1K

R525

 8.2K

R536

10K

D507

B0AACK000004

R583

220K

R614

10

L602

RLQYR73MW-B

C518

25V22

D507

Q555

Q556

Q553

Q554

Q555,Q556

KTC3199GRTA

SWITCH

Q553

KTC3199GRTA

SUPPLY CONTROL

: MAIN SIGNAL LINE

1/2

SB-WA101E / SB-WA101EB

21

Summary of Contents for SB-WA101E

Page 1: ...n 1 W Note Specifications are subject to change without notice Mass and dimensions are approximate For SB TP100E S only 2006 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law SB WA101E SB WA101EB Colour S Silver Type nSystem SB TP100E S Front Speaker SB FS100E S Surround Speaker SB FS100E S Center Speaker SB PC100E S Subwoofer SB ...

Page 2: ...ifier unit 10 6 5 Disassembly of Woofer speaker 11 6 6 Disassembly of Power P C B 11 6 7 Disassembly of Transformer P C B 12 6 8 Disassembly of Level control P C B 12 7 Connection of the Speaker Wiring 14 8 Wiring Connection Diagram 15 9 Block Diagram 17 10 Notes of Schematic Diagram 19 11 Schematic Diagram 21 11 1 Power Circuit Level Control Circuit Transformer Circuit and LED Circuit 21 12 Print...

Page 3: ... have a return path to the chassis the reading must be Figure 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...

Page 4: ...1 2 Caution for AC Cord 4 SB WA101E SB WA101EB ...

Page 5: ...n circuitry may have operated if either of the following conditions are noticed No sound is heard when the power is turned on Sound stops during a performance The function of this circuitry is to prevent circuitry damage if for example the positive and negative speaker connection wires are shorted or if speaker systems with an impedance less than the indicated rated impedance of the amplifier are ...

Page 6: ...y 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static solder remover device Some solder removal devices not classified as anti static ESD protected can generate electrical charge to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a replacement ES device fro...

Page 7: ... Free Solder PbF The lead free solder has to be used when repairing the equipment for which the lead free solder is used Definition The letter of PbF is printed on the PCB using the lead free solder To put lead free solder it should be well molten and mixed with the original lead free solder Remove the remaining lead free solder on the PCB cleanly for soldering of the new IC Since the melting poin...

Page 8: ... receiver or amplifier s subwoofer output terminal 2 Connect the AC power supply cord to the household AC outlet Subwoofer Connect using the included monaural connection cable D to the receiver or amplifier s subwoofer output terminal Connect the AC power supply cord E to the household AC outlet F Note Do not move the speaker while the speaker cables are connected This may cause a short circuit Ma...

Page 9: ... described only when required 3 Select items from the following index when checks or replacement are required Below is the list of disassembly sections Disassembly of Stand ornament Disassembly of Power amplifier unit Disassembly of Woofer Disassembly of Power P C B Disassembly of Power IC Disassembly of Transformer P C B Disassembly of Level control P C B 6 2 Disassembly flow chart The following ...

Page 10: ...step 1 to step 2 in item 6 3 Step 1 Upset the unit Step 2 Remove 5 screws Step 3 Remove 2 screws see making on rear cabinet Step 4 Pull out the Power amplifier unit slowly as arrow shown Step 5 Disconnect connectors CN501 CN507 CN601 and CP701 6 3 Disassembly of Stand ornament 10 SB WA101E SB WA101EB ...

Page 11: ...the net frame assembly as arrow shown Caution Do not exert too much force on the catches attached to the bosses Disassembly of Woofer speaker Step 3 Remove 4 screws Step 4 Detach red and black wires Step 5 Remove woofer speaker as arrow shown 6 6 Disassembly of Power P C B Follow step 1 to step 2 in item 6 3 Follow step 1 to step 5 in item 6 4 Step 1 Remove 5 screws Step 2 Remove 3 screws Step 3 R...

Page 12: ...the Power IC terminal and replace the component 6 7 Disassembly of Transformer P C B Follow step 1 to step 2 in item 6 3 Follow step 1 to step 5 in item 6 4 Step 1 Disconnect connector CN503 Step 2 Check the transformer P C B 6 8 Disassembly of Level control P C B Follow step 1 to step 2 in item 6 3 Follow step 1 to step 5 in item 6 4 12 SB WA101E SB WA101EB ...

Page 13: ...ower switch M9 nuts and volume knobs Step 2 Pull up the front ornament assembly as arrow shown Step 3 Remove 1 screw Step 4 Remove 6 screws Step 5 Connect the level control P C B with power amp unit 13 SB WA101E SB WA101EB ...

Page 14: ...7 Connection of the Speaker Wiring 14 SB WA101E SB WA101EB ...

Page 15: ... 50Hz E 230 240V 50Hz EB AC IN INPUT BRW W1 W2 BLU POWER P C B TRANSFORMER P C B LEVEL CONTROL P C B LED P C B FAN SPEAKER WOOFER SOLDER SIDE SOLDER SIDE SOLDER SIDE SOLDER SIDE SOLDER SIDE VR502 VR501 LOW PASS FILTER VOLUME 7 1 1 4 8 1 1 2 CN507 3 2 1 CN601 JK501 JK701 7 1 CN501 CP701 2 1 8 1 CN503 PbF PbF PbF PbF 15 SB WA101E SB WA101EB ...

Page 16: ...16 SB WA101E SB WA101EB ...

Page 17: ...D DRIVE D512 Q703 T701 Z701 F1 L701 RL701 D712 D715 D708 D711 S751 D707 POWER SW REGULATOR POWER TRANSFORMER SUB TRANSFORMER JK701 AC INLET B B B B B B M 1 7 3 5 2 6 Q502 AMP Q501 AMP D508 D510 1 4 14 10 13 11 Q601 Q602 SWITCH Q603 SWITCH Q604 SWITCH Q553 Q556 FAN CONTROL SWITCH D509 D718 D602 FILTER TO SPEAKER CN601 MOTOR FILTER FILTER FILTER 2CH HIC OP AMP IC504 IC601 RSN3502E P C0AABB000130 B B...

Page 18: ...SB WA101E SB WA101EB 18 ...

Page 19: ...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 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 Secondar...

Page 20: ...20 SB WA101E SB WA101EB ...

Page 21: ...33 D505 B0BA7R900004 R518 100K D503 B0AACK000004 VEE VCC R522 220K R520 10K D504 B0AACK000004 R515 470K C529 0 001 C530 0 047 R538 220K R514 100 C528 0 01 C511 25V22 R513 220K Q503 KRC102MTA SWITCH R521 10K R519 100K R531 1K VEE VCC R532 330K R530 10K R527 470K C525 0 01 R526 10K R528 10K C522 16V10 D508 B0AACK000004 C523 16V10 R535 220K D510 MA2C700A0F R534 10K Q501 Q502 KTC3199GRTA AMP Q502 D509...

Page 22: ...0 01 Z701 ERZV10V511CS F1 250V 1 6A L701 ELF15N035AN Q701 Q705 2SD0592ARA REGULATOR Q701 Q705 C704 0 01 T702 G4C2CAK00001 Q706 Q706 B1ACCF000089 SUPPLY CONTROL D707 B0BA6R800007 C710 25V22 C709 0 01 R703 2 7K R710 10K R711 8 2K R712 560 Q707 2SB0621AHA SUPPLY SWITCH C705 25V330 D704 D702 D704 B0EAKM000122 D700 B0AACK000004 RLY701 K6B1AEA00003 C751 0 001 W1 W2 W1 BLU W2 BRW Q707 TO SPEAKER 2 4 6 8 ...

Page 23: ...R530 R532 C601 R533 C524 R529 R531 Q502 Q501 R534 D508 D507 R535 C523 R536 C522 R528 C513 C514 Q702 JK501 R706 R707 D714 D715 CN601 C708 C710 R703 D707 C709 Q701 D700 BLU BRW L701 JK701 FC701 FC702 Z701 RLY701 W1 W2 C751 R709 CP701 R710 R711 R712 C717 Q707 Q706 T702 SUB TRANSFORMER D510 C525 J501 J502 J503 J504 J505 J506 J507 J508 J509 J510 J511 J512 J513 J514 J517 J516 J515 J523 J524 J525 J526 J5...

Page 24: ...SB WA101E SB WA101EB 24 ...

Page 25: ...122 MA2C700A0F B3AKA0000006 MTZJ16ATA MTZJ13BTA MTZJ18CTA B0BA6R800007 B0BA01100004 C0AABB000130 RSN3502E P 1 14 1 4 8 5 2SB0621AHA 2SD0592ARA A Ca Anode Cathode A Ca Anode Cathode E C B E C B 2SC3940ARA Anode Cathode A A Ca Anode B0AACK000004 KRC102MTA B1GCCFJJ0016 C E B 25 SB WA101E SB WA101EB ...

Page 26: ...14 Exploded view 14 1 Cabinet Parts Location 26 SB WA101E SB WA101EB ...

Page 27: ...14 2 Packaging 14 2 1 SB WA101E EB S 27 SB WA101E SB WA101EB ...

Page 28: ...TOR M Q602 KTC3199GRTA TRANSISTOR M Q603 B1ACCF000089 TRANSISTOR M Q604 KTC3199GRTA TRANSISTOR M Q701 2SD0592ARA TRANSISTOR M Q702 KTC3199GRTA TRANSISTOR M Q703 2SC3940ARA TRANSISTOR M Q704 KRC102MTA TRANSISTOR M Q705 2SD0592ARA TRANSISTOR M Q706 B1ACCF000089 TRANSISTOR M Q707 2SB0621AHA TRANSISTOR M DIODES D501 B0AACK000004 DIODE M D502 B0AACK000004 DIODE M D503 B0AACK000004 DIODE M 15 Replacemen...

Page 29: ...AEA00003 PC POWER RELAY M FUSE F1 K5D162BL0001 FUSE M Ref No Part No Part Name Description Remarks FUSE HOLDERS FC701 EYF52BCY FUSE CLIP M FC702 EYF52BCY FUSE CLIP M HOLDERS H501 K1YF07000001 WIRE HOLDER M H503 K1YF08000003 8P WIRE HOLDER M JACKS JK501 K4BK01H00011 JK FL MULTI OUT M JK701 K2AA2B000015 JK AC INLET M EARTH TERMINAL E500 SNE1004 3 EARTH TERMINAL M E601 K4CZ01000027 EARTH LUG M WIRES ...

Page 30: ...AK010XB 1 50V M C502 F1D1H221A012 220P 50V M C503 F1D1H221A012 220P 50V M C504 F1D1H221A012 220P 50V M C505 ECA1CAK100XB 10 16V M C506 ECA1CAK100XB 10 16V M C507 ECQV1H334JL3 0 33 50V M C508 ECQV1H334JL3 0 33 50V M C509 ECQV1H334JL3 0 33 50V M C510 ECQV1H184JL3 0 18 50V M C511 ECA1EAK220XB 22 25V M Ref No Part No Part Name Description Remarks C512 ECA1CAM331XB 330 16V M C513 ECA1CAK100XB 10 16V M ...

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