Panasonic SB-WA1000E Service Manual Download Page 29

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12 Schematic Diagram

12.1. Power Circuit

R414

220K

Q407,Q408

B1AACF000117

SWITCH

R417

22K

C406 10V220

R419

120K

R416

120K

C405

50V2.2

R418

5.6K

D404

B0AACK000004

C603 820P

R609 56K

C608

10P

C625

0.01

CN601

E601

C619

0.1

C618

0.047
R620

C621

0.1

C622

0.047
R621

Q409

2SC3940ARA

REGULATOR

C410

0.01

C407

16V47

D405

B0BA01200008

C408

0.01

R422

2.2K

C409

25V330

D406

D408

D407

D409

C616

35V5600

C617

35V5600

D607

D609

D608

D610

D612

B0EAKM000122

R628

R626

5.6K

R625

Q602

B1AACF000117

SWITCH

R627

4.7K

Q603

B1GACFJJ0018

SWITCH

C620

0.1

CN101A

R108

100

C107

0.33

10 16V10

C109 100P

C108 16V10

C106 100P

R106 4.7K

IC101

C0AABB000086

DUAL OP-AMP

VEE

VCC

D102

B0AACK000004

D101

B0AACK000004

R107

3.3K

C105

0.33

D201

B0BA7R900004

R212

100K

D202

B0AACK000004

VEE

VCC

R208

220K

R207

10K

D203

B0AACK000004

R204

470K

C203

0.001

C202

0.047

R201

220K

R205

100

C205

0.01

C204

25V22

R202

220K

Q201

B1GACFJJ0018

SWITCH

R206

10K

R203

100K

R307

VEE

VCC

R305

330K

R306

10K

R303

470K

C302

0.01

R301

10K

R309

10K

C304

16V10

D302

B0AACK000004

C305

16V10

R310

220K

D303

MA2C700A0F

R311

10K

Q301,Q302

B1AACF000117

AMPILIFER

Q302

D403

B0AACK000004

Q405

B1AACF000117

SWITCH

R413

47K

Q406

B1ACCF000089

SWITCH

R404

100

R402

56K

R401

10K

C401

16V33

Q401

2SB0621AHA

CURRENT CONTROL

R406

5.6K

R405

820K

C402

0.1

R403

4.7K

R407

10K

D402 MA2C700A0F

D401

MA2C700A0F

C403

10V220

R409 18

R410 56K

C404

10V220

R411

10K

R412

820K

FAN-

FAN+

R209

330

IC201

C0AABB000086

DUAL OP-AMP

IC301

C0AABB000086

DUAL OP-AMP

R415

470K

Q202

B1ACCF000089

REGULATOR

Q301

Q405

Q407

Q408

1
2
3
4
5
6
7

CN401

D406-D409

B0EAKM000122

CN604

C604 820P

R603

4.7

C602

50V33

R602

4.7K

R604 220

R605 220

C601

50V33

R601

4.7K

R607 56K

C605

10P

Q601

B1GCCFGJ0004

SWITCH

R615 180K

R617 220K

R61

1 150K

R612 150K

CP603

C613

63V1000

C614

63V1000

D602

D605

D603

D606

C615

0.1

CN602

R622

L601

RLQYR73MW-B

R623

L602

RLQYR73MW-B

D611

B0AACK000004

R624

220

R420

22K

R421

22K

C201

0.01

C609 0.001

D602,D603,D605,D606

B0EAMM000038

D607~D610

B0EAMM000038

RLY601

K6B2AHA00014

C623

0.022

C624

0.022

C518

25V22

8
9

1
2
3
4

6
7

R101

100K

C101

220P

C111

220P

R102

2.2K

R103

47K

C102

50V1

R105

1.8K

C103

220P

C104

220P

R104

68K

R210

220K

R211

C207

16V330

C206

0.1

R308

12K

C303

100P

C301

16V10

R304

R302

8.2K

R312

10K

D301

B0AACK000004

R408 220K

D613

B0BA01800018

C520

50V2.2

Q402

Q403

Q404

Q401

Q402,Q403

B1AACF000117

SWITCH

Q404

B1AACF000117

SUPPLY CONTROL

R606 22

C606 100V33

R608 22

C607 100V33

R614

470K

C610

100V2.2

R616 47K

C61

1 25V100

R618

150K

C612 0.01

D601

B0EAMM000038

D604

B0EAMM000038

R619

680K

SGND

-VD

+VD

SENS-

SENS+

IHDET

DISP

GND

-HOUT

+HOUT

-VH

+VH

V02

V01

OVER LOAD

NC(OPEN)

IN1-

IN2-

22 21 20 19 18 17 16 15 14 13 12 11 10

IC601

RSN313H25B-P

POWER HIC

1
2

JK101

POWER CIRCUIT

:+B SIGNAL LINE

:-B SIGNAL LINE

:MAIN SIGNAL LINE

SCHEMATIC DIAGRAM - 1

INPUT

+
- (GND

+
- (GND)

TRANSFORMER

CIRCUIT (H604/

W604) IN

SCHEMATIC

DIAGRAM - 2

AC INLET

CIRCUIT

(CN603) IN

SCHEMATIC

DIAGRAM - 3

LEVEL CONTROL

CIRCUIT (CN101B)

IN SCHEMATIC

DIAGRAM - 2

TO FAN

SB-WA1000E POWER CIRCUIT

SB-WA1000E

Summary of Contents for SB-WA1000E

Page 1: ...x H x D 254 mm x 496 mm x 500 mm Mass Approx 22 kg Power consumption in input standby condition 1 5 W 1 Safety Precautions 3 2006 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law SB WA1000E Colour S Silver Type Note Specifications are subject to change without notice nSystem SB TP1000E S Speaker System SB FS1000E S Active subwoof...

Page 2: ...16 6 9 Disassembly of Amp unit 16 6 10 Disassembly of Rear panel assembly 18 6 11 Disassembly of Fan unit 18 6 12 Disassembly and checking of AC inlet P C B Power P C B and Transformer P C B 19 6 13 Replacement of the Power IC 20 7 Voltage Measurement and Waveform Chart 21 7 1 Voltage Measurement 21 7 2 Waveform Chart 22 8 Connection of the Speaker wiring 23 9 Wiring Connection Diagram 24 10 Block...

Page 3: ...s not 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 U...

Page 4: ...ther 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 used If this occurs follow the proc...

Page 5: ...sembly 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 devic...

Page 6: ...ork using Lead 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 th...

Page 7: ...4 Accessory AC mains lead 1 pc Monaural connection cable 5 m 1 pc 7 SB WA1000E ...

Page 8: ...er a with 6 Ω impedance for the front center and surround speakers and a pin type output terminal for an active subwoofer You cannot connect these speakers to any equipment other than this amplifier Before connection Turn off the other equipment Do not connect the AC power supply cord until all other cables and cords are connected 8 SB WA1000E ...

Page 9: ...Note Do not move the speaker while the speaker cables are connected This may cause a short circuit Make sure to bundle the speaker cable with a string etc when relocating the speaker cables Location The front and surround speakers should be placed approximately the same distance from the listening position The angles in the diagram are approximate Front speakers Including center channel left and r...

Page 10: ...Do not position the front speakers so that they face outward or overly inward Place them so that they are facing more or less straight ahead c Surround speakers left and right Put the surround speakers to the side of or slightly behind the seating area Active subwoofer Place it at least 5 cm from the wall as it has a bass reflex port in the rear Depending on speaker location the low range frequenc...

Page 11: ... index when checks or replacement are required Below is the list of disassembly sections Disassembly of Front net frame unit Disassembly of Woofer 1 Disassembly of Rear net frame unit Disassembly of Woofer 2 Disassembly of Level control P C B and LED P C B Disassembly of Stand base Disassembly of AMP unit Disassembly of Rear panel assembly Disassembly of Fan unit Disassembly of AC inlet P C B Powe...

Page 12: ...Step 1 Detach the front net frame unit as arrow shown Caution Do not exert strong force on the bosses at the unit 6 4 Disassembly of Woofer 1 Follow step 1 in item 6 3 Step 1 Remove 4 screws Step 2 Detach the red and black wires 12 SB WA1000E ...

Page 13: ...sembly of Rear net frame unit Step 1 Remove the rear net frame unit as arrow shown 6 6 Disassembly of Woofer 2 Follow step 1 in item 6 5 Step 1 Remove 4 screws Step 2 Detach the red and black wires 13 SB WA1000E ...

Page 14: ...low step 1 in item 6 3 Step 1 Detach the connectors CN502B and CN101B Step 2 Remove 6 screws Step 3 Remove the control panel unit from the front net frame as arrow shown Step 4 Remove 2 screws Step 5 Remove the barrier as arrow shown Step 6 Remove 2 screws 14 SB WA1000E ...

Page 15: ...he longnose piler to turn and pull out the 2 nuts as arrow shown Step 9 Cover with a soft cloth and pull out the selector knob and power knob as arrow shown Step 10 Pull out the control panel as arrow shown Step 11 Remove 2 screws Step 12 Remove the volume angle as arrow shown 15 SB WA1000E ...

Page 16: ... Level control P C B 6 8 Disassembly of the Stand base Step 1 Remove 4 screws Step 2 Remove the stand base as arrow shown 6 9 Disassembly of Amp unit Follow step 1 to step 2 in item 6 8 Step 1 Remove 8 screws Step 2 Remove the rear net frame unit as arrow shown 16 SB WA1000E ...

Page 17: ...ut the Amp unit as arrow shown Take note of the attached connectors Step 5 Cut the 2 lead clampers to release the wires Step 6 Disconnect the connectors CN601 CN602 CN502A and CN101A Step 7 Pull out the entire Amp unit as arrow shown 17 SB WA1000E ...

Page 18: ...5 screws Step 2 Disconnect the connector CN401 and remove the rear panel assembly 6 11 Disassembly of Fan unit Follow step 1 to step 2 in item 6 8 Follow step 1 to step 7 in item 6 9 Follow step 1 to step 2 in item 6 10 Step 1 Remove 4 screws Step 2 Remove the fan unit from the rear panel assembly as arrow shown 18 SB WA1000E ...

Page 19: ...p 1 to step 2 in item 6 8 Follow step 1 to step 7 in item 6 9 Follow step 1 to step 2 in item 6 10 Step 1 Remove 2 screws Step 2 Release P C B holder Step 3 Detach the connector CP603 Step 4 Pull out the AC Inlet P C B as arrow shown Step 5 Remove 2 screws Step 6 Remove 2 screws 19 SB WA1000E ...

Page 20: ...d AC inlet P C B for checking 6 13 Replacement of the Power IC Follow step 1 to step 2 in item 6 8 Follow step 1 to step 7 in item 6 9 Follow step 1 to step 2 in item 6 10 Follow step 1 to step 6 in item 6 12 Step 1 Desolder the IC terminal Step 2 Remove 2 screws 20 SB WA1000E ...

Page 21: ...regarded as reference information when probing defect point because it may differ from actual measuring value due to difference of Measuring instrument and its measuring condition and product itself 7 1 Voltage Measurement 7 1 1 Power P C B 4GH 0Q 1 670 4 56 0 4GH 0Q 1 670 4 56 0 4GH 0Q 1 670 4 56 0 4GH 0Q 1 670 4 56 0 4GH 0Q 1 670 4 56 0 4GH 0Q 1 670 4 56 0 4GH 0Q 1 670 4 56 0 4GH 0Q 1 670 4 56 0...

Page 22: ... 2 5usec div IC301 PIN 2 TUNER PLAY 124mVp p 2 5usec div IC301 PIN 5 TUNER PLAY 190mVp p 2 5usec div IC301 PIN 7 TUNER PLAY 198mVp p 2 5usec div IC502 PIN 1 TUNER PLAY 222mVp p 2 5usec div IC101 PIN 5 TUNER PLAY 159mVp p 10usec div IC502 PIN 2 TUNER PLAY 328mVp p 2 5usec div IC502 PIN 5 TUNER PLAY 224mVp p 2 5usec div IC502 PIN 7 TUNER PLAY 200mVp p 2 5usec div IC601 PIN 4 TUNER PLAY 378mVp p 25ms...

Page 23: ...8 Connection of the Speaker wiring 23 SB WA1000E ...

Page 24: ...bF PbF CAUTION RISK OF ELECTRIC SHOCK AC VOLTAGE LINE PLEASE DO NOT TOUCH THIS P C B PHASE LOW PASS FILTER VOLUME POWER INPUT LED P C B FAN SPEAKER WOOFER 2 SPEAKER WOOFER 1 AC INLET P C B TRANSFORMER P C B SOLDER SIDE SOLDER SIDE SOLDER SIDE SOLDER SIDE SOLDER SIDE 24 SB WA1000E ...

Page 25: ...Q409 REGULATOR 1 7 3 6 2 5 FILTER S501 MOTOR T701 Z702 F1 L701 RLY701 D602 D603 D605 D606 S502 D702 POWER SW D607 D610 D406 D409 Q302 SWITCH 21 IN2 15 RLY 12 IH DET 11 DISP HMUT 7 AC 1 VH 18 VD 2 VH 19 VD 3 V02 20 IN1 6 V01 22 SGND 8 GND 10 DC 14 SENS 13 SENS FILTER FILTER RLY601 Q601 SWITCH CN601 SPEAKER CN602 SPEAKER Q403 SWITCH DUAL OP AMP DUAL OP AMP DUAL OP AMP DUAL OP AMP SIGNAL LINES JK101 ...

Page 26: ...SB WA1000E 26 ...

Page 27: ...uality 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 In case of AC rated voltage Capacitor the part no and values will be indicated in the Schematic Diagram AC rated voltage capacitor C508 C703 Capacitor values are in microfarad µF unless specified otherwise F Farad pF Pico Farad Resista...

Page 28: ...28 SB WA1000E ...

Page 29: ... Q202 B1ACCF000089 REGULATOR Q301 Q405 Q407 Q408 1 2 3 4 5 6 7 2 1 CN401 D406 D409 B0EAKM000122 CN604 C604 820P R603 4 7 C602 50V33 R602 4 7K R604 220 R605 220 C601 50V33 R601 4 7K R607 56K C605 10P Q601 B1GCCFGJ0004 SWITCH R615 180K R617 220K R611 150K R612 150K CP603 C613 63V1000 C614 63V1000 D602 D605 D603 D606 C615 0 1 CN602 R622 47 L601 RLQYR73MW B R623 47 L602 RLQYR73MW B D611 B0AACK000004 R...

Page 30: ...02 Q501 Q502 B1GCCFJJ0016 LED DRIVE VR502 D2BDD14B0002 LOW PASS FILTER W501 W501 D501 B3AKA0000006 1 2 3 4 5 6 7 VR501 C508 ECKWRS102MBC 1000P CN502B S502 POWER SW 1 2 1 2 7 8 3 6 4 5 2 3 1 2 3 1 LEVEL CONTROL CIRCUIT LED CIRCUIT TRANSFORMER CIRCUIT B SIGNAL LINE B SIGNAL LINE MAIN SIGNAL LINE SCHEMATIC DIAGRAM 2 TO AC INLET CIRCUIT CN502A IN SCHEMATIC DIAGRAM 3 TO AC INLET CIRCUIT W701 W702 IN SC...

Page 31: ...4 25V330 D703 D704 D701 B0AACK000004 RLY701 K6B1AEA00003 C703 ECKWRS102MBC 1000P FC701 FC702 Q704 2SB0621AHA SUPPLY SWITCH C710 25V330 D707 D706 CN603 D703 D704 D706 D707 B0EAKM000122 1 2 4 3 2 1 1 2 3 4 6 7 5 W701 W702 F1 250V 2 5A AC INLET CIRCUIT B SIGNAL LINE B SIGNAL LINE SCHEMATIC DIAGRAM 3 TO LEVEL CONTROL CIRCUIT CN502B IN SCHEMATIC DIAGRAM 2 TO POWER CIRCUIT CP603 IN SCHEMATIC DIAGRAM 1 T...

Page 32: ...SB WA1000E 32 ...

Page 33: ...R208 R206 R203 R212 Q201 C206 C205 C207 R211 Q202 D203 D303 R210 R310 C302 C305 IC301 R309 R305 R312 C304 C108 D302 D301 R311 R303 Q302 Q301 C612 R618 R617 C610 R614 C609 R616 R615 C608 R609 C605 R607 J501 C603 C604 J302 C606 C601 R601 R605 R604 R603 R606 R608 C602 C407 D405 C408 Q409 R422 D602 D603 D607 D608 D609 D605 D606 C409 D407 D409 D408 D406 J702 C615 C520 C405 R411 R410 Q402 R402 C404 R404...

Page 34: ...705 D702 C707 C702 C708 R706 R705 R701 R704 R703 R702 RLY701 D701 J520 J220 CN603 T702 SUB TRANSFORMER J130 J131 J132 J133 BRW BLU W701 W702 F1 250V 2 5A FC703 FC704 H604 W604 F2 250V 2A T701 POWER TRANSFORMER BRW W701 W702 BLU SECONDARY PRIMARY SECONDARY PRIMARY CN502A D707 D706 J221 C710 230V 50Hz S502 S501 VR501 VR502 CN101B W501 C508 Q502 Q501 C503 R504 R501 R507 R508 R509 R502 R503 C505 R505 ...

Page 35: ...1ACCF000089 E C B B1GACFJJ0018 B1AACF000117 B1GCCFGJ0004 B1GCCFJJ0016 E C B 2SC3940ARA B0EAKM000122 B0EAMM000038 RSN313H25B P 2SB0621AHA 2SD0592ARA B0BA01200008 B0BA01800018 B0BA7R900004 B0BA6R800007 B0BA01100004 A Ca Anode Cathode 1 22 1 4 5 8 Cathode A Ca Anode B3AKA0000006 Ca A A Anode Anode Cathode 35 SB WA1000E ...

Page 36: ...15 Exploded view 15 1 Cabinet Parts Location 36 SB WA1000E ...

Page 37: ...37 SB WA1000E ...

Page 38: ...15 2 Packaging 15 2 1 SB WA1000E S 38 SB WA1000E ...

Page 39: ...P IC HIC M TRANSISTORS Q201 B1GACFJJ0018 TRANSISTOR M Q202 B1ACCF000089 TRANSISTOR M Q301 B1AACF000117 TRANSISTOR M Q302 B1AACF000117 TRANSISTOR M Q401 2SB0621AHA TRANSISTOR M Q402 B1AACF000117 TRANSISTOR M Q403 B1AACF000117 TRANSISTOR M Q404 B1AACF000117 TRANSISTOR M Q405 B1AACF000117 TRANSISTOR M Q406 B1ACCF000089 TRANSISTOR M Q407 B1AACF000117 TRANSISTOR M 16 Replacement Parts List Important sa...

Page 40: ...E M VARIABLE RESISTORS VR501 D2BDB14B0006 VR VOLUME ENCODER M VR502 D2BDD14B0002 VR LOW PASS FILTER M SWITCHES S501 K0F124A00054 SW PHASE M S502 ESB92S21B SW POWER M CONNECTORS CN101A K1KA07AA0186 7P CONNECTOR M CN101B K1KA07BA0125 7P CONNECTOR M CN401 K1KA02AA0186 FAN CONNECTOR M CN502A K1KA02A00593 CONNECTOR M CN502B K1KA02B00248 2P CONNECTOR M CN601 K1KA02A00592 2P CONNECTOR M CN602 K1KA02A0059...

Page 41: ...20JA039 22 1 4W M R607 D0AE563JA048 56K 1 4W M R608 D0AF220JA039 22 1 4W M R609 D0AE563JA048 56K 1 4W M R611 D0AE154JA048 150K 1 4W M R612 D0AE154JA048 150K 1 4W M Ref No 0 Part No Part Name Description Remarks R614 D0AE474JA048 470K 1 4W M R615 D0AE184JA048 180K 1 4W M R616 D0AE473JA048 47K 1 4W M R617 D0AE224JA048 220K 1 4W M R618 D0AE154JA048 150K 1 4W M R619 ERDS2TJ684T 680K 1 4W M R620 D0AF10...

Page 42: ... ECQV1H473JL3 0 047 50V M C619 ECQV1H104JL3 0 1 50V M C620 ECQE2104KF3 0 1 250V M C621 ECQV1H104JL3 0 1 50V M C622 ECQV1H473JL3 0 047 50V M C623 F1B1H223A007 0 022 50V M C624 F1B1H223A007 0 022 50V M C625 F1E1H1030001 0 01 50V M C701 ECA1EAK220XB 22 25V M C702 F1E1H1030001 0 01 50V M C703 ECKWRS102MBC 1000P 400V M C704 ECA1EAM331XB 330 25V M C705 ECA1CAK100XB 10 16V M C706 F1E1H1030001 0 01 50V M ...

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