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Panasonic SB-WA15E, Service Manual

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n

Active subwoofer

Type

1 Way 2 Speaker, Bass-ref.

Speaker unit (Woofer)

13 cm cone type, 4

Ω

Output sound pressure level

80 dB/W (1.0 m)

Frequency range

40 Hz-220 Hz (-16 dB)

45 Hz-180 Hz (-10 dB)

Dimensions (W x H x D)

200 x 367.5 x 492 mm

Mass

11.3 kg

n

General

Power supply

AC 230-240 V, 50 Hz (EB)

AC 230 V, 50 Hz (E)

Power consumption

340 W

Power consumption (Standby
mode)

1 W

n

System: SC-HT15EG-S

Music Center: SA-HT15EG-S

Satellite speakers: SB-HT15P-S

Active subwoofer: SB-WA15E-S

 1 Safety Precautions 

3

©

2005 Matsushita Electric Industrial Co. Ltd.. All

rights

reserved.

Unauthorized

copying

and

distribution is a violation of law.

SB-WA15E
SB-WA15EB

Colour

(S)...Silver Type

n

System: SC-HT15EP-S

Music Center: SA-HT15EP-S

Satellite speakers: SB-HT15P-S

Active subwoofer: SB-WA15E-S

n

System: SC-HT15EB-S

Music Center: SA-HT15EB-S

Satellite speakers: SB-HT15P-S

Active subwoofer: SB-WA15EB-S

Note :

Specifications are subject to change without notice.

Mass and dimensions are approximate.

Active Subwoofer System

Specification

CONTENTS

 Page 

Page

ORDER NO. MD0503091C2

Summary of Contents for SB-WA15E

Page 1: ...te speakers SB HT15P S Active subwoofer SB WA15E S 1 Safety Precautions 3 2005 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law SB WA15E SB WA15EB Colour S Silver Type n System SC HT15EP S Music Center SA HT15EP S Satellite speakers SB HT15P S Active subwoofer SB WA15E S n System SC HT15EB S Music Center SA HT15EB S Satellite spe...

Page 2: ...eform Chart 14 8 1 Voltage Measurement 14 8 2 Waveform Chart 15 9 Block Diagram 16 10 Notes of Schematic Diagram 17 11 Schematic Diagram 18 11 1 Power Circuit 18 11 2 AC Inlet Circuit and Transformer Circuit 20 12 Printed Circuit Board 21 12 1 Power P C B 21 12 2 AC Inlet P C B and Transformer P C B 23 13 Wiring Connection Diagram 24 14 Illustration of IC 痴 Transistors and Diodes 25 15 Parts Locat...

Page 3: ... 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 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 AC...

Page 4: ...2 Caution for AC Mains Lead 4 SB WA15E SB WA15EB ...

Page 5: ...for instance as this may destroy solid state devices After repairs are completed restore power gradually using a variac to avoid overcurrent Current consumption at AC 230 240V 50Hz in NO SIGNAL mode volume at min should be 620 mA EB Current consumption at AC 230V 50Hz in NO SIGNAL mode volume at min should be 620 mA E 5 Protection Circuitry The protection circuitry may have operated if either of t...

Page 6: ...4Ω Be sure to connect the cable from the right speaker to the right terminal and the cable from the left speaker to the left terminal 1 Strip off the outer covering and twist the center conductor Make sure the bare ends of the wires are not unravelled If they are twist them tight again 2 Insert the wire to the rear panel of the unit and close the lever 6 SB WA15E SB WA15EB ...

Page 7: ...ecks or replacement are required Disassembly of the Front Panel Unit Disassembly of Woofer Speaker Unit 1 Disassembly of Woofer Speaker Unit 2 Disassembly of the Power Amp Unit Disassembly of the Rear Panel and Fan Unit Disassembly and checking of the AC Inlet P C B Disassembly and checking of the Power P C B and Transformer P C B Replacement of Power ICs and Transistors 7 1 Disassembly flow chart...

Page 8: ...7 1 2 Disassembly of the Power Amp Unit 8 SB WA15E SB WA15EB ...

Page 9: ... wood chip in between the Front Panel unit and the steel ruler as arrow shown Step 3 Use the screwdriver slightly lift up the Front Panel unit as arrow shown Note Be careful with the bosses which are glued to the unit Step 4 Remove the Front Panel unit from the speaker cabinet assembly unit as arrow shown 7 2 Disassembly of the Speaker Unit and Checking of the P C B 9 SB WA15E SB WA15EB ...

Page 10: ...nit firmly back to the speaker cabinet assembly unit 7 2 2 Disassembly of Woofer Speaker Unit 1 Follow Step 1 to Step 4 described in section 7 2 1 Step 1 Remove 4 screws from the Woofer 1 Step 2 Remove the Woofer 1 by detaching the and wires 7 2 3 Disassembly of Woofer Speaker Unit 2 Follow Step 1 to Step 4 described in section 7 2 1 10 SB WA15E SB WA15EB ...

Page 11: ...and wires 7 2 4 Disassembly of the Power Amp Unit Step 1 Remove 6 screws from the bottom of the speaker cabinet assembly unit Step 2 Remove 3 screws from the rear panel Step 3 Slightly pull out the Power Amp unit as arrow shown Step 4 Disconnect the connector CN506 11 SB WA15E SB WA15EB ...

Page 12: ...ews from the rear panel Step 5 Lay the rear panel flat and remove the fan unit as arrow shown 7 2 6 Disassembly and checking of the AC Inlet P C B Follow Step 1 to Step 4 described in section 7 2 4 Follow Step 1 to Step 3 described in section 7 2 5 Step 1 Check the AC Inlet P C B 7 2 7 Disassembly and checking of the Power P C B and Transformer P C B Follow Step 1 to Step 4 described in section 7 ...

Page 13: ...ed in section 7 2 4 Follow Step 1 to Step 3 described in section 7 2 5 Step 1 Disconnect the connector CN502 Step 2 Remove the AC Inlet P C B by pulling the P C B support claw as arrow shown Step 3 Desolder the terminals of Power IC and Transistors Step 4 Remove 1 screw and the transistor holder Step 5 Remove 2 screws Step 6 Replace the Power IC501 and Transistors Q511 Q512 13 SB WA15E SB WA15EB ...

Page 14: ...al impedance of the DC circuit tester Circuit voltage and waveform described herein shall be 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 8 1 Voltage Measurement 8 1 1 AC Inlet P C B ERROR E asa DAND 手配分_A 24_L 6 A4 md0503091c2 volt_1 pdf 8 1 2 P...

Page 15: ...52Vp p 10msec div CN501 PIN 22 CD PLAY 8 52Vp p 10msec div CN501 PIN 24 CD PLAY 8 28Vp p 10msec div CN503 PIN 1 CD PLAY 137 0Vp p 10msec div CN503 PIN 3 CD PLAY 69 6Vp p 10msec div CN503 PIN 7 CD PLAY 70 4Vp p 10msec div CN503 PIN 9 CD PLAY 137 0Vp p 10msec div CN501 PIN 8 CD PLAY 1 06Vp p 10msec div 15 SB WA15E SB WA15EB ...

Page 16: ...SWITCH 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 HT15EG EB EP S FL1 FL2 B B D527 D530 B VOLTAGE REGULATOR POWER HIC SIGNAL LINES IC501 RSN311W64D P JK500 AC INLET RLY501 POWER TRANSFORMER BACK UP TRANSFORMER JK502 CENTRE SPEAKER CN506 SUBWOOFER JK501 FRONT SPEAKER JK501 JK502 SURROUND SPEAKER FAN MOTOR ...

Page 17: ...ark 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 Secondary trouble can be prevented by tak...

Page 18: ...KTC3199GRTA SWITCH Q503 KTC3199GRTA SWITCH IC501 RSN311W64D P POWER HIC C551 0 01 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 SCHEMATIC DIAGRAM 1 POWER CIRCUIT B SIGNAL LINE MAIN SIGNAL LINE B SIGNAL LINE TO FAN TO MAIN CIRCUIT JK2000 OF SA HT15EG EB EP S R583 100 R584 47K D559 D558 R582 220K C576 50V 10P C5...

Page 19: ...C572 50V100 R560 150 C573 1000P R561 3 9K D509 SRLch FRch FLch PCONT GND SYNC SYS6V R571 1 8K C569 0 047 R621 10 L501 G0AR76Y00001 R622 10 R625 10 R624 10 R623 10 L502 G0AR76Y00001 FP1 5A L505 G0AR76Y00001 L503 G0AR76Y00001 L504 G0AR76Y00001 SUB B HELP 2 4 6 7 5 3 1 TO AC INLET CIRCUIT CN502 ON SCHEMATIC DIAGRAM 3 SCHEMATIC DIAGRAM 2 POWER CIRCUIT B SIGNAL LINE MAIN SIGNAL LINE B SIGNAL LINE 1 2 3...

Page 20: ...27 D530 B0EAKM000122 D525 B0BA6R600008 T501 G4C8AHZ00001 T502 G4C2AAJ00005 H503 W503 C558 16V1000 W2 L500 ELF15N035AN SUB B HELP C500 1000P FOR E SERIES ONLY FOR EB SERIES ONLY 2 4 6 7 5 3 1 R588 150 D528 RLY501 K6B1AEA00003 3 4 1 2 Z501 ERZV10V511CS D527 D530 D529 SCHEMATIC DIAGRAM 3 TRANSFORMER CIRCUIT B SIGNAL LINE B SIGNAL LINE TO POWER CIRCUIT CP502 ON SCHEMATIC DIAGRAM 2 AC INLET CIRCUIT 14 ...

Page 21: ...550 C522 C532 C531 C530 C533 C519 C520 C518 C521 C569 R606 R538 R530 R531 R533 R534 R537 D502 C576 J626 J501 J502 D501 C513 C J515 R577 J627 J581 J509 J505 J629 J631 J628 C581 J633 R624 R621 R625 R622 SURROUND LEFT SPEAKER FRONT LEFT SPEAKER FRONT RIGHT SPEAKER SURROUND RIGHT SPEAKER TO MAIN UNIT CENTRE SPEAKER Q506 Q505 Q55 CN506 CN507 CN501 IC501 JK501 JK502 CP502 E500 C527 C526 C525 C524 L505 L...

Page 22: ...10 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 C574 C579 C575 C578 C573 R563 R606 R561 R610 R609 R569 D510 D502 C546 D599 D598 D597 C580 C514 C560 C516 C515 C570 C647 C576 D501 C513 C517 J515 R567 C553 R571 J630 J503 J513 J514 J632 Q502 Q506 505 Q552 Q520 Q501 Q503 Q...

Page 23: ...JK500 J6010 J6007 J6008 R401 J6006 C500 J6005 D500 R579 J6009 R590 Q519 Q515 J6001 J6002 J6003 J6004 F1 250V 2A H503 W503 FC501 FC502 T501 POWER TRANSFORMER BRW W1 W2 BLU BRW BLU W2 W1 AC IN PRIMARY SECONDARY T502 SUB TRANSFORMER R580 C559 D528 Q516 D527 R589 R578 C556 R588 C555 C557 Q517 D525 R587 C558 J420 E EB 230 240V 50Hz E 230V 50Hz D529 D530 J420 EB 4 3 2 1 7 6 5 4 3 2 1 1 13 14 12 10 11 9 ...

Page 24: ... 1 15 FAN SOLDER SIDE SOLDER SIDE PbF PbF SURROUND LEFT SPEAKER FRONT LEFT SPEAKER FRONT RIGHT SPEAKER SURROUND RIGHT SPEAKER TO MAIN UNIT CENTRE SPEAKER W1 BRW W2 BLU JK500 T502 SUB TRANSFORMER W1 BRW W2 BLU T501 POWER TRANSFORMER 230 240V 50Hz EB 230V 50Hz E AC IN PbF CAUTION RISK OF ELECTRIC SHOCK AC VOLTAGE LINE PLEASE DO NOT TOUCH THIS P C B SOLDER SIDE SB WA15E SB WA15EB 24 ...

Page 25: ...100013 B0BA6R600008 A Ca Cathode Anode B0FBAM000009 B0JAPG000019 B0EAKM000117 Anode Cathode A Ca B0BA01900005 B0BA01100004 B0BA5R600016 B0AACK000004 2SD0592ARA E C B RSN311W64D P 1 26 B0EAKM000122 Anode Cathode A Ca B1GCCFJJ0016 B C E C B1ACCF000094 E B C B E B1BACG000048 B1BCCG000023 25 SB WA15E SB WA15EB ...

Page 26: ...r Parts without these indications can be used for all areas Capacitor values are in microfarads µF unless specified 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 ...

Page 27: ...15 1 Cabinet 15 1 1 Cabinet Parts Location 27 SB WA15E SB WA15EB ...

Page 28: ...28 SB WA15E SB WA15EB ...

Page 29: ...NG WOOFER M 4 RGNV0140 K SPEC LABEL M E 4 RGNV0141 K SPEC LABEL M EB 5 XTS4 20JFJ SCREW CHASSIS M 6 REM0072 4 FAN M 7 RGRX0040N HJ REAR PANEL M 8 RHD30065 1S SCREW FAN INSULATOR M 9 RHD30092 1 SCREW M 10 RHD30119 S SCREW M 11 RMC0158 S2 TRANSISTOR HOLDER M 12 RMG0606 K FAN INSULATOR M 13 RMN0203 PCB HOLDER M 14 XTB3 10JFJ SCREW M 15 XTB3 16AFJ SCREW REAR PANEL M 16 XTB4 10JFJ SCREW WOOFER M 17 XTN...

Page 30: ...D564 B0BA01900005 DIODE M D565 B0BA01900005 DIODE M D566 B0BA01900005 DIODE M D597 B0FBAM000009 DIODE M D598 B0FBAM000009 DIODE M D599 B0FBAM000009 DIODE M CONNECTORS CN501 K1FB125B0095 SYSTEM CONNECTOR M CN502 K1KB07B00020 CONNECTOR M CN503 RJT119W15V CONNECTOR M CN506 K1KA04AA0186 CONNECTOR M CN507 K1KA02AA0186 FAN CONNECTOR M Ref No Part No Part Name Description Remarks CP502 K1KA07AA0297 CONNE...

Page 31: ...609 D0AF152JA039 1 5K 1 4W M R610 ERD2FCVJ4R7T 4 7 1 4W M R621 D0AE100JA048 10 1 4W M R622 D0AE100JA048 10 1 4W M R623 D0AE100JA048 10 1 4W M R624 D0AE100JA048 10 1 4W M R625 D0AE100JA048 10 1 4W M Ref No Part No Part Name Description Remarks CAPACITORS C500 ECKWRS102MBC 1000P 400V M C501 F1D1H102A012 1000P 50V M C502 F1D1H102A012 1000P 50V M C503 F1D1H102A012 1000P 50V M C504 F1D1H102A012 1000P 5...

Page 32: ...escription Remarks PACKING MATERIALS Ref No Part No Part Name Description Remarks P1 RPNV0068 POLYFOAM M P2 RPFX0113 MIRAMAT M 15 3 Packing Materials Accessories Parts List 15 4 Packaging 32 SB WA15E SB WA15EB FLE0503 J A S E N ...

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