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Panasonic SB-WA530EB Service Manual
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Panasonic SB-WA530EB Service Manual

Panasonic SB-WA530EB Service Manual

Active subwoofer system
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Specification
n Active subwoofer
Type
Speaker unit(s)
1. Woofer
2. Woofer
Output sound pressure level
Frequency range
Dimensions (W x H x D)
Mass
n General
Power consumption
CONTENTS
1 way, 2 speaker system, Bass
reflex
13 cm Cone type, 4Ω
13 cm Cone type, 4Ω
80 dB/W (1.0 m)
40 Hz-220 Hz (-16 dB)
45 Hz-180 Hz (-10 dB)
201.5 x 368.2 x 491.5 mm
11.3 kg
250 W
Page
Active Subwoofer System
SB-WA530EB
Colour
(S)... Silver Type
Power supply
Note :
Specifications are subject to change without notice.
Mass and dimensions are approximate.
n System : SC-HT530(EB)
3
3
4
5
5
© 2005 Matsushita Electric Industrial Co. Ltd.. All
rights
distribution is a violation of law.
ORDER NO. MD0502044C2
AC 230-240V, 50Hz
Music Center : SA-HT530(EB)
Satellite Speakers : SB-HT530(EB)
Active Subwoofer : SB-WA530(EB)
reserved.
Unauthorized
Page
5
5
6
7
7
copying
and

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Summary of Contents for Panasonic SB-WA530EB

  • Page 1: Table Of Contents

    ORDER NO. MD0502044C2 Active Subwoofer System SB-WA530EB Colour (S)... Silver Type Specification n Active subwoofer Power supply AC 230-240V, 50Hz Type 1 way, 2 speaker system, Bass reflex Note : Speaker unit(s) Specifications are subject to change without notice. 1. Woofer 13 cm Cone type, 4Ω...
  • Page 2 SB-WA530EB 7.2. Disassembly of the Speaker Unit and Checking of the 12 Printed Circuit Board P.C.B. 12.1. Power P.C.B. 8 Voltage Measurement and Waveform Chart 12.2. AC Inlet P.C.B. and Transformer P.C.B. 8.1. Voltage Measurement 13 Wiring Connection Diagram 8.2. Waveform...

  • Page 3: Safety Precautions

    SB-WA530EB 1 Safety Precautions 1.1. GENERAL GUIDELINES 1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. 2. After servicing, ensure that all the protective devices such as insulation barriers, insulation papers shields are properly installed.

  • Page 4: Caution For Ac Mains Lead

    SB-WA530EB 2 Caution for AC Mains Lead...

  • Page 5: Handling The Lead-Free Solder

    SB-WA530EB 3 Handling the Lead-free Solder 3.1. 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 than standard solder. Typically the melting point is 50 - 70°F (30 - 40°C) higher.

  • Page 6: Connection Of The Speaker Cables

    SB-WA530EB 6 Connection of the Speaker Cables · Be sure to connect speaker cables before connecting the AC power supply cord. · The load impedance of any speaker used with this unit must be 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.

  • Page 7: Disassembly Procedure

    SB-WA530EB 7 Disassembly Procedure “ATTENTION SERVICER” Some chassis 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.

  • Page 8: Disassembly Of The Speaker Unit And Checking Of The

    SB-WA530EB 7.2. Disassembly of the Speaker Unit and Checking of the P.C.B. 7.2.1. Disassembly of the Front Panel Unit Step 3: Use the screwdriver to slightly lift up the Front Panel Unit as arrow shown. Step 1: Slot in a steel ruler to give a gap between the Front...
  • Page 9 SB-WA530EB · Assembly of the Front Panel Unit. Step 1: Remove 4 screws from the Woofer 1. 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 Step 2: Remove the Woofer 1 by detaching the (+) and (-) cabinet.
  • Page 10 SB-WA530EB 7.2.4. Disassembly of the Power Amp Unit Step 1: Remove 4 screws from the Woofer 2. Step 1: Lay the speaker unit as shown. Remove 6 screws from the bottom of the woofer unit. Step 2: Remove the Woofer 2 by detaching the (+) and (-) wires.
  • Page 11 SB-WA530EB 7.2.5. Disassembly of the Rear Panel and Fan Unit Follow Step (1) to Step (5) described in section 7.2.4. Step 3: Pull out the Power Amp Unit slightly as shown. Step 1 & 2: Remove 7 screws from the rear panel.
  • Page 12 SB-WA530EB Step 5: Lay the rear panel and remove the Fan Unit as arrow shown. 7.2.6. Disassembly and checking of the AC Inlet P.C.B., Power P.C.B. and Step 4 & 5: Remove 6 screws. Transformer P.C.B. Follow Step (1) to Step (5) described in section 7.2.4.
  • Page 13 SB-WA530EB Step 4: Detach the Power IC and Transistor from Heat sink. 7.2.7. Replacement of Power IC and Transistor Follow Step (1) to Step (5) described in section 7.2.4. Follow Step (1) to Step (3) described in section 7.2.5. Step 1: Desolder the Power IC and Transistor terminal.

  • Page 14: Voltage Measurement And Waveform Chart

    SB-WA530EB 8 Voltage Measurement and Waveform Chart 8.1. Voltage Measurement ERROR: E:\asa\DAND\ _A-24_L-6\A4\md0502044c2\wa530eb.pdf 8.2. Waveform CN501 PIN 1 CN501 PIN 3 CN501 PIN 8 CP501 PIN 21 CD PLAY CD PLAY CD PLAY CD PLAY 19.0Vp-p (10msec.div) 18.8Vp-p (10msec.div) 1.08Vp-p (10msec.div) 5.32Vp-p (10msec.div)

  • Page 15: Block Diagram

    SB-WA530EB 9 Block Diagram IC501 RSN311W64D-P POWER HIC POWER CONTROL CIRCUIT POWER CONTROL/PROTECTION CIRCUIT 12(11) (25) (19) D501 D502 Q506 INTERFACE SWITCH TO MAIN BLOCK Q505 (JK2000) OF SA-HT530EB-S SWITCH SL(R) FILTER JK501(JK502) SURROUND SPEAKER CENTRE FILTER JK502 CENTRE SPEAKER...

  • Page 16: Notes Of Schematic Diagram

    SB-WA530EB 10 Notes of Schematic Diagram (All schematic diagrams may be modified at any 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.

  • Page 17: Schematic Diagram

    SB-WA530EB 11 Schematic Diagram 11.1. Power Circuit SCHEMATIC DIAGRAM-1 : -B SIGNAL LINE : MAIN SIGNAL LINE POWER CIRCUIT : +B SIGNAL LINE IC501 IC501 RSN311W64D-P POWER HIC E501 C551 K4CZ01000027 0.01 R513 R501 4.7K R502 C507 18P 4.7K R514...
  • Page 18 SB-WA530EB SCHEMATIC DIAGRAM-2 : MAIN SIGNAL LINE : -B SIGNAL LINE POWER CIRCUIT : +B SIGNAL LINE JK501 SRLch FRch L501 0.7µH FLch L502 0.7µH R621 R622 L505 0.7µH JK502 L503 0.7µH R625 SRRch L504 0.7µH R623 CENTER C569 C518 0.047...

  • Page 19: Transformer Circuit And Ac Inlet Circuit

    SB-WA530EB 11.2. Transformer Circuit and AC Inlet Circuit SCHEMATIC DIAGRAM-3 : -B SIGNAL LINE : +B SIGNAL LINE C555 R589 35V4.7 Q516 R578 B1GACFJJ0016 SYNC SWITCH CN502 D527~D530 R580 B0EAKM000122 PCONT D.GND Q517 POWER CIRCUIT R587 B1BACG000036 2.7K (CP502) ON...

  • Page 20: Printed Circuit Board

    SB-WA530EB 12 Printed Circuit Board 12.1. Power P.C.B. POWER P.C.B (REPX0473B) CN501 J539 J570 J528 CP502 C550 E500 TO MAIN UNIT J567 R583 D508 J504 J533 C576 D504 C577 Q505 Q506 J512 D558 R521 R581 R522 J521 JK502 C532 CENTRE...
  • Page 21 SB-WA530EB D562 Q557 Q556 Q552 J567 R583 C570 D508 C580 J504 J533 R582 C576 J586 R606 Q553 Q555 Q554 Q505 Q506 J544 Q501 D560 R558 D555 D558 CN503 D557 Q520 R564 R402 R581 J587 Q502 J588 J509 J553 D518 J631...

  • Page 22: Ac Inlet P.c.b. And Transformer P.c.b

    SB-WA530EB 12.2. AC Inlet P.C.B. and Transformer P.C.B. AC INLET P.C.B (REPX0473B) (BLU) (BRW) T2AL 250V FC501 FC502 T502 (BACK-UP TRANSFORMER) Q517 JK500 L500 Q516 J6001 RLY501 C555 R589 R578 Q519 AC IN J6002 C557 230V-240V C558 J6003 50Hz Q515...

  • Page 23: Wiring Connection Diagram

    SB-WA530EB 13 Wiring Connection Diagram CN501 7..1 TO MAIN UNIT CN503 CP502 CENTER SPEAKER JK502 SURROUND RIGHT SPEAKER SURROUND LEFT SPEAKER FRONT RIGHT SPEAKER CN507 SPEAKER FRONT LEFT JK501 SPEAKER WOOFER CN506 SOLDER SIDE POWER P.C.B.

  • Page 24: Illustration Of Ics, Transistors And Diodes

    SB-WA530EB 14 Illustration of ICs, Transistors and Diodes B1GCCFJJ0015 RSN311W64D-P B1ACCF000063 2SD0592ARA B1BCCG000021 B1GACFJJ0016 B1BACG000036 B1AACF000089 B0JAPG000019 MA2C700A0F B0BA5R100013 B0BA5R600016 B0BA01900005 B0EAKM000117 B0BA01100004 B0BA6R600008 B0HARM000017 Cathode Cathode Cathode Anode Anode Anode B0AACK000004 B0EAKM000122 Cathode Anode...

  • Page 25: Parts Location And Replacement Parts List

    SB-WA530EB 15 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), etc are used.

  • Page 26: Cabinet

    SB-WA530EB 15.1. Cabinet 15.1.1. Cabinet Parts Location...
  • Page 27 SB-WA530EB...
  • Page 28 SB-WA530EB 15.1.2. Cabinet Parts List Ref. Part No. Part Name & Description Remarks CABINET AND CHASSIS RFKHBWA730PP SUB WOOFER CAB ASS’Y XTB3+12GFJ SCREW B3AAA0000583 LED (RED) RGKX0284-H XTB4+12AFJ WOOD SCREW (TBZP) RKAX0019-KJ LEG CUSHION RYQX0167A-S FRONT PANEL UNIT (HB RMQX0106...

  • Page 29: Electrical Parts List

    SB-WA530EB 15.2. Electrical Parts List Ref. Part No. Part Name & Description Remarks CN506 K1KA04A00105 4P CONNECTOR Ref. Part No. Part Name & Description Remarks CN507 K1KA02A00008 2P CONNECTOR PRINTED CIRCUIT BOARD CP502 K1KA07A00123 7P CONNECTOR REPX0473B POWER P.C.B./ AC INLET [M] RTL COILS &...
  • Page 30 SB-WA530EB Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R508 ERDS2TJ392T 3.9K 1/4W R625 ERDS2TJ100T 10 1/4W R509 ERDS2TJ472T 4.7K 1/4W R510 ERDS2TJ472T 4.7K 1/4W CAPACITORS R511 ERDS2TJ153T 15K 1/4W R512 ERDS2TJ153T...

  • Page 31: Packing Materials & Accessories Parts List

    SB-WA530EB 15.3. Packing Materials & Accessories Parts List Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks PACKING MATERIALS RPNX0292 POLYFOAM RPFX0071 MIRAMAT BAG 15.4. Packaging FLE0502/K/A/S/E/N/J...

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