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Panasonic SB-WA535EE Service Manual
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Panasonic SB-WA535EE Service Manual

Panasonic SB-WA535EE Service Manual

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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
Power supply
CONTENTS
1 way, 2 speaker system (Bass
reflex)
13 cm Cone type
13 cm Cone type
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
AC 230V, 50Hz
Page
Active Subwoofer System
SB-WA535EE
Colour
(S)... Silver Type
n System : SC-HT535 (EE)
Note :
Specifications are subject to change without notice.
Mass and dimensions are approximate.
3
3
4
4
4
© 2005 Matsushita Electric Industrial Co. Ltd.. All
rights
distribution is a violation of law.
ORDER NO. MD0507276C3
Music Center: SA-HT535 (EE)
Satellite Speakers: SB-HT535 (EG)
Active Subwoofer: SB-WA535 (EE)
reserved.
Unauthorized
Page
4
5
6
6
copying
and

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Summary of Contents for Panasonic SB-WA535EE

  • Page 1: Table Of Contents

    ORDER NO. MD0507276C3 Active Subwoofer System SB-WA535EE Colour (S)... Silver Type Specification n Active subwoofer Type 1 way, 2 speaker system (Bass n System : SC-HT535 (EE) Music Center: SA-HT535 (EE) reflex) Satellite Speakers: SB-HT535 (EG) Speaker unit(s) Active Subwoofer: SB-WA535 (EE) 1.
  • Page 2 SB-WA535EE 6.2. Disassembly of the Speaker Unit and Checking of the 11 Printed Circuit Board P.C.B. 11.1. Power P.C.B. 7 Voltage Measurement and Waveform Chart 11.2. AC Inlet P.C.B. and Transformer P.C.B. 7.1. Voltage Measurement 12 Wiring Connection Diagram 7.2. Waveform Chart...

  • Page 3: Safety Precautions

    SB-WA535EE 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: Handling The Lead-Free Solder

    SB-WA535EE 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 than standard solder. Typically the melting point is 50 - 70°F (30 - 40°C) higher.

  • Page 5: Connection Of The Speaker Cables

    SB-WA535EE 5 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 6: Disassembly Procedure

    SB-WA535EE 6 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 7 SB-WA535EE 6.1.2. Disassembly of Rear Assembly...
  • Page 8 SB-WA535EE 6.2. Disassembly of the Speaker Unit and Checking of the P.C.B. 6.2.1. 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-WA535EE · 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-WA535EE 6.2.4. 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-WA535EE 6.2.5. Disassembly of the Rear Panel and Fan Unit Follow Step (1) to Step (5) described in section 6.2.4. Step 3: Pull out the Power Amp Unit slightly as shown. Step 1 & 2: Remove 7 screws from the rear panel.
  • Page 12 SB-WA535EE Step 5: Lay the rear panel and remove the Fan Unit as arrow shown. 6.2.6. 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 6.2.4.
  • Page 13 SB-WA535EE Step 4: Detach the Power IC and Transistor from Heat sink. 6.2.7. Replacement of Power IC and Transistors Follow Step (1) to Step (5) described in section 6.2.4. Follow Step (1) to Step (3) described in section 6.2.5. Step 1: Desolder the Power IC and Transistor terminal.

  • Page 14: Voltage Measurement And Waveform Chart

    SB-WA535EE 7 Voltage Measurement and Waveform Chart Note: · Indicated voltage values are the standard values for the unit measured by the DC electronic circuit tester (high-impedance) with the chassis taken as standard. Therefore, there may exist some errors in the voltage values, depending on the internal impedance of the DC circuit tester.
  • Page 15 SB-WA535EE 7.2. Waveform Chart 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) CN501 PIN 22 CN503 PIN 1 CN503 PIN 7...

  • Page 16: Block Diagram

    SB-WA535EE 8 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-HT535EE-S SWITCH SL(R) FILTER JK501(JK502) SURROUND SPEAKER CENTRE FILTER JK502 CENTRE SPEAKER...

  • Page 17: Notes Of Schematic Diagram

    SB-WA535EE 9 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 18 SB-WA535EE 10 Schematic Diagram 10.1. 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 R501 R513 4.7K R502 C507 18P 4.7K R514...
  • Page 19 SB-WA535EE 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 20: Transformer Circuit And Ac Inlet Circuit

    SB-WA535EE 10.2. Transformer Circuit and AC Inlet Circuit SCHEMATIC DIAGRAM-3 : -B SIGNAL LINE : +B SIGNAL LINE C555 R589 35V4.7 Q516 R578 B1GACFJJ0018 SYNC SWITCH CN502 D527~D530 R580 B0EAKM000122 PCONT D.GND Q517 POWER CIRCUIT R587 B1BACG000048 2.7K (CP502) ON...
  • Page 21 SB-WA535EE 11 Printed Circuit Board 11.1. Power P.C.B. ERROR: E:\PrintDB\200509\DAND\md0507276c3\pcbpwr1.pdf...
  • Page 22 SB-WA535EE ERROR: E:\PrintDB\200509\DAND\md0507276c3\pcbpwr2.pdf...
  • Page 23 SB-WA535EE 11.2. AC Inlet P.C.B. and Transformer P.C.B. ERROR: E:\PrintDB\200509\DAND\md0507276c3\pcbtrans.pdf...

  • Page 24: Wiring Connection Diagram

    SB-WA535EE 12 Wiring Connection Diagram CN501 7..1 TO MAIN UNIT CN503 CP502 CENTER SPEAKER JK502 SURROUND RIGHT SPEAKER SURROUND LEFT SPEAKER FRONT RIGHT SPEAKER CN507 FRONT LEFT SPEAKER SPEAKER JK501 WOOFER CN506 SOLDER SIDE POWER P.C.B.
  • Page 25 SB-WA535EE 13 Illustration of ICs, Transistors and Diodes B1GCCFJJ0015 RSN311W64D-P 2SD0592ARA B1GCCFJJ0016 B1BACG000048 B1GACFJJ0016 B1BCCG000023 B1AACF000089 B1GACFJJ0018 B1AACF000117 B0BA5R600016 B0BA01900005 B0JAPG000019 B1ACCF000094 B0BA01100004 B0EAKM000117 B0HARM000026 Cathode Anode B0AACK000004 B0EAKM000122 MA2C700A0F B0BA5R100013 B0BA6R600008 Cathode Cathode Cathode Anode Anode Anode...

  • Page 26: Parts Location And Replacement Parts List

    SB-WA535EE 14 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 27 SB-WA535EE 14.1. Cabinet 14.1.1. Cabinet Parts Location...
  • Page 28 SB-WA535EE...
  • Page 29 SB-WA535EE 14.1.2. 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 RKAX0019-KJ LEG CUSHION RYQX0167A-S FRONT PANEL UNIT RMQX0106 EVA PACKING (WOOFER)

  • Page 30: Electrical Parts List

    SB-WA535EE 14.2. Electrical Parts List Ref. Part No. Part Name & Description Remarks CN506 K1KA04AA0186 4P CONNECTOR Ref. Part No. Part Name & Description Remarks CN507 K1KA02AA0186 2P CONNECTOR PRINTED CIRCUIT BOARD CP502 K1KA07AA0297 7P CONNECTOR REPX0473A POWER P.C.B./ AC INLET [M] RTL COILS &...
  • Page 31 SB-WA535EE Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R507 ERDS2TJ392T 3.9K 1/4W R624 ERDS2TJ100T 10 1/4W R508 ERDS2TJ392T 3.9K 1/4W R625 ERDS2TJ100T 10 1/4W R509 ERDS2TJ472T 4.7K 1/4W R510 ERDS2TJ472T 4.7K 1/4W...
  • Page 32 SB-WA535EE 14.3. Packing Materials & Accessories Parts List Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks PACKING MATERIALS RPNX0295 POLYFOAM RPFX0071 MIRAMAT BAG 14.4. Packaging FLE0507/P/A/S/E/N/J...

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