Panasonic SB-WA101E Service Manual

Active subwoofer system

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Specification
n SPEAKER SECTION
Type
Speaker
Woofer
Sound pressure level
Frequency range (with amp)
n AMPLIFIER SECTION
Output power
Input sensitivity / Input Impedance
Phase switching
Low pass filter
n GENERAL
Power supply
Power consumption
Dimensions (W x H x D)
Mass
Power consumption in input
standb condition:
Note :
Specifications are subject to change without notice.
Mass and dimensions are approximate.
For SB-TP100E-S only
1 way 1 speaker system
Bass-reflex type
17 cm cone type x 1
81 dB/W (1.0 m)
32 Hz - 300 Hz (at -16 dB)
38 Hz - 240 Hz (at -10 dB)
100 W (6 Ω) (THD 0.9%)
300 mV/33 kΩ (RCA jack)
NORMAL/REVERSE
50 Hz - 200 Hz Variable
AC 230 - 240 V, 50Hz (EB)
AC 230 V, 50Hz (E)
168 W
162 mm x 457 mm x 420 mm
11.3 kg
1 W
Active Subwoofer System
SB-WA101E
SB-WA101EB
Colour
(S)... Silver Type
nSystem : SB-TP100E-S
For SB-TP100EB-S only
nSystem : SB-TP100EB-S
SB-TP100E-S consists of:
SB-FS100E-S (x 4), SB-PC100E-S (x 1) and SB-WA101E-S (x 1)
SB-TP100EB-S consists of:
SB-FS100E-S (x 4), SB-PC100E-S (x 1), SB-WA101EB-S (x 1)
© 2006 Matsushita Electric Industrial Co. Ltd.. All
rights
reserved.
distribution is a violation of law.
ORDER NO. MD0604114C2
Front Speaker : SB-FS100E-S
Surround Speaker : SB-FS100E-S
Center Speaker : SB-PC100E-S
Subwoofer : SB-WA101E-S
Front Speaker : SB-FS100E-S
Surround Speaker : SB-FS100E-S
Center Speaker : SB-PC100E-S
Subwoofer : SB-WA101EB-S
Unauthorized
copying
and

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Summary of Contents for Panasonic SB-WA101E

  • Page 1 Power consumption in input standb condition: SB-TP100E-S consists of: Note : SB-FS100E-S (x 4), SB-PC100E-S (x 1) and SB-WA101E-S (x 1) Specifications are subject to change without notice. Mass and dimensions are approximate. SB-TP100EB-S consists of: SB-FS100E-S (x 4), SB-PC100E-S (x 1), SB-WA101EB-S (x 1) For SB-TP100E-S only ©...
  • Page 2: Table Of Contents

    SB-WA101E / SB-WA101EB CONTENTS Page Page 1 Safety Precautions 6.7. Disassembly of Transformer P.C.B. 1.1. General Guidelines 6.8. Disassembly of Level control P.C.B. 1.2. Caution for AC Cord 7 Connection of the Speaker Wiring 1.3. Before Repair and Adjustment 8 Wiring Connection Diagram 1.4.
  • Page 3: Safety Precautions

    SB-WA101E / SB-WA101EB 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 Cord

    SB-WA101E / SB-WA101EB 1.2. Caution for AC Cord...
  • Page 5: Before Repair And Adjustment

    SB-WA101E / SB-WA101EB 1.3. Before Repair and Adjustment Disconnect AC power, discharge Power Supply Capacitors C701 & C702 through a 10Ω, 1W resistor to ground. DO NOT SHORT-CIRCUIT DIRECTLY (with a screwdriver blade, for instance), as this may destroy solid state devices.
  • Page 6: Prevention Of Electro Static Discharge (Esd) To Electrostatically Sensitive (Es) Devices

    SB-WA101E / SB-WA101EB 2 Prevention of Electro Static Discharge (ESD) to Electrostatically Sensitive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor “chip”...
  • Page 7: Warning

    SB-WA101E / SB-WA101EB 3 Warning 3.1. Service caution based on legal restrictions 3.1.1. General description about Lead Free Solder (PbF) The lead free solder has been used in the mounting process of all electrical components on the printed circuit boards used for this equipment in considering the globally environmental conservation.
  • Page 8: Accessory

    SB-WA101E / SB-WA101EB 4 Accessory AC power cord..1 pc (For E only) AC power cord..1 pc (For EB only) 5 Connection of the Speaker Cables · Be sure to connect speaker cables before connecting the AC power supply cord.
  • Page 9: Assembling And Disassembling

    SB-WA101E / SB-WA101EB 6 Assembling and Disassembling 6.1. Caution “ATTENTION SERVICER” Some chassis components may be 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.
  • Page 10: Disassembly Of Stand Ornament

    SB-WA101E / SB-WA101EB 6.3. Disassembly of Stand ornament Step 3: Remove 2 screws. (see making on rear cabinet) Step 1: Remove 5 screws. Step 2: Remove stand ornament. 6.4. Disassembly of Power amplifier unit Follow (step 1) to (step 2) in item 6.3.
  • Page 11: Disassembly Of Woofer Speaker

    SB-WA101E / SB-WA101EB 6.5. Disassembly of Woofer 6.6. Disassembly of Power P.C.B. speaker Follow (step 1) to (step 2) in item 6.3. Follow (step 1) to (step 2) in item 6.3. Follow (step 1) to (step 5) in item 6.4.
  • Page 12: Disassembly Of Transformer

    SB-WA101E / SB-WA101EB Step 4: Flip over the power P.C.B. and proceed with the Step 6: Flip over the power P.C.B.. checking. Step 7: Desolder the Power IC terminal and replace the component. · Replacement of Power IC 6.7. Disassembly of Transformer P.C.B.
  • Page 13 SB-WA101E / SB-WA101EB Step 5: Connect the level control P.C.B. with power amp unit. Step 1: Pull out the power switch, M9 nuts and volume knobs. Step 2: Pull up the front ornament assembly as arrow shown. Step 3: Remove 1 screw.
  • Page 14: Connection Of The Speaker Wiring

    SB-WA101E / SB-WA101EB 7 Connection of the Speaker Wiring...
  • Page 15: Wiring Connection Diagram

    SB-WA101E / SB-WA101EB 8 Wiring Connection Diagram LEVEL CONTROL P.C.B. 1. . .4 1. . .4 LOW PASS VOLUME CP504 FILTER CN504 SOLDER SIDE LED P.C.B. VR502 VR501 SOLDER SIDE W701 W501/H501 7..1...
  • Page 16 SB-WA101E / SB-WA101EB...
  • Page 17: Block Diagram

    SB-WA101E / SB-WA101EB 9 Block Diagram IC501 C0AABB000130 OP AMP JK501 Q502 Q501 INPUTS S501 VR501 PHASE VOLUME JOG IC504 IC601 D508, C0AABB000130 D510 OP AMP RSN3502E-P 2CH HIC FILTER TO SPEAKER FILTER (CN601) FILTER VR502 IC502 FILTER C0AABB000130 OP AMP...
  • Page 18 SB-WA101E / SB-WA101EB...
  • Page 19: Notes Of Schematic Diagram

    SB-WA101E / SB-WA101EB 10 Notes of Schematic Diagram (All schematic diagrams may be modified at any time with the development of the new technology) Note: S501 : Phase Switch S751 : Power Switch VR501 : Volume Jog VR502 : Encoder ·...
  • Page 20 SB-WA101E / SB-WA101EB...
  • Page 21: Schematic Diagram

    SB-WA101E / SB-WA101EB 11 Schematic Diagram 11.1. Power Circuit, Level Control Circuit, Transformer Circuit and LED Circuit SCHEMATIC DIAGRAM - 1 POWER CIRCUIT LEVEL CONTROL CIRCUIT : +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE R523 CN501...
  • Page 22 C751 50V4200 H503/ W2(BRW) 0.001 W503 D708~711 B0EAMM000038 RLY701 K6B1AEA00003 TRANSFORMER L701 Z701 JK701 250V 1.6A ELF15N035AN ERZV10V511CS CIRCUIT AC IN FC702 FC701 230~240V 50Hz ...EB 230V 50Hz ... E SB-WA101E/EB POWER / LEVEL CONTROL / LED / TRANSFORMER CIRCUIT...
  • Page 23: Printed Circuit Board

    SB-WA101E / SB-WA101EB 12 Printed Circuit Board 12.1. Power P.C.B., Level Control P.C.B., Transformer P.C.B. and LED P.C.B. TRANSFORMER P.C.B POWER P.C.B (REP4068D...E) (REP4068D...E) (REP4068C...EB) (REP4068C...EB) 250V T1.6A (BLU) (BRW) J502 C552 CP701 JK701 R711 FC701 FC702 (BRW) R710 T702...
  • Page 24 SB-WA101E / SB-WA101EB...
  • Page 25: Illustration Of Ic's, Transistors And Diodes

    SB-WA101E / SB-WA101EB 13 Illustration of IC's, Transistors and Diodes C0AABB000130 RSN3502E-P 2SB0621AHA KTC3199GRTA 2SC3940ARA 2SD0592ARA B1ACCF000089 B0EAMM000038 KRC102MTA MA2C700A0F B3AKA0000006 B0AACK000004 B0EAKM000122 B1GCCFJJ0016 Cathode Anode Cathode Cathode Anode Anode Anode MTZJ16ATA MTZJ13BTA MTZJ18CTA B0BA6R800007 B0BA01100004...
  • Page 26: Exploded View

    SB-WA101E / SB-WA101EB 14 Exploded view 14.1. Cabinet Parts Location...
  • Page 27: Packaging

    SB-WA101E / SB-WA101EB 14.2. Packaging 14.2.1. SB-WA101E/EB-S...
  • Page 28: Replacement Parts List

    SB-WA101E / SB-WA101EB 15 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-retardent (resistors), high-quality sound (capacitors), low noise (resistors), etc are used.
  • Page 29 SB-WA101E / SB-WA101EB Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks D504 B0AACK000004 DIODE D505 B0BA7R900004 DIODE FUSE HOLDERS D507 B0AACK000004 DIODE D508 B0AACK000004 DIODE FC701 EYF52BCY FUSE CLIP D509 B0AACK000004 DIODE...
  • Page 30 SB-WA101E / SB-WA101EB Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R531 D0AE102JA048 1K 1/4W C512 ECA1CAM331XB 330 16V R532 D0AE334JA048 330K 1/4W C513 ECA1CAK100XB 10 16V R533 D0AE102JA048 1K 1/4W C514...

This manual is also suitable for:

Sb-wa101eb

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