Panasonic SB-WA1000E Service Manual
Panasonic SB-WA1000E Service Manual

Panasonic SB-WA1000E Service Manual

Active subwoofer system

Advertisement

Quick Links

Specification
n SPEAKER SECTION
Type
Speaker
Woofer (1 & 2)
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
standby condition:
CONTENTS
1 Safety Precautions
1 way 2 speaker system
Bass-reflex type
17 cm cone type x 2
83 dB/W (1.0 m)
28 Hz - 300 Hz (at -16 dB)
32 Hz - 240 Hz (at -10 dB)
100 W (6 Ω) x 2 (THD 0.9%)
300 mV/33 kΩ (RCA jack)
NORMAL/REVERSE
50 Hz - 200 Hz Variable
AC 230 V, 50Hz
150 W
254 mm x 496 mm x 500 mm
Approx. 22 kg
1.5 W
Page
3
Active Subwoofer System
SB-WA1000E
Colour
(S)... Silver Type
Note :
Specifications are subject to change without notice.
nSystem : SB-TP1000E-S
SB-TP1000E-S consists of SB-FS1000E-S (x 1) & SB-WA1000E-S (x
1)
SB-FS1000E-S consists of SB-FC1000LE-S (x 1), SB-FC1000RE-S
(x 1) & SB-HS1000E-S (x 2)
© 2006 Matsushita Electric Industrial Co. Ltd.. All
rights
reserved.
distribution is a violation of law.
ORDER NO. MD0607260CE
Speaker System : SB-FS1000E-S
Active subwoofer : SB-WA1000E-
Active subwoofer : SB-
WA1000GN-S
Page
Unauthorized
copying
and
S

Advertisement

Table of Contents
loading

Summary of Contents for Panasonic SB-WA1000E

  • Page 1 GENERAL Power supply AC 230 V, 50Hz Power consumption 150 W SB-TP1000E-S consists of SB-FS1000E-S (x 1) & SB-WA1000E-S (x Dimensions (W x H x D) 254 mm x 496 mm x 500 mm Mass Approx. 22 kg SB-FS1000E-S consists of SB-FC1000LE-S (x 1), SB-FC1000RE-S Power consumption in input 1.5 W...
  • Page 2: Table Of Contents

    SB-WA1000E 1.1. General Guidelines 6.12. Disassembly and checking of AC inlet P.C.B, Power P.C.B 1.2. Before Repair and Adjustment and Transformer P.C.B 1.3. Protection Circuitry 6.13. Replacement of the Power IC 2 Prevention of Electro Static Discharge (ESD) to 7 Voltage Measurement and Waveform Chart Electrostatically Sensitive (ES) Devices 7.1.
  • Page 3: General Guidelines

    SB-WA1000E 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: Before Repair And Adjustment

    SB-WA1000E 1.2. Before Repair and Adjustment Disconnect AC power, discharge Power Supply Capacitors C508 & C703 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 5: Prevention Of Electro Static Discharge (Esd) To Electrostatically Sensitive (Es) Devices

    SB-WA1000E 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 6: About Lead-Free Solder (Pbf)

    SB-WA1000E 3 About Lead-Free Solder (PbF) 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 7: Accessory

    SB-WA1000E 4 Accessory AC mains lead..1 pc Monaural connection cable (5 m)..1 pc...
  • Page 8: Operating Instructions Procedures

    SB-WA1000E 5 Operating Instructions Procedures 5.1. Subwoofer operation 5.1.1. Connection of the Speaker Cables Connections Connect to a receiver or amplifier (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.
  • Page 9 SB-WA1000E Subwoofer · Connect using the included monaural connection cable (e) to the receiver or amplifier’s subwoofer output terminal. · Connect the AC mains lead (f) to the household AC outlet (g). The included AC mains lead is for use with this unit only.
  • Page 10 This system incorporates a center speaker in each of its front speakers. (a) Using a unique system from Panasonic that reflects the principles of ausitory psychology, the sound seems to come from within the TV screen, letting you enjoy sound and images with a heigtened sense of integration even if you are not seated directly in front of the TV set.
  • Page 11: Assembling And Disassembling

    SB-WA1000E 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 12: Disassembly Of Front Net Frame Unit

    SB-WA1000E 6.3. Disassembly of Front net frame unit Step 2: Detach the (+) red and (-) black wires. Step 1: Detach the front net frame unit as arrow shown. Caution: Do not exert strong force on the bosses at the unit.
  • Page 13: Disassembly Of Rear Net Frame Unit

    SB-WA1000E 6.5. Disassembly of Rear net frame 6.6. Disassembly of Woofer (2) unit Follow (step 1) in item 6.5. Step 1: Remove the rear net frame unit as arrow shown. Step 1 : Remove 4 screws. Step 2: Detach the (+) red and (-) black wires.
  • Page 14: Disassembly And Checking Of Level Control P.c.b And Led P.c.b

    SB-WA1000E 6.7. Disassembly and checking of Level control P.C.B and LED P.C.B Follow (step 1) in item 6.3. Step 3: Remove the control panel unit from the front net frame as arrow shown. Step 1: Detach the connectors CN502B and CN101B.
  • Page 15 SB-WA1000E Step 7: Cover with a soft cloth and pull out the 2 volume knobs as arrow shown. Step 10: Pull out the control panel as arrow shown. Step 8: Use the longnose piler to turn and pull out the 2 nuts as arrow shown.
  • Page 16: Disassembly Of The Stand Base

    SB-WA1000E 6.9. Disassembly of Amp unit Follow (step 1) to (step 2) in item 6.8. Step 13: Reconnect the connectors CN502B and CN101B to check LED P.C.B. and Level control P.C.B. Step 1: Remove 8 screws. 6.8. Disassembly of the Stand base Step 1: Remove 4 screws.
  • Page 17 SB-WA1000E Step 6 : Disconnect the connectors CN601, CN602, CN502A and CN101A. Step 3 : Remove 2 screws. Step 7 : Pull out the entire Amp unit as arrow shown. Step 4 : Slightly pull out the Amp unit as arrow shown.
  • Page 18: Disassembly Of Rear Panel Assembly

    SB-WA1000E 6.10. Disassembly of Rear panel 6.11. Disassembly of Fan unit assembly 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 6.8. Follow (step 1) to (step 2) in item 6.10.
  • Page 19: Disassembly And Checking Of Ac Inlet P.c.b, Power P.c.b And Transformer P.c.b

    SB-WA1000E 6.12. Disassembly and checking of AC inlet P.C.B, Power P.C.B and Transformer P.C.B 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.
  • Page 20: Replacement Of The Power Ic

    SB-WA1000E Step 7: Remove 4 screws. Step 2: Remove 2 screws. Step 8: Reconnect the power P.C.B, transformer P.C.B and AC inlet P.C.B for checking. 6.13. Replacement of the Power IC Follow (step 1) to (step 2) in item 6.8.
  • Page 21: Voltage Measurement And Waveform Chart

    SB-WA1000E 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 22: Waveform Chart

    SB-WA1000E 7.2. Waveform Chart IC101 PIN1 IC101 PIN 2 IC101 PIN 5 IC101 PIN 7 TUNER PLAY TUNER PLAY TUNER PLAY TUNER PLAY 148mVp-p (10usec.div) 142mVp-p (10usec.div) 159mVp-p (10usec.div) 142mVp-p (10usec.div) IC201 PIN 1 IC201 PIN 2 IC201 PIN 5...
  • Page 23: Connection Of The Speaker Wiring

    SB-WA1000E 8 Connection of the Speaker wiring...
  • Page 24: Wiring Connection Diagram

    SB-WA1000E 9 Wiring Connection Diagram LEVEL CONTROL P.C.B LOW PASS PHASE POWER VOLUME FILTER LED P.C.B SOLDER SIDE SOLDER SIDE POWER P.C.B INPUT SPEAKER WOOFER 2 SPEAKER WOOFER 1 SOLDER SIDE AC INLET P.C.B AC IN TRANSFORMER P.C.B SOLDER SIDE...
  • Page 25: Block Diagram

    SB-WA1000E 10 Block Diagram IC101 C0AABB000086 DUAL OP AMP JK101 Q703 Q702,Q704 INPUT SUPPLY CONTROL, REGULATOR SUPPLY SWITCH S501 Q701 Q603 REGULATOR D613 SYNC SWITCH D702 D703, D704, D706, D707 TRANSFORMER T702 D406~D409 T701 Q409 REGULATOR D602,D603, D605,D606 L701 Z702...
  • Page 26 SB-WA1000E...
  • Page 27: Notes Of Schematic Diagram

    SB-WA1000E 11 Notes Of Schematic Diagram (All schematic diagrams may be modified at any time with the development of new technology) Notes: S501 : Phase Switch ( NORMAL REVERSE) S502 : Power Switch ( VR501 : Volume Encoder VR502 : Low Pass Filter ·...
  • Page 28 SB-WA1000E...
  • Page 29: Schematic Diagram

    D610 Q302 B1AACF000117 35V5600 B1AACF000117 0.01 470K D301 R310 C305 C614 D603 D606 SWITCH 63V1000 B0AACK000004 220K 16V10 SWITCH CN604 Q409 C408 R422 0.01 D406-D409 2.2K C409 2SC3940ARA B0EAKM000122 25V330 REGULATOR C410 D405 C407 B0BA01200008 16V47 0.01 SB-WA1000E POWER CIRCUIT...
  • Page 30: Level Control Circuit, Transformer Circuit And Led Circuit

    DIAGRAM - 3 CN502B TRANSFORMER CIRCUIT T701 H604/ G4C8AGH00004 W604 MAIN TRANSFORMER W701 POWER CIRCUIT AC INLET CIRCUIT (CN604) IN (W701/W702) IN SCHEMATIC SCHEMATIC DIAGRAM - 1 DIAGRAM - 3 W702 FC703 FC704 250V 2A SB-WA1000E LEVEL CONTROL, LED, TRANSFORMER CIRCUIT...
  • Page 31: Ac Inlet Circuit

    D704 SUB-TRANSFORMER C706 0.01 D703,D704,D706,D707 B0EAKM000122 D701 B0AACK000004 W701 TRANSFORMER CIRCUIT (W701/W702) IN SCHEMATIC C703 DIAGRAM - 2 W702 ECKWRS102MBC 1000P RLY701 K6B1AEA00003 L701 JK701 Z702 250V 2.5A ELF15N035AN ERZV10V511CS AC IN FC702 FC701 230V 50Hz SB-WA1000E AC INLET CIRCUIT...
  • Page 32 SB-WA1000E...
  • Page 33: Printed Circuit Board

    SB-WA1000E 13 Printed Circuit Board 13.1. Power P.C.B POWER P.C.B (REP4181B) Q409 D407 J112 C410 D409 E601 J110 D408 J106 Q603 Q602 CP603 D406 D612 R628 D613 C304 R309 J209 R306 R305 R312 CN604 J607 Q302 Q301 J102 IC301 C111...
  • Page 34: Level Control P.c.b, Led P.c.b, Transformer P.c.b And Ac Inlet P.c.b

    SB-WA1000E 13.2. Level Control P.C.B, LED P.C.B, Transformer P.C.B and AC Inlet P.C.B LEVEL CONTROL P.C.B (REPV0048A) AC INLET P.C.B (REP4181B) POWER PHASE LOW PASS FILTER VOLUME W702 VR502 VR501 W501 S502 CN502A W701 POWER 250V 2.5A C703 RLY701 FC702...
  • Page 35: Illustration Of Ic's, Transistors And Diodes

    SB-WA1000E 14 Illustration of IC's, Transistors and Diodes C0AABB000086 RSN313H25B-P 2SB0621AHA 2SC3940ARA B1ACCF000089 2SD0592ARA B1GACFJJ0018 B3AKA0000006 MA2C700A0F B0EAKM000122 B0BA01200008 B1AACF000117 B0AACK000004 B0EAMM000038 B0BA01800018 B1GCCFGJ0004 B0BA7R900004 B1GCCFJJ0016 B0BA6R800007 Anode Cathode B0BA01100004 Anode Cathode Cathode Cathode Anode Anode Anode...
  • Page 36: Exploded View

    SB-WA1000E 15 Exploded view 15.1. Cabinet Parts Location...
  • Page 37 SB-WA1000E...
  • Page 38: Packaging

    SB-WA1000E 15.2. Packaging 15.2.1. SB-WA1000E-S...
  • Page 39: Replacement Parts List

    SB-WA1000E 16 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. When replacing any of these components, be sure to use only manufacturer’s specified parts shown in the parts list.
  • Page 40 SB-WA1000E Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks No.0 No.0 Q408 B1AACF000117 TRANSISTOR CN604 K1KA12AA0185 12P CONNECTOR Q409 2SC3940ARA TRANSISTOR Q501 B1GCCFJJ0016 TRANSISTOR CP603 K1KA07AA0297 CONNECTOR Q502 B1GCCFJJ0016 TRANSISTOR Q601 B1GCCFGJ0004 TRANSISTOR COILS &...
  • Page 41 SB-WA1000E Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks No.0 No.0 R102 D0AE222JA048 2.2K 1/4W R614 D0AE474JA048 470K 1/4W R103 D0AE473JA048 47K 1/4W R615 D0AE184JA048 180K 1/4W R104 D0AE683JA048 68K 1/4W R616...
  • Page 42 SB-WA1000E Ref. Part No. Part Name & Description Remarks No.0 C608 F1B1H100A044 10P 50V C609 F1D1H102A012 1000P 50V C610 ECEA2AN2R2SB 2.2 100V C611 ECA1EAM101XB 100 25V C612 F1E1H1030001 0.01 50V C613 ECES1JV103UN 0.01 63V C614 ECES1JV103UN 0.01 63V C615 ECQE2104KF3 0.1 250V...

Table of Contents