Table of Contents
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Specification
n Active subwoofer
Type
Speaker unit
Woofer
Output sound pressure
Frequency range
Dimensions (W x H x D)
Mass
n General
Power consumption
Power supply
Continental Europe and Russia
The United Kingdom, Australia and
N.Z.
Power consumption in standby
mode
CONTENTS
1.1. GENERAL GUIDELINES
1 way, 1 speaker system (Bass
reflex)
Impedance 4 Ω
20 cm Cone type
84 dB/W (1.0 m)
34 Hz-220 Hz (-16 dB)
38 Hz-190 Hz (-10 dB)
248 x 417 x 476.6 mm
16.4 kg
390V
AC 230V, 50Hz
AC 230V-240V, 50Hz
0.7 W
Page
Active Subwoofer System
SB-WA870EB
SB-WA870EG
Colour
(S)...Silver Type
Notes :
1. Specifications are subject to change without notice.
2. Mass and dimensions are approximate.
SB-HT870P-S consists of :
SB-PF921P-S x 2, SB-PS921P-S x 2 and SB-PC920P-S x 1
n System : SC-HT870 (E)
n System : SC-HT870 (EB)
n System : SC-HT870 (EG)
3
3
2.1. About lead free solder (PbF)
© 2004 Panasonic AVC Networks Singapore Pte.
Ltd. All rights reserved. Unauthorized copying and
distribution is a violation of law.
ORDER NO. MD0403127C2
Music Center: SA-HT870 (E)
Satellite Speakers: SB-HT870 (P)
Active Subwoofer: SB-WA870 (EG)
Music Center: SA-HT870 (EB)
Satellite Speakers: SB-HT870 (P)
Active Subwoofer: SB-WA870 (EB)
Music Center: SA-HT870 (EG)
Satellite Speakers: SB-HT870 (P)
Active Subwoofer: SB-WA870 (EG)
Page
4
4
http://www.Datasheet4U.com
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Related Manuals for Panasonic SB-WA870EB
Summary of Contents for Panasonic SB-WA870EB
- Page 1 Page Page 1 Safety Precautions 2 Handling the Lead-free Solder 1.1. GENERAL GUIDELINES 2.1. About lead free solder (PbF) © 2004 Panasonic AVC Networks Singapore Pte. Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. http://www.Datasheet4U.com...
- Page 2 SB-WA870EB / SB-WA870EG 3 Before Repair and Adjustment 9 Schematic Diagram 4 Protection Circuitry 10 Printed Circuit Board 5 Connection of the Speaker Cables 11 Wiring Connection Diagram 6 Disassembly Procedure 12 Illustration of IC 痴, Transistors and Diodes 6.1. Disassembly flow chart 13 Parts Location and Replacement Parts List 6.2.
- Page 3 SB-WA870EB / SB-WA870EG 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, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed.
- Page 4 SB-WA870EB / SB-WA870EG 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 that standard solder; Typically the melting point is 50 - 70°F (30 - 40°C) higher.
- Page 5 SB-WA870EB / SB-WA870EG 5 Connectio n 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 SB-WA870EB / SB-WA870EG 6 Disassem bly 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.
- Page 7 SB-WA870EB / SB-WA870EG 6.2. Disassembly of the Speaker Unit and Checking of the P.C.B. Step 5: Use the Steel Ruler to slot into the hole of the bottom cabinet of speaker. Step 1: Remove all the screws. Step 2: Remove the stand base.
- Page 8 SB-WA870EB / SB-WA870EG Replace the Net Frame firmly back into the cabinet. Step 7: Use the Screwdriver slightly lift up the Net Frame as arrow shown. Step 8: Take note of the bosses which glued to the unit . · Assembly of Net Frame.
- Page 9 SB-WA870EB / SB-WA870EG Note: Be careful of attach wire at CN606. Step 14: Release the connector CN606 then pull out the entire Power Amp unit. Step 11: Remove the subwoofer by detact the 2 wires. Step 15: Remove all the screws.
- Page 10 SB-WA870EB / SB-WA870EG Step 21: Place the Transformer P.C.B., Amplifier Step 18: Remove all the screws. P.C.B. and the AC Inlet P.C.B. as shown for checking. Step 19: Remove all the screws. Steps 22: Release the AC Inlet P.C.B. as arrow Step 20: Detach the connector CN503 and remove the shown.
- Page 11 SB-WA870EB / SB-WA870EG Step 23: Place the Power P.C.B. and the Speaker Interface P.C.B. as shown for checking.
- Page 12 SB-WA870EB / SB-WA870EG 6.3. Main Component Replacement Procedures 6.3.1. Replac ement of the Power ICs and Transistors Step 1: Desolder the Power IC and Transistor terminals. Step 4: Replacement of the Power IC (IC601) and Transistors (Q601 & Q602). Steps 2 & 3: Remove the screws.
- Page 13 SB-WA870EB / SB-WA870EG Step 8: Replacement of the Power IC (IC501) and Transistors (Q511 & Q512).
- Page 14 SB-WA870EB / SB-WA870EG 7 Connection of the Speaker Wiring...
- Page 15 SB-WA870EB / SB-WA870EG 8 Block Diagram IC501 RSN311W64B-P POWER HIC POWER CONTROL CIRCUIT POWER CONTROL/PROTECTION CIRCUIT 11(12) TO MAIN (25) (19) BLOCK (JK2000) OF D501 SA-HT870EB/EG-S Q506 INTERFACE SWITCH D502 Q505 SWITCHING SL(R) FILTER JK501 SURROUND SPEAKER FILTER JK501 CENTRE...
- Page 16 SB-WA870EB / SB-WA870EG 9 Schematic Diagram (All schematic diagrams may be modified at any time with the quality sound (capacitors), low-noise (resistors), etc. are development of the new technology) used. When replacing any of components, be sure to use only manufacturer´s specified parts shown in the parts list.
- Page 17 SB-WA870EB / SB-WA870EG SCHEMATIC DIAGRAM-1 : MAIN SIGNAL LINE : -B SIGNAL LINE POWER CIRCUIT : +B SIGNAL LINE IC501 C551 0.01 IC501 RSN311W64B-P POWER HIC E501 K4CZ01000027 R501 R513 4.7K R502 C507 18P 4.7K R514 C508 18P R524 120K...
- Page 18 SB-WA870EB / SB-WA870EG SCHEMATIC DIAGRAM-2 : MAIN SIGNAL LINE : -B SIGNAL LINE POWER CIRCUIT : +B SIGNAL LINE R597 C564 R594 1200P Q513,Q514 R592 R403 KTC3199GRTA 100K C565 DC DETECT SWITCH Q514 R593 R599 R591 Q513 6.8K 470K R571...
- Page 19 SB-WA870EB / SB-WA870EG SCHEMATIC DIAGRAM-3 : -B SIGNAL LINE : +B SIGNAL LINE C555 R589 35V4.7 Q516 R578 KRC102MTA SYNC SWITCH CN502 D527~D530 R580 B0EAKM000122 PCONT DGND Q517 POWER CIRCUIT R587 B1BACG000009 2.7K (CP502) ON SYNC D530 D528 VOLTAGE REGULATOR...
- Page 20 SB-WA870EB / SB-WA870EG SCHEMATIC DIAGRAM-4 : MAIN SIGNAL LINE : -B SIGNAL LINE AMPILIFIER CIRCUIT : +B SIGNAL LINE IC601 IC601 RSN312H24-P POWER HIC C612 R619 1000P C607 18P R620 C608 18P C611 1000P C610 0.01 C620 0.1 C621 0.1 C609 0.01...
- Page 21 SB-WA870EB / SB-WA870EG 10 Printed Circuit Board POWER P.C.B (REPX0438A)...EG (REPX0438B)...EB CN501 J570 J607 J581 J528 CP502 R543 E500 R544 TO MAIN UNIT R540 Q556 D508 R539 R583 Q513 R566 R605 J504 R542 R541 J533 R607 R606 R582 Q514 D560...
- Page 22 SB-WA870EB / SB-WA870EG FP1 5A D562 Q552 H503 CN602 C570 /W503 C580 R582 R558 D560 J586 D555 J605 Q553 D557 Q520 R564 J587 R402 CN601 J609 J544 J588 D599 J543 J553 J578 J554 J602 D598 J555 J569 J556 J557 D597...
- Page 23 SB-WA870EB / SB-WA870EG AC INLET P.C.B (REPX0438A)...EG (REPX0438B)...EB R588 D525 R587 (BRW) (BLU) D528 D529 D527 D530 C559 Q519 Q515 J529 R590 R579 D500 C500 RLY501 Z501 J523 T502(SUB POWER TRANSFORMER) R401 J525 L500 JK500 AC IN 230-240V 50HZ...EB 230V 50Hz...EG...
- Page 24 SB-WA870EB / SB-WA870EG TRANSFORMER P.C.B (REPX0438A)...EG (REPX0438B)...EB T501 (POWER CN503 TRANSFORMER) 13 14 CAUTION RISK OF ELECTRIC SHOCK AC VOLTAGE LINE. PLEASE DO NOT TOUCH THIS P.C.B (BRW) (BLU) SECONDARY PRIMARY LED P.C.B (REPX0438A)...EG (REPX0438B)...EB H505A /W505 R577 D524...
- Page 25 SB-WA870EB / SB-WA870EG AMPLIFIER P.C.B. (REPX0435B) H602/W602 H601 8765432 J616 /W601 CN606 R634 J675 J665 D608 D609 H605 D602 /W605 R635 1234 C606 R631 H603A C615 /W603 C621 D601 L601 J678 R629 J696 J627 R624 C618 J644 J686 D604 C616...
- Page 26 SB-WA870EB / SB-WA870EG 11 Wiring Connection Diagram AMPLIFIER P.C.B. SPEAKER WOOFER H602/W602 H601/ 8....1 W601 CN606 1...3 SPEAKER H605 INTERFACE P.C.B. /W605 H603A W603 H603B JK601 SURROUND RIGHT /W603 SPEAKER SURROUND LEFT SPEAKER SOLDER SIDE SOLDER SIDE POWER P.C.B. CN501...
- Page 27 SB-WA870EB / SB-WA870EG 12 Illustration of IC’s, Transistors and Diodes C0AABB000055 B1GCCFJJ0015 RSN311W64B-P RSN312H24-P KTC3199GRTA KRC102MTA B1BACG000009 2SD1859QRTV2 B0FBAM000009 MA2C700A0F B1ACCF000063 B1BCCG000021 2SD0592ARA Cathode Anode B0BA6R600008 B0EAKM000122 B0JAPG000019 SLI325URCT31 B0EAKM000117 B0BA5R100013 B0BA01200008 B0BA5R700008 Cathode B0BA02300017 Cathode B0BA01100004 Cathode Anode B0BA01400009...
- Page 28 SB-WA870EB / SB-WA870EG 13 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-retardent (resistors), high-quality sound (capacitors), low noise (resistors), etc are used.
- Page 29 SB-WA870EB / SB-WA870EG 13.1. Cabinet 13.1.1. Cabinet Parts Location...
- Page 30 SB-WA870EB / SB-WA870EG 13.1.2. Cabinet Parts List Ref. Part No. Part Name & Description Remarks CABINET AND CHASSIS RYQX0142-S FRONT PANEL ASS’Y RGKX0282 TOP ORNAMENT RGLX0098-Q LIGHTING CHIP XTB3+12JFZ SCREW XTB26+8JFZ SCREW RFKHBWA870EG SUB WOOFER ASS’Y RKAX0018-K LEG CUSHION REM0072-3...
- Page 31 SB-WA870EB / SB-WA870EG 13.2. Electrical Parts List Ref. Part No. Part Name & Description Remarks D597 B0FBAM000009 DIODE Ref. Part No. Part Name & Description Remarks D598 B0FBAM000009 DIODE D599 B0FBAM000009 DIODE PRINTED CIRCUIT BOARD D601 B0FBAM000009 DIODE D602 B0FBAM000009...
- Page 32 SB-WA870EB / SB-WA870EG Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks H603B K1YF04000001 CABLE HOLDER R562 ERDS2TJ472T 4.7K 1/4W H605 RJS1A5503 CABLE HOLDER R563 ERDS1FVJ102T 1K 1/2W R564 ERDS2TJ224T 220K 1/4W JACKS...
- Page 33 SB-WA870EB / SB-WA870EG Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C610 ECKR2H103ZF5 0.01 500V C500 ECKWRS102MBC 1000P 400V C611 ECBT1H102KB5 1000P 50V C503 ECBT1H102KB5 1000P 50V C612 ECBT1H102KB5 1000P 50V C504...
- Page 34 SB-WA870EB / SB-WA870EG 13.3. Packing Materials & Accessories Parts List Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks PACKING MATERIALS RPNX0248 POLYFOAM RPFX0087 MIRAMAT BAG 13.4. Packaging FLE0403/P/A/S/E/M...