Panasonic sb wa 520 gc service manual

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panasonic sb wa 520 gc service manual

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Page 1

ORDER NO. MDO403115C3

Service Manual

Active Subwoofer System

SB-WA5ZOGC

Spedficafion
n Active subwoofer
Type

Speaker unit(s)
Woofer
Output sound pressure

Frequency range

Dimensions (W x H x D)
Mass

II General

Power supply

Power consumption

Power consumption in standby

mode

Note :

1 way, 1 speaker system (Bass
reflex)

Impedance 4 Q

17 cm cone type

so dB/W (1.0 m)

32 Hz-220 HZ (-16 dB)
36 Hz-190 HZ (-10 dB)
209 x 361 x 463 mm
11 kg

AC 110/127/220-230/240 V,
50/60 Hz

220 W
0.9 W

Specifications are subject to change without notice.

Mass and dimensions are approximate.

Colour

(S)... Silver Type

n System :

n System :

n System :

n System :

SB-HT520P-S consists of :

SOHTSZOGC

SOHTSZOGCP

SOHTSZOGCS

SOHTSZOGS

Music Center: SA»HTSZOGC
Satellite speakers: SB-HT520P
Active Subwoofer: SB»WASZOGC

Music Center: SA-HT520GCP
Satellite speakers: SB-HT520P
Active Subwoofer: SB»WASZOGC

Music Center: SA-HT5ZOGCS
Satellite speakers: SB-HT520P
Active Subwoofer: SB»WASZOGC

Music Center: SA»HT5ZOGS
Satellite speakers: SB-HT520P
Active Subwoofer: SB»WASZOGC

SB-FS520P-S x 4 and SB-PCSZOP-S x 1

A WARNING

This service information is designed for experienced repair technicians only and is not designed for use by the general public.

It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced prolessional technicians, Any attempt to service
or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.

CONTENTS

1 Safety Precautions -----------
1.1. GENERAL GUIDELINES-

2 Before Use -

Page

....................................................... 3

3
4

Panasonic

Page
3 Handling the Lead-free Solder ------------------------------------------------ 4
3.1. About lead free solder (PbF) ------------------------------------------ 4

© 2004 Panasonic AVC Networks Singapore Pte.
Ltd. All rights reserved. Unauthorized copying and
distribution is a violation of law.

Page 2

SB-WASZUGC

4 Before Repair and Adjustment ----------------------------------------------- 4
5 Protection Circuitry ----------------------------------------------------------------- 4
6 Connection of the Speaker Cables --

7 Connection of the Wiring Diagram

8 Disassembly Procedure ----------------
8.1. Disassembly flow chart ................................................... 7
8.2. Disassembly of the Speaker Unit and Checking of the
P.C.B.s. ------------------------------------------------------------------------- 8
9 Block Diagram ...................................................................... 11

1D Schematic Diagram --------------------------------------------------------------- 12
11 Printed Circuit Board ------------------------------------------------------------ 16
12 Wiring Connection Diagram ........................

13 Illustration of IC D , Transistors and Diodes

14 Parts Location and Replacement Parts List--

14.1. Cabinet ------------------------------------------------------------------------ 22
14.2. Electrical Parts List ------------------------------------------------------- 24
14.3. Packing Materials & Accessories Parts List ................... 27

14.4. Packaging -------------------------------------------------------------------- 27