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