Panasonic rx es 20 service manual
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Page 1
Order No: MDOOOiOOSCZ
Service Manual
Portable Stereo CD System
°°"" RX-ESZO
@QQQ Colour
(8) .......... Silver Type
.Europe
EB .Great Britain
EG....Germany and Italy
Tape Deck: SGZ Mechanism Series
Traverse deck: CU100 Mechanism Series
I RADIO No. of channels 2 channel, stereo
Frequency Range Wow and flutter Below measurable limit
AM 522-1629 kHz (9 kHz steps) D/A converter MASH (1 bit DAG)
FM 87.5408 MHZ (50 kHz steps)
Intermediate Frequency I GENERAL
AM 459 kHz Power requirement
FM 10.7 MHZ AC 230240 V, 50 Hz
Sensitivity Power consumption 23 W
AM 35 dB/m/50 mW Battery 12 V (8 R20/LR20 D size, UM-1
FM 17 dB/50 mW hweriasl
Memory backup for 6 V (4 R6/LR6 (AA, UM-a)
I TAPE RECORDER computer/clock batteries)
Track System 4 track, 2 channel. stereo Speakers
Recording system AC bias Full Range 8 cm 2'79 x 2
Erasing system Multi Pole magnet JaCkS output
Monitor system Variable sound monitor Output
Frequency range Phones 3.5 mm stereo (16-829)
Normal position 5044000 Hz Dimensions (W x H x D) 529 x 144 x 276 mm
Weight About 4 kg without batteries
I CD PLAYER
Sampling frequency 44.1 kHz "093:
Decoding 16 bit linear 1.Weights and dimensions shown are approximate.
Beam source Semiconductor laser (wavelength 2. Design and specifications are subject to change without notice.
780 nm)
© 2000 Matsushita Eiectronics(s) Pte. Ltd, All rights
I Q
P n I resenIed, Unauthorized copying and distribution is a
violation of law.
Page 2
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 professional 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
Page
1 Before Repair and Adlustmem .................................................. 3
2 Protection Circuitry ------------------------------
3 Handling Precautions For Traverse Dec
4 Precaution of Laser Dlode ---------------------
5 Use of Caution Labels ................................................................ 4
6 Accessories ................................................................................ 5
7 Caution for Ac Mains Lead:
8 Location 01 Controls
9 The Remote Control -«
10 SB" Diagnostic Function ............................................................ 9
11 Operation Checks and Main Component Replacement
Procedures ------------------------------
12 Measurements and Adiustments --
13 Type Illustration of lC's, Transistors and Diodes
14 Terminal Function 0f Ics ....................................................... 20
15 erlng Connection Diagram ---------------------------------------------------- 22
16 Schematic Diagram
11 Printed Circuit Board
18 Troubleshooting Guide
19 Parts Location and Replacement Parts List --------------------------- 43