Sony d 345 service manual
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Page 1
SERVICE MANUAL
D-345
US Model
Canadian Model
AEP Model
UK Model
E Model
Austral/an Model
System
Compact disc digital audio system
Laser diode properties
Material: GaAIAs
Wavelength: A = 780 nm
Emission duration: Continuous
Laser output: Less than 44.6 uW (measured at
200 mm away from the objedive lens surface)
Error correction
Sony Super Strategy Cross lnterleave Reed
Solomon Code
D-A conversion
1-bit quartz time
20 - 20,000 Hz tIdB (measured by EIAI
CP-307)
Output (at 4.5 V input level)
Headphones (stereo minijack)
15 mW + 15 mW at 16 ohms
Line output (stereo minijack)
Output level 0.7 V rms at 50 kilohms
Recommended load impedance over 10
kilohms
Model Name Using Similar Mechanism NEW
CD Mechanism Type CDM-345
Optical Pick-up Name DAX-01A
SPECIFICATIONS
General
Power requirements
0 Sony BP-DMlO Rechargeable battery:
2.4 V DC, Ni-Cd, 650 mAh
Sony BP-DMZO Rechargeable battery:
2.4 V DC, NiMH, 1,100 mAh
. Two LRé (size AA) batteries: 3 V DC
- AC power adaptor (DC IN 45 v ado:
220 - 130 V, 50 H2 (European and Asian
model)
120 V, 60 Hz (USA, Canadian, Central and
South American model)
110 - 240 V, 50/60 Hz (Middle Eastern
model)
240 V, 50 Hz (UK. and Australian model)
100 - 240 V, 50/60 Hz (Model for other
countries)
- Sony CPM-300P mount plate and GM-
300PK mount arm for use on car battery:
45 V DC
Dimensions (w/h/d) (without projecting parts
and controls)
Approx1133 x 30.5 x 146 mm
(5 I/QX 1 /a><5%in.)
Mass (without rethargeable battery)
Approx. 220 g (7.8 oz)
Operating temperature
5°C - 35°C (41°F - 95°F)
Supplied accessories
AC power adaptor (l)
Connecting cord (Phone plug x 2 H stereo
miniplug) (1)
Stereo headphones (1)
Design and specifications are subject to change
without notice.
COMPACT DISC COMPACT PLAYER
S ON Y;
Page 2
TABLE OF CONTENTS
M011 Eli Lag;
1. SERVICING NOTE . ., .................. 3
2, GENERAL ............................ 4
a, DISASSEMBLY ......................... 7
4. SERVICE MODE ....................... 8
5. ELECTRICAL ADJUSTMENTS ~~~~~~~~~ 9
6. DIAGRAMS
6-1. IC Pin Function Description ~~~~~~~~~~~~~ 12
6-2. Printed Wiring Board ----- 14
6-3, Schematic Diagram ----------------------- 17
7. EXPLODED VIEWS -------------------- 25
8. ELECTRICAL PARTS LIST ------------ 28
Flexlble Clrcult Board Repalrlng
0 Keep the temperature of the soldering iron around
270°C during repairing.
0 Do not touch the soldering iron on the same conductor
of the circuit board (within 3 times).
0 Be careful not to apply force on the conductor when
soldering or unsoldering.
Notes on chlp component replacement
0 Never reuse a disconnected chip component.
0 Notice that the minus side of a tantalum capacitor may
be damaged by heat.
SAFETY-RE LATED COMPONENT WARNINGII
COMPONENTS IDENTIFIED BY MARK A OR DOI'I'ED
LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
A'I'I'EN110N AU COMPOSANT AYANT nAPPonT
A LA sEcunn'Ei
LES composmrs IDENTIFIES PAR uNE MAROUE A
sun LES DIAGRAMMES scHEMATIQUEs ET LA LIer
DEs PIECES SONT CFII110UES POUFI LA sEcURITE
DE FONCTIONNEMENT. NE REMPLACER cEs com.
POSANTS oUE PAR DES PIECES SONY DONT LES
NuMEnos som DONNEs DANS cE MANUEL ou
oANs LEs SUPPLEMENTS PueuEs PAR SONY.
This Compact Disc player is classified as a CLASS 1
LASER product.
The CLASS 1 LASER PRODUCT label is located on
the bottom exterior.
CLASS I LASER PRODUCT
LUOKAN 1 LASERLAITE
KLASS I LASERAPPARAT
CAUTIO N
Use of controls or adiustments or performance
of procedures other than those specified herein
may result in hazardous radiation exposure.