Sony cdx 80 service manual

Page 2

CDX

aged

FEATUR S

~A DIN sized mobile CD player.

-Various play modes (shuffle play,
program play, intro play, etc.) are
available.

-Line inputs and outputs to connect to
an optional cassette car stereo or
equalizer.

-Quick recovery from sound skipping.
The player can relocate the point
where the play was interrupted.

Olllumination of the controls and disc
insertion slot for easy operation even
in the dark.

CAUTION

Use of controls or adjustments or performance
of procedures other than those specified herein
may result in hazardous radiation exposure.

SA FETY-RELATED COMPONENT WARNING! I

COMPONENTS IDENTIFIED BY MARK A OR DOTTED
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.

TABLE OF CONTENTS

Section Title Page
Specifications ....................... 1
Features ........................... 2
Servicing Notes ...................... 3
Precautions ......................... 3
Installation and Connections .............. 4
Location and Function of Controls . 6
Playing a Compact Disc ................. 7
Searching for the Desired Selection or

Portion ............................ 8
Playing the Selections in the Desired

Order - Program play .................. 8
Playing the Selections in a Random

Order - Shuffle play ................... 9
Scanning the Selections 7 Intro play ........ 10
Repeating the Selections ................ 10
Fuse Replacement .................... 1 1
1. DISASSEMBLY

1-1. Removal ....................... l2
2. ELECTRICAL ADJUSTMENTS

PLL Free Run Frequency Adjustment ....... 16
Focus Offset Adjustment ........ 17
Tracking Offset Adjustment .............. l7

Tracking Gain Adjusfment (rough adjustment) . . 18

Focus Gain Adjustment (rough adjustment) . . . . 19
3. DIAGRAMS
3-1, Mounting Diagram A Main Board ~

(Former type: US, E model) .......... 21
3~2. Mounting Diagram ................ 24
3-3. Schematic Diagram ................ 29
4. EXPLODED VIEWS AND

PARTS LIST ................... 35
5. ELECTRICAL PARTS LIST ......... 41
Troubleshooting Guide ................. 46

ATTENTION AU COMPOSANT AYANT RAPPORT
A LA SECURITE!

LES COMPOSANTS IDENTIFIES PAR UNE MAROUE A
sun LEs DIAGRAMMES SCHEMATIQUEs ET LA LISTE
DES PIECES SONT CRITIouEs POUR LA sEcURITE
DE FONCTIONNEMENT. NE REMPLACER CES COM-
POSANTS QUE PAR DES PIECES sonv DONT LEs
NUMERos SONT DONNEs DANS CE MANUEL ou
DANS LES SUPPLEMENTS PusuEs PAR SONY.