Yamaha cdx 2

Page 1

COMPACT DISC PLAYER

CD-X2

SERVICE MANUAL

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This manual has

IMPORTANT NOTICE

been provided for the use of authorized Yamaha Retailers and their service personnel.

It has been assumed that basic scrvice procedures inherant lo the industry, and more specifically Yamaha
Products, are aircxdy known and understood by the users, and have therefore ml been reslalcd.

WARNING:

IMPORTANT:

Fniiure to foilow appropriate scrvlce and safely procedures when servicing lhls produrt
may result in pcrsonal injury, destruction of expensive components and failure of tie
product to perform as specified For these reasons, we advise all Yamaha product owneis
that ali £erylce reqmrcd should be performed by an authorized Yamaha Retailer or iii:
appointed servicc represenulive.

The presenraxion or sale of this manual to any individual or firm does not consume
authorizanon, certification, recognition or any applicable Iechnical capabililies. tr
establish a principleagrzntrelationship of any form.

The data provided is believed ID be accurate and applicable to the unitls) indicated mi the (mer. The
research, engineering, and service departments of Yamaha are continually slriving [0 improve Yamaha
products. Modifications are, therefore, inexilable and changes in specification are suhlcci to change without
notice or obligation to rclrofit. Should any discrepancy appear to exist, piease contaci the distributors

Service Division.

WARNING: Static discharges can destroy expensive components, Discharge any static electricity yocr
body may have accumulated by grounding yourself to the ground buss in the unit (heavy
gauge clack wires connect to this buss).
IMPORTANT: Turn the uni! OFF during disassembly and parts replacement. Rechcck ail work bLfol?
L you apply power to the unit.
I CONTENTS
TC SERVICE PERSONNEL . . . . .. . . . . . . . . . 1/2 PRINTED CIRCUIT BOARD . s . . . .4 ..... 20 V 23
INTERLOCKOPERATION....... ..... 3 WIRING...... 24
SPECIFICATIONS 3 ICBLOCKDIAGRAM ................25~28
REARPANELS......................... 4 BLOCKDIAGRAM 29
INTERNALVIEW 5 SCHEMATICDIAGRAM................30/31
DISASSEMBLYPROCEDURES 5......./6 PARTSLIST.......................32 ~41
ADJUSTMENTS . . . . . .. .............. 7 N 19

5' This service manual is a supplement to 004580 ,

004533

a YAMAHA

NIPPON GAKKI (30.. LTD HAMAMATSUJAFA.
2 62mm ca Printed in Jaon'ss e

Page 2

CD-X2

I TO SERVICE PERSONNEL

1. Critical Components Information.
Components having special characteristics are marked ,
and must be replaced With parts having specifications equal
to those originally installed.

EQUIPMENT AC LEAKAGE TESTER
2. Leakage Current Measurement (For 120V Model Only). UNDER TEST 0R EQUIVALENT
When service has been completed, it is imperative that you
verify that all exposed conductive surfaces are properly /
insulated from supply CI'CUITS H :D
0 Meter impedance should be equivalent to 1500 ohm shunted WALL :3
V 0'15 OUTLET INSULATING TABLE =

I Leakage current must not exceed 0.5mA

0 Be sure to test for leakage With the AC plug in both polarities,

CAUTION - USE OF CONTROLS ADJUSTMENTS, OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE
SPECIFIED HEREIN, MAY RESULT IN HAZARDOUS RADIATION EXPOSURE

THE COMPACT DISC PLAYER SHOULD NOT BE ADJUSTED OR REPAIRED BY ANYONE EXCEPT
PROPERLY QUALIFIED SERVICE PERSONNEL.

U.S.A. model

DANGER4nvisihle laser radiation when open
and interlock failed or deleated.

AVOID DIRECT EXPOSURE TO BEAM. lumm u

Canadian model

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LASER BEAM RADIATION SPOT ?

Laser Beam Radiation

Laser Diode Properties

Material: Ga-Al-As

Wavelength: 760 - 800 nm (25°C)

Laser Output: Continuous Wave max. 5 mW