Yamaha cdx 810

Page 1

COMPACT DISC PLAYER

CDX-810/ U

SERVICE MANUAL

YAMAHA MW sum swam use PLAYER Wan w

m _BE.§;.BB

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cm? Yum
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mm IEIIIIIIlIflIfl EH W
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Mi-3" _IéI["lIil

"u" = = h w!

IMPORTANT NOTICE

This manual has been provided for the use of authorized Yamaha Retailers and their service personnel.
It has been assumed that basic service procedures inherant to the industry, and more specifically Yamaha
Products, are already knpwn and understood by the users, and have therefore not been restatcdt

WARNING: Failure to follow appropriate service and safety procedures when servicing this product
may result in personal iniury, destruction of expensive components and failure of the
product to perform as specified. For these reasons, we advise all Yamaha product owners
that all service required should be performed by an authorized Yamaha Retailer or the
appointed service representative.

IMPORTANT: The presentation or sale of this manual to any individual or firm does not constitute
authorization, certification or recognition of any applicable technical capabilities, or
establish a principle-agent relationship of any form.

The data provided is believed to be accurate and applicable to the unit) indicated on the cover. The
research, engineering, and service departments of Yamaha are continually striving to improve Yamaha
products. Modifications are, therefore, inevitable and specifications are subject to change without notice or
obligation to retrofit Should any discrepancy appear to exist, piease contact the distributors Service
Division.

l
I m DIBWAL
. WARNING: Static discharges can destroy expensive components. Discharge any static electricity your

body may have accumulated by grounding yourself It) the ground buss in the unit (heavy

I rm
Iafifih gauge black Wires connect to this buss).

\ / IMPORTANT: Turn the unit OFF during disassembly and parts replacement. Recheck all work before

you apply power to the unit.

I CONTENTS

T0 SERVICE PERSONNEL . . ADJUSTMENTS . . , . 9 N 19
INTERLOCK OPERATION . . IC DATA ..... . . . 19 ~26
FRONT PANELS ......... DISPLAY DATA . . . . . . . . . . 27
REAR PANELS ....... . . . . PRINTED CIRCUIT BOARD . . . . . . . . . . . . 28 33
SPECIFICATIONS . . . . . . . . . SCHEMATIC DIAGRAM ....... . . . . . . . . . 34/35
INTERNAL VIEW .......... . ......... 5 WIRING .................. 36
BLOCKDIAGRAM.......... ...... .....6 PARTSLIST.. ...... . ......... .....37~48

DISASSEMBLY PROCEDURES . . . . . . . . . . . . . 7/8

YAMAHA

I 00 I 7 I VgMAI-iA CORPORATION

OBoxl Hamamarsu Japan
3.2k-793 pa :2 Printed in Japan. 88.4

Page 2

CDX-STO/U

I TO SERVICE PERSONNEL

l. C'IIICBI Components lnlormatron.
Components having special characteristics are marked
and must be replaced wrth parts haying SpeClIlCaTlOnS equal

to those originally installedt EQUIPMENT AC LEAKAGE TESTER
2. Leakage Current Measurement (For 120V Model Onle. UNDER TEST 0R EQUIVALENT
When service has been completed, it IS imperative that you
verify that all exposed conductive surfaces are properly, :D ___
insulated from supply curcurtsr ®
I Meter impedance should be equivalent to 1500 ohm shunted WALL C: l
V '5 OUTLET INSULATING TABLE 7

- Leakage current must not exceed 0,5mA,

- Be sure to test lor leakage with the AC plug in both polarities

o POLARIZATION (U. C modeIsI
This CD player product is equipped with a polarized alter-
nating-current line plug (a plug having one blade wider than
the otherlt This plug will fit into the power outlet only one
way. This is a safety feature.

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 REPAIFIED BY ANVONE EXCEPT
PROPERLYOUALIFIEDSERVICEPERSONNEL.

UANGER-Invisrhle laser radiation when open
and Interlock Iailed or deleated.

AVOIO DIRECT EXPOSURE TO BEAM. lunaaxm

CAUTION unznnuous IRS" mu
HIETITDMENUIE Haw-um Mu
um aria llIlIIOEI ammo

ATTENTION Mmthtm um
{I (IECIROMAENEIIOUI nmtfltm SI
uuvmt Mr. I min-rum»! or
Sltuwt mum: mm

BOTTOM SIDE

U model

THIS PRODUCT COMPLIES WITH UNITS RULES 21 CFR
SUBCHAPTER J APPLICABLE AT DATE OF MANUFAIZTURE.

MANUFACTURED BY
YAMAHA CORPORATION
104 NAKAZAWAVCHO
HAMAMATSUSHIV
SHIZUOKA~KEN. JAPAN

MANUFACTURED: