Onkyo C 701 A Service Manual

Page 1

C-701 A

Ref. No. 3696

ONKYO® SERVICE MANUAL 2°

Compact Disc Player

MODEL C-701 A

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Silver model

SMPP,SMGT 230-24OV AC, 50Hz
SMDT 120V AC, 60Hz
SMGR 220-230V AC, 50/60HZ

SAFETY-RELATED COM PON ENT
WA R N I N G ! !

COMPONENTS IDENTIFIED BY MARK A ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.

MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.

ONKYO.

IMAGINATIVE SIGHT & SOUND

Page 2

SERVICE PROCEDURES 1

C-701 A

PROTECTION OF EYES FROM LASER BEAM DURING SERVICING

This set employs a laser. Therefore, be sure to follow
carefully the instructions below when servicing.

WARNINGI!

SERVICE WARNING : DO NOT APPROACH THE
LASER EXIT WITH THE EYE TOO CLOSELY.

IN CASE IT IS NECESSARY TO CONFIRM LASER
BEAM EMISSION, BE SURE TO OBSERVE FROM
A DISTANCE OF MORE THAN 30cm FROM THE
SURFACE OF THE OBJECTIVE LENS ON THE
OPTICAL PICKUP BLOCK.

LASER WARNING LABEL

The labels shown below are affixed.

1. Warning label

2. Class 1 label

MPP/MGT

Laser Diode Properties

Material: GaAS/GaAlAs

Wavelength: 780nm

Laser output: max. 0.5mW*

Emission Duration: continuous

*This output is the value measured at a distance about 1.8mm
from the objective lens surface on the Optical Pickup Block.

DANGER:

INVISIBLE LASER RADIATION WHEN OPEN AND
INTERLOCK FAILED OR DEFEATED. AVOID DIRECT
EXPOSURE TO BEAMT

CAUTION:
HAZARDOUS LASER AND ELECTROMAGNETIC
RADIATION WHEN OPEN AND INTERLOCK DEFEATED.

ATTENTION:

RAYONNEMENT LASER ET ELECTROMAGNETIQUE
DANGEREUX SI OUVERT AVEC L'ECLENCHEMENT
DE SECURITE ANNULET

nn )4. a 1;)

1. Replacing the fuse

THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
THAT THE FUSE USED IS SLOW OPERATING TYPE
FOR CONTINUED PROTECTION AGAINST FIRE
HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
RATING REFER TO THE MARKING ADJACENT TO THE SYMBOL

I:IZ CE SYMBOLE LNDIQUE QUE LE FUSIBLE UTLISE EST
E LENT. POUR UNE PROTECTION PERMANENTENUTILISER
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST

INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE

REF. NO. PART NO. DESCRIPTION
F901 252074 2A-SE-EAK

2.Safety check out (Only U.S.A. model)

After correcting the original service problem perform
the following safety check before releasing the set

to the customer.

Connect the insulating-resistance tester between the
plug of power supply cord and terminal GN D on the
back panel.

Specifications: More than 10 M ohm at 500V.