Onkyo DX 702 Service Manual

Page 1

Ref. No. 3382

ONKYO® SERVICE MANUAL

COMPACT DISC PLAYER
MODEL DX-702

Black and silver models

BHMD,BHMDN,BHMDC

120V AC, 60Hz

BIIMI,BIIMPF,MP,MIF

230V AC, 50Hz

I3HMw

120/220V AC, 50/6OI-lz

BHMQA

240V AC,50Hz

SAFETY-RELATED COMPONENT WARNING

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 MEA-
SUREMENTS TO DETERMINE THAT EXPOSED PARTS
ARE ACCEPTABLY INSULATED FROM THE SUPPLY
CIRCUIT BEFORE RETURNING THE APPLIANCE TO
THE CUSTOM ER.

ONKYof
LAIflllll BUMPIINENIS

SPECIFICATIONS

Signal readout system:
Reading rotation:

Linear velocity:

Error correction system:
Decoded bits:

Sampling frequency;
Number of channels:
Frequency response:
Total harmonic distortion:
Dynamic range:

Signal to noise ratio:
Channel separation:
Wow and Flutter:
Power consumption:
Output level:
Dimensions (W X H X D):

Weight:

Optical non-contact

About 500~200 r.p.m.

(constant linear velocity)
1.2~1.4m/s

Cross interleave readsolomon code
1 BIT PWM Accu Pulse Quartz System
352.8kHz (8 times oversampling)
2 (Stereo)

5Hz~20kHz

0.004% (at IkHz)

96dB

IOOdB

90dB (at IkHz)

Below threshold of measurability
12 watts

2 volts r.m.st

455><110X305mm
18"x4-3/8x12

4.9kg. 10.8le.

Specifications are subject to change without notice.

Page 5

IX-702

PROTECTION OF EYES FROM LASER BEAM DURING SERVICING

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

WARNING

WHEN SERVICING, DO NOT APPROACH THE LASER
EXIT WITH THE EYE TOO CLOSELY. IN CASE IT IS
NECESSARY TO CONFIRM LASER BEAM EMMISION.
BE SURE TO OBSERVE FROM A DISTANCE OF MORE
THAN 30cm FROM THE SURFACE OF THE OBJECTIVE
LENS ON THE OPTICAL PICK-UP BLOCK,

LASER WARNING LABEL

The label shown below are affixed.

1. Warning Iable
This label is located on the arm of mechanism.

®
DANGER -INVISI8LE LASER RADIATION
WHEN OPEN AND INTERLOCK FAILED on
DEFEATED. AVOID DIRECT EXPOSURE TO BEAM

AUTIUII -HAZARDOUS LASER AND
ELECTROMAGNETIC RADIATION WHEN OPEN
AND INTERLOCK DEFEATED

TIUII -RAY0NNEME§TEUX LASER

ET ELECTROMAGNETIOUE DAN
OUVERE AVEC L ECLENCHEMENT DEU SECURITE

®

ADVARSEL: usvuue LASERSTRAUNG
VED ABNING, NAN SIKKERHEDSAF-
BRYDER ER uoe AF FUNKTIOM
UNOGA UOSETTELSE FOR STRALING.

vane! AVATAESSA OLET
ALTTIINA NAKYMA'ITOMALLE
LASERSATEILVLLE.

ALA KATSO SATESEEN.

@: Danger label

@: Except 120V model
© : Except 120V model
® : Only 230v model

Lam Diode Properties

Material: GaAS/GaAlAs
Wavelength: 780nm
Emission Duration: continuous
Laser output: max. 0.5mW"
This output is the value measured at a distance
about l.8mm from the objective lens surface
on the Optical Pickup Block.

2. Certification label (120V model)
This label is located on the back panel.

PRODUCT IS CERTIFIED BY THE MANUFACTURER TO COMPLY
WITH DHHS WLES 21 CFR SUBGIAPTER J AWE AT THE
DATE OF MANUFACTURE

MANUFACTURED

3. Class I label (Except 120V model)
This label is located on the back panel.

CLASS 1 LASER

PRODUCT"

ADVARSE L

Denna markning er anbragt pa apparatus Mire side 09 Indikerer,
at apparatet arbejder med laserstraler af klasse l, hvilket betyder,
at der anvendes Iaserstréler aI wageste klasse. on at man ikke pl
apparatels yderside kart blive udsat IO! utllladelig kraltig strlling.

APPARATET BOR KUN AGNES AF FAGFOLK MED SIERLIGT
KENDSKAB TIL APPARATEH MED LASERSTRALER!

lndvendigt i apparatet er anbragt den her gengivne advarselsmerk-
ning, sum advarer imod at Ioretage sfidanne indgreb I appalatet, at
man kan komme til at udsaatte slg ior laserstrfilingr

VAROITUSI Laite sisfiltéé Iaserdiodin, joka Iéhetrfifi (n5kyma~
téntfil silmille vaaralllsta Iasersfiteilvét