Read Sony HCD-GRX90AV / HCD-RXD10AV / MHC-GRX90AV Service Manual online
– 3 –
NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK
OR BASE UNIT
OR BASE UNIT
The laser diode in the optical pick-up block may suffer electrostatic
break-down because of the potential difference generated by the
charged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repair parts.
The flexible board is easily damaged and should be handled with
care.
break-down because of the potential difference generated by the
charged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repair parts.
The flexible board is easily damaged and should be handled with
care.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused on
the disc reflective surface by the objective lens in the optical pick-
up block. Therefore, when checking the laser diode emission, ob-
serve from more than 30 cm away from the objective lens.
the disc reflective surface by the objective lens in the optical pick-
up block. Therefore, when checking the laser diode emission, ob-
serve from more than 30 cm away from the objective lens.
LASER DIODE AND FOCUS SEARCH OPERATION
CHECK
CHECK
Carry out the “S curve check” in “CD section adjustment” and check
that the S curve waveform is output four times.
that the S curve waveform is output four times.
4-214-455-0
π GRX90AV: E2, AR
INDONESIA
4-214-455-1
π GRX90AV: EA
INDONESIA
4-214-455-2
π GRX90AV: SP
INDONESIA
4-214-455-5
π GRX90AV: MX
INDONESIA
4-214-455-6
π GRX90AV: AUS
INDONESIA
4-214-455-7
π RXD10AV: AEP, G, UK, CIS INDONESIA
4-214-455-9
π RXD10AV: US
INDONESIA
4-215-171-0
π RXD10AV: CND
INDONESIA
4-215-171-1
π GRX90AV: E3
INDONESIA
4-215-171-2
π GRX90AV: TH
THAI
4-215-171-3
π RXD10AV: AEP
THAI
MODEL IDENTIFICATION
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— BACK PANEL —
• Abbreviation
CND : Canadian model
G
G
: German model
EA
: Saudi Arabia model
MX
: Mexican model
E2
: Without SW tuner E model
E3
: With SW tuner E model
SP
: Singapore model
AUS : Australian model
AR
AR
: Argentine model
TH
: Thai model
Parts No.
PARTS No.
MODEL
PRODUCT
COUNTRY
COUNTRY
SAFETY-RELATED COMPONENT WARNING !!
COMPONENTS IDENTIFIED BY MARK
!
OR DOTTED LINE
WITH MARK
!
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 PUBLISHED BY SONY.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!!
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE
!
SUR
LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES
PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE
FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS
QUE PAR DES PIÈCES SONY DONT LES NUMÉROS
SONT DONNÉS DANS CE MANUEL OU DANS LES
SUPPLÉMENTS PUBLIÉS PAR SONY.
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