Read Sony CDX-GT270MP / CDX-GT274MP / CDX-GT277ME / CDX-GT320MP Service Manual online
CDX-GT270MP/GT274MP/GT277ME/GT320MP
2
NOTES ON CHIP COMPONENT REPLACEMENT
•
•
Never reuse a disconnected chip component.
•
Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
aged by heat.
FLEXIBLE CIRCUIT BOARD REPAIRING
•
•
Keep the temperature of soldering iron around 270 °C during
repairing.
repairing.
•
Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
circuit board (within 3 times).
•
Be careful not to apply force on the conductor when soldering
or unsoldering.
or unsoldering.
SAFETY-RELATED COMPONENT WARNING!
COMPONENTS IDENTIFIED BY MARK
0 OR DOTTED LINE
WITH MARK
0 ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS
REPLACE THESE COMPONENTS WITH SONY PARTS
WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE
0 SUR
LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES
PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONC-
TIONNEMENT. NE REMPLACER CES COMPOSANTS QUE
PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DON-
NÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS
PUBLIÉS PAR SONY.
PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONC-
TIONNEMENT. NE REMPLACER CES COMPOSANTS QUE
PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DON-
NÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS
PUBLIÉS PAR SONY.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specifi ed herein may result in hazardous radia-
tion exposure.
Use of controls or adjustments or performance of procedures
other than those specifi ed herein may result in hazardous radia-
tion exposure.
US and Canadian models:
CAUTION
The use of optical instruments with this
product will increase eye hazard.
CAUTION
The use of optical instruments with this
product will increase eye hazard.
For the State of California, USA only
Perchlorate Material – special handling
may apply, See
www.dtsc.ca.gov/hazardouswaste/perchlorate
Perchlorate Material: Lithium battery
contains perchlorate
Perchlorate Material – special handling
may apply, See
www.dtsc.ca.gov/hazardouswaste/perchlorate
Perchlorate Material: Lithium battery
contains perchlorate
Windows Media is either a registered
trademark or trademark of Microsoft
Corporation in the United States and/or
other countries.
trademark or trademark of Microsoft
Corporation in the United States and/or
other countries.
This product contains technology subject
to certain intellectual property rights of
Microsoft. Use or distribution of this
technology outside of this product is
prohibited without the appropriate
license(s) from Microsoft.
to certain intellectual property rights of
Microsoft. Use or distribution of this
technology outside of this product is
prohibited without the appropriate
license(s) from Microsoft.
MPEG Layer-3 audio coding technology
and patents licensed from Fraunhofer IIS
and Thomson.
and patents licensed from Fraunhofer IIS
and Thomson.
1.
SERVICING NOTES
.............................................
3
2. GENERAL
..................................................................
6
3. DISASSEMBLY
3-1. Disassembly
Flow
........................................................... 13
3-2. Fuse (Blade Type) (10A/32V) (FU1), Cover .................. 13
3-3. Sub Panel Block .............................................................. 14
3-4. CD Mechanism Deck (MG-101X-188) .......................... 14
3-5. MAIN
3-3. Sub Panel Block .............................................................. 14
3-4. CD Mechanism Deck (MG-101X-188) .......................... 14
3-5. MAIN
Board
................................................................... 15
3-6. SERVO
Board
................................................................. 15
3-7. Chassis (T) Sub Assy ...................................................... 16
3-8. Roller
3-8. Roller
Arm
Assy
.............................................................. 16
3-9. DAXEV08
...................................................................... 17
3-10. Chucking Arm Sub Assy ................................................. 17
3-11. Sled Motor Assy
3-11. Sled Motor Assy
.............................................................. 18
3-12. Optical Pick-up Block ..................................................... 19
3-13. Optical Pick-up ............................................................... 19
3-13. Optical Pick-up ............................................................... 19
4. DIAGRAMS
4-1. Printed
Wiring
Boards
- MAIN Section (Except Saudi Arabia model) - ............. 21
4-2. Schematic Diagram - MAIN Section (1/2) - ................... 22
4-3. Schematic Diagram - MAIN Section (2/2) - ................... 23
4-4. Printed Wiring Board - KEY Board -.............................. 24
4-5. Schematic Diagram - KEY Board - ................................ 25
4-3. Schematic Diagram - MAIN Section (2/2) - ................... 23
4-4. Printed Wiring Board - KEY Board -.............................. 24
4-5. Schematic Diagram - KEY Board - ................................ 25
5.
EXPLODED VIEWS
5-1. Main
Section
................................................................... 30
5-2. Front Panel Section ......................................................... 31
5-3. CD Mechanism Section (MG-101X-188) ....................... 32
5-3. CD Mechanism Section (MG-101X-188) ....................... 32
6.
ELECTRICAL PARTS LIST
.............................. 33
Accessories are given in the last of the electrical parts list.
TABLE OF CONTENTS
Note: Refer to SUPPLEMENT-1 for printed wiring board of the
MAIN board (CDX-GT320MP: Saudi Arabia model).
Ver. 1.1
Click on the first or last page to see other CDX-GT270MP / CDX-GT274MP / CDX-GT277ME / CDX-GT320MP service manuals if exist.