Read Sony CDX-GT272 Service Manual online
CDX-GT272
3
SECTION 1
SERVICE NOTE
EXTENSION CABLE AND SERVICE POSITION
When repairing or servicing this set, connect the jig (extension
cable) as shown below.
When repairing or servicing this set, connect the jig (extension
cable) as shown below.
• Connect the MAIN board (CNP301) and the SERVO board
(CN2) with the extension cable (Part No. J-2502-076-1).
SERVO BOARD
CN2
CN2
MAIN BOARD
CNP301
CNP301
J-2502-076-1
1.
SERVICE NOTE
..................................................... 3
2. GENERAL
Location of Controls ....................................................... 5
Connections
....................................................................
5
3. DISASSEMBLY
3-1. Sub Panel Assy ............................................................... 8
3-2. CD Mechanism Block ..................................................... 8
3-3. Main Board ..................................................................... 9
3-4. Servo
3-2. CD Mechanism Block ..................................................... 8
3-3. Main Board ..................................................................... 9
3-4. Servo
Board
.................................................................... 9
3-5. Chassis (T) Sub Assy ...................................................... 10
3-6. Roller
3-6. Roller
Arm
Assy
.............................................................. 10
3-7. Chassis
(OP)
Assy
........................................................... 11
3-8. Chucking Arm Sub Assy ................................................. 11
3-9. Sled
3-9. Sled
Motor
Assy
.............................................................. 12
3-10. Optical Pick-up Section .................................................. 13
3-11. Optical Pick-up ............................................................... 13
3-11. Optical Pick-up ............................................................... 13
4.
DIAGNOSIS FUNCTION
..................................... 14
TABLE OF CONTENTS
5. DIAGRAMS
5-1. Block Diagram –Main Section– ..................................... 17
5-2. Block Diagram –Display Section– ................................. 18
5-3. Printed Wiring Board –Main Section– ............................ 19
5-4. Schematic Diagram –Main Section (1/4)– ...................... 20
5-5. Schematic Diagram –Main Section (2/4)– ...................... 21
5-6. Schematic Diagram –Main Section (3/4)– ...................... 22
5-7. Schematic Diagram –Main Section (4/4)– ...................... 23
5-8. Printed Wiring Boards –Key Section– ............................ 24
5-9. Schematic Diagram –Key Section– ................................ 25
5-2. Block Diagram –Display Section– ................................. 18
5-3. Printed Wiring Board –Main Section– ............................ 19
5-4. Schematic Diagram –Main Section (1/4)– ...................... 20
5-5. Schematic Diagram –Main Section (2/4)– ...................... 21
5-6. Schematic Diagram –Main Section (3/4)– ...................... 22
5-7. Schematic Diagram –Main Section (4/4)– ...................... 23
5-8. Printed Wiring Boards –Key Section– ............................ 24
5-9. Schematic Diagram –Key Section– ................................ 25
6.
EXPLODED VIEWS
6-1. Main
Section
................................................................... 29
6-2. Front Panel Section ......................................................... 30
6-3. CD Mechanism Section (MG-101TC-188//C) ............... 31
6-3. CD Mechanism Section (MG-101TC-188//C) ............... 31
7.
ELECTRICAL PARTS LIST
.............................. 32
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