CDX-GT610U, CDX-GT660U, CDX-GT660US - Sony Car Audio Service Manual (repair manual). Page 4

4

Location of Controls ........................................................

5

Connections .....................................................................

6

2-1.

Sub Panel Assy ................................................................ 13

2-2.

CD Mechanism Block ..................................................... 13

2-3.

Main Board ...................................................................... 14

2-4.

Servo Board ..................................................................... 14

2-5.

Chassis (T) Sub Assy ....................................................... 15

2-6.

Roller Arm Assy .............................................................. 15

2-7.

Chassis (OP) Assy ........................................................... 16

........................................ 17

4-1.

Block Diagram –Main Section– ...................................... 21

4-2.

Block Diagram –Display Section– .................................. 22

4-3.

Printed Wiring Board –Main Section– ............................ 24

4-4.

Schematic Diagram –Main Section (1/3)– ...................... 25

4-5.

Schematic Diagram –Main Section (2/3)– ...................... 26

4-6.

Schematic Diagram –Main Section (3/3)– ...................... 27

4-7.

Printed Wiring Board –Sub Section– .............................. 28

4-8.

Schematic Diagram –Sub Section– ................................. 29

4-9.

Printed Wiring Board –Key Section– .............................. 30

4-10. Schematic Diagram –Key Section– ................................. 31

5-1.

Main Section .................................................................... 35

5-2.

Front Panel Section ......................................................... 36

5-3.

CD Mechanism Section (MG-101U-188//Q) .................. 37

.................................. 38

NOTE FOR REPLACEMENT OF THE USB CONNECTOR
(J11)
To replace the USB connector requires alignment.
1. Insert the USB connector into the front panel.
2. Place the KEY board on the front panel and align the terminals

of the USB connector with the holes in the KEY board.

3. Solder the four terminals of the connector.

KEY board

front panel

USB (socket) connector

NOTE FOR REPLACEMENT OF THE SERVO BOARD
When repairing, the complete SERVO board (A-1206-357-A) should
be replaced since any parts in the SERVO board cannot be repaired.

NOTE FOR THE 20-PIN CONNECTOR (CN901)
Do not use alcohol to clean the 20-pin connector (CN901) connecting
the front panel with the main body.
Do not touch the connector directly with your bare hand. Poor contact
may be caused.