CDX-GT660UE, CDX-GT660UP, CDX-GT660UV, CDX-GT662UE, CDX-GT710UV, CDX-GT717UV — Sony Car Audio Service Manual (repair manual). Page 5

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CDX-GT660UE/GT660UP/GT660UV/GT662UE/GT710UV/GT717UV
5
NOTE  FOR  REPLACEMENT  OF  THE  USB  CONNEC-
TOR (CN971)  AND  THE  AUX  JACK (J901)
To replace the USB connector and the AUX jack requires align-
ment.
1.  Insert the USB connector and the AUX jack into the front pan-
el.
2.  Place the KEY board on the front panel and align the terminals 
of the USB connector and the AUX jack with the holes in the 
KEY board.
3.  Solder six terminals of the connector and three terminals of the 
jack.
SERVO board
(CN401)
MAIN board
(CN700)
extension cable (CD mecha)
KEY board
front panel
USB (socket) connector
AUX jack
TEST  DISCS
Use following TEST DISC when this set confi rms the operation 
and checks it.
Part No.
   
Description
3-702-101-01 
DISC (YEDS-18), TEST (for CD)
4-225-203-01 
DISC (PATD-012), TEST (for CD)
NOTE  FOR  REPLACEMENT  OF  THE  SERVO  BOARD
When repairing, the complete SERVO board should be replaced 
since any parts in the SERVO board cannot be repaired.
NOTE  FOR  REPLACEMENT  OF  THE  SENSOR  BOARD
When the SENSOR board is defective, exchange the MECHANI-
CAL BLOCK (Z) ASSY 08 (Former type) or MECHANICAL 
BLOCK (11CA) ASSY (New type).
Note: As for the mechanism deck (MG-101CA-188) carried in this 
unit, component parts have been changed from the midway 
of production. When you perform repair exchange of the 
mechanism deck (MG-101CA-188), refer to “ABOUT THE 
MG-101CA-188 OF FORMER AND NEW” on page 6.
CLEANING  THE  CONNECTORS
The unit may not function properly if the 
connectors between the unit and the front 
panel are not clean. In order to prevent this, 
detach the front panel and clean the 
connectors with a cotton swab. Do not apply 
too much force. Otherwise, the connectors 
may be damaged.
Notes
t For safety, turn off the ignition before cleaning 
the connectors, and remove the key from the 
ignition switch.
t Never touch the connectors directly with your 
fingers or with any metal device.
EXTENSION  CABLE  AND  SERVICE  POSITION
When repairing or servicing this set, connect the jig cable (extension cable (CD mecha)) as shown below.
• 
Connect the MAIN board (CN700) and the SERVO board (CN401) with the jig cable.
Jig cable:
Part No. 
Description
A-1818-424-A EXTENSION CABLE (CD MECHA)
Ver. 1.1
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