Sony CDX-GT40U Service Manual page 4

CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
EXTENSION CABLE AND SERVICE POSITION
When repairing or servicing this set, connect the jig (extension
cable) 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)
MAIN board
(CN700)
NOTE FOR REPLACEMENT OF THE USB CONNECTOR
(CN902) 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 the seven terminals of the connector and three terminals
of the jack.
USB (socket) connector
front panel
4
KEY board
AUX jack
extension cable (CD mecha)
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
For safety, turn off the ignition before cleaning the connectors,
and remove the key from the ignition switch.
Never touch the connectors directly with your fingers or with
any metal device.
SERVO board
(CN401)