Read Sony CDX-GT57UP Service Manual online
CDX-GT57UP
4
NOTE FOR REPLACEMENT OF THE USB CONNEC-
TOR (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-
TOR (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.
KEY board.
3. Solder seven terminals of the connector and three terminals of
the jack.
SERVO board
(CN401)
(CN401)
MAIN board
(CN700)
(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.
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.
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 SENSOR board is defective, exchange the MECHANICAL
BLOCK (11CA) ASSY.
When SENSOR board is defective, exchange the MECHANICAL
BLOCK (11CA) ASSY.
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.
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.
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 (exten-
sion cable (CD mecha)) as shown below.
When repairing or servicing this set, connect the jig cable (exten-
sion cable (CD mecha)) as shown below.
• Connect the MAIN board (CN700) and the SERVO board
(CN401) with the jig cable.
Jig cable:
Part No.
Part No.
Description
A-1818-424-A EXTENSION CABLE (CD MECHA)
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