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CDX-GT52UM/GT470UE/GT470UM/GT472UE/GT472UM/GT474UM/GT520U/GT525U
5
NOTE FOR REPLACEMENT OF THE USB CONNEC-
TOR (CN903) AND AUX JACK (J901)
To replace the USB connector and AUX jack requires alignment.
1. Insert the USB connector and AUX jack into the front panel.
2. Place the KEY board on the front panel and align the terminals
TOR (CN903) AND AUX JACK (J901)
To replace the USB connector and AUX jack requires alignment.
1. Insert the USB connector and AUX jack into the front panel.
2. Place the KEY board on the front panel and align the terminals
of the USB connector and AUX jack with the holes in the KEY
board.
board.
3. Solder seven terminals of the connector and three terminals of
the jack.
KEY board
front panel
USB (socket) connector
(CN903)
(CN903)
AUX jack
(J901)
(J901)
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 the SENSOR board is defective, exchange the MECHANI-
CAL BLOCK (11CA) ASSY.
When the SENSOR board is defective, exchange the MECHANI-
CAL BLOCK (11CA) ASSY.
REPLACING THE LITHIUM BATTERY
OF THR REMOTE COMMANDER
(CDX-GT52UM/GT470UM: US, Canadian/
GT472UE/GT520U/GT525U only)
When the battery becomes weak, the range
of the remote commander becomes shorter.
Replace the battery with a new CR2025
lithium battery. Use of any other battery
may present a risk of fire or explosion.
OF THR REMOTE COMMANDER
(CDX-GT52UM/GT470UM: US, Canadian/
GT472UE/GT520U/GT525U only)
When the battery becomes weak, the range
of the remote commander becomes shorter.
Replace the battery with a new CR2025
lithium battery. Use of any other battery
may present a risk of fire or explosion.
Notes on the lithium battery
t Keep the lithium battery out of the reach of
t Keep the lithium battery out of the reach of
children. Should the battery be swallowed,
immediately consult a doctor.
immediately consult a doctor.
t Wipe the battery with a dry cloth to assure a
good contact.
t Be sure to observe the correct polarity when
installing the battery.
t Do not hold the battery with metallic tweezers,
otherwise a short-circuit may occur.
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.
+ side up
WARNING
Battery may explode if mistreated.
Do not recharge, disassemble, or dispose
of in fire.
Battery may explode if mistreated.
Do not recharge, disassemble, or dispose
of in fire.
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.
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