Service Note - Sony CDX-GT620U Service Manual

CDX-GT620U/GT627UE/GT670U/GT670US
EXTENSION CABLE AND SERVICE POSITION
When repairing or servicing this set, connect the jig (extension
cable) as shown below.
• Connect the MAIN board (CN350) and the SERVO board
(CN401) with the extension cable (Part No. J-2502-076-1).
MAIN BOARD
CN350
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.
USB (socket) connector
front panel
4
SECTION 1

SERVICE NOTE

NOTE FOR REPLACEMENT OF THE SERVO BOARD
When repairing, the complete SERVO board (A-1362-921-A)
should be replaced since any parts in the SERVO board cannot be
repaired.
J-2502-076-1
NOTE FOR THE 24-PIN CONNECTOR (CN1)
Do not use alcohol to clean the 24-pin connector (CN1) connecting
the front panel with the main body.
Do not touch the connector directly with your bare hand. Poor con-
tact may be caused.
KEY board
SERVO BOARD
CN401