Service Note - Sony CDX-GT420U Service Manual

Fm/am, fm/mw/lw and fm/mw/sw compact disc player
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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
CDX-GT420U/GT424U/GT427UE/GT470U/GT470US
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.
KEY board
J-2502-076-1
SERVO BOARD
CN401
5

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Cdx-gt424uCdx-gt427ueCdx-gt470uCdx-gt470us

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