Read Sony WX-GT77UI / WX-GT78UI / WX-GT78UIM Service Manual online
WX-GT77UI/GT78UI/GT78UIM
4
SECTION 1
SERVICE NOTES
EXTENSION CABLE AND SERVICE POSITION
When repairing or servicing this set, connect the jig (extension
cable) as shown below.
When repairing or servicing this set, connect the jig (extension
cable) as shown below.
• Connect the MAIN board (CN201) and the SERVO board
(CN401) with the extension cable (Part No. J-2502-076-1).
NOTE FOR REPLACEMENT OF THE SERVO BOARD
When repairing, the complete SERVO board (Part No. A-1554-
409-A) should be replaced since any parts in the SERVO board
cannot be repaired.
When repairing, the complete SERVO board (Part No. A-1554-
409-A) should be replaced since any parts in the SERVO board
cannot be repaired.
SERVO BOARD
CN401
CN401
J-2502-076-1
MAIN BOARD
CN201
CN201
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