Sony SCD-XB770 - Service Procedures; Display Board Service Position; Trans Board Installation Procedure

4
SCD-XB770
DISPLAY BOARD SERVICE POSITION
In checking the DISPLAY board, prepare jig (extension cable J-8000-024-A : 1.00 mm Pitch, 12 cores, Length 300 mm.)
MAIN board
DISPLAY board
CN801
Connect jig (extension cable J-8000-024-A)
to the DISPLAY board (CN801) and
MAIN board (CN706).
CN706
Note: Follow the assembly procedure in the numerical order given.
INSTALLATION OF THE TRANS BOARD
3 four screws
(PTTWH3
× 6)
2 power transformer
(T902)
4
3
four screws
(PTTWH3
× 6)
1 power transformer
(T901)
5 Solder seventeen portions.
Note : Solder the TRANS board after installing power transformers (T901, T902)
to the chassis.
(To prevent the TRANS board from being cracked.)