Sony HCD-V818 Service Manual page 2

SELF DIAGNOSIS
This unit is equipped with a self-diagnosis function.
The function is used for diagnosing the conditions of the circuits of the VIDEO board.
The circuits can be determined if normal or abnormal by the lighting of D502 of the VIDEO board.
Lighting of D502
When lit : Operates normally
Blinks repeatedly : The circuit may be faulty.
[VIDEO BOARD] (SIDE A)
D502
SL501 SL502
TEST MODE
SL503
CT503
VIDEO
FREQUENCY
IC505
IC507
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