Sony HCD-VX880AV - Page 19

19
VIDEO SECTION
Frequency adjustment
1. Connect the frequency counter to check point (27MHz) of the
VIDEO board.
2. Adjust CT503 of the VIDEO board so that the frequency counter
read 27MHz ± 80Hz at STOP condition.
Adjustment Location :
[VIDEO BOARD] (SIDE B)
frequency counter
VIDEO board
(27 MHz)
+
–
Adjustment Location :
[BD BOARD] (SIDE B)
TP (VC)
TP (RF)
TP (TE)
TP (FE)
IC102
IC103
IC101
TP (FE)
TP
(AGCCON)
CN501
130
80
SL501
SL502
SL50
3
CN502
51
IC505
31
(GND)
CT503
VIDEO
Frequency
Adjustment
Check point
(27 MHz)
50
100
81
D502