Sony HCD-V818 Service Manual page 21

QQ
3 7 63 1515 0
VIDEO SECTION
Frequency adjustment
1. Connect the frequency counter to check point 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 A –
D502
SL501
TE
L 13942296513
[ VIDEO BOARD ] – SIDE B –
SL503
TEST
SL502
MODE
SL501
www
.
http://www.xiaoyu163.com
SL502 SL503
TEST MODE
(27MHz)
CT503
VIDEO
FREQUENCY
(GND)
(27MHz)
IC506
(GND)
IC502
x ao
y
i
http://www.xiaoyu163.com
8
VIDEO board
(DCLK)
IC505
Q Q
3 6 7 1 3
IC507
u163
.
– 21 –
2 9 9 4 2 8
frequency counter
+
–
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9