![background image](http://html.mh-extra.com/html/sony/hcd-vx99/hcd-vx99_service-manual_1329756022.webp)
22
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.
[ VIDEO BOARD ]
– SIDE B –
Adjustment Location :
frequency counter
VIDEO board
(27 MHz)
+
–
SL501
IC502
SL502
SL503
TEST
MODE
CT503
VIDEO
FREQUENCY
(27MHz)
(GND)
IC507
IC505
Adjustment Location :
[ BD BOARD ]
— SIDE B —
TP
(VC)
TP
(RF)
TP
(TEO)
TP
(IOP)
TP
(FEO)
TP
(AGND)
TP
(DGND)
TP
(AGCCON)
IC102
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299