Sony HCD-VZ50MD Service Manual page 37

VIDEO SECTION
FREQUENCY ADJUSTMENT
Connection:
VIDEO board
(27 MHz)
Procedure:
1. Connect the frequency counter to check point of the VIDEO
board.
2. Turned ?/1 button switch on.
3. Press the FUNCTION button to select the CD.
4. Adjust CT503 on the VIDEO board so that the frequency counter
reading 27.0 MHz ± 80 Hz at stop status.
Adjustment Location:
[VIDEO BOARD] (SIDE A)
J302
J301
CN501
SL503
SL502
SL501
CHECK LED
CN502
frequency counter
IC507
(GND)
CT503
(27MHz)
VIDEO
Frequency
Adjustment
CN503
37