Sony HCD-VX555 Service Manual page 20

HCD-VX555/VX555J
VIDEO SECTION
Frequency Adjustment
Connection:
VIDEO board
(27 MHz)
Procedure:
1. Connect the frequency counter to check point of the VIDEO
board.
2. Turned power switch on.
3. Press the CD 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)
J301
CN501
CN502
20
frequency counter
IC507
(GND)
CT503
(27MHz)
VIDEO
Frequency
Adjustment
CN503