Sony CDP-0231 Service Manual page 7

1. Connect frequency counter to test point (PCK)
— conductor side —
with lead wire.
frequency counter
Main board q y
ma—- £|C)
TP (PCK) O~t—-—;O+
2. Turn Power switch on.
3. Confirm that reading on frequency counter is
4, 3218MHz.
Focus/Tracking Gain
This gain has a margin, so even if it is slightly off.
There is no problem.
Therefore, do not perform, this adjustment.
Please note that it should be fixed to mechanical cen-
ter position when you moved and do not know
original position.
(Main board)
— component side —