Sony CDP-791 - RF PLL Free-Run Frequency Check; Focus;Tracking Gain

CD
p
CDP-791/X1
1
1ES
RF
PLL
Free
-run
Frequency
Check
Procedure
:
1.
Connect
frequency
counter
to test
point
(PCK)
with
lead
wire.
Main
board
ffeqUenCy
COUnt
*
r
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.
Adjustment
Locations
:
[BD
board]
—
conductor
side
—
[Main
board]
-
Component
Side
-
-
6
-