Sony D-66 - Page 7

Reference
CD jig connection:
Remove the solder jumpers at the TE and FE locations and
connect the CD jig,
Focus/Tracking Gain Adjustment
On this set, it is very difficult to simplify this adjust-
ment,
The adjustment procedure is described in the separate CD
jig Instruction
Manual
A frequency responce analyzer or CD jig is necessary
in order to perform this adjustment exactly,
so even if it is slightly
’
However, this gain has a margin
do not perfrom this
%
off, there is no problem, Therefore
adjustment,
up followup
Focus /tracking gain determines the pick
(vertical and horizontal) relative to mechanical noise
and mechanical shock when the 2-axis device operate
.
axis device
the noise when the 2-
’
is high
« When gain
increases,
operates
* When gain is low,
is more susceptible to mechanical
shock and skipping occurs more easily
it
, the adjustment is at the point
However, as these reciprocate
where both are satisfied.
This adjustment
is to be performed with using when
replacing the following parts:
Adjustment Parts Location Diagram
(MAI
up block)
ing gain volume)
- UPF (optical pick-
* RV501 (track
505 (focus gain volume)
* RV
°
N BOARD) —SIDE B-
oe
fae
Ed
Tit?
x
CD jig connection:
CD jig
Fig.3