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DR- R504X
Out of
adjustment
Optimum adjustment
Out of adjustment
Out of
Optimum
Out of
(
adjustment
adjustment
adjustment
Fig.
7
Eye pattern
7. Grating Re-Adjustment
(Adjustment 1 )
Adjust in
the
same
manner
as
"4.
Grating Adjustment" in
(Adjustment
1).
5.3.2 Adjustment 2
1. VCO Free-run Frequency Adjustment
(Adjustment 2)
•Objective
To optimize the VCO free-ru
n
freq
uency.
(
•Symptom when out of
No
play.
adjustment
•Measurement
instru-
Connect
the frequency
counter
• Player state
Stop
ment connections
and
TP202
(CN609), pin 3
(just the
power switch ON)
(EPLCK)
•Adjustment location
L603
(VCO. ADJ)
[Settings]
•Disc
None
needed
[Procedure]
I
.
Adjust
L603 so that the VCO
oscillation
frequency
at
TP202
(CN609),
pin
3 (EPLCK) is 4.322MHz
±
0.00.
l
MHz.
~
36
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