Sony MDP-440 MDP-640D Service Manual page 97

3, GD RF H Level Adjustment (SV-33 Board) 4, CD RF L Level Adjustment (SV-33 Board)
MD adixstment cable
[RF (Cb) OUT]
@in E of CN108}
Measurererit Point
Vode Pasybars Wade Fai 7 77
[Siena Track No, YEDS18 Signal Track So,
ME wdjus
IRF {CD} OUT)
{Pin ® ol CNIGE)
Neasurerent Point
Measuring Oscitoscope Measuring Equipment | Oseilloscape
Adjust RVIO8 Adjusing Eiement RY104 |
( Shecified Value [12201vpp Specitice Value Cearcet_wavetorm
Adjustmant method
1} Play back the track No, 1
2) Adjust with RV108 to 1.270.) ¥pp.
2oomV/11V 08 u sec/22¥
Fig. 7-14
Adjustment method
1) Play dack the track No. 1
2) Adjust vith RV104 so thal thw waveform of lozenge-
shaped portions becomes clear-cut and the waveform
slant cisappear from the rising edge portion,
NG
ani
A
+ Waveform slant at
+ Waveform
portions are nat
clear
ox \ A
soon /o1¥ \ MYNUMAROAAAA
HAMMAN
COON
i
foera amt at
he rising edge,
Wavefort: of
lozengeshaped
porlions are aot
PAR ARARY
wih
' i a
Ohs
(ii tend
direction (O)
wee
Fig. 7-38
=133—