Atf Pilot Adjustment - Sony DTC-1000ES Service Manual

I
prc-r(poEs
+2-lr. ATF Pilot AdJustment
Adjwtment
1. Conneet CH-l of an oscilloseope to pin 3
(s/H3) of CNT52.
Connect CH-2 of an ccillccope to pin 6
(SWP) Of CNTsl (TRIGGER).
2. Ttrrn on the power switeh, insert alignment
tape TY-?111, and put the set into the SIOP
( t ) moode.
Set the TEST mode to ON.
3. Adjust so
that the luminescent spot is
located on the scale center.
(Never align the spot with the center when
the input is set to cND.)
4. Put the set into the PLAY ( ))
mode and
adjust RV508 (A-CH) and RV50? (B-CH) so
that the signal wavefonm is 600 mV af ter
two or tiree seeonds.
a - c l l
B - C H
DC range
2 0 0 m V / D l V
(Center scale)
A - C H . B - C H
Note: If the signal waveform defleets
vertically, adjust it in the deflection
eenter.
Adjwtmert Point
MD servo board (component side)
RV508----DO
nt
" \
RV507
rI
o88
o
o
o
o
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