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Sanyo VHR-420 Service Manual page 11

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.
VI-14829(NI
44
t
2-2-8.Y/C
REC CURRENT ADJ.
0,
d
Measuring
Point
Measuring Equipment
.
TP181
Color bar generator
(on VP-1 PWB)
Oscilloscope
(1:1 probe)
ADJ. Condition
REC mode
Blank tape
ADJ. Location
AW. Value
VR182 (REC-Y/C)
650 mVp-p * 20 mVp-p
1.
Connect the ground of the oscilloscope
to the shield case
of the VP-1 PWB assembly.
2.
Adjust
VR182 (REC-Y/C) so that the video
luminance
signal
level at the sync tip is 650
mVpp t 20 mVp-p.
(Refer to Fig. 2.2.9)
I
WV-YREC
650 mVp-p
I
Sync Tip
I
Fig.2.2.9
–11-

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