Sanyo VHR-310 Service Manual page 11

VI-14285(N) 4/4
2-2-7.
DEVIATION ADJ.
'- I MeasuringPoint lMeasuringEquiprnent\ ADJ.Ccmdtiion I
VRI04 (DEV)
1 Vp-p * o.05vp-p
1. Record the color bar signal on the blank tape.
2. Play back of the just-recorded portion.
3. Adjust VR104 (DEV) for
1 Vp-p * 0.05 Vp-p
as
shown in
Fig. 2.2.10.
4. If the adjustment value is not satisfactory, adjust VRI04
(DEV) and repeat steps 2 to 3.
WPV-DEV
bite
1 Vp-p
L,H--d
Fig. 2.2.10
2-2-8. Y/C REC CURRENT ADJ.
Meesuring Point Measuring Equipment
ADJ, Condition
TP181
Color bar generator REC
mode
(on VP-1 PWB) Oscilloscope Blank tape
(1:1 probe)
ADJ. Location
ADJ. Value
VR182(REC-Y/C)
For VHR-3101R/EE/PS:
650 mVp-p k 25 mVp-p
For VHR-310:
550 mVp-p k 25 mVp-p
1. Connect the ground of the oscilloscope to the shield case
of the VP-1 PWB Ass'y.
2. Adjust VR182 (REC-Y) so that the video luminance
signal level at the sync tip is Model VHR-31O lR/EE/PS:
650 mVp-p t 25 mVp-p, Model VHR-310: 550 mVp-p ~
25 mVp-p. (Referto Fig. 2.2.11)
WV-YREC
— ——
I
VHR-310 lRIEE/PS:
650 *25 mVp-p
VHR-310:
550 k 25 mVp-p
I
1~111111
Sync Tip
Fig. 2.2.11
'i
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