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V1-14264(N)
4J4
2-2-8. DEVIATION ADJ.
+
Ihbasurinqpoint
lMeasuringEquiprnent
lADJ.Ccmdition
I
VR104 (DEV)
1 Vp-p i 0.05 Vpp
I
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 VR104
(DEV) and repeat steps 2 to 3.
WPV-DEV
White
1 Vp
L,H—l
Fig. 2.2.10
2-2-9. Y/C REC CURRENT
ADJ.
Measuring Point
Measuring Equipment
ADJ. Condition
TP181
Color bar generator
REC(SPknode
(on VP-1 PWB)
Oscilloscope
Blank tape
(1:1 probe)
ADJ. Location
ADJ. Value
VR182 (REC-Y)
ForVHR-330EVNHR-330
ES:
600 mVp-p t 25 mVp-p
For VHR-330:
550 mVp-p t 25 mVp-p
1.
Connect the ground of the oscilloscope to the shield case
of the VP-1 PWB Ass'y.
2.
Adjust
VR182
(R EC-Y) so that the video
luminance
signal
level
at the sync tip is Model VHR-330EV/
VHR-330ES: 600 mVp-p t 25 mVp-p, Model VHR-330
550mVp-p t 25 mVp-p. (Refer to Fig. 2.2.1 1)
W
YREC
f
VHR-330EVI
VHR-330ES:
600 t 25 mVp-p
VHR-330:
550 *25
mVp-p
— —
Sync Tip
Fig. 2.2.11
.-
. .
–11–
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