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VI-14212(N) 4/4
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2-2-8. DEVIATION
ADJ.
Pleasuring Point
Measuring Equipment
ADJ. Condition
TPIOI
Color bar generator
Self-recording
Oscilloscope
(SP) mode
Blank tape
ADJ. Location
ADJ. Value
VRI04 (DEV)
1 Vp-p * 0.05 Vp-p
1.
Record the color bar signal on the blank tape.
2.
Play back of the just-recorded portion.
3.
Adjust VRI04 (DEV) for 1 Vp-p t 0.05 Vp-p as shown in
Fig. 2.2.10.
4.
If the adjustment value is not satisfacto~,
adjust VRI04
(DEV) and repeat steps 2 to 3.
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2-2-9. C REC CURRENT
ADJ.
WW-DEV
0'7. White
1 vp-
rll
J---u
u
Fig. 2.2.10
Measuring Point
Measuring Equipment
ADJ. Condition
L.
TP181
Color bar generator
REC (SP) mode
(on VP-1 PWB)
Oscilloscope
Blank tape
(1:1 probe)
ADJ. Location
ADJ. Value
VR181 (REC-C)
150 mVp-p + 5 mVp-p
1.
2.
3.
Connect the ground of the oscilloscope to the shield case
of the VP-1 PWB Ass'y.
Adjust VR182 (REC-V) for the minimum video luminance
signal level.
Adjust VR181 (REC-C) so that the video chrominance
signal level is 150
mVp-p * 5 mVp-p.
(Refer to Fig. 2.2.11)
WVCREC
150 mVp-p
Fig. 2.2.11
2-2-10. Y REC CURRENT ADJ.
Measuring Point
Measuring Equipment
ADJ. Condition
TP181
Color bar generator
Recode
(on VP-1 PWB)
Oscilloscope
Blank tape
(1: 1 probe)
ADJ. Location
ADJ. Value
VR182 (REC-Y)
470 mVp-p * 10 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 470 mVp-pf
10 mVp-p. (Refer to Fig.
2.2.12)
WVYREC
470 mVp-p
Syr!c Tip
Fig. 2.2.12
L
–11–
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