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4-5
Confidential
DMP-1000P (AEP)
[D/A Output CHROMA Level Adjustment] (DK-39E board)
Adjustment Procedure:
(1)
Adjust RV402 so that the
A
level (Red) of waveform on the
oscilloscope satisfies the specification value.
(2)
Turn off the power switch.
Fig. 4-8
[A/D Input Y Level Adjustment] (DK-39E board)
Note:
Turn off the power switch once, then turn it on again.
Adjustment Procedure:
(1)
Connect on oscilloscope to the CL409 (from IC407
yf
pin
to the point via R478).
(2)
Adjust RV404 so that the
A
level (white) of waveform on
the oscilloscope satisfies the specification value.
Fig. 4-9
Mode
VIDEO Input
Signal
Color bar (S-VIDEO IN)
Measuring point
CL409
Measuring equipment
Oscilloscope
Adjustment part
RV404
Specification value
1.30 ± 0.01 Vp-p
[A/D Input R-Y/B-Y Level Adjustment]
(VI-39, DK-39E board)
Adjustment Procedure:
(1)
Connect on oscilloscope to the CL408.
(2)
Adjust RV106 so that the
A
level (B-Y) of waveform on the
oscilloscope satisfies the specification value.
Fig. 4-10
(3)
Connect on oscilloscope to the CL407.
(4)
Adjust RV405 so that the
A
level (R-Y) of waveform on the
oscilloscope satisfies the specification value.
Fig. 4-11
Mode
VIDEO Input
Signal
Color bar (S-VIDEO IN)
Measuring point
CL407, 408
Measuring equipment
Oscilloscope
Adjustment parts
RV106, 405
Specification value
CL407 (R-Y) 1.05 ± 0.01 Vp-p
CL408 (B-Y) 1.20 ± 0.01 Vp-p
Blue
Yellow
A
Red
Yellow
A
Mode
VIDEO Input
Signal
Color bar (VIDEO IN)
Measuring point
J1802 (OUTPUT)
Measuring equipment
Oscilloscope
Adjustment part
RV402
Specification value
681 ± 5 mVp-p
A
H
White (100%)
Red
White (100%)
A
H