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Digital Video Processor
Gain Video
1. Place Digital Video Processor on service extender.
2. Switch off colour bar and Test sawtooth on.
3. Adjust white output amplitude.
Measure at:
Adjust with:
X51-21 (R)
ZR232 (R)
X51-11 (G)
ZR432 (G)
X51-22 (B)
ZR632 (B)
White limiter
4. Set gain to +6dB. In setup 1 menu set white clip on.
Set individual white limiter to: Master G = 60, R = 60, B = 60.
5. Adjust output for a video clip level of 102%.
Measure at:
Adjust with:
X51-21 (R)
ZR341 (R)
X51-11 (G)
ZR541 (G)
X51-22 (B)
ZR741 (B)
Output amplitude readjustment
6. Set gain to 0dB. In setup 1 menu set white clip off.
7. Readjust white output amplitude.
Measure at:
Adjust with:
X51-21 (R)
ZR232 (R)
X51-11 (G)
ZR432 (G)
X51-22 (B)
ZR632 (B)
VF-Mon output
8. Test sawtooth on.
9. Adjust Y-output amplitude.
10. Adjust output dc level
Measure at:
Adjust with:
X52-24
ZR841
ZR830
11. Return Digital Video Processor to its position in the camera.
Adjustments
Required result:
Correct:
+1400mV (R)
100
+1400mV (G)
90
+1400mV (B)
10
0%
Required result:
Correct:
+1428mV (R)
100
+1428mV (G)
90
+1428mV (B)
10
0%
Required result:
Correct:
+1400mV (R)
100
+1400mV (G)
90
+1400mV (B)
10
0%
Required result:
Correct:
+1400mV
100
90
0mVdc
10
0%
Technical Manual LDK 20(S) - Studio Camera
0.5V
10µS
VA+1.40V
0.5V
10µS
VA+1.43V
0.5V
10µS
VA+1.40V
0.2V
10µS
VA+1400mV
4-15
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