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Adjustments Technical Manual LDK 20(S) - Studio Camera 4-15
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: Required result: Correct:
X51-21 (R) ZR232 (R) +1400mV (R)
0%
10
90
100
0.5V
10µS
VA+1.40V
X51-11 (G) ZR432 (G) +1400mV (G)
X51-22 (B) ZR632 (B) +1400mV (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: Required result: Correct:
X51-21 (R) ZR341 (R) +1428mV (R)
0%
10
90
100
0.5V
10µS
VA+1.43V
X51-11 (G) ZR541 (G) +1428mV (G)
X51-22 (B) ZR741 (B) +1428mV (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: Required result: Correct:
X51-21 (R) ZR232 (R) +1400mV (R)
0%
10
90
100
0.5V
10µS
VA+1.40V
X51-11 (G) ZR432 (G) +1400mV (G)
X51-22 (B) ZR632 (B) +1400mV (B)
VF-Mon output
8. Test sawtooth on.
9. Adjust Y-output amplitude.
10. Adjust output dc level
Measure at: Adjust with: Required result: Correct:
X52-24 ZR841 +1400mV
0%
10
90
100
0.2V
10µS
VA+1400mV
ZR830 0mVdc
11. Return Digital Video Processor to its position in the camera.