Digital Video Processor Subboard

Gain DAC.

1. Adjust bar output amplitude.

PAL

Measure at: X51-21

Measure at: X51-11

Measure at: X51-22

NTSC

Adjust with: ZR271 (R)

Adjust with: ZR471 (G)

Adjust with: R671 (B)

Required result: +1400mV (R)

Required result: +1400mV (G)

Required result: +1400mV (B)

Correct:

0.2V10µS

100

90

1400 mV

10

0%

VA+1.40V

Correct:

0.2V10µS

100

90

1400 mV

10

0%

VA+1.40V

Correct:

0.2V10µS

100

90

1400 mV

10

0%

VA+1.40V

Measure at: X51-21

Adjust with: ZR271 (R)

Required result:

+1050mV (R)

Correct:

0.2V10µS

100

90

1050 mV

10

0%

VA+1.05V

Measure at:

Adjust with:

X51-11

ZR471 (G)

Measure at:

Adjust with:

X51-22

R671 (B)

Required result:

+1050mV (G)

Required result: +1050mV (B)

Correct:

0.2V10µS

100

90

1050 mV

10

0%

VA+1.05V

Correct:

0.2V10µS

100

90

1050 mV

10

0%

VA+1.05V

Adjustments

Technical Manual LDK 20(S) - Studio Camera

4-13

Page 39
Image 39
Technicolor - Thomson LDK 20(S) technical manual Gain DAC, Ntsc