Video Processor 1 Board

Test Sawtooth Nominal Settings 15. Sawtooth amplitude

Measure at:

Adjust with:

MP110

ZR111

 

 

Required result:

-1000mV

Correct:

 

0.2V

10µS

100

 

90

 

10

 

0%

 

 

VA+1.00V

16.Sawtooth slope

Set sawtooth amplitude to 100% on oscilloscope, measure between 10% and 90% and adjust slope test.

Measure at:

MP110

Adjust with:

R112

Required result:

25 µS

Correct:

 

0.2V

5µS

100

90%

90

10

10%

 

0%

 

 

t+25.0µS

 

25µS

17.Sawtooth horizontal shift

Set master black level to +10%.

Adjust start sawtooth for 4.5 µS after system blanking.

Measure at:

Adjust with:

Required result:

CVBS out

R108

 

 

 

 

Video output

18. Adjust the video output amplitude

Correct:

 

0.2V

0.2V

5µS

100

 

 

90

 

 

 

 

CVBS

10

 

 

0%

 

 

 

t+4.50µS

 

 

4.5µS

 

Measure at:

X56-14 (R)

X56-8 (G)

X56-20 (B)

Adjust with:

ZR206 (R)

ZR406 (G)

ZR606 (B)

Required result:

450mV (R) 450mV (G) 450mV (B)

Correct:

 

0.1V

10µS

100

 

90

 

10

 

0%

 

 

VA+450mV

Adjustments

Technical Manual LDK 20(S) - Studio Camera

4-9

Page 35
Image 35
Technicolor - Thomson LDK 20(S) technical manual Test Sawtooth Nominal Settings 15. Sawtooth amplitude, Video output