Video Adjustment; Brightness Signal Contrast Level (Y Gain); Black Limiter Level Adjustment; White Limiter Level Adjustment - Sony XVM-F65WL Service Manual

XVM-F65WL

5-12. VIDEO ADJUSTMENT

Conditions: TEST MODE (See 11 page)
10-step gray scale signal input
NTSC mode

5-12-1. Brightness Signal Contrast Level (Y GAIN)

Adjustment Method:
1) Select Y Gain from the FOR FACTORY MODE.
2) Connect oscilloscope between TP714 (+) and TP710 (–).
3) Adjust so that the signal level A stands at the specified value
using the R and r keys on the remote controller.
Specified value: 3.8 ± 0.1 V
A
Adjustment location: Monitor board

5-12-2. Black Limiter Level Adjustment

Adjustment Method:
1) Select Black Limit from the FOR FACTORY MODE.
2) Connect oscilloscope between TP714 (+) and TP710 (–).
3) Adjust so that the signal level B stands at the specified value
R r
using the and keys on the remote controller.
Specified value: 1.05 ± 0.15 V
B
Adjustment location: Monitor board

5-12-3. White Limiter Level Adjustment

Adjustment Method:
1) Select White Limit from the FOR FACTORY MODE.
2) Connect oscilloscope between TP714 (+) and TP710 (–).
3) Adjust so that the signal level C stands at the specified value
using the R and r keys on the remote controller.
Specified value: 3.95 ± 0.15 V
Adjustment location: Monitor board
14
0V
0V
C
0V

5-12-4. R Sub Brightness Adjustment

Adjustment Method:
1) Select R SUS BRT from the FOR FACTORY MODE.
2) Connect oscilloscope between TP713 (+) and TP710 (–).
3) Adjust so that the signal level D stands at the specified value
using the R and r keys on the remote controller.
Specified value: 1.05 ± 0.15 V
D
Adjustment location: Monitor board

5-12-5. B Sub Brightness Adjustment

Adjustment Method:
1) Select B SUS BRT from the FOR FACTORY MODE.
2) Connect oscilloscope between TP715 (+) and TP710 (–).
3) Adjust so that the signal level E stands at the specified value
R r
using the and keys on the remote controller.
Specified value: 1.05 ± 0.15 V
E
Adjustment location: Monitor board

5-12-6. R Sub Contrast Adjustment

Adjustment Method:
1) Select R SUB CONT from the FOR FACTORY MODE.
2) Connect oscilloscope between TP713 (+) and TP710 (–).
3) Adjust so that the signal level F stands at the specified value
using the R and r keys on the remote controller.
Specified value: 3.8 ± 0.1 V
F
Adjustment location: Monitor board
0V
0V
0V