XMM-R5WL, XVM-F65WL - Sony Car Audio Service Manual (repair manual). Page 14

14

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

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

using the   

R

   and   

r

   keys on the remote controller.

Specified value: 1.05 

± 0.15 V

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

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

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

using the   

R

   and   

r

   keys on the remote controller.

Specified value: 1.05 

± 0.15 V

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

Adjustment location: Monitor board

A

0V

B

0V

C

0V

D

0V

E

0V

F

0V