B Sub Contrast Adjustment; Γ 1 Adjustment; Γ 2 Adjustment; Vco Free Run Adjustment - Sony XVM-F65WL Service Manual

5-12-7. B Sub Contrast Adjustment

Adjustment Method:
1) Select B SUB CONT from the FOR FACTORY MODE.
2) Connect oscilloscope between TP715 (+) and TP710 (–).
3) Adjust so that the signal level G stands at the specified value
using the R and r keys on the remote controller.
Specified value: 3.8 ± 0.1 V
G
Adjustment location: Monitor board
5-12-8. γ 1 Adjustment
Adjustment Method:
1) Select Gamma1 from the FOR FACTORY MODE.
2) Connect oscilloscope between TP714 (+) and TP710 (–).
3) Adjust so that the signal level H stands at the specified value
R r
using the and keys on the remote controller.
Specified value: 2.1 ± 0.15 V
H
Adjustment location: Monitor board
5-12-9. γ 2 Adjustment
Adjustment Method:
1) Select Gamma2 from the FOR FACTORY MODE.
2) Connect oscilloscope between TP714 (+) and TP710 (–).
3) Adjust so that the signal level I stands at the specified value
using the R and r keys on the remote controller.
Specified value: 3.6 ± 0.15 V
I
Adjustment location: Monitor board

5-12-10. VCO Free Run Adjustment

Adjustment Method:
1) Select VCO Free Run from the FOR FACTOR MODE.
2) Connect frequency counter between TP508 (+) and TP504 (–).
3) Adjust so that the reading on the counter stands at the specified
value using the
Specified value: 15,734 ± 50 Hz
Adjustment location: Monitor board
5-12-11. V POS Adjustment
Adjustment Method:
1) Input mono scope signal from the NTSC pattern generator.
2) Select PLL/V POS from the FOR FACTORY MODE.
0V
3) Observe the mono scope screen on the monitor and adjust so that
the screen is vertically symmetrical using the
the remote controller.

5-12-12. H POS Adjustment

Adjustment Method:
1) Input mono scope signal from the NTSC pattern generator.
2) Select H POS from the FOR FACTORY MODE.
3) Observe the mono scope screen on the monitor and adjust so that
the screen is horizontally symmetrical using the
on the remote controller.
0V
0V
XVM-F65WL
R and r keys on the remote controller.
R and r keys on
R and r keys
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