Vertical Amplitude Adjustment (Vf-99 Board); Brightness Adjustments (Vf-99 Board); Horizontal Amplitude, Vertical Amplitude, Focus Check - Sony Handycam CCD-TRV3E Service Manual

1-4-6. Vertical Amplitude Adjustment (VF-99 board)

Mode Playback
Signal Alighment tape :
For checking operations
Monoscope section
Adjusting Element RV903
10 ± 3%
Specified Value
Adjusting method:
1) Adjust RV903 so that the vertical direction over scan becomes
10 ± 3% (Top and bottom totals).
Fig. 5-1-17.
VF-99 BOARD (SIDE A)
(WR5-5NSP (NTSC))
(WR5-5CSP (PAL))
RV903
SOL901
C909

1-4-7. Brightness Adjustments (VF-99 board)

Mode
Signal
Specified Value
Adjusting method:
1) Rotate RV904, and adjust so that the bright/dark sections of the
gray scale are displayed correctly. (The bright section should be
unsatisfactory till the cross hatch appears vague in the monoscope
circle. The dark section should be unsatisfactory till the darkest
section and the second darkest section of the gray scale cannot
be differentiated.)
1-4-8. Horizontal Amplitude, Vertical Amplitude, Focus
Check
"1-4-5. Horizontal Amplitude Adjustment" and "1-4-6. Vertical
Amplitude Adjustment" should both satisfy the specified values. If
not, perform the adjustments from the beginning again. In this case,
perform "1-4-7. Brightness, Contrast Adjustments" again.
Moreover, check the focus, and if it found to be vague, perform "1-
4-3. Focus Adjustment" and "1-4-4. Aberration Adjustment".
RV904
5-25
Playback
Alighment tape :
For checking operations
(WR5-5NSP (NTSC))
(WR5-5CSP (PAL))
Monoscope section
RV904