Aberration Adjustment; Horizontal Amplitude Adjustment (Vf-104 Board) - Sony Handycam Vision CCD-TRV300E Service Manual

1-4-4. Aberration Adjustment

Mode VTR stop
Signal Dot pattern
Specified Value b1 2 • a1
b2 0.8 • a2
Adjusting method:
1) Adjust the aberration adjustment ring so that the tracing of the
dot satisfies the specified value.
2) If the centering becomes displaced here, perform the centering
adjustment from the beginning again.
Fig. 5-1-18.
1-4-5. Horizontal Amplitude Adjustment
(VF-104 board)
Mode
Signal
Adjusting Element
Specified Value
Adjusting method:
1) Rotate RV903, and adjust the top and bottom sides of the
monoscope image to the top and bottom edges of the display.
2) Rotate RV904 so that the brightness is the normal level.
3) Solder or unsolder SOL901 pattern of the H size adjustment
capacitor (C909) to "short" or "open", so that the horizontal
direction over scan becomes 14 ± 6% (Left and right totals).
VF-104 BOARD (SIDE A)
RV903
RV904
5-24
Playback
Alighment tape :
For checking operations
(WR5-8CSE)
Monoscope section
C909 (SOL901)
14 ± 6%
SOL901 Size H
Open Small
Short Big
SOL901
Fig. 5-1-19.