Read Sony DCR-TR8000E / DCR-TR8100E / DCR-TRV120 / DCR-TRV120E / DCR-TRV120P / DCR-TRV125E Service Manual online
5-26
1-4-5. Horizontal Amplitude Adjustment (VF-129 board)
Mode
Playback
Signal
Hi8/standard 8 mm alignment tape :
For checking operation
(WR5-8NSE(NTSC))
(WR5-8CSE(PAL))
Monoscope section
For checking operation
(WR5-8NSE(NTSC))
(WR5-8CSE(PAL))
Monoscope section
Adjusting Element
C909 (SOL901)
Specified Value
12 ± 6%
Adjustment method:
1)
1)
Rotate RV903, and adjust the top and bottom side of the
monoscope image to the top and bottom edges of the display.
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 12 ± 6% (Left and right totals).
capacitor (C909) to “short” or “open”, so that the horizontal
direction over scan becomes 12 ± 6% (Left and right totals).
1-4-4. Aberration Adjustment
Mode
VTR stop
Signal
Dot pattern
Specified Value
b1 2
×
a1
b2 0.8
×
a2
Adjustment method:
1)
1)
Adjust the aberration adjustment ring so that the tracing of the
dot satisfies the specified value.
dot satisfies the specified value.
2)
If the centering becomes displaced here, perform the centering
adjustment from the beginning again.
adjustment from the beginning again.
100%
6%
6%
12.5%
12.5%
Fig. 5-1-17
Fig. 5-1-18
SOL901
Open
Short
Size H
Small
Big
a2
a1
b1
b2
RV903
C909
CN902
IC901
F.B.T
W901
RV904
SOL901
VF-129 BOARD
Click on the first or last page to see other DCR-TR8000E / DCR-TR8100E / DCR-TRV120 / DCR-TRV120E / DCR-TRV120P / DCR-TRV125E service manuals if exist.