Sony CCD TRV16 Service Manual - Page 107

Monochrome Electronic Viewfinder, System Adjustments

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1-5. MONOCHROME ELECTRONIC VIEWFINDER SYSTEM ADJUSTMENTS Note: CCD-TR315 CCD-TRV16/TRV16PK/TRV36/TRV36PK/TRV43/ TRV46/TRV46PK 1-5-1. Horizontal Slant Check Mode Signal Specified Value Playback Alighment tape : For checking operations (WR5-5NSP) Monoscope section ± 1.5 ° Adjusting method: 1) Adjust RV904 (BRIGHT) (VF-99 board) so that the CRT can be seen easily and clearly. 2) Check that the difference between the horizontal line and the tilt of the black mask satisfies the specified value. 1-5-2. Centering Adjustment Mode Signal Specified Value Playback Alighment tape : For checking operations (WR5-5NSP) Monoscope section ± 4% Adjusting method: 1) Use the centering adjustment ring and adjust so that the left, right, top, and bottom sides of the display are uniform. (Refer to Fig. 5-1-17.) Note : As the centering position changes due to earth magne- tism, rotate it 360˚ in the horizontal direction, and adjust with the center section of the modifying position. Fig. 5-1-16. Fig. 5-1-17. VF-99 BOARD (SIDE A) SOL901 C909 Fig. 5-1-18. 1-5-3. Focus Adjustment Mode Signal Playback Alighment tape : For checking operations (WR5-5NSP) Monoscope section Adjusting method: 1) Adjust the focus ring to obtain the optimum focus. (Refer to Fig. 5-1-17.) RV903 RV904

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Mode
Playback
Signal
Alighment tape :
For checking operations
(WR5-5NSP)
Monoscope section
Specified Value
± 4%
Mode
Playback
Signal
Alighment tape :
For checking operations
(WR5-5NSP)
Monoscope section
Specified Value
± 1.5 °
1-5. MONOCHROME ELECTRONIC VIEWFINDER
SYSTEM ADJUSTMENTS
Note:
CCD-TR315
CCD-TRV16/TRV16PK/TRV36/TRV36PK/TRV43/
TRV46/TRV46PK
1-5-1.
Horizontal Slant Check
Adjusting method:
1)
Adjust RV904 (BRIGHT) (VF-99 board) so that the CRT can be
seen easily and clearly.
2)
Check that the difference between the horizontal line and the tilt
of the black mask satisfies the specified value.
Fig. 5-1-16.
Fig. 5-1-17.
1-5-2.
Centering Adjustment
Adjusting method:
1) Use the centering adjustment ring and adjust so that the left,
right, top, and bottom sides of the display are uniform. (Refer to
Fig. 5-1-17.)
Note :
As the centering position changes due to earth magne-
tism, rotate it 360˚ in the horizontal direction, and adjust
with the center section of the modifying position.
Mode
Playback
Signal
Alighment tape :
For checking operations
(WR5-5NSP)
Monoscope section
Fig. 5-1-18.
1-5-3.
Focus Adjustment
Adjusting method:
1)
Adjust the focus ring to obtain the optimum focus. (Refer to Fig.
5-1-17.)
C909
SOL901
RV903
RV904
VF-99 BOARD (SIDE A)