Monochrome Electronic Viewfinder System Adjustments; Horizontal Slant Check; Centering Adjustment; Focus Adjustment - Sony CCD-TRV15 Service Manual

1-5. MONOCHROME ELECTRONIC VIEWFINDER
SYSTEM ADJUSTMENTS
(CCD-TRV15/ TRV15PK/ TRV15E/ TRV15EP/ TRV25/
TRV25PK/ TRV35/ TRV35E/ TRV65/ TRV65PK/ TRV85/
TRV215/ TRV615/ TRV815)
Note:
NTSC model: CCD-TRV15/ TRV15PK/ TRV25/
TRV25PK/ TRV35/ TRV65/ TRV65PK/
TRV85/ TRV93/ TRV215/ TRV615/ TRV815
PAL model : CCD-TRV15E/ TRV15EP/ TRV35E

1-5-1. Horizontal Slant Check

Mode Playback
Signal Alighment tape :
For checking operations
Monoscope section
± 1.5 °
Specified Value
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.
VF-99 BOARD (SIDE A)
(WR5-5NSP (NTSC))
(WR5-5CSP (PAL))
RV903
SOL901
C909

1-5-2. Centering Adjustment

Mode
Signal
Specified Value
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 magnetism,
rotate it 360˚ in the horizontal direction, and adjust with
the center section of the modifying position.

1-5-3. Focus Adjustment

Mode
Signal
Adjusting method:
1) Adjust the focus ring to obtain the optimum focus. (Refer to Fig.
5-1-17.)
RV904
5-26
Playback
Alighment tape :
For checking operations
(WR5-5NSP (NTSC))
(WR5-5CSP (PAL))
Monoscope section
± 4%
Fig. 5-1-18.
Playback
Alighment tape :
For checking operations
(WR5-5NSP (NTSC))
(WR5-5CSP (PAL))
Monoscope section