1 - 7 . F LAN G E BACK ADJ U STM E NT
Equipment required:
Siemens Star
Track Shifting and Mon itoring Jig
Philips H ead Screwdriver
Adjusting Procedure:
I ) Position a Siemens star a t 2.4m i n front o f Lens. and adj ust
its center to coincide with the Mon itor Screen center.
2)
Engage a state where the under-illum ina nce LED in the
viewfinder ( lower right) glows and the Siemens star sppears
on Monitor Screen. and while watching the mon itored
im age. turn Lens for a most clearly displ ayed center wedge
( i.e. to have it just focused).
3)
Fasten F Ring to Lens with two screws
(D
to position the F
Ring pin rightward ( to the due right) as viewed toward the
Lens front ( see Fig. 1 - 1 3).
F Ring Setting Screws
Fig. 1- 13
Within
±2
mm
vertically of
Due Right
1 -8 . I R I S SETT I N G ADJ U STM E N T
Equipment required:
Oscilloscope
VC-4 Board TP68 1
Object:
Color Bar Chart ( i n Sta ndard Pattern Frame)
Adj u sting Procedure:
By turning RV722 on IA- I Board. adjust
the signal level at 1 85±5 mVp-p ( see Fig. 1 - 1 4).
Top Level Black
Enlargement
185 ±5 mV
�
Top Level .White
Fig. 1- 14
1 - 9 .
AGC SETT I N G ADJ U STM E N T
Equipment required:
Oscilloscope
VC-5 Board TPR I O
Object:
Totally Bl ack ( Lens covered with a hlack cap)
Adjusting Procedure:
By turning RV7 2 1 on IA- I Board. adjust
the signal level at 200±5 mVp-p ( see Fig. 1 - 1 5).
Fig. 1 - 15
Median
Black Level
200
±5 mVp-p
Median
White Level
1 -10 .
G P E D ESTAL ADJ U STM E N T ( 1 )
Equipment required:
Oscil loscope
VC-5 Board TP8 1 0
Object:
Totally Black ( Lens covered with a black cap)
Adjusting Procedure:
By turning RV64 1 on SH- \ Board. adjust
the pedestal level at 50±5 mVp-p ( see Fig. 1 - 1 6).
Fig. 1- 16
Median
Black L evel
Median
Pedestal
- 1 7-
