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1 - 1 5 .
M PX ADJ U STM ENT
Equipment required:
Oscilloscope
C H I ( X): VC-5 Board TP808 ( B-Y)
CH2 ( Y): VC-5 Board TP807
Mode: X-Y
Object:
Total l y Black ( Lens covered with a black cap)
Adjusting Procedure:
By turning RV825 ( M PX) on M X-2
Boa rd. adj ust for a single black spot ( see Fig. 1 -2 1 ).
R-Y
Fig.
1 - 1 6 .
CAR R I E R BALANC E ADJ U STM ENT
Equipment required:
Oscilloscope
VIDEO OUT of Track Shifting a n d
Monitoring Jig
Object:
Color Bar Chart ( i n Standard Pattern Frame)
Adjusting Procedure:
By turning RV886 ( C B 0°) and RV887
B
90')
( C
on E D- 1 1
Board. m i nimize the black a rea
amplitude ( see Fig. 1 -22).
Fig.
Bring these two balck
spots together into one.
\
\
\
\
\
\
\
\
\
1-2 1
Minimize this
amplitude.
l
T
1-22
G1 /G2 GAI N ADJ U STM E N T
1 - 1 7 .
Equipment required:
VC-5 Board
( Go)
C H I
TP8 0 1
( a)
CH2
TP802
( G 1 )
Mod e - ADD. Polarity - INV
Object:
White Pattern ( see Fig. 1 -23)
Adjusting Procedure:
1 )
Set the oscilloscope probe at (a), and by turning
RV8 2 1 on MX-2 Board, adjust for a straightly linear
waveform (see Fig. 1 -2 4 ) .
2 )
Set the oscilloscope probe a t ( b ) , a n d b y turning
RV8 2 3 on MX-2 Board, adjust for a straightly linear
waveform (see Fig. 1 -24 ).
- 1 9-
Oscilloscope
C H I
TPSOI
( b l
CH3
TP803
Fig.
1-23
Fig.
1-24
( Go)
( G2)
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