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21J-FG1RU
No. Adjustment point
3
SUB-
BRIGHTNESS
(to be done
after screen,
white balance
adj)
2
(I
C BUS
CONTROL)
4
SUB-
CONTRAST
(to be done
after screen,
white balance
adj,
sub-bright-
ness adj)
(I
2
C BUS
CONTROL)
5
Beam Current
Check
Adjustment procedure/conditions
1) In Window Pattern Signal condition.
2)
Using Minolta Color Analyzer CA-100, let the
gun point at Dark White position (as attach
drawing), adjust V06 Bus data until LUMI-
NANCE Y = 3 ± 0.5 cd/m2.
1) In Window Pattern Signal condition.
2)
Using Minolta Color Analyzer CA-100, let the
gun point at White position (as attach drawing),
adjust V04 Bus data until LUMINANCE Y = 160
± 10cd/m2
1) Receive the "Monoscope Pattern" signal.
2) Press R/C to set Picture NORMAL condition.
3) Connect the DC miliammeter between TP 603
( + ) & TP 602 ( - ).
(Full Scale: 3mA Range)
4) Beam current must be within 1000 ± 100
µ
A .
3 – 19
Waveform and others
WINDOW PATTERN SIGNAL
Dark White
WINDOW PATTERN SIGNAL
White
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