Sharp 21F-PA18, Руководство по обслуживанию

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21F-PD250 / 21F-PT220 / 21F-PA18 / 21F-PA18(B)
3 – 19
No. Adjustment point Adjustment procedure/conditions Waveform and others
SUB-
BRIGHTNESS
(to be done
after screen,
white balance
adj)
(12C BUS
CONTROL) 3
SUB-
CONTRAST
(to be done
after screen,
white balance
adj,
sub-bright-
ness adj)
(I
2 C BUS
CONTROL)
4
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 1100 ± 100
µ
A .
Beam Current
Check 5
Dark White
WINDOW PATTERN SIGNAL
White
WINDOW PATTERN SIGNAL
1) In Window Pattern Signal condition.
Using Minolta Color Analyzer CA-100, let the
gun point at
Dark White position (as attach
drawing), adjust V06 Bus data until
LUMINANCE Y = 3 ± 0.5 cd/m2.
2)
1) In Window Pattern Signal condition.
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
2)