Read Sharp LC-20B6E (serv.man9) Service Manual online
29
LC-20B6E
No picture
(3/3)
Colour is unusual
Gradation defect
Check all the settings microprocessor's adjust process menu.
Is output of
Check R1236,R1237
Is output V0,V31,V63,V95,V127,
Check IC1101
R0±
윟
R3±
No
and their
V159,V191 and V247 normal?
No
and its peripheral
norma
l?
per
ip
h
era
l parts.
parts.
Y
es
Is output of
Check R1238,R1239
G0±
윟
G3±
No
and their
norma
l?
per
ip
h
era
l parts.
Y
es
Is output of
Check R1240,R1241
B0±
윟
B3±
No
and their
norma
l?
per
ip
h
era
l parts.
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