Read Sharp LC-15B5E (serv.man9) Service Manual online
24
LC-15B5E
TROUBLE SHOOTING TABLE
(Continued)
No picture (3/3)
Check all the settings microprocessor's adjust process menu.
Is output of
R0~R7
normal?
Is output of
G0~G7
normal?
Is output of
B0~B7
normal?
Yes
Yes
No
No
No
Colour is
unusual
Is in/output of
SPIO and
SPOI normal?
No
No picture
image
inversion
No
Gradation
defect
Is output of UD
normal?
Yes
No
Check R1265 and its
peripheral parts.
Check R1261 and
its peripheral parts.
Check IC1201, R1224
and its peripheral
parts.
Check R1266 and its
peripheral parts.
Check R1267 and its
peripheral parts.
Is output V0, V7, V21,
V64, V112, V176,
V235 and V255
normal?
Check IC1101 and its
peripheral parts.
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