Sharp AQUOS LC-13B4E, Service Manual

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20
LC-13B4E
LC-15B4E
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 U/D normal?
Yes
No
Check R1227 and its peripheral parts.
Check R1235 and its peripheral parts. Check IC1202, Q1204 and their peripheral parts.
Check R1228 and its peripheral parts. Check R1232 and its peripheral parts.
Is output V0, V7, V21, V64, V112, V176, V235 and V255 normal?
Check IC1101 and its peripheral parts.