LC-13S1E (serv.man8). (8) Trouble shooting table - Sharp TV Service Manual (repair manual). Page 4

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20
LC-13S1E
LC-15S1E
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 R1224, R1227 
and their peripheral 
parts.
Check R1234 and 
its peripheral parts.
Check IC1202, Q1206 
and their peripheral 
parts.
Check R1231, R1267 
and their peripheral 
parts.
Check R1268, R1269 
and their peripheral 
parts.
Is output V0, V7, V21, 
V64, V112, V176, 
V235 and V255 
normal?
Check IC1101 and its 
peripheral parts.
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