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LC-20E1E (serv.man2). Precautions, operations, dimensions, removing major parts, adjustment procedure and troubleshooting table - Sharp TV Service Manual (repair manual). Page 15

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17
LC-20E1E
TROUBLE SHOOTING TABLE
 (Continued)
No picture 
(3/3)
Colour is unusual
No picture image inversion
Gradation defect
Check all the settings microprocessor's adjust process menu.
 Is output of
 Check R1202
 Is in/output of
 Check R1209
 Is output V0,V7,
V17,V21,V32,
V64,V122,V176,
V235,and V255
normal? 
Check IC1106~
IC1108, IC1114
IC1115 and their
 R0~R7
NoNo
 and its
 SPIO and
NoNo
NoNo
  and its
 normal?
 normal?
 normal?
peripheral parts.
peripheral parts.
peripheral parts.
peripheral parts.
peripheral parts.
peripheral parts.
 SPIO normal?
Yes
 Is output of
 Is output of
 Check R1204
 Is output of U/D
 Check IC
1206
 G0~G7
Yes
 B0~B7
No
NoNo
 and its
 normal?
NoNo
 IC1207,Q1201
and their
 Check R1203
 and its
Yes
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