LC-13S1E (serv.man8). (8) Trouble shooting table - Sharp TV Service Manual (repair manual). Page 3

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19
LC-13S1E
LC-15S1E
TROUBLE SHOOTING TABLE
 (Continued)
No picture (2/3)
Check all the settings microprocessor
’s adjust process menu.
Is input at pin 
(14) of IC802 
normal?
Check the V2_V 
line and its
peripheral parts.
No
No VIDEO 1
output
Check the  SY-line, 
SC-line and their 
peripheral parts.
Is input at pin (9) 
of IC802 and pin 
(1) of IC805 
normal?
No
No S-VIDEO 
output
Check IC1201 
and its
peripheral parts.
No
Yes
Yes
No TELETEXT 
output
Is input at pins (136), 
(137), (138), and 
(142) of IC1201 
normal?
No
Check the R, G 
and B line.
Is output at pins 
(57)~(59) of IC1601 
normal?
No
Yes
Check Vout line and 
its peripheral parts.
Is input at pin (21) of 
IC1601 normal?
Check IC1601 and its 
peripheral parts.
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