Sharp LC-13S1E - Page 17

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.