Read Sharp LC-20B6E (serv.man9) Service Manual online
28
LC-20B6E
No picture
(2/3)
No S-VIDEO output
No VIDEO1 output
No COMP VIDEO output
No PC R/G/B output
No TELETEXT output
Check all the settings microprocessor's adjust process menu.
Is input at pins
Is input at pins (1)
Is input at pins
Check IC801
(10),(12) of IC3401
(3) of IC3401
(305),(301),(303) and
Yes
and its
normal?
normal?
(117) of IC801 normal?
peripheral parts.
No
No
Is the pin (1) o
f
Check the pin
No
IC403 in the
No
(48) of IC2001.
"H" state?
Check the V2_SY-line,
Check IC3401
Yes
Is output at pins (3),(5),
Check the R,G,B
V2_SC-line
and
their
and its
(7) and (10) of
Yes
and FB line.
peripheral parts.
peripheral parts.
Check IC403 and
IC1602 normal?
its per
ip
h
era
l parts.
N
o
Is output at pins
Check their lines
(57)
윟
(59) and (60) of
No
and its peripheral
IC1601 normal?
parts.
Is the pin (1) of
Check the pin
Ye
s
IC403 in the "L"
No
(48) of IC2001.
state?
Ye
s
Check IC1601 and
its peripheral parts.
Check IC403
and its peripheral
parts.
Click on the first or last page to see other LC-20B6E (serv.man9) service manuals if exist.