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Sharp LC-20S1E User Manual

Sharp LC-20S1E
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17
LC-20S1E
TROUBLE SHOOTING TABLE (Continued)
No picture (1/3)
Check all the settings microprocessor
s adjust process menu.
Is in/output of
IC801 normal?
Is in/output of
IC1201 normal?
Check IC801
and its
peripheral parts.
Check IC1201
and its
peripheral parts.
Check LCD
panel voltages
and waveform.
Yes
Yes
No
No
No picture
at all
Is voltages at
pins (6), (7) and
(18) of tuner
normal?
Is output at pin
(13) of tuner
normal?
Check the
power line.
Check tuner
and its
peripheral parts.
Is input at pin
(16) of IC802
normal?
Is the pin (3)
of IC802 at "H"
state?
Yes
Yes
No
No
No
No
No
Yes
No TV output
Is the pin (48)
of IC2001 at
"H" state?
Yes
Check the its
line.
Check the its
line.
Check IC802
and its
peripheral parts.
Is input at pin
(7) of IC802
normal?
Check V1_V
line and its
peripheral parts.
No
No VIDEO 2
output

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Sharp LC-20S1E Specifications

General IconGeneral
BrandSharp
ModelLC-20S1E
CategoryLCD TV
LanguageEnglish

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