LC-13S1E (serv.man8). (8) Trouble shooting table - Sharp TV Service Manual (repair manual). Page 2

Read Sharp LC-13S1E (serv.man8) Service Manual online

18
LC-13S1E
LC-15S1E
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
Page of 6
Display

Click on the first or last page to see other LC-13S1E (serv.man8) service manuals if exist.