Sharp AQUOS LC-22SV2E, Service Manual

Page: 22 / 84

22
LC-22SV2E
TROUBLE SHOOTING TABLE
(Continued)
Check all the settings microprocessor's adjust process menu.
Is input at pin (74) of IC801 normal?
Check the AV1 line (SCART INPUT) and their peripheral parts.
Check the SY-line, SC-line and their peripheral parts.
Is input at pins (71) and (72) of IC801 normal?
Is input at pin (70) of IC801 normal?
Check the V2VO line and their peripheral parts.
Is input at pins (96)~(107), (110)~(121) and (132)~(143) of IC4101 normal?
Is output at pins (57)~(60) of IC1601 normal?
Check IC4101 and its peripheral parts.
Check the its line. (V2V0)
Check the its line.
Is output at pin (21) of IC1601 normal?
Check IC1601 and its peripheral parts.
No picture
No VIDEO 1 output
No S-VIDEO (VIDEO 1) output
No line output
No TELETEXT output
No
No
No
No No No
Yes Yes Yes