Sharp 29V-FT450S - Page 27

29V-FT450S/29V-FT95S
27
NO LED LIGHT
Check F4701
Check the power
circuit consisting of
IC701, IC702, T701
and its related parts.
Check 3V output
from pin 22 of
IC2001 and its
related parts.
Normal Blown Out
Does STBY+5V appear at pin 4
IC752 main unit ?
Check the power circuit
consisting of IC701, IC702,
T701 and its related parts.
YesNo
Replace the fuse
Is the fuse again blown out ?
Yes
No