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29CTF05BS
Does STBY+5V appear at pin 4
IC752 main unit ?
No
Check the power
circuit consisting of
IC701, IC702, T701
and its related parts.
NO LED LIGHT
Check F4701
Normal
No
Yes
Check 3V output
from pin 22 of IC
2001 and its related
parts.
Blown out
Replace the fuse
Is the fuse again blown out ?
Check the power circuit
consisting of IC701,
IC702, T701 and its
related parts.
4 – 2
Yes
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