7. Power Circuit(SMPS)
(4) No 5VT(5V)
No 5VT.(5V)
Is 5.3VA put into the Q152(Q151)
collector?
Is the Q163(Q162) Base "H"?
Is about 4.7V put into the
Q152(Q151) Base?
Check or Replace the Q152(Q151).
YES
YES
YES
YES
NO
Check the µ-com Control.
NO
Check the Q163(Q162)
whether it works normally.
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