Sony AVD-K150B Service Manual page 18

AVD-K150B/K150E/K150G/K150N/K150R
(4) No 5V (TO DVD)
NO 5V.
YES
NO
Is 5.3VA put into
the Q160 Emitter?
YES
NO
Is the Q162 Base
"H"?
YES
NO
Is about 5V put into
the Q160 Base?
YES
Check or Replace
the Q162/Q160
18
5.3VA Line Check.
Check the Power
Control.
Check or Replace the
Q162, R157, R158, R159.
(5) No 33V (TUNER)
No 33V.
YES
NO
Is Q163 Base "H"?
YES
Check or Replace
Q161, R154, R155.
Check the Power
Control.