JVC HR-XV2EK Service Manual page 10

(7) No 8V(TO DVD)
NO 8V.
YES
NO
Is Vcc(13V) supplied to
(+) terminal in D114?
YES
NO
Is Vcc(12V) supplied
to IC151 Pin1?
YES
NO
Is the Q162 Base
"H"?
YES
Check or Replace
IC151, R170, C154.
Check or Replace
the D110.
Check or Replace
the D114.
Check the Power
Control.
3-6
(8) No 3.3V(TO DVD)
NO 3.3V.
YES
NO
Is Vcc(4V) supplied
to IC152 Pin1?
YES
NO
Is the Q162 Base
"H"?
YES
Check or Replace
IC152, R156, C153.
Check or Replace
the D111.
Check the Power
Control.