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AVD-K700P, HT-V700DP - Sony Audio Service Manual (repair manual). Page 11

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11
AVD-K700P
NO 5V.
5.3VA Line Check.
Is 5.3VA put into
the Q168 Emitter?
Is about 5V put into
the Q168 Base?
Is the Q169 Base
“H”?
NO
NO
NO
Check the Power
Control.
Check or Replace the
Q169, R175, R176, R177.
YES
YES
YES
YES
Check or Replace
the Q168/Q169
(4) No 5V (TO DVD)
No 33V.
Check the Power
Control.
Is Q163 Base “H”?
Check or Replace
Q163, R168, R169.
NO
YES
YES
(5) No 33V (TUNER)
NO 8V.
Check or Replace
the D126.
Is Vcc(13V) supplied to
(+) terminal in D126?
Check or Replace
IC161, C163.
Is Vcc(12V) supplied
to IC160 Pin1?
NO
NO
Check or Replace
the D163.
YES
YES
YES
(6) No 8V(TO DVD)
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