Denon DN-X600, Service Manual

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O.K.
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-15V is not outputted.
The FADER START signal is not outputed.
Is the fuse normal? See FLOW CHART NO.2 <The fuse blows out.>
• S3800 and S3801 are turned on.
Is +3.3V voltage supplied to 19pin, 20pin of N231? See FLOW CHART NO.9 <The slide switch
operation is not functioning.>
Is the voltage of +15V or more supplied to collector
terminal of Q5110 Check D5115,L5103,C5117,C5125,C5518 and
replace it if defective.
Are the signals outputted to 18pin(PLAY1),
16pin(CUE1), 14pin(PLAY2), and 12pin(CUE2) of
U3400? Check periphery circuit of U3400 from N131, and
service it if defective. When the periphery circuit is
correct, U3400 is replaced.
Is the voltage of +15V or more supplied to collector
terminal of Q5106 Check Q5110,Q5109,Q5502,Q5512,D5120 and
replace it if defective.
Check Q5106 and the periphery circuit, and replace
it if defective.
Check periphery circuit of K3502,K3503 from
U3400, and service it if defective.
N.G.
N.G.
N.G.
N.G.
N.G.
FLOW CHART NO.6 (8U-110086-1 : IN/OUT/PWR UNIT)
FLOW CHART NO.7 (8U-110086-1 : IN/OUT/PWR UNIT,8U-110086-2 : HP JACK UNIT)