Yamaha RDX-E600MK2 - Page 15

DVD-E600MK2
15
DVD-E600MK2
D
Is audio signal normal ?
No
Is output signal
correct ?
Check circuit of filter,
amplifier, and mute etc.
Check AK4385ET and its
peripheral circuit
No
No
Ye s
Does AK4385ET
receive correct data ?
Check connection between
MT1389 and AK4385ET
Ye s
Are GP1UM271,
FL display and Key function
OK ?
No
No
Do GP1UM271
and uPD16312 communicate
with MT1389 ?
Check connection between
MT1389 and uPD16312 and
their peripheral circuit
Ye s
Check Remote Control
Check KEY matrix
Check connection of FL display
Ye s
END
Ye s
MAIN (5) Board
MAIN (1) Board
Board Ref Name
MAIN (1)
MAIN (1)
MAIN (5)
IC501 uPD16312
U501 GP1UM271
MONO 7111 MM1646
MONO 7112 MT1389
IC2 AK4385ET