Yamaha RDX-E600MK2 - Page 14

DVD-E600MK2
14
DVD-E600MK2
D
C
Is Focus on OK ?
No
Check circuit between Optical
Pick Up and MT1389
No
Ye s
Is any signal
on pins A B C D E F of
MT1389 turned
ON ?
Ye s
Ye s
Is Spindle on OK ?
No
Are signals SP+
(Pin 17 of MM1646) & SP-
(Pin 18 of MM1646)
correct ?
Check connection between
spindle driver and MM1646
Check MM1646 and its
peripheral circuit
No
No
Ye s
Ye s
Is DMO
(pin 37 of MT1389)
normal ?
Check MT1389 and its
peripheral circuit.
Check MT1389 and its
peripheral circuit.
Is Track on OK ?
No
Is signal TRO
(pin 41 of MT1389)
normal ?
Check connection between
Optical Pick Up and MM1646
Check connection between
MT1389 (pin 41) and MM1646
(pin 24)
No
Ye s
Are signals t+
(Pin 16 of MM1646) & t-
(Pin 15 of MM1646)
correct ?
No
Ye s
Ye s
Check MM1646 and its
peripheral circuit.
Is disk READY ?
No
Ye s
Check cable and circuit
between DVD mechanism and
MT1389
MONO Board
Board Ref Name
MONO 7111 MM1646
MONO 7112 MT1389