Yamaha RDX-E600MK2 - Page 12

DVD-E600MK2
12
DVD-E600MK2
Is
Main Clock
normal ?
Is
reset signal
normal ?
Is signal
on FLASH (Ref 7303)
normal ?
Is signal
on DRAM (Ref 7302)
normal ?
Check peripheral circuit of FLASH (Ref 7303)
Check peripheral circuit of DRAM (Ref 7302)
A
B
Ye s
No
Ye s
No
Ye s
No
Ye s
No
Ye s
No
Ye s
No
Ye s
No
Check 74HCU04 (Ref 7103) and
peripheral circuit.
Check NCP303 (Ref 7102) and
peripheral circuit.
Check MT1389 (Ref 7112) and
peripheral circuit.
Does the tray
automatically close when
it is open?
Are signals TROUT
(Pin 48 of MT1389) and TRIN
(Pin 49 of MT1389)
correct ?
Are signals
TRCLOSE & TROPEN
correct ?
Are signals
LOAD+ & LOAD-
correct ?
Check the position-switch on
the DVD mechanism
Check the circuit between
MT1389 and MM1646
Check MM1646 and peripheral
circuit
No
No
No
Ye s
Ye s
No
Ye s
Ye s
Check the circuits connecting
to the DVD mechanism
Is logo displayed
on TV screen?
Is image signal
at connector (Ref 1301) in
Mono Board normal?
Is image signal
at output terminal in MAIN (5)
Board normal?
Check TV connection cable.
Check video filter circuit and
amplification circuit in MAIN (5) board.
MAIN (5) Board
MONO Board
MONO Board
Board Ref Name
MONO 7111 MM1646
MONO 7112 MT1389