19
DJS-1000
5
6
7
8
5
6
7
8
A
B
C
D
E
F
Yes
No
No
Yes
Yes
Failure in the OUT1/2 analog audio output circuit
-> Confirm each output of IC5501 to IC5504 is normal
Failure in the MUTE peripheral circuit
Failure in the reset control line peripheral circuit
-> Confirm the route from IC2000 output to
IC5700 in order
No
Failure in IC5500
Failure in the audio CLK peripheral circuit
-> Confirm the IC5205, IC5207 4pin output
and CLK output of IC2000
Is the IC5500 output normal?
[Observation point
O
, waveform 1
3
]
Is IC5700
3
2pin
set to the HI level?
[Observation point
]
No
Yes
Are MCK, BCK, LRCK
correctly input to IC5700?
[Observation point
]
Failure in IC2000 and peripheral circuit
Failure in IC5700
No
Yes
Is the ADAT_HP signal
correctly input to IC5700?
[Observation point
, waveform 14
]
Is L_MUTE
set to the LOW level?
[Observation point
?
]
No
Yes
Failure in the PHONE
S
analog audio output circuit
-> Confirm each output of IC6601 to IC660
3
is normal
Yes
No
Failure in IC2000 and peripheral circuit
Is the ADAT_MA
S
signal
correctly input to IC5500?
[Observation point
P
, waveform 12
]
No sound comes out from the PHONE
S
terminal
Assign the 1kHz/0dBV file to the pad
Adjust the TRACK VOLTE to 100
Turn on the LOOP playback
Press the pad assigned to the song and then play it
Adjust the HPVOL to to 9 o'clock or more
B
Is the IC5700 output normal?
[Observation point
, waveform 15
]
