20
TSP-16
1
2
3
4
A
B
C
D
E
F
1
2
3
4
Are MCK, BCK, and LRCK
correctly input to IC520
3
?
Does the audio signal exist
in IC520
3
1pin, 2pin?
[Observation point
A11
etc.]
Yes
Yes
No
No
Is the audio signal properly
output from IC520
3
9pin?
[Observation point
A12
]
Yes
Yes
No
Failure in the analog audio input circuit
-> Confirm that each output of IC5200 to IC5202 is normal
No
No
Yes
No
Failure in IC2000 and peripheral circuit
Yes
Failure in RY5400 and
failure in the OUT1-2 / MA
S
TER analog audio
output circuit
-> Confirm that each output of IC540
3
,
IC5404, IC5600, and IC5601 is normal
No
Yes
Failure in the OUT
3
-8 analog audio output circuit
-> Confirm that each IC output of the channel
which no audio is output is normal
Failure in Q5400
Failure in the audio CLK peripheral circuit
-> Confirm IC5008 4pin output and each
CLK output of IC2000
Failure in IC2000 and peripheral circuit
Failure in the audio CLK peripheral circuit
-> Confirm the IC5008, IC5012 4pin output and LRCK output of IC2000
Failure in IC 520
3
No sound comes out from the OUT1-2 / MA
S
TER terminal and OUT
3
-8 terminal
No sound comes out
from all output
No
Yes
Is the ADAT_M signal
correctly input to IC5400?
[Observation point
A1
3
]
Failure in IC 5400
No sound comes out from
the OUT1-2 / MA
S
TER terminal
Is the anode voltage
of D5400 about +12V?
S
upply the audio signal (-10dBV) to the INPUT terminal
Turn the INPUT LEVEL knob to max
Turn the MAIN OUT knob to max
Enter 6.1 TE
S
T MODE PAGE 11: AUDIO TE
S
T/MODE1
A
Does level meter of the track
that is set in the THRU deflect?
Yes
No
Failure in the output circuit
(Go to later Trouble flowchart)
Are MCK, BCK, and LRCK
correctly input to IC5400?
