Other Trouble - PIONEER DJ DJS-1000 Service Manual

5
MIDI connection is not available
Does it not work for
only MIDI THRU function?
No
Is the MIDI OUT signal normal?
^, waveform
[Observation point
Yes
Is the MIDI IN signal
(previos Photo-coupler) normal?
3, waveform
[Observation point
Yes
Is the MIDI IN signal
(after Photo-coupler) normal?
9, waveform
[Observation point
Yes
Failure in IC2000 and peripheral circuit
USB memory is not recognized (USB-A)
Is the voltage of
V+5R2D_USBA normal? *1
(Disconnect the USB memory)
*1: Refer to 10.32 VOLTAGES / WAVEFORMS
Yes
Is the D+, D- line normal?
' 4, waveform
[Observation point
Yes
Failure in IC2000 and peripheral circuit

Other Trouble

Internal memory cannot be accessed
Whether the product is displayed
in the Device Manager of the PC?
(Connected the PC)
Yes
Playing the sound souce?
(Stored in the intarnal memory)
Yes
Failure in IC2000 and peripheral circuit
5
6
Yes Failure in IC1600
No Failure in IC2000 and peripheral circuit
20]
No Failure in JA1600, JA1601 and peripheral
circuit
21]
No Failure in PC1600 and peripheral circuit
22]
No Failure in IC400, IC401 and peripheral
equipment
(QRT1018 SERVICE MANUAL)
Failure in the common mode filter(L401)
No Failure in the USBA connector(JA5800)
23]
Failure in the B to B connector(CN400, CN5800)
Failure in IC2000 and peripheral circuit
Go to the "PC connection
No
is not available
(USB-B)" flowchart
No Failure in IC3800
Failure in IC2000 and
peripheral circuit
6
7
Firmware cannot be updated
Reading the USB memory
by the BROWSE operation?
Yes
Is the value that
change setting by UTILITY is hold?
(Even after once again turn
on the power)
Yes
Failure in IC2000 and peripheral circuit
DJS-1000
7
8
A
B
C
D
Go to the "USB memory
No
is not recognized
(USB-A)" flowchart
E
No Failure in IC1200
Failure in IC2000 and
peripheral circuit
F
21
8