Pioneer MEP-7000 Service Manual

69
MEP-7000
5
6 7 8
5
6 7 8
A
B
C
D
E
F
Check if a signal is input to Pin 9
or 10 of CN350 on the SMAIN
Assy.
The LED for the USB STOP key does not light.
-
-
1 SMAIN ASSY
-3
FSWB ASSY
Check the voltage at the two
electrodes of the LED.
If the voltage in the normal direction is in the
range of 2.2-2.7 V, the LED is defective;
replace it. If the voltage is outside the above
range, the transistor is defective; replace it.
-
No. Waveform Items for check Causes and measuresPoints to be checked
[5-5] If fader start does not function normally
1
Cable
If a connection is loose, firmly connect the
cables.
If there is breakage, replace the Cables.
Check if the FFC that connect the
SMAIN and SJACK Assys are
securely connected and if there is
breakage in the FFC.
If a connection is loose, firmly connect the
cables.
If there is breakage, replace the Cables.
-3 SMAIN ASSY
Check if a signal is input to
EXP.IN1 (IC354).
If a signal is input, check the mounting status
of the EXP.IN1 (IC354). If it is properly
mounted, then the port connector may be
defective; replace it.
If no signal is input, the mounting status of
parts on the communication line or peripheral
parts may be in problem. Resolder the parts.
2 SMAIN ASSY
Check the waveform of the
control signal from CN301 on the
SMAIN Assy.
If no signal is output, poor connection on the
SJACK Assy is suspected. Check the connec-
tions on the SJACK Assy, and resolder, if
necessary.
If a signal is output, go to [3].
2 Cable
26~29
2
SMAIN ASSY
Check that the clock signal (6
MHz) is input to the USB
controller (IC402).
If the clock signal is input, the USB controller
(IC402) is defective; replace it.
If the clock signal is not input, the crystal
oscillator (X400) and its peripheral chips may
be defective or improperly mounted. Resolder
them. If the problem is not resolved, replace
them.
38
3
SMAIN ASSY
Check that the HUB_24M clock
signal is output.
If the clock signal is output, check the mount-
ing status of IC401. If it is properly mounted, it
is defective; replace it.
If the clock signal is not output, the crystal
oscillator (X400) and its peripheral chips may
be defective or improperly mounted. Resolder
them. If the problem is not resolved, replace
them.
37
Check the status of the AUDIO
DSP (IC501) and USB controller
(IC402) with the auto device
diagnosis or the status LEDs.
If configuration of the AUDIO DSP (IC501) is
not completed, the USB controller (IC706) has
not started. If they are judged as NG, see “[8]
Auto device diagnosis/Status LEDs” in this
section.
Communication via any USB port not possible
-
No. Waveform Items for check Causes and measuresPoints to be checked
[5-6] USB communication not possible (USB device not recognized, or DJ software inoperable)
1
-
If there is an no signal, check the mounting
status of AUDIO DSP (IC501). If it is properly
mounted, the port connector may be defective;
replace it.
If signal is input, go to [2].
Check if the FFC that connect the
EJTB and FSWB Assys are
securely connected and if there is
breakage in the cables.

Pioneer MEP-7000 Specifications

General

Frequency range	4 - 20000 Hz
Channels quantity	- channels
Digital sound processing	- bit
Total Harmonic Distortion (THD)	0.006 %
Dimensions (WxDxH)	483 x 325 x 91 mm
Power consumption (typical)	33 W

Weight and Dimensions

Weight	6100 g