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31
DJM-900NXS
5
6
7
8
5
6
7
8
A
B
C
D
E
F
[2-3] No signal is input to the MIC1/MIC2 connectors.
4
Loose connection
/defective parts
Loose connection
/defective parts
Loose connection
/defective parts
Loose connection
/defective parts
Loose connection
/defective parts
Loose connection
/defective parts
Loose connection
/defective parts
Loose connection
/defective parts
Loose connection
/defective parts
Loose connection
/defective parts
Loose connection
/defective parts
MAI
N
Assy
IC111(CH1)
IC203(CH2)
IC303(CH3)
IC403(CH4) -9 pin
Representative
ADATI
N
_SRC1
Check for the digital audio signal at
DIGI/USB SW.
• If there is a signal, go to [6].
• If there is no signal, go to [5].
5
MAI
N
Assy
IC111(CH1)
IC203(CH2)
IC303(CH3)
IC403(CH4) -9 pin
Representative
DIGI_SEL1
Check that the DIGI_SEL* signal level is Low.
IC111(CH1)/IC203(CH2)/IC303(CH3)/
IC403(CH4) 1 pin
• If it is L, but no signal is output, IC111(CH1)
/IC203(CH2)/IC303(CH3)/IC403(CH4) must be
improperly soldered or defective.
• If it is not L, MAI
N
CUP: IC2011 must be
improperly soldered or defective.
6
MAI
N
Assy
UDI
N
1
UDI
N
2
UDI
N
3
UDI
N
4
Test land
Representative
Check for the output signal at SRC.
• If a signal is outout, DSP (IC701) must be
improperly soldered or defective.
• If a signal I not output, go to [7].
7
MAI
N
Assy
IC113(CH1)
IC205(CH2)
IC305(CH3)
IC405(CH4)
5 pin
Representative
Check that the CH*SRC_RESET signal
level is High.
• If it is L, Ether UCOM (IC501) must be
improperly soldered or defective.
• If it is H, go to [8].
8
MAI
N
Assy
IC113(CH1)
IC205(CH2)
IC305(CH3)
IC405(CH4) -7, 8 pin
Representative
Check for the CLK signal (ILRCK, ISCLK)
at SRC.
• If there is no CLK signal, IC111(CH1)/IC203
(CH2)/IC303(CH3)/IC403(CH4) must be
improperly soldered or defective.
• If there is a CLK signal, IC113(CH1)/IC205
(CH2)/IC305(CH3)/IC405(CH4) must be
improperly soldered or defective.
Prior
Confirmation
OFF, O
N
, TALK
O
V
ER switch
Confirm on the screen that the selector
is set properly.
1
I
N
PUT Assy
IC6204
MIC1: 2 pin
MIC2: 1 pin
Check for an audio signal at the input
connector of the ADC.
If no audio signal is input to the ADC, a problem
in an analog circuit at a previous stage may be
suspected.
• If no signal is input, go to [2].
• If a signal is input, go to [3].
2
I
N
PUT Assy
V
R6202
V
R6201
Check for an audio signal at the periphery
of the TRIM.
• If a signal is interrupted at the periphery of the
TRIM,
V
R6202/
V
R6201 must be improperly
soldered or defective.
• If there is no signal before the TRIM, the MIC1
/MIC2 AMP block must be improperly soldered
or defective.
3
I
N
PUT Assy
IC6204 13 pin
Check for the RESET signal of the ADC.
• If the signal level is L, go to [5].
• If the signal level is H, go to [4].
4
I
N
PUT Assy
LRCK: IC6204
10pi
BCLK: IC6204
12 pin
MCLK: IC6204
11 pin
Check for the CLK signal of the ADC.
• LRCK • BCLK • MCLK
• If there is no CLK signal, go to [7].
• If there is a CLK signal but no signal is output
from the ADC, the ADC must be improperly
soldered or defective.
5
I
N
PUT Assy
IC4010 2 pin
4 pin
Check for the RESET signal.
• If the signal level at Pin 2 is H and that at Pin 4
is L, IC4010 must be improperly soldered or
defective.
• If the signal level at Pin 2 is L, go to [6].
6
I
N
PUT Assy
IC4005 2 pin, 3 pin
Check for the RESET signal.
• If the signal level at Pin 2 is L, go to [8].
• If the signal level at Pin 3 is not normal, check
for BCLK in [7].
• lf a signal at Pin 2 is H and that at Pin 3 is
normal, IC4005 must be improperly soldered
or defective.
No.
Cause
Diagnostics Point
Item to be Checked
Corrective Action
Reference
No.
Cause
Diagnostics Point
Item to be Checked
Corrective Action
Reference
10.41 WA
V
EFORMS
MAI
N
ASSY
10.41 WA
V
EFORMS
MAI
N
ASSY
10.41 WA
V
EFORMS
MAI
N
ASSY
10.41 WA
V
EFORMS
MAI
N
ASSY
10.41 WA
V
EFORMS
MAI
N
ASSY
10.41 WA
V
EFORMS
I
N
PUT ASSY
10.41 WA
V
EFORMS
I
N
PUT ASSY
10.41 WA
V
EFORMS
I
N
PUT ASSY
10.41 WA
V
EFORMS
I
N
PUT ASSY
10.41 WA
V
EFORMS
I
N
PUT ASSY
10.41 WA
V
EFORMS
I
N
PUT ASSY
1-16
1-16
1-12
1-12
1-17
1-17
1-13
1-13
1-14
2-41
2-44
2-41 2-44
2-39
2-42
2-40
2-43
2-39
2-42
2-40
2-43
2-45
2-45
2-48
2-48
2-46
2-46
2-47
2-47
2-9
2-9
2-7
2-12
2-7
2-12
2-10
2-10
1-15
1-14 1-15
Содержание DJM-900NXS
Страница 10: ...10 DJM 900NXS 1 2 3 4 A B C D E F 1 2 3 4 2 2 PANEL FACILITIES ...
Страница 11: ...11 DJM 900NXS 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 12: ...12 DJM 900NXS 1 2 3 4 A B C D E F 1 2 3 4 ...
Страница 15: ...15 DJM 900NXS 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 20: ...20 DJM 900NXS 1 2 3 4 A B C D E F 1 2 3 4 4 3 DSP BLOCK DIAGRAM ...
Страница 21: ...21 DJM 900NXS 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 87: ...87 DJM 900NXS 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 189: ...189 DJM 900NXS 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 192: ...192 DJM 900NXS 1 2 3 4 A B C D E F 1 2 3 4 A SIDE B A INPUT ASSY CN4003 CN4002 CN5001 CN5401 ...
Страница 193: ...193 DJM 900NXS 5 6 7 8 5 6 7 8 A B C D E F A SIDE B LF DWX3193 INPUT DWX DNP2625 B CN6201 CN4201 CN4601 1 ...