20
CDJ-350
1
2
3
4
A
B
C
D
E
F
1
2
3
4
5.2 TROUBLESHOOTING
In this section, causes of failure, diagnostics points, and corrective measures can be searched for according to symptoms.
Before disassembling this unit, it is recommended to infer a failure point by referring to the error code.
For the relationship of each power-supply and signal system, see “4.3 POWER SUPPLY BLOCK DIAGRAM.”
If software of the product is updated before performing diagnostics, check that software updating has been performed properly
before proceeding to diagnostics.
If software updating has not been performed properly, update the software, following the instructions in “8.4 UPDATI
N
G OF
THE FIRMWARE.”
Contents
[0] Prior
Confirmation
[1]
Failure in Startup
[2]
Display (DATA FL/LED)
[3] Operations
(SW/
V
olume/JOG)
[4]
USB (Type A/Type B)
[5] AUDIO
OUT
[6] DRI
V
E Assy
[7] SER
V
ICE MODE
[8] Error
Codes
[9]
Basic Operation Check of CPU/DSP
The waveform numbers described in this section correspond to the “10.11 WA
V
EFORMS.”
[1-2] Mode shift error in Standby mode
[0] Prior Confirmation
[0-1] Checking in Service Mode
[0-2] Checking Cables
[1] Failure in Startup
[1-1]
N
o power
No.
Cause
Diagnostics Point
Item to be Checked
Corrective Action
Reference
No.
Cause
Diagnostics Point
Item to be Checked
Corrective Action
Reference
No.
Cause
Diagnostics Point
Item to be Checked
Corrective Action
Reference
No.
Cause
Diagnostics Point
Item to be Checked
Corrective Action
Reference
—
10.10
V
OLTAGES
[9] Basic operation
check of CPU/DSP
10.11 WA
V
EFORMS
MAI
N
7
,
8
,
9
STA
N
DBY mode cannot be entered.
1
P
N
LB Assy
Check if there is loose connection on the
signal line from the PA
N
EL CPU (IC501)
to the SW(S525).
If the connection up to the SW is properly made and
if the signal is not set to "L" when the SW is pressed,
the SW may be defective.
2
Signal errors
P
N
LB Assy
Check the TSCS, TSCK, and TSI waveforms.
If the signal is not output, PA
N
EL CPU (IC501)
may be defective.
3
Defective signals
/SMPS Assy
P
N
LB Assy
Check the level of POWER_O
N
signal
(IC501-4 pin).
If the level is "H", PA
N
EL CPU(IC501) may be
defective.
If the level is "L", SMPS Assy may be defective.
1
—
Check the failure points.
See the section describing locations of defects in
this manual.
6.SER
V
ICE
MODE
1
Cables
Service mode
Disconnection,
breakage, or
loose connection
of cables
Check that all the cables are securely
connected.
Check that there is no breakage in the
cables.
Securely connect the cables. If a cable is broken,
replace it.
4.1 O
V
ERALL
CO
NN
ECTIO
N
DIAGRAM
4.3 POWER SUPPLY
BLOCK DIAGRAM
10.10
V
OLTAGES
Diagnostic methods
by Assy
Even after the unit is turned on, a STA
N
DBY/O
N
button is not lit with red.
1
Power failure
SMPS Assy
P
N
LB Assy
Check
V
+5E
V
.
If the
V
+5E
V
voltage is not output, the SMPS Assy
may be defective.
If the
V
+5E
V
voltage is output, the P
N
LB Assy may
be defective.
Poor connection
/Defective SW
Summary of Contents for TRAKTOR PRO CDJ-350
Page 8: ...8 CDJ 350 1 2 3 4 A B C D E F 1 2 3 4 2 2 USABLE DISCS AND USB DEVICES ...
Page 9: ...9 CDJ 350 5 6 7 8 5 6 7 8 A B C D E F ...
Page 10: ...10 CDJ 350 1 2 3 4 A B C D E F 1 2 3 4 2 3 PANEL FACILITIES ...
Page 11: ...11 CDJ 350 5 6 7 8 5 6 7 8 A B C D E F ...
Page 71: ...71 CDJ 350 5 6 7 8 5 6 7 8 A B C D E F ...
Page 73: ...73 CDJ 350 5 6 7 8 5 6 7 8 A B C D E F H C 4 4 CN401 ...
Page 75: ...75 CDJ 350 5 6 7 8 5 6 7 8 A B C D E F H C 4 4 CN401 ...
Page 79: ...79 CDJ 350 5 6 7 8 5 6 7 8 A B C D E F ...
Page 93: ...93 CDJ 350 5 6 7 8 5 6 7 8 A B C D E F H H SMPS ASSY SIDE B SIDE B CN1 CN2 FOR CUXJ ...