Pioneer CDJ-2000NXS, Руководство по обслуживанию

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CDJ-2000NXS
1 2 3 4
A
B
C
D
E
F
1 2 3 4
1 Loose connections
in the signal line. JACB Assy Check the waveforms of the control signals
(CO
N T1, CO N T2) from the C N 9401 on the
JACB Assy.
If the signal cannot be recognized, the JACB Assy
may be defective. Check the soldering at the JACB
Assy then resolder it, if necessary.
If the signal can be recognized, go to Step 2. —————
2 Defective
MAI
N CPU
MAI N Assy Check the waveforms of the control signals
(CO
N T01, CO N T02) from the MAI N Assy.
If the input signal can be recognized, then the MAI N CPU
(IC10) may be defective. Replace the MAI N Assy. If the
input signal cannot be recognized, the communication
line or the peripheral devices may be loosely connected.
Resolder the terminals.
—————
1 Missing or
defective part Loading mecha Check that there is no part missing or
defective. If there is, install the missing part or replace the
defective part. —————
2 Loose connections
in the signal line. Loading mecha Check that the LP switch has been
mounted. If soldering is improper, resolder it. —————
3 Improper
assembling Loading mecha Check that the lever is engaged with the
LP switch. Engage the lever with the LP switch. —————
4 Improper
soldering Loading mecha Check that the wires from the loading
motor have been properly soldered. If they are not soldered, solder them. —————
5 Power supply
error SR V B Assy Check the power voltages (12 V , 5 V ,
3.3 V , and 1.5 V ).
Check the connection of the parts at the periphery of
the power-supply IC that does not output the voltage.
If the symptom persists after a corrective action, the
power supply block is defective. Replace it. —————
7 MUTE1 and
MUTE2 signal
errors SR V B Assy Check the waveforms of the MUTE1 and
MUTE2 signals. (During loading, the
MUTE1 signal is L and the MUTE2 signal
is H.) DRI V ER IC (IC7001) and SODC (IC7006) may
be improperly soldered or defective.
Resolder them, if necessary. If the symptom
persists, replace SODC (IC7006).
—————
9 Defective SR V B
Assy
————— If the symptom persists after the above
corrections. Replace the SR V B Assy. —————
6 LPS1 and LPS2
signal errors SR V B Assy Check the waveforms of the LPS1 and LPS2
signal lines. (The LPS1 and LPS2 signals
becomes L when the SW is set to O
N .)
The loading detection SWs (S 8 901 and S 8 902) may
be improperly soldered or defective. Resolder them,
if necessary. If the symptom persists, replace them.
5.4 OPERATIO N AL
WA V EFORMS
2
8 LOAD signal
error SR V B Assy Check the LOAD signal. DRI V ER IC (IC7001) and SODC (IC7006) may
be improperly soldered or defective.
Resolder them, if necessary. If the symptom
persists, replace SODC (IC7006).
5.4 OPERATIO N AL
WA V EFORMS
2
1 The main unit is
positioned inclined. Main unit Check if the main unit is positioned inclined. Place it on a level surface. —————
3 Improper assembling Traverse mecha Check the inside switch. Assemble the I N SW Assy properly. —————
2 Improper assembling Traverse mecha Check if there is a missing or defective part at the
section where the main axis and stepper contact. If there is, install the missing part or replace the
defective part. —————
4 Power supply
error SR V B Assy Check the power voltages (12 V , 5 V ,
3.3 V , 1.5 V , V REF1, V REF2 and V HALF).
Check the connection of the parts at the periphery of
the power-supply IC that does not output the voltage.
If the symptom persists after a corrective action, the
power supply block is defective. Replace it. —————
5 I N SW signal
error
SR V B Assy Check the I N SW signal. (The I N SW
becomes L when the I N SW is set to O N .)
The FFC cables that connect the traverse mechanism,
SPC
N , and SR V B are loosely connected, or the I N SW
is defective. Reconnect them securely.
If the symptom persists, replace the I
N SW.
—————
6 MU1 signal error SR V B Assy Check that the MU1 signal becomes H
after loading is completed. DRI V ER IC (IC7001) and SODC (IC7006) may
be improperly soldered or defective.
Resolder them, if necessary. If the symptom
persists, replace SODC (IC7006).
—————
7 Improper assembling Cables Check that the FPC cable that connects the
traverse mecha and the SR
V B Assy is
securely connected.
If it does not, securely connect it. If it is broken,
replace the traverse mecha. —————
[8] CONTROL
[ 8 -1] Improper fader operation after fader start
[9] DRIVE ASSY
[9-1] Improper operation of the loading mechanism
[9-2] The stepper does not work.
N o loading
When it is thought abnormally, the drive section execute drive self-diagnose beforehand.
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