Panasonic DX-600 / DX-800 Service Manual ▷ View online
93
DX-600/800
APR 2002
Edition 1.0
3.21. SRU PC Board (Optional)
CN90
Refer to MJR PC Board CN23.
Refer to MJR PC Board CN23.
CN91
SRU PCB
Pin No.
Signal Name
Destination
Signal Waveform
Function
CN91-1
N.C.
Not Used
CN91-2
MIC (+)
Telephone
Handset CN
Handset CN
Handset Microphone
CN91-3
RCV (+)
Telephone
Handset CN
Handset CN
Handset Receiver
CN91-4
RCV (-)
Telephone
Handset CN
Handset CN
Handset Receiver
CN91-5
MIC (-)
Telephone
Handset CN
Handset CN
Handset Microphone
CN91-6
TGND
Ground
0V
94
DX-600/800
APR 2002
Edition 1.0
4 Troubleshooting
4.1.
Initial Troubleshooting Flowchart
START
Plug-in the Power Cord to turn
the machine ON.
the machine ON.
Does the LCD display
and function correctly?
and function correctly?
Does the original document
feed through correctly?
feed through correctly?
Does the recording paper
exit the unit?
exit the unit?
Troubleshoot printed
copy quality problems
(Sect. 4.4).
copy quality problems
(Sect. 4.4).
Troubleshoot the
Document Feeder
(Sect. 4.5)
Document Feeder
(Sect. 4.5)
Check for recording
paper path problems.
paper path problems.
Troubleshoot Improper
LCD Display (Sect. 4.2).
LCD Display (Sect. 4.2).
Troubleshoot any 3-digit
INFO. CODE displayed
(Sect. 4.3).
INFO. CODE displayed
(Sect. 4.3).
Does the unit produce
normal copies?
normal copies?
Troubleshoot communication
problems (transmission,
reception, dialing, polling,
information codes, or
diagnostic codes.)
(Sect. 4.6)
problems (transmission,
reception, dialing, polling,
information codes, or
diagnostic codes.)
(Sect. 4.6)
Does the unit power up
normally?
normally?
Yes
Yes
Yes
Yes
No
No
No
No
Yes
No
95
DX-600/800
APR 2002
Edition 1.0
4.2.
Improper LCD Display
Check connectors: CN14
(SC PCB) and CN50
(SC PCB) and CN50
When pressing any key,
do you hear the 'Pi-' sound from
the Speaker?
do you hear the 'Pi-' sound from
the Speaker?
Does CN14, pin 2 and pin 3
on the SC PCB
measure +5VDC?
on the SC PCB
measure +5VDC?
Replace the SC PCB.
Replace the PNL1 PCB.
Reinstall the firmware.
Yes
Yes
No
No
START
END
(PNL1 PCB).
96
DX-600/800
APR 2002
Edition 1.0
4.3.
Information Codes (INFO. CODES)
The 3-digit information codes display to show the unit’s status. These codes also print on the journal.
The following table indicates appropriate sections for troubleshooting.
The following table indicates appropriate sections for troubleshooting.
Code
Explanation
Phase
Section
001, 002, 007
Recording paper jam
C, D
4.3.8.
010
No recording paper
B, C
4.3.9.
030
Document misfeeding
B
4.3.10.
031
Document too long
C
4.3.10.
400
Transmission error
B
4.3.1.
401, 402
Transmission error
B
4.3.2.
403
Polling reception error
B
4.3.12.
404, 405, 407
Transmission error
B
4.3.3.
408, 409
Transmission error
D
4.3.5.
411, 414
Polling reception error
B
4.3.12.
415
Remote side mis-operation
B
4.3.12.
416
Reception error
D
4.3.4.
417, 418
Reception error
C
4.3.5.
420
Reception error
B
4.3.1.
422
Transmission error
B
4.3.2.
434
Signal noise level too high
B
4.3.6.
459, 494, 495
Reception error
C
4.3.7.
490
Reception error
C
4.3.5.
630
Remote unit Busy
B
4.3.11.
634
No busy tone detected
B
--
711 - 731
LAN communication error
LAN
--
800 - 870
Advanced Communication error
--
--
Phase A : Call establishment
Phase B : Pre-message procedure
Phase C : Message transmission
Phase D : Post-message procedure
Phase E : Call release
Phase A
Phase B
Phase C
Phase D
Phase E
Message
Transmission
Facsimile Communication Procedure
Facsimile Call
Phase
Click on the first or last page to see other DX-600 / DX-800 service manuals if exist.