FrameMaker Ver.5.5E(PC) Di152/Di183 TROUBLESHOOTING
01.09.04
T-41
Step
Check
Result
Action
3
Power supply voltage check
<Check Procedure>
Check voltage across pins of DC Power Sup-
ply (PU1) when the Power Switch is turned
ON.
• Voltage across CN1PU1-1 and CN1PU1-3
AC0 V when the Power Switch is OFF
Rated AC voltage when the Power Switch is
turned ON
NO
• Check wall outlet for volt-
age.
• Check power cord for con-
tinuity.
• Check Power Switch.
4
Check of output of DC24 V to Control Board
(copier: PWB-C)
<Check Procedure>
Check voltage across a Control Board (copier:
PWB-C) pin and GND when the Power Switch
is turned ON.
• Voltage across JP15C-1 and GND
• Voltage across JP15C-2 and GND
DC0 V when the Power Switch is OFF
DC24 V when the Power Switch is turned
ON
NO
• Check Front Door Inter-
lock Switch (S3).
• Check Right Door Inter-
lock Switch (S4).
• Change DC power Supply
(PU1).
5
Check of output of DC24 V to Master Board
(copier: PWB-A)
<Check Procedure>
Check voltage across a Master Board (copier:
PWB-A) pin and GND when the Power Switch
is turned ON.
• Voltage across PJ2A-2 and GND
DC0 V when the Power Switch is OFF
DC24 V when the Power Switch is turned
ON
NO
• Check Front Door Inter-
lock Switch (S3).
• Check Right Door Inter-
lock Switch (S4).
• Change DC power Supply
(PU1).
6
Check of output of DC 5 V to Master Board
(copier: PWB-A)
<Check Procedure>
Check voltage across a Master Board (copier:
PWB-A) pin and GND when the Power Switch
is turned ON.
• Voltage across PJ21A-1 and GND
DC0 V when the Power Switch is OFF
DC24 V when the Power Switch is turned
ON
NO
• Change DC power Supply
(PU1).
7
Check of output of DC5 V to control panel
(UN2)
<Check Procedure>
Check voltage across a Control Board (copier:
PWB-C) pin and GND when the Power Switch
is turned ON.
• Voltage across JP4C-1 and GND
DC0 V when the Power Switch is OFF
DC5 V when the Power Switch is turned ON
NO
• Check Control Board
(copier: PWB-C).
• Change Master Board
(copier: PWB-A).
• Change DC power Supply
(PU1).
YES
• Change control panel
(UN2).
Содержание D1531iD
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