1. Power failure
YES
The power cord is defective.
The MAIN PWB is fault.
YES
Move the main power setting for
OFF
→
ON.
YES
(1) The power supply is not turned on.
The LD
connector or
the LED PWB
is fault.
NO
The PW
connector or
the PWR PWB
is fault.
The PM
connector or
the MAIN
PWB is fault.
The power unit is fault.
The PW
connector or
the PWR PWB
is fault.
The PM
connector or
the MAIN
PWB is fault.
(Caution)
If any abnormality is sensed in such a
manner that the LED flashes or lights, all
the power lines other than those of 7Vdc
(M+7V) and 5Vdc (M+5V) are automatically
turned off in about 10 seconds. When
checking the power lines other than those of
M+7V and M+5V, a circuit tester or the like
should have been connected in advance.
(3) Blinking in red after repeating
reciprocal flash in red and green
(POWER ON
↔
OFF) 3times (Alarm of
temperature error) Go to (P5-5).
(2) Blinking in green (Alarm of
temperature sensor error or fan error)
Go to (P5-3)
(4) Reciprocal flashing in red and
green (Alarm of panel error) Go to
(P5-6).
(5) Lighting in green, and then in
red (Alarm of power line error) Go to
(P5-7).
Is a 5Vdc output available in the state that
the LD connector is disconnected and the
main power is turned ON?
The LD connector or the
LED PWB is fault.
YES
NO
Is a 5Vdc output available in the state that
the RS connector is disconnected and the
main power is turned ON?
The RS connector or the
232C PWB is fault.
YES
NO
The PW connector, PWR PWB or the MAIN
PWB is fault.
Is a 6.8Vdc output available in
the state that the PW connector
is disconnected and the main
power is turned ON?
Is a 6.8Vdc output
available at Pin of
the PM connector?
Is a 6.8Vdc output available in
the state that the LD connector
is disconnected and the main
power is turned ON?
Is a 5Vdc output
available at Pin of
the PW connector?
Is a 4.9Vdc output
available at Pin of
the PM connector?
Is a 6.8Vdc output
available at Pin of
the PW connector?
Is a 6.8Vdc output
available at Pin of
the PM connector?
Is a 6.8Vdc output available in
the state that the PM connector
is disconnected and the main
power is turned ON?
Is the AC power
output available at
the AC connector
(power cord)?
Is the POWER/STANDBY lamp lit?
NO
NO
YES
YES
YES
NO
NO
NO
NO
YES
YES
NO
NO
NO
NO
NO
YES
YES
CONFIDENTIAL
5-2
Summary of Contents for PX-50XM4
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Page 267: ... Fig 1 CCD PWB Pattern Diagram A B D E 3 3V 6V C CONFIDENTIAL 5 20 ...
Page 268: ...CONFIDENTIAL 5 21 Check point MAIN PWB ...
Page 269: ...5 22 232C PWB CONFIDENTIAL ...
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Page 321: ...10 STAND modification 1 SCREW M6 50 4p 1 SCREW M6 50 4p 7 12 CONFIDENTIAL ...
Page 349: ...C JOINT STOPPER D MODEL NAME LABEL PK02 PK03 CONFIDENTIAL 8 3 ...
Page 350: ...E ASSEMBLED IN UK LABEL DETAIL F ASSEMBLED IN UK LABEL APPLYING CONFIDENTIAL 8 4 ...
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Page 403: ... PX 50XM4 61XM3 Series getmanual com 13 1 CONFIDENTIAL CIRCUIT DIAGRAMS ...
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