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4-12
TROUBLESHOOTING
Troubleshooting for the POWER circuit
Failure in POWER ON
NO
NO
Is the POWER LED lit?
Is the outlet correctly connected?
Connect the outlet correctly.
YES
YES
Is 100V AC available behind the
Fuses F1 and F2 have
F1 and F2 fuses?
blown out.
Replace the fuses. If they
Flash in greenTo 1
blow out again, the POWER
(Fan error detected)
unit is out of order.
Flash in red
To 2
(Thermal error detected)
Flash in green and red
To 3
(Panel cracks detected)
Lit in green
To 4
YES
NO
Are there outputs of M+14V and
Try to disconnect the PW,
M+7V at Pins
1
and
3
of the
PQ, and RS connectors from
PM connector?
one after another. If the out-
puts of M+14V and M+7V
are found available, the cir-
cuits beyond these connec-
tors are out of order. If no
outputs are found, the
POWER unit is out of order.
YES
NO
Is there an output of M+5V at Pin
Fault in S2601 (PWR) and
2
(MAIN) of IC9504?
the related circuits
YES
NO
Is there an output of M+5V at Pin
Fault in the +5V lines to
5
of the LD connector, Pin
4
of
the respective LED PWB,
the PW connector, and Pin
5
of
PWR PWB, and 232C PWB
the RS connector?
YES
Fault in IC9501 and its peripheral
circuits
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Summary of Contents for PlasmaSync PX-42VM1G
Page 10: ...NEC Technologies PlasmaSync Plasma Monitor User s Manual...
Page 118: ...METHOD OF DISASSEMBLY 7 1 1 Diagonal view of the main unit rear panel...
Page 134: ...MEMO...
Page 137: ...9 1 PACKAGING Packing details A Safety bracket SASSY B 1 Safety bag SASSY...
Page 139: ...D CUSHION CARTON BOX 9 3 PACKAGING...
Page 141: ...9 5 PACKAGING F CARTON BOX OUT...
Page 147: ...CONNECTION DIAGRAMS 11 1...
Page 148: ...BLOCK DIAGRAMS 12 1 MAIN PWB BLOCK...
Page 149: ...BLOCK DIAGRAMS 12 2 VIDEO BLOCK...
Page 150: ...BLOCK DIAGRAMS 12 3 AUDIO BLOCK...
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