4
(2) Flashing in red (Temperature error detected)
NO
YES
Is the potential 0V at Pin 10
Is 5V available at Pins 13 to
IC9806 or IC9806 and
of IC9806 (MAIN PWB)?
15 of IC9806?
peripheral circuits are out
of order.
YES
NO
NO
Are TH1 in the POWER unit
Is 5V available at Pin PN3?
Failure in the POWER unit
and its peripheral circuits out
or in another IC that uses
of order?
A+5V.
YES
IC9806 or IC9501 and its
peripheral circuits are out of
order.
(Caution) How to reset the alarm:
• Turn the power circuit off and on at the main power supply, remote control, or the wall outlet.
(3) Reciprocally flashing in green and red (Cracks in the panel detected)
NO
Is the potential 0V at Pin 100
IC9501 and peripheral circuits
of IC9501 (MAIN PWB)?
are out of order.
YES
NO
YES
Is the potential 0V at Pin 2 of
Is 5V available at Pin 14 of
IC9505 and peripheral cir-
IC9505 (MAIN PWB)?
IC9505?
cuits are out of order.
YES
NO
Failure in the periphery of the
A
PDP module circuit.
Go to 1-1. “No power available” (P. 2).
(Caution) How to reset the alarm:
• Turn the power circuit [ON], with the input changeover key of the product kept pressed. In this state,
keep on pressing the input changeover key for more than 2 seconds.
Summary of Contents for PlasmaSync 50MP1
Page 1: ...USE THIS SERVICE MANUAL WHEN SERVICING Model PLA 50V1 ...
Page 10: ...PlasmaSync Plasma Monitor User s Manual NEC Technologies ...
Page 64: ...TROUBLESHOOTING 4 1 ...
Page 80: ...METHOD OF ADJUSTMENTS 5 1 ...
Page 98: ...CIRCUIT DESCRIPTION 6 1 ...
Page 113: ...METHOD OF DISASSEMBLY 7 1 ...
Page 134: ...PACKAGING 8 1 ...
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Page 147: ...PART LIST 9 1 ...
Page 158: ...CONNECTION DIAGRAMS 10 1 ...
Page 160: ...BLOCK DIAGRAMS 11 1 ...
Page 163: ...SCHEMATIC DIAGRAMS 12 1 ...
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