3
(1) Flashing in green (Fan error detected)
NO
NO
Does the fan run when the
Is the power supply (7 to 12V)
IC9802 or IC9802 and pe-
main power circuit is turned
available at Pin 1 of P0F1,
ripheral circuits are out of
ON?
P0F2?
order.
YES
YES
YES
Is 5V available at Pin 3 of
The fan is out of order,
P0F1, P0F2?
where 5V is available.
Since this voltage becomes
NO
0V when the power supply is
turned off, this check should
be carried out after connect-
ing a circuit tester in advance.
NO
NO
Is +5V available at Pins 13 to
Is 5V available at Pin PN3?
Failure in the POWER
16 of IC9805?
unit or in another IC that
uses A+5V.
YES
YES
IC9805 and its peripheral
IC9805 or IC9805 and peripheral
circuits are out of order.
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.
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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