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1-32 (No.PA019)
5.2.2 Mearsures during abnormality
In event of the following be sure to disconnect the power cord from the AC outlet, and reset the projector mode.
No. Abnormality Mode Measure Mode Cause
1 Lamp dose not light → Again supply power (press OPERATE button) OK Lamp lighting failure
NG Check lamp use dose not exceed 2000 hours YES Lamp use inhibited
NG Replace lamp unit OK Lamp defective
NG Replace LAMP BALLAST unit OK Igniter circuit faulty
2 Lamp extinguishes during
projection
→ Revise installation mode (protect from shock,
vibration, etc)
OK Installation mode (environment)
unfavorable
NG Replace lamp unit OK Lamp defective
Lamp use time exceeded → Replace lamp and reset the lamp use time OK Lamp use inhibited
3 Sub CPU operation faulty → Again supply power (press MAIN POWER
button)
OK Circuit operating error
NG Replace MAIN PWB ASS'Y OK Sub CPU failure
4 DD circuit operating faulty → Again supply power (press OPERATE button) OK Circuit operating error
NG Replace MAIN PWB ASS'Y OK Device drive circuit failure
5 Decoder operation faulty → Again supply power (press OPERATE button) OK Circuit operating error
NG Replace MAIN PWB ASS'Y OK Video process circuit failure
6 Video system data
initializing error
→ Again supply power (press OPERATE button) OK Operating (loading) error
7 Internal temperature
abnormally high
→ Avoid obstructing ventilation openings (intake
and exhaust)
OK Circuit error or other fault
NG Replace MAIN PWB ASS'Y OK Defective sensor and detection circuit
8 Out side temperature
abnormally high
→ Ambient temperature of the unit should be
mode into specification within the limits
OK Circuit error or other fault
NG Replace MAIN PWB ASS'Y OK Defective sensor and detection circuit
9 Cooling fan stopped → Reinstall 713 connector OK Connector installation defective
NG Reinstall 705 connector OK Connector installation defective
NG Reinstall 706 connector OK Connector installation defective
NG Reinstall 707 connector OK Connector installation defective
NG Reinstall 714 connector OK Connector installation defective
NG Replace cooling fan OK Cooling fan defective
10 Confirmation of DVI
activation
→ Temporarily disconnect power from projector
and PC. After making sure that DVI cable has
been properly connected, turn on power of
projector and PC, in turn.
OK Improper connection of DVI cable
Wrong order of power on (Correct
order : 1. Projector 2. PC )
NG Confirm that output of DVI terminal at graphic
board of PC has been set properly.
OK Improper setting of PC (DIV output)