-60-
Check the indicators for projector condition.
• • • green.
• • • red
• • • off
• • • blinks green.
Q
When the life of the projection lamp draws to an end, the LAMP REPLACE indicator lights yellow. When
this indicator lights yellow, replace the projection lamp with a new one promptly. Reset the lamp replace-
ment counter after replacement of the lamp.
Indicators and Projector condition
• • • blinks red.
troubleshooting
Indicators
Projector condition
PoWer
red/green
WArNING
red
LAMP
rePLAce
yellow
The projector is off. (The AC power cord is unplugged.)
Q
The projector is preparing for stand-by or the projection lamp is
being cooled down. The projector cannot be turned on until cool-
ing is completed.
Q
The projector is ready to be turned on with the POWER ON/
STAND-BY button.
Q
The projector is operating normally.
Q
The projector is in the Power management mode.
Q
The temperature inside the projector is abnormally high. The
projector cannot be turned on. When the projector is cooled
down enough and the temperature returns to normal, the
POWER indicator lights red and the projector can be turned
on. (The WARNING indicator keeps blinking.)
Q
The projector has been cooled down enough and the
temperature returns to normal. When turning on the projector,
the WARNING indicator stops blinking. Check and clean the
air filters.
Q
The projector detects an abnormal condition and cannot be
turned on. Unplug the AC power cord and plug it again to turn
on the projector. If the projector is turned off again, unplug the
AC power cord and contact the dealer or the service center
for service and checkup. Do not leave the projector on. It may
cause an electric shock or a fire hazard.
Summary of Contents for PRM-20
Page 68: ... 68 IC Block Diagrams MP2106 DC DC Converter IC5821 IC5861 FA5502 P F Control IC621 ...
Page 71: ... 71 IC Block Diagrams LM4889 Audio Output IC5031 NJW1156 Audio Control IC5001 ...
Page 74: ... 74 LAN9118 LAN Driver IC8801 IC Block Diagrams MC9328MX21 System Control of Network IC8301 ...
Page 103: ...KM5 2000 KM5 20 S 00 103 ...
Page 104: ... KM5YC KM5ZC January 2009 DC 200 Printed in Japan ...
Page 116: ...A10 SCH_KM5YC SCH_KM5ZC NO DATA ...