-5-
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-OFF
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 pro-
jector cannot be turned on. When the projector is cooled down
enough and the temperature returns to normal, the POWER indi-
cator emits a red light 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. Check power supply circuit and fans control circuit.
Summary of Contents for PLC-XU75A
Page 58: ... 58 IC Block Diagrams FA5502 P F Control IC621 HIN202EIB RS 232C Driver IC3801 ...
Page 60: ... 60 IC Block Diagrams L3E01060 Level Shift IC2501 IC2531 IC2561 PW190 Scaler IC301 ...
Page 61: ... 61 LM4889 Audio Output IC5031 STR Z2156 Power OSC IC641 IC Block Diagrams ...
Page 87: ...KZ3 XU75A00 ...
Page 88: ... KZ3AD FEB 2009 DC 200 Printed in Japan SANYO Electric Co Ltd ...
Page 100: ...A12 PCB_KZ3AD NO DATA ...