
-7-
The projector provides 2 temperature sensor ICs, 1 thermistor, and 1 wind sensor on the intake duct. These devices
are monitoring the surrounding temperature of the lamp, panel and intake duct, and the wind sensor is monitoring
airflow passed through the air filter in the intake duct.
- Room temperature sensor A (TH901) (around the front cabinet)
- Internal temperature sensor B (IC8841) (around the lamp house)
- Internal temperature sensor C (IC8871) (around the panel/prism)
- Wind sensor D (S901) (intake duct)
Circuit Protections
IC8871 on the Panel
sensor board
TH901
Thermistor
the projector is shut down and the WArNING teMP. in-
dicator is blinking red.
When the temperature inside the projector reaches a certain
level, the projector will be automatically shut down to protect
the inside of the projector. The POWER indicator is blinking
while the projector is being cooled down. When the projector
has cooled down enough (to its normal operating tempera-
ture), it can be turned on again by pressing the ON/STAND-
BY button.
✔
Note:
• The WARNING TEMP. indicator continues to blink even after
the temperature inside the projector returns to normal. When
the projector is turned on again, the WARNING TEMP. indi-
cator stops blinking.
WARNING TEMP.
blinking red
Led indicators
Temperature sensors, wind sensors
IC8841 on the Main
board (behind)
S901
Wind Sensor
Summary of Contents for PLC-WTC500L
Page 102: ... 102 IC Block Diagrams NJW1141 Audio Selector IC5111 L3E07111 LCD DRIVE DIGITAL GAMMA IC401 ...
Page 103: ... 103 IC Block Diagrams M62393 DAC IC7971 NJM2671 Motor Controller IC7601 ...
Page 104: ... 104 IC Block Diagrams PIC16LF819 PIC IC4501 PW392 Scaler IC301 ...
Page 105: ... 105 IC Block Diagrams PW610 Keystone IC2301 TE7783 I O Expander IC4801 ...
Page 106: ... 106 IC Block Diagrams TPA3123 Audio Output IC5051 ...
Page 160: ... KV5AL Jun 2009 DC 200 Printed in Japan SANYO Electric Co Ltd ...
Page 172: ...A12 SCH_KV5AL NO DATA ...