Sanyo PLC-WU3800 Service Manual

-6-
Circuit Protections
CAUTION
DO NOT LEAVE THE PROJECTOR WITH THE AC
POWER CORD CONNECTED UNDER AN ABNOR-
MAL CONDITION. IT MAY RESULT IN FIRE OR
ELECTRIC SHOCK.
LED indicator
WARNING
lights red
Warning temperature and power failure protection
The projector will be automatically turned off when the internal temperature of the projector is abnormally
high, or the cooling fans stop spinning, or the power supplies in the projector are failed.
The projector is shut down and the WARNING indicator 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 and the WARNING and POWER indicators start blinking. When
the projector has cooled down enough (to its normal operating temperature), the POWER indicator stops
blinking and lights red, The projector can be turned on again by pressing the ON/STAND-BY button.
4 Note:
The WARNING indicator continues to blink even after the temperature inside the projector returns to nor-
mal. When the projector is turned on again, the WARNING indicator stops blinking.
Check items
- Remove dust around the air filter.
- Ventilation slots of the projector are blocked. In such an event, reposition the projector so that ventilation
slots are not obstructed.
- Check if projector is used at higher temperature place (Normal operating temperature is 5 to 35 ˚C or 41
to 95˚F)
The projector is shut down and the WARNING indicator lights red.
When the projector detects an abnormal condition, it is automatically shut down to protect the inside
of the projector and the WARNING indicator lights red. In this case, unplug the AC power cord and
reconnect it, and then turn the projector on once again to verify operation.
WARNING
DO NOT LEAVE THE PROJECTOR WITH THE AC POWER CORD CONNECTED UNDER AN
ABNORMAL CONDITION. IT MAY RESULT IN FIRE OR ELECTRIC SHOCK.
4Note:
- If the WARNING indicator lights red, it may defect the cooling fans or power supply circuits. Check fans
operation and power supply lines referring to the chapter “Power supply & protection circuit” and "Fan
control circuit" in the Chassis Block Diagram section.
POWER

Sanyo PLC-WU3800 Specifications

General

Matrix size	0.59 \
Projection distance	0.99 - 12.1 m
Vertical scan range	50 - 100 Hz
Horizontal scan range	15 - 100 kHz
Projection technology	LCD
Contrast ratio (typical)	500:1
Screen size compatibility	40 - 300 \
Projector native resolution	WXGA (1280x800)
Keystone correction, vertical	±40 °
Audio input	2
Aspect ratio	16:10
Network ready	Yes
Power supply type	AC
Dimensions (WxDxH)	335.7 x 257.5 x 93.6 mm
Connectivity technology	Wired
Focus	Manual
Digital zoom	16 x
Focal length range	19.2 - 30.2 mm
Noise level	35 dB
Noise level (economic mode)	31 dB
Dot clock scanning frequency	140 MHz
Lamp type	NSHA
Lamp power	275 W
Light source type	Lamp
Service life of light source	2500 h
Service life of light source (economic mode)	3000 h
DVI port	No
Composite video in	-
Serial interface type	RS-232
USB 2.0 ports quantity	0
Supported video modes	1080i, 1080p, 720p
Analog signal format system	NTSC, NTSC 4.43, PAL, PAL M, PAL N, SECAM
Supported graphics resolutions	1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 800 (WXGA), 1400 x 1050 (SXGA+), 1600 x 1200 (UXGA), 1920 x 1200 (WUXGA), 640 x 480 (VGA), 800 x 600 (SVGA)
Product color	White
AC input voltage	100 - 240 V
Power consumption (standby)	0.7 W
Power consumption (typical)	317 W
Power consumption (PowerSave)	280 W
Cables included	VGA

Weight and Dimensions

Depth	257.5 mm
Width	335.7 mm
Height	93.6 mm
Weight	3500 g