Sanyo PLV-WF20, Service Manual

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Maintenance
Lamp Management
This Projector is equipped with Projection Lamps to ensure brighter image and those lamps are controlled by the
Lamp Management Function. The Lamp Management Function detects the status of lamps and shows the status
on screen or on the LAMP 1/ REPLACE indicators. This function also automatically controls the Lamp Mode when
any of lamps is out for the end of life or malfunctions.
Projection Lamp lights normally.
Lamp 1/2 Replace Indicators
The LAMP 1/ REPLACE indicators light orange when any of Projection Lamps is nearing its end, and flash when
any of them becomes out. Check the number of lamp on the Lamp Status Display or the LAMP 1/ REPLACE
indicators and replace the lamp.
Yellow Lamp
Dim Lamp
X Mark on Lamp
Red Lamp
LAMP 1/2 REPLACE
INDICATORS
Projection Lamp is turned off.
Projection Lamp is nearing its end. When the image be-
comes darker or the color becomes unnatural, replace
lamp. (LAMP 1/ REPLACE indicator lights orange.)
(LAMP 1/ REPLACE indicator flashes orange.)
Projection lamp is defective or fails to be turned on. Re-
start the projector on, and make sure lamp is on. If this
mark still appears, replace lamp corresponding with num-
ber marked X.
LAMP STATUS
DISPLAY
Lamp Mode Changeover
The Lamp Management Function automatically changes the lighting lamp (Lamp Mode) by detecting the status of lamp. When
either of the lamps is out, the projector operates with 1 lamp. The Lamp Mode can be switched to lamps or 1 lamp manually.
Refer to the SETTING section on page 51
.
LAMP MODE
1 LAMP MODE
When Lamp is burnt out.
Lamp Status Display
The Lamp Status Display appears on screen when the projector is turned on or the input position (input 1, input ,
Input 3 or input 4) is switched. This shows the status of each lamp as; ON, OFF, NEAR END, or OUT. Refer to the
following for each status.
Lamp mode
When Lamp 1 is burnt out.