INF - 23
B
A
When power condition is changed to ON, is each
fan motor rotating ?
Check the each FAN's (Function and Connection)
■ Light source does not turns ON.
Confirm the connection of each connectors. Connect properly.
Confirm the fuse. ⇒ F9701
Follow the section "D-PCB operation checks".
■ Projection image does not output.
Confirm the connection of each connectors. Connect properly.
Input signal is other than black, confirm image.
Confirm the each temperature sensor. Check the each temp. sensor's (Function and Connection)
When power condition is changed to ON, check the
rotation noise of phosphor wheel.
Check the phosphor wheel (Function and Connection)
P
・Check short-circuits of P2 connector pin 1-3.
( DC390V±20V )
・Check short-circuits of P2 connector pin 4-3.
( DC16V±2V )
No display of DVI-I (Digital) input Follow the section "DVI-I (Digital) input checks".
No display of HDMI input Follow the section "HDMI input checks".
No display of DIGITAL LINK input Follow the section "DIGITAL LINK input checks".
No display of VIDEO input Follow the section "VIDEO input checks".
No display of COMPUTER input Follow the section "COMPUTER input checks".
No display of DVI-I (Analog) input Follow the section "DVI-I (Analog) input checks".
No picture is displayed.
OK
NG
NG
OK
OK
NG
NG
OK
①
OK
②
NG
NG
OK
NG
OK
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