Panasonic PT-RZ470 Series Service Manual page 30

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