Toshiba TLP-X4500 Service Manual page 14

Power can not be turned on
Are voltage
input on the PWB
assembly Drive at
standby mode?
YES
Not light
PWB assembly Drive
TLP-X4500(P5XMLA)
Disconnect
TSW from Power unit
NO
(circuit). And check
TSW short or
E800 : +16.5V
1
E800 : +15V
4
E800 : +4V
6
E800 : +6V
12
Power unit (circuit)
Lights
What is the state of
LAMP indicator
DK52?
Blinks
NG
Is the LAMP COVER
set?
OK
NG
Is the LAMP
connection?
OK
Is the
YES
voltage at pin 1 and 2
of E807 same?
1 2 , : +15V
NO
PWB assembly Limit SW
13
Open
open?
Short
Fuse
on Power unit (circuit)
Lamp
Power unit (ballast)
Set the LAMP COVER
Set the LAMP again
PWB assembly Drive
TSW