Hitachi CP-SX1350W Service Manual page 13

Power can not be turned on
Are voltage
input on the PWB
assembly Drive at
standby mode?
Not light
PWB assembly Drive
CP-SX1350(P5SX+)
NO
E800 : +16.5V
1
E800 : +15V
4
YES
E800 : +4V
6
E800 : +6V
12
What is the state of
LAMP indicator
DK52?
Blinks
Is the LAMP COVER
set?
OK
Is the LAMP
connection?
OK
Is the
voltage at pin and
1
of E807 same?
1 2
NO
PWB assembly Limit SW
13
Disconnect
TSW from Power unit
(circuit). And check
TSW short or
open?
Short
Power unit (circuit)
on Power unit (circuit)
Lights
Lamp
Power unit (ballast)
NG
Set the LAMP COVER
NG
Set the LAMP again
YES
2
PWB assembly Drive
, : +15V
Open
TSW
Fuse