Christie D Series Service Manual page 16

Power cannot turn on.
Is
voltage
supplied at pins (5) and
(7) of E800 on the MAIN
PCB?
(5): +14.3V
(7): GND
YES
Is
voltage
supplied at pins
(1) and (3), (9) and (19),
(20) and (19) of E800 in
standby
mode?
(1) +16.8V (Normal STBY)
0V (Saving STBY)
(3) GND for (1)
YES
(9) +5.4V
(19) GND
(20) +16.8V
Is
the LAMP
indicator (DY03)
YES
Measure
the resistance*
between pins (1) and (2) of
E813 with the harness
disconnected.
0
Replace MAIN PCB.
LWU701i/LW751i/LX801i/LWU601i/LW651i
Service Manual
LWU701i / LW751i / LX801i / LWU601i / LW651i
*: Be sure to unplug the power cord before measuring resistance.
Measure
NO
resistance* between
pins (5) and (7) of
E800.
Disconnect
TSW (CNTS) from
POWER UNIT CIRCUIT,
and measure the
resistance.
Replace TSW (thermal switch).
Measure
the resistance*
NO
between pins (1) and (3),
(9) and (19), (20) and
(19) of E800.
Replace POWER UNIT CIRCUIT.
NO
Go to the next page.
the LAMP
DOOR SW PCB.
Open
Measure the resistance
between the terminals of the
switch while the lever
of the switch is
closed.
Replace LAMP DOOR SW PCB.
15
Replace MAIN PCB.
0
Replace POWER UNIT CIRCUIT.
)
0
Replace POWER UNIT CIRCUIT.
Open
Replace MAIN PCB.
0
Replace POWER UNIT CIRCUIT.
Open
Re-attach LAMP DOOR.
0
Replace LAMP DOOR.
Open
or
or
or
020-000793-01
LIT MAN SERV D2