No Power (Lamp Control) - Christie LX605 Service Manual

Troubleshooting

No Power (Lamp control)

AC
Check that the LAMP_DC_ON
signal is correct.
Power: High
32
IC301
SYSTEM
154
PW_MASTER_SDI
CONTROL
&
251
PW_MASTER_SDO
SCAN
CONVERTER
41
PW_MASTER_SCK
<PW392>
LX505/605 Service Manual
020-000233-01 Rev.1 (12-2009)
SW902
THERMAL
PROTECTOR
K6B
K6AA
A902
POWER
LAMP_DC_ON
14
LAMP_SWIN
8
IC9885
7 15
SUB-MICON
CHO_TXD
<LC87F2G>
9
16
CHO_RXD
-69-
A901
K6A CJ1
LAMP
BALLAST
CJ2
K6R
1 5
1 5
K8R
POWER-ON:H
POWER-ON:H
IC1853
INVERTER
1 2
5 3
Q331
MAIN
LAMP
LP900
1 4
COVER SW.
SW901
LAMP COVER-SW
1 4 3 1
K8K K8B
Q1861
Check that the LAMP_SWIN
signal is correct.
Power-on: High