Sanyo PLC-WXU300 - Lamp Control Circuit Diagram; Lamp Control Details

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Chassis Block Diagrams
IC301
SCALER
LAMP LP900
AC
SW902
THERMAL SW
LINE
FILTER
A901
LAMP
BALLAST
SW901
LAMP COVER-SW
CHO_RXD LAMP_DET
LAMP_DC_ON
CHO_TXD
IC9882
INVERTER
13 10
14 21
15 16
20
2 5 4 1 1 2
K8R K6R
K8H K8S
12
POWER-ON:L
POWER-ON:H POWER-ON:H
MAIN
POWER
Power
Control
LAMP_DET
439
257 249 142 27
IC4891
FANERR
4
1 2
LAMP_SCI
IC9885
SUB CPU
LAMP_PWM_A LAMP_PWM
7
PW_MASTER_SD0
8
PW_MASER_SDI
PW_MASTER_SCK
9
Lamp control