Sanyo PLC-XF30 Service Manual page 47

UNIT P.F.C., UNIT LAMP BALLAST
and IC BLOCK DIAGRAMS
UNIT P.F.C.
UNIT PFC
CN1B
AC-INPUT
AC 90V~264V
TEMP. SW
12V (+B)
RL12
PFC-2 ON/OFF
IC1801
I /O EXP.
PFC-1 ON/OFF
CN2B
UNIT LAMP BALLAST
UNIT LAMP BALLAST
K7B
UNIT P.F.C.
DC INPUT
DC380~400V
K7A
LAMP MONITOR
IC1801
H : Abnormality
I/O EXP.
LAMP ON/OFF
U20B34600
H: ON
H: ON
U20B39500/39800
STABILISER
( CHOPPER )
H : ON
MAINS ISOLATION
-55-
CN3B
PFC-1
CONTROL
FET
TEMP. SW
85˚C
CN4B
PFC-2
CONTROL
FET
TEMP. SW
85˚C
LAMP
IGNITER
DRIVER
TEMP.
SENSOR
85˚C
Output voltage.
At the time of a start :
At the time of stability : AC 85V typ. (70~100V)
Output Frequency : 88 Hz typ.
CONTROL
OUTPUT
DC 380V~400V
LAMP
BALLAST-1
BALLAST-1 ON/OFF
LAMP-1 MONITOR
LAMP
BALLAST-2
BALLAST-2 ON/OFF
LAMP-2 MONITOR
LAMP
K7C
ASS'Y
20KVp-p