Block Diagram - Philips PCL304 Service Manual

8.2.3 Block diagram
8 v4
Q 1,3,4,6,7
(Power oke)
BATTERY MAIN
CHARGER BATTERY
VA
(ADAPTER)
|
+5U +-S%
DC TO DC
CONVERTER
Q 21
UtS
REGULATOR :
-13U%-21U
| CONVERTER
| UDD
Q 10,11,12 | VEE
CONTROLLER |
Q 18,19, 36,37
Q 33,34,U10 _
15U
DC TO DC
' CONVERTER
45 770 Alz.
8-31
CS 55 847