Intermec EasyCoder 501 Service Manual page 124

17.2 Overview, cont.
P-300
4
AC/DC
CONVERTER
3
2
1
AD-VIN
VOLTAGE
VIN OK
WATCH DOG
THRESH
Intermec EasyCoder 501 – Service Manual Ed. 7
The main operating principles of the power supply hardware on
the CPU board are illustrated by the following diagram. For a
detailed circuits diagram, refer to Chapter 17.6:13.
DC/DC
CONVERTER
33 V
DC/DC
CONVERTER
24 V
DC/DC
CONVERTER
5 V
RESET
Chapter 17 CPU Board
DC/DC
CONVERTER
40 V
P-302
Battery &
Battery charge
circuit
P-303
1
2
V24
V40
V24-EN
D-308
+5V
VEE
AD-CHARGE
RESET
/RESET
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