Fluke 732B - Page 64

732B/734A
Instruction Manual
4-10
TO A4
OVEN
ASSEMBLY
AC LINE
FILTER, FUSE,
AND
SWITCH
OVERVOLTAGE
PROTECTION
RAW DC
BRIDGE
RECTIFIER
BATTERY
CHARGER
BATTERY
CHARGER
LED
CIRCUIT
LOW BAT
LED
CIRCUIT
– 6V
SUPPLY
+11.5V
PREREGULATOR
AC PWR
ON LED
DRIVE
IN CAL
LED
CIRCUIT
BATTERY
+11.5V
LOW-DROPOUT
REGULATOR
TO A1 FRONT PANEL ASSEMBLY
FROM
A4 OVEN
ASSEMBLY
BATTERY
TO A4 OVEN ASSEMBLY
AC
INPUT
RELAY
k18f.eps
Figure 4-3. A5 Power Supply/Battery Charger Block Diagram
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