Service manual

FO-4400U
FO-CS1
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
6 6
5 5
4 4
3 3
2 2
1 1
HEATER ON
HEATER-RELAY OFF
S3
INTERLOCK
SWITCH
[4] Power Supply PWB circuit 1/1
6 25