
17
17
HCD-SR1/SR2/SR3
HCD-SR1/SR2/SR3
2-5. BLOCK DIAGRAM — POWER SECTION —
(AC IN)
Q901
RESET SWITCH
FL+
FL-
VFL
12V
M12V
AC DET
AC ON/OFF
V CONTROL
+12V
6.2V
3.3V
E5.6V
TO FLUORESCENT
INDICATOR TUBE
DC/DC
CONVERTER
T801
RECT
D810,811
D813,814
OSC
Q802
IC901 (3/3)
SYSTEM CONTROLLER
A-3.3V
+5V
D5V
A5V
+10V
DA05V
2.5V
DA03V
+2.5V
+1.8V
+1.8V
E5.6V
SW1
D-SEN
(SW3)
SW2
(DISC IN/OUT)
(TRIGGER)
(CHUKING)
F-IN
R-IN
MTR+
MTR-
S701
S702
S703
M701
(LOADING)
M
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299