Sharp UX-B20 - Page 79

UX-B20U/UX-B20C/B25C
6 – 13
3. LIU PWB Circuit (3/3)
5 5
4 4
3 3
2 2
1 1
D D C C B B A A
DG
+5V
DG
DG
Vref A
+24VA
Vref B
DG
+24VA
DG
+24V
+24V
+5V
DG
DG
DG
Vref A
DG
DG
DG
+5V
FG
CNLIU-4 CNLIU-3 CNLIU-2 CNLIU-1
CNLIU-5
CNLIU-15
CNLIU-14 CNLIU-11
CNLIU-10
+5V
DG DG
CML
Ci
+24VHS-
RHS-
DPON
R123
1k
R16
100(1/2W)
PC3B
PS2501A-1
43
R18
JP(1/4W)
R124
N.M.
PC4B
CML1B
A5X-G-24E-908
C111
0.1u
+
C15
100u/50V
C120
N.M.
R17
R104
+
C3
22u/50V
C134
N.M.
PH1
SG206
+
C8
100u/25V
REG1
N.M
Vout
1
GND
2
Vin
3
R9
R10
1k(1/4W)
C101
1000p
PC2A
N.M.
N.M.
21
C117
R4
220(1/4W)
D1
1N4148
PC1B
43
C143
0.1u/16V(k)
Q102
RT1N436C
BC
E
D101
C133
ZD11
Q101
BC
E
+C9
47u/16V
IC101E
LM2902
411
C121
N.M.
N.M.
LIU PWB Circuit
3/3
NOTE:
This mark indicates a safety-critical part(s).