Service manual

UX-310DE
FO-730DE/NX-530DE
TEL/LIU PWB circuit 2/2
6 – 10
1
2 6
4
3
5
BDEFG
I
HCA
1
2 6
4
3
5
BDEFG
I
HCA
+5V
+24VA
R141
10
C126
0.1
C125
0.1
C12
47/25
SW1
HOOK SW
+5V
DG +24VA
CNLIUA-12
CNLIUA-13 CNLIUA-14
DG
CNLIUA-8
RHS
DG
CNLIUA-11
CML
+24VA
112
CML
D1
1SS131
CNLIUB-6
E-RLY
Q110
DTC114EK
DG
PC1
TLP627
R132
470
CNLIUB-5
DPMUTE
Q109
DTC114EK
DG
PC2
TLP521
R133
470
CNLIUB-4
DPON
Q108
DTC114EK
DG
PC3
TLP627
R131
470
CNLIUA-4
CI
+5V
R140
100K
C112
0.1
DGDG
PC6
TLP521
CNLIUA-5
HS
R129
C109
DGDG
PC4
+5V
N.M.
C11
22/50
Q102
DTC114EK
DG
R168
10
CNLIUA-6 CNLIUA-7
P-E
P-IN
R126
100
P-IN
SG-206
PE
SG-206
DG
DG
CNLIUB-2
RLYCNT
1
12
S-RLY
D2
Q101
DG
R165
R164
N.M.
CNLIUB-3
SIGMUTE
DG
Q107
DTC114EK
R162
R163
DG
A
N.M. SHORT
NOTE: These marks are all safety-cirtical parts.