Service manual

FO-90AAR
6 – 10
TEL/LIU PWB circuit 2/2
1
2 6
4
3
5
BDEFG
I
HCA
BDEFG
I
HCA
1 2
6
4
3
5
+5V
DPON
CNLIUB-3
DPMUTE
CNLIUB-4
E-RLY
CNLIUB-5
R119
470
PC1
TLP627
Q105
RNC1402
DG
Q106
RNC1402
DG
Q108
DG
R120
470
R121
PC2
TLP521
PC4
CI
CNLIUA-4
R122
100K
DGDG
C110
0.1
PC5
TLP521
HS
CNLIUA-5
R136
DGDG
C119
PC3
N.M.
N.M.
RHS
CNLIUA-6
DG
CNHS-1 CNHS-2
SW1
HOOK SW
CNLIUA-10
+5V
CNLIUA-11
DG
CNLIUA-12
+24V
R118
100
C13
100/50
C12
100/50
C117
0.1
C118
0.1
+5VA
DG
+24VA
R135
1K
CNLIUA-9
CML
D4
1SS133
DG
Q104
RNC1402
CML
NOTE: These marks are all satety-cirtical parts.