FO-2970MU
6 – 12
1
2
6
4
3
5
BD
E
F
G
I
H
C
A
1
2
6
4
3
5
BD
E
F
G
I
H
C
A
CNLUA
+24V
1
2
3
4
5
6
7
8
9
10
11
12
DG
+5VA
CML
CI
HS
RHS
TXOUT
RXIN
TELMUTE
TELOUT
TELIN
CNHS1/2
RHS
1
2D
G
–
+
–
+
R6
4.7(1/2W)
L1
EL0909RR-102K-2
C5
0.01
C105
3300P
JP5
L7
N.M.
JP6
L8
N.M.
C9
4.7/50
C112
2200P
N.M.
VA3
TNR07G101K
ZD5
1ZC27
R101
13K
Q1
BS108
R4
15(1/2W)
C1
10/50
ZD4
MTZJ6.8B
R102
10K
R5
15(1/2W)
D
G
S
–
+
~
~
1
2
4
3
DB1
0R5G4B42
B
C
E
C
B
E
1
2
TIP
RING
MJ1-3
MJ1-4
AR1
RA-391P-V6-2
1
2
1
2
ARG
VA2
ERZVA5D471
VA1
ERZVA5D471
L2
R-5C
L3
R-5C
R2
30
ZD1
RD2.2FB2
ZD2
RD2.2FB2
PC1
PC814X
CML
OUAZ-SH-124DZ
C
B
M
R7
22K
R3
22K
(1/2W)
D1
1SS133
AK
11
2
PC2
TLP521-BL
ZD3
HZ27-A
T1
TRTEP17-0411F
C2
2.2
C104
0.033
ZD7
HZ2C1
ZD6
HZ2C1
C7
4.7/50
R107
620
R108
47K
R111
51K
3
2
1
C106 560P
R112 36K
IC1
NJM2904D
+5VA
C111
1
R113
3.3K
CNLIUA-8
CNLIUA-9
TXOUT
RXIN
DG
R109
16K
VREF
MJ2-3
MJ2-4
EX TIP
EX RING
JP2
N.M.
L4
R-5C
JP3
N.M.
L5
R-5C
1
2
3
C100
0.1
CNHS2-1
CNHS2-2
SW1
HOOK SW
B
M
C
RHS
DG
CNLIUA-7
(1-3G)
RHS
CNHS1-1
CNHS1-2
DG
+24VA
A
K
D2
1SS133
CNLIUA-4
CML
Q102
DTC114EK
DG
CML
+24VA
CNLIUA-1
+24VA
CNLIUA-3
+5VA
+5VA
VREF
CNLIUA-2
DG
C6
22/50
R106
1K
R105
1K
C4
47/50
DG
CNLIUA-6
HS
3
4
DG
DG
C101
1000P
PC1
PC814X
CNLIUA-5
CI
3
4
DG
DG
C102
1000P
PC2
TLP521-BL
CNLIUA-11
TELOUT
6
5
7
IC1
NJM2904D
C110
2200P
R118
11K
C108
1000P
R114
3.3K
C107
C109
1000P
R117
1K
C11
2.2/50
VREF
C10
10/50
+5VA
R115
1.5K
R116
1.5K
C103
2200P
Q101
DTC114EK
MJTEL-1
TX+
MJTEL-4
RHS
TX–
(1-2B)
RX–
MJTEL-3
RX+
MJTEL-2
JP4
N.M.
L6
D3
D4
N.M.
+5VA
DG
R8
150
Q103
2SC2412KR
TELIN
CNLIUA-12
TEL MUTE
CNLIUA-10
DG
Q104
DTC114EK
C8
4.7/50
JP1
C3
0.82/250
DG
8
4
HOOK SW PWB(F3134)
DG
DG
DG
R1
91
DG
R110
0
N.M.
[2] TEL/LIU and Hook SW PWB circuit
1/1
Summary of Contents for FO-2970M
Page 70: ...FO 2970MU 6 10 Control PWB parts layout Top side ...
Page 71: ...FO 2970MU Control PWB parts layout Bottom side 6 11 ...
Page 73: ...FO 2970MU 6 13 TEL LIU and Hook SW PWB parts layout Top side ...
Page 74: ...FO 2970MU 6 14 TEL LIU and Hook SW PWB parts layout Bottom side ...