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C127
11
RELAY
10
LINERX
10
10
Analog Front End
(IC5)
Downloaded from
www.Manualslib.com
R113
C109
C107
R112
R104
6
7
R102
IC101
5
R110
R107
C111
R111
C113
R109
R108
C105
IC103
R106
C112
A
CN102
CN9
Digital Board
IC6
11
10
MTX ENB
MOM RX ENB
TEL RX ENB
H/STX
MUTE
H/SRX ENB
VOL
ASIC (IC1)
MODEM
manuals search engine
R9
Q6
R14
R11
R15
Q4
C8
R12
Q7
R103
R13
C9
T101
R105
PC1
C106
LINETX
D4
1
C117
Analog Board
R117
C126
4
3
1
2
To
A
IC103
C214
R217
R212
C212
8
H/STX
C220
PC2-3
R214
Q202
R206
R208
R209
10
H/SRX
C234
R216
C209
Q203
IC102
SPEAKER
CN101
SP AMP
9
SPOUT
CN202
SP-MUTE
5V
PC2
R8
C7
Q202, Q203
D1
RLY1
5
LF1
6
7
4
+5VD
3
2
+24VD
RLY1
BREAK
Q3
Q2
T102
C116
C14
R116
C13
C12
R19
CN201
R205
C207
L201
L204
L202
R204
C206
L203
C205
Q201
R207
R234
HOOK-IN
SW202
R235
C229
CN1
F1
a
SA1
b
POS1
SA2
RELAY
CN2
L5
a
R16
L6
b
R18
BELL
PC5
HANDSET
R232
PAPER
SW201
R233
C228
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