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+5VD
IC109-1




( )
R170
C105
( )




C114
+24VA




( )




) C131
6 R157 R165




Not Used
7 R103 R105 1 8 2 +5VA R127 R145




(
5 R109 +12VA ( ) ( )




PC103
( ) ( ) ( ) ( ) 1 4




R121
3 ( ) Q106
R128




( )




( )




)
IC109-2




C107
4 C164




C154
C103




R150
)
( )
( )




( )

( )

)
2 3




C112


R107
6.8k ( )




10k
) (
(
Q101 C133




R125
K0.0082u




(
R110
( )
R146




)
J106
IC110-1




(
Q102 (1)




C106
( )
C101



+24VA
)



R130
T101




(
6




C115
Q103 ( )




( )
(




2 8 R104 R106 7
R101 R102 1
( ) ( ) 5 8 1
( ) ( ) 3 4 ( )
IC110-2
7 2
C104 6 3 +5VD



C108
( )




( )
5 4
C102




R113 R115 C127 R123 C153
Not Used ( ) ( ) 1 5 (2)
110k 56k 50V 4.7u R166




C141
( )
R137




5.6V C148 5.6V
2 3 1k




R156
D107




15k
C119 C121 C129




C156
( ) 4 1




( )
J180p PC106




( )
K0.1u
2.0V +24VA 3 2




C142
D109




R138
( )

680
C226
Q105 R153




D108
IC101-1 Q108




C166 R168
( )




( )
R162
HANDSET, SP-PHONE C113 J103 8 2




)
1 5.6k
FAX RX 3 R116 C128 R124
Z2.2u ( ) ( )




(
C117 4




(




16V 10u




R167
D102




( )
5.6V




56k C130 R134 R136




C157

C159
( )




)
Z0.1u ( )
C221 C122 K0.1u 15k ) (
( ) C138 C143 Q107
( ) ( )
D110 D112 J151
) ) ( (
(3)
D111
J180p
R114




+5VD
C116



110k



+12VA D103 D104 2.0B
( ) ( ) R155 C162




R139
) ( )
C126 R151 220 k0.033u
C136 4.7k
J68p 50V 4.7u R158
R111 R118 R122 4 1
PC107 220
47k 36k 180k Q104 3 2
C124




(
C110 R108 R112 ( )
( ) ( ) 6
7
K0.1u 5
( )
C220




IC101-2

R163
( ) (4)
12V
(5)
HANDSET
FAX TX




(6)
EX-HOOK1
SIDETONE




P-SHORT
DTMFIMP




HS-ALC




CN101 (7)
HOOK




MPOS




SPMUTE




EX-HOOK1 1 EX-HOOK1
BELL (8)
BELL 2 J160
LINERLY (9)
LINERLY 3
DCN 4 DCN
SPMUTE (10)
SPMUTE 5 J159
HOOK (11)
HOOK 6
MPOS 7 MPOS
+5VD +5VD 3 1
LINERX 8 FLT106 2 4
LINETX 9 R135 R142 Not Used
SPOUT 10 4.7k 4.7K
L121 +5VA
SW101 R141 SW102
HSTX(+) 11 R131 3 1 3 1
HSTX(-) 12 2 4 4 2
C146
K0.01u
C135




100 100
K0.01u




R172

R175
150k
R159




+24V +5VA
10K




HSRX(+) 13
0




L122 IC102
HSRX(-) 14 1 CD VIN2 8 CN105
+24V
+24V 15 R230 2 FC2 GND 7 1 SP[+]
+5VA 16 Q124 10k 3 FC1 VCC 6
Q125 2 SP[-]
)




R160

C163




AG 17
50V 4.7u
C165
( )




( )

( )




4 VIN VIN1 5
J153
J101
( )




110k
J680p




J102+5VD
J680p
)




+24VA
C168
50V 10u




C225
R176

C224
(




R169
CN106 +5VA +5VD
C223




+5VD 1 10k
(
R144 R143
10K




+12VA C161 R164 C167
DG 2
10K C152

C155




J104
( )
(
K0.1u




K0.1u




C222
C145
C139




K0.018u 15k
C144




C147
(




(




K1000p
50V 10u




MONRX 3
Z0.1u
C149

C150
Z0.1u




J105
)




EX-HOOK2
)




)




EXHOOK2/CSI(I) 4
BREAK
BREAK/CSO(O) 5
C-ID
E-RECALL(O)/CCLK(I) 6
HS-ALC
HS-ALC/CBUSY1(I) 7
P-SHORT
P-SHORT/CBUSY2(O) 8
DTMFIMP
DTMPIMP/CRESET(O) 9
SIDETONE
SIDETONE/S-ENB(O) 10
R173 R178
( ) ( )
Q112
( )
Q110
( ) FAX TX Signal
FAX RX Signal
R171 R181
( ) ( ) ( )
Q109
(1)
C170
C178 R190
( ) ( ) C186
( )
+5VD J109 C187
D118 ( ) TO TEL LINE
Q116 L101 J121 L105 F101 CN102
(2) ( ) 1 4