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R289 NC +5VA R281 +5VA R277 ( ) NC +5VA R275 ( ) NC +5VA R170 ) NC R264 ) NC C315 ( ) NC R169 +5VA R159 39K 1/4W Q114 ( ) D117 ( ) NC NC C158 16V220u R163 47K R162 4.7K
FAX TX FAX RX
2 1 C157 K680p C156 K680p J178 0 R101 ( ) NC C109 J180 NC 50V4.7u R261 220 1/4W C134 NC K0.033u J175 NC J177 0 ZNR101 120V JJ103 ( ) NC 1 LF101 3 2 4 L101 JJ101 ( ) NC JJ102 ( ) NC L102 ) D107 3 4
C310 ( ) NC
R278 ( ) NC R276 ( ) NC C311 ( ) NC
IC104
E NC
B
K
(
Q115 NC
E
K
C159 R199 ( ) NC
16V10u
A
C316 ) NC
Q106 R168 D111 E ( ) 6.8K NC C123
PC105 K NC
Z0.1u
C160
R280 NC ( ) C312 NC ( ) R279 ( ) NC 5
10K
R167
0
15K
PC106 R266 ( ) C A NC
R265 ( ) NC
)
(
R263 ( ) NC
C
( A
8
7
6
C
A PC103
R161 ) 15K
D108 D116 ( ) NC )
(
C115 +5VA K390p R118 56K 8 7 6 2.2K 5 R125 56K R112 56K C118 C182 ( ) NC R191 D102 0 K0.1u C112 K0.1u T101
R197 ( NC R160 15K C136 ( NC C191 ( NC
NC 1
2
3
4
Q104
16V10u R198 ( ) NC
6 5.6V 5.6V C110 4 K0.01u
SA101
1 2 3
TO TEL LINE
310V CN102 1 1 2 2 POS101 SA102 1000V L211 TH1 NC
R268
C135
Z0.1u IC103
B
1K 1/4W
C183 ( ) NC R110
D103
R114 1 2 3 4 J150p 0 C113 ( ) NC R119 110K C116
R113 15K C184 ( ) NC
R141
R115
+2.0V R282 C306 2.2K
2.7K R117 ) NC
K0.012 R116
CPC 50V4.7u C117 R166 ( ) NC 10K 1/2W
K390p R271 39K C305 R272 12K
C114
4.7K
2V
AK PC104 KA
E +24V1 RL101 D106 2
R201 ( ) NC
Q105 NC ( DTMFIMP P_SHORT (
Q107 NC
K6800
R104
)
)
Q103
TO DIGITAL BOARD
CN201 DCN 1 P_SHORT 2 CPC 3 ALC 4 +5VA 5 AG 6 C_IN 7 LINERX 8 LINETX 9 SPOUT 10 DTMFIMP 11 +24V 12 BELL 13 LINERLY 14 SPMUTE 15 CH_CTL 16 CHARGE 17
+24V1 +5VA R202 1K
JJ109 0 +5VA BELL D109 D110 ) ( )( NC NC R142 C101 250V1u 39K
C510 NC R283 0 LINETX
12V
PC102
C E
AK KA R103 47K 1/2W
1
L103 +8V
(
C
2.2K
T102 3 2 5 1 NC 4
J179
A
J176 0
4 RL101 5 3
+5VA
JJ104 ( ) NC
+5VA R248 560 L213 100 1/2W C231 K0.01u 22K Q231 22 R238 R247 D253 D254 L214 NC +5VA R135 C501 AG R157 10K K0.01u C502 R269 +8V K0.01u C505 ( ) NC F302 NC C503 0 JJ111 ( ) NC JJ112 ( ) NC FG AG 10K C167 ( ) NC C168 Z0.1u C170 ( ) NC C172 ( ) NC C171 ( ) NC +2.0V +5VA R185 R136 10K 150K R186 TO SPEAKER CN105 1 1 SP(+) 2 2 SP(-) R284 R287 2.7K 0 Q111 10K
CH(+) CH(-)
Q233 22 R244 22 R245 22 R243 C127 ( ) NC R242
K0.01u
SPMUTE
IC102 1 CD 2 FC2 50V4.7u 3 FC1 4 VIN R134 VO2 8 GND 7 VCC 6 VO1 5
+5VA
+24V1 1K 2W BR1 R285 1K 2W BR2
BR3
BV 1K 2W
C509 ( ) NC C508
6.3V47u R270
0.50A
R156 ( ) NC C129 ( ) NC C130
F301
6.2K
K680p C155
C301
8V 3 GND 2 GND 1 CN109
FG C131 AG K0.027u R133 15K
C133 ( ) NC
K680p
110K C154
R137
Z0.1u
10K
Q234 Q235 R288 100K
R290 NC
C132 K1000p
DG
FG
KX-FPG376 / KX-FPG377 : ANALOG BOARD SCHEMATIC DIAGRAM
R286
D231 ( NC J113 0
Q232
R172
)