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M
TP421M
MWDC1
R207M
N.C
Q204M
Q203M
TP422M
R208M
N.C
DG
CN200
TP402M
L200M
TM
38
TP400M
ZNR22M
N.C
FG
TP403M
L201M
RM
13
TP401M
N
TP421N
TP423N
MWDC1
R207N
N.C
Q204N
Q203N
TP422N
R208N
N.C
DG
CN200
TP402N
L200N
TN
39
TP400N
ZNR22N
N.C
FG
TP403N
L201N
RN
14
TP401N
O
TP421O
TP423O
MWDC1
R207O
N.C
Q204O
Q203O
TP422O
R208O
N.C
DG
CN200
TP402O
L200O
TO
40
TP400O
RL202O
ZNR22O
N.C
FG
TP403O
L201O
RO
15
TP401O
P
TP421P
TP423P
MWDC1
R207P
N.C
Q204P
Q203P
TP422P
R208P
N.C
DG
CN200
TP402P
L200P
TP
41
TP400P
RL202P
ZNR22P
N.C
FG
TP403P
L201P
RP
16
TP401P
BELL1,BELL[8-15],HOOK[8-15],DIAG[8-15],DTMFR[8-15],EST[8-15],MW[8-15],VOUT[8-15],VREF_C3,VREF_C4
(1)
+15V
+15V
D201M
TP412M
R201M
TP423M
N.C
2
1
R204M
TP407M
N.C
2
9
RL203M
D200M
J202M
RL203M
m
4
TP411M
TP408M
3
2
TP409M
C200M
b
RL202M
ZNR20M
50V/10u
47V
C201M 50V/10u
ZNR23M
47V
R202M
FG
33K
ZNR21M
C202M
22V
b
25V/4R7
7
TP410M
5
6
R203M
RL202M
m
1K 1W
DG
+15V
+15V
R201N
D201N
TP412N
N.C
2
1
R204N
TP407N
N.C
2
9
RL203N
D200N
RL203N
J202N
m
4
TP411N
TP408N
3
2
TP409N
C200N
b
RL202N
ZNR20N
50V/10u
47V
C201N 50V/10u
ZNR23N
47V
R202N
TP414N
FG
33K
ZNR21N
C202N
22V
25V/4R7
b
7
TP410N
5
6
R203N
RL202N
m
1K 1W
DG
+15V
+15V
D201O
TP412O
R201O
N.C
2
1
R204O
TP407O
N.C
2
9
RL203O
D200O
RL203O
J202O
m
4
TP411O
TP408O
3
2
TP409O
C200O
b
50V/10u
ZNR20O
47V
C201O 50V/10u
ZNR23O
47V
R202O
TP414O
FG
33K
ZNR21O
C202O
22V
+5V
b
25V/4R7
7
TP410O
5
6
m
R203O
RL202O
1K 1W
DG
+15V
+15V
D201P
R201P
TP412P
N.C
2
1
R204P
TP407P
N.C
2
9
RL203P
D200P
J202P
RL203P
m
4
TP411P
TP408P
3
2
TP409P
C200P
b
50V/10u
ZNR20P
47V
C201P 50V/10u
ZNR23P
47V
R202P
FG
33K
ZNR21P
C202P
22V
25V/4R7
b
7
TP410P
5
6
R203P
RL202P
m
1K 1W
DG
TP413M
Q200M
C
B
E
DG
IC200M
15 T0
8
Vref
14 R0
7
A_IN
TP415M
6 T1
4
A_OUT
TP416M
5 R1
3
HOOK
9 RING
10
BELL
TP414M
TP417M
12 +30V
11
8
1
RLY
+30V
2 +5V
1
RL202M
DG
+5V
13
AG
D203M
C203M 0.1
C204M 0.1
AG
DG
TP413N
Q200N
C
B
E
DG
IC200N
15 T0
8
Vref
14 R0
7
A_IN
TP415N
6 T1
4
A_OUT
TP416N
5 R1
3
HOOK
9 RING
10
BELL
TP417N
12 +30V
11
8
1
RLY
+30V
RL202N
2 +5V
1
DG
+5V
13
AG
D203N
0.1
C203N
C204N
0.1
AG
DG
TP413O
Q200O
C
B
E
DG
IC200O
15 T0
8
Vref
14 R0
7
A_IN
TP415O
6 T1
4
A_OUT
TP416O
5 R1
3
HOOK
9 RING
10
BELL
12 +30V
11
TP417O
8
1
RLY
+30V
RL202O
2 +5V
1
DG
13
AG
D203O
C203O
0.1
C204O
0.1
AG
DG
TP413P
Q200P
C
B
E
DG
IC200P
15 T0
8
Vref
14 R0
7
A_IN
TP415P
6 T1
4
A_OUT
TP416P
5 R1
3
HOOK
9 RING
10
BELL
TP414P
TP417P
12 +30V
11
8
1
RLY
+30V
2 +5V
1
RL202P
DG
+5V
13
AG
D203P
C203P
0.1
C204P
0.1
AG
DG
BELL1
MW[12]
VREF_C4
VOUT[12]
DTMFR[12]
HOOK[12]
IC252
VREF_C4
BELL[12]
7
VREF_C4
TP719
+15V
BELL1
MW[13]
TP560
HOOK[12]
35
SI1_1
EST[12]
TP561
36 SI1_0
R260
TP588
37
+5V
SB1_2
10K
TP562
38 SB1_1
DIAG[12]
R261
TP589
39 SB1_0
+5V
VREF_C4
MW[12]
TP563
40 SO1_1
10K
VOUT[13]
BELL[12]
TP564
41
S01_0
DTMFR[13]
VOUT[12]
TP565
51
Vout1
HOOK[13]
DTMFR[12]
TP566
49
Vin1
BELL[13]
C272
TP622
0.1
+15V
HOOK[13]
TP567
48
SI2_1
EST[13]
TP568
47 SI2_0
R262
TP590
BELL1
SB2_2
+5V
46
10K
TP569
45 SB2_1
DIAG[13]
R263
TP591
+5V
44 SB2_0
MW[13]
TP570
43 SO2_1
10K
MW[14]
BELL[13]
TP571
42
S02_0
TP572
53 Vout2
VOUT[13]
DTMFR[13]
TP573
55
Vin2
TP623
C273
0.1
VREF_C4
VOUT[14]
DTMFR[14]
HOOK[14]
1
HOOK[14]
TP574
BELL[14]
SI3_1
2
EST[14]
TP575
SI3_0
+15V
3
R264
TP592
SB3_2
+5V
10K
4
TP576
DIAG[14]
SB3_1
R265
TP593
+5V
5 SB3_0
MW[14]
TP577
6 SO3_1
10K
BELL[14]
TP578
7
S03_0
VOUT[14]
60 Vout3
TP579
DTMFR[14]
58
TP580
Vin3
TP624
C274
BELL1
0.1
MW[15]
TP581
14
HOOK[15]
SI4_1
EST[15]
TP582
13 SI4_0
R266
TP594
12
+5V
SB4_2
10K
TP583
11 SB4_1
DIAG[15]
VREF_C4
R267
TP595
10 SB4_0
+5V
VOUT[15]
10K
9 SO4_1
TP584
MW[15]
DTMFR[15]
8
BELL[15]
TP585
S04_0
HOOK[15]
VOUT[15]
TP586
62 Vout4
BELL[15]
DTMFR[15]
TP587
64
Vin4
+15V
TP625
C275
0.1
BELL1
EST[8-15]
DTMFR[8-15]
VOUT[8-15]
+5V
R273
6
N.C
TP602
5
R272
N.C
R271
100K
DG
TP609
TP682
IC251
FIL252
TP603
L49
VDDD 24
1
3
0
2
GNDD 21
L53
0
DG
VDDA12 52
C260
C263
0.1
16V/1
GNDA1 50
C258
VREF 56
0.22
GNDA2 54
AG
VDDREF 57
C261
0.1
59
GNDA3
61
VDDA34
63
GNDA4
AG
+3.3V
R285
N.C
FSC 31
PCLK 32
DRB 30
DXB 29
28
TCB
TP596
DRA 27
TP666
DXA 26
25
TCA
L209
TP597
220
RESET 23
MCLK 22
TP667
CS 17
DCLK 18
DIN 19
TP664
DOUT 20
TP598
CHCLK1 33
L208
CHCLK2 16
220
TP599
INT12 34
TP600
INT34 15
TP665
TP601
R280
100
DIN
DIN
DOUT
DOUT
DCLK
DCLK
C_CS[3]
C_CS[3]
nRST
nRST
UHW
UHW
DHW
DHW
CLK
CLK
FH
FH
+5V
DG
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