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E
TP421E
MWDC0
R207E
N.C
Q204E
Q203E
TP422E
R208E
N.C
DG
TP402E
CN200
L200E
TE
30
TP400E
RL202E
ZNR22E
N.C
FG
TP403E
L201E
RE
5
TP401E
F
TP421F
TP423F
MWDC0
R207F
N.C
Q204F
Q203F
TP422F
R208F
N.C
DG
CN200
TP402F
L200F
TF
31
TP400F
RL202F
ZNR22F
N.C
FG
TP403F
L201F
RF
6
TP401F
G
TP421G
MWDC0
R207G
N.C
Q204G
Q203G
TP422G
R208G
N.C
DG
CN200
TP402G
L200G
TG
32
TP400G
RL202G
ZNR22G
N.C
FG
TP403G
L201G
RG
7
TP401G
H
TP421H
MWDC0
R207H
N.C
Q204H
Q203H
TP422H
R208H
N.C
DG
CN200
TP402H
L200H
TH
33
TP400H
RL202H
ZNR22H
N.C
FG
TP403H
L201H
RH
8
TP401H
BELL0,BELL[0-7],HOOK[0-7],DIAG[0-7],DTMFR[0-7],EST[0-7],MW[0-7],VOUT[0-7],VREF_C1,VREF_C2
(1)
+15V
+15V
R201E
D201E
TP412E
TP423E
N.C
2
1
R204E
TP407E
N.C
2
9
RL203E
Q200E
D200E
J202E
RL203E
m
TP408E
4
TP411E
3
2
TP409E
C200E
b
50V/10u
ZNR20E
47V
ZNR23E
C201E 50V/10u
47V
R202E
FG
33K
ZNR21E
C202E
22V
b
25V/4R7
7
TP410E
5
6
m
R203E
RL202E
1K 1W
DG
+15V
+15V
D201F
TP412F
R201F
N.C
2
1
R204F
TP407F
N.C
2
9
RL203F
D200F
RL203F
J202F
m
4
TP411F
TP408F
3
2
TP409F
C200F
b
50V/10u
ZNR20F
47V
ZNR23F
C201F 50V/10u
47V
R202F
FG
33K
ZNR21F
C202F
22V
b
25V/4R7
7
TP410F
5
6
m
R203F
RL202F
1K 1W
DG
+15V
+15V
D201G
TP412G
R201G
TP423G
N.C
2
1
R204G
TP407G
N.C
2
9
RL203G
D200G
J202G
RL203G
m
4
TP411G
TP408G
3
2
TP409G
C200G
b
50V/10u
ZNR20G
47V
ZNR23G
C201G 50V/10u
47V
R202G
FG
33K
ZNR21G
C202G
22V
25V/4R7
7
TP410G
5
6
m
R203G
RL202G
1K 1W
DG
+15V
+15V
D201H
TP412H
R201H
TP423H
N.C
2
1
R204H
TP407H
N.C
2
9
RL203H
D200H
J202H
RL203H
m
4
TP411H
TP408H
3
2
TP409H
C200H
b
ZNR20H
50V/10u
47V
ZNR23H
C201H 50V/10u
47V
R202H
FG
33K
ZNR21H
C202H
22V
25V/4R7
b
7
TP410H
5
6
R203H
RL202H
m
1K 1W
DG
TP413E
C
B
E
DG
IC200E
15 T0
8
Vref
14 R0
7
A_IN
TP415E
6 T1
4
A_OUT
TP416E
5 R1
3
HOOK
9 RING
10
BELL
TP414E
TP417E
12 +30V
11
8
1
RLY
+30V
RL202E
2 +5V
1
DG
+5V
13
AG
D203E
C203E 0.1
C204E 0.1
AG
DG
TP413F
Q200F
C
B
E
DG
IC200F
15 T0
8
Vref
14 R0
7
A_IN
TP415F
6 T1
4
A_OUT
TP416F
5 R1
3
HOOK
9 RING
10
BELL
TP414F
TP417F
12 +30V
11
8
1
RLY
+30V
RL202F
2 +5V
1
DG
+5V
13
AG
D203F
C203F 0.1
C204F 0.1
AG
DG
TP413G
Q200G
C
B
E
DG
IC200G
15 T0
8
Vref
14 R0
7
A_IN
TP415G
6 T1
4
A_OUT
TP416G
5 R1
3
HOOK
9 RING
10
BELL
TP414G
TP417G
12 +30V
11
8
1
RLY
+30V
2 +5V
1
RL202G
DG
+5V
13
AG
D203G
C203G 0.1
C204G 0.1
AG
DG
TP413H
Q200H
C
B
E
DG
IC200H
15 T0
8
Vref
14 R0
7
A_IN
TP415H
6 T1
4
A_OUT
TP416H
5 R1
3
HOOK
9 RING
10
BELL
TP414H
TP417H
12 +30V
11
8
1
RLY
+30V
2 +5V
1
RL202H
DG
+5V
13
AG
D203H
C203H 0.1
C204H 0.1
AG
DG
BELL0
MW[4]
VREF_C2
VOUT[4]
DTMFR[4]
HOOK[4]
IC203
BELL[4]
VREF_C2
7
TP718
+15V
BELL0
MW[5]
HOOK[4]
TP469
35
SI1_1
TP470
EST[4]
36 SI1_0
R217
+5V
TP497
37
SB1_2
DIAG[4]
10K
TP471
38 SB1_1
R218
TP498
39 SB1_0
+5V
VREF_C2
TP472
40
10K
MW[4]
SO1_1
VOUT[5]
41
BELL[4]
TP473
S01_0
DTMFR[5]
TP474
51
VOUT[4]
Vout1
HOOK[5]
DTMFR[4]
TP475
49
Vin1
BELL[5]
TP614
C225
0.1
+15V
TP476
HOOK[5]
48
TP477
EST[5]
47 SI2_0
R219
TP499
BELL0
46
+5V
10K
TP478
DIAG[5]
45 SB2_1
R220
TP500
44 SB2_0
+5V
MW[5]
TP479
10K
43 SO2_1
MW[6]
BELL[5]
TP480
42
S02_0
TP481
VOUT[5]
53 Vout2
DTMFR[5]
TP482
55
TP615
C226
0.1
VREF_C2
VOUT[6]
DTMFR[6]
HOOK[6]
1
TP483
HOOK[6]
BELL[6]
SI3_1
2
TP484
EST[6]
+15V
SI3_0
3
R221
TP501
+5V
SB3_2
DIAG[6]
4
TP485
10K
SB3_1
R222
TP502
5
+5V
SB3_0
MW[6]
TP486
6 SO3_1
10K
BELL[6]
TP487
7
S03_0
VOUT[6]
60
TP488
Vout3
DTMFR[6]
58
TP489
Vin3
C227
TP616
0.1
BELL0
MW[7]
TP490
HOOK[7]
14
SI4_1
TP491
EST[7]
13 SI4_0
R223
TP503
12
+5V
SB4_2
DIAG[7]
TP492
10K
11 SB4_1
VREF_C2
R224
TP504
10 SB4_0
+5V
VOUT[7]
9 SO4_1
MW[7]
10K
TP493
DTMFR[7]
TP494
8
BELL[7]
S04_0
HOOK[7]
VOUT[7]
TP495
62 Vout4
BELL[7]
DTMFR[7]
TP496
64
+15V
TP617
C228
0.1
BELL0
EST[0-7]
DTMFR[0-7]
VOUT[0-7]
+5V
R232
N.C
6
TP511
5
R233
N.C
R231
100K
DG
TP607
TP680
IC202
FIL201
TP512
L47
VDDD 24
1
3
0
2
GNDD 21
L51
0
DG
VDDA12 52
C213
C216
0.1
16V/1
GNDA1 50
C211
VREF 56
0.22
GNDA2 54
57
AG
VDDREF
C214
0.1
GNDA3 59
VDDA34 61
C215
0.1
GNDA4 63
SI2_1
AG
SB2_2
Vin2
+3.3V
R283
N.C
FSC 31
PCLK 32
DRB 30
DXB
29
28
TCB
TP505
DRA 27
TP658
DXA 26
25
TCA
TP506
L205
220
RESET 23
MCLK 22
TP659
CS 17
DCLK 18
DIN 19
TP656
DOUT 20
CHCLK1 33
TP507
L204
16
220
CHCLK2
TP508
34
INT12
TP509
15
TP657
INT34
TP510
Vin4
R276
100
DIN
DIN
DOUT
DOUT
DCLK
DCLK
C_CS[1]
C_CS[1]
nRST
nRST
UHW
UHW
DHW
DHW
CLK
CLK
FH
FH
+5V
DG
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