Table of Contents
Advertisement
I
TP421I
TP423I
MWDC1
R207I
Q204I
N.C
Q203I
TP422I
R208I
N.C
DG
CN200
TP402I
L200I
TI
34
TP400I
3
RL202I
ZNR22I
N.C
ZNR23I
FG
TP403I
L201I
b
RI
9
TP401I
6
m
J
TP421J
TP423J
MWDC1
R207J
N.C
Q204J
Q203J
TP422J
R208J
N.C
CN200
DG
TP402J
L200J
TJ
35
TP400J
3
RL202J
ZNR22J
N.C
ZNR23J
FG
TP403J
L201J
b
RJ
10
TP401J
6
RL202J
m
K
TP423K
TP421K
MWDC1
R207K
N.C
Q204K
Q203K
TP422K
R208K
N.C
RL203K
CN200
TP402K
DG
L200K
TK
36
TP400K
3
RL202K
ZNR22K
N.C
ZNR23K
FG
TP403K
L201K
b
RK
11
TP401K
6
m
RL202K
L
TP423L
TP421L
MWDC1
R207L
N.C
Q204L
Q203L
TP422L
R208L
N.C
DG
CN200
TP402L
L200L
TL
37
TP400L
3
RL202L
ZNR22L
N.C
ZNR23L
FG
TP403L
L201L
b
RL
12
TP401L
6
m
KX-TDA0174 SCHEMATIC DIAGRAM NO.3
+15V
+15V
D201I
TP412I
TP413I
R201I
N.C
2
1
R204I
C
TP407I
N.C
2
9
RL203I
D200I
E
DG
J202I
RL203I
m
4
TP408I
TP411I
TP409I
2
C200I
b
ZNR20I
50V/10u
TP415I
47V
TP416I
C201I
50V/10u
47V
R202I
TP414I
FG
33K
+30V
ZNR21I
C202I
22V
+5V
25V/4R7
7
TP410I
5
R203I
RL202I
1K 1W
DG
+15V
+15V
D201J
TP412J
R201J
TP413J
N.C
2
1
R204J
C
N.C
TP407J
2
9
RL203J
D200J
E
DG
J202J
RL203J
m
TP411J
4
TP408J
2
TP409J
C200J
b
50V/10u
ZNR20J
TP415J
47V
TP416J
C201J
50V/10u
47V
R202J
TP414J
FG
33K
+30V
ZNR21J
22V
C202J
+5V
25V/4R7
7
TP410J
5
R203J
1K 1W
DG
+15V
+15V
D201K
TP412K
TP413K
R201K
N.C
2
1
R204K
C
TP407K
N.C
2
9
RL203K
D200K
E
DG
J202K
m
4
TP411K
TP408K
2
TP409K
C200K
b
50V/10u
TP415K
ZNR20K
47V
TP416K
C201K 50V/10u
47V
R202K
TP414K
FG
33K
+30V
ZNR21K
C202K
22V
+5V
25V/4R7
7
TP410K
5
R203K
1K 1W
DG
+15V
+15V
D201L
TP412L
TP413L
R201L
N.C
2
1
R204L
C
TP407L
N.C
2
9
RL203L
D200L
E
DG
J202L
RL203L
m
4
TP411L
TP408L
2
TP409L
C200L
b
ZNR20L
50V/10u
TP415L
47V
TP416L
C201L 50V/10u
47V
R202L
TP414L
FG
33K
+30V
ZNR21L
C202L
22V
+5V
25V/4R7
7
TP410L
5
R203L
RL202L
1K 1W
DG
Q200I
B
IC200I
15 T0
8
Vref
14 R0
7
A_IN
6 T1
4
A_OUT
5 R1
3
HOOK
9 RING
10
BELL
TP417I
12 +30V
11
8
1
+15V
RLY
RL202I
2 +5V
1
DG
13
AG
D203I
C203I
0.1
0.1
C204I
AG
DG
Q200J
B
IC200J
8
15 T0
Vref
7
14 R0
A_IN
4
6 T1
A_OUT
5 R1
3
HOOK
9 RING
10
BELL
TP417J
12 +30V
11
8
1
RLY
+15V
2 +5V
1
RL202J
DG
13
AG
D203J
C203J
0.1
C204J
0.1
AG
DG
Q200K
B
IC200K
15 T0
8
Vref
14 R0
7
A_IN
6 T1
4
A_OUT
5 R1
3
HOOK
9 RING
10
BELL
TP417K
12 +30V
11
8
1
RLY
+15V
2 +5V
1
RL202K
DG
13
AG
D203K
C203K
0.1
C204K
0.1
AG
DG
Q200L
B
IC200L
15 T0
8
Vref
14 R0
7
A_IN
6 T1
4
A_OUT
5 R1
3
HOOK
9 RING
10
BELL
TP417L
12 +30V
11
8
1
+15V
RLY
2 +5V
RL202L
1
DG
13
AG
D203L
C203L
0.1
C204L
0.1
AG DG
BELL1
MW[8]
+5V
VREF_C3
R250
VOUT[8]
22
DTMFR[8]
TP550
HOOK[8]
VREF_C3
TP558
8
BELL[8]
TP513
IC252
3
1
4
2
C257
1
TP551
R251
22
DG
IC250
BELL1
VDDD 24
GNDD 21
TP514
HOOK[8]
35
SI1_1
MW[9]
TP515
EST[8]
36
VDDA12 52
SI1_0
R252
TP542
37
+5V
SB1_2
10K
TP516
38 SB1_1
DIAG[8]
GNDA1 50
R253
TP543
39 SB1_0
+5V
10K
TP517
40
MW[8]
VREF 56
SO1_1
TP518
41
BELL[8]
S01_0
VOUT[8]
TP519
51
VREF_C3
GNDA2
Vout1
DTMFR[8]
TP520
49
VOUT[9]
Vin1
TP618
C268
VDDREF 57
DTMFR[9]
0.1
C254
HOOK[9]
BELL[9]
GNDA3 59
VDDA34 61
C255
GNDA4 63
TP521
HOOK[9]
48
SI2_1
EST[9]
TP522
47 SI2_0
R254
TP544
+5V
46
SB2_2
10K
TP523
DIAG[9]
45 SB2_1
R255
TP545
+5V
44 SB2_0
BELL1
MW[9]
10K
TP524
43 SO2_1
BELL[9]
TP525
42
S02_0
TP526
VOUT[9]
53
Vout2
DTMFR[9]
TP527
MW[10]
55
Vin2
TP619
C269
0.1
VREF_C3
VOUT[10]
TP528
1
HOOK[10]
SI3_1
DTMFR[10]
2
EST[10]
TP529
SI3_0
HOOK[10]
R256
3
TP546
SB3_2
+5V
BELL[10]
4
DIAG[10]
10K
TP530
SB3_1
R257
TP547
5 SB3_0
+5V
MW[10]
10K
TP531
6 SO3_1
FSC 31
BELL[10]
TP532
7
S03_0
PCLK 32
60 Vout3
TP533
VOUT[10]
DRB 30
DTMFR[10]
58
Vin3
DXB
TP620
C270
TP534
TCB
0.1
DRA
DXA
BELL1
TCA
RESET 23
MCLK 22
CS 17
MW[11]
TP535
HOOK[11]
14
DCLK 18
SI4_1
TP536
EST[11]
13 SI4_0
DIN 19
R258
TP548
12
DOUT 20
+5V
SB4_2
TP537
CHCLK1 33
DIAG[11]
11 SB4_1
10K
R259
TP549
CHCLK2 16
10 SB4_0
+5V
MW[11]
TP538
9 SO4_1
INT12 34
10K
BELL[11]
8
INT34 15
TP539
VREF_C3
S04_0
VOUT[11]
TP540
62 Vout4
VOUT[11]
DTMFR[11]
TP541
64
DTMFR[11]
Vin4
TP621
C271
HOOK[11]
0.1
BELL[11]
DIN
DOUT
DCLK
C_CS[2]
nRST
UHW
DHW
CLK
FH
R270
N.C
R268
100K
TP608
TP681
+5V
FIL251
TP559
L48
1
3
0
2
L52
0
DG
C253
C256
0.1
16V/1
C251
DG
0.22
54
AG
0.1
0.1
AG
+3.3V
R284
N.C
29
28
TP552
27
TP662
26
25
TP553
L207
220
TP663
TP660
TP554
L206
TP555
220
TP556
TP661
TP557
R278
100
DIN
DOUT
DCLK
C_CS[2]
nRST
UHW
DHW
CLK
FH
(1)
Advertisement
Table of Contents
