
100k
R19
100k
R22
0.1
C9
0.1
C12
0.1
C11
DG
100k
R41
100k
R45
0.1
C10
0.1
C18
100k
R43
0.1
C14
100k
R23
100k
R21
100k
R20
+3.3V
100k
R24
0.1
C13
VOUT[0-7]
DTMFR[0-7]
DTMF RECIEVER
INP1
1
INM1
2
GS1
3
TEST1
4
INP2
5
INM2
6
GS2
7
VREF
8
INP3
9
INM3
10
GS3
11
TEST2
12
INP4
13
INM4
14
GS4
15
GTSEL1
16
GTSEL2
17
Vss
18
Vdd 19
OSC0 20
OSCI
21
CLKSEL 22
nREST
23
TOE1
24
TOE2 25
TOE3 26
TOE4 27
Q1 28
Q2 29
Q3 30
Q4 31
EST/STD1 32
EST/STD2 33
EST/STD3 34
EST/STD4 35
S/nESEL 36
100k
R47
100k
R26
0.1
C16
100k
R40
0.1
C15
100k
R25
100k
R46
100k
R42
100k
R44
100k
R17
100k
R15
0.1
C6
0.1
C1
100k
R34
DG
0.1
C3
100k
R36
100k
R33
100k
R14
100k
R16
0.1
C4
0.1
C8
0.1
C2
0.1
C17
100k
R35
100k
R12
100k
R18
100k
R13
100k
R11
0.1
C7
100k
R32
0.1
C5
100k
R30
100k
R31
100k
R37
+3.3V
R29
N.C
DG
CLK
+3.3V
R119
150
DG
LED1
43
1
2
3
4
TP144
TP141
R120
150
TP145
TP21
TP22
TP23
TP24
TP25
TP26
TP43
TP44
TP53
TP45
TP46
TP58
TP47
TP48
TP60
TP59
TP49
TP50
TP27
TP28
TP61
TP51
TP52
TP11
TP12
TP13
TP14
TP54
TP55
TP56
TP15
TP16
TP17
TP18
TP41
TP42
TP39
TP40
TP37
TP38
TP62
100k
R77
100k
R75
TP116
100k
R80
TP82
100k
R99
100k
R94
100k
R66
0.1
C26
100k
R98
TP87
100k
R65
100k
R70
TP85
100k
R95
TP113
100k
R67
100k
R81
TP118
0.1
C36
TP83
TP111
100k
R90
100k
R72
TP81
TP122
0.1
C24
TP109
0.1
C32
0.1
C28
0.1
C23
0.1
C27
TP112
TP84
TP105
100k
R88
TP124
TP89
100k
R79
100k
R96
100k
R85
TP108
100k
R71
TP107
0.1
C31
TP103
DTMFR[8-15]
DG
100k
R76
R48
N.C
TP80
100k
R86
TP102
VOUT[8-15]
TP76
TP117
100k
R69
100k
R82
100k
R87
0.1
C33
100k
R100
TP106
100k
R68
J2
0
0.1
C35
100k
R97
0.1
C34
TP78
TP110
100k
R91
TP115
TP119
0.1
C21
0.1
C29
100k
R93
0.1
C30
TP91
0.1
C42
TP123
TP90
0.1
C22
TP88
TP77
TP86
TP104
TP120
100k
R84
0.1
C45
TP79
100k
R89
DG
TP121
0.1
C25
TP114
100k
R78
+3.3V
R58
N.C
R57
N.C
J4
0
DG
EST[0-7]
EST[8-15]
U1
1
4
3
2
5
TP140
0.047
C812
47K
R836
10K
R837
1
COMP
2
FB
3
ISENS
4
RT/CT
5
GND
6
OUT
7
VCC
VREF
8
N.C
C810
24V
D805
12
+40V
50V/100
C817
22K
R834
1.5KF
R831
20KF
R829
PC803
3
4
2.2K
R840
0.1
C808
PC803
1
2
22
R844
TP67
TP131
DTMF RECIEVER
INP1
1
INM1
2
GS1
3
TEST1
4
INP2
5
INM2
6
GS2
7
VREF
8
INP3
9
INM3
10
GS3
11
TEST2
12
INP4
13
INM4
14
GS4
15
GTSEL1
16
GTSEL2
17
Vss
18
Vdd 19
OSC0 20
OSCI 21
CLKSEL 22
nREST 23
TOE1 24
TOE2 25
TOE3 26
TOE4 27
Q1 28
Q2 29
Q3 30
Q4 31
EST/STD1 32
EST/STD2 33
EST/STD3 34
EST/STD4 35
S/nESEL 36
DTMF RECIEVER
INP1
1
INM1
2
GS1
3
TEST1
4
INP2
5
INM2
6
GS2
7
VREF
8
INP3
9
INM3
10
GS3
11
TEST2
12
INP4
13
INM4
14
GS4
15
GTSEL1
16
GTSEL2
17
Vss
18
Vdd
19
OSC0 20
OSCI
21
CLKSEL 22
nREST 23
TOE1 24
TOE2 25
TOE3 26
TOE4 27
Q1 28
Q2 29
Q3 30
Q4 31
EST/STD1 32
EST/STD2 33
EST/STD3 34
EST/STD4 35
S/nESEL 36
DTMF RECIEVER
INP1
1
INM1
2
GS1
3
TEST1
4
INP2
5
INM2
6
GS2
7
VREF
8
INP3
9
INM3
10
GS3
11
TEST2
12
INP4
13
INM4
14
GS4
15
GTSEL1
16
GTSEL2
17
Vss
18
Vdd 19
OSC0 20
OSCI
21
CLKSEL 22
nREST 23
TOE1 24
TOE2 25
TOE3 26
TOE4 27
Q1 28
Q2 29
Q3 30
Q4 31
EST/STD1 32
EST/STD2 33
EST/STD3 34
EST/STD4 35
S/nESEL 36
TP134
TP133
TP70
TP849
Q11
E
C
B
TP857
TP856
TP850
250V/10
C811
MWDC0
MWDC1
+3.3V
PC801
1
2
3
4
N.C
R839
N.C
R838
PC802
1
23
4
+3.3V
TP808
D802
15V
TP810
R808
100K
R806
100
Q801
E
C
B
R810
100K
Q805
E
C
B
R802
680
Q800
E
C
B
TP803
TP812
Q804
E
C
B
D800
15V
R804
680
4Vref
2
A
3
K
FIL5
1
2
3
DG
+3.3V
DG
FIL6
1
2
3
TP71
+3.3V
DG
FIL7
1
2
3
DG
+3.3V
FIL8
1
2
3
DG
R800
150
R801
150
C800
0.1/250V
C801
0.1/250V
TP851
TP800
TP801
TP66
C74
1
C75
2.2
C76
1
C77
2.2
C78
1
C79
2.2
C80
1
C81
2.2
TP132
TP845
TP844
1.2M
R832
Q809
E
C
B
+15V
22
R841
TP847
C813
0.1
C814
470P
22K
R842
C815
0.1
TP860
C816
0.1
39KF
R830
TP855
TP853 TP854
TP859
TP861
TP846
R812
10K
R816
10K
R814
1M
+30V
R818
7.5K
R820
47K
5
6
7
IC11
10
9
8
R822
390KF
0.082
C804
0.082
C806
IC11
1
2
3
4
11
R824
20KF
R826
180KF
R807
100
Q802
E
C
B
R813
10K
TP809
R817
10K
Q806
E
C
B
IC12
1
2
3
4
11
0.082
C805
5
6
7
R819
7.5K
R827
180KF
0.082
C807
IC12
10
9
8
R809
100K
Q807
E
C
B
R803
680
R815
1M
R823
390KF
R825
20KF
TP811
R811
100K
R821
47K
R805
680
Q803
E
C
B
TP814
+30V
D801
15V
D803
15V
TP806
4.7K
R828
PC800
1
2
3
4
TP829
TP825
TP827
TP823
TP821
TP819
TP817
TP828
TP824
TP826
TP822
TP820
TP818
TP816
0.1
C802
0.1
C803
IC12
12
13
14
TP805
RL800
5
1
10
TP848
TP837
250V/10
C809
+15V
Q808
E
C
B
TP840
RL800
2
9
D804
1
2
DG
TP843
N.C
R835
D807
1
2
D808
1
2
TP838
TP842
TP841
TP839
T800
1
2
4
5
6
7
8
9
10
D806
1
2
TP834
TP862
TP863
TP867
TP868
+3.3V
TP831
1K
R833
+3.3V
DG
PC804
1
2
3
4
+3.3V
TP871
1K
R846
4.7K
R845
TP802
TP872
TP836
TP835
TP832
C818
0.1
12K
R847
22K
R850
Q810
S 3
G
1
D
2
TP852
TP858
IC11
12
13
14
TP865
TP804
TP813
R848
100
TP807
TP815
R849
100
+3.3V
10K
R852
10K
R851
BELL1
BELL0
L42
0
L43
0
L44
0
L45
0
TP675
TP676
TP677
TP678
P.G
DG
P.G
DG
P.G
DG
P.G
DG
TP873
TP874
TP687
TP689
TP690
TP691
TP692
TP693
TP694
TP695
RA28
10K
1
2
3
4
5
6
7
8
9
10
RA3
10K
1
2
3
4
5
6
7
8
9
10
J1
0
J3
0
U800
1
4
3
2
5
6
TP833
-100V
TP830
+100V
+160V
R843
1.0
DTMFR[2]
VOUT[2]
VOUT[1]
VOUT[0]
DTMFR[1]
DTMFR[0]
DTMFR[0-7]
V
OUT[0-7]
DTMFR[3]
VOUT[3]
EST[3]
EST[2]
EST[1]
EST[0]
D[3]
D[2]
D[1]
TOE[1]
TOE[0]
TOE[3]
TOE[2]
EST[4]
VOUT[5]
VOUT[6]
TOE[6]
TOE[5]
D[2]
DTMFR[7]
DTMFR[6]
D[1]
DTMFR[5]
EST[5]
EST[6]
TOE[4]
DTMFR[4]
VOUT[7]
EST[7]
VOUT[4]
D[0]
TOE[7]
D[0-3]
T
OE[0-7]
TOE[0-7]
D[1]
EST[8]
D[2]
TOE[11]
DTMFR[9]
EST[13]
DTMFR[11]
VOUT[13]
EST[15]
VOUT[10]
D[0]
D[3]
TOE[10]
D[3]
D[2]
DTMFR[8-15]
TOE[9]
DTMFR[15]
TOE[15]
EST[11]
VOUT[11]
TOE[13]
DTMFR[10]
DTMFR[8]
EST[14]
VOUT[15]
VOUT[8]
TOE[8]
DTMFR[14]
DTMFR[13]
EST[12]
EST[10]
VOUT[9]
VOUT[14]
DTMFR[12]
D[1]
TOE[14]
EST[8-15]
EST[9]
V
OUT[8-15]
VOUT[12]
T
OE[8-15]
D[0]
EST[0-7]
D[0-3]
D[3]
D[0]
TOE[12]
D[0-3]
CLK
TOE[6]
TOE[5]
TOE[4]
TOE[3]
TOE[2]
TOE[7]
TOE[0]
TOE[1]
GREEN
RED
b
m
(1)
(2)
~
(11)
(13)
(14)
~
(21)
(30)
(31)
(32)
(33)
(22)
~
(29)
(3)
~
(10)
3
1
2
1
2
1
2
1
2
4
BELL Circuit (ExT 1~8)
5
5
BELL Circuit (ExT 9~16)
8
10
9
11
7
6
Summary of Contents for KX-TDA0174
Page 12: ...6 TROUBLESHOOTING GUIDE 12 ...
Page 13: ...13 ...
Page 14: ...14 ...
Page 15: ...15 ...
Page 16: ...16 ...
Page 17: ...17 ...
Page 18: ...18 ...
Page 36: ...11 TERMINAL GUIDE OF ICS TRANSISTORS AND DIODES 12 CABINET AND ELECTRICAL PARTS LOCATION 36 ...
Page 37: ...13 ACCESSORIES AND PACKING MATERIALS 37 ...
Page 38: ...38 ...
Page 57: ...No 1 2 No 1 3 No 1 4 57 ...
Page 58: ...No 1 5 No 1 6 No 1 7 58 ...
Page 59: ...No 1 8 No 1 9 No 1 10 59 ...
Page 60: ...No 1 11 No 1 12 No 1 13 60 ...
Page 61: ...No 1 14 No 1 15 No 1 16 61 ...
Page 62: ...No 1 17 No 1 18 No 1 19 62 ...
Page 63: ...No 2 20 No 2 21 No 2 22 63 ...