Panasonic KX-TDA0174 Service Manual page 72

100k
R40
VOUT[0] C9 0.1 R19 100k
TP43
TP21 R20
TP44
DTMFR[0]
100k
C10 0.1 R41 100k
TP22
R42 100k
VOUT[1] 0.1 R21 100k
C11
TP45
TP23
R22 TP46
DTMFR[1]
100k
C12 0.1
R43 100k
TP24
R44 100k
VOUT[2] C13 0.1 R23 100k
TP47
TP25 R24
DTMFR[2] TP48
C14 100k
0.1 100k
R45
TP26
R46 100k
VOUT[3] R25 100k
C15 0.1 TP49
TP27 R26
DTMFR[3]
TP50
C16 0.1 100k
R47 100k
TP28
TP51
+3.3V
R48
R29
N.C
N.C
J2
J1
0
0
DG
R30 100k
R11 100k
VOUT[4] C1 0.1
TP11 R12
DTMFR[4]
C2 0.1
100k R31 100k
TP12
R32 100k
R13 100k
VOUT[5] C3 0.1
TP37
TP13 R14 TP38
DTMFR[5]
C4 0.1
R33 100k
TP14 100k
R34 100k
VOUT[6] R15 100k
TP39
C5
0.1
R16 TP40
TP15
DTMFR[6]
C6 0.1 R35
TP16 100k 100k
R36 100k
VOUT[7] R17 100k
C7 TP41
0.1
TP17 R18
TP42
DTMFR[7]
C8 0.1
R37 100k
100k
TP18
DTMFR[0-7]
VOUT[0-7]
BELL Circuit (ExT 1~8)
R810
100K
C
TP802
Q804
B
E
C TP810
+30V
TP812
Q800
B
D802
E
TP818
C802
R814
R804 15V
5
0.1
1M
680
R816
BELL0 TP803
IC11
TP863 10K
7
4
R806
R800
3
R812
TP816
1
150
IC11
100
11 10K
2
R848
TP800
100
IC11
R802
12
C800
14
D800
0.1/250V
E 680 13
15V
Q801
B
TP813
DG
TP808
E
C
Q805
P.G
B
TP804
C
R808
100K
BELL Circuit (ExT 9~16)
R811
100K
C
TP805
Q806
B
E
C TP811
TP814
Q802
+30V
B
D803 C803
E
TP819
R805
15V 0.1
5
R815
680
TP806 R813
1M
IC12
TP867
10K
BELL1 R807 4
R801 3
TP817 R817
150 1
100
11
10K
2
R849
TP801
100
R803 12
C801
14
D801
680
E 13
0.1/250V 15V
IC12
B
Q803 TP815
TP809
C
E
DG
B
Q807
TP807
P.G
C
R809
100K
+3.3V
3
FIL5 TP675
IC1
1 3
DTMF RECIEVER L42
2
0
DG
1 S/nESEL 36
INP1
2 EST/STD4 35 EST[3]
INM1
TP53
3 EST/STD3 34 EST[2]
GS1
4 EST/STD2 33 EST[1]
TEST1
5 EST/STD1 32 EST[0]
INP2
D[3]
6 Q4 31
INM2
TP58
7 D[2]
Q3 30
GS2
TP59
8 Q2 29 D[1]
VREF
D[0]
9 Q1 28
INP3
TOE[3]
10 TOE4 27
INM3
TP60 TOE[2]
11 TOE3 26
GS3
TOE[1]
12 TEST2 TOE2 25
13 INP4 TOE1 24 TOE[0]
14 INM4 nREST 23
TP61
15 GS4 CLKSEL 22
16 GTSEL1 OSCI 21
TP52 TP70
17 GTSEL2 OSC0 20
18 Vss Vdd 19
TP66
C18 0.1
C74
1
D[0-3]
C75 2.2
DG
+3.3V
R58
R57
N.C
N.C
TP689
TP687
J4
J3
0
0
DG
IC2
DTMF RECIEVER
TP54
1 INP1 S/nESEL 36
TP55
INM1 EST[7]
2 EST/STD4 35
TP56
3 GS1 EST/STD3 34 EST[6]
EST[5]
4 TEST1 EST/STD2 33
5 EST/STD1 32 EST[4]
INP2
6 INM2 Q4 31 D[3]
TP690
7 GS2 Q3 30 D[2]
TP62
8 Q2 29 D[1]
VREF
9 INP3 Q1 28 D[0]
TOE[7]
10 INM3 TOE4 27
TP691
TOE[6]
11 GS3 TOE3 26
TOE[5]
12 TEST2 TOE2 25
TOE[4]
13 INP4 TOE1 24
14 INM4 nREST 23
TP692
15 GS4 CLKSEL 22
16 GTSEL1 OSCI 21
TP71
17 GTSEL2 OSC0 20
18 Vss Vdd 19
TP67
C17 0.1
C76 1
FIL6
TP676
C77 2.2
1 3
L43
2
0
DG
DG
CLK
CLK
4
TP824
R826
R845
C804
4.7K
C806
0.082 180KF +3.3V
0.082
R822 R846
TP820 TP826 TP871
R818
1K
TP822 390KF
7.5K
9
R824
6 8
20KF
TP873
10
4 1
R820
5 IC11
47K PC804
3 2
TP872
TP828
TP865
TP830
TP832
+3.3V
TP825
R827
C805
C807
180KF
0.082
0.082
R833
1K
TP823
R823
R819
TP831
TP874
390KF TP827
7.5K TP821
9
R825
6 8
20KF
7 10
R821
4 1
5
PC800
IC12
47K
IC12
3 2
TP829
TP868
TP833
-100V
1
R93
R75 100k
VOUT[8] C29 TP108
0.1
TP109
TP84 R76
DTMFR[8]
100k
C30 0.1 R94 100k
TP85
R95 100k
VOUT[9] R77 100k TP110
C31
0.1
TP86 TP111
R78
DTMFR[9]
C32 0.1
100k
R96 100k
TP87
2
100k
R97
C33 0.1
VOUT[10] R79 100k
TP112
TP88
R80 TP113
DTMFR[10]
100k
C34 0.1 R98 100k
TP89
R99 100k
VOUT[11] C35 0.1 R81 100k
TP114
TP90 R82 TP115
DTMFR[11]
100k
C36 0.1
R100
TP91
TOE[0-7]
1
R84 100k
VOUT[12] R65 100k
C21
0.1
TP76
DTMFR[12] R66
C22 0.1 100k
R85 100k
TP77
100k
R86
R67
VOUT[13] 100k
C23 TP102
0.1
DTMFR[13] TP78 R68 TP103
C24
0.1 100k
TP79 R87 100k
100k
R88
VOUT[14] R69 100k
TP104
C25
0.1
TP80
DTMFR[14] R70 TP105
0.1
C26 R89
TP81 100k 100k
R90 100k
R71 100k
VOUT[15]
C27 TP106
0.1
DTMFR[15] TP82 R72
TP107
0.1
C28 R91 100k
TP83 100k
2
DTMFR[8-15]
VOUT[8-15]
EST[0-7]
+3.3V
+15V
D804
TP840
TP843
2 1
R835 Q808
C
N.C
B
2 9
RL800
E
DG
R838
N.C
+3.3V
TP845
RL800
10
TP848
m 5
TP834
1
R839
b
+3.3V
N.C
+160V
+100V
C809
C810
250V/10 N.C
DG
250V/10
R836
P.G TP839
47K
R829
R837
20KF
TP835
10K
TP841
R830 D805
1
24V
39KF
U800
PC803
2
C808 TP837
TP836 R834
TP842
22K
0.1
8
3
R832
IC800
1.2M
4Vref
DG
TP838
R831
2
1.5KF
+3.3V
FIL7
TP677
IC4
1 3
100k DTMF RECIEVER L44
2
0
DG
1 INP1 S/nESEL 36
EST[11]
2 INM1 EST/STD4 35
TP116
EST[10]
3 GS1 EST/STD3 34
EST[9]
TEST1 EST/STD2 33
4
EST[8]
5 INP2 EST/STD1 32
D[3]
6 INM2 Q4 31
TP120
7 Q3 30 D[2]
GS2
TP121
8 VREF Q2 29 D[1]
D[0]
9 INP3 Q1 28
10 INM3 TOE4 27 TOE[11]
TP122
11 GS3 TOE3 26 TOE[10]
TOE[9]
12 TEST2 TOE2 25
TOE[8]
13 INP4 TOE1 24
14 INM4 nREST 23
TP123
100k
15 GS4 CLKSEL 22
16 GTSEL1 OSCI 21
TP133
17 GTSEL2 OSC0 20
18 Vss Vdd 19
TP131
C45 0.1
1
C78
C79 2.2
DG
IC6
DTMF RECIEVER
TP117
1 S/nESEL 36
INP1
TP118
EST[15]
2 INM1 EST/STD4 35
TP119
EST[14]
3 EST/STD3 34
GS1
EST[13]
4 EST/STD2 33
TEST1
EST[12]
5 EST/STD1 32
INP2
6 Q4 31 D[3]
INM2
TP693
7 GS2 Q3 30 D[2]
TP124 8 Q2 29 D[1]
VREF
9 INP3 Q1 28 D[0]
TOE[15]
10 INM3 TOE4 27
TP694
TOE[14]
11 GS3 TOE3 26
TOE[13]
12 TEST2 TOE2 25
TOE[12]
13 INP4 TOE1 24
14 INM4 nREST 23
TP695
15 GS4 CLKSEL 22
16 GTSEL1 OSCI 21
TP134
17 GTSEL2 OSC0 20
18 Vss Vdd 19
+3.3V
TP132
C42 0.1
L45
0
C80 1
FIL8
2.2
C81
1 3
TP678
2
DG
DG
+3.3V
PC801 R852
R851
MWDC0 10K
10K
PC802
MWDC1
TP844
6
T800
D806
10
1
TP862
2 1
TP850
2 9
2 1
D807 8 TP856
TP849
R850
7
TP858
22K
4 7
TP851
D
6
5
1 2 2
G
C811
TP860
TP857
D808
1
S 3
Q810
9
R844
R843
22
TP852
1.0 TP859 C818
10 R841
22
0.1
IC801
TP846
1 8
+15V
COMP VREF
TP855
2 7
FB VCC
3 6
ISENS OUT
TP847 TP853 TP854
TP861
4 5
RT/CT GND
4
C
B
3
Q809
E
1
2
+3.3V
Q11
E
B
LED1
C
U1
R120
RED
5
1
150
TP140
1 2
2
TP144
3 TP145
4
3 4
TP141 R119
GREEN DG
150
1
2
EST[8-15]
RA28
10K
1 10
2 9
8
3
4 7 DG
5 6
TOE[0]
TOE[1]
TOE[2]
TOE[3]
TOE[4]
TOE[5]
TOE[6]
TOE[7]
RA3
+3.3V
10K
1 10
2 9
8
3
4 7
5 6
+40V
C817
50V/100
11
C815
0.1
DG
P.G
(1)
(2)
(3)
(10)
(11)
(13)
(14)
(21)
(22)
(29)
(30)
(31)
(32)
(33)