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16.3.
No.3
1/4
KX-TDA6174XJ/KX-TDA6174X ESLC16 CARD SCHEMATIC DIAGRAM No.3 (1/4)
+5V
DG
0.1
C255
0.22
C251
AG
0.1
C253
MWDC1
1:8B;12C;12E;12G;6C;6E;6G;6H
9
CN200
34
10
CN200
35
0.1
C254
IC250
GNDA1
50
VDDA34
61
VDDD
24
VDDA12
52
GNDA2
54
39
SB1_0
38
SB1_1
SI1_1
35
36
SI1_0
SB1_2
37
45
SB2_1
(1)
(2 )
SI2_1
48
47
SI2_0
SB2_2
46
VDDREF
57
40
SO1_1
S01_0
41
VREF
56
GNDA3
59
GNDA4
63
GNDD
21
Vout1
51
Vin1
49
C252
0.1
AG
MWDC1
1:8B;12C;12E;12H;6C;6E;6G;6H
DG
+5V
C264
1
R268
100K
C268
0.1
+5V
+15V
+30V
D203I
Q200I
E
C
B
NC
R204I
D201I
1
2
J202I
RL202I
6
7
5
ZNR20I
47V
1K 1W
R203I
ZNR21I
22V
RL202I
3
2
4
FG
33K
R202I
DG
NC
R201I
D200I
12
ZNR22I
NC
FG
C200I 50V/10u
+15V
D203J
Q200J
E
C
B
NC
R204J
D201J
1
2
J202J
RL202J
6
7
5
ZNR20J
47V
1K 1W
R203J
ZNR21J
22V
RL202J
3
2
4
33K R202J
NC
R201J
D200J
12
ZNR22J
NC
C200J
50V/10u
R207I
NC
DG
NC
R208I
R207J
NC
NC
R208J
C202I
25V/4R7
C202J
25V/4R7
C201I 50V/10u
C201J
50V/10u
+30V
+5V
DG
DG
FG
FG
AG
AG
C256
1
DG
ZNR23I
47V
ZNR23J
47V
C203I
0.1
C204I
0.1
C204J
0.1
C203J
0.1
C250
0.1
C257
1
RL203I
1
5
6
10
+
-
RL203I
2
9
+
-
RL203J
2
9
RL203J
1
5
6
10
+
-
RL202I
1
8
+
-
RL202J
1
8
+15V
+15V
+15V
+15V
IC200I
1
DG
2
+5V
3
HOOK
4
A_OUT
5
R1
6
T1
7
A_IN
8
Vref
9
RING
10
BELL
11
RLY
12
+30V
13
AG
14
R0
15
T0
IC200J
1
DG
2
+5V
3
HOOK
4
A_OUT
5
R1
6
T1
7
A_IN
8
Vref
9
RING
10
BELL
11
RLY
12
+30V
13
AG
14
R0
15
T0
Q203I
E
C
B
Q203J
E
C
B
Q204J
E
C
B
Q204I
E
C
B
TP416J
TP573
TP417J
TP415J
TP417I
TP421I
TP577
TP602
TP569
TP571
TP423I
TP575
TP414J
TP609
TP407J
TP414I
TP411J
TP407I
TP403J
TP402I
TP566
TP562
TP572
TP421J
TP413J
TP574
TP410I
TP561
TP408J
TP423J
TP410J
TP567
TP409J
TP416I
TP415I
TP422J
TP412I
TP408I
TP568
TP576
TP413I
TP402J
TP411I
TP412J
TP570
TP422I
TP403I
TP601
TP409I
+5V
+5V
+5V
IC252
1
2
3
4
8
RA39
10K
1
2
3
4
5
6
7
8
RA40
10K
1
2
3
4
5
6
7
8
AG
AG
AG
AG
D
C
B
A
4
5
6
3
2
EST[8]
MW[8]
BELL[8]
EST[9]
VOUT[8]
DTMFR[8]
RI
HOOK[8]
TI
HOOK[9]
VREF_C3
TJ
RJ
BELL[9]
HOOK[9]
MW[9]
VOUT[9]
DTMFR[9]
VREF_C3
BELL[8]
HOOK[8]
DTMFR[8]
VOUT[8]
MW[8]
BELL1
BELL1
VREF_C3
J
I
m
b
b
m
b
m
m
b
b
m
b
m
61
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KX-
TDA6174X
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