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16.2.
No.2
1/4
(1)
(2)
KX-TDA6174XJ/KX-TDA6174X ESLC16 CARD SCHEMATIC DIAGRAM No.2 (1/4)
+5V
DG
0.1
C208
0.22
C204
AG
0.1
C206
CN201
DIAG_R
1:2A
DIAG_T
1:2A
CN201
MWDC0
1:8C;12C;12E;12G;6C;6E;6G;6H
1
CN200
26
PF_RLY
1:7D
D204
1
2
DG
2
CN200
27
RL200A
3
2
4
RL200A
6
7
5
0.1
C207
IC201
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
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
C205
0.1
AG
RL200B
3
2
4
CN201
CN201
RL200B
6
7
5
MWDC0
1:8C;12C;12E;12H;6C;6E;6G;6H
DG
+5V
C217
1
R228
100K
C221
0.1
+5V
+15V
+30V
D203A
Q201A
E
C
B
Q200A
E
C
B
220
R206A
DG
D202A
1
2
NC
R204A
D201A
1
2
J202A
RL202A
6
7
5
ZNR20A
47V
1K 1W
R203A
RL201A
3
2
4
ZNR21A
22V
RL202A
3
2
4
FG
RL201A
6
7
5
33K
R202A
DG
NC
R201A
D200A
12
ZNR22A
NC
FG
+15V
D203B
Q200B
E
C
B
NC
R204B
D201B
1
2
J202B
RL202B
6
7
5
ZNR20B
47V
1K 1W
R203B
ZNR21B
22V
RL202B
3
2
4
FG
33K
R202B
DG
NC
R201B
D200B
12
ZNR22B
NC
FG
C200B 50V/10u
R236
56
R207A
NC
NC
R208A
DG
R207B
NC
DG
NC
R208B
C202A
25V/4R7
C202B
25V/4R7
C201A
50V/10u
C201B
50V/10u
+30V
+5V
AG
DG
C209
1
ZNR23A
47V
ZNR23B
47V
C204A
0.1
C203A
0.1
C204B
0.1
C203B
0.1
C203
0.1
C210
1
50V/10u
C200A
+
-
RL202A
1
8
+
-
RL201A
1
8
+
-
RL202B
1
8
RL203A
1
5
6
10
RL203B
1
5
6
10
+
-
RL203B
2
9
+
-
RL203A
2
9
+15V
+15V
+15V
+15V
+15V
+15V
Q203B
E
C
B
Q203A
E
C
B
Q204A
Q204B
IC200A
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
IC200B
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
TP421B
TP409B
TP415B
TP471
TP427
TP411B
TP406A
TP413B
TP431
TP402B
TP426
TP410A
TP430
TP414A
TP407B
TP433
TP422A
TP420A
TP418A
TP416B
TP412B
TP413A
TP412A
TP463
TP464
TP415A
TP425
TP437
TP460
TP423B
TP422
TP434
TP407A
TP409A
TP410B
TP428
TP417B
TP436
TP417A
TP403A
TP403B
TP414B
TP402A
TP408B
TP429
TP422B
TP423A
TP435
TP416A
TP461
TP405A
TP408A
TP432
TP411A
TP421A
+5V
+5V
Q202
2.2K:2.2K
E
C
B
+5V
IC203
1
2
3
4
8
RA31
10K
1
2
3
4
5
6
7
8
RA32
10K
4
3
2
1
8
7
6
5
FG
AG
AG
AG
AG
AG
+
-
RL200D
1
8
+
-
RL200C
1
8
+
-
RL200B
1
8
+
-
RL200A
1
8
D
C
B
A
4
5
6
3
2
EST[0]
MW[0]
BELL[0]
BELL[0]
DIAG[0]
RA
TA
EST[1]
VREF_C1
VOUT[0]
DTMFR[0]
HOOK[0]
HOOK[1]
VREF_C1
TB
RB
BELL[1]
HOOK[1]
MW[1]
VOUT[1]
DTMFR[1]
VREF_C1
BELL0
MW[0]
BELL0
VOUT[0]
DTMFR[0]
HOOK[0]
BELL[0]
DIAG[0]
b
b
m
m
m
m
b
b
B
m
b
b
m
m
b
m
b
b
m
A
m
b
b
m
b
m
20
21
22
57
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