Panasonic KX-TDA6174XJ / KX-TDA6174X Service Manual ▷ View online
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
KX-
TDA6174XJ
/
KX-
TDA6174X
2/4
(1)
(a)
(2)
KX-TDA6174XJ/KX-TDA6174X ESLC16 CARD SCHEMATIC DIAGRAM No.2 (2/4)
CLK
1:10D;1:3G;1A;3:1A;3:8A
UHW
1:3G;1A;3:1A;3:8A
C_CS[0]
1:5B
DCLK
1:5A;1B;3:1A;3:8B
FH
1:4G;1A;3:1A;3:8A
nRST
1:4G;1A;3:1A;3:8A;4:10C
DHW
1:3G;1A;3:1A;3:8A
DIN
1:6B;1B;3:1B;3:8B
DOUT
1:5A;1B;3:1B;3:8B
CN200
28
3
CN200
29
4
5
SB3_0
6 SO3_1
S03_0
7
INT34
15
INT12
34
DRB
30
PCLK
32
FSC
31
DOUT
20
DIN
19
DXB
29
RESET
23
MCLK
22
CS
17
DCLK
18
4
SB3_1
SI3_1
1
2
SI3_0
SB3_2
3
9
SO4_1
S04_0
8
10 SB4_0
11 SB4_1
SI4_1
14
13 SI4_0
SB4_2
12
44 SB2_0
43 SO2_1
S02_0
42
CHCLK1
33
CHCLK2
16
TCB
28
DRA
27
DXA
26
TCA
25
53 Vout2
Vin2
55
60
Vout3
Vin3
58
62
Vout4
Vin4
64
RL200C
3
2
4
CN202
CN202
RL200C
6
7
5
MWDC0
1:8C;12C;12G;12H;6C;6E;6G;6H
RL200D
3
2
4
CN202
CN202
RL200D
6
7
5
MWDC0
1:8C;12E;12G;12H;6C;6E;6G;6H
C222
0.1
C223
0.1
C224
0.1
+15V
D203C
Q200C
E
C
B
NC
R204C
D201C
1
2
J202C
RL202C
6
7
5
ZNR20C
47V
1K 1W
R203C
ZNR21C
22V
RL202C
3
2
4
FG
33K R202C
DG
NC
R201C
D200C
12
ZNR22C
NC
FG
C200C 50V/10u
+15V
D203D
Q200D
E
C
B
NC
R204D
D201D
1
2
J202D
RL202D
6
7
5
ZNR20D
47V
1K 1W
R203D
ZNR21D
22V
RL202D
3
2
4
FG
33K R202D
DG
NC
R201D
D200D
12
ZNR22D
NC
FG
C200D 50V/10u
R207C
NC
DG
NC
R208C
R207D
NC
DG
NC
R208D
C202C
25V/4R7
C202D
25V/4R7
C201C
50V/10u
C201D
50V/10u
R274
100
R275
100
+30V
+5V
+30V
+5V
AG
AG
ZNR23C
47V
ZNR23D
47V
C204C
0.1
C203C
0.1
C204D
0.1
C203D
0.1
+
-
RL202C
1
8
+
-
RL202D
1
8
RL203C
1
5
6
10
RL203D
1
5
6
10
+
-
RL203D
2
9
+
-
RL203C
2
9
+15V
+15V
+15V
+15V
Q203C
E
C
B
Q203D
E
C
B
Q204D
Q204C
IC200C
1
DG
2
+5V
3
HOOK
4
A_OUT
5
R1
6
T1
7
A_I
N
8
Vref
9
RING
10
BELL
11
RLY
12
+30V
13
AG
14
R0
15
T0
IC200D
1
DG
2
+5V
3
HOOK
4
A_OUT
5
R1
6
T1
7
A_I
N
8
Vref
9
RING
10
BELL
11
RLY
12
+30V
13
AG
14
R0
15
T0
TP421C
TP445
TP458
TP452
TP468
TP410D
TP409C
TP415D
TP444
TP440
TP446
TP412C
TP417C
TP456
TP414C
TP465
TP408C
TP466
TP469
TP457
TP403D
TP454
TP407C
TP423D
TP402C
TP413D
TP462
TP472
TP411D
TP416C
TP443
TP453
TP442
TP439
TP414D
TP422C
TP421
TP423C
TP423
TP408D
TP451
TP409D
TP422D
TP407D
TP441
TP415C
TP412D
TP455
TP459
TP416D
TP421D
TP448
TP449
TP470
TP413C
TP424
TP410C
TP402D
TP467
TP450
TP417D
TP438
TP411C
TP447
TP403C
+5V
+5V
RA34
10K
1
4
3
2
7
6
5
8
RA33
10K
1
2
3
4
5
6
7
8
TP474
AG
AG
AG
AG
F
E
H
G
4
5
6
3
2
DHW
DOUT
CLK
C_CS[0]
FH
DCLK
nRST
BELL[1]
MW[1]
MW[2]
EST[2]
BELL[2]
EST[3]
BELL[3]
MW[3]
VOUT[2]
DTMFR[2]
DTMFR[2]
VOUT[3]
DTMFR[3]
DTMFR[3]
VOUT[1]
DTMFR[1]
DTMFR[1]
HOOK[3]
HOOK[2]
HOOK[2]
VOUT[2]
MW[2]
BELL0
TC
RC
DTMFR[2]
VREF_C1
BELL[2]
HOOK[3]
VOUT[3]
MW[3]
TD
RD
DTMFR[3]
VREF_C1
BELL[3]
BELL0
DIN
UHW
m
m
b
b
m
m
b
b
C
D
m
b
b
m
b
m
m
b
b
m
b
m
23
25
24
58
KX-
TDA6174XJ
/
KX-
TDA6174X
3/4
(3)
(4) (6)
(5)
KX-TDA6174XJ/KX-TDA6174X ESLC16 CARD SCHEMATIC DIAGRAM No.2 (3/4)
CN200
30
5
MWDC0
1:8C;12C;12E;12G;12H;6C;6E;6G
CN200
31
6
MWDC0
1:8C;12C;12E;12G;12H;
6C;6E;6H
6C;6E;6H
C215
0.1
0.22
C211
C214
0.1
AG
IC202
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
SI2_1
48
VDDREF
57
40
SO1_1
S01_0
41
VREF
56
GNDA3
59
GNDA4
63
GNDD
21
Vout1
51
Vin1
49
AG
0.
1
C213
C212
0.1
DG
+5V
C219
1
R231
100K
C225
0.1
+15V
D203E
Q200E
E
C
B
NC
R204E
D201E
1
2
J202E
RL202E
6
7
5
ZNR20E
47V
1K 1W
R203E
ZNR21E
22V
RL202E
3
2
4
FG
33K
R202E
DG
NC
R201E
D200E
12
ZNR22E
NC
FG
C200E 50V/10u
+15V
D203F
Q200F
E
C
B
NC
R204F
D201F
1
2
J202F
RL202F
6
7
5
ZNR20F
47V
1K 1W
R203F
ZNR21F
22V
RL202F
3
2
4
FG
33K
R202F
DG
NC
R201F
D200F
12
ZNR22F
NC
FG
C200F 50V/10u
R207E
NC
DG
NC
R208E
R207F
NC
DG
NC
R208F
C202E
25V/4R7
C202F
25V/4R7
C201E 50V/10u
C201F
50V/10u
+30V
+5V
+30V
+5V
AG
AG
C216
1
DG
ZNR23E
47V
ZNR23F
47V
C204E
0.1
C203E 0.1
C204F
0.1
C203F
0.1
+
-
RL202F
1
8
+
-
RL202E
1
8
RL203F
1
5
6
10
RL203E
1
5
6
10
+
-
RL203E
2
9
+
-
RL203F
2
9
+15V
+15V
+15V
+15V
Q203F
E
C
B
Q203E
E
C
B
Q204E
Q204F
IC200F
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
IC200E
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
TP517
TP408E
TP402F
TP416E
TP509
TP421E
TP516
TP422E
TP409E
TP417F
TP407F
TP414E
TP416F
TP409F
TP408F
TP515
TP422F
TP403F
TP423F
TP410E
TP511
TP476
TP508
TP403E
TP411F
TP417E
TP410F
TP423E
TP510
TP421F
TP415E
TP412E
TP411E
TP412F
TP524
TP512
TP415F
TP489
TP413F
TP413E
TP414F
TP402E
TP480
TP513
TP407E
TP514
+5V
+5V
+5V
IC203
5
6
7
RA35
10K
1
2
3
4
5
6
7
8
RA36
10K
1
4
3
2
7
6
5
8
AG
AG
AG
AG
D
C
B
A
7
8
11
10
9
HOOK[4]
VOUT[4]
MW[4]
TE
DTMFR[4]
RE
VREF_C2
BELL[4]
HOOK[5]
RF
MW[5]
TF
DTMFR[5]
VREF_C2
VOUT[5]
BELL[5]
BELL0
VOUT[4]
BELL[4]
MW[4]
HOOK[5]
HOOK[4]
BELL0
EST[4]
DTMFR[4]
VREF_C2
E
F
m
b
b
m
b
m
m
b
b
m
b
m
59
KX-
TDA6174XJ
/
KX-
TDA6174X
4/4
(3)
(a)
(4) (6)
(5)
KX-TDA6174XJ/KX-TDA6174X ESLC16 CARD SCHEMATIC DIAGRAM No.2 (4/4)
CLK
1:10D;1:3G;7A;3:1A;3:8A
UHW
1:3G;7A;3:1A;3:8A
C_CS[1
]
1:5B
DCLK
1:5A;7B;3:1A;3:8B
FH
1:4G;7A;3:1A;3:8A
nRST
1:4G;7A;3:1A;3:8A;4:10C
DHW
1:3G;7A;3:1A;3:8A
DIN
1:6B;7B;3:1B;3:8B
DOUT
1:5A;7B;3:1B;3:8B
DTMFR[0-7]
1:12D
EST[0-7]
1:9D
CN200
32
7
MWDC0
1:8C;12C;12E;12G;12H;6C;6G;6H
CN200
33
8
MWDC0
1:8C;12C;12E;12G;12H;6E;6G;6H
5
SB3_0
6 SO3_1
S03_0
7
INT34
15
INT12
34
DRB
30
PCLK
32
FSC
31
DOUT
20
DIN
19
DXB
29
RESET
23
MCLK
22
CS
17
DCLK
18
4
SB3_1
SI3_1
1
2
SI3_0
SB3_2
3
9
SO4_1
S04_0
8
10 SB4_0
11 SB4_1
SI4_1
14
13 SI4_0
SB4_2
12
44 SB2_0
45 SB2_1
47 SI2_0
SB2_2
46
43 SO2_1
S02_0
42
CHCLK1
33
CHCLK2
16
TCB
28
DRA
27
DXA
26
TCA
25
53 Vout2
Vin2
55
60
Vout3
Vin3
58
62
Vout4
Vin4
64
C226
0.1
C227
0.1
C228
0.1
+15V
D203G
Q200G
E
C
B
NC
R204G
D201G
1
2
J202G
RL202G
6
7
5
ZNR20G
47V
1K 1W
R203G
ZNR21G
22V
RL202G
3
2
4
FG
33K
R202G
DG
NC
R201G
D200G
12
ZNR22G
NC
FG
C200G 50V/10u
+15V
D203H
Q200H
E
C
B
NC
R204H
D201H
1
2
J202H
RL202H
6
7
5
ZNR20H
47V
1K 1W
R203H
ZNR21H
22V
RL202H
3
2
4
FG
33K R202H
DG
NC
R201H
D200H
12
ZNR22H
NC
FG
C200H 50V/10u
R207G
NC
DG
NC
R208G
R207H
NC
DG
NC
R208H
C202G
25V/4R7
C202H
25V/4R7
BELL0
1:12C
C201G
50V/10u
C201H
50V/10u
R276
100
R277
100
+30V
+5V
+30V
+5V
AG
AG
ZNR23G
47V
ZNR23H
47V
C204G
0.1
C203G
0.1
C204H
0.1
C203H
0.1
+
-
RL202H
1
8
+
-
RL202G
1
8
RL203H
1
5
6
10
RL203G
1
5
6
10
+
-
RL203G
2
9
+
-
RL203H
2
9
+15V
+15V
+15V
+15V
Q203G
E
C
B
Q203H
E
C
B
Q204H
Q204G
IC200H
1
DG
2
+5V
3
HOOK
4
A_OUT
5
R1
6
T1
7
A_I
N
8
Vref
9
RING
10
BELL
11
RLY
12
+30V
13
AG
14
R0
15
T0
IC200G
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
TP523
TP415H
TP413H
TP479
TP494
TP423G
TP495
TP502
TP412G
TP522
TP497
TP525
TP503
TP484
TP408H
TP422G
TP422H
TP496
TP507
TP493
TP499
TP485
TP483
TP486
TP403H
TP501
TP414H
TP487
TP488
TP413G
TP521
TP478
TP498
TP412H
TP490
TP407H
TP417G
TP518
TP477
TP519
TP417H
TP492
TP416G
TP506
TP416H
TP500
TP403G
TP482
TP409H
TP410G
TP504
TP421H
TP411G
TP520
TP423H
TP402H
TP409G
TP421G
TP491
TP414G
TP411H
TP415G
TP408G
TP505
TP410H
TP481
TP402G
TP407G
+5V
+5V
RA37
10K
1
2
3
4
5
6
7
8
RA38
10K
1
4
3
2
7
6
5
8
TP527
AG
AG
AG
AG
F
E
H
G
7
8
11
10
9
BELL0,BELL[0-7],HOOK[0-7],DIAG[0],DTMFR[0-7],EST[0-7],MW[0-7],VREF_C1,VREF_C2,VOUT[0-7]
HOOK[6]
RG
MW[6]
TG
DTMFR[6]
VREF_C2
VOUT[6]
BELL[6]
HOOK[7]
RH
MW[7]
TH
DTMFR[7]
VREF_C2
VOUT[7]
BELL[7]
VOUT[7]
BELL[5]
BELL[6]
DTMFR[7]
EST[7]
MW[6]
HOOK[6]
EST[6]
VOUT[5]
BELL[7]
MW[5]
DTMFR[6]
VOUT[6]
EST[5]
BELL0
BELL0
HOOK[7]
MW[7]
DTMFR[5]
G
H
m
b
m
b
m
m
b
b
m
b
m
60
KX-
TDA6174XJ
/
KX-
TDA6174X
Click on the first or last page to see other KX-TDA6174XJ / KX-TDA6174X service manuals if exist.