Panasonic KX-TDA6174XJ / KX-TDA6174X Service Manual ▷ View online
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
KX-
TDA6174XJ
/
KX-
TDA6174X
2/4
KX-TDA6174XJ/KX-TDA6174X ESLC16 CARD SCHEMATIC DIAGRAM No.3 (2/4)
CLK
1:10D;1:3G;2:1A;2:7A;1A
UHW
1:3G;2:1A;2:7A;1A
C_CS[2]
1:5B
DCLK
1:5A;2:1B;2:7B;1A
FH
1:4G;2:1A;2:7A;1A
(a)
nRST
1:4G;2:1A;2:7A;1A;4:10C
DHW
1:3G;2:1A;2:7A;1A
DIN
1:6B;2:1B;2:7B;1B
DOUT
1:5A;2:1B;2:7B;1B
CN200
36
11
CN200
37
12
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
1:8B;12C;12G;12H;6C;6E;6G;6H
MWDC1
1:8B;12E;12G;12H;6C;6E;6G;6H
C269
0.1
C270
0.1
C271
0.1
+15V
D203K
Q200K
E
C
B
NC
R204K
D201K
1
2
J202K
RL202K
6
7
5
ZNR20K
47V
1K 1W
R203K
ZNR21K
22V
RL202K
3
2
4
33K
R202K
NC
R201K
D200K
12
ZNR22K
NC
C200K 50V/10u
+15V
D203L
Q200L
E
C
B
NC
R204L
D201L
1
2
J202L
RL202L
6
7
5
ZNR20L
47V
1K 1W
R203L
ZNR21L
22V
RL202L
3
2
4
33K R202L
DG
NC
R201L
D200L
12
ZNR22L
NC
C200L 50V/10u
R207K
NC
NC
R208K
R207L
NC
DG
NC
R208L
C202K
25V/4R7
C202L
25V/4R7
C201K
50V/10u
C201L
50V/10u
R278
100
R279
100
+30V
+5V
+30V
+5V
DG
DG
FG
FG
FG
FG
AG
ZNR23K
47V
ZNR23L
47V
C204K
0.1
C203K
0.1
C204L 0.1
C203L 0.1
AG
RL203K
1
5
6
10
+
-
RL203K
2
9
+
-
RL203L
2
9
RL203L
1
5
6
10
+
-
RL202K
1
8
+
-
RL202L
1
8
+15V
+15V
+15V
+15V
IC200K
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
IC200L
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
Q204L
E
C
B
Q204K
E
C
B
Q203L
E
C
B
Q203K
E
C
B
TP411L
TP413L
TP415L
TP582
TP590
TP421L
TP587
TP595
TP583
TP412L
TP584
TP578
TP598
TP605
TP603
TP596
TP422K
TP407K
TP423L
TP421K
TP403L
TP414K
TP606
TP591
TP564
TP409K
TP417K
TP581
TP408L
TP402K
TP407L
TP423K
TP414L
TP604
TP403K
TP599
TP589
TP409L
TP594
TP592
TP600
TP586
TP402L
TP410K
TP597
TP412K
TP580
TP608
TP416K
TP565
TP411K
TP408K
TP563
TP588
TP417L
TP422L
TP415K
TP593
TP607
TP413K
TP585
TP579
TP410L
TP416L
+5V
+5V
RA42
10K
1
4
3
2
7
6
5
8
RA41
10K
1
2
3
4
5
6
7
8
TP610
TP612
AG
AG
AG
AG
F
E
H
G
BELL[9]
MW[9]
(1)
(2)
MW[10]
EST[10]
BELL[10]
EST[11]
BELL[11]
MW[11]
VOUT[10]
DTMFR[10]
VOUT[11]
DTMFR[11]
VOUT[9]
DTMFR[9]
HOOK[11]
HOOK[10]
HOOK[10]
VOUT[10]
MW[10]
BELL1
DTMFR[10]
TK
RK
VREF_C3
BELL[10]
HOOK[11]
VOUT[11]
MW[11]
DTMFR[11]
TL
RL
VREF_C3
BELL[11]
BELL1
MWDC1
K
L
4
5
6
3
2
m
b
b
m
b
m
m
b
b
m
b
m
62
KX-
TDA6174XJ
/
KX-
TDA6174X
3/4
KX-TDA6174XJ/KX-TDA6174X ESLC16 CARD SCHEMATIC DIAGRAM No.3 (3/4)
(3)
(4) (6)
(5)
CN200
38
13
MWDC1
1:8B;12C;12E;12G;12H;6C;6E;6G
CN200
39
14
MWDC1
1:8B;12C;12E;12G;12H;6C;6E;6H
C262
0.1
0.22
C258
C261
0.1
AG
IC251
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
C260
C259
0.1
DG
+5V
C266
1
R271
100K
C272
0.1
+15V
D203M
Q200M
E
C
B
NC
R204M
D201M
1
2
J202M
RL202M
6
7
5
ZNR20M
47V
1K 1W
R203M
ZNR21M
22V
RL202M
3
2
4
FG
33K
R202M
DG
NC
R201M
D200M
12
ZNR22M
NC
FG
C200M 50V/10u
+15V
D203N
Q200N
E
C
B
NC
R204N
D201N
1
2
J202N
RL202N
6
7
5
ZNR20N
47V
1K 1W
R203N
ZNR21N
22V
RL202N
3
2
4
FG
33K
R202N
DG
NC
R201N
D200N
12
ZNR22N
NC
FG
C200N 50V/10u
R207M
NC
DG
NC
R208M
R207N
NC
DG
NC
R208N
C202M
25V/4R7
C202N
25V/4R7
C201M
50V/10u
C201N
50V/10u
+30V
+5V
+30V
+5V
AG
AG
DG
C263
1
ZNR23M
47V
ZNR23N
47V
C204M
0.1
C203M
0.1
C204N
0.1
C203N
0.1
RL203N
1
5
6
10
+
-
RL203N
2
9
+
-
RL203M
2
9
RL203M
1
5
6
10
+
-
RL202N
1
8
+
-
RL202M
1
8
+15V
+15V
+15V
+15V
IC200N
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
IC200M
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
Q203M
E
C
B
Q204N
E
C
B
Q203N
E
C
B
Q204M
E
C
B
TP403N
TP411N
TP409M
TP411M
TP423N
TP621
TP662
TP624
TP625
TP417N
TP408M
TP417M
TP408N
TP410M
TP402N
TP619
TP415M
TP415N
TP403M
TP655
TP653
TP422M
TP614
TP623
TP409N
TP416M
TP421N
TP414N
TP413N
TP402M
TP421M
TP618
TP622
TP423M
TP627
TP412M
TP620
TP410N
TP407M
TP626
TP407N
TP413M
TP412N
TP422N
TP414M
TP416N
+5V
+5V
+5V
IC252
5
6
7
RA43
10K
1
2
3
6
4
5
7
8
RA44
10K
1
4
3
2
7
6
5
8
AG
AG
AG
AG
D
C
B
A
7
8
11
10
9
HOOK[12]
VOUT[12]
MW[12]
TM
DTMFR[12]
RM
VREF_C4
BELL[12]
HOOK[13]
RN
MW[13]
TN
DTMFR[13]
VREF_C4
VOUT[13]
BELL[13]
BELL1
VOUT[12]
BELL[12]
MW[12]
HOOK[13]
HOOK[12]
BELL1
EST[12]
DTMFR[12]
VREF_C4
M
N
m
b
b
m
b
m
m
b
b
m
b
m
63
KX-
TDA6174XJ
/
KX-
TDA6174X
4/4
KX-TDA6174XJ/KX-TDA6174X ESLC16 CARD SCHEMATIC DIAGRAM No.3 (4/4)
(3)
(4) (6)
(5)
CLK
1:10D;1:3G;2:1A;2:7A;8A
UHW
1:3G;2:1A;2:7A;8A
C_CS[3]
1:5B
DCLK
1:5A;2:1B;2:7B;8B
FH
1:4G;2:1A;2:7A;8A
nRST
1:4G;2:1A;2:7A;8A;4:10C
DHW
1:3G;2:1A;2:7A;8A
DIN
1:6B;2:1B;2:7B;8B
DOUT
1:5A;2:1B;2:7B;8B
DTMFR[8-15]
1:9D
EST[8-15]
1:7I
CN200
40
15
MWDC1
1:8B;12C;12E;12G;12H;6C;6G;6H
CN200
41
16
MWDC1
1:8B;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
C273
0.1
C274
0.1
C275
0.1
+15V
D203O
Q200O
E
C
B
NC
R204O
D201O
1
2
J202O
RL202O
6
7
5
ZNR20O
47V
1K 1W
R203O
ZNR21O
22V
RL202O
3
2
4
FG
33K
R202O
DG
NC
R201O
D200O
12
ZNR22O
NC
FG
C200O 50V/10u
+15V
D203P
Q200P
E
C
B
NC
R204P
D201P
1
2
J202P
RL202P
6
7
5
ZNR20P
47V
1K 1W
R203P
ZNR21P
22V
RL202P
3
2
4
FG
33K R202P
DG
NC
R201P
D200P
12
ZNR22P
NC
FG
C200P 50V/10u
R207O
NC
DG
NC
R208O
R207P
NC
DG
NC
R208P
C202O
25V/4R7
C202P
25V/4R7
BELL1
1:12B
C201O
50V/10u
C201P
50V/10u
R280
100
R281
100
+30V
+5V
+30V
+5V
AG
AG
ZNR23O
47V
ZNR23P
47V
C204O
0.1
C203O
0.1
C204P
0.1
C203P
0.1
RL203P
1
5
6
10
+
-
RL203P
2
9
+
-
RL203O
2
9
RL203O
1
5
6
10
+
-
RL202P
1
8
+
-
RL202O
1
8
+15V
+15V
+15V
+15V
IC200P
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
IC200O
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
Q203P
E
C
B
Q204P
E
C
B
Q204O
E
C
B
Q203O
E
C
B
TP657
TP628
TP416P
TP649
TP410P
TP617
TP645
TP648
TP660
TP415O
TP646
TP403P
TP422P
TP423P
TP629
TP661
TP641
TP659
TP414P
TP408O
TP634
TP408P
TP423O
TP631
TP421P
TP636
TP403O
TP643
TP642
TP638
TP411O
TP630
TP639
TP411P
TP407O
TP654
TP632
TP412P
TP410O
TP658
TP615
TP637
TP402O
TP635
TP409P
TP656
TP416O
TP650
TP421O
TP407P
TP402P
TP652
TP422O
TP413P
TP413O
TP640
TP417P
TP651
TP644
TP616
TP417O
TP647
TP415P
TP412O
TP409O
TP414O
TP633
+5V
+5V
RA45
10K
1
2
3
4
5
6
7
8
RA46
10K
1
4
3
2
7
6
5
8
TP663
TP665
AG
AG
AG
AG
F
E
H
G
BELL1,BELL[8-15],HOOK[8-15],DTMFR[8-15],EST[8-15],MW[8-15],VOUT[8-15],VREF_C3,VREF_C4
HOOK[14]
RO
MW[14]
TO
DTMFR[14]
VREF_C4
VOUT[14]
BELL[14]
HOOK[15]
RP
(a)
MW[15]
TP
DTMFR[15]
VREF_C4
VOUT[15]
BELL[15]
VOUT[15]
BELL[13]
BELL[14]
DTMFR[15]
EST[15]
MW[15]
MW[14]
HOOK[14]
EST[14]
VOUT[13]
BELL[15]
MW[13]
DTMFR[14]
VOUT[14]
EST[13]
BELL1
BELL1
HOOK[15]
DTMFR[13]
O
P
7
8
11
10
9
m
b
b
m
b
m
m
b
b
m
b
m
64
KX-
TDA6174XJ
/
KX-
TDA6174X
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