Read Panasonic KX-TDA0175 / KX-TDA0175XJ / KX-TDA0175X (serv.man2) Service Manual Supplement online
3.3. No.3
CLK
UHW
C_CS[2]
DCLK
FH
nRST
DHW
DIN
DOUT
+5V
DG
0.1
C255
0.22
C251
AG
0.1
C253
MWDC1
9
CN200
34
10
CN200
35
CN200
36
11
CN200
37
12
0.1
C254
IC252
1
2
3
8
4
IC250
5 SB3_0
6 SO3_1
S03_0
7
GNDA1 50
INT34 15
VDDA34 61
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
VDDD 24
VDDA12 52
GNDA2
54
9 SO4_1
S04_0
8
10 SB4_0
11 SB4_1
SI4_1
14
13 SI4_0
SB4_2
12
39
SB1_0
38
SB1_1
SI1_1
35
36
SI1_0
SB1_2
37
44 SB2_0
45 SB2_1
SI2_1
48
47 SI2_0
SB2_2
46
VDDREF 57
40
SO1_1
S01_0
41
VREF 56
43 SO2_1
S02_0
42
GNDA3 59
GNDA4
63
GNDD
21
CHCLK1 33
CHCLK2 16
TCB
28
DRA
27
DXA
26
TCA
25
Vout1
51
Vin1
49
53
Vout2
Vin2
55
60 Vout3
Vin3
58
62 Vout4
Vin4
64
C252
0.1
AG
R250
22
R251
22
TP515
TP516
TP517
TP518
TP519
TP514
TP521
TP522
TP523
TP524
TP525
TP526
TP528
TP529
TP530
TP531
TP532
TP533
TP535
TP536
TP537
TP538
TP539
TP540
TP541
TP551
TP550
TP559
TP557
TP556
TP555
TP554
TP552
TP553
MWDC1
MWDC1
DG
FIL251
1
2
3
+5V
C264
1
C265
2.2
R252
10K
R253
10K
R254
10K
R255
10K
R256
10K
R257
10K
R258
10K
R259
10K
+5V
TP542
+5V
TP543
+5V
+5V
TP544
TP545
+5V
+5V
TP546
TP547
+5V
+5V
TP548
TP549
TP558
R268
100K
100K
R269
N.C
R270
N.C
TP608
C268
0.1
C269
0.1
C270
0.1
C271
0.1
TP520
TP527
TP534
TP618
TP619
TP620
TP621
TP411I
TP409I
TP410I
TP414I
TP416I
TP415I
TP417I
+5V
TP408I
RL202I
1
8
+15V
+30V
D203I
TP407I
TP413I
TP412I
Q200I
E
C
B
220
R204I
+15V
D201I
1
2
RL203I
2
9
J202I
DG
RL202I
6
7
5
ZNR20I
47V
1K 1W
R203I
ZNR21I
22V
RL202I
3
2
4
FG
33K
R202I
DG
+15V
1K
R201I
D200I
1
2
ZNR22I
FG
L200I
TP402I
TP403I
L201I
TP400I
TP401I
IC200I
8
Vref
7
A_IN
4
A_OUT
3
HOOK
10
BELL
11
RLY
1
DG
2 +5V
12 +30V
9 RING
5 R1
6 T1
14 R0
15 T0
13
AG
C200I
50V/10u
TP411J
TP409J
TP410J
TP414J
TP416J
TP415J
TP417J
TP408J
RL202J
1
8
+15V
D203J
TP407J
TP413J
TP412J
Q200J
E
C
B
220
R204J
D201J
1
2
RL203J
2
9
J202J
RL202J
6
7
5
ZNR20J
47V
1K 1W
R203J
ZNR21J
22V
RL202J
3
2
4
33K
R202J
+15V
1K
R201J
D200J
1
2
ZNR22J
L200J
TP402J
TP403J
L201J
TP400J
TP401J
IC200J
8
Vref
7
A_IN
4
A_OUT
3
HOOK
10
BELL
11
RLY
1
DG
2 +5V
12 +30V
9 RING
5 R1
6 T1
14 R0
15 T0
13
AG
C200J
50V/10u
TP411K
TP409K
TP410K
TP414K
TP416K
TP415K
TP417K
TP408K
RL202K
1
8
+15V
D203K
TP407K
TP413K
TP412K
Q200K
E
C
B
220
R204K
D201K
1
2
RL203K
2
9
J202K
DG
RL202K
6
7
5
ZNR20K
47V
1K 1W
R203K
ZNR21K
22V
RL202K
3
2
4
33K
R202K
+15V
1K
R201K
D200K
1
2
ZNR22K
L200K
TP402K
TP403K
L201K
TP400K
TP401K
IC200K
8
Vref
7
A_IN
4
A_OUT
3
HOOK
10
BELL
11
RLY
1
DG
2 +5V
12 +30V
9 RING
5 R1
6 T1
14 R0
15 T0
13
AG
C200K
50V/10u
TP411L
TP409L
TP410L
TP414L
TP416L
TP415L
TP417L
TP408L
RL202L
1
8
+15V
D203L
TP407L
TP413L
TP412L
Q200L
E
C
B
220
R204L
+15V
D201L
1
2
RL203L
2
9
J202L
DG
RL202L
6
7
5
ZNR20L
47V
1K 1W
R203L
ZNR21L
22V
RL202L
3
2
4
33K
R202L
DG
+15V
1K
R201L
D200L
1
2
ZNR22L
L200L
TP402L
TP403L
L201L
TP400L
TP401L
IC200L
8
Vref
7
A_IN
4
A_OUT
3
HOOK
10
BELL
11
RLY
1
DG
2 +5V
12 +30V
9 RING
5 R1
6 T1
14 R0
15 T0
13
AG
C200L
50V/10u
TP421I
Q203I
TP422I
R207I
390
TP423I
DG
Q204I
1M
R208I
TP421J
Q203J
TP422J
R207J
390
TP423J
Q204J
1M
R208J
TP421K
Q203K
TP422K
R207K
390
TP423K
Q204K
1M
R208K
TP421L
Q203L
TP422L
R207L
390
TP423L
DG
Q204L
1M
R208L
C202I
25V/4R7
C202J
25V/4R7
C202K
25V/4R7
C202L
25V/4R7
C201I
50V/10u
C201J
50V/10u
C201K
50V/10u
C201L
50V/10u
L206
220
L207
220
R278
100
R279
100
TP660
TP661
TP662
TP663
+3.3V
R284
N.C
L48
0
TP681
DG
DG
DG
+30V
+5V
+30V
+5V
+30V
+5V
+15V
DG
DG
DG
+15V
DG
DG
FG
FG
FG
FG
FG
FG
AG
AG
AG
C256
16V/1
DG
L52
0
ZNR23I
47V
ZNR23J
47V
ZNR23K
47V
ZNR23L
47V
C203I
0.1
C204I
0.1
C204J
0.1
C203J
0.1
C204K
0.1
C203K
0.1
C204L
0.1
C203L
0.1
AG
DG
C250
0.1
C257
1
TP513
RL203I
5
1
10
6
RL203J
5
1
10
6
RL203K
5
1
10
6
RL203L
5
1
10
6
DHW
DOUT
CLK
C_CS[2]
FH
DCLK
nRST
EST[8]
MW[8]
BELL[8]
DIAG[8]
DIAG[9]
BELL[9]
MW[9]
EST[9]
MW[10]
EST[10]
BELL[10]
DIAG[10]
EST[11]
DIAG[11]
BELL[11]
MW[11]
VOUT[8]
DTMFR[8]
VOUT[10]
DTMFR[10]
VOUT[11]
DTMFR[11]
VOUT[9]
DTMFR[9]
RI
HOOK[8]
TI
HOOK[9]
HOOK[11]
HOOK[10]
VREF_C3
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]
TJ
RJ
BELL[9]
HOOK[9]
MW[9]
VOUT[9]
DTMFR[9]
VREF_C3
BELL1
BELL[8]
HOOK[8]
DTMFR[8]
VOUT[8]
MW[8]
BELL1
BELL1
VREF_C3
MWDC1
DIN
UHW
K
L
J
I
m
b
b
m
b
m
m
b
b
m
b
m
m
b
b
m
b
m
m
b
b
m
b
m
(1)
KX-TDA0175 SCHEMATIC DIAGRAM NO.3
D205I
DG
D205J
DG
D205K
DG
D205L
DG
16
KX-TDA0175 / KX-TDA0175XJ / KX-TDA0175X
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