Panasonic KX-TDA3194XJ Service Manual ▷ View online
25
KX-TDA3194XJ
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KX-TDA3194XJ MAIN BOARD (4/4)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(j)
(k)
(m)
(p)
(r)
(n)
(q)
nRD
LAA[0]
LAA[1]
LAA[3]
nWE
LAA[2]
LDHW0
PATH[0]
PATH[1]
PATH[2]
PATH[3]
LA[0]
LD[7]
LD[6]
LD[5]
LD[4]
LD[3]
LD[2]
LD[1]
LD[0]
VOX[3]
VOX[2]
VOX[1]
VOX[0]
CNGSELB
CNGSELA
nINT_OP0
Mu/A
CNGDET
CNGDET
nDSPPDN[0]
nPD[2]
nPD[2]
nPD[3]
nPD[3]
nDSPRST[0]
nDSPACK[0]
BANK[2]
BANK[1]
BANK[0]
UCFG[0]
UCFG[1]
UCFG[2]
UCFG[3]
LA[0]
RA10
10k
1
2
3
4
6
7
8
7
8
DG
TP259
TP228
IC5
1
RST
2
GND2
3
NC3
4
P00
5
P01
6
P02
7
P03
8
P04
9
P05
10
P06
11
P07
12
GND12
13
P10
14
P11
15
P12
16
P13
17
P14
18
P15
19
P16
20
P17
21
P20
22
NC22
23
GND23
24
P21
25
P22
26
P23
27
P24
28
P25
29
P26
30
P27
31
P60
32
P61
33
VCC33
34
P62
35
P63
36
P30
37
P31
38
P32
39
P33
40
P34
41
P35
42
GND42
43
NC43
44
P36
45
P37
46
P40
47
P41
48
P42
49
P43
50
P44
51
P45
52
GND52
53
P46
54
P47
55
P50
56
P51
57
P52
58
P53
59
P54
60
P55
61
P56
62
NC62
63
GND63
64
P57
65
nWR
66
nRD
67
nCS
68
D0
69
D1
70
D2
71
D3
72
D4
73
VCC73
74
D5
75
D6
76
D7
77
A0
78
A1
79
A2
80
A3
RA6
10k
1
2
3
2
3
6
7
8
DG
TP254
RA1
10k
1
2
3
4
6
7
8
7
8
TP208
TP218
TP237
J5
0
SLTSEL[1]
TP207
+3.3Vd
TP240
TP219
DG
C78
0.01u
SLTSEL[0]
RA13
220
1
2
3
4
5
6
7
8
DG
TP205
TP246
TP234
DG
TP182
J6
NC
TP178
TP242
+3.3Vd
HW_OE
TP337
J12
0
IC19
14
7
DG
DG
DG
C71
0.01u
TP203
TP181
NRD
C77
0.01u
L3
0
DG
TP256
TP250
TP336
RA3
10k
1
2
3
6
7
8
7
8
+3.3Vd
TP301
RA9
10k
1
2
3
4
6
7
8
7
8
DG
DG
nWR
TP180
J7
0
J10
0
TP335
C75
0.01u
+3.3Vd
TP179
C76
0.01u
L4
0
IC18
14
7
+3.3Vd
DG
DG
IC19
12
13
11
TP253
TP231
R87
470k
+5.0Va
TP236
TP334
DG
TP177
TP293
TP239
TP258
J8
0
+5.0Va
DG
C72
0.01u
CNGSELB
TP244
TP304
TP333
+3.3Vd
TP176
C111
0.01u
TP267
TP206
TP292
IC19
9
10
8
TP245
DG
L2
0
CNGSELA
IC18
9
10
RA2
10k
1
2
3
4
6
7
8
7
8
TP159
C109
0.01u
TP249
C203
220u
TP305
RA12
10k
1
2
3
4
5
6
7
8
DG
TP216
TP332
TP298
J9
0
C82
0.01u
TP233
C73
0.01u
DG
C104
0.01u
DG
TP215
TP303
TP331
IC19
4
5
6
C202
100u
6.3V
TP255
TP202
+3.3Va
DG
C110
0.01u
DG
TP302
TP214
+5V
LUHW1
TP223
TP330
R79
68
TP300
C74
0.01u
C103
0.01u
CHP16k
TP213
TP204
+3.3V
TP241
TP235
TP222
C113NC
+3.3Vd
C80
0.01u
TP329
TP252
TP230
nSHW_FH
C204
10u
16V
C108
0.1u
TP238
RA7
10k
1
2
3
2
3
6
7
8
C105
0.01u
TP212
RA11
10k
1
2
3
4
5
6
7
8
TP299
TP221
+5.0Va
TP247
R80
100
DG
LDHW1
+3.3Va
RA8
10k
1
2
3
4
5
6
7
8
6
7
8
R84
22
TP225
TP257
TP211
TP278
TP220
+3.3Va
TP201
TP248
C81
0.01u
C114
NC
TP226
DG
TP243
TP210
RST
CHP8k
TP183
DG
DG
J4
NC
R78
4.7k
TP227
SHW_CLK
TP209
TP251
TP260
TP232
TP217
44
44
45
45
46
46
47
47
48
48
49
49
50
50
51
51
52
52
53
53
54
54
55
55
56
56
57
57
58
58
59
59
60
60
DG
C79
0.01u
44
44
45
45
46
46
47
47
48
48
49
49
50
50
51
51
52
52
53
53
54
54
55
55
56
56
57
57
58
58
59
59
60
60
+3.3Vd
Card ID
(ESVM2 --- A0h)
5
4
5
4
5
5
4
5
5
5
8
G/A
26
KX-TDA3194XJ
9 Printed Circuit Board
9.1.
Component View
CN103
IC11
20
1
1
1
4
8
5
20
11
11
10
10
IC10
C201
C200
C1
C4
C9
C8
C2
C3
C6
R6
R1
R5
IC16
C5
C3
6
1
5
10
C67
R75
J1
J2
R77
C66
C40
FIL2
C39
1
4
5
8
IC12 J13
R90
C38
R89
C70
R71
C21
8
7
8
1
14
5
1
4
C20
R17
C29
R14
R57
C112
14
8
1
7
C18
1
8
4
5
R95
C65
C80
C64
C42
C47
C43
C36
GND1
R18
C75
C73
C103
CN102
1
10
20
30
40
50
60
2
9
19
29
39
49
59
J4
64
65
80
1
24
25
40
41
C76
C81
RA2
C77
C78
C82
C72
R87
C114
C113
C109
C108
C202
R15
C84
C74
C57
C58
R43
C19
R16
C71
C27
C28
C27
C28
C33
C79
C52
25
26
R51
R52
X1
R2
C15
R7
C83
R45
+33V1
R42
C25
C34
50
J6
J7
J8
J9
J10
J12
51
75
76
RA10
RA3
RA9
100
1
C37
R10 C11
C16
C12
R11
R54
R91 C41
R62
C60
C51
C49
C44
C104
J5
L4
L2
L3
C110
R92
C46
R48
R31
C35
R46
C7
KX-TDA3194XJ COMPONENT VIEW
IC2
IC9
36
25
24
13
12
1
48
37
IC15
IC7
IC17
8
5
1
4
1
4
8
5
IC6
IC14
IC1
IC5
A
RA6
RA7
C203
C204
FIL3
PbF
MSG2
ESVM2
KX-TDA3194/5194/3191/5191/TAW84891
PSUP1713Z
27
KX-TDA3194XJ
9.2.
Bottom View
+5.0Va
GND
R59
R60
R61
C69
C24
C32 R32
R39
R40
R37
R38
C30
R30
R25
C48
C53
C54
C50
C59
R93
C62
C63
R26
R27
C31
R3
R47
C107
R64
R73
R74
R66
R78
R83
R70
R69
R72
R68
R85
J3
R86
R80
R79
R88
C106
R65
R63
J11
C45
R44
R8
C7
R4 C10
C68
C13
C14
R12
R13
R28
R24
C22
C55
RA4
C61
R94
R41
R67
C111
R84
IC18
R81 R82
C105
8
14
7
1
C56
R21
R20
C23
C26
R23
R22
R22
CN101
1
2
19
20
29
30
39
40
49
50
59
60
9
10
+3.3Va
+5V
+3.3V
+40V
+3.3Vd
+15V
+40VPF
KX-TDA3194XJ BOTTOM VIEW
D13
D12
D10
D11
DA1
RA11
RA1
RA8
RA13
RA14
RA15
RA12
10
1
20
11
IC19
IC8
1
7
8
14
28
KX-TDA3194XJ
10 Appendix Information of Schematic Diagram
Note:
1. DC voltage measurements are taken with an oscilloscope or a tester with a ground.
2. The schematic diagrams and circuit board may be modified at any time with the development of new technology.
2. The schematic diagrams and circuit board may be modified at any time with the development of new technology.
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