Panasonic KX-TDA0173 / KX-TDA0173XJ / KX-TDA0173X (serv.man2) Service Manual / Supplement ▷ View online
Ref.
No.
Part No.
Part Name & Description
Remarks
C707
PQCUV1E823KB
0.082
S
C708
ECUV1E104ZFV
0.1
S
C709
ECA2EHG100
10P
C711
ECA2EHG100
10P
C712
ECUV1C473KBV
0.047
S
C713
ECUV1E104ZFV
0.1
S
C714
ECUV1H471JCV
470P
S
C715
ECUV1E104ZFV
0.1
S
C716
ECUV1H104ZFV
0.1
S
C717
ECA1HHG101
100P
Ref.
No.
Part No.
Part Name & Description
Remarks
C718
ECUV1E104ZFV
0.1
S
C801
EEUFC1E101S
100
C802
EEUFC1E121
120
C805
ECUV1E104ZFV
0.1
S
C806
ECUV1E104ZFV
0.1
S
C807
ECUV1C104ZFV
0.1
C808
ECUV1C104ZFV
0.1
C809
EEUFC0J221
220
C810
EEUFC1A151
150
9
KX-TDA0173 / KX-TDA0173XJ / KX-TDA0173X
2 TEMPORAL NEW MAIN BOARD
2.1. COMPONENT VIEW
L804
C8
C6
C9
Q52
C7
R15R18
R14
IC1
R62
R59
D56
C58
C57
R65
Q53
R55
R11
RL52
RL51
T1
1
4
5
8
R12
C2
Q4
R78
R51
ZNR2
ZNR1
ZNR52
ZNR53H
ZNR53B
ZNR53F
ZNR53E
ZNR53D
ZNR53C
ZNR53B
ZNR53A
L203D
L204E
L204D
L204C
J203
J204
J202
L203C
L203B
RL252
RL251
J201
CN3
L1E
25
50
1
26
L203E
CN4
ZNR51
R7
R3
R5
R4
R1
R27
R6
R2
R26
D55
R28
LED1
R29
STS
C51
L2
L1
C55
C56
U6GH
H
R17
C44
R88
C8
C6
C9
Q52
C7
R15
R18
R14
IC1
R62
R59
C254
C251
R65
D56
C58
C57
R72
Q53
R55
R11
RL52
RL51
T1
1
4
5
8
R12
C2
Q4
R78
R51
ZNR2
ZNR1
ZNR52
ZNR51
R7
R3
R5
R4
R1
R27
R6
R2
R26
D55
C51
L2
L1
C55
C56
C
R17
C8
C6
C9
Q52
C7
R15R18
R14
IC1
R62
R59
D56
C58
C57
R65
Q53
R55
R11
RL52
RL51
T1
1
4
5
8
R12
C2
Q4
R78
R51
ZNR2
L203G
L203F
L204G
ZNR1
ZNR52
ZNR51
R7
R3
R5
R4
R1
R27
R6
R2
R26
D55
C51
L2
L1
C55
C56
G
R17
C8
C6
C9
Q52
C7
R15R18
R14
IC1
R62
R59
D56
C58
C57
R65
Q53
R55
R11
RL52
RL51
T1
1
4
5
8
R12
C2
Q4
R78
R51
ZNR2
ZNR1
ZNR52
ZNR51
R7
R3
R5
R4
R1
R27
R6
R2
R26
D55
C51
L2
L1
C55
C56
F
R17
C8
C6
C9
Q52
C7
R15R18
R14
IC1
R62
R59
D56
C58
C57
R65
Q53
R55
R11
RL52
RL51
T1
1
4
5
8
R12
C2
Q4
R78
R51
ZNR2
ZNR1
ZNR52
ZNR51
R7
R3
R5
R4
R1
R27
R6
R2
R26
D55
C51
C55
C56
U6EF
E
R17
C8
C6
C9
Q52
C7
R15R18
R14
IC1
R62
R59
D56
C58
C57
R65
Q53
R55
R11
RL52
RL51
T1
1
4
5
8
R12
C2
Q4
R78
R51
ZNR2
ZNR1
ZNR52
ZNR51
R7
R3
R5
R4
R1
R27
R6
R2
R26
D55
C51
L2
L1
C55
C56
U6CD
D
R17
C8
C6
C9
Q52
C7
R15R18
R14
IC1
R62
R59
D56
C58
C57
R65
R75
Q53
R55
R11
RL52
RL51
T1
1
4
5
8
R12
C2
Q4
R78
R51
ZNR2
ZNR1
ZNR52
ZNR51
R7
R3
R5
R4
R1
R27
R6
R2
R26
U3
U3
U3
U3
U3
U3
U3
U3
D55
C51
L2
L1
L1
C55
C56
B
R17
C8
C6
C9
Q52
CN501
R543
L512
L514
L516
L518
L520
L521
FIL509
FIL503
L528
L529
L534
J110
L535
L532
L533
L538
L547
L549
L712
L543
L531
L530
L707
L709
J112
J511
A45
B45
IC504
1
48
25
24
L515
L508
L510
L519
L517
C525
C545
C544
J513
C514
J512
RA526
RA535
RA531
RA522
RA528
RA530
RA532 RA536
RA529
RA525
RA523
RA524
40
35
30
R556
FIL251
C262
C261
C256
1
16
17
32
33
48
49
C258
C257
C252
C253
C259
C260
64
J115
L252
L713
R557
R592
R593
R591
R590
25
20
CN2
15
10
5
A1
B1
IC302
C805
C527
R541
IC505
11
0
11
20
J26
J25 RA40
R313
R312
R258
L5
R42
RA49
R43
L4
L3
L253
C269
J116
L714
R257
L254
CN1
17
30
29
1
15
14
16
2
C274
R256
R47
R49
R48
R311 IP4
C35
C801
L801
IP801
L803
C39
L805
C717
C715
R740
C712
D701
R703 D703
R705
R750
R751
R752
R753
PC703
PC700
D705
R736
C53
C809
C802
L811
IP802
L802
D1
C810
C807
C811
C806
C808
R746
C709
C38
T700
IC701
R743
Q702
Q703
Q707
1
Q711
4
8
5
C711
R733
C43
C311
C312
J24
C313
X501
IC507
1
100
76
75
51
50
25
26
RA531
RA534
RA533
IC251
L251
R255
R254
FIL2
J104
R65
R75
R76
R66
R30
J41
J46
J45
C60
J60
J64
R95
R91
R92
IC7
J63
R266
R265
C255
IC2
1
1
52
53
104
156
157
105
C275
IC252
C265
C268
C271
C266
C270
C267
C273
C272
1
16
17
32
33
48
49
64
L1 L2 L30
X301
FIL252
208
1
45
8
14
8
7
Q6
C51
IC253
X1
L527
L526
L525
L542
L541
L540
L539
L537
L536
L524
L548
L546
L545
L544
R553
L506
1
7
C7
R15R18
R14
IC1
R62
R59
D56
C58
C40
R87
C57
C41
R65
1
10
11
20
IC6
Q53
R55
R11
RL52
RL51
T1
1
4
5
8
R12
C2
Q4
R78
R51
ZNR2
ZNR1
ZNR52
ZNR51
R7
R3
R5
R4
R1
R27
R6
R2
R26
D55
C51
L2
L1
C55
C56
U6AB
A
R17
DHLC8
DLC8
SLC8
PSUP1322Y
PbF KX-TDA0170/0171/0173
A
KX-TDA0170/KX-TDA0173 COMPONENT VIEW
10
KX-TDA0173 / KX-TDA0173XJ / KX-TDA0173X
2.2. BOTTOM VIEW
R728
R734
R761
R760
R719
R707
R701
R720
R725
R727
R723
R721
R755
R754
R741
R742
R744
R80
RA263
IC301
IC301
IC301
IC301
R82
U1
C701
C703
C707
C713
C718
C716
C714
C705
BELL
R805
R806
D804
D802
D803
D801
R801
R303
R303
RA262
R101
R302
R302
R301
R301
R302
R69
R67
R10
Q1
R8
R13
R9
R23
R21
R24
D2
U1
D3
C10
C53
D54
D53
D51
R74
R76
R58
R53
R57
R68
R56
R77
C11
C5
C3
C4
U5
R63
Q51
R71
R72
R70
R66
R25
R16
D1
Q57
J52
R52
R64
C54
U52
D52
J51
Q58
U4
U2
R22
C52
RA1
R75
Q54
R73
R54
R60
R61
D57
C60
C70
C59
Q2
R301
R303
R303
20
C302
C303
C303
C276
C66
C65
R96
R98
R97
J1
J2
J3
J4
J5
J6
J61
J62
J102
L701
J7
J8
J101
C37
C22
C277
C9
C52
C278
C301
R301
C25
C42
C63
FIL4
RA44
RA41
RA5
RA260
R261
R264
R262
R19
R263
R259
R45
L703
J105
FIL1
R77 IC9
16.384M
RA43
R44
FIL3
RA50
RA42
R260
R20
C55
IP3
RA48
RA46
RA45
RA47
RA18
RA20
R68
R57
R57
R58
R69
R59
R70
R72
R72
R73
R56
R71
L9
L8
L10
L13
L14
L15
L16
L17
L18
L19
L20
L21
L22
L23
L24
L25
L26
L27
L28
L29
C50
C49
C49
R67
R554
IC509
C542
C529
R74
L704
L11
L12
L7
L6
C61
L716
J21
J23
J22
C302
C302
C302
C303
C303
C301
C301
C301
C301
C54
C34
Q9
L810
R803
D708
+30V
R715
R713
IC12
1
14
7
8
R745
R717
R729
R730
R802
D706
1
1
11
0
10
1
11
0
10
11
11
20
11
11
2
16
16
17
29
30
14
15
R804
+5VPT
R732
Q802
Q709
Q710
IC802
Q801
IC801
D
A801
R60
+15V
IP1
CLK
R85
R63
R64
R86
C32
C29
L702
J40
J44
J42
J43
J47
C24
J49
J48
C62
C27
C26
C64
C30
C31
C23
C21
C28
C10
C7
C4
C5
C36
J65
VREF-
VREF+
R81
R84
U2
R83
R93
R100
R94
R99
R37
3.58M
RA14
RA16
RA17
RA19
RA21
C48
FIL8
Q501
C543
C530
C541
R589
L711
L708
+3.3V
J109
J111
FIL508
FIL504
J103
14
1
78
IC10
14
1
1
1
1
1
10
10
10
11
11
11
10
4
5
8
32
32
32
1
1
16
16
16
17
17
17
7
8
IC510
IC503
IC508
IC506
RA519
RA527
FIL505
FIL507
IC301B
IC301A
IC301D
R302
R302
R302
C303 C302 R303
R301 C301
IC301C
R549
R550
R551
R546
RA520
R552
L509 L513
L507
C532
C554
C540
C535
C534
C302 C303
B
A
C
D
C302
C303
C303
C522
C553
L710
L522
L523
R555
J508
J517
J108
J516
C531
J107
J509
J510
C533
C551
C263
20
J106
R548
R303
R303
R303
C302
R302
R301 C301
R301
C301
R594
12.288M
FIL510
FIL506
RA261
L715
J9
C550
C539
C537
J515
J514
J505
J506
J507
L511
R547
C19
A1
B1
5
15
10
20
30
40
45
A45 B45
35
25
+5V
IC700
C708
FG
R302
R301
R301
R69
R67
R10
Q1
R8
R13
R9
R23
R21
R24
D2
U1
D3
C10
C53
D54
D53
D51
R74
R76
R58
R53
R57
R68
R56
R77
C11
C5
C3
C4
U5
R63
Q51
R71
R72
R70
R66
R25
R16
D1
Q57
J52
R52
R64
C54
U52
D52
J51
L2E
L204F
13
24
Q58
U4
U2
R22
C52
RA1
R75
Q54
R73
R54
R60
R61
D57
C60
C70
C70
C59
Q2
R69
R67
R10
Q1
R8
R13
R9
R23
R21
R24
D2
U1
D3
C10
C53
D54
D53
D51
R74
R76
R58
R53
R57
R68
R56
R77
C11
C5
C3
C4
U5
R63
Q51
R71
R72
R70
R66
R25
R16
D1
Q57
J52
R52
R64
C54
U52
D52
J51
Q58
U4
U2
R22
C52
RA1
R75
Q54
R73
R54
R60
R61
D57
C60
C59
Q2
C70
R69
R67
R10
Q1
R8
R13
R9
R23
R21
R24
D2
U1
D3
C10
C53
D54
D53
D51
R74
R76
R58
R53
R57
R68
R56
R77
C11
C5
C3
C4
U5
R63
Q51
R71
R72
R70
R66
R25
R16
D1
Q57
J52
R52
R64
C54
U52
D52
J51
Q58
U4
U2
R22
C52
RA1
R75
Q54
R73
R54
R60
R61
D57
C60
C59
Q2
C70
R69
R67
R10
Q1
R8
R13
R9
R23
R21
R24
D2
U1
D3
C10
C53 D54
D53
D51
R74 R76
R58
R53
R57
R68
R56
R77
C11
C5
C3
C4
U5
R63
Q51
R71
R72
R70
R66
R25
R16
D1
Q57
J52
R52
R64
C54
U52
D52
AB
C
D
E
F
H
G
F
E
GH
J51
L204A
L203A
L204B
1
26
25
50
Q58
U4
U2
R22
C52
RA1
R75
Q54
R73
R54
R60
R61
D57
C60
C59
Q2
D251
R69
R60 R61
R10
Q1
R8
R13
R9
R23
R21
R24
D2
U1
D3
C10
C53
D54
D53
D51
R74
R76
R58
R53
R57
R68
R56
R77
C11
C5
C3
C4
U5
R63
R67
R70
C70
R66
R71
R73
Q51
R25 R16
D1
Q57
J52
R52
R64
C54
U52
D52
J51
Q58
U4
U2
R22
C52
RA1
Q54
R54
D57
C60
C59
Q2
R69
R67
R10
Q1
R8
R13
R9
R23
R21
R24
D2
U1
D3
C10
C53
D54
D53
D51
R74
R76
R58
R251
R53
R57
R68
R56
R77
C11
C5
C3
C4
U5
R63
Q51
R71
R72
R70
R66
R25
R16
D1
Q57
J52
R52
R64
C54
U52
D52
J51
L204H
L203H
Q58
Q251
U4
U2
R22
C52
RA1
R75
Q54
R73
R54
R60
R61
D57
C60
C70
C59
Q2
R69
R67
R10
Q1
R8
R13
R9
R23
R21
R24
D2
U1
D3
C10
C53
D54
D53
D51
R74
R76
R58
R53
R57
R68
R56
R77
C11
C5
C3
C4
U5
R63
Q51
R71
R72
R70
R66
R25
R16
D1
Q57
J52
R52
R64
C54
U52
D52
J51
Q58
U4
U2
R22
C52
RA1
R75
Q54
R73
R54
R60
R61
D57
C60
C70
C59
Q2
KX-TDA0170/KX-TDA0173 BOTTOM VIEW
11
KX-TDA0173 / KX-TDA0173XJ / KX-TDA0173X
3 SCHEMATIC DIAGRAM
3.1. No.1
TP25
TP118
22
R741
TP857
CN1
CID CN30pin
1
2
16 17
3
3
4
18 19
5
5
6
20 21
7
7
8
22 23
9
9
10
24 25
11 12
26 27
13
28
15
11 12
26 27
13
28
15
14
29
30
29
30
R725
20KF
DG
DG
C701
0.1/250V
+30V
IC2
13
12
TP862
250V/10
C711
TP56
TP849
0.082u
C705
PT_CUR[3]
nWR
FIL2
1
2
3
Q703
50V/100mA/150mW
E
C
B
IC2
11
10
PT_CUR[0]
TP850
C718
0.1u
TP839
TP860
nRST
TP863
CLK
TP52
+3.3V
C713
0.1u
DG
+40V
TP815
D701
VZ=15v
TP817
PT_CUR[4]
R715
1M
nBREQ
TP362
TP832
TP115
IC12
10
9
8
DG
R719
7.5K
IC700
4
Vref
2
A
3
K
IC701
1COMP
2FB
3ISENS
4RT/CT
2FB
3ISENS
4RT/CT
5
GND
6
OUT
7
VCC
VREF8
Q710
2(D)
3(S)
1(G)
2.2K
R740
15P
C9
+15V
UHW[0]
+3.3V
TP852
nRD
TP838
R82
NC
TP47
PT_CUR[2]
TP50
Q711
50V/100mA/150mW/4.7K
E
C
B
nCS2
IC2
1
2
TP54
IC2
3
4
R711
NC
TP27
Q702
50V/100mA/150mW
E
C
B
TP859
TP57
Q709
50V/100mA/150mW/47K E
C
B
0.1u
C708
PT_CUR[5]
PT_CUR[6]
TP801
+3.3V
TP833
VZ=24v
D705
12
R727
180KF
nALE
TP858
TP831
R723
390KF
R81
NC
BELL
IC6
3D
7
6Q
15
8D
18
7Q
16
6D
14
2D
4
1
nOC
1Q
1Q
2
1D
3
2Q
5
3Q
6
7D
17
5Q
12
5D
13
4D
8
GND
10
4Q
9
EN
11
VCC 20
8Q
19
TP811
R28
150
nBACK
C4
2.2u
0.082u
C707
PC703
3
4
TP26
C7
0.1u
TP821
TP854
TP861
TP24
PC700
1
2
3
4
NC
C19
IC2
9
8
nWAIT
18P
C10
39KF
R730
22K
R742
390
R30
50V/100
C717
TP836
TP807
R713
10K
TP53
10K
R737
FIL1
1
2
3
C716
0.1u
TP825
R701
150
TP28
Q707
E
C
B
2.7
R743
PT_CUR[1]
TP55
TP814
TP866
TP823
T700
1
2
4
5
5
6
7
8
9
10
R705
680
R707
100
U1
50V/100mA/150mW/10K-10K
1
4
3
2
5
TP846
TP835
R703
680
+5V
TP853
IC12
5
6
7
A[0-21]
+3.3V
TP856
TP116
TP837
R717
10K
R745
10K
4.7K
R728
IC12
1
2
3
4
11
TP114
IC2
5
6
+3.3V
22K
R734
22
R744
0.1u
C703
DG
D708
600V 1A
1 2
FH
TP842
D[0-15]
TP42
1M
R19
+3.3V
R733
1K
IC2
14
7
TP841
nCS1
TP851
TP819
250V/10
C709
TP32
PT_CUR[7]
DHW[0]
TP829
C715
0.1u
20KF
R729
TP871
C714
470P
+3.3V
TP117
R29 150
TP31
Q706
E
C
B
1.5K
R20
TP49
R721
47K
TP23
1.5KF
R731
PFRLY
X1
16.384MHz
DG
Q6
50V/100mA/150mW/10K-10K
E
C
B
nIRQ1
D706
600V 1A
1
2
TP809
TP855
C5
1u
TP827
LED1
1
2
3
4
D703
VZ=15v
1.2M
R732
0.047u
C712
47K
R736
PC703
1
2
R709
NC
NC
TP847
TP805
P[23]
22K
R746
R720
100
J104
NC
J105 NC
0.1u
C53
PG
P.G
PG
P.G
PG
P.G
PG
P.G
L703
0
0.1u
C54
TP865
TP864
IC12
12
13
13
14
PG
PTG
R101
10K
+3.3V
12.288M
BELL
D[2]
D[0]
DHW[0]
DHW[0]
D[6]
D[4]
D[3]
A[3]
FH
FH
D[1]
A[4]
nRST
nWR
nWR
D[1]
D[6]
A[2]
DHW[1]
DHW[1]
D[3]
D[2]
UHW[0]
UHW[0]
2MCLK
2MCLK
D[5]
A[0]
nWAIT
D[4]
nBACK
D[7]
D[0]
nBREQ
CPO
CPO
nCS_CID
nCS_CID
CLK
A[1]
nCS1
D[5]
nRD
nRD
nOPT
D[7]
DG
UHW[1]
UHW[1]
GREEN
RED
(1)
(2)
~
(4)
(5)
~
(10)
(11)
~
(21)
(22)
~
(28)
(29)
(30)
(31)
~
33)
-100V
160V
20 or 25Hz
70~80Vrms
3.3V: OFF
0V: ON
0V: ON
3.3V
0
KX-TDA0173 SCHEMATIC DIAGRAM NO.1
12
KX-TDA0173 / KX-TDA0173XJ / KX-TDA0173X
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