Panasonic KX-TDA6178X / KX-TDA6178XJ Service Manual ▷ View online
49
KX-TDA6178X/KX-TDA6178XJ
18
19
20
21
17
22
23
(100kHz)
(Idle condition)
(105kHz)
(190kHz)
(Idle condition)
50
KX-TDA6178X/KX-TDA6178XJ
11 Printed Circuit Board
11.1. Component View
C644
C623
C630
C617
C633
C613
C609
C642
C143
72
73
108
109
144
1
1
1
37
36
C626
C641
C136
C153
C173
C164
C167
C165
C166
C650
C645
C615
C652
J609
J601
J604
J603 J602
C653
C614
C632
C603
C601
R603
R609
R608
R109
L104
R105
R115
R58
R57
L603
IC102
IC100
IC105
IC607
17
32
X601
17
16
32
16
IC602
25
24
25
48
26
50
75
51
76
1
1
1
10
1
19
36
11
8
19
36
11
8
19
36
11
8
19
36
11
8
19
36
11
8
19
36
11
8
19
36
11
8
19
36
11
8
19
36
11
8
19
36
11
8
19
36
11
8
19
36
11
8
1
12
5
49
16
1
32
17
33
64
48
1
1
1
1
5
12
4
7
8
14
7
1
1
100
IC601
A45
B45
A40
B40
A35
B35
A30
B30
A25
B25
A20
B20
A15
B15
A10
B10
A5
B5
A1
B1
RA628
C649
C655 C656
C657
C658
C648
C228A
C228C
C227A
C227C
C206B
C202B
C202A
C225A
C229A
C229C
C228E
C227E
R226E
R225A
R225C
R226A
R226C
R204A
C225C
C225E
C225G
R204C
R204E
R204G
R204H
C225I
C225K
C225M
R204I
R204K
R204M
C225O
R204O
R204J
R204L
R204N
R204P
C225Q
R204Q
R204R
C225S
R204S
R204T
R204B
R204D
R204F
R205B
R205A
C206D
R205D
R205C
C206F
C206H
R205F
R205E
R205G
R205H
IC603
C1
10
10
C1
12
12
C108
C605
C629
C610
C604
C631
C624
C654
C100
C616
C640
C135
C134
C137
C169
J35
R54
R127
L100
RA609
RA601
RA627
RA626
RA625
RA624
RA623
RA603
RA604
LA605
LA606
LA607
LA608
LA609
LA15
LA14
C140
C138
C141
C139
C148
C1
18
18
C229E
C227G
C228G
C228K
C228M
C228O
C228Q
C229O
C229Q
C229G
C229K
C229M
C146
C1
16
16
C147
IC5
C1
17
17
C127
C32
C157
J34
SW1
R108
R1
10
10
R107
L103
IC106
RA60
RA50
RA51
LA12
LA1
1
1
LA10
LA13
RA29
RA30
C35
C40
C8
C7
C41
C43
C9
C42
C46
C45 C44
52
1
105
156
53
208
104
157
C47
C154
C124
C111
C56
C103
C106
C142
C31
C105
C104
J36
C30
C102
12
ON
C107
C101
C156
C126
C126
C123
C109
C113
X1
FIL2
FIL1
R23
R44
R22
R21
R53
R55
R52
R51
R43
R42
L101
IC3
RA27
RA26
RA25
RA28
C57
IP2
IP1
CN1
C1
1
1
D5
C12
C13
C48
C10
C49
C50
C51
C39
C38
C37
C36
J46
J45
J21
J20
J19
J13
R25
IC1
R24
R20
RA22
RA33
C229S
R225U
C833
C805
C832
C830
C854
C851
C848
J805
C849
KX-TDA6178
PbF
PSUP1669Z
EMSLC24
ECSLC24
/6179
C828
C827
C829
C816
C817
C812
R821
C813
R822
C58
TH801
C810
C808
C807
C806
R813
C819
1
1
C820
C821
C824
C834
C823
J803
J801
J1
R865
R860
R841
R842
R839
R840
R838
R837
R847
R835
R812
R849
R826
R856
R855
R848
R824
R817
R810
R869
R2
R867
R866
R815
R814
R872
L802
IC804
IC806
1
IC805
IC802
IC801
IC803
PC802
T802
PC801
D807
D808
D804
D806
D803
D814
D805
D811
D813
Q805
Q804
Q801
Q809
Q3
Q4
Q810
C831
C228S
C227S
C228U
C826
C227U
C229U
D815
C850
C852
C841
C845
C814
C81
1
C815
C822
J804
J812
J810
T803
PC803
T801
J802
R226S
R864
R226U
R225S
R874
R862
R861
R857
R823
R825
1
R818
R830
R870
R1
R868
R816
C809
R832
R834
R833
D812
Q808
3
1
1
6
4
Q812
Q806
Q807
Q81
1
L1
R106
RA55
RA54
R226G
R225G
R225I
R226K
R226M
R226O
R226Q
R225K
R225M
R225O
R225Q
R226I
C227I
C229I
C228I
C227K
C227M
C227O
C227Q
R225E
RA602
C602
CN601
CN101
C600
C659
C211B
C211D
C211F
C206A
C206C
C206E
C206G
C206I
C206K
C206M
C206O
C206Q
C211A
C211C
C211E
C211H
C211G
C211J
C211I
C211K
C211M
C211O
C211R
C211T
C211Q
C206S
C211S
C211P
C211N
C211L
C660
IC604
RL201A
RL200B
R202B
R202A
R203B
C220A
R203A
D200B
DA200B
DA200A
R203D
C220C
R203C
R203F
R203H
R203G
R203I
R203K
R203J
R203L
C220E
C220G
C220I
C220K
R203E
DA200D
DA200C
DA200F
DA200E
DA200H
DA200G
DA200J
DA200I
DA200L
DA200K
DA200N
DA200M
R203M
R203N
C220M
DA200P
DA200O
DA200Q
R203O
R203P
C220O
DA200R
R201B
R201A
R202D
R202C
J251
R201D
R201C
R202F
R202H
R202G
R202J
R202I
R202E
R201F
R201H
R201E
R201G
R201I
R201J
R202L
R202K
R201K
R201L
R202N
R202M
R201M
R201N
R202P
R202O
R201O
R201P
R202R
R202Q
R201Q
R201R
R202T
R202S
R201S
R201T
R202V
R202U
R201U
R201V
R202X
R202W
R201W
R201X
R252
R253
R254
R613
IC201A
IC605
IC201I
IC201K
IC201M
IC201O
IC201Q
IC201S
C225U
R204U
R204V
C211V
C206U
C211U
IC201U
C228W
C227W
C229W
R226W
R225W
C225W
R204W
R204X
C211X
C206W
C211W
IC201W
IC201C
IC201E
IC201G
IC606
D201B
D201A
D200A
D201D
D201C
D200D
D200C
D201F
RL200A
D201E
D200F
D200E
D201H
D201G
D200H
D200G
D201J
D201I
D200J
D200I
D201L
D201K
D200L
D200K
D201N
D201M
D200N
D200M
D201P
D201O
D200P
D200O
D201R
D201Q
D200R
D200Q
D201T
D201S
D200T
D200S
D201V
D201U
D200V
D200U
D201X
D201W
D200X
D200W
Q253
Q251A
C607
C606
R251A
R255
R256
R610
IC200A
C202D
C202C
IC200C
C202F
C202E
IC200E
C202H
C202G
IC200G
C206J
R205I
R205J
C206L
R205K
R205L
C206N
R205M
R205N
C206P
R205O
R205P
C202J
C202I
IC200I
C202L
C202K
25
50
20
45
15
40
CN200
10
35
5
30
1
26
IC200K
C206R
R205Q
R205R
C202N
C202M
IC200M
C202P
C202O
CN201
2
4
1
3
CN202
2
4
1
3
IC200O
R203Q
R203R
C220Q
DA200T
DA200S
C202R
C202Q
IC200Q
C206T
R205S
R205T
R203S
R203T
C220S
DA200V
DA200U
C202T
C202S
IC200S
C206V
R205U
R205V
R203U
R203V
C220U
DA200X
DA200W
C202V
C202U
IC200U
C206X
R205W
R205X
R203W
R203X
C220W
C202X
C202W
IC200W
D251A
Q252
J250
WX
U
V
S
T
Q
RO
M
N
KL
I
J
G
H
E
CD
A
B
F
P
LED1
C34 C33
J28 R45
1
12
8
RL200D
D252
12
1
5
RL200C
C651
R607
C125
C155
FL
T603
49
16
1
32
17
33
64
48
49
16
1
32
17
33
64
48
49
16
1
32
17
33
64
48
49
16
1
32
17
33
64
48
49
16
1
32
17
33
64
48
49
16
1
32
17
33
64
48
49
16
1
32
17
33
64
48
49
16
1
32
17
33
64
48
49
16
1
32
17
33
64
48
49
16
1
32
17
33
64
48
49
16
1
32
17
33
64
48
KX-TDA6178X/KX-TDA6178XJ MAIN BOARD COMPONENT VIEW
A
*
51
KX-TDA6178X/KX-TDA6178XJ
11.2. Bottom View
C203W
C222W
C201W
C201X
R200W
R200X
C200W
C221W
C200X
C203X
C203U
C222U
C201U
C201V
R200U
R200V
C200U
C221U
C200V
C203V
C203S
C222S
C201S
C201T
R200S
R200T
C200S
C221S
C200T
C203T
C203Q
C222Q
C201Q
C201R
R200Q
R200R
C200Q
C221Q
C200R
C203R
C203O
C222O
C201O
C201P
R200O
R200P
C200O
C221O
C200P
C203P
C203M
C222M
C201M
C201N
R200M
R200N
C200M
C221M
C200N
C203N
C203K
C222K
C201K
C201L
R200K
R200L
C200K
C221K
C200L
C203L
C203I
C222I
C201I
C201J
R200I
R200J
C200I
C221I
C200J
C203J
C203G
C222G
C201G
C201H
R200G
1
5
10
15
20
25
4
2
3
1
4
2
3
1
25
30
35
40
45
50
R200H
C200G
C221G
C200H
C203H
C203E
C222E
C201E
C201F
R200E
R200F
C200E
C221E
C200F
C203F
C203C
C222C
C201C
C201D
R200C
R200D
C200C
C221C
C200D
C203D
C203A
C210A
R207A
R207B
C210B
C208B
C208A
C226A
C222A
R227A
R612
C621
C643
C608
C627
C635
C638
C639
C150 C120
C144 C1
14
C121
C152 C122 C145 C1
15
C158
C53
C54
C1
C803
C4
D7
D802
D809
C3
C801
C802
C842
C128
C151
C149
C1
19
C612
C618
C628
C619
DG
C646
C647
C636
C620
C634
C625
C52
C2
D1
D6
D3
D801
D810
DA1
C5
C637
C622
C611
C171
C172
J611
J605
J606
J608
J30
J47
J14
L5
J22
J26
J27
J25
J24
J7
J6
J9
J8
J1
1
J10
J23
J12
J17
J807
J610
J607
B45
A45
B40
A40
B35
A35
B30
A30
B25
A25
B20
A20
B15
A15
B10
A10
B5
A5
B1
A1
R61
1
R602
R605
R104
R46
J18
R47
R41
R40
R10
R4
J808
R6
R3
R1
1
Q2
R836
R831
R13
R15
R819
R803
R805
R806
R871
R802
R804
R807
R828
R14
R48
R102
IC101
R1
13
R1
16
R50
R128
RA620
RA56
RA53
RA7
RA12
RA15
RA23
RA6
RA5
RA4
RA1
RA9
RA14
RA10
RA616
RA615
RA610
RA61
1
RA606
RA617
RA621
RA614
RA605
LA602
LA601
C209B
C209A
C207B
C204A
C204B
R206A
R206B
R208B
R208A
C207A
C210C
R207C
R207D
C210D
C208D
C208C
C226C
R227C
C209D
C209C
C207D
C204C
C204D
R206C
R206D
R208D
R208C
C207C
C210E
R207E
R207F
C210F
C208F
C208E
C226E
R227E
C209F
C209E
C207F
C204E
C204F
R206E
R206F
R208F
R208E
C207E
C210G
R207G
R207H
C210H
C208H
C208G
C226G
R227G
C209H
C209G
C207H
C204G
C204H
R206G
R206H
R208H
R208G
C207G
C210I
R207I
R207J
C210J
C208J
C208I
C226I
R227I
C209J
C209I
C207J
C204I
C204J
R206I
R206J
R208J
R208I
C207I
C210K
R207K
R207L
C210L
C208L
C208K
C226K
R227K
C209L
C209K
C207L
C204K
C204L
R206K
R206L
R208L
R208K
C207K
C210M
R207M
R207N
C210N
C208N
C208M
C226M
R227M
C209N
C209M
C207N
C204M
C204N
R206M
R206N
R208N
R208M
C207M
C210O
R207O
R207P
C210P
C208P
C208O
C226O
R227O
C209P
C209O
C207P
C204O
C204P
R206O
R206P
R208P
R208O
C207O
C210Q
R207Q
R207R
C210R
C208R
C208Q
C226Q
R227Q
C209R
C209Q
C207R
C204Q
C204R
R206Q
R206R
R208R
R208Q
C207Q
C210S
R207S
R207T
C210T
C208T
C208S
C226S
R227S
C209T
C209S
C207T
C204S
C204T
R206S
R206T
R208T
R208S
C207S
C210U
R207U
R207V
C210V
C208V
C208U
C226U
R227U
C209V
C209U
C207V
C204U
C204V
R206U
R206V
R208V
R208U
C207U
C210W
R207W
R207X
C210X
C208X
C208W
C226W
R227W
C209X
C209W
C207X
C204W
C204X
R206W
R206X
R208X
R208W
C207W
C201A
C201B
R200A
R200B
C200A
C221A
C200B
C203B
FG
R606
12.288M
16.384M
+2.5V
+1.2V
R604
R112
L602
L601
Q600 R601
R103
4
1
5
8
L102
R100
R101
R49
R111
R114
R129
RA618
RA612
RA608
RA607
LA604 LA603
RA622
RA619
RA59 RA58
RA2
RA24
R7
RA32
RA31
RA13
RA3
RA11
RA8
U1
IC6
Q11
Q1
RA57
RA613
+3.3V
+15V
+40V
VHR
Q803
Q802
C804
R858
L2
R12
R5
R845
R844
C825
R843
R809
R820
R873
VBATL
R852
R851
R853
R854
R846
R829
R827
R808
R811
C843
C844
J806
J814
J815
J815
VBATH
+15VO
BA
D
C
FE
H
G
J
I
L
K
N
M
P
O
R
Q
TS
V
U
X
W
KX-TDA6178X/KX-TDA6178XJ MAIN BOARD BOTTOM VIEW
52
KX-TDA6178X/KX-TDA6178XJ
12 Appendix Information of Schematic Diagram
Note:
1. DC voltage measurements are taken with voltmeter from the negative voltage line.
2. This schematic diagram may be modified at any time with the development of new technology.
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