Read Panasonic KX-TDA0173 / KX-TDA0173XJ / KX-TDA0173X (serv.man2) Service Manual Supplement online
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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