Read Panasonic KX-TDA0173 / KX-TDA0173XJ / KX-TDA0173X (serv.man2) Service Manual Supplement online
3.2. No.2
3.3V
0
DTMF Detection: 3.3V
Normal: 0V
Normal: 0V
DG
J508
0
J506
0
IC506
1M SRAM TSOP
A11
1
A9
2
A8
3
A13
4
nWE
5
CE2
6
A15
7
VCC
8
NC
9
A16
10
A14
11
A12
12
A7
13
A6
14
A5
15
A4
16
A3 17
A2 18
A1 19
A0 20
I/O0 21
I/O1 22
I/O2 23
GND 24
I/O3 25
I/O4 26
I/O5 27
I/O6 28
I/O7 29
nCE1 30
A10 31
nOE 32
DG
J505
NC
CN501
1
TX
2
RX
3
VDD
4
GND
5
N.C
6
CTS
7
RTS
+3.3V
C524
2.2u
TP586
22
R546
C525
1u
NC
C527
FIL503
1
2
3
22
R547
IC505
3D
7
6Q 15
8D 18
7Q 16
6D
14
2D
4
1
nOC
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
TP587
TP585
TP584
DG
TP579
TP590
+3.3V
J507
0
DG
nCS1
nCS2
TP578
TP580
TP581
TP588
TP589
IC10
1
2
3
TP772
TP554
IC10
4
5
6
IC510
NC
1
2
TP758
IC509
NC 4M SRAM
A17
1
A16
2
A14
3
A12
4
A7
5
A6
6
A5
7
A4
8
A3
9
A2
10
A1
11
A0
12
I/O0
13
I/O1
14
I/O2
15
VSS
16
I/O3
17
I/O4
18
I/O5
19
I/O6
20
I/O7
21
nCE 22
A10
23
nOE 24
A11
25
A9
26
A8
27
A13
28
nWE 29
A18
30
A15
31
VCC
32
NC
R541
+3.3V
TP757
+3.3V
J513
NC
J512
NC
J511
NC
TP774
TP775
TP773
+3.3V
FIL509
NC
1
2
3
TP929
DG
C545
NC
C544
NC
IC503
NC
1M SRAM STSOP
A11
1
A9
2
A8
3
A13
4
nWE
5
CE2
6
A15
7
VCC
8
NC
9
A16
10
A14
11
A12
12
A7
13
A6
14
A5
15
A4
16
A3
17
A2
18
A1
19
A0
20
I/O0
21
I/O1
22
I/O2
23
GND
24
I/O3
25
I/O4
26
I/O5
27
I/O6
28
I/O7
29
nCE1 30
A10
31
nOE
32
TP561
TP563
TP562
+3.3V
TP577
RA527
68
4
3
2
1
8
7
6
5
RA520
68
4
3
2
1
8
7
6
5
C529
1u
L509
220
+3.3V
L518
220
L520
220
TP576
L521
220
TP565
TP566
TP574
TP572
TP568
IC504
4M FLASHROM
A15
1
A14
2
A13
3
A12
4
A11
5
A10
6
A9
7
A8
8
NC
9
NC
10
WE
11
RESET 12
NC 13
NC 14
RY/BY 15
A18
16
A17
17
A7
18
A6
19
A5
20
A4
21
A3
22
A2
23
A1
24
A0
25
CE
26
Vss 27
OE
28
DQ0 29
DQ8 30
DQ1 31
DQ9 32
DQ2 33
DQ10 34
DQ3 35
DQ11 36
Vcc 37
DQ4 38
DQ12 39
DQ5 40
DQ13 41
DQ6 42
DQ14 43
DQ7 44
DQ15/A_1 45
Vss 46
BYTE
47
A16
48
L507
220
10K
R543
L510
220
L506
220
TP573
TP570
TP569
TP930
RA526
68
1
2
3
4
5
6
7
8
DG
L513
220
nPOW_RST
TP571
TP931
L516
220
TP567
L515
220
L508
220
C530
2.2u
L511
220
L514
220
TP560
TP575
RA519
68
4
3
2
1
8
7
6
5
L517
220
FIL504
1
2
3
L512
220
L519
220
+3.3V
TP924
+3.3V
RA532 1K
1 2 3 4
5
6 7 8 9
10
TP923
RA5311K
4 3 2 1
5
9 8 7 6
10
TP591
TP594
TP592
TP593
TP598
TP595
TP596
TP564
TP597
TP712
TP709
TP710
TP715
TP714
TP708
TP711
TP713
TP779
TP778
TP920
RA528 10K
1 2 3 4
5
9 8 7 6
10
TP922
RA53010K
9 8 7 6
5
1 2 3 4
10
RA529 10K
9 8 7 6
9 8 7 6
5
4 3 2 1
10
+3.3V
TP921
TP925
RA533 10K
1 2 3 4
5
6 7 8 9
10
+3.3V
TP926 +3.3V
RA534 10K
4 3 2 1
5
6 7 8 9
10
TP935
RA536
10K
1
2
3
4
5
6
7
8
9
10
+3.3V
TP927
+3.3V
10K
R589
J112 NC
J110 NC
J111 NC
L707
NC
L708
0
L709
0
TP950
A[5]
A[15]
A[2]
A[9]
D[6]
D[2]
D[1]
A[16]
A[14]
D[7]
A[10]
A[12]
A[4]
A[3]
A[11]
A[8]
A[1]
D[4]
D[3]
A[6]
D[0]
A[1]
A[0]
A[7]
A[3]
A[2]
nALE
A[0]
D[0-15]
D[5]
A[13]
A[17]
A[4]
nCS2
nCS2
nCS2
A[0-21]
A[0]
A[1]
A[2]
A[3]
A[6]
A[7]
A[5]
A[4]
A[16]
A[14]
A[12]
D[0-15]
D[0-15]
D[0]
D[1]
D[2]
D[3]
D[4]
D[5]
D[6]
D[7]
A[0-21]
A[0-21]
A[15]
A[11]
A[10]
A[9]
A[8]
A[13]
nBREQ
nCS0
nCS0
nCS0
A[18]
A[17]
A[17]
D[4]
A[6]
A[14]
A[16]
A[4]
A[15]
D[2]
D[1]
D[3]
D[0]
A[12]
A[8]
A[5]
A[7]
D[5]
A[13]
A[9]
A[11]
A[0]
A[1]
A[2]
D[7]
nRD
nRD
nRD
nRD
A[0-21]
A[0-21]
A[3]
A[10]
D[6]
nRST
nRST
nRST
nRST
D[0-15]
A[9]
A[7]
A[12]
A[19]
A[10]
A[21]
A[14]
A[15]
nWR
nWR
nWR
nWR
A[8]
A[13]
A[3]
A[20]
A[2]
A[18]
A[6]
A[5]
A[1]
A[4]
A[11]
A[16]
A[17]
D[1]
D[4]
D[10]
D[9]
D[13]
D[6]
D[14]
D[5]
D[12]
D[0]
D[15]
D[8]
D[3]
D[7]
D[2]
D[11]
D[15]
D[11]
D[9]
D[0]
D[8]
D[3]
D[1]
D[7]
D[14]
D[12]
D[10]
D[5]
D[4]
D[2]
D[6]
D[13]
A[20]
A[15]
A[6]
A[0]
A[13]
A[8]
A[7]
A[4]
A[1]
A[9]
A[5]
A[19]
A[18]
A[11]
A[3]
A[21]
A[16]
A[12]
A[10]
A[14]
A[17]
A[2]
DG
DG
A[13]
A[14]
A[15]
A[16]
A[17]
RY/nBY
(1)
(2)
(16)
(17)
(17)
(33)
(11)
~
(15)
(3)
~
(10)
(18)
~
(23)
(24)
~
(27)
(28)
~
(30)
(31)
(32)
(32)
KX-TDA0173 SCHEMATIC DIAGRAM NO.2
14
KX-TDA0173 / KX-TDA0173XJ / KX-TDA0173X
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