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Model
KX-TDA0173 KX-TDA0173XJ KX-TDA0173X (serv.man2)
Pages
18
Size
1.64 MB
Type
PDF
Document
Service Manual / Supplement
Brand
Device
PBX / 8-PORT SINGLE LINE TELEPHONE EXTENSION CARD
File
kx-tda0173-kx-tda0173xj-kx-tda0173x-sm2.pdf
Date
PREV: Panasonic KX-TDA0173 / KX-TDA0173XJ / KX-TDA0173X Service Manual / Supplement

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

3.4. No.4 (NEWLY ADDED)
IC301A
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1 8
Q3
14
ST/BT
19
VDD
20
100k
R301A
TP304A
DG
TP309A
68k
R302A
TP303A
0.1
C301A
TP305A
TP307A
C302A
0.1
C303A 0.022
DG
R303A
330k
+3.3V
TP308A
TP306A
TP301A
TP302A
TP304B
TP309B
100k
R301B TP302B
C303B 0.022
68k
R302B
DG
TP303B
R303B
330k
TP306B
IC301B
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1 8
Q3
14
ST/BT
19
VDD
20
TP305B
C302B
0.1
0.1
C301B
TP308B
DG
+3.3V
TP307B
TP301B
TP304C
TP309C
100k
R301C TP302C
C303C 0.022
68k
R302C
DG
TP303C
R303C
330k
TP306C
IC301C
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP305C
C302C
0.1
0.1
C301C
TP308C
DG
+3.3V
TP307C
TP301C
TP304D
TP309D
100k
R301D TP302D
C303D 0.022
68k
R302D
DG
TP303D
R303D
330k
TP306D
IC301D
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP305D
C302D
0.1
0.1
C301D
TP308D
DG
+3.3V
TP307D
TP301D
TP304E
TP309E
100k
R301E TP302E
C303E 0.022
68k
R302E
DG
TP303E
R303E
330k
TP306E
IC301E
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP305E
C302E
0.1
0.1
C301E
TP308E
DG
+3.3V
TP307E
TP301E
TP304F
TP309F
100k
R301F TP302F
C303F 0.022
68k
R302F
DG
TP303F
R303F
330k
TP306F
IC301F
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6 PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP305F
C302F
0.1
0.1
C301F
TP308F
DG
+3.3V
TP307F
TP301F
TP304G
TP309G
100k
R301G TP302G
C303G 0.022
68k
R302G
DG
TP303G
R303G
330k
TP306G
IC301G
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP305G
C302G
0.1
0.1
C301G
TP308G
DG
+3.3V
TP307G
TP301G
TP304H
TP309H
100k
R301H TP302H
C303H 0.022
68k
R302H
DG
TP303H
R303H
330k
TP306H
IC301H
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP305H
C302H
0.1
0.1
C301H
TP308H
DG
+3.3V
TP307H
TP301H
IC302
8
4
+3.3V
C313
0.1
IC302
1
X301
3.58M
R311
1M
IC302
6
0
R313
TP380
TP384
TP383
TP381
220
R312
C311
8P
C312
8P
TP382
TOE[0-7]
D[0-15]
EST[0-7]
DTMFR[0-7]
IC302
5
D[0-15]
TOE[0-15]
EST[0-15]
D[0]
D[1]
D[2]
D[3]
TOE[0]
EST[0]
D[3]
D[2]
D[1]
D[0]
TOE[1]
EST[1]
D[3]
D[2]
D[1]
D[0]
TOE[2]
EST[2]
D[3]
D[2]
D[1]
D[0]
TOE[3]
EST[3]
DTMFR[0-7]
D[3]
D[2]
D[1]
D[0]
TOE[4]
EST[4]
D[3]
D[2]
D[1]
D[0]
TOE[5]
EST[5]
D[3]
D[2]
D[1]
D[0]
TOE[6]
EST[6]
D[3]
D[2]
D[1]
D[0]
TOE[7]
EST[7]
DTMFR[0]
DTMFR[1]
DTMFR[2]
DTMFR[3]
DTMFR[4]
DTMFR[6]
DTMFR[7]
DTMFR[5]
3
2
7
KX-TDA0173 SCHEMATIC DIAGRAM NO.4
18
KX-TDA0173 / KX-TDA0173XJ / KX-TDA0173X
T.H.
KXTDA0173
KXTDA0173XJ
KXTDA0173XUK
3.4. No.4 (NEWLY ADDED)
IC301A
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1 8
Q3
14
ST/BT
19
VDD
20
100k
R301A
TP304A
DG
TP309A
68k
R302A
TP303A
0.1
C301A
TP305A
TP307A
C302A
0.1
C303A 0.022
DG
R303A
330k
+3.3V
TP308A
TP306A
TP301A
TP302A
TP304B
TP309B
100k
R301B TP302B
C303B 0.022
68k
R302B
DG
TP303B
R303B
330k
TP306B
IC301B
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1 8
Q3
14
ST/BT
19
VDD
20
TP305B
C302B
0.1
0.1
C301B
TP308B
DG
+3.3V
TP307B
TP301B
TP304C
TP309C
100k
R301C TP302C
C303C 0.022
68k
R302C
DG
TP303C
R303C
330k
TP306C
IC301C
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP305C
C302C
0.1
0.1
C301C
TP308C
DG
+3.3V
TP307C
TP301C
TP304D
TP309D
100k
R301D TP302D
C303D 0.022
68k
R302D
DG
TP303D
R303D
330k
TP306D
IC301D
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP305D
C302D
0.1
0.1
C301D
TP308D
DG
+3.3V
TP307D
TP301D
TP304E
TP309E
100k
R301E TP302E
C303E 0.022
68k
R302E
DG
TP303E
R303E
330k
TP306E
IC301E
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP305E
C302E
0.1
0.1
C301E
TP308E
DG
+3.3V
TP307E
TP301E
TP304F
TP309F
100k
R301F TP302F
C303F 0.022
68k
R302F
DG
TP303F
R303F
330k
TP306F
IC301F
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6 PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP305F
C302F
0.1
0.1
C301F
TP308F
DG
+3.3V
TP307F
TP301F
TP304G
TP309G
100k
R301G TP302G
C303G 0.022
68k
R302G
DG
TP303G
R303G
330k
TP306G
IC301G
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP305G
C302G
0.1
0.1
C301G
TP308G
DG
+3.3V
TP307G
TP301G
TP304H
TP309H
100k
R301H TP302H
C303H 0.022
68k
R302H
DG
TP303H
R303H
330k
TP306H
IC301H
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP305H
C302H
0.1
0.1
C301H
TP308H
DG
+3.3V
TP307H
TP301H
IC302
8
4
+3.3V
C313
0.1
IC302
1
X301
3.58M
R311
1M
IC302
6
0
R313
TP380
TP384
TP383
TP381
220
R312
C311
8P
C312
8P
TP382
TOE[0-7]
D[0-15]
EST[0-7]
DTMFR[0-7]
IC302
5
D[0-15]
TOE[0-15]
EST[0-15]
D[0]
D[1]
D[2]
D[3]
TOE[0]
EST[0]
D[3]
D[2]
D[1]
D[0]
TOE[1]
EST[1]
D[3]
D[2]
D[1]
D[0]
TOE[2]
EST[2]
D[3]
D[2]
D[1]
D[0]
TOE[3]
EST[3]
DTMFR[0-7]
D[3]
D[2]
D[1]
D[0]
TOE[4]
EST[4]
D[3]
D[2]
D[1]
D[0]
TOE[5]
EST[5]
D[3]
D[2]
D[1]
D[0]
TOE[6]
EST[6]
D[3]
D[2]
D[1]
D[0]
TOE[7]
EST[7]
DTMFR[0]
DTMFR[1]
DTMFR[2]
DTMFR[3]
DTMFR[4]
DTMFR[6]
DTMFR[7]
DTMFR[5]
3
2
7
KX-TDA0173 SCHEMATIC DIAGRAM NO.4
18
KX-TDA0173 / KX-TDA0173XJ / KX-TDA0173X
T.H.
KXTDA0173
KXTDA0173XJ
KXTDA0173XUK
3.4. No.4 (NEWLY ADDED)
IC301A
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1 8
Q3
14
ST/BT
19
VDD
20
100k
R301A
TP304A
DG
TP309A
68k
R302A
TP303A
0.1
C301A
TP305A
TP307A
C302A
0.1
C303A 0.022
DG
R303A
330k
+3.3V
TP308A
TP306A
TP301A
TP302A
TP304B
TP309B
100k
R301B TP302B
C303B 0.022
68k
R302B
DG
TP303B
R303B
330k
TP306B
IC301B
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1 8
Q3
14
ST/BT
19
VDD
20
TP305B
C302B
0.1
0.1
C301B
TP308B
DG
+3.3V
TP307B
TP301B
TP304C
TP309C
100k
R301C TP302C
C303C 0.022
68k
R302C
DG
TP303C
R303C
330k
TP306C
IC301C
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP305C
C302C
0.1
0.1
C301C
TP308C
DG
+3.3V
TP307C
TP301C
TP304D
TP309D
100k
R301D TP302D
C303D 0.022
68k
R302D
DG
TP303D
R303D
330k
TP306D
IC301D
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP305D
C302D
0.1
0.1
C301D
TP308D
DG
+3.3V
TP307D
TP301D
TP304E
TP309E
100k
R301E TP302E
C303E 0.022
68k
R302E
DG
TP303E
R303E
330k
TP306E
IC301E
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP305E
C302E
0.1
0.1
C301E
TP308E
DG
+3.3V
TP307E
TP301E
TP304F
TP309F
100k
R301F TP302F
C303F 0.022
68k
R302F
DG
TP303F
R303F
330k
TP306F
IC301F
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6 PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP305F
C302F
0.1
0.1
C301F
TP308F
DG
+3.3V
TP307F
TP301F
TP304G
TP309G
100k
R301G TP302G
C303G 0.022
68k
R302G
DG
TP303G
R303G
330k
TP306G
IC301G
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP305G
C302G
0.1
0.1
C301G
TP308G
DG
+3.3V
TP307G
TP301G
TP304H
TP309H
100k
R301H TP302H
C303H 0.022
68k
R302H
DG
TP303H
R303H
330k
TP306H
IC301H
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP305H
C302H
0.1
0.1
C301H
TP308H
DG
+3.3V
TP307H
TP301H
IC302
8
4
+3.3V
C313
0.1
IC302
1
X301
3.58M
R311
1M
IC302
6
0
R313
TP380
TP384
TP383
TP381
220
R312
C311
8P
C312
8P
TP382
TOE[0-7]
D[0-15]
EST[0-7]
DTMFR[0-7]
IC302
5
D[0-15]
TOE[0-15]
EST[0-15]
D[0]
D[1]
D[2]
D[3]
TOE[0]
EST[0]
D[3]
D[2]
D[1]
D[0]
TOE[1]
EST[1]
D[3]
D[2]
D[1]
D[0]
TOE[2]
EST[2]
D[3]
D[2]
D[1]
D[0]
TOE[3]
EST[3]
DTMFR[0-7]
D[3]
D[2]
D[1]
D[0]
TOE[4]
EST[4]
D[3]
D[2]
D[1]
D[0]
TOE[5]
EST[5]
D[3]
D[2]
D[1]
D[0]
TOE[6]
EST[6]
D[3]
D[2]
D[1]
D[0]
TOE[7]
EST[7]
DTMFR[0]
DTMFR[1]
DTMFR[2]
DTMFR[3]
DTMFR[4]
DTMFR[6]
DTMFR[7]
DTMFR[5]
3
2
7
KX-TDA0173 SCHEMATIC DIAGRAM NO.4
18
KX-TDA0173 / KX-TDA0173XJ / KX-TDA0173X
T.H.
KXTDA0173
KXTDA0173XJ
KXTDA0173XUK
3.4. No.4 (NEWLY ADDED)
IC301A
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1 8
Q3
14
ST/BT
19
VDD
20
100k
R301A
TP304A
DG
TP309A
68k
R302A
TP303A
0.1
C301A
TP305A
TP307A
C302A
0.1
C303A 0.022
DG
R303A
330k
+3.3V
TP308A
TP306A
TP301A
TP302A
TP304B
TP309B
100k
R301B TP302B
C303B 0.022
68k
R302B
DG
TP303B
R303B
330k
TP306B
IC301B
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1 8
Q3
14
ST/BT
19
VDD
20
TP305B
C302B
0.1
0.1
C301B
TP308B
DG
+3.3V
TP307B
TP301B
TP304C
TP309C
100k
R301C TP302C
C303C 0.022
68k
R302C
DG
TP303C
R303C
330k
TP306C
IC301C
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP305C
C302C
0.1
0.1
C301C
TP308C
DG
+3.3V
TP307C
TP301C
TP304D
TP309D
100k
R301D TP302D
C303D 0.022
68k
R302D
DG
TP303D
R303D
330k
TP306D
IC301D
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP305D
C302D
0.1
0.1
C301D
TP308D
DG
+3.3V
TP307D
TP301D
TP304E
TP309E
100k
R301E TP302E
C303E 0.022
68k
R302E
DG
TP303E
R303E
330k
TP306E
IC301E
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP305E
C302E
0.1
0.1
C301E
TP308E
DG
+3.3V
TP307E
TP301E
TP304F
TP309F
100k
R301F TP302F
C303F 0.022
68k
R302F
DG
TP303F
R303F
330k
TP306F
IC301F
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6 PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP305F
C302F
0.1
0.1
C301F
TP308F
DG
+3.3V
TP307F
TP301F
TP304G
TP309G
100k
R301G TP302G
C303G 0.022
68k
R302G
DG
TP303G
R303G
330k
TP306G
IC301G
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP305G
C302G
0.1
0.1
C301G
TP308G
DG
+3.3V
TP307G
TP301G
TP304H
TP309H
100k
R301H TP302H
C303H 0.022
68k
R302H
DG
TP303H
R303H
330k
TP306H
IC301H
IN-
2
GS
3
IN+
1
VREF
4
INH
5
6
PWDN
OSC2
9
Q2
13
Q1
12
TOE
11
VSS
10
15
Q4
16
NC16
STD
17
EST
18
NC7
7
OSC1
8
Q3
14
ST/BT
19
VDD
20
TP305H
C302H
0.1
0.1
C301H
TP308H
DG
+3.3V
TP307H
TP301H
IC302
8
4
+3.3V
C313
0.1
IC302
1
X301
3.58M
R311
1M
IC302
6
0
R313
TP380
TP384
TP383
TP381
220
R312
C311
8P
C312
8P
TP382
TOE[0-7]
D[0-15]
EST[0-7]
DTMFR[0-7]
IC302
5
D[0-15]
TOE[0-15]
EST[0-15]
D[0]
D[1]
D[2]
D[3]
TOE[0]
EST[0]
D[3]
D[2]
D[1]
D[0]
TOE[1]
EST[1]
D[3]
D[2]
D[1]
D[0]
TOE[2]
EST[2]
D[3]
D[2]
D[1]
D[0]
TOE[3]
EST[3]
DTMFR[0-7]
D[3]
D[2]
D[1]
D[0]
TOE[4]
EST[4]
D[3]
D[2]
D[1]
D[0]
TOE[5]
EST[5]
D[3]
D[2]
D[1]
D[0]
TOE[6]
EST[6]
D[3]
D[2]
D[1]
D[0]
TOE[7]
EST[7]
DTMFR[0]
DTMFR[1]
DTMFR[2]
DTMFR[3]
DTMFR[4]
DTMFR[6]
DTMFR[7]
DTMFR[5]
3
2
7
KX-TDA0173 SCHEMATIC DIAGRAM NO.4
18
KX-TDA0173 / KX-TDA0173XJ / KX-TDA0173X
T.H.
KXTDA0173
KXTDA0173XJ
KXTDA0173XUK
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