Read Panasonic KX-TDA0290CJ / KX-TDA0290CE (serv.man3) Service Manual Supplement online
21
KX-TDA0290CJ / KX-TDA0290CE
KX-TDA0290CJ/KX-TDA0290CE MAIN BOARD No.1 2/2
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(12)
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(16)
(45)
(18)
(35)
(37)
(37)
(42)
(1)
(2)
(2)
(3)
(5)
(7)
(9)
(11)
(13)
(15)
(17)
(11)
(13)
(15)
(17)
(19)
(20)
(21)
(22)
(23)
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(24)
(25)
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(27)
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(30)
(31)
(32)
(27)
(28)
(29)
(30)
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(32)
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(34)
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(38)
(36)
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(41)
(43)
(43)
(46)
(47)
(48)
(49)
(50)
(51)
(51)
(52)
(53)
(54)
(44)
LA[19]
LA[18]
LA[17]
LA[15]
LA[14]
LA[13]
LA[12]
LA[11]
LA[10]
LA[9]
LA[8]
LA[7]
LA[6]
LA[5]
LA[4]
LA[3]
LA[2]
LA[1]
LA[0]
LA[17]
LA[16]
LA[15]
LA[14]
LA[13]
LA[12]
LA[11]
LA[10]
LA[9]
LA[8]
LA[7]
LA[6]
LA[5]
LA[4]
LA[3]
LA[2]
LA[1]
LD[14]
LD[13]
LD[12]
LD[11]
LD[10]
LD[9]
LD[8]
LD[7]
LD[6]
LD[5]
LD[4]
LD[3]
LD[2]
LD[1]
LD[0]
EXTAL,XTAL
nCS[0-4],nCS[6]
nBACK,nBREQ,nIRQ[1],nRST,nWAIT
nIRQ[0],nIRQ[6-7]
nLBS,nRD,nWR
nWR
LD[0]
LD[1]
LD[2]
LD[3]
LD[4]
LD[5]
LD[6]
LD[7]
LD[8]
LD[9]
LD[10]
LD[11]
LD[12]
LD[13]
LD[14]
LD[15]
LD[0]
LD[1]
LD[2]
LD[3]
LD[4]
LD[5]
LD[6]
LD[7]
LD[8]
LD[9]
LD[10]
LD[11]
LD[12]
LD[13]
LD[14]
LD[15]
nCS[2]
nRD
LD[15]
LA[18]
LA[21]
LA[20]
LA[16]
nUB
nLB
nLB
CTS,RTS,RXD,TXD
EXTAL
EXTAL
XTAL
PA[1],PA[9],PIN69
PIN69
nLBSM,nRDM,nWRM
PB[1-2],PB[4-7],PB[10-11]
PB[1]
LA[8]
nLBS
LA[9]
LA[10]
LA[10]
nCS[3]
LA[11]
LA[0]
LA[12]
LA[18]
LA[13]
LA[14]
LA[15]
LA[16]
LA[17]
LA[14]
LA[15]
LA[16]
LA[17]
LD[13]
LD[14]
LD[15]
LD[14]
LD[15]
LD[12]
LD[11]
LD[10]
LD[9]
LD[8]
nWR
LD[7]
nRD
LD[6]
LD[5]
LD[4]
LD[3]
LD[2]
LA[1]
LD[1]
LA[2]
LD[0]
LA[3]
LA[4]
LA[5]
LA[6]
LA[7]
LA[4]
LA[5]
LA[6]
LA[7]
nIRQ[0]
nRD
nRD
nLBS
nLBS
nWR
nWR
RYnBY
nRST
LD[15]
LD[14]
LD[13]
LD[12]
LD[11]
LD[10]
LD[9]
LD[8]
LD[7]
LD[6]
LD[5]
LD[4]
LD[3]
LD[2]
LD[1]
LD[0]
nRDM
nLBSM
nWRM
nLBSM
nWRM
LA[0]
nLBS
nBACK
PB[2]
LA[19]
LA[19]
nCS[6]
CLKO
C6
0.1u
R22
NC
R24
22
R21
100
J7
NC
J8
NC
C11
NC
C12
NC
C21
0.1u
R31
10K
10K
R32
10K
10K
R33
10K
10K
R20
10K
IC23
14
7
C22
0.1u
0.1u
IC1
CPU
1
AD0
2
AD1
3
AD2
4
Vss4
5
AD3
6
AD4
7
AD5
8
AD6
9
AD7
10
AD8
11
AD9
12
AD10
13
Vcc13
14
AD11
15
Vss15
16
AD12
17
AD13
18
AD14
19
AD15
24
Vss24
32
Vss32
38
Vcc38
41
Vss41
50
Vss50
55
PA4/WRL(WR)
56
PA5/WRH(LBS)
57
PA6/RD
59
Vss59
63
Vcc63
69
CK
70
Vss70
71
EXTAL
72
XTAL
73
Vcc73
76
RES
80
Vcc80
81
Vss81
82
Vss82
83
PB0/TP0/TIOCA2
84
PB1/TP1/TIOCB2
85
PB2/TP2/TIOCA3
86
PB3/TP3/TIOCB3
88
Vcc88
92
Vss92
RA6
68
1
2
3
4
2
3
4
5
6
7
8
RA8
68
1
2
3
4
2
3
4
5
6
7
8
L44
220
L45
220
L46
220
IC23
5
6
IC23
9
8
C23
0.1u
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
DG
DG
DG
DG
DG
DG
DG
+3.3V
J13 NC
J15 NC
R148
22
R149
22
nCS_ISDN
nCS_DSP
C49
0.1u
DG
+3.3V
+3.3V
C4
0.1u
C48
0.1u
+3.3V
+3.3V
R34
10K
R35
68
R29
68
R30
150
C20
0.1u
DG
+3.3V
J27 NC
+3.3V
J29 NC
DG
C82
0.1u
C83
0.1u
C84
0.1u
C85
0.1u
C86
0.1u
C87
0.1u
+3.3V
+3.3V
DG
DG
TP77
TP104
TP93
TP120
TP80
TP391
TP419
TP88
TP95
TP105
TP103
TP74
TP84
TP89
TP390
TP691
TP420
TP429
TP681
TP690
TP428
TP112
TP14
TP87
TP114
TP82
TP76
TP101
TP287
TP113
TP78
TP106
TP81
TP73
TP79
TP108
TP86
TP102
TP111
TP85
TP713
TP90
TP75
TP83
TP283
IC20
14
7
IC30
14
7
FIL4
1
2
3
FIL3
1
2
3
IC28
1
2
2
3
IC28
4
5
5
6
IC28
9
10
8
IC28
12
13
11
IC28
14
7
RA11
1K
1
2
3
4
5
6
7
8
9
10
RA13
1K
1
2
3
4
5
6
7
8
9
10
RA10
1K
1
2
3
4
5
6
7
8
9
10
RA26
1K
1
2
3
4
5
6
7
8
9
10
RA12
1K
1
2
3
4
5
6
7
8
9
10
IC3
4Mbit(8Mbit)SRAM
1 A4
2 A3
3 A2
4 A1
5 A0
6 CS1
7
I/O0
8
I/O1
9
I/O2
10
I/O3
11
VDD11
12
GND12
13
I/O4
14
I/O5
15
I/O6
16
I/O7
17 WE
18 A17
19 A16
20 A15
21 A14
22 A13
23 A12
24 A11
25 A10
26 A9
27 A8
28 CS2
29
I/O8
30
I/O9
31
I/O10
32
I/O11
33
VDD33
34
GND34
35
I/O12
36
I/O13
37
I/O14
38
I/O15
39 LB
40 UB
41 OF
42 A7
43 A6
44 A5
IC4
NC
1 A4
2 A3
3 A2
4 A1
5 A0
6 CS1
7
I/O0
8
I/O1
9
I/O2
10
I/O3
11
VDD11
12
GND12
13
I/O4
14
I/O5
15
I/O6
16
I/O7
17 WE
18 A17
19 A16
20 A15
21 A14
22 A13
23 A12
24 A11
25 A10
26 A9
27 A8
28 CS2
29
I/O8
30
I/O9
31
I/O10
32
I/O11
33
VDD33
34
GND34
35
I/O12
36
I/O13
37
I/O14
38
I/O15
39 LB
40 UB
41 OF
42 A7
43 A6
44 A5
10
9
8
IC24
14
7
IC31
14
7
X1
12.288M
1
2
3
R98
NC
TP107
IC30
11
CLK
12
D
9
Q
10
SET
13
RESET
8
Q
TP433
4
5
5
6
TP125
TP146
IC7
1 Xin
2
GND
3
S1
4
S0
5 SSCLK
6
FASEL
7
VDD
8 XOUT
R99
330
R23
NC
C7
NC
CLK0
nCS_ISDN
nCS_DSP
C2
NC
C1
0.1u
FIL5
1
2
3
J28
0
J30
0
TP392
TP394
3.3V
0
3.3V
12.288MHz
0
3.3V
0
3.3V
0
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