Panasonic KX-TDA0290CJ / KX-TDA0290CE (serv.man3) Service Manual / Supplement ▷ View online
25
KX-TDA0290CJ / KX-TDA0290CE
KX-TDA0290CJ/KX-TDA0290CE MAIN BOARD No.3 2/2
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(12)
(13)
(14)
(15)
(16)
nLBS,nRD,nWR
LA[0-21]
LA[0]
LA[1]
LA[2]
LA[3]
LA[4]
UHW[0]
nRD
nRxMF
nWR2
DHW[0]
nTxMF
DSTI
nCS_ISDN
DHW[0],DSTI,HW_CLK[0-1],UHW[0],nHW_FH,nSHW_FH
nINT_ISDN
REF_CLK
HW_CLK[0]
nHW_FH
LD[0-15]
LD[7]
LD[6]
LD[5]
LD[4]
LD[3]
LD[2]
LD[1]
LD[0]
LD[6]
LD[5]
LD[4]
LD[3]
LD[2]
LD[1]
LD[0]
ISDN_RST
nLOS
X5
20M
R332
1M
L301
0
R325
10k
R328
10k
R318
10k
R319
10k
R320
10k
R321
10k
R322
1k
R335
22
R340
10k
R342
10k
R346
220
R341
22
R338
22
R350
NC
R351
1k
C304
0.1
DG
DG
DG
DG
DG
DG
nINT_ISDN
nWR2
ISDN_RST
DG
nTxMF
nRxMF
nLOS
+3.3V
nCS_ISDN
R343
10k
R337
68
TP443
TP451
TP192
TP450
TP226
TP182
TP188
TP444
TP440
TP225
TP229
TP441
TP445
TP442
TP219
TP448
TP286
TP216
TP210
TP209
TP208
TP207
TP449
TP224
TP446
TP218
TP223
TP447
TP237
TP217
TP186
TP197
TP215
TP194
TP234
TP222
TP473
FIL310
1
2
3
D313
1
2
3
2
3
4
5
6
SW301
1
2
3
4
5
6
7
8
9
10
11
12
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
R336
1M
L302
0
TP205
TP187
TP189
TP117
TP118
CLKOUT
TP243
TP244
TP245
TP251
TP252
TP246
TP247
TP248
TP249
TP250
TP109
R312
1k
TP253
TP254
TP255
TP256
R330 10k
+3.3V
TP257
R313
1k
R329
1k
R352
1k
DG
R333
NC
R309
1k
+3.3V
R310
1k
R311
1k
R344 10k
+3.3V
R353 10k
+3.3V
R323
NC
TP116
TP115
R324
1k
R339 10k
+3.3V
J303
NC
TP260
C302
0.1
C311
0.1u
C314
0.1
C307
0.1
C305
0.1
C306
0.1
nHW_FH1
J311 NC
DSTI
REFC
LOCK
R345 10k
+3.3V
TP151
TP156
TP157
TP158
TP159
TP160
TP161
TP165
TP166
TP179
TP181
TP183
TP190
R306
120
DG
C342
0.01u
TP275
TP276
TP284
+3.3V
DG
R382
220
Q303
E
C
B
DG
TERM
DG
IC301
1
NC1
2
AC1
3
AC2
4
AC3
5
AC4
6 GNDARX
7 RTIP
8 RRING
9
VDARX
10 VDD1
11 VSS1
12 TXA
13 TXB
14
RXDLCK
15
RXDL
16
TXMF
17
RXMF/TXFP
18 BS/LS
19
NC19
20
NC20
21
NC21
22
EXclk
23
C4b
24
F0b
25
RXFP
26 IC1
27 VSS2
28 VDD2
29 VDDATX
30 TTIP
31 TRING
32 GNDATX
33 Tdi
34 Tdo
35 Tms
36 Tclk
37 Trst
38
TXAO
39
NC39
40
NC40
41
NC41
42
NC42
43
LOS
44 IC2
45 IC3
46
TCDLCK
47
TXDL
48 S/FRExclki
49 VDD3
50 VSS3
51 OSC1
52 OSC2
53 VSS4
54 VDD4
55
CSTo
56
CSTi
57
DSTo
58
DSTi
59
DS/RD
60
NC60
61
NC61
62
NC62
63
CS
64
RESET
65
IRQ
66
D0
67
D1
68
D2
69
D3
70 VSS5
71 IC4
72 INT/MOT
73 VDD5
74
D4
75
D5
76
D6
77
D7
78
R/W/WR
79
AC0
80
NC80
IC302
9
OSCI
16
C1.5O
17
VDD17
18
LOCK
19
C2O
20
C4O
21
C19O
22
FLOCK
23
VSS23
24
IC24
25
C8O
26
C16O
27
C6O
28
VDD28
29
IM
30
IC30
31
VSS31
32
NC
33
IC33
34
IC34
35
VDD35
36
MS
37
IC37
38
IC38
39
IC39
40
FS2
41
FS1
42
IC42
43
IC43
44
TDO
45
TDI
46
TRST
47
TCK
48
TMS
1
VSS1
2
RST
3
IC3
4
IC4
5
IC5
6
REF
7
VDD7
8
OSCO
11
F16O
12
F0O
10
VSS10
13
RSP
14
TSP
15
F8O
C313
1u
R331
NC
C301
0.47u
2125
IC23
13
12
J304
0
J305 0
J310
0
R327
220
R334
220
FLOCK
FLOCK
F80
RXFP
L303
C308
12p
C309
18p
TP99
TP206
TP195
TP191
TP98
TP178
TP184
TP185
TP396
3.3V
0
4.096MHz
3.3V
0
2.048MHz
3.3V
0
8KHz
26
KX-TDA0290CJ / KX-TDA0290CE
1.8.4.
No.4
Change from the Original Service Manual Section 15.4.
KX-TD
A0290CJ/KX-TD
A0290CE MAIN BO
ARD No
.4
LD[0-15]
LD[7]
LD[0]
LD[1]
LD[2]
LD[3]
LD[4]
LD[5]
LD[6]
LA[0-21]
LA[0]
LA[1]
LA[2]
LA[3]
DHW[0],DSTI,HW_CLK[0-1],UHW[0],nHW_FH,nSHW_FH
nLBS,nRD,nWR
nINT_DSP
HRDY
nSHW_FH
DHW[0]
HW_CLK[1]
UHW[0]
nCS_DSP
nWR
nRD
HW_CLK[1]
nSHW_FH
DSTI
DSP_nRST
R370
NC
R373
NC
R374
NC
R375
NC
C327
NC
X6
NC
R371
NC
R372
NC
J301
NC
J302
NC
C328
NC
C329
NC
R359
NC
R360
NC
R361
NC
R362
NC
R363
NC
R365
NC
R364
NC
R387
NC
R367
NC
R368
NC
C324
NC
+3.3V
DG
+3.3V
+3.3V
+3.3V
+1.8V
DG
DG
DG
+3.3V
nINT_DSP
DSP_nRST
R384
NC
R385
NC
R386
NC
DG
HRDY
R366
NC
C336
NC
C337
NC
C338
NC
DG
nCS_DSP
R369
NC
J322
NC
J319
NC
J320
NC
J321
NC
DG
+3.3V
+3.3V
DG
TP369
TP364
TP686
TP367
TP366
TP360
TP474
TP263 TP274 TP277 TP278
TP368
TP303
TP266
TP302
TP301
TP300
TP299
TP264
TP282
TP289
TP298
TP297
TP296
TP295
TP294
TP293
TP292
TP273
TP288
TP272
TP685
TP291
TP290
TP285
TP371
TP119
TP362
TP361
TP359
TP363
TP365
FIL312
1
2
3
RA302
NC
RA301
NC
IC305
1
Xin
2
GND
3
S1
4
S0
5
SSCLK
6
FASEL
7
VDD
8
XOUT
IC303
DSP
NC
6
HD7
13
HAS
17
HCS
18
HR/W
19
READY
20
PS
21
DS
22
IS
23
R/W
24
MSTRB
25
IOSTRB
26
MSC
27
XF
28
HOLDA
29
IAQ
30
HOLD
31
BIO
32
MP/MC
39
HCNTL0
41
BCLKR0
42
BCLKR1
43
BFSR0
44
BFSR1
45
BDR0
46
HCNTL1
47
BDR1
48
BCLKX0
49
BCLKX1
51
HINT/TOUT1
53
BFSX0
54
BFSX1
55
HRDY
58
HD0
59
BDX0
60
BDX1
61
IACK
62
HBIL
63
NMI
64
INT0
65
INT1
66
INT2
67
INT3
69
HD1
77
CLKMD1
78
CLKMD2
79
CLKMD3
81
HD2
82
TOUT0
83
EMU0
84
EMU1/OFF
85
TDO
86
TDI
87
TRST
88
TCK
89
TMS
92
HPIENA
94
CLKOUT
95
HD3
96
X1
97
X2/CLKIN
98
RS
120
HD4
124
HD5
127
HDS1
129
HDS2
135
HD6
R398
NC
TP370
DG
C323
NC
C322
NC
C326
NC
C325
NC
C312
NC
C310
NC
C303
NC
FIL308
NC
1
2
3
FIL313
NC
1
2
3
DG
+3.3V
C332
NC
L304
NC
C335
NC
TP324
TP322
TP320
TP304
TP373
TP309
TP307
TP305
TP333
TP331
TP329
TP336
TP334
TP332
TP327
TP325
TP323
TP358
TP357
TP356
TP345
TP350
TP347
TP352
TP351
TP306
TP342
TP337
TP348
TP335
TP344
TP315
TP313
TP311
TP279
TP330
TP328
TP280
TP326
TP341
TP281
TP355
TP339
TP354
TP338
TP353
TP321
TP319
TP317
TP270
TP265
TP265
TP712
TP343
TP346
TP349
TP340
TP312
TP318
TP310
TP316
TP308
TP314
1
2
3
4
2
3
4
5
6
7
8
9
7
8
9
10
1
2
3
4
2
3
4
5
6
7
8
9
7
8
9
10
1
NC1
2
NC2
3
VSS3
4
DVDD4
5 A10
7 A11
8 A12
9 A13
7 A11
8 A12
9 A13
10 A14
11 A15
11 A15
12
NC12
14
VSS14
15
NC15
16
CVDD16
33
DVDD33
34
VSS34
35
NC35
36
NC36
37
NC37
38
NC38
40
VSS40
50
VSS50
52
CVDD52
56
DVDD56
57
VSS57
68
CVDD68
70
VSS70
71
NC71
72
NC72
73
NC73
74
NC74
75
DVDD75
76
VSS76
80
NC80
90
NC90
91
CVDD91
93
VSS93
99 D0
100 D1
101 D2
102 D3
103 D4
104 D5
101 D2
102 D3
103 D4
104 D5
105 A16
106
VSS106
107 A17
108 A18
109 A19
108 A18
109 A19
110
NC110
111
VSS111
112
DVDD112
113 D6
114 D7
114 D7
115 D8
116 D9
117 D10
118 D11
119 D12
121 D13
122 D14
123 D15
116 D9
117 D10
118 D11
119 D12
121 D13
122 D14
123 D15
125
CVDD125
126
NC126
128
VSS128
130
DVDD130
131 A0
132 A1
133 A2
134 A3
136 A4
137 A5
138 A6
139 A7
140 A8
141 A9
132 A1
133 A2
134 A3
136 A4
137 A5
138 A6
139 A7
140 A8
141 A9
142
CVDD142
143
NC143
144
NC144
R399
NC
C343
NC
27
KX-TDA0290CJ / KX-TDA0290CE
1.8.5.
No.5
Change from the Original Service Manual Section 15.5.
KX-TD
A0290CJ/KX-TD
A0290CE MAIN BO
ARD No
.5
R504
56
D502
30V 2A
1
2
+1.8V
+3.3V
DG
P.G
DG
P.G
DG
P.G
DG
P.G
L507
21P600
L502
0
D510
TP406
IC503
NC
1
VDD
2
GND
3
CE
4
NC
5
VOUT
C501
0.1u
50V
DG
P.G
C507
0.1u
C503
0.1u
50V
+3.3V
+1.8V
TP267
TP268
C508
1u
C509
NC
C401
150u
25V
C404
330u
6.3V
R502
10K 1%
DG
P.G
C502
0.01u
R507
15K
R501
0
1/8W
L501
1.0A/100u
+15V
R508
47K
Q504
4
3
5
R509
10K
D511
R510
2.2K
1/8W
R511
47K
DG
R512
1K
C510
0.47
DG
Q504
1
6
2
DG
R513
33K
R514
10K
DG
TP808
TP807
TP809
TP810
R505
27.4K 1%
Q503
S
D
G
TH1
Q505
S
D
G
TP806
C511
NC
TP410
J327
0
TP811
TP389
TP387
IC501
1
CE/CSS
2
VSS
3
FB
4
EXT/
5
VIN
TP813
TP374
D512
VZ=5.1V
TP382
TP385
TP92
TP814
R515
22K
TP411
D513
+3.3V
DG
+3.3V
C54
0.01u
C55
0.01u
C56
0.01u
C62
0.01u
C63
0.01u
C64
0.01u
C65
0.01u
C66
0.01u
C67
0.01u
C68
0.01u
C69
0.01u
C70
0.01u
C71
0.01u
C57
0.01u
C72
0.01u
C73
0.01u
C74
0.01u
C75
0.01u
C76
0.01u
C77
0.01u
C78
0.01u
C79
0.01u
C80
0.01u
C81
0.01u
C100
0.01u
C101
0.01u
C110
0.01u
C111
0.01u
C112
0.01u
C113
0.01u
C114
0.01u
C115
0.01u
C116
0.01u
C102
0.01u
C103
0.01u
C104
0.01u
C105
0.01u
C106
0.01u
C107
0.01u
C108
0.01u
C109
0.01u
C117
0.01u
C118
0.01u
C119
0.01u
C120
0.01u
DG
15V
250-350KHz
0
3.3V
0
15V
0
15V
0
28
KX-TDA0290CJ / KX-TDA0290CE
1.9.
PRINTED CIRCUIT BOARD
Change from the Original Service Manual Section 16
KX-TDA0290CJ/KX-TDA0290CE MAIN BOARD COMPONENT VIEW
C111
C67
R20
J9
J4
L34
L33
L32
L31
L26
R12
R34
IC23
IC20
IC24
C22
C24
R71
R77
FIL7
C96
C41
C60
C25
C120
C118
R146
R51
C117
R147
J17
R149
IC30
R148
R130
R129
L81
L62
L61
L60
L59
L58
L57
L56
L55
L78
L77
L76
L75
L74
L73
L72
L71
L70
L69
C45
C61
R113
R154
R153
RA36
R156
R155
R112
R110
R123
R111
L63
D511
C511
R509
R512
L79
FIL9
FIL12
C89
C90
C91
R36
D510
D502
J327
L501
L64
L65
L66
L67
L68
R124
R125
R126
R127
R128
R514
C501
C503
R502
R505
C502
C335
C404
D512
C401
R169
R168
R167
R166
R165
R164
R163
R162
R161
R160
R159
R157
R158
R170
R171
R171
R106
R105
R172
R173
R174
R175
R176
R116
R173
R174
R175
R176
R116
RA37
RA38
RA39
IC31
X2
R8
R6
X5
L301
R340
R350
R335
R321
C304
C302
R331
C313
R316
R314
R391
R390
SA302
SA303
SA306
SA305
C54
J324
R39
R40
R43
R44
R46
R47
R48
R46
R47
R48
D1
D2
D3
D3
D4
D5
D6
D6
C81
SA301
C331
R392
R393
R381
R324
R339
R345
C341
C330
R310
R344
R352
R323
R353
R311
R329
R330
R313
R313
R309
R333
C306
R315
R317
J310
R327
C314
C307
R343
R322
R320
R319
R318
C301
J311
J305
R332
R61
R9
R181
R180
R180
IC28
RA16
RA17
C39
C83
L1
L20
L21
L22
L18
L16
L14
L12
L10
L8
L6
L4
L2
1
CN3
C108
RA11
RA10
R89
R90
7
L3
L5
L7
L9
L11
L13
L15
L17
L19
C73
R17
R13
J49
J12
C20
FIL4
R99
C12
8
5
R98 C11
J8
J28
J27
R15
R16
J29
IC7
1
R22
R24
FIL3
C85
C84
J7
FIL15
J25
L25
L24
L23
L30
L29
L28
L27
L38
L37
L36
L35
J6
J323
J5
C78
SW301
BNC 75
Ω
12
6
1
7
R306
R307
RJ45
120
Ω
Ω
IC5
IC3
C1
C2
22
23
1
44
1
24
C110
25
48
C10
C109
C6
23
22
1
44
IC4
C7
J13
R23
C21
14
8
8
7
7
1
17
8
14
RA6
RA7
RA8
RA9
C103
J50
J51
C107
RA13
J10
100
C87
C86
C23
FIL5
X1
75
J30
R177
C58
14
C4
1
R37
7
8
FIL6
L47
R10
RA18
R21
R14
L46 L45 L44 L43 L48 L42 L41 L40
L39
1
25
26
RA12
IC1
C82
50
C77
R1
R38
R38
R41
R2
R42
R3
R4
R45
C106
A45
45
40
35
30
25
20
15
10
5
1
B45
A1
B1
CN1
Q12
RA1
RA2
RA3
RA4
RA5
RA26
C105
R18
R19
C119
R25
R26
R27
R28
R74
R11
R35
R30
R31
R29
R32
R33
R76 R75
7
8
1
14
C49
C66
7
8
1
14
C48
C33
IC29
IC6
8
1
7
208
1
R100
C32
R143
R87
R49
R79
R73 J14
C38
C42
R131
R107
R121
52
53
C43
C44
C88
IC2
104
105
C55
IP1
C74
Q505
TH1
R513
R508
R510
Q504
C65
C510
R511
D513
L507
C75
L502
Q503
R507
R504
R501
R515
IC501
C72
C101
C507
C100
C102
J320
J319
J321
J322
4
5
8
1
IC305
C62
FIL313
FIL312
RA301
J301
J302
R371
C343
C337
C326
C327
C71
C70
C57
C338
C312
R362
R364
R365
R387
R366
R367
C323
R372
R363
R385
C303
R369
R358
FIL311
J303
R312
IC302
C320
J304
C339
L304
IC503
C324
C310
C332
R386
R384
C64
X6
C329
C328
R399
R398
C56
C325
C336
73
C76
C508
R361
R360
R359
72
FIL308
R375
R374
R368
C509
R370
R373
C104
37
36
IC303
RA302
108
109
144
1
C322
C80
C79
C69
C63
C68
R139
R141
R150
R120
R109
R118
R117
R115
R97
R138
R104
R119
R151
R132
R140
R152
R108
R114
C59
R95
R142
R93
R91
R144
R94
R92
R88
R178
R52
R50
C17
156
157
1
IC21
R5
R53
R54
R69
R56
R67
R70
R55
R68
R57
R59
R60
R64
R63
C116
R66
R58
R65
X3
C319
C318
L302
R334
R336
C321
1
48
24
25
C92
C93
C94
R133
R145
R103
R102
R137
R135
R136
R134
R179
C95
RA40
RA25
RA27
RA35
RA28
C112
C309
C308
1
60
R325
R342
R341
41
40
C311
C305
21
20
FG
J308
NC
1
3
FG
J309
NC
1
3
12
12
CN7
CN6
R337
R351
C342
L303
80
IC301
1
FIL310
R346
R338
R328
C113
D313
Q303
8
5
RL303
R382
D312
1
4
C114
C315
1
8
9
16
C316
C317
C115
T301
Q302
R378
R376
D315
D314
Q301
1
4
8
5
RL302
1
4
8
5
RL301
1
2
7
8
CN4
4
6
5
8
1
FIL301
12
B
A
1
7
SW302
J3
Q4
Q2
Q8
Q6
Q7
Q1
Q3
Q5
STS
ERR
RAI
SYNC
AIS
LINK
PSUP1331Y
PbF
A
Click on the first or last page to see other KX-TDA0290CJ / KX-TDA0290CE (serv.man3) service manuals if exist.