Read Panasonic KX-TDA0290CJ / KX-TDA0290CE (serv.man3) Service Manual Supplement online
22
KX-TDA0290CJ / KX-TDA0290CE
1.8.2.
No.2
Change from the Original Service Manual Section 15.2.
KX-TDA0290CJ/KX-TDA0290CE MAIN BOARD No.2 1/2
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(11)
(12)
(13)
(14)
(15)
CT_D[0-7]
EC_INT,EC_DET
P2[2]
P2[3]
CT_NETREF,CT_FRAME,CT_C8,CT_LOS
P1[1]
P1[2]
P2[2-3]
P1[3]
P1[0-4]
P1[4]
EC_AD[0-15]
nRST,nIRQ[1],nWAIT,nBREQ,nBACK
EC_CLK,EC_STOP,EC_TRDY,EC_PERR,EC_FRAME,EC_PAR,EC_BE[0-1],EC_IDSEL,EC_nRST
nRD,nWR,nLBS
LD[0-15]
P1[0]
LA[0-21]
LA[2]
LA[3]
LD[1]
LA[4]
LD[2]
LD[3]
LA[11]
LA[8]
LA[12]
LA[9]
LA[10]
LD[7]
LA[0]
LA[1]
LA[5]
LA[6]
LA[7]
LD[4]
LD[6]
nCS[0-4],nCS[6]
LD[0]
LD[5]
P1[0-4]
P1[0-4]
nBACK
nBREQ
LnRST
P2[2]
P2[3]
P2[3]
nRST
C16M
nHW_FH1
DHW[0],DSTI,HW_CLK[0-1],UHW[0],nHW_FH,nSHW_FH
CT_LOS
R47
150
D2
1
2
R39
150
R44
150
R48
150
R46
150
D3
1
2
R43
150
D4
1
2
D1
1
2
3
4
D5
1
2
R40
150
D6
1
2
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
DG
DG
C32
0.1u
DG
R73
22
R131
10K
X2
16.384MHz
IC29
11
10
IC29
9
8
DG
+3.3V
DG
C24
12p
IC29
13
12
IC29
3
4
R100
150
DG
C33
0.1u
IC29
5
6
IC29
14
7
C25
15p
15p
R77
2.2K
2.2K
R71
1M
IC29
1
2
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
ISDN_RST
DSP_nRST
+3.3V
nTxMF
LOOPB
C39
0.01u
J14
NC
+3.3V
R133
10K
R136
10K R137
10K
DG
R135
10K
R134
10K
+3.3V
HRDY
nPWRST
+3.3V
DG
R49
1K
R51
NC
+3.3V
DG
C38
0.01u
R178
10K
C60
0.1u
DG
R63
NC
R56
NC
R54
1K
R67
10K
R55
1K
+3.3V
R64
NC
R60
1K
R58
1K
R70
NC
R59
1K
R57
1K
R65
NC
R68
NC
R53
1K
R66
NC
R69
NC
R179
10K
DG
TP141
TP518
TP142
TP521
TP140
TP577
TP575
TP520
TP572
TP586
TP687
TP688
TP576
TP144
TP573 TP574
TP580
TP582
TP519
TP143
TP130
TP126
TP138
TP139
TP132
TP578
TP134
TP133
TP137
TP127
TP131
TP135
TP136
TP128
TP129
TP548
TP556
TP530
TP528
TP581
TP531
TP511
TP564
TP562
TP568
TP539
TP540
TP540
TP537
TP509
TP559
TP541
TP510
TP583
TP538
TP555
TP551
TP536
TP532
TP522
TP543
TP514
TP533
TP560
TP512
TP553
TP516
TP529
TP535
TP527
TP547
TP534
TP557
TP552
TP558
TP515
TP513
TP542
TP523
TP561
TP545
TP524
TP544
TP563
TP565
TP554
TP550
TP566
TP569
TP525
TP546
TP571
TP549
TP567
FIL7
1
2
3
RA40
10K
1
2
3
4
5
6
7
8
9
10
RA27
10K
1
2
3
4
2
3
4
5
6
7
8
9
7
8
9
10
RA35
10K
1
2
3
4
2
3
4
5
6
7
8
9
7
8
9
10
RA28
10K
1
2
3
4
2
3
4
5
6
7
8
9
7
8
9
10
Q4
Q2
Q1
Q5
Q8
Q7
Q3
Q6
IC2
ASIC
3
PLLGND
4
PLLCLK
5
VDD5
39
LA[12]
40
LA[11]
41
LA[10]
42
LA[9]
43
LA[8]
45
LA[7]
46
LA[6]
47
LA[5]
48
LA[4]
49
LA[3]
50
LA[2]
51
LA[1]
52
LA[0]
151 P1[0]
152 P1[1]
153 P1[2]
154 P1[3]
155 P1[4]
156 P1[5]
157 P1[6]
158 P1[7]
161 P2[0]
162 P2[1]
163 P2[2]
164 P2[3]
165 P2[4]
166 P2[5]
167 P2[6]
168 P2[7]
170 P3[0]
171 P3[1]
172 P3[2]
173 P3[3]
174 P3[4]
175 P3[5]
176 P3[6]
177 P3[7]
2
VDD2
6
PLLAT1
12
LD[7]
13
LD[6]
14
LD[5]
15
LD[4]
16
LD[3]
17
LD[2]
18
LD[1]
19
LD[0]
20
VDD20
32
BREQ
33
BACK
34
BGAK
36
VDD36
37
SBREQ
38
SBACK
53
VDD53
63
VDD63
77
VDD77
87
VDD87
106
VDD106
120
VDD120
132
VDD132
133
C_CS[3]
134
C_CS[2]
135
C_CS[1]
136
C_CS[0]
137
DCLK
138
DOUT
139
DIN
140
CP[0]
142 P0[0]
143 P0[1]
144 P0[2]
145 P0[3]
146 P0[4]
147 P0[5]
148 P0[6]
149 P0[7]
183 AX[0]
184 AX[1]
185 AX[2]
186 AX[3]
187 AX[4]
188 AX[5]
189 AX[6]
190 AX[7]
192 P4[0]
193 P4[1]
194 P4[2]
195 P4[3]
196 P4[4]
197 P4[5]
198 P4[6]
199 P4[7]
201 P5[0]
202 P5[1]
203 P5[2]
204 P5[3]
205 P5[4]
206 P5[5]
207 P5[6]
208 P5[7]
IC24
1
2
2
3
TP20
TP8
TP6
R36
NC
R5
NC
NC
IC21
NC
3
CLK
2
D
5
Q
4
SET
1
RESET
6
Q
TP18
IC21
NC
11
CLK
12
D
9
Q
10
SET
13
RESET
8
Q
+3.3V
R50
NC
TP9
TP10
TP13
nHW_FH1
C17
NC
+3.3V
DG
IC21
NC
14
7
+3.3V
R52
NC
TP16
R37
NC
TP15
TP7
C16M
FH1
nRST
PWRS
CP0
IC6
M/R
2
1
SUB
3 GND
4
VOUT
5
VCC
TERM
TP145
R145
10K
FIL6
1
2
3
DG
+3.3V +3.3V
R180
10K
10K
R181
10K
10K
J3
0
FLOCK
RA25
1K
1
2
3
4
2
3
4
5
6
7
8
9
7
8
9
10
Normal:0V
3.3V:OFF
0V:ON
3.3V
0V
16.384MHz
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