KX-TDA0290CJ, KX-TDA0290CE (serv.man3) - Panasonic PBX Service Manual Supplement (repair manual). Page 26

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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
TP712
TP343
TP346
TP349
TP340
TP312
TP318
TP310
TP316
TP308
TP314
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
1
NC1
2
NC2
3
VSS3
4
DVDD4
5 A10
7 A11
8 A12
9 A13
10 A14
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
105 A16
106
VSS106
107 A17
108 A18
109 A19
110
NC110
111
VSS111
112
DVDD112
113 D6
114 D7
115 D8
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
142
CVDD142
143
NC143
144
NC144
R399
NC
C343
NC
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