Read Panasonic KX-TDA0490XJ / KX-TDA0490X Service Manual online
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KX-TDA0490XJ/KX-TDA0490X MAIN No.6 (4/4)
DG
TP755
R633
150
TP757
+3.3V
Q603
50V/100mA/200mW
LED_DATA
2:2D
DATA
LED600
Green
1
2
Q602
50V/100mA/200mW
R634
150
LED_LINK
2:2D
DG
LED601
Green
1
2
+3.3V
LINK
+3.3V
+3.3V
R625
NC
R628
NC
90
97
102
89
110
94
106
115
119
105
100
109
117
120
92
108
95
101
99
104
103
113
116
91
98
107
112
114
93
96
111
118
125
127
126
131
136
137
134
124
122
132
135
138
123
121
139
128
133
140
129
130
DG
DG
nVoIP_RST
2:2F;4:5H
ASIC_P0[0]
2:5D
ASIC_P0[1]
2:5D
MD4/nCE2B
4:12H
ASIC_MODE[5]
2:9F
ASIC_MODE[1]
2:9F
ASIC_MODE[3]
2:9F
nRDY
4:5E
22k
R600
+3.3V
nINT_LAN
4:12D
ASIC_MODE[0]
2:9F
ASIC_MODE[2]
2:9F
ASIC_MODE[4]
2:9F
nWE1_H
4:3E
LUHW1
2:1B
nCS6/nCE1B
4:5E;3D
nWE0_H
3:1B;4:3E;5:1E
LDHW1
2:1B
HW_FH
2:1B;3:11E
LUHW7
2:1B;3:11E
HW_CLK
2:1B;3:11E
LDHW
2:1B;3:11E
CKIO_LAN
4:3F
nBACK_H
4:5G;5G
nRD_H
3:1B;4:3E;5:1E
nBREQ_M
3G
nOPT_INT
4:12D
0
R725
0
R724
TP81A
nBREQ_H
4:5G;5G
TP880
0
R732
TP882
R741
NC
R743
NC
R745
NC
R740
NC
R742
NC
R744
NC
R747
NC
R746
NC
DG
DG
DG
DG
OPT_nRST
3:7B;4:4D
TP701
TP702
RD/nWR
TP703
nWE1_H
nWE0_H
nBACK_H
nRD_H
nBREQ_H
nBREQ_M
nOPT_INT
MD3/nCE2A
4:12H
nCS5/nCE1A
4:5E;5D
88
81
82
87
85
86
84
83
LD_H[15]
LD_H[14]
LD_H[13]
LD_H[12]
LD_H[11]
LD_H[9]
LD_H[8]
LD_H[7]
LD_H[6]
LD_H[10]
LD_H[4]
LD_H[5]
57
62
70
66
75
79
65
60
69
77
80
68
61
59
64
63
73
76
58
67
72
74
71
78
LD_H[3]
LD_H[2]
LED ON : 3.3V
LED OFF : 0V
LED OFF : 0V
67
KX-
TDA0490XJ
/
KX-
TDA0490X
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