Read Panasonic KX-TDA620BX (serv.man8) Service Manual Supplement online
48
KX-TDA620 Series
12.9. BB-EXP Board No.1
KX-TDA620 Series BB-EXP BOARD SCHEMATIC DIAGRAM No.1 (1/2)
(1)
NC
R199
NC
R203
NC
R136
NC
R187
NC
R121
NC
R168
NC
R163
NC
R133
GND
NC
R182
NC
R115
NC
R169
NC
R164
NC
R139
NC
R194
NC
R176
NC
R165
NC
R140
NC
R130
NC
R190
NC
R128
NC
R183
NC
R119
NC
R158
NC
R159
NC
R134
NC
R137
NC
R191
NC
R110
NC
R184
NC
R113
NC
R150
NC
R153
NC
R124
NC
R131
R192
NC
NC
R185
NC
R147
NC
R161
NC
R125
NC
R132
NC
R193
NC
R135
NC
R180
NC
R126
NC
R172
NC
R162
NC
R107
NC
R102
NC
R129
NC
R181
NC
R108
NC
R167
NC
R156
NC
R104
NC
R123
NC
R188
NC
R174
NC
R157
NC
R103
NC
R189
NC
R152
NC
R127
NC
R175
NC
R171
NC
R101
NC
R195
NC
R109
NC
R170
NC
R151
NC
R118
NC
R117
NC
R196
NC
R177
NC
R148
NC
R112
NC
R105
NC
R197
NC
R122
NC
R178
NC
R120
NC
R149
NC
R160
NC
R141
NC
R111
NC
R198
NC
R116
NC
R179
NC
R114
NC
R166
NC
R154
NC
R144
NC
R106
NC
R186
NC
R173
NC
R155
NC
R138
+40V
CN101
A2
B2
A3
B3
A4
B4
A5
B5
A6
B6
A7
B7
A8
B8
A9
B9
A10
B10
A11
B11
A12
B12
A13
B13
A14
B14
A15
B15
A16
B16
A17
B17
A18
B18
A19
B19
A20
B20
A21
B21
A22
B22
A23
B23
A24
B24
A25
B25
A26
B26
A27
B27
A28
B28
A29
B29
A30
B30
A31
B31
A32
B32
A33
B33
A34
B34
A35
B35
A36
B36
A37
B37
A38
B38
A39
B39
A40
B40
A41
B41
A42
B42
A43
B43
A44
B44
A45
B45
A1
B1
NC
R201
NC
R206
NC
R205
NC
R202
NC
R200
NC
R204
+40V
C102
NC
C103
NC
C104
NC
C105
NC
+3.3V
+3.3V
+15V
+15VPT
+15VPT
CN100
A2
B2
A3
B3
A4
B4
A5
B5
A6
B6
A7
B7
A8
B8
A9
B9
A10
B10
A11
B11
A12
B12
A13
B13
A14
B14
A15
B15
A16
B16
A17
B17
A18
B18
A19
B19
A20
B20
A21
B21
A22
B22
A1
B1
+15VPT
+15VPT
+3.3V
+3.3V
+40V
+15V
+15V
+30V
+30V
+30V
+30V
C
E
B
A
D
F
3
4
5
2
1
CT_NETREF
EC_AD[6]
EC_AD[5]
nFAN_ALM
EC_AD[4]
CT_D[6]
LAN4
EC_AD[3]
LAN9
LAN5
EC_AD[2]
CT_D[7]
LAN6
EC_nSTOP
CT_D[3]
CT_D[1]
EC_nCDET
nVM_DHW
EC_nTRDY
CT_D[0]
EC_nINT
nVM_UHW
EC_nPERR
LAN2
EC_AD[15]
LAN7
EC_AD[1]
LAN1
LAN3
EC_AD[14]
EC_AD[0]
EC_AD[13]
EC_nRST
CT_D[2]
EC_AD[12]
EC_nCBE[1]
EC_AD[11]
EC_nCBE[0]
LAN8
EC_AD[10]
EC_PAR
CT_D[4]
EC_AD[9]
EC_nFRAME
Reserved
EC_AD[8]
CT_D[5]
EC_AD[7]
nVM_DHW
POWTYPE[1]
LAN5
AC_ALM
LAN3
EC_AD[0]
CT_nFRAME
EC_nCBE[0]
RING_SIN
CT_NETREF
RING_SYNC
CT_D[6]
EC_nTRDY
CT_D[4]
EC_CLK
LAN9
CT_D[2]
Reserved
CT_D[0]
nVM_UHW
EC_nINT
LAN6
EC_AD[14]
LAN4
EC_AD[12]
nLOS
CT_C8
CT_D[7]
EC_AD[10]
CT_D[5]
EC_AD[8]
CT_D[3]
EC_AD[6]
CT_D[1]
EC_AD[4]
EC_nCDET
EC_AD[2]
EC_AD[15]
EC_AD[0]
EC_AD[13]
EC_PAR
EC_AD[11]
EC_nPERR
EC_AD[9]
EC_AD[7]
EC_nSTOP
EC_AD[5]
nHALT
EC_AD[3]
RINGER
EC_AD[1]
EC_nRST
nFAN_ALM
EC_nCBE[1]
nBATT
DIAG_R
RINGER_AC
POWTYPE[0]
LAN8
DC_ALM
LAN7
EC_CLK
CT_C8
CT_nFRAME
nFAN_ALM
DC_ALM
POWERGND
POWERGND
POWERGND
EC_nFRAME
POWTYPE[1]
AC_ALM
POWTYPE[0]
DIAG_T
nVM_CLK
nVM_nFH
nBATT
POWERGND
LAN1
LAN2
Note
All chip parts pads and number silks
don’t exist on the bord.
don’t exist on the bord.
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