Panasonic KX-TDE200GR, Service Manual

Page: 105 / 132

105
KX-TDE200GR
13.18. Back/LED Board
KX-TDE
2
00
GR
BACK/LED BOARD
CT_NETREF
EC_AD[6] EC_AD[5]
nFAN_ALM
EC_AD[4]
CT_D[6]
Reserve-B32
EC_AD[3]
Reserve-B37 Reserve-A33
EC_AD[2]
CT_D[7]
Reserve-B33
EC_nSTOP
CT_D[3] CT_D[1]
EC_nCDET
TXD2
EC_nTRDY
CT_D[0]
EC_nINT
RXD2
EC_nPERR
Reserve-B31
EC_AD[15]
Reserve-A35
EC_AD[1]
Reserve-A31 Reserve-A32
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]
Reserve-B35
EC_AD[10]
EC_PAR
CT_D[4]
EC_AD[9]
EC_nFRAME
Reserve-B36
EC_AD[8]
CT_D[5]
EC_AD[7]
TXD2
POWTYPE[1]
Reserve-A33
AC_ALM
Reserve-A32 EC_AD[6] CT_FRAME EC_nCBE[0]
RING_SIN
CT_NETREF
RING_SYNC
CT_D[6] EC_nTRDY
+30V
CT_D[4] EC_CLK
Reserve-B37
CT_D[2]
Reserve-B36
CT_D[0]
RXD2
EC_nINT
Reserve-B33
EC_AD[14]
Reserve-B32
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]
Reserve-B31
EC_nPERR
EC_AD[9]
Reserve-A31
EC_AD[7]
EC_nSTOP
EC_AD[5]
nHALT
EC_AD[3]
RINGER
EC_AD[1]
+30V
EC_nRST
nFAN_ALM
EC_nCBE[1]
nBATT DIAG_R
RINGER_AC
POWTYPE[0]
Reserve-B35
DC_ALM Reserve-A35
EC_CLK
CT_C8
CT_FRAME
nLOS
Reserve-A35 Reserve-A33 EC_AD[12] DC_ALM
POWTYPE[1]
Reserve-B32 Reserve-B35
TXD2 EC_AD[14]
EC_AD[13]
POWTYPE[0]
Reserve-B33
EC_AD[0]
RINGER_AC
EC_nINT
EC_AD[15]
DIAG_R
RXD2
EC_AD[2] nBATT CT_D[0]
EC_nCDET
EC_nCBE[1]
Reserve-B36
EC_AD[4] nFAN_ALM CT_D[2]
CT_D[1]
EC_nRST
Reserve-B37
EC_AD[6] +30V EC_CLK
CT_D[3]
EC_AD[1]
CT_D[4] EC_AD[8]
+30V
CT_D[5]
RINGER EC_nTRDY EC_AD[10]
EC_AD[3]
CT_D[6]
RING_SYNC
EC_nFRAME nHALT CT_NETREF
EC_AD[5]
RING_SIN
EC_nCBE[0]
EC_nSTOP
CT_FRAME
EC_AD[7]
Reserve-A31 EC_AD[0]
CT_D[7]
EC_AD[9]
Reserve-A32
CT_C8
EC_nPERR
AC_ALM
Reserve-B31
EC_AD[11]
EC_PAR
EC_nPERR
EC_nTRDY EC_AD[14]
CT_C8
RINGER TXD2 Reserve-A32
CT_D[5]
Reserve-B35
EC_AD[9]
+30V
CT_D[7]
EC_AD[8] EC_AD[1] CT_D[4] Reserve-A31
EC_AD[1]
CT_D[3]
EC_CLK +30V EC_AD[6]
Reserve-B32 Reserve-B37
POWTYPE[1]
EC_nRST
DC_ALM
CT_D[1]
EC_AD[12] CT_D[2] Reserve-A33 nFAN_ALM Reserve-A35
EC_AD[7]
EC_AD[4]
nLOS
CT_FRAME
Reserve-B36
EC_nSTOP
EC_nCBE[1]
EC_nCBE[0]
EC_nCDET
CT_D[0]
RING_SIN
nBATT
EC_AD[5]
EC_AD[2] CT_NETREF
RXD2
nHALT DIAG_R EC_nFRAME
EC_AD[15]
EC_nINT
RING_SYNC RINGER_AC
EC_PAR
EC_AD[0]
EC_AD[11]
CT_D[6]
Reserve-B33 Reserve-B31
EC_AD[3]
POWTYPE[0]
AC_ALM
EC_AD[10]
EC_AD[13]
Reserve-B35
CT_D[5]
Reserve-A32 TXD2 RINGER DIAG_R
CT_C8
nHALT EC_AD[14]
RXD2
DC_ALM CT_NETREF
EC_nRST
EC_AD[2]
POWTYPE[1]
EC_AD[5]
Reserve-B37
nBATT
Reserve-B32
EC_AD[13]
RING_SIN
EC_AD[6] EC_AD[10] CT_D[0]
AC_ALM
POWTYPE[0] EC_nTRDY
EC_nCDET
EC_AD[3]
EC_nPERR
EC_nCBE[0]
Reserve-B31
EC_nCBE[1]
Reserve-B33
EC_nSTOP
CT_D[6]
Reserve-B36
EC_AD[11]
CT_FRAME EC_AD[0]
nLOS
+30V EC_AD[4] EC_CLK
EC_PAR
EC_AD[7]
CT_D[3]
RINGER_AC
Reserve-A35
EC_AD[1]
RING_SYNC
nFAN_ALM Reserve-A31 EC_nINT CT_D[4] Reserve-A33 EC_AD[2]
EC_AD[15]
CT_D[2] EC_AD[8] EC_nFRAME
CT_D[7]
EC_AD[12]
CT_D[1]
+30V
EC_AD[9]
nFAN_ALM DC_ALM POWERGND POWERGND
POWERGND
POWERGND
POWERGND
POWERGND
POWERGND
POWERGND
POWERGND
POWERGND
EC_nFRAME
POWTYPE[1] AC_ALM POWTYPE[0]
DIAG_T
DIAG_T
DIAG_T
DIAG_T
Reserve-B18 Reserve-B22 Reserve-B27
Reserve-B22 Reserve-B27 Reserve-B18
Reserve-B22 Reserve-B18 Reserve-B27
Reserve-B18 Reserve-B27 Reserve-B22
nBATT +30V +30V
R199
10K
R203
NC
R136
NC
R187
NC
R121
NC
R168
10K
R163
NC
R133
NC
GND
R182
10K
R115
NC
R169
10K
R164
NC
R139
NC
R194
NC
R176
NC
R165
10K
R140
NC
R130
NC
R190
10K
R128
NC
R183
NC
R119
NC
R158
NC
R159
NC
R134
NC
R137
NC
R191
10K
R110
10K
R184
NC
R113
NC
R150
NC
R153
10K
R124
NC
R131
NC
R192
10K
R185
NC
R147
10K
R161
NC
R125
NC
R132
NC
R193
10K
R135
NC
R180
10K
R126
NC
R172
NC
R162
NC
R107
10K
R102
10K
R129
NC
R181
10K
R108
10K
R167
10K
R156
10K
R104
NC
R123
NC
R188
NC
R174
NC
R157
10K
R103
NC
R189
10K
R152
10K
R127
NC
R175
NC
R171
NC
R101
10K
R195
NC
R109
10K
R170
10K
R151
10K
R118
NC
R117
NC
R196
NC
R177
10K
R148
10K
R112
NC
R105
10K
R197
NC
R122
NC
R178
10K
R120
NC
R149
NC
R160
NC
R141
NC
R111
NC
R198
NC
R116
NC
R179
10K
R114
NC
R166
10K
R154
10K
R144
NC
R106
10K
R186
NC
R173
NC
R155
10K
R138
NC
+40V
NC
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
R201
10K
R206
NC
R205
NC
R202
10K
R200
10K
R204
NC
+40V
CN102
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
CN103
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
+40V
CN104
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
+40V
+40V
C106
0.1
C107
0.1
C108
0.1
C109
0.1
C110
0.1
C111
0.1
C102
NC
C103
NC
C104
NC
C105
NC
+3.3V
+3.3V
+15V
+15V
+15V
+15V
+15VPT
+15VPT
+15VPT
+15VPT
+15VPT
+15VPT
+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
+3.3V
+3.3V
+3.3V
+3.3V
C101
2.2u
+40V
+15V