Read Panasonic KX-TDA620BX (serv.man8) Service Manual Supplement online
49
KX-TDA620 Series
(1)
KX-TDA620 Series BB-EXP BOARD SCHEMATIC DIAGRAM No.1 (2/2)
2:A1;2:H1;3:A1
+15V
+40V
+15VPT
+30V
+15VPT
+30V
+3.3V
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
+30V
+30V
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
+15V
+15VPT
+15VPT
+3.3V
+40V
+15VPT
+30V
+15VPT
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
+3.3V
+15V
+30V
+40V
C
E
B
A
D
F
5
6
7
8
nVM_CLK
EC_nTRDY
EC_AD[11]
CT_D[6]
EC_PAR
DIAG_T
RING_SYNC
EC_AD[13]
CT_NETREF
EC_AD[0]
RING_SIN
EC_AD[15]
LAN7
EC_nCBE[0]
EC_AD[2]
DC_ALM
CT_nFRAME
EC_nCDET
LAN8
EC_AD[1]
EC_AD[4]
POWTYPE[0]
LAN3
CT_D[1]
RINGER_AC
AC_ALM
EC_AD[6]
DIAG_R
CT_D[3]
nBATT
EC_AD[8]
EC_nCBE[1]
CT_D[5]
nFAN_ALM
EC_AD[10]
EC_nRST
CT_D[7]
EC_AD[1]
CT_C8
nLOS
RINGER
EC_AD[12]
EC_AD[3]
POWERGND
LAN4
POWERGND
EC_AD[14]
LAN5
nHALT
LAN6
POWTYPE[1]
EC_AD[5]
EC_nINT
nVM_DHW
nVM_UHW
EC_nSTOP
EC_nFRAME
CT_D[0]
EC_AD[7]
Reserved
CT_D[2]
LAN9
EC_AD[9]
EC_CLK
nVM_nFH
EC_nPERR
CT_D[4]
RING_SYNC
EC_nCBE[1]
nVM_nFH
EC_AD[8]
EC_CLK
nBATT
EC_AD[9]
LAN9
POWERGND
CT_D[2]
DIAG_T
CT_D[3]
EC_PAR
DIAG_R
CT_D[6]
EC_AD[6]
EC_AD[11]
AC_ALM
EC_nTRDY
Reserved
RINGER_AC
EC_AD[7]
CT_D[1]
CT_D[0]
LAN3
LAN4
EC_nFRAME
POWTYPE[0]
POWERGND
EC_nSTOP
EC_AD[4]
EC_AD[3]
nVM_CLK
EC_AD[2]
nVM_UHW
EC_AD[12]
LAN8
EC_nCDET
nVM_DHW
CT_nFRAME
RINGER
EC_nINT
DC_ALM
nLOS
EC_AD[5]
EC_AD[2]
EC_nCBE[0]
CT_C8
POWTYPE[1]
LAN7
EC_AD[1]
LAN6
EC_AD[15]
CT_D[7]
nHALT
RING_SIN
EC_nRST
EC_AD[0]
LAN5
EC_AD[10]
CT_NETREF
EC_AD[14]
nFAN_ALM
CT_D[4]
EC_AD[13]
CT_D[5]
EC_nPERR
POWERGND
nVM_DHW
Reserved
EC_AD[13]
EC_nTRDY
CT_D[4]
AC_ALM
nFAN_ALM
EC_nCDET
EC_AD[14]
EC_AD[11]
LAN8
CT_NETREF
LAN9
EC_AD[6]
EC_AD[12]
EC_AD[10]
EC_AD[9]
CT_D[6]
nVM_UHW
LAN5
nBATT
DIAG_R
EC_CLK
EC_AD[3]
EC_AD[0]
EC_PAR
EC_AD[8]
nVM_CLK
EC_nRST
nVM_nFH
CT_D[3]
EC_AD[3]
RING_SIN
EC_nCBE[1]
EC_AD[4]
nHALT
DIAG_T
CT_D[7]
EC_nSTOP
POWERGND
EC_AD[15]
POWTYPE[0]
LAN6
EC_nFRAME
EC_AD[1]
LAN4
LAN7
LAN3
POWTYPE[1]
CT_D[0]
CT_C8
EC_nCBE[0]
RING_SYNC
EC_AD[2]
EC_AD[5]
nLOS
DC_ALM
EC_nINT
CT_D[1]
EC_nPERR
CT_D[2]
RINGER
EC_AD[7]
CT_D[5]
CT_nFRAME
RINGER_AC
LAN1
LAN2
LAN1
LAN2
LAN1
LAN2
connector 1 to 2
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