Read Panasonic KX-TDA620BX (serv.man8) Service Manual Supplement online
51
KX-TDA620 Series
(1)
KX-TDA620 Series BB-EXPÂ BOARD SCHEMATIC DIAGRAM No.2 (2/2)
1:H1;A1;3:A1
+15V
+40V
CN108
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
+30V
+15VPT
+30V
+15VPT
+15V
+40V
CN109
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
+30V
+15VPT
+30V
+15VPT
+15V
+40V
CN110
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
+30V
+15VPT
+30V
+15VPT
5
6
7
8
nVM_nFH
EC_AD[1]
EC_AD[8]
EC_AD[6]
LAN8
LAN3
CT_D[7]
EC_nCBE[1]
nVM_UHW
CT_D[3]
nHALT
POWTYPE[0]
AC_ALM
EC_nTRDY
EC_AD[7]
DC_ALM
EC_AD[15]
EC_nPERR
POWERGND
EC_AD[13]
RING_SIN
nLOS
nFAN_ALM
CT_D[4]
EC_AD[4]
RING_SYNC
nVM_DHW
EC_AD[9]
LAN7
EC_PAR
EC_nRST
EC_AD[0]
EC_nINT
EC_CLK
CT_nFRAME
CT_D[6]
CT_C8
POWERGND
CT_NETREF
EC_AD[11]
CT_D[0]
EC_nSTOP
EC_AD[5]
Reserved
LAN6
EC_AD[10]
EC_AD[14]
nBATT
RINGER
RINGER_AC
POWTYPE[1]
LAN9
EC_nFRAME
LAN5
CT_D[5]
LAN4
EC_AD[3]
EC_AD[7]
DIAG_T
EC_nCDET
DIAG_R
CT_D[2]
EC_AD[2]
CT_D[1]
EC_nCBE[0]
nVM_CLK
EC_AD[12]
nVM_nFH
EC_AD[1]
EC_AD[8]
EC_AD[6]
LAN8
LAN3
CT_D[7]
EC_nCBE[1]
nVM_UHW
CT_D[3]
nHALT
POWTYPE[0]
AC_ALM
EC_nTRDY
EC_AD[8]
DC_ALM
EC_AD[15]
EC_nPERR
POWERGND
EC_AD[13]
RING_SIN
nLOS
nFAN_ALM
CT_D[4]
EC_AD[4]
RING_SYNC
nVM_DHW
EC_AD[9]
LAN7
EC_PAR
EC_nRST
EC_AD[0]
EC_nIN
T
EC_CLK
CT_nFRAME
CT_D[6]
CT_C8
POWERGND
CT_NETREF
EC_AD[11]
CT_D[0]
EC_nSTOP
EC_AD[5]
Reserved
LAN6
EC_AD[10]
EC_AD[14]
nBATT
RINGER
RINGER_AC
POWTYPE[1]
LAN9
EC_nFRAME
LAN5
CT_D[5]
LAN4
EC_AD[3]
EC_AD[7]
DIAG_T
EC_nCDET
DIAG_R
CT_D[2]
EC_AD[2]
CT_D[1]
EC_nCBE[0]
nVM_CLK
EC_AD[12]
nVM_nFH
EC_AD[1]
EC_AD[8]
EC_AD[6]
LAN8
LAN3
CT_D[7]
EC_nCBE[1]
nVM_UHW
CT_D[3]
nHALT
POWTYPE[0]
AC_ALM
EC_nTRDY
EC_AD[9]
DC_ALM
EC_AD[15]
EC_nPERR
POWERGND
EC_AD[13]
RING_SIN
nLOS
nFAN_ALM
CT_D[4]
EC_AD[4]
RING_SYNC
nVM_DHW
EC_AD[9]
LAN7
EC_PAR
EC_nRST
EC_AD[0]
EC_nINT
EC_CLK
CT_nFRAME
CT_D[6]
CT_C8
POWERGND
CT_NETREF
EC_AD[11]
CT_D[0]
EC_nSTOP
EC_AD[5]
Reserved
LAN6
EC_AD[10]
EC_AD[14]
nBATT
RINGER
RINGER_AC
POWTYPE[1]
LAN9
EC_nFRAME
LAN5
CT_D[5]
LAN4
EC_AD[3]
EC_AD[7]
DIAG_T
EC_nCDET
DIAG_R
CT_D[2]
EC_AD[2]
CT_D[1]
EC_nCBE[0]
nVM_CLK
EC_AD[12]
LAN1
LAN2
LAN1
LAN2
LAN1
LAN2
C
E
B
A
D
F
connector 2 to 3
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