Read Panasonic KX-TDA6381X / KX-TDA6381SX Service Manual online
6
KX-TDA6381X/KX-TDA6381SX
4 Technical Descriptions
4.1.
Block Diagram
4.1.1.
Block Diagram of Main Board
BACK
B
O
A
RD
L_NRST
W R
RD
MODE[5:0]
P1[7:0]
nRESET
PLLCLK
DIN
DOUT
DOUT
DCLK
C_CS[0]
FH
HW CLK[0]
LDHW [0]
LUHW [0]
EC_CLK
EC_AD[15:0]
EC_PAR
EC_FRAME
EC_TRDY
EC_STOP
EC_BE[1:0]
EC_PERR
EC_INT
EC_IDSEL
EC_NRST
EC_AD[15:0]
EC_PAR
EC_FRAME
EC_TRDY
EC_STOP
EC_BE[1:0]
EC_PERR
EC_INT
EC_IDSEL
EC_NRST
CT_NETREF
CT_FRAME_A
CT_C8_A
CT_D[7:0]
CT_FRAME_A
CT_C8_A
CT_D[7:0]
A[4:0]
D[7:0]
ASIC
(CIDA
䠅
nRD,nW R,nRST
JUMPER
RESET
IC
XTAL
16.384
MHz
JUMPER
C_CS[0]
DHW [0]
ASIC
(TACKER2)
UHW [0]
CLK
FH
DOUT
DXA
DXB
PCLK
MCLK
DIN
DCLK
DRA
DRB
CODEC
PEB
2466
2466
FSC
RESET
EC_DET
CT_CB_A
DEC_NCSI
NRD
NRST
NW R
nCS1
DRIVER
DRIVER
P22
P23
+3.3V
nCPCDET[0]
SHUNT[0]
SHUNT[0]
OP AMP
Rev&Bell
&Shunt
Detector
Port A
Transformer
DIAL &
DC Loop &
CPC
Detector
nBELDET[0]
nLOOP[0]
Serge
EMC
nREVDET[0]
OP AMP
Rev&Bell
&Shunt
Detector
Port B
Transformer
DIAL &
DC Loop &
CPC
Detector
nBELDET[
䠍]
nLOOP[
䠍]
Serge
EMC
nREVDET[
䠍]
OP AMP
Rev&Bell
&Shunt
Detector
Port C
Transformer
DIAL &
DC Loop &
CPC
Detector
nBELDET[
䠎]
nLOOP[
䠎]
Serge
EMC
nREVDET[
䠎]
OP AMP
Rev&Bell
&Shunt
Detector
Port D
Transformer
DIAL &
DC Loop &
CPC
Detector
nBELDET[
䠏]
nLOOP[
䠏]
Serge
EMC
nREVDET[
䠏]
nCPCDET[
䠍]
SHUNT[
䠍]
nCPCDET[
䠎]
SHUNT[
䠎]
nCPCDET[
䠏]
SHUNT[
䠏]
+5V
+3.3V
+15VPT
+15V
+40V
DC/DC
DC/DC
+2.5V
Series
Reg
DXA
DXB
PCLK
DXB
PCLK
MCLK
DIN
DCLK
CS
DCLK
CS
DRA
DRB
DRB
CODEC
PEB
2466
2466
FSC
RESET
nCPCDET[
䠐]
SHUNT[
䠐]
OP AMP
Rev&Bell
&Shunt
Detector
Port E
Transformer
DIAL &
DC Loop &
CPC
Detector
nBELDET[
䠐]
nLOOP[
䠐]
Serge
EMC
nREVDET[
䠐]
OP AMP
Rev&Bell
&Shunt
Detector
Port F
Transformer
DIAL &
DC Loop &
CPC
Detector
nBELDET[
䠑]
nLOOP[
䠑]
Serge
EMC
nREVDET[
䠑]
OP AMP
Rev&Bell
&Shunt
Detector
Port G
Transformer
DIAL &
DC Loop &
CPC
Detector
nBELDET[
䠒]
nLOOP[
䠒]
Serge
EMC
nREVDET[
䠒]
OP AMP
Rev&Bell
&Shunt
Detector
Port H
Transformer
DIAL &
DC Loop &
CPC
Detector
nBELDET[
䠓]
nLOOP[
䠓]
Serge
EMC
nREVDET[
䠓]
nCPCDET[
䠑]
SHUNT[
䠑]
nCPCDET[
䠒]
SHUNT[
䠒]
nCPCDET[
䠓]
SHUNT[
䠓]
nRES
DIN
FH
C_CS[1]
DHW [0]
UHW [0]
CLK
Connect to
ASIC(TACKER2))
C
onnector
to
S
S
u
b
boar
d
(P
or
t
or
t
I㹼
P)
P)
T/R[0]
T/R[1]
T/R[2]
T/R[3]
T/R[4]
T/R[5]
T/R[6]
T/R[7]
C_CS[2:3]
4M_CLK
+15V
+5V
+3.3V
+2.5V
T/R[8~15]
+15V
A[21:0]
D[15:0]
nRD
nW R
XTAL
12.288MHz
12.288MHz
nCS[2:0]
BOARD
ID
ID
3
nRESET
nIRQ1
nIRQ0
nIRQ0
nBREQ
nBACK
nBACK
NMI
nW DTOVF
FlashROM
RAM
nW R
nRD
nRD
nCS
nCS
A[18:0]
A[17:0]
D[15:0]
D[7:0]
nW R
nRESET
D[7:0]
A[5:0]
nRD,nW R,nRST
A[4:0]
D[7:0]
ASIC
(CIDA
䠅
DEC_AD
NRST
NW R
A[12:0]
D[7:0]
nBREQ
CPU
nBACK
nIRQ
nCSI
nHALT
LED Green
LED Red
nRST
CSI
LD
LA
HW _CLK[1]
C_CS[2-3]
nRES
DIN
DOUT
DCLK
nCS_CID[1]
CS[1]
nCS1
nRD,nW R,nRST
nCS_CID[0]
nRD,nW R,nRST
DEC_NOCS1
NCS0
nRD,nW R,nRST
nRD,nW R,nRST
nCS0
nRD,nW R
nCS2
DOUT
DOUT
DCLK
DCLK
A[5]
T/R[3:0]
T/R[7:4]
Not
Mounted
Not
Mounted
KX-TDA6381
Main Board
Brock Diagram
Main Board
Brock Diagram
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