Read Panasonic KX-TDA0168XJ / KX-TDA0168X Service Manual online
6 BLOCK DIAGRAM
FSK/DTMF
Generator
IC2
FPGA
IC1
+3.3V
CID Presense
A0-4
D0-7
nCS
nRD
nWR
nRST
CLK(4M)
JP
P10-P17
+5V
LUHW
LDHW
CP0
FH
C-BUS-A
FSK/DTMF
Generator
C-BUS-B
CODEC
IC4
C_CLK_A
C_SD_A
C_RD_A
C_nCS_A
C_nREQ_A
C_CLK_B
C_SD_B
C_RD_B
C_nCS_B
C_nREQ_B
A0-A4
D0-A7
nCS
nRD
nWR
nRES
C4M
MS_CP0
FH
P00
LAW
CP0
nPD_A
P01
MS_CP1
CP1
HWCK
HWCK_O
nPD_B
P02
SERCK
COMDATA
REPDATA
CSN
IRQN
TONEFSK
SERCK
COMDATA
REP DATA
CSN
IRQN
TONEFSK
TI-
TI+
TG
FEED
BACK
BACK
VAG
DT
/PDI
MCKL
BCLKR
BCLKT
FSR
FST
LUHW
LAW
CP0
nPD_A
CP1
HWCK
nPD_B
Mu/A
TI-
TI+
TG
FEED
BACK
BACK
VAG
DT
/PDI
MCKL
BCLKR
BCLKT
FSR
FST
LUHW
LAW
HWCK
Mu/A
DC/DC
Convertor
+2.5V
SLC card connector
CODEC
X'TAL
3.57M
X'TAL
3.57M
CLKSEL
+3.3V
KX-TDA0168XJ/KX-TDA0168X BLOCK DIAGRAM
IC5
IC3
KX
-T
-T
DA0
168X
J
/
KX
-T
-T
DA0
168X
12
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