KX-TDA0170 BLOCK DIAGRAM
DC F40V)
Serge
EMC
OPEAMP
PFT Relay
Diag Relay
Bell Relay
DC Feeding(GND)
Hook-Det
&
Ringtrip-Det
Bell/Diag
Relay Driver
Same as "Port#3"
Port#5
SLT I/F
TA
RA
Same as "Port#1".
(No DIAG/PFT)
Port#3
Same as "Port#3".
Port#4
S
ame as "Port#3"
Port#6
EC_CLK
nSYSTE_RST
EC_AD[15:0]
EC_BE[1:0]
EC_PAR
EC_FRAME
EC_TRDY
EC_STOP
EC_IDSEL
EC_PERR
EC_INT
CT_C8_A
CT_FRAME_A
CT_NETREF
CT_D[7:0]
TXB[7:0]
TXA[7:0]
RX[7:0]
DIN
DOUT
C_CS[1:0]
LA[12:0]
LD[7:0]
nRD
nWR
nCSI
FH
Diag-Tip, Diag-Ring
nHOOK1
BELL1
DIAG1
On-Board
Ringer
+40V
ASIC
Ringer (75Vrms)
+15V
+5V
+3.3V
Driver
&
Receiver
Serge
EMC
Port#1
D1A
D2A
DR1
DT1A
DT1B
S
ame as "Port#3"
Port#7
S
ame as "Port#3"
Port#8
24
PT I/F
CODEC
CODEC
Port#2
Same as "Port#1".
(No DIAG)
TOE[7:0]
P27
CPU
Flash
ROM
RAM
A[22:0]
D[15:0]
nRD
nWR
nWR
nRD
nRD
nCS
nCS
A[19:0]
A[16:0]
D[15:0]
D[7:0]
SH7020
XTAL
12.288MHz
nWR
nCS[2:0]
PEB
2466
PEB
2466
STD0
LD[3:0]
DCLK
FH, HWCLK, DHW, UHW, CP0
REC
1/4
nTOE0
BOARD
ID
3
nIRQ
L_nRST
nBUSY nRESET
PFT
Relay Driver
BREAK
HWCLK (4M)
LDHW0
LUHW0
VREF+
VREF-
VREF
CONT
P2 [5:4]
RESET
IC
nRESET
Power
Supply
BELL_SYNC
nRESET
nIRQ4
nIRQ2
nIRQ1
nIRQ0
nWAIT
JUMPER
MODE[5:0]
nHALT
nHALT
XTAL
16.384
MHz
PLLCLK
PFT
Jack
nBREQ
nBACK
nBREQ
nBACK
2M
8M
BELL
nWAIT
nCS1
nCS0
nCS2
LATCH
nALE
A[0:4]
A[13:17]
DRA
DRB
DRA
DRB
DXA
DXB
DXA
DXB
PCLK
MCLK
PCLK
MCLK
CS
CS
C_CS0
C_CS1
DOUT
DIN
DCLK
DOUT
DIN
DCLK
JUMPER
P0[7:0]
BELL_SYNC
+40V
P22
P23
+3.3V
DRIVER
DRIVER
nRES
nRES
nRES
LED_RED
LED_GREEN
nCS2
nCS_DMA
TOE [7:0]
POWER SEL
Current Limitter
+40V
+15VPT
PT_CUR0
PT_POW0
PT_POW [7:0]
P5 [7:0]
P26
NMI
nWDTOVF
nRES
nRES
nCS1
nRD
nWR
nRES
D[7:0]
A[4:0]
EXT CID
CARD
+3.3V
(OPTION)
OPT
CP0
PFRLY
PFRLY
nCS0
FF
D[7:0]
PT_CUR[7:0]
+15VPT
P20
RINGER
nWR
Pulse
Transformer
CP0
HWCLK (2M)
UHW1
P21
BELL CNT
P23
nIRQ3
FH
Backoard
Содержание KX-TDA0170
Страница 13: ...6 TROUBLESHOOTING GUIDE 13 ...
Страница 14: ...14 ...
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Страница 21: ...7 BLOCK DIAGRAM 21 ...
Страница 39: ...11 TERMINAL GUIDE OF ICS TRANSISTORS AND DIODES 12 CABINET AND ELECTRICAL PARTS LOCATION 39 ...
Страница 40: ...13 ACCESSORIES AND PACKING MATERIALS 40 ...
Страница 41: ...41 ...
Страница 52: ...ZNR52E D4EAB220A005 VARISTOR 52 ...