Read Panasonic KX-TDA6178X / KX-TDA6178XJ (serv.man3) Service Manual Supplement online
3
KX-TDA6178X / KX-TDA6178XJ
1.3.
Technical Descriptions
Change from the Original Service Manual Section 5
1.3.1.
Block Diagram
ECSLC24 BLOCK DIAGRAM
PLD
TACKER/
SAMSON
Backboard
BB Connector
OSC16.3 8
4 M
OSC
12.288M
EC-Bus
CT-Bus
15V
Card_ID
FLASH
(512KB)
SRAM
(128KB)
PCM-HW
Serge
PFT
Jack
T/R
PFT
Relay
T/R
PFT
Jack
Jack
SLIC/CODEC
2ch
Port1
SCI(7pin)
DC/DC
3.3V
FPGA_INT
BELL_SYNC
nHALT
nIRQ1
BELL_SYNC
FPGA_INT
Diag T/R
nHALT
40V
Si32261
Diag
Diag T/R
nCS0
nCS1
nCS2
nCS3
nCS[3: 0]
nIRQ1
CPU
nIRQ0
nIRQ1
nIRQ3
Port4
Port3
Port2
Port6
Port5
PFT
Relay
Port7
8
Port 23 24
Port 21 22
Port 19 20
Port 17 18
Port 15 16
Port 13 14
Port 11 12
Port 9
10
Si32261
Si32261
SPI
C_CS[0:11]
C_INT[0:11]
nIRQ2
Local
Control
Bus
Control
Bus
C_CS[0]
C_CS[1]
C_CS[2]
C _INT[0]
C_INT[1]
C_INT[2]
C_INT[3]
C_CS[3]
PCM_HW
SPI
C_INT[4]
C_CS[4]
PCM_HW
SPI
C_INT[5]
C_CS[5]
PCM_HW
SPI
C_INT[6]
C_CS[6]
PCM_HW
SPI
C_INT[7]
C_CS[7]
PCM_HW
SPI
C_INT[8]
C_CS[8]
PCM_HW
SPI
C_INT[9]
C_CS[9]
PCM_HW
SPI
C_INT[10]
C_CS[10]
PCM_HW
SPI
C_INT[11]
C_CS[11]
PCM_HW
SPI
Port8
Port7
Port10
Port9
Port12
Port11
Port14
Port13
Port16
Port15
Port18
Port17
Port20
Port19
Port22
Port21
Port24
Port23
Backboard
Con.
OSC32M
Program
connector
Note1.Group of Signal lines
Local Control
Local Control
Bus
:
connect to PLD
ADR[4:0],DATA[15:0], nWE , nR D ,nWAIT , CKIO
PCM - HW :
HWCLK
HWCLK
,HWFH
,DHW
,UHW
SPI :
SCLK
SCLK
,DOUT
,DIN
LED x 2
40V
Serge
DCDC
DCDC
40V
Relay
control
circuit
PR_SET
PF_RELAY
T/R
T/R
PFT
Relay
PFT
Relay
Serge
DCDC
Serge
DCDC
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