Panasonic KX-TDA0284XJ / KX-TDA0284CE (serv.man4) Service Manual / Supplement ▷ View online
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KX-TDA0284XJ / KX-TDA0284CE
11
KX-TDA0284XJ / KX-TDA0284CE
12
KX-TDA0284XJ / KX-TDA0284CE
13
KX-TDA0284XJ / KX-TDA0284CE
1.6.
BLOCK DIAGRAM
Change from the Original Service Manual Section 6
TX+
TX
-
RX+
RX
-
40V
GND
SX
SR
BRI
-I
C
(PSB21150)
+3.3V
nCS_BRI[0]
+3.3V
MODE_0
BRI_RST_0
7.68MHz
nINT_BRI
RJ45
Line #2
GND2
40V
Line Interf
ace Bloc
k #1
FG
USA:On
Euro:Off
USA:Off
Euro:On
DC_CONT[
DHW0(2.048Mbps)
UHW0(2.048Mbps)
Selector
(8
→
1)
CLK
OUT_0
CLK
OUT_1
CLK
OUT_2
CLK
OUT_3
nCS[0]
LD[7:0]
LA[12:0]
nRD
.nWR
nCSI
P1[7:0]
P5[7:0]
P3[7:0]
P4[7:0]
Status
Indication x 4
J
umper
P0[7:0]
1536kHz
CLK Select
eSAMSON(ASIC)
P2[6:4]
Buff
er
Line #3
Line #4
EC_b
us
28
H100 b
u
s
11
CT_LOS
Local Reset
nRESET
OSC
16.384MHz
JT
A
G
+3.3V
EC_CLK
EC_AD[15:0]
EC_BE[1:0]
EC_FRAME
EC_TRD
Y
EC_ST
OP
EC_INT
EC_P
AR
EC_PERR
EC_nRST
EC_IDSEL
EC_DET
LDHW[1:0]
LUHW[1:0]
CP[7:0]
HW_CLK0
L_NETREF
CT_NETRE
nCT_FRAME_A
CT_CLK_A
CT_D[7:0]
P2[7]
nRESET
TCK
TDI
TDO
TMS
TRST
PLLCLK
P2[3]
P2[2]
LnRST
nIRQ[0]
nW
AIT
nBREQ
nBA
CK
nCS_[0]_S
D7-0
A12-0
nRD_nWR
nCS1
LED
+3.3V
ALM(Red)
nRST
nHAL
T
LPR
SH-1
(SH7020)
f=12.288MHz
nRD
nWR
nLBS
nCS0
nCS1
nCS2
nCS3
nRES
nIRQ1
nW
AIT
nBREQ
nBA
CK
nIRQ0
PB[0]
12.288MHz
nIRQ2
PB[3]
RXD
TXD
PA[11]
PB[10]
D15-0
A19-0
nINT_BRI
RY
n
B
Y
RS-232C
nCS6
+3.3V
D7-0
A7-0
NWR nRD
nINT_BRI
BRI_RST_1
CLK
OUT_1
nINT_BRI
BRI_RST_2
CLK
OUT_2
nINT_BRI
BRI_RST_3
CLK
OUT_3
CP[0]
CLK(4.096MHz)
CLK
OUT_0
(1536kHz)
D15-0
A18-1
nWR,nRD
nCS0
D15-0
A18-1
nWR,nRD ,nLBS
,A0
nCS2
+3.3V
RY
n
B
Y
nRESET
SRAM
4Mbit
(256k
16)
Flash
4Mbit
(256k
16)
+3.3V
Decoder
nCS_BRI[3-0]
BRI_RST_7-0
MODE_7-0
DC_cont_7-0
DC/DCCon
ve
rter
+15V
40V
GND
GND2
nINT_BRI
nCS_DMA
T
ransf
or
mer
T
ransf
or
mer
LA10-8
PCM IN
PCM OUT
FSC
DCL
BCL/SCLK
INT
MODE0
MODE1
+3.3V
RT
S
CTS
nIRQ[1]
nCS_DMA
Surge
Absorber
Sur
Absorber
(Green)
(Red)
BRI Card Bloc
k Diag
ra
m
KX-TD
A0284XJ/KX-TD
A0284CE CARD BLOCK DIA
GRAM
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