Read Panasonic KX-TDA3280XJ / KX-TDA3280CE (serv.man2) Service Manual Supplement online
1.4. IC1
Change from the Original Service Manual KX-TDA3280XJ, KXTDA3280CE Order No. KMS0401905C8, page 27.
Signal Name
I/O
Pin No.
Description
LD[0]-[7]
I/O
11-18
Data Bus to Main Card
LA[0],[8]-[10]
I
28-30, 32
Address Bus
nRD
I
20
Read Signal
nWR
I
22
Write Signal
nRESET
I
27
Reset Signal
nCS0
I
25
Chip Select Signal
CLKOUT[0]
I
70
Line Reference Clock input0
CLKOUT[1]
I
6
Line Reference Clock input1
CT_NETREF
O
42
Line Reference Clock output
nCS_BRI[0]
O
65
Chip Select Signal to BRI Port1
nCS_BRI[1]
O
76
Chip Select Signal to BRI Port2
ID[0]-[7]
I/O
81, 82, 85-87, 89-91
Data Bus to BRI IC
-
I
92-97, 99, 100
General Ports
BRI_RST[0],[1]
O
66, 77
Reset Signal
MODE[0],[1]
O
67, 78
Trunk/Extension Mode Signal
DC_CONT[0],[1]
O
68, 79
Extension Power Control Signal
OC0,1
I
3, 4
Extension Power Supply
LED1,2
O
8, 9
LED Control Signal
HW_FH
I
36
PCM Highway Frame Signal (8kHz)
HWCLK
I
23
PCM Highway Clock Signal (4.096MHz)
DHW[0]
I
35
PCM Highway Down-data (4Mbps)
UHW[0]
O
33
PCM Highway Up-data (4Mbps)
DU_A,B
I/O
63, 72
PCM Highway Up-data (2.048Mbps)
DD_A,B
I/O
64, 74
PCM Highway Down-data (2.048Mbps)
BRI_FH
O
60
PCM Highway Frame Signal (8kHz)
BRI_CLK
O
61
PCM Highway Clock Signal (4.096kHz)
1.5. TERMINAL GUIDE OF ICS, TRANSISTORS AND DIODES
Change from the Original Service Manual KX-TDA3280XJ, KXTDA3280CE Order No. KMS0401905C8, page 29.
3
KX-TDA3280XJ / KX-TDA3280CE
Y.M
KXTDA3280XJ
KXTDA3280CE
KXTDA3280XJ
KXTDA3280CE
