Fukuda Denshi DS-8400, Service Manual

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4-15
Speaker Connector (CN2001) Unused
No. Signal Name Remarks Signal Level
1 SP+ Speaker output
2 SP- Speaker output
* This connector is not used for DSC-8400.
Mother Board Connector A (CN2201)
No.
Signal Name I/O Description Remarks
1 GND_D - Digital GND
2 EX_A[1] O IP Address
Bus Buffer Output
(PU:3.3V_AL system)
3 EX_A[3] O Address [3]
4 EX_A[5] O Address [5]
5 EX_A[7] O Address [7]
6 EX_A[9] O Address [9]
7 EX_A[11] O Address [11]
8 EX_A[13] O Address [13]
9 EX_A[15] O Address [15]
10 GND_D - Digital GND
11 EX_A[17] O Address [17]
Bus Buffer Output
(PU:3.3V_AL system)
12 EX_A[19] O Address [19]
13 EX_A[21] O Address [21]
14 EX_A[23] O Address [23]
15 GND_D - Digital GND
16 EX_D[1] I/O Data [1]
Bus Buffer I/O
(PU:3.3V_AL system)
17 EX_D[3] I/O Data [3]
18 EX_D[5] I/O Data [5]
19 EX_D[7] I/O Data [7]
20 EX_D[9] I/O Data [9]
21 EX_D[11] I/O Data [11]
22 EX_D[13] I/O Data [13]
23 EX_D[15] I/O Data [15]
24 GND_D - Digital GND
25 EX_D[17] I/O Data [17] Bus Buffer I/O
26 EX_D[19] I/O Data [19]
(PU:3.3V_AL system)
27 EX_D[21] I/O Data [21]
28 EX_D[23] I/O Data [23]
29 EX_D[25] I/O Data [25]
30 EX_D[27] I/O Data [27]
31 EX_D[29] I/O Data [29]
32 EX_D[31] I/O Data [31]
33 GND_D - Digital GND
34 /LCDC1_WRLL O Write Enable
CPLD Output (PU:3.3V_AL
system)
35 /LCDC1_WRLH O Write Enable
CPLD Output (PU:3.3V_AL
system)
36 /LCDC1_INT[0] I Interruption
CPLD Input (PU:3.3V_AL
System)
37 /LCDC1_INT[1] I Interruption
CPLD Input (PU:3.3V_AL
System)
38 /LCDC1_WAIT I WAIT
CPLD Input (PU:3.3V_AL
System)
39 /LCDC1_CS O Chip Selection
CPLD Output (PU:3.3V_AL
system)
40 GND_D - Digital GND