E.F. Johnson Company 5100 Series Service Manual page 133

7 TX_LED
7 RX_LED
3,6 IRQ4
10 SRC_SEL
SW_VD3_3
SW_VD3_3
R66 R67 R68 R52
4.7K 4.7K 4.7K 10K
3,11 OPT_SEL1
3,11 OPT_SEL2
3 UDC_TXD
Programmable Logic Device (PLD)
U12B
E6
I/O85 I/O127
D6
I/O86 I/O128
B6
I/O87 I/O129
A6
I/O88 I/O130
D2
I/O89 I/O131
D1
I/O90 I/O132
E3
I/O91 I/O133
E2
I/O92 I/O134
E4
I/O93 I/O135
E1
I/O94 I/O136
F5
I/O95 I/O137
F3
I/O96 I/O138
F4
I/O97 I/O139
G3
I/O98 I/O140
D7
I/O99 I/O141
C7
I/O100 I/O142
B7
I/O101 I/O143
A7
I/O102 I/O144
C8
I/O103 I/O145
B8
I/O104 I/O146
C9
I/O105 I/O147
D10
I/O106 I/O148
C10
I/O107 I/O149
G2
I/O108 I/O150
G1
I/O109 I/O151
GND
G4
I/O110 I/O152
R53
H1
I/O111 I/O153
10K
H3
I/O112 I/O154
H2
I/O113 I/O155
J2
I/O114 I/O156
J3
I/O115
K2
I/O116 IN0
K3
I/O117 IN1
W10
I/O118 IN2
T9
I/O119 IN3
U9
I/O120
T8
I/O121 PORT_EN
T7
I/O122
W7
I/O123 TCK
V7
I/O124 TDI
U7
I/O125 TDO
W6
I/O126 TMS
XCR3256XL-280BGA/A
5500-420 USER INTERFACE BOARD VER C SCHEMATIC (PAGE 8 OF 18)
8-57
T6
K4
L1
IP_B1
3,6,11,16
L3
M1
IP_B0
3,6,11,16
M3
M4
N1
nSRESET
N2
nHRESET
N3
V6
UDC_RXD 3
U6
R6
W5
UDC_RTS 3
T5
V5
UDC_CTS 3
U5
W4
U4
W3
P1
FRZ 3,16
P2
DSCK 3,6,11,16
P4
R3
R2
DSDO
3,11,16
R4
R70
T3
U1
DSDI 3,6,11,16
V1
CLSN 3
100
U2
A10
PTT 3 ,11
D11
SCL 3,7,15
C51 1nF
C11
B11
nHRESET 3 ,4,6,11,13,14,15,16
P3
GND
L19
TCK 16,18
B9
TDI 16
C12
TDO_TO_TDI 18
L2
TMS 16,18
SW_VD3_3
GND
SW_VD3_3
3,11,14,16
3,4,6,11,13,14,15,16
SW_VD3_3
Oscillator
R69
Y2
1M
5
1
OUT V+
2
4 GND
3
DIV SET
LTC1799
GND
SW_VD3_3
GND
Programmable Logic Device (PLD)
U12C
A11 E5
VCC1 GND1
B10 E7
VCC2 GND2
C6 E8
VCC3 GND3
C14 E9
VCC4 GND4
D13 E10
VCC5 GND5
D17 E11
VCC6 GND6
F2 E12
VCC7 GND7
J19 E13
VCC8 GND8
L4 G5
VCC9 GND9
P15 G15
VCC10 GND10
T18 H5
VCC11 GND11
U8 H15
VCC12 GND12
U14 J5
VCC13 GND13
V2 J15
VCC13 GND14
V9 K5
VCC14 GND15
V11 K15
VCC15 GND16
L5
GND17
A1 L15
NC1 GND18
A2 M5
NC2 GND19
A3 M15
NC3 GND20
A8 N5
NC4 GND21
A9 N15
NC5 GND22
A19 R7
NC6 GND23
B2 R8
NC7 GND24
B3 R9
NC8 GND25
B4 R10
NC9 GND26
B14 R11
NC10 GND27
B15 R12
NC11 GND28
B16 R13
NC12 GND29
C1
NC13
C2 P19
NC14 NC43
C4 R1
NC15 NC44
C15 R5
NC16 NC45
GND
C17 T1
NC17 NC46
C18 T2
NC18 NC47
C19 T4
NC19 NC48
D3 T19
NC20 NC49
D4 U3
NC21 NC50
D5 U16
NC22 NC51
D8 U17
NC23 NC52
D9 U18
NC24 NC53
D16 V3
NC25 NC54
D18 V4
NC26 NC55
D19 V8
NC27 NC56
E16 V10
NC28 NC57
E17 V12
NC29 NC58
F1 V14
NC30 NC59
F16 V17
NC31 NC60
G18 V18
NC32 NC61
H4 V19
NC33 NC62
J1 W1
NC34 NC63
J4 W2
NC35 NC64
K1 W8
NC36 NC65
K19 W9
NC37 NC66
M2 W13
NC38 NC67
M19 W16
NC39 NC68
N4 W18
NC40 NC69
P5 W19
NC41 NC70
P17
NC42
XCR3256XL-280BGA/A