Lexicon RV-8 Service Manual page 195

8 7
CPU_WRDCLK_MON
[1/A3]
CPU_KYBDIRQ/
[1/B8]
CPU_DSPABIRQ/
[1/B8]
CPU_CRYIRQ/
[1/C8]
CPU_VIDTUNIRQ/
[1/D8]
D
CPUDATA[15:0]
[1/D3,7/A5]
CPUCS2/
[1/B3,9/C8]
C
RESREGDECL
[7/B3]
RESET/
[1/A3]
B
RESREGDECH
[7/B3]
A
BOOT_LOCK
[1/A3]
8 7
6 5
+5VD
+5VD
74VHCT245
20
VCC
18 2
B1 A1
17 3
B2 A2
NC 16 4 NC
B3 A3
15 5
B4 A4
14 6
B5 A5
13 7
B6 A6
12 8 IAMP_SOFT_RLY
B7 A7
11 9 IAMP_MAINS_RLY
B8 A8
19
G
1
DIR
10
GND
U37
+5VD
74VHCT245
20
VCC LVDATA[15:0]
CPUDATA0 18 2 LVDATA0
B1 A1
CPUDATA1 17 3 LVDATA1
B2 A2
CPUDATA2 16 4 LVDATA2
B3 A3
CPUDATA3 15 5 LVDATA3
B4 A4
CPUDATA4 14 6 LVDATA4
B5 A5
CPUDATA5 13 7 LVDATA5
B6 A6
CPUDATA6 12 8 LVDATA6
B7 A7
CPUDATA7 11 9 LVDATA7
B8 A8
19
G
1
DIR
10
GND
U36
+3.3VD
74VHC273
20
VCC
CPUDATA0 3 2
1D 1Q
CPUDATA1 4 5
2D 2Q
CPUDATA2 7 6
3D 3Q
CPUDATA3 8 9
4D 4Q
CPUDATA4 13 12
5D 5Q
CPUDATA5 14 15
6D 6Q
CPUDATA6 17 16
7D 7Q
CPUDATA7 18 19 IAMP_MAINS_RLY
8D 8Q
11
CLK
1
CLR
10
GND
U21
+5VD
74ACT244
20
VCC
2 18 AMP_RESET/
A1 Y1
4 16 FP_RESET/
A2 Y2
6 14 VIDEO_RESET/
A3 Y3
8 12 FPGA_RESET/
A4 Y4
1
G
10
GND
U45
+3.3VD
74VHC273
20
VCC
CPUDATA8 3 2 IAMP_SOFT_RLY
1D 1Q
CPUDATA9 4 5
2D 2Q
CPUDATA10 7 6 CPU_TEST_LED1
3D 3Q
CPUDATA11 8 9 CPU_TEST_LED2
4D 4Q
CPUDATA12 13 12 CPU_TEST_LED3
5D 5Q
CPUDATA13 14 15 CPU_TEST_LED4
6D 6Q
CPUDATA14 17 16 CPU_TEST_LED5
7D 7Q
CPUDATA15 18 19 CPU_TEST_LED6
8D 8Q
11
CLK
1
CLR
10
GND
U20
6 5
4 3
WRDCLKMON
LVKYBDIRQ/
LVDSPABIRQ/
LVCRYIRQ/
LVVIDTUNIRQ/
MAINS_RLY
SOFT_RLY
[9/D3]
BUFDIR
[9/D2]
DSPARESET/
DSPBRESET/
CRY_RESET/
REMOTE_PWREN0
REMOTE_PWREN1
EXPA_RESET/
EXPB_RESET/
[12/B8]
[12/B6] CPU_TEST_LED1
[12/B4]
[9/C8]
CPU_TEST_LED2
CPU_TEST_LED3
CPU_TEST_LED4
CPU_TEST_LED5
CPU_TEST_LED6
CPU_TEST_LED[6:1]
4 3
2
REV DESCRIPTION
1 CHANGED PER DCR 020913-00
[9/C8]
[9/D2]
2 CHANGED PER DCR 030307-00
[9/D2]
[9/C2]
[9/C2]
3 CHANGED PER DCR 030626-00
[12/A4]
[12/A4]
[3/C8]
[3/B8]
[8/D6]
[14/C7]
[14/C7]
[10/A8]
[10/A6]
R36 D15
150
YEL
R35 D14
150
11
RED
13
R34 D13 15
17
150 19
GRN
10
CPU TEST LEDS
R33 D12
150
YEL
R32 D11
150
RED
R31 D10
150
GRN
NC 1
CPU_TEST_LED1 2
CONTRACT
exicon
CPU_TEST_LED2 3
NO.
CPU_TEST_LED3 4
CPU_TEST_LED4 5
CPU_TEST_LED5 6
APPROVALS DATE
CPU_TEST_LED6 7
NC 8 DRAWN
RWH 4/26/02
NC 9
CHECKED
CAM 4/30/02
*
J10
Q.C.
CW 5/1/02
ISSUED
JV 4/30/02
2
1
REVISIONS
DRAFTER Q.C.
CHECKER AUTH.
RWH CW
11/05/02 12/20/02
CAM MAG
11/06/02 12/20/02
RWH CW
5/2/03 5/20/03
CAM MAG
5/14/03 5/20/03
RWH ECM D
9/29/03 10/9/03
CAM MAG
10/2/03 10/9/03
C
SPARES
B
+5VD
74ACT244
20
VCC
9 NC
A1 Y1
7 NC
A2 Y2
5 NC
A3 Y3
3 NC
A4 Y4
G
GND
U45
A
3 OAK PARK
BEDFORD, MA 01730
TITLE
SCHEM, MAIN BD,RV8
BUFFERS, LEVEL SHIFTERS
SIZE CODE NUMBER REV
B
3
060-15559
FILE NAME
15559-6 . 2 SHEET 2 OF 19
1