ALLEN & HEATH ML3000 - Page 58

Kernick Industrial Estate,
Penryn, Cornwall,
England. TR10 9LU
+44 (0)8707 556250
+44 (0)8707 556251
4
ML3/4/5000 CPU PCB
AG3718 3 4
PAGE:
TITLE:
DRG No: ISSUE: SHEET: OF
ISSUE BY DATE
FILE: AG3718_4P3.SCH 15:43:06 7-Jan-2002
ALLEN&HEATH
Tel:
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PRINTED:
ABCDEFGH
a
b
c
d
e
SPI &BUFFERING
SPIMISOR2
SPIMISOM2
SPIMISOL2
SPIMISOR3
SPIMISOM3
SPIMISOL3
SPIMISOR1
SPIMISOM1
SPIMISOL1
DGND
SPI GATING
SPI BUFFERING
+5VL
+5VL
DGND
R28
10K 1% 0805
R29
10K 1% 0805
R30
10K 1% 0805
SPIMISO1
SPIMISO2
SPIMISO3
VFBA2
VFBA1
VFBA0
SPIOE
SPICSL_L
SPICSR_L
SPICSM_L
SPICLK
SPIOEL
SPISTBL
SPILDL_L
SPICLKL1
VFBA2L
SPIOEM
SPISTBM
SPILDM_L
SPICLKM
VFBA1L
SPIOER
SPISTBR
SPILDR_L
SPICLKR1
VFBA0L
VFBA2M
VFBA1M
VFBA0M
VFBA2R
VFBA1R
VFBA0R
+5VL
+5VL
DGND
C37
100N_S
C38
100N_S
C39
100N_S
DGND
R52
10K 1% 0805
R51
10K 1% 0805
R50
10K 1% 0805
R55 10K 1% 0805 R54 10K 1% 0805 R53 10K 1% 0805
R49
10K 1% 0805
R48
10K 1% 0805
R47
10K 1% 0805
R44
10R 0805
R45
10R 0805
R46
10R 0805
ISS 3 AAT 07-12-00
ISS 3.1 AAT 26-01-01
ISS 3.2 AAT 26-10-01
1 2
U14A
74HC04
3 4
U14B
74HC04
5 6
U14C
74HC04
9 8
U14D
74HC04
11 10
U14E
74HC04
13 12
U14F
74HC04
GND
7
VCC
14
U14G
74HC04
1
2
3
U15A
74HC08
4
5
6
U15B
74HC08
9
10
8
U15C
74HC08
12
13
11
U15D
74HC08
GND
7
VCC
14
U15E
74HC08
D1
2
D2
3
D3
4
D4
5
D5
6
D6
7
D7
8
D8
9
Q1
18
Q2
17
Q3
16
Q4
15
Q5
14
Q6
13
Q7
12
Q8
11
E1
1
E2
19
VCC
20
GND
10
U7
74HC541
D1
2
D2
3
D3
4
D4
5
D5
6
D6
7
D7
8
D8
9
Q1
18
Q2
17
Q3
16
Q4
15
Q5
14
Q6
13
Q7
12
Q8
11
E1
1
E2
19
VCC
20
GND
10
U12
74HC541
D1
2
D2
3
D3
4
D4
5
D5
6
D6
7
D7
8
D8
9
Q1
18
Q2
17
Q3
16
Q4
15
Q5
14
Q6
13
Q7
12
Q8
11
E1
1
E2
19
VCC
20
GND
10
U13
74HC541
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
1G
1
2G
19
VCC
20
GND
10
U10
74HC244
1A1
2
1A2
4
1A3
6
1A4
8
2A1
11
2A2
13
2A3
15
2A4
17
1Y1
18
1Y2
16
1Y3
14
1Y4
12
2Y1
9
2Y2
7
2Y3
5
2Y4
3
1G
1
2G
19
VCC
20
GND
10
U11
74HC244
R56
10R 0805
SPICLKL2
R57
10R 0805
SPICLKL3
R58
10R 0805
SPICLKR2
R59
10R 0805
SPICLKR3
ISS 4 AAT 20-11-01
D25