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McIntosh C49

McIntosh C49
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C49
13 14
2
CONTROL 752346 SCH 3 of 3
L30
1
3
2
J1 7:1
D3 4
L20
PASS THRU
4
6
5
J1 7:2
D3 5
L22
D3 0
L24
D3 1
L28
D3 3
POWER
M AIN PC
TR G 1 PC
TR G 2 PC
TR G 4 PC
3
1
2
Q 30
22.1k
R1 1 2
M AIN PC
TR G 4 PC
Q 3
7
VSS
8
Q 1
5
A1
2
A2
3
Q 4
9
Q 5
10
Q 7
12
SD A
15
SC L
14
Q 2
6
A0
1
Q 0
4
Q 6
11
VD D
16
N C
13
U2 8
22.1k
R7 7
TR G 2 PC
TR G 1 PC
TR G 3 PC
.1 µF
C5 8
150
R1 1 7
3
1
2
Q 26
22.1k
R1 0 8
150
R1 1 3
3
1
2
Q 27
22.1k
R1 0 9
150
R1 1 4
3
1
2
Q 29
22.1k
R1 1 1
150
R1 1 6
L31
L21
L23
L25
L29
4
2
1
3
V cc
G ND
5
U3 3
D2 8
D2 9
D2 4
D2 5
D2 7
L10
1
3
2
J1 1:1
D1 3
L11
4
6
5
J1 1:2
D1 4
L14
D1 7
L15
D1 8
3
1
2
Q 9
22.1k
R7 4
3
1
2
Q 10
22.1k
R7 5
3
1
2
Q 6
22.1k
R7 1
1.5k
R6 9
475k
R7 8
100pF
C6 1
1
3
2
J1 4:1
D2 0
IR IN
4
6
5
J1 4:2
D1 9
.1 µF
C5 7
.1 µF
C5 6
L19
.1 µF
C6 0
L18
.1 µF
C5 4
.1 µF
C5 9
T 2 o u t
8
R2 in
9
C2 -
6
T 2 in
11
V+
3
R1 in
14
EN
1
G ND
16
C1 +
2
C1 -
4
C2 +
5
V-
7
R2 o u t
10
T 1 in
12
R1 o u t
13
T 1 o u t
15
Vcc
17
SD
18
U2 6
R S2 32 SD
L16
L17
EXT TXD
EXT R XD
L9
D2 1
TO EXT D B9 - 2 (R XD )
TIP
RING
GN D
FROM EXT D B9 - 3 (T XD )
EXT D B9 - 5 (GN D )
RS 232
Q 3
7
VSS
8
Q 1
5
A1
2
A2
3
Q 4
9
Q 5
10
Q 7
12
SD A
15
SC L
14
Q 2
6
A0
1
Q 0
4
Q 6
11
VD D
16
N C
13
U2 7
I2 C C L
I2 C D A
.1 µF
C6 2
TRIG 1
1
3
2
J1 6:1
L27
D3 2
TR G 3 PC
3
1
2
Q 28
22.1k
R1 1 0
150
R1 1 5
L26
D2 6
TRIG 2
4
6
5
J1 6:2
1
3
2
J1 5:1
4
6
5
J1 5:2
MAIN
+3 .3VBU
+3 .3VBU
+3 .3VBU
+3 .3VBU
L12
1
3
2
J1 2:1
D1 5
L13
4
6
5
J1 2:2
D1 6
3
1
2
Q 8
22.1k
R7 3
3
1
2
Q 7
22.1k
R7 2
1
3
2
J1 3:1
4
6
5
J1 3:2
DATA 1
C ON V IR FR IR
R EAR IR
4
2
1
3
V cc
G ND
5
U3 1
4
2
1
3
V cc
G ND
5
U2 5
DG ND
4
2
1
3 5
V cc
G ND
U3 0
IR C TR L
+3 .3VBU
+3 .3VBU
+3 .3VBU
DAT A OU T
CONTRO L
I2 C C L
I2 C D A
+3 .3VBU
DG ND
+3 .3VBU
A = 0 0 0 (0 )
A = 0 0 1 (1 )
DATA
PORTS
.1 µF
C6 3
.1 µF
C6 9
D2 2
3
4
6
5
1
2
U2 4
CLR
3
GN D
4
Cex t
6
Q
5
A
1
VC C
8
B
2
R/Cex t
7
U2 9
4
2
1
3
V cc
G ND
5
U3 2
+3 .3VBU
+3 .3VBU+3 .3VBU+3 .3VBU +3 .3 VBU+3 .3VBU
3
1
2
Q 5
22.1k
R7 0
D ATA 2
D ATA 3
D ATA 4
D ATA 5
D ATA 6
D ATA 1
D ATA 2
DATA 3
D ATA 4
DATA 5
DATA 6
PASS PC
22.1k
R1 0 1
D2 3
+3 .3V BU
22.1k
R9 9
.0 1µF
C6 8
+3 .3V BU
4
2
1
3
V cc
G ND
5
U3 5
PASS LT
+3 .3V BU
22.1k
R1 0 2
+3 .3V BU
TRIG 3
TRIG 4
.1 µF
C5 5
+3 .3VBU
4
2
1
3
V cc
G ND
5
U3 4
3
1
2
Q 11
22.1k
R7 9
3.32k
R8 5
4.75k
R9 4
+V PC
+V PC
+V PC
.1 µF
C6 4
3
1
2
Q 12
22.1k
R8 0
3.32k
R8 7
+V PC
+V PC
+V PC
.1 µF
C6 5
3
1
2
Q 13
22.1k
R8 1
3.32k
R8 9
+V PC
+V PC
.1 µF
C6 6
3
1
2
Q 14
22.1k
R8 2
3.32k
R9 1
+V PC
+V PC
.1 µF
C6 7
3
1
2
Q 15
22.1k
R8 3
3.32k
R9 3
+V PC
+V PC
+V PC
+V PC
+V PC
+3 .3VBU
+3 .3VBU
M ET PC
3
1
2
Q 16
3
1
2
Q 17
3
1
2
Q 18
3
1
2
Q 19
3
1
2
Q 20
3
1
2
Q 21
3
1
2
Q 22
3
1
2
Q 23
3
1
2
Q 24
3
1
2
Q 25
4.75k
R9 5
4.75k
R9 6
4.75k
R9 7
4.75k
R9 8
M ET PC
1
2
3
4
5
6
EXTERNAL
CONTRO L
2.21k
R8 4
2.21k
R8 6
2.21k
R8 8
2.21k
R9 0
2.21k
R9 2
47.5k
R1 0 0
47.5k
R7 6
100
R6 3
100
R6 4
100
R6 5
100
R6 6
100
R6 7
100
R6 8
1 0
R1 18
1 0
R1 19
1 0
R1 20
1 0
R 12 1
1 0
R1 22
10
R123
22 .1
R1 03
22 .1
R1 04
22 .1
R1 0 5
22 .1
R1 06
22 .1
R
1 0
7
1 0
R 57
1 0
R 58
1 0
R 59
1 0
R 60
1 0
R 61
1 0
R 62

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