McIntosh C2300 - Page 24

43
DATA 750762 SCH
6
OUTPUT 1
B
ACC
MAIN
SRVR
CDR
CD
DVD
TUNER
0V
0V
5V
0V
0V
0V
0V
0V
0V
0V
0V
0V
5V
5V
5V
5V
0V
0V
0V
0V
0V
0V
0V
5V
5V
0V
5V
5V
5V
5V
8V
8V
8V
4.5V
5V
5V
5V
0V
5V
2E
2E
2E
2E
2E
2E
2E
2E
2E
2E
2E
2E
2E
2E
POWER CONT ROL
DATA PORTS
A
OUTPUT2
C
AUX
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
5V
0V
5V
0V
5V
2E
2E
2E
2E
TRIGGE RS
0V
0V
5V
100
R9
PASS THRU
5V
5V
SENSOR
EXT
0V
0V
0V
0V
0V
8V
DATA PORT
DECODER
DRIVER
EXTERNAL
NC
NC
15V
ACC
J4:1
J4:3
J4:4
J4:5
J4:6
J4:8
J4:9
J4:10
J4:11
J4:13
J4:14
J4:15
J4:16
J4:18
10
R30
2
5
1
J14
0V
2
5
1
J12
0V
0V
2
5
1
J11
10
R15
2
5
1
J7
2
5
1
J5
2
5
1
J4
221k
R28
100
R10
100
R12
100
R8
100
R7
100
R4
DRIVER
5V
.1uF
C4
5V
0V
0V
0V
1k
R11
SENSOR
15K
R16
CONTROL
J4:2
J4:7
TO MAIN PCB
J4:12
J4:17
2
5
1
J15
2
5
1
J13
10
R26
2
5
1
J8
2
5
1
J6
2
5
1
J3
221k
R29
221
R13
.1uF
C3
5
6
7
-
+
U3B
20K
R14
DATA
J10:15
GND
J10:14
GND
10V
J10:10
POWERON
J10:9
PASSTHRU
DATA
J10:5
PC SPKR1
J10:4
SCLK
SQH1
PASSTHRU
10k
R27
8
10
9
U5C
182
R24
182
R25
11
13
12
U5D
11
13
12
U4D
3
2
1
7
B+
GND
14
U5A
182
R21
182
R22
6
5
4
U4B
8
10
9
U4C
182
R18
182
R20
3
2
1
7
B+
GND
14
U4A
182
R17
.1uF
C1
J10:18
J10:17
IR MUTE
CONTROL
J10:13
J10:12
J10:8
J10:7
PC SPKR2
J10:2
J10:3
595CS
1000pF
C2
1k
R3
1k
R5
31
2
Q1
6
5
4
U5B
182
R23
2
1
J9
10
12 7
15 4
17 2
9
11
13
14
16
18
8
6
5
3
1
GND
U2
J10:16
J10:11
J10:6
J10:1
3
2
1
-
+
8
4
B+
B-
U3A
1k
R6
QF
5
QG
6
QD
3
QA
15
QB
1
GND
8
QH
7
SQH
9
OE
13
VCC
16
QC
2
QE
4
LCLK
12
RESET
10
SCLK
11
DATA
14
U1
SP2
SP1
5V
15V2
15V
5V
15V
5V
5V
595CS
SCLK
SQH1
PC_SPKR1
DP_DATA
PC_SPKR2
PASSTHRU
ACC
POWERON
POWERON
ACC
PC_SPKR1
PC_SPKR2
PASSTHRU
5V
595CS
SCLK
SQH1
DP_DATA
5V
5V
5V
15V2
182
R31
D1 D2
15V 9.7V
15V2
9.7V
D3
100k
R19
5V
47.5
R32
220uF
C5
44