McIntosh C2300 - Remote Control Functions

23 24
DISPLAY 750641 SCH 1 OF 2
3A
5V
0V
0V
0V
0V
SDA
NC
Q7
Q5
A1
Q0
Q1
Q3
0V
0V
0V
5V
5V
0V
5V
5V
5V
5V
5V
5V
0V
0V
0V
5V
5V
0V
0V
0V
5V
5V
5V
5V
5V
5V
R1
R0
C3
C0
9
7
7
7
7
7
7
7
7
7
7
7
7
VDD
SCL
Q6
Q4
A0
A2
Q2
VSS
0V
0V
0V
0V
5V
0V
5V
0V
5V
5V
0V
5V
5V
5V
5V
NC
NC
C2
C1
7
7
7
7
7
7
100
R17
TO RIGHT METER LAMP
J8:1
J8:2
J8:5
J8:6
J8:7
J8:10
J8:11
J8:12
J8:15
J8:16
J8:17
2E
J1:18
2E
VOLCK
J1:17
IR MUTE
CONTROL
2E
VOLCS
2E
J1:13
2E
J1:12
595CS
2E
TUBE ON
2E
J1:8
2E
SCLK
J1:7
FIL1
2E
5V
2E
J1:3
2E
GND
J1:2
GND
1k
R1
5V
475
R4
.1uF
C5
.6V
0V
ILLUMINATION
FRONT PANEL
CONTROLLER
MICRO PROCESSOR
INPUT
R GRN
C BLU
J1:16
J1:18
J1:1
BYPASS
MONO
RECMON
J1:7
J1:11
J1:13
OUTPUT 2
GND
GND
J1:15
J1:17
J1:14
J1:6
J1:4
J1:2
J8:3
J8:4
J8:8
J8:9
TO MAIN
J8:13
J8:14
J8:18
PASSTHRU
EX DATA
2E
2E
VOL DATA
J1:14
J1:15
J1:16
VFD -24V
2E
2E
SDATA
J1:10
J1:11
J1:9
2E
2E
FIL2
J1:5
J1:4
J1:6
2E
J1:1
220pF
C2
10uF
C4
.1uF
C6
324
R11
324
R7
324
R8
324
R9
DS1
DS3 DS4
10
R18
10uF
C9
D2
D3
D4
.1uF
C10
47.5k
R26
47.5k
R27
10
9
8
U7C
3
1
2
Q3
10k
R28
3
1
2
Q4
.1uF
C13
324
R35
R BLU
C GRN
J1:3
J1:5
SETUP
OUTPUT 1
J1:9
J1:10
STDBY/ON
TO PUSHBUTTO N
J1:12
J1:8
IR TO
DATA PORTS
100k
R3
D1
475
R5
324
R6
324
R10
31
2
Q1
100
R14
12.0MHz
1
3
2
Y1
221
R19
GND
6
B
1
C
4
A
5
GND
7
S1
GND
6
B
1
C
4
A
5
GND
7
S2
2
1
3
7
B+
GND
14
U7-1
31
2
Q2
10k
R25
6
6
5
5
VOL_B
3
5V
1
GND
4
VOL_A
2
VOLUME
CONTROL
7
7
S3
GND
6
B
1
C
4
A
5
GND
7
S4
5
4
6
U7B
EEPROM
MANUAL RESET
100
R23
475k
R21
10uF
C3
8x22k
2 3 4 5 6 7 8 9
1
R2
DS2
2.21k
R16
.1uF
C7
8x22k
2
3
4
5
6
7
8
9
1
R12
54
72
8
6
1
3
Vss
A1
A0
SDA
WP
Vcc
A2 SCL
U3
RESET
MICRO PROCESSOR
DS5
47uF
C8
2
3
1
7
B+
GND
14
U6-1
SELECTOR
METER ILLUMINATIO N
2.21k
R29
200
2
3
1
CCW
R33
200
2
31
CCW
R32
13
12
11
U7D
STDBY_LED
.1uF
C1
8x22k
2 3 4 5
6
7
8
9
1
R13
100
R15
7
8
5
2
3
9
10
12
15
14
6
1
4
11
16
13
U2
13
2
GND
OUT
VCC
U5
100
R20
8x22k
2
3
4
5 6 7
8
9
1
R22
8x10k
2
3
4
5 6
7
8
9
1
R24
5
6
4
U6B
200
2
3
1
CCW
R31
200
2
31
CCW
R34
J3:4
J2:1
J2:18
J2:8
J2:6
J2:2
J2:5
J2:15
J2:17
J4:4
J4:2
J3:7
J3:11
J3:1
J2:3
J2:12
J2:16
J2:14
J2:4
J2:9
J2:10
11
12
13
U6-4
J2:7
J2:13
J2:11
J4:11
J4:7
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
8
9
10
U6-3
VSS
20
VDD
40
P2.0
21
XT1
19
P2.2
23
P2.3
24
P3.7
17
P3.6
16
P2.5
26
P3.4
14
P2.7
28
PSE
29
P3.2
12
P3.1
11
EA
31
RST
9
P0.6
33
P1.6
7
P0.5
34
P1.5
6
P0.3
36
P1.3
4
P0.1
38
P1.1
2
P0.0
39
P1.0
1
P2.1
22
P2.4
25
P3.5
15
XTO
18
P2.6
27
ALE
30
P0.7
32
P0.4
35
P1.4
5
P1.7
8
P3.0
10
P3.3
13
P0.2
37
P1.2
3
U4
-24V
595CS
BYPASS_LED
BYPASS_LED
EXTIRDATA
EXTIRDATA
EXTIRDATA
FPIRDATA
FPIRDATA
IR_DATA
IR_DATA
IRMUTE
IRMUTE
LCL
LCL
LCS
LCS
LDA
LDA
METER_LAMP
METER_LAMP
MONO_LED
MONO_LED
OUTPUT 1_LED
OUTPUT 1_LED
OUTPUT 2_LED
OUTPUT 2_LED
PANEL_LAMP
PANEL_LAMP
PASSTHRU
PASSTHRU
RECMON_LED
RECMON_LED
SCL
SCL
SCL
SCLK
SCLK
SDA
SDA
SDA
SDATA
SDATA
SETUP_L
ED
SETUP_LED
TUBE_ON
TUBE_ON
VFCL
VFCS
VFDA
VFRST
VOLCL
VOLCL
VOLCS
VOLCS
VOLDA
VOLDA
5V
5V
5V
5V
5V 5V 5V 5V 5V
5V
5V
5V
5V
5V
5V
5V
5V
FIL2
FIL1
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
5V
FPIRDATA
5V
LAMP_ON
J3:6
J3:12
J4:1
J3:9
J3:8
J4:12
J3:12
J3:5
5V
5V
J4:5
J4:6
J4:8
J4:9
R BLU
R BLU
R GRN
R GRN
5V
5V
C BLU
C BLU
C GRN
C GRN
TO NE_CS
TO NE_CS
TO NE CS
5V
5V
5V
595CS
SDATA
0V
5V
0V
0V
0V
5V
0V
5V
0V
5V
5V
0V
5V
5V
5V
0V
0V
0V
.6V
LEFT
GREEN
ADJUST
LEFT
BLUE
ADJUST
RIGHT
GREEN
ADJUST
RIGHT
BLUE
ADJUST
TO LE FT METER LAMP
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9