McIntosh MC1.25KW - Loudspeaker Cable Attachment Methods; Spade Lug and Wire Connection Guide

MC1.25KW
13 14
MAIN 752035 SCH 3 OF 3
2
+5V
METER LIGHT
CONTROL
22.1k
R7
3.92 k
R1
METLTS
3.92k
R13
.6V
5V
PAN LTS
4
2
1
3 5
Vcc
GND
U1
+5V
PANEL LIGHT
CONTROL
.6V 5V
0V
0V
+5V
5V
5V
4
2
1
3 5
Vcc
GND
U9
+5V
TPTC
PWR RLY
1.82k
R22
+5V
5V
DRIVER
RELAY
POWER
D4
ACDET
4
2
1
3 5
Vcc
GND
U11
+5V
10µF
C6
4
2
1
3
Vcc
GND
5
U13
+5V
332k
R24
-18V
150k
R27
22.1k
R32
22 .1k
R31
22.1k
R35
22.1k
R36
150k
R28
12
3
G
D
S
Q8
4
2
1
3
Vcc
GND
5
U19
4
2
1
3
Vcc
GND
5
U18
+5V
+5V
+5V
+5V
+5V
+5V
5V
5V
+5V
PROTECTION
5V
AMPLIFIER
MUTING
THERMAL
HEATSINK
150k
R25
+5V
+5V
5V
PG LIGHT
DRIVER
2.21M
R21
0V
4
2
1
3
Vcc
GND
5
U10
+5V
PC OUTPUT
DELAY
4
2 1
3
Vc c
GND
5
U14
+5V
0V
D3
-17V
0V
.6V
TURN ON
DELAY
PG LT
150k
R29
22.1k
R34
22.1k
R33
22.1k
R37
22.1k
R38
150k
R30
4
2
1
3
Vcc
GND
5
U21
4
2
1
3
Vcc
GND
5
U20
+5V
+5V
+5V
+5V
+5V
+5V
5V
5V
+5V
PROTECTION
THERMAL
HEATSINK
+5V
4
2
1
3
Vcc
GND
5
U15
+ PTC MASTER
(+) PTC
-17V
+17V
+17V
-17V
MUTE
PG
HEATSINK
-17V
+17V
+17V
-17V
MUTE
PG
7
7
7
7
7
HEATSINK
7
7
7
7
METER V
MET V+
7
0V
+ PTC SLAVE
7
(+) PTC
0V
- PTC MASTER
(-) PTC
7
0V
- PTC SLAVE
7
(-) PTC
0V
METER V
MET V-
7
METLTS
PG LT
+17V
+17V
+5V
+5V
9
9
9
9
CAL 2
CAL 1
9
9
CAL 1
CAL 2
+ PTC MASTER
+ PTC SLAVE
- PTC MASTER
- PTC SLAVE
DISPLAY
MU TE
5
5
INPUT
+17V
-17V
PC IN
PC OUT
GND
ML REM
GND
5
5
5
5
5
PC IN
+17V
-17V
ON
REM
OFF
HOLD
LIGHTS OFF
POWER SW
METER SW
1
1
1
FP ON
FP OFF
GND
1
1
ML OFF
GND
WATTS
1
HOLD
+5V
4.75k
R4
+5V
TURN ON
CONTROL
0V
5V
4
2
1
3
Vcc
GND
5
U2
+5V
4
2
1
3
Vcc
GND
5
U4
+5V
4.75k
R6
22.1k
R3
FP OFF
FP ON
5V
+5V
D1
8
9
10
11
12
13
141
2
3
4
5
6
7
Q/Q SEL
Q
MODE
NC
A
B
Vdd
Vss
MR
AR
NC
Rs
Ctc
Rtc
_
U6
.22µF
C2
22.1k
R11
+5V
4
2
1
3
5
Vcc
GND
U3
4
2
1
3 5
Vcc
GND
U7
+5V
4
2
1
3
Vcc
GND
5
U5
+5V
+5V
220µF
C4
AUTO OFF TIMER
22.1k
R17
AUTO OFF
DISABLED
INDICATOR
4
2
1
3 5
Vcc
GND
U8
+5V
+5V
AUD DET
HOLD
+17V
+17V
12V
13.2V
D2
+17V
DRIVER
PC OUTPUT
PC OUT
PWR ON
PG
+5V
5V
ML REM
5V
5V 5V
PGND
9
9
5
AUTO OFF
R
4
3
DS1:1
47.5k
R20
1k
R23
100 k
R 2 6
J3:1
J3:4
J3:7
J4:1
J4:4
J4:7
20.0k
R15
10µF
C9
PAN LTS
22 .1k
R8 4
J5:1
J5:2
J5:3
J5:4
J5:5
J5:6
J5:7
J6:1
J6:2
J6:3
J6:4
J6:5
J6:6
J6:7
22.1
R12
1k
R14
47.5k
R2
47.5k
R5
100k
R8
100k
R9
100k
R18
221k
R10
3
1
2
Q1
3
1
2
Q2
3
1
2
Q3
3
1
2
Q4
3
1
2
Q6
3
1
2
Q5
3
1
2
Q7
3
1
2
Q9
3
1
2
Q10
3
1
2
Q11
3
1
2
Q12
.1µF
C 1
.1µF
C 3
.1µF
C5
.1µF
C7
.1µF
C 8
.1µF
C10
.1µF
C11
.1µF
C12
.1µF
C13
J10:1
J10:2
J10:3
J10:4
J10:5
J10:6
J10:7
J10:10
B
33.2k
R19
22.1k
R85
4
2
1
3
Vcc
GND
5
U12
4
2
1
3
Vcc
GND
5
U17
4
2
1
3
Vcc
GND
5
U16
J9:4
J9:5
J9:7
J9:10
J9:13
J9:14
J9:15
J9:16
J9:17
J9:18
GND
J9:12