McIntosh MP1100 - Page 25

MP1100
45 46
DIGITAL 752027 SCH 4 OF 4
5
.1µF
C4
VOUT
3
GND
2
VIN
1
TAB
4
U1
L3
4-40
GP2
220µF
C6
4
2
1
3
Vcc
GND
5
U3
3
1
2
Q2
DGND
.1µF
C5
150k
R8
AC DETECTOR
47.5k
R5
3
1
2
Q3
AC DET
+3.3VBU
4-40
GP1
1
GRY
BLU
BLK
350mA
t
R2
D3
1
1
1
WHT
ORN
VIO
1
1
D2
2 6
8
4
1
3
5
7
PRIMARY
T1
1000µF
C1
J3:1 J3:2
J4:4
J4:3
J4:5
J4:2
J4:1
J4:6
3300µF
C3
2 3
1
45
6
K1
J2:3
J2:2
J2:1
J2:4
J2:5
J2:6
J1:1
J1:2
FH1/F2
1
1
AC N
AC L
WHT
BLK
D4
D5
D6
350mA
t
R3
1
1
1
1
1
1
CONVERSION PLUG
TEST ONLY
APPLY 12VD C
TO ENERGIZE RELAY
WITH NO AC POW ER
D1
+3.3VBU
+3.3VBU
L2
P C IN
10
R4
D8
L1
D10
P C OUT
PC IN
22.1k
R10
D11
+3.3VBU
22.1k
R12
.01µF
C7
+3.3VBU
4
2
1
3
Vcc
GND
5
U5
ML IN
+3.3VBU
47.5k
R11
22.1k
R9
+3.3VBU
4
2
1
3
Vcc
GND
5
U4
1
3
2
BOTT
J5:1
47.5k
R7
.1µF
C2
47.5k
R13
1.5k
R6
47.5k
R14
1000pF
C8
2
5
1
J6
IR IN
D7 D9
3
4
6
5
1
2
U2
CLR
3
GND
4
Cext
6
Q
5
A
1
VCC
8
B
2
R/Cext
7
U6
4
2
1
3
Vcc
GND
5
U7
+3.3VBU
+3.3VBU+3.3VBU
+3.3VBU
+3.3VBU
+3.3VBU
.1µF
C9
+3.3VBU
REAR IR
3
1
2
Q1
2.21k
R1
PWR RLY
4
6
5
TOP
J5:2
4-40
GP3
4-40
GP5
100-127V 50/60Hz
220-240V 50/60Hz
T1AL 250V
T500mAL 250V
FH1/F2
PRIMARY LINE VOLTAGE
! ! ! !
VOLTAGE SELECTION JUMPERS
240V
220V
120V
100 V
100V
120V
230V
110V
110V