McIntosh MA7000 Service Manual page 7

2 BACKUP POWER SUPPLY
AC FUSE
1
AC N
1
1
1 0 0 V 1 2 0 V 2 2 0 V 2 4 0 V
1
1
1
1
1
1
751060 SCH and PCB
J1 1
5
C1
J2
2
6
PRIMARY
7
3
8
4
T1
t
J3 1 2 4
3
RT1
J4
J5
J6
J7
J8
2
t
J9 1 2 1
RT2
9
MA7000
R1
D 4
t
J17:1
+VBU
.3A
J17:2
D 2
1000uF
C2
R2 D 3
D 5
t
J16:4 +VBU
+VBU
.3A
J16:5 GND
J16:1 POWER
RLY
BLK
1 J10
2
K2
GRY/BLK
J11
GRY
J12
D1
J13 VIO
J14 WHT/VIO
3
J15 WHT
4
K1
3
3
3
1
100V
1
20V
1
1
20V
1
100V
1
10