McIntosh C2500 - Page 32

59
60
8
POWER 751459 SCH
15
14
T1
T1
ORG
ORG
177V
18V
165V
131V
151V
TO TU BE
POWER
TRANSFORMER
203V
-23.5V
NEGATIVE 18 VOLT
REGULATOR
155V
151V
POSITIVE 18 VOLT
REGULATOR
156V
156V
0V
0V
18V
3A
3A
3A
3A
J5:2
3A
J5:3
3A
J5:4
J5:5
J5:8
T125mAL250V
F1
D22
D21
D19
47µF
C3
23.5V
2.21k
R11
3
21
D
S
G
Q3
132353
.1uF
C104
-18V
.1uF
C103
221k
R12
22.1
R15
220µF
C108
-18V
18V
-18V
3A
J5:1
3A
J5:7
J5:6
D20
221k
R9
3
21
Q2
#132351
3 1
2
Q1
#132317
SEC 3
J1:8
1M
R10
J1:9
.047µF
C4
22.1k
R14
200k
R13
3 2
1
IN OUT
U18
220µF
C107
3
1
2
IN OUT
U17
J31:1
J31:7
J31:8
J31:2
J31:6
J31:4
J31:5
J31:3
157V
157V
none
R1
100V
20V
100V
20V
From Backup Power Supply PCB
!
0
R2
MH1
J6:2
J6:6
J6:3
J6:4
J6:1
J6:7
18V
8V_UNREG
8V_UNREG
18V
J7:3
J7:7
J7:1
J7:6
J7:4
J7:2
-18V
-18V
AC WINDING
J7:5
J6:5
3
3
3
3
3
3
3
3
3
3
3
3
3
3
159405 (100-240V)
!
159406 (120V Only)
T1
T1
1
1
T1
1
T1
1
1
BLK
RED
RED
.047u F
C17
D3
D4
T1
BLU
.047u F
C25
D7
1.85A
t
R195
1.85A
t
R19
D5
D2
D6
3.0A
t
R29
4700µF
C11
4700µF
C18
J1:2
J1:3
J1:1
SEC 1
10
9
8
7
12
SEC 2
1
3.0A
t
R35
J1:6
J1:5
J1:4
8V_UNREG
YEL
10000µF
C24
11
YEL
1
AC WINDING
200V Nominal
D1
ZE 12V400MW
221k
R3
.22µF
C1
15mA
J1:7
NC
FH1
499
R6
6.49k .5%
R7
475
R8
6.49k .5%
R5
18V
-18V
-18V
18V
18V
4.99k
R4
18.8V
116V
10µF
C6
.047µF
C7
2.21k
R16
220µF
C8
18.2V
TP1