McIntosh C2500 Service Manual page 32

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