McIntosh C2600 Service Manual page 10

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2
CONTROL
751898 SCH 4 of 4
100-120V 50/ 60H z 089132 T1AL
118033
220-240V 50/ 60H z 089126 T500m AL
AC LINE FILTER
FH1
BLK
AC L
J2:1
1
WHT
AC N
J2:2
1
J1:1
1
J1:2
1
J1:3
1
J1:4
1
J1:5
1
J1:6
1
GP1
4-40
GP3
4-40
GP2
4-40
15
1
R1
350mA
D5
5
t
2
6
+V BU
PRIMARY
3
7
D6
t
8
4
R2
350mA
T1
D3
D4
TEST ON LY
APPLY 12VD C
TO EN ER GIZE RELAY
WITH NO AC POW ER
J3:1
J3:2
C4
1000µF
D2
D1
PWR RLY
159405 (100-240V)
159406 (120V Only)
K1
1
6
2
3
BLK
J4:1
5
4
1
BLU
J4:2
1
GR Y
J4:3
1
J4:4
VIO
1
J4:5
OR N
1
WHT
J4:6
1
C1
R126
.1µF
0
R127
0
C2
R128
.1µF
0
R129
GP5
0
6-32
C3
R130
.1µF
0
R157
R131
2.21
0
+3.3V BU
C5
.1µF
AC DET EC TOR
+3.3V BU
R7
1
+3.3V BU
Q1
150k
U1
1
Vcc
4
AC DET
2
GND
C6
1
Q2
.1µF
R8
100k
R3
YEL
J18:6
1
D7
3A
SEC 2
BLU
J18:5
C7
1
.047µF
R4
C9
D8
6800µF
YEL
J18:4
1
3A
C10
6800µF
J18:7
NC
R5
D9
RED
t
J18:1
1
1.85A
D10
+23V
SEC 1
BLK
J18:2
C8
1
.047µF
D11
-23V
R6
D12
t
RED
J18:3
1
1.85A
ORG
J18:8
HV1
1
SEC 3
ORG
J18:9
1
HV2
GP4
6-32
U2
1
3
VIN
VOUT
C13
C14
3300µF
.1µF
U3
4
5
IN
TAB
OUT
___
2
VFD ON
ON/OFF
3
GND
ADJ
C15
R16
C21
.1µF
150k
100pF
R10
47.5k
U4
4
5
IN
TAB
OUT
___
2
PS ON
ON/OFF
3
GND
ADJ
C16
R17
C22
.1µF
150k
100pF
R11
47.5k
U5
4
5
IN
TAB
OUT
___
2
ON/OFF
3
GND
ADJ
C17
R18
.1µF
332k
R12
R40
47.5k
47.5k
R23
C23
332k
100pF
U6
4
5
IN
TAB
OUT
___
2
ON/OFF
3
GND
ADJ
C18
R19
.1µF
221k
R13
22.1k
C24
100pF
U7
4
5
IN
TAB
OUT
___
2
ON/OFF
3
GND
ADJ
C11
C19
R20
C25
.1µF
221k
.1µF
3300µF
R9
R15
1k
18.2k
U8
3
5
IN
TAB
OUT
___
2
ON/OFF
R21
4
GND
ADJ
10k
C12
C20
C26
.1µF
.1µF
3300µF
R22
1.82k
R14
1k
16
L1
+3.3V BU
C27
470µF
L2
+5V D
C28
470µF
L3
+5V
C29
470µF
L7
+3.3V
C30
470µF
L4
+V PC
C31
470µF
L5
+15V
C32
220µF
L6
-15V
C33
220µF

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