McIntosh MHT200, Service Manual

Page: 31 / 60

MAIN AUDIO
320165 SH 1 OF 7
10
59 60
MHT200
AInL2
AInR2
AInL4
AInR4
AInL3
AInR3
Audio In 4 (sat)
Audio In 3 (CD)
AInL5
AInR5
Audio In 5 (tv)
AInL6
AInR6
Audio In 6 (DVD)
3
2
1
8
4
IC2A
TL072
-15A
R74 20k
R72
20k
C79 33p
AInL1
R6
100k
C4
Not Installed
C14
Not Installed
+15A
5
6
7
IC2B
TL072
R76 20k
R75
20k
C80 33p
AInR1
R10
100k
Audio In 1 (external/internal tuner)
C35
10u
C36
10u
3
2
1
8
4
IC5A
TL072
-15A
R73 20k
R71
20k
C78 33p
R5
100k
C12
Not Installed
C20
Not Installed
+15A
5
6
7
IC5B
TL072
R87 20k
R85
20k
C87 33p
R18
100k
Audio In 2 (aux)
C32
10u
C42
10u
3
2
1
8
4
IC7A
TL072
-15A
R84 20k
R83
20k
C85 33p
R17
100k
C18
Not Installed
C21
Not Installed
+15A
5
6
7
IC7B
TL072
R88 20k
R86
20k
C89 33p
R19
100k
C41
10u
C44
10u
3
2
1
8
4
IC10A
TL072
-15A
R93 20k
R91
20k
C84 33p
R22
100k
C27
Not Installed
C28
Not Installed
+15A
5
6
7
IC10B
TL072
R96 20k
R95
20k
C92 33p
R24
100k
C47
10u
C49
10u
3
2
1
8
4
IC11A
TL072
-15A
R94 20k
R92
20k
C91 33p
R23
100k
C26
Not Installed
C31
Not Installed
+15A
5
6
7
IC11B
TL072
R97 20k
R101
20k
C93 33p
R28
100k
C48
10u
C53
10u
3
2
1
8
4
IC12A
TL072
-15A
R99 20k
R98
20k
C94 33p
R26
100k
C29
Not Installed
C30
Not Installed
+15A
5
6
7
IC12B
TL072
R102 20k
R100
20k
C95 33p
R27
100k
C50
10u
C51
10u
1
2
3
4
5
6
Shield
7
X2
HSP-244V4-17
1
2
3
4
5
6
Shield
7
X5
HSP-244V4-17
1
2
3
4
5
6
Shield
7
X6
HSP-244V4-17
TunerL
TunerR
2
1
KP1
2
1
KP2
2
1
KP3
2
1
KP4
2
1
KP9
2
1
KP10
2
1
KP11
2
1
KP12
2
1
KP13
2
1
KP14
2
1
KP15
2
1
KP16
+15A
-15A
C126
100n
C128
100n
C129
100n
C130
100n
C236
10u
C238
10u
3
2
1
8
4
IC15A
TL072
-15A
R35 100k
R34
100k
C97 33p
+15A
5
6
7
IC15B
TL072
R33
100k
R32
100k
C96
33p
ListenL
ListenR
C259
Not
Installed
C258
Not
Installed
Zone A Out
C56
10u
C57
10u
Zone A L Out
Zone A R Out
Rec VCR1 L Out
Rec VCR1 R Out
3
2
1
8
4
IC24A
Not Installed
5
6
7
IC24B
Not Installed
-15A
C124
Not Installed
C125
Not Installed
R163
Not
Installed
R164
Not
Installed
R104
10k
R106
10k
Mute2
Mute1
1
3
2
Q2
Not
Installed
1
3
2
Q3
Not Installed
R170
Not Installed
R167
Not Installed
+15A
D3
Not Installed
MuteTrA
MuteTrB
R177
Not Installed
R179
Not Installed
+15V_Mute
R105
Not Installed
-15A
R107
Not Installed
Vref =1.75V
C269
Not Installed
25V
Check footprint!!!
MuteTrA
MuteTrB
-15A
C261
Not
Installed
C260
Not
Installed
Mute Driving
RecVCR1L
RecVCR1R
1
2
3
4
5
6
Shield
7
X7
HSP-244V4-17
R1
56R
R2
56R
R11
100k
R13
100k
R15
100k
R16
100k
2
1
KP18
2
1
KP17
2
1
KP19
2
1
KP20
Note: Fixed, feeds an external processor.
Hence no mute circuitry.