McIntosh MHT200, Service Manual

Page: 39 / 60

MULTI CHANNEL
320169 SH 1 OF 6
11
75 76
MHT200
SERIN
14
SRCLK
11
SRCLR
10
RCLK
12
G
13
Q0
15
Q1
1
Q2
2
Q3
3
Q4
4
Q5
5
Q6
6
Q7
7
SEROUT
9
VCC
16
GND
8
IC34
74HC595
+5D
C213
100n
McMosi
McSClk
McLatchOut
+5D
R169
10k
R172
10k
R163
10k
R159
10k
Chip select & mute registers
SERIN
14
SRCLK
11
SRCLR
10
RCLK
12
G
13
Q0
15
Q1
1
Q2
2
Q3
3
Q4
4
Q5
5
Q6
6
Q7
7
SEROUT
9
VCC
16
GND
8
IC29
74HC595
C212
100n
+5D
McSClk
McLatchOut
+5D
McCsEnable
McVCMute2
McVCMute3
McVCMute4
R165
10k
R164
10k
R170
10k
McSwCs
McVolCS4
McVolCS3
McVCMute1
McVolCS2
McVolCS1
R167
10k
R161
10k
R156
10k
R155
10k
R160
10k
R162
10k
1G
1
1A1
2
1Y1
18
1A2
4
1Y2
16
1A3
6
1Y3
14
1A4
8
1Y4
12
VCC
20
GND
10
2A1
17
2Y1
3
2A2
15
2Y2
5
2A3
13
2Y3
7
2A4
11
2Y4
9
2G
19
IC30
74HC244
bb_BusSlot_select3
C211
100n
+5D
bb_BusSck
bb_BusMOSI
bb_BusOut1
bb_BusOut2
Slot 3 buffer (multichannel)
McLatchOut
McMosi
McSClk
McCsEnable
Cntrl buss
McSClk
TP1
R166
10k
PRE
10
CLK
11
D
12
CLR
13
Q
9
Q
8
IC32B
74HC74
+5D
McLatchOut
EnMc
bb_Reset
EnMc
JackSw Out1
McVCMute5
McVolCS5
R63
10k
3
2
1
8
4
IC1A
TL072
-15A
R6
20k
R10
10k
R14
100k
C17
Not Installed
C18
Not Installed
+15A
3
2
1
8
4
IC11A
TL072
R7
20k
R11
10k
C3
100p
R15
100k
L In
5
6
7
IC1B
TL072
-15A
R44
20k
R40
10k
R32
100k
C68
Not Installed
C60
Not Installed
+15A
5
6
7
IC11B
TL072
R43
20k
R39
10k
C77
33p
R29
100k
LS In
3
2
1
8
4
IC12A
TL072
-15A
R46
20k
R42
10k
R36
100k
C52
Not Installed
C69
Not Installed
+15A
5
6
7
IC12B
TL072
R45
20k
R41
10k
C79
68p
R33
100k
R In
RS In
C In
Sw In
C1
100p
C78
33p
C80
150p
External 7.1 Inputs
+15A
-15A
C2
100n
C12
100n
C72
100n
C55
100n
C73
100n
C56
100n
R1
0R
R2
0R
R50
0R
R49
0R
R52
0R
R51
0R
C63
10u
C64
10u
C61
10u
C62
10u
C13
10u
C11
10u
3
2
1
8
4
IC2A
TL072
-15A
R8
20k
R12
10k
R16
100k
C22
Not Installed
C23
Not Installed
+15A
5
6
7
IC2B
TL072
R9
20k
R13
10k
C6
33p
R17
100k
BL In
BR In
C4
33p
R3
0R
R4
0R
C16
10u
C14
10u
Note 1
SCLK
1
Din
3
Dout
22
CS
24
NO0
5
NO1
7
NO2
9
NO3
11
NO4
14
NO5
16
NO6
18
NO7
20
COM0
6
COM1
8
COM2
10
COM3
12
COM4
13
COM5
15
COM6
17
COM7
19
GND
4
V-
21
V+
2
Vl
23
IC9
MAX335EWG
McSwCs
McMosi
McSClk
+5D
R30
220k
R31
220k
R20
220k
R19
220k
Multichannel switching, left channel
+5D
SCLK
1
Din
3
Dout
22
CS
24
NO0
5
NO1
7
NO2
9
NO3
11
NO4
14
NO5
16
NO6
18
NO7
20
COM0
6
COM1
8
COM2
10
COM3
12
COM4
13
COM5
15
COM6
17
COM7
19
GND
4
V-
21
V+
2
Vl
23
IC10
MAX335EWG
McSwCs
McSClk
McMosi
Multichannel switching, right channel
R34
220k R35
220k R22
220k R21
220k
C40
100n
C43
100n
+15A
C54
10u
C39
10u
C35
100n
C44
100n
+15A
C48
10u
C33
10u
Sw_L
Sw_C
Sw_R
Sw_Ls
Sw_Rs
Sw_Lb
Sw_Rb
Ext_L
Ext_C
Ext_R
Ext_Ls
Ext_Rs
Ext_Lb
Ext_Rb
Ext_Sw
Vol_L
Vol_C
Vol_R
Vol_Ls
Vol_Rs
Vol_Lb
Vol_Rb
Vol_Sw
Ext_L
Ext_C
Ext_R
Ext_Ls
Ext_Rs
Ext_Lb
Ext_Rb
Ext_Sw
Main_Sw Note label >
BP_BLIn
BP_SWIn
BP_CIn
BP_RSIn
BP_LSIn
BP_LIn
BP_RIn
BP_BRIn
-15A
-15A