McIntosh MP1100 - Page 22

39 40
DIGITAL 752027 SCH 1 OF 4
5
+3. 3VAD C
DM
16
VD D 33
13
VD D 33
14
DS D _128_FLAG
11
VD D 18
8
SOF_FLAG
9
SPDIF _RX
6
VD D 18_LDO
3
VD D 33
4
VD D 33_LDO
1
TEST 6
64
TEST 3
61
TEST 4
62
TEST 1
59
VD D33
56
REF CLKI N
57
SC L_S
54
AM CLK
51
VD D33
52
ABC LK
49
GPIO4
33
GPIO 7
36
GPIO6
35
RESET N
38
SDA_M
41
SCL_M
40
VDD 18
43
DM C L K
46
DDA TA /DSD_LE FT
45
SPDIF_TX
48
DP
15
VD D 33
7
GN D
5
RE X T
12
DS D _FLAG
10
GND _LDO
2
GN D
17
VD D18
20
XO
19
GN D
22
GN D
25
VD D33
24
GPI O0
27
GPI O1
30
VD D33
29
GPI O3
32
GPIO 5
34
GPIO8
37
VDD 33
39
DBC LK /DSD _CLK
42
VDD 33
44
DLRCK /DSD_R IG HT
47
TEST 5
63
VD D18
58
ALR CK
53
TEST 2
60
SD A_S
55
AD AT A
50
X1
18
GN D
23
VD D18
28
VD D33
21
VD D33
26
GPI O2/ U SB(H S/FS)SEL
31
U36
47.5
R77
47.5
R78
6
4
2
3
5
1
PW R
D-
D+
GN D
CASE
CASE
J14
D25 D26
.1µF
C91
L10
L9
10µF
C89
.1µF
C83
22.1
R84
10µF
C81
.1µF
C87
.1µF
C93
.1µF
C86
.1µF
C82
.1µF
C85
12pF
C74
12pF
C72
.1µF
C80
270R96
10k
R97
10kR98
10k
R99
100
R91
100
R92
10k
R88
10k
R89
10k
R87
4
2
1
3 5
Vcc
GND
U37
100
R76
22.1
R83
47.5k
R81
.1µF
C77
L8
.1µF
C71
100µF
C79
WP
7
SC L
6
VC C
8
SD A
5
A1
2
A2
3
A0
1
GN D
4
U35
24MHz
31
Y2
100µF
C84
REF
9
NC
10
NC
11
GND2
12
VDD2
13
S3
14
NC
15
XIN
16
XOUT
1
S0
2
S1
3
S2
4
VDD1
5
GND1
6
NC
7
CLK
8
U32
10k
10k
10k
R93
10k
R90
10k
R82
10k
R85
90OHM
L7
10k
R86
.1µF
C75
+3. 3VAD C
+3. 3VAD C
+3. 3VAD C+1. 8VU SB
12M Hz
USB DP
USB DM
HSD 2+
3
D+
4
D-
6
GN D
5
SEL
1
HSD 1-
8
HSD 1+
2
HSD 2-
7
OE
9
VD D
10
U34
USB1 -
USB1 +
.1µF
C88
USB SW
+3. 3VBU
USB SW ITCH
0
1
MAIN MICRO
USB AUDIO
+3. 3VAD C+3. 3VAD C+3. 3VAD C
DA RST
USBA +
USBA -
USB
CLOCK GENERATOR
1000pF
C73
10µF
C92
1
0 NO USB
USB
IN
ON/OFF
OUT
GND ADJ
___
TAB
1
6
2
3
4 5
U38
150k
R102
49.9K
R100
220µF
C95
.01µF
C94
ADC PS
+5VAD C
IN
ON/OFF
OUT
GND ADJ
___
TAB
1
6
2
3
4 5
U33
56.2k
R80
33.2k
R79
220µF
C78
.01µF
C76
ADC PS
+3. 3VAD C
MC L K
12
BIC K
13
SDTO 1
15
OVF
17
SDM 1
18
SDFIL
20
MSN
22
VREFH L
43
VR EFLL
44
AVD D
41
TOU T
38
VC O M
39
AVSS
36
VREFLR
34
DVSS
11
PD N
9
CKS0
6
CKS1
7
AVSS
4
LIN+
1
LIN-
2
CKS2
8
DVD D
10
LRCK
14
TEST 1
3
HPF E
5
SDTO 2
16
SDM 2
19
DIF
21
AVSS
42
VREFH R
35
AVD D
37
TEST3
40
DVSS
23
TDMIN1
25
TDM0
27
TDM1
28
AVSS
30
RIN-
32
RIN+
33
DVD D
24
TDMIN2
26
MON O
29
TEST 2
31
U39
.01µF
C108
R ADC +
R ADC -
.01µF
C97
L ADC-
L ADC+
+5VAD C
100µF
C105
.1µF
C104
10
R107
.1µF
C99
10µF
C98
10µF
C100.1µF
C101
+3. 3VAD C
OVF
+3. 3VAD C
ANS
13
BLS
14
CKS1
16
VSS
18
TXN
19
DIF0
21
DIF2
23
U1
24
CKS0
15
VDD
17
TXP
20
DIF1
22
FS3/CDTO
11
C1
12
FS1/CDTI
9
BICK
6
LRCK
7
MCLK
4
TRANS
2
V1
1
SDTI
5
FS0/CSN
8
FS2/CCLK
10
PDN
3
U40
2
1
3
4
E/DVDD
OUT GND
24. 5760
Y3
4.75k
R105
47.5
R104
.1µF
C111
+5V
4.75k
R108
4.75k
R109
L12
+3. 3VAD C
4.75kR106
+5V
OPEN
R103
1 3
42
T2
D27
.1µF
C106
.1µF
C112
332
R110
100
R111
100µH
L11
10µF
C103
.1µF
C102
+5V
1
3 5
2 4
J15
1
3
2
GND
VCC
INPUT
OPT1
.1µF
C110
10µF
C109
+3. 3VAD C
SPDIF OUT
+8V +8V
+5VAD C
DA 192
MCLK
BC LK
SD AT A
LR CK
.01µF
C96
.01µF
C107
B
6
1
DS1:3
33.2k
R101
USB RST
OPEN
C117
OPEN
C116
.1µF
C115
.1µF
C114
.1µF
C113
4
2
1
3
Vcc
GND
5
U42
+3. 3VAD C
10µF
C90
.1µF
C120
.1µF
C121
.1µF
C122
+3. 3VAD C
OPEN
R122
47.5
R123
1000pF
C123
1000pF
C124
1000pF
C125
1000pF
C126
L34 L35
L36 L37
10µF
C129
OPEN
R125
USB ENA
R94
R95