Akai ACR-127MMC Service Manual page 28

Cd/mp3–reciver
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SCHEMATIC DIAGRAM (CD SERVO BOARD)
101 NPO
C76
10K
R100
0R
R86
102 NPO
C77
0R
R87
101 NPO
C78
10K
20K
R101
102 NPO
C79
104
C75
1
L_CH_OUT
2
AGND
3
R_CH_OUT
4
USB_5V
5
nRESET
6
M_RXD
7
M_TXD
8
MAIN_8V
9
GND
10
SENS1IN
SENS_O
11
SENS1O
SENS_IN
12
M_CE
13
L_CHO_ADC
14
ENC_GND
15
R_CHO_ADC
6.2V
ZD6
6.2V
ZD7
10uF
EC16
6.2V
ZD2
6.2V
ZD3
6.2V
ZD4
6.2V
ZD5
C58 101P NPO
1
32
FWD
REV
2
31
OPIN1+
OPIN4+
22K
R54
3
30
OPIN1-
OPIN4-
4
29
OPOUT1
OPOUT4
5
28
OPEN
C59
OPIN2+
OPIN3+
6
27
OPIN2-
OPIN3-
7
26
OPOUT2
OPOUT3
R88
8
25
MSC
REB
C60 101P NPO
15K
R55
33
34
PGND
PGND
OPEN
C61
9
24
GND
REGO
10
23
VCCI
MUTE
11
22
VOL-
BIAS
12
21
VOL+
GND1
104
C64
13
20
VO2-
VO3-
14
19
VO2+
VO3+
15
18
VO1-
VO4-
16
17
VO1+
VO4+
33P NPO
33P NPO
13
VA
6
VD
3
VL
nTRST
EJEND
CD_LOCK
NOR_nCE
CDP_nRST
SD_CKE
SD_CLK
SD_nCS
USB_DETECT
MMC_CD
CDP_INTQ
CD_CE
DECK_OPTION
SLED_ORG
nRESET
1K
R71
1K
R72
1K
R73
1K
R74
28
1
LD
2
PD
3
PN
4
SVCC
AVDD
5
DGND
6
RFOK
RFOK
7
CDP_INTQ
INTQ
8
CDP_nRST
RST
9
CDP_A0
A0
10
CDP_nSTB
STB
11
CDP_SCK
SCK
12
CDP_SO
SD
13
CDP_SI
SI
14
VCC
DVCC
15
AVCC
DAVDD
16
ROUT
10uF
EC8
17
DAGND
18
REGC
19
DAGND
103
C52
20
LOUT
21
AVCC
DAVDD
22
XVCC
XVDD
23
XTAL1
24
XTAL2
25
XGND
99
TDI
TDI
100
TMS
TMS
101
TCK
TCK
102
TDO
TDO
103
nTRST
74
XIN
75
XOUT
78
XFILT
69
XTIN
70
XTOUT
47
nCS[0]/ND_nOE[0]/GPIO_B[2]
48
nCS[1]/ND_nOE[1]/GPIO_B[3]
49
nCS[2]/ND_nOE[2]/GPIO_B[4]
50
nCS[3]/ND_nOE[3]/GPIO_B[5]
57
ND_nWE/GPIO_B[7]
58
nWE
nWE
59
nOE
nOE
56
SD_CKE/GPIO_B[0]
44
SD_CLK
46
SD_nCS/GPIO_B[1]
121
EXINT[0]/GPIO_A[12]
122
EXINT[1]/GPIO_A[13]
123
EXINT[2]/GPIO_A[14]
124
EXINT[3]/GPIO_A[15]
82
ADIN[0]
83
ADIN[2]
84
ADIN[4]
72
nRESET
73
READY/MODE[0]
98
MODE[1]
C31
2P NPO
C30
3P NPO
R21
1K2
C22
47P NPO
75
RF2-
74
RF-
C23
20P NPO
73
EQ1
72
R22
1K2
EQ2
71
RFI
C25
560P NPO
70
ADVDD
SVCC
69
ASY
68
EFM
67
R23
10K
R10
10K
ADGND
66
TEST0
65
TEST1
64
TEST2
63
TEST3
62
TEST4
61
TESTEN
60
DGND
SVCC
R24
10K
R11
10K
59
MD-
58
MD+
R25
10K
57
SD-
56
SD+
55
TD-
54
TD+
53
FD-
52
FD+
51
DVDD
VCC
SVCC
SVCC
SVCC
64
VDD3_USB
112
VDDIO_0
76
VDDIO_1
33
VDDIO_2
16
VDDIO_3
89
PKG1
119
VDD_COR_0
109
VDD_COR_1
87
VDD_COR_2
41
VDD_COR_3
24
VDD_COR_4
7
VDD_COR_5
77
VDDA_PLL
71
VDD_OSC
81
VDDA_ADC
97
VSS3D_0
65
VSS3D_1
45
VSS3D_2
32
VSS3D_3
1
VSS3D_4
120
VSS2D_0
110
VSS2D_1
88
VSS2D_2
55
VSS2D_3
25
VSS2D_4
8
VSS2D_5
86
VSS_ADC_0
85
VSS_ADC_1
80
VSS_PLL_0
79
VSS_PLL_1

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