Sharp CD-DVD500 Service Manual page 27

Dvd mini component system
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R3743
R3739
1.5K
4.7K
R3746
718
R3721
100K
15
2.2K
132
131
130
129
128 127
126 125
124
133
R3724
720
100K
068
LPFO
134
PVREF
135
133
LPFN
VCOREF
136
C3735
0.01
VCOF
137
PVDD
138
C3730
0.1
RFOn
139
TESM9
4
140
3
TEST2
141
RFCD
142
RFDVD
143
5
+B
AVDD
144
RFCT
145
3
RFZI
146
TEZI
147
AWIN
148
AVSS
149
FEI
150
TEI
151
LVL
152
C3734
RFRP
153
560P
AVSS
154
TESM10
155
EXTAD
156
2
VREF
157
C3729
0.0047
158
FOO
R3727
330
TRO
159
R3728
330
AVDD
160
R3729
39K
AWCTL
161
3
R3730
27K
FMO
162
15
R3731
27K
163
DMO
TEBC
164
R3732
10K
NC(FEBC)
C3723
165
0.1
DPDC
166
R3734
10K
EQBC
167
R3735
10K
ANMON
168
R3736
10K
/DFCT
169
VRCK
170
R3725
1K
VSS3
171
R3718
150
SCD
172
176
ASLCP
R3719
150
SCL
173
R3720
150
SCB
174
FGIN
C3732
175
0.1
176
C3733
1
2
3
4
5
6
7
8
9
0.1
+B
C3742
0.1
• The numbers
2
to
6
7
IC3702
IX0447AW
4M EDO RAM
+B
123
122 121 120
119 118
117 116
115
114
113
112 111
110
IC3701
TC94A03F
SERVO ECC
10
11
12
13
14
15
16
17
18
19
20
21
22
23
R3754
1M
R3755
470
+B
C3746
0.1
+B
are waveform numbers shown in page 58.
8
Figure 27 SCHEMATIC DIAGRAM (2/18)
40 39 38 37 36 35 34 33 32 31 30
1 2 3 4 5 6
7 8 9
10 11
+B
109
108
107
106 105
104 103
102 101
100
99
98
97
24
25
26
27
28
29
30
31
32
33
34
35
36
+B
+B
+B
9
10
– 27 –
29 28 27 26 25 24 23 22 21
C3752
0.1
12 13 14 15 16 17 18 19 20
+B
+B
+B
C3753
0.1
+B
96
95
94
93
92
91
90
89
DADR8
BA8
88
DADR7
BA7
87
DADR6
BA6
86
DADR5
BA5
85
DADR4
BA4
84
VSS5
83
DADR3
BA3
82
DADR2
BA2
81
DADR1
BA1
80
DADR0
BA0
79
C3756
0.1
VDD3
78
TESM4
77
DIGI
76
TESM3
75
VDD5
74
C3757
0.1
PDCK
73
SDCK_I
/PDRQ
72
/SVAL_I
/PSYC
71
/SOSO_I
PD8
70
/ERR_I
PD7
69
SD7_I
PD6
68
SD6_I
PD5
67
SD5_I
VSS3
66
PD4
65
SD4_I
PD3
64
SD3_I
PD2
63
SD2_I
PD1
62
SD1_I
VSS5
61
PD0
60
SD0_I
+B
VDD3
59
VMCK
58
C3759
0.1
SMCK
57
NC
56
C3758
0.1
NC
55
VDD5
54
MD7
MD7
53
MD6
MD6
52
MD5
MD5
51
MD4
MD4
50
MD3
MD3
49
/MINT
45
MD2
MD2
48
MD1
MD1
47
MD0
MD0
46
45
37
38
39
40
41
42
43
44
+B
TE
LVL
RFRP
CHOP
DVD_L
MUTE
IN_SW
LD_RVS
LD_FWD
+B
+B
CAM_SW
DISC1_SW
DVD_FUNC
11
CD-DVD500
SDCK_I
SDCK_I
1
/SVAL_I
2
/SVAL_I
/SOSO_I
3
/SOSO_I
/ERR_I
4
/ERR_I
SD0_I
5
SD0_I
SD1_I
6
SD1_I
SD2_I
SD2_I
7
SD3_I
8
SD3_I
SD4_I
SD4_I
9
SD5_I
10
SD5_I
SD6_I
11
SD6_I
SD7_I
12
SD7_I
/SRV_INT
13
/SRV_INT
/SRV_CS
14
/SRV_CS
/SRV_RST
15
/SRV_RST
/WR
+B
16
/WR
/RD
17
/RD
/MA
18
/MA
MD0
MD0
19
MD1
20
MD1
MD2
21
MD2
MD3
22
MD3
MD4
23
MD4
MD5
24
MD5
MD6
MD6
25
MD7
26
MD7
+B
27
TE
28
LVL
29
RFRP
30
CHOP
31
DVD_L
MUTE
32
33
IN_SW
34
LD_RVS
35
LD_FWD
+B
36
D_3.3V
+B
37
A_3.3V
+B
38
A_5V
+B
39
D_5V
+B
40
AT_8V
41
D_GND
42
M_GND
43
A_GND
44
CAM_SW
45
DISC1_SW
46
DVD_FUNC
12

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