Sharp XL-30H Service Manual page 28

XL-30H/30W
A
CD SIGNAL
PU_IN
1
CD_STB
2
BUS0
3
BUS1
4
BUS2
5
BUS3
B 6
BUCK
7
CCE
8
9
10
C
R817
1K
D
C833
470P
R815
10K
C831
10/16
E
R819
220
F
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 19.
• The numbers 1 to 17
1
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CLID_SW
R813
10
+B
R818
C824
1K
0.056
C825
0.056
C834
470P
X801
16.93MHZ
R816
10K
C832
10/16
80 79 78 77 76 75 74 73 72 7170 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
0V
DVSR
81
82
RO 2.4V
C830 C828
17
83
DVDD 0V
0.056 100/10
84
DVR 2.3V
85
LO 2.4V
16
86
DVSL 0V
C840
87 NC
TEST1 5V
100/10
C862
88
NC 5V
TEST2
0.0022
89
NC TEST3 5V
90
BUS0 4.3V
SERVO/SIGNAL CONTROL
91
BUS1 4.3V
92
BUS2 4.3V
C835
93
BUS3 4.3V
0.056
94
VDD
5V
95
VSS
0V
96
BUCK 4V
97
/CCE 3.3V
98
5V TEST4
NC
5V
99
NC
/TSMOD
100
/RST
C837 4.9V
470P 1 2 3 4 5 6 7 8 9 10
+B
are waveform numbers shown in page 37.
2 3
Figure 28 SCHEMATIC DIAGRAM (5/6)
C823
0.01
C822
220/10
4
15
14
1
6
7
IC802
5
TC9462F
11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
13
C820
C829
C838
0.01
100/10
47/10
4
– 28 –
R814
3.3K
R812
C819 C821
3.3K
0.1 0.1
C818
0.1
C817
R811
0.1
2.2K
R810
3.3K
VREF C810
50
2.1V 0.001
R809 C811
49
2.1V TRO
10K 47/10
11
48
2.2V FOO
R808
C809
47
2.2V TEZI
3.3K
0.0047
46
2.2V TEI
2.1V 45
TSIN
44
2.1V SBAD
43
2.2V FEI
C807
42
2.1V RFRP
0.033
41
2.1V RFZI
R807
40
2.1V RFCT
10K
39
5V AVDD
C806
2.1V 38
RFI
0.0047
C805
37
2.1V SLCO
0.0027
36
0V AVSS
C804
35
1.4V VCOF
0.01
VCOREV
34
2.1V
PVREV C803
2.1V 33
47/10
LPFO
32
2.1V
LPFN
31
2.1V
R806
C802
12 15K 0.015
28 29 30
R804
100K
R801
R802
10K 47K
C801
100P
+B
5 6
L803
10µH
C863
470P