Sharp XL-40H Service Manual page 28

XL-40H/50H
A
CD SIGNAL
PU_IN
1
CD_STB
2
BUS0
3
BUS1
4
BUS2
5
BUS3
6
B
BUCK
7
CCE
8
9
10
C
D
E
F
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 18.
1
CLID_SW
R813
10
+B
R817 R818
1K 1K C824
0.056
C825
0.056
C833 C834
470P 470P
X801
16.93MHZ
R815 R816
10K 10K
C831 C832
10/16 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
0V
DVSL
C840
87 NC
TEST1 5V
100/10
C862
88
R819
NC TEST2 5V
0.0022
220
89
5V
NC TEST3
90
BUS0 4.3V
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
NC TEST4
5V
99
NC
/TSMOD
100
/RST
C837
4.9V
470P
2 3 4 6
1 5
+B
2
Figure 28 SCHEMATIC DIAGRAM (5/6)
C823
0.01
C822
220/10
IC802
TC9462F
SERVO/SIGNAL CONTROL
8
7 9 10 11 12 13 14 15 16 17 18 19 20 21
13
C820
C829
0.01
100/10
3 4
– 28 –
R814
3.3K
R812
3.3K C819 C821
0.1 0.1
C818
0.1
C817
4
R811
0.1
2.2K
15
R810
3.3K
VREF
50
2.1V
R809
49
2.1V TRO
10K
11
48
2.2V FOO
R808
14
1
47
2.2V
TEZI 3.3K
46
TEI
2.2V
6
45
2.1V TSIN
44
2.1V SBAD
7
43
2.2V FEI
5
42
2.1V RFRP
41
2.1V RFZI
40
2.1V RFCT
39
5V AVDD
38
2.1V RFI
37
2.1V SLCO
36
0V AVSS
C804
1.4V VCOF 35
0.01
VCOREV
34
2.1V
PVREV
2.1V 33
LPFO
32
2.1V
LPFN
31
2.1V
R806
15K
12
22 25 26 27 28 30
23 24 29
R804
100K
R802
R801
47K
10K
C801
100P
C838
47/10
5
L803
10µH
L8
10
C810
0.001
C811
47/10
C809
0.0047
C807
0.033
R807
10K
C806
0.0047
C805
0.0027
C803
47/10
C802
C863
0.015
470P
+B
6