Sharp XL-1500W Service Manual page 27

Compact audio system
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+B
A3.3V
C817
R818
22P
10K
C818
R821
C824
0.1
8.2K
0.1
9
816
00
C819
C825
RFGO
100/10
47/10
10
VREF
7
K
TEO
5
+B
+B
ZD801
DZ5.1BSB
7
CD SIGNAL
+B
12
13
C835
47P
(CH)
R833
R829
5.6K
47K
TMAX
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
R832
150K
0V
17
1.2V
18
LPFN
3.2V
19
LPFO
1.6V
20
PVREF
C832
0V
21
VCOF
0.01
0V
22
AVSS
C833
IC801
0V
23
SLCO
C828
0.0027
1.6V
TC94A14F
24
RFI
0.01
3.3V
SERVO/SIGNAL
25
AVDD
R827
10K
1.6V
26
RFCT
CONTROL
C829
1.6V
27
RFZI
0.033
7
0.7V
28
RFRP
1.6V
29
FEI
6
0.6V
4
15
30
SBAD
1.6V
31
TEI
1.6V
32
TEZI
1
C836
0.033
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
FOO
1.6V
TRO
R831
4.7K
C837
11
0.047
C843
0.047
C841
0.1
+B
R835
390K
D801
1N4148
+B
8
9
Figure 27 SCHEMATIC DIAGRAM (4/8)
R848
R849
R870
10K
R841
10K
R842
10K
R843
10K
R844
10K
5V
+B
5.2V
VDD
64
5V
63
RST
4.5V
C860
62
CCE
5V
R850
1K
0.1
BUCK
61
R851
1K
5V
BUS3
60
R852
1K
5V
59
BUS2
R853
1K
5V
BUS1
58
R854
1K
5V
57
BUS0
0V
U-COM
56
VSS
ZDET
55
C853
0V
DVSS
54
10/16
LO
53
16
C856
1.6V
52
DVR
L852
100/16
+B
3.3V
14
DVDD
51
17
C854
100mA
RO
50
10/16
49
DVSS
0V
L851
100mA
C852
15P
(CH)
C858
0.022
C857
100/10
+B
C855
C859
0.022
12P
(CH)
C872
0.022
+B
D802
1N4148
C850
47/10
10
– 27 –
CD_STB
1K
CD_RES
1K
CCE
BUCK
BUS3
BUS2
BUS1
BUS0
PU_IN
GVSW
CNP704
R855
1K
DOUT
GND
+B
5V
CNP804
L808
CNW803
CORE
R861
CD_L
1
10K
A_GND
2
R862
CD_R
3
10K
+B
CD_7.2V
CD_12V
CD+B
L853
CD_GND
100mA
M_GND
CNW805
Q808
KTC3199 GR
+B
+B
R863
10
R864
100
2
1
C869
3
Q809
KRA102 M
100/10
2
C870
1
0.022
Q810
3
KRC107 M
D803
1N4148
D804
1N4148
D805
1N4148
D806
CNW808
1N4148
11
XL-1500W
10
9
8
7
6
5
4
3
2
1
4
3
2
1
1
2
3
1
1
2
2
3
3
4
4
5
5
1
1
2
2
12

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