Sharp 1-BIT AMPLIFIER SM-SX1 Service Manual page 16

SM-SX1/SX1W
A C801
47/10
C802
0.1
RSTN
RSTN
23
R801
VDDA
24
10
R803
CTLN
25
3.3K
PCO
26
NC (NC)
27
CTLP
28
VSSA
29
B
C800
TSTN
0.0047 NC 30
KM2
31
R802
KM0
32
10K
FS1
FS1
33
C
L800
L813
8 7 6 5
D
1 2
C851
R867
0.0022
3.9K
E
L801
F
G
5 4 3 2 1
5 4 3 2 1
CNP903
H
TO MICROCOMPUTER PWB
P23 12-F
• NOTES ON SCHEMATIC DIAGRAM can be found on page 32.
1
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C815
TP1 22P
TP2 C816
X800
11.2896MHz
22 21 20 19 18 17 16 15 14 13 12
SKSY 11
MCA
10
MCB 9
IC800
WC 8
YM3436D
MCC
7
DIGITAL
SYNC 6
INTERFACE
OPT 5
RECEIVER
VFL 4
DOUT
3
2
HDLT
1
DAUX
36
34 35 37 38 39 40 41 42 43 44
C805
22P
C806
R814
22P
10K
C807
22P
R815
56
1 2 3 4 6
5 7 8
3 4
42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27
R824
56
C812
0.1
8 7 6 5
1 2 4
3
IC804,IC806,IC807:CONTROL
BI800
CNS903
2 3
Figure 16 SCHEMATIC DIAGRAM (3/10)
IC810:PC CONTROLL
IC810
TC7WU04F
VDD
1 8
2
22P 7
3
6
4
GND 5
R821
C846
10K
0.1
R819
NC
1K
R820
1K
R816
NC
1K
NC
NC
R817
NC
1K
R818
10K
C823
C817
47/10
0.1
21
9 10 11 12 13 14 15 16 17 18 19 20
26 25 24 23 22
C818
0.1
C831
R825
22P
100K
C828
C821
0.01
47/10
4 6 2 1 3
14 5
12 13 11 10 9 8 7
R870
680
9 8 14 13 11
14 10 12 13 11 12
4 2 1 7 2 1
5 6 3 3
IC805,IC809:WAVEFORM
4
– 16 –
44 43 42 41 40 39 38 35 34
37 36
1 DI
2
DI
3 BCKI RSTN
4 RSTN
BCKI
IC801
5 LRCI TST2N
SM5844AF
6 ICLK TST1N
SAMPLING RATE
7 ICKSL STATE
NC 8 CONVERTER
IFM1
NC 9
IFM1
10 IFM2 OW20N
11 IFM2 OW20N
C833
12 13 14 15 16 18 19 20 21 22
17
0.1
C834
47/10
L808
R827
1k
IC802:INVERTER
VDD
1 8
2 7
6
3
5
4 GND
IC802
TC7W04F
C830
0.1
L+
14 13 12 11 10
1 2 5
3 4
R838
1K
L–
L810
CK
R–
10 9 8 14 13 12 11 10
4 6 1 2 3
5 7 4
R+
RECTIFICATION
5 6
VSS 33
VSS 32
D
31
D
30
29 NC
28 NC
27 NC
C
4.
26
IISN
25
IISN
24
23
L806
R839
1K
9 8
6 7
9 8
6
5 7