Sampling Rate - Sharp SM-SX1 Service Manual

SM-SX1/SX1W
A C801
47/10
C802
0.1
RSTN
R801
10
R803
3.3K
B
C800
0.0047
R802
10K
FS1
C
L800
L813
D
R867
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
22 21 20 19 18 17 16 15 14 13 12
23 RSTN
VDDA
24
CTLN
25
IC800
PCO
26
YM3436D
NC 27 (NC)
DIGITAL
28 CTLP
INTERFACE
29 VSSA
TSTN RECEIVER
NC
30
KM2
31
KM0
32
FS1
33
36
34 35 37 38 39 40 41 42 43
C805
22P
C806
22P
C807
22P
R815
56
1 2 3
8 7 6 5
1 2 3 4
42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27
C851
R824
0.0022
56
8 7 6 5
2
1 3
IC804,IC806,IC807:CONTROL
BI800
CNS903
2
Figure 16 SCHEMATIC DIAGRAM (3/10)
IC810:PC CONTROLL
IC810
C815
TC7WU04F
TP1 22P
VDD
TP2 C816
1
2
22P
X800
11.2896MHz 3
4 GND
R821
C846
10K
0.1
SKSY
11
MCA
10
R819
NC
MCB 9
1K
R820
WC 8
1K
MCC
7
R816
SYNC
6 NC
1K
OPT 5 NC
VFL 4
NC
DOUT
3
R817
2 NC
HDLT
1K
DAUX 1
44
R818
10K
C817 C823
R814
0.1 47/10
10K
4 6
5 7 8 9 10 11 12 13 14 15 16 17 18
25 24 23 22
26
C818
0.1
C812
0.1
C821
47/10
14
4
12
14 10 9 8 12 13 11
4 5 6 2 1 3 7
3 4
– 16 –
8
7
6
44 43 42 41 40 39 38
5
1 DI
2 DI
3
BCKI
4
BCKI
5
LRCI
6 ICLK

SAMPLING RATE

7 ICKSL
CONVERTER
NC 8 IFM1
NC
9 IFM1
10 IFM2
11 IFM2
C833
12 13
0.1
C834
47/10
L808
IC802:INVERTER
20 21
19
C831
R825
22P
100K
C828
0.01
4 6 2 1 3
5
13 10 9 8 7
11
R870 CK
680
10 9 8
14 12 13 11
4
2 1 3 5 6 7
IC805,IC809:WAVEFORM
5
35 34
37 36
VSS 33
VSS 32
D
RSTN 31
D
30
RSTN
IC801
TST2N 29 NC
SM5844AF
28 NC
TST1N
STATE 27 NC
C
4.
IISN 26
IISN 25
OW20N 24
OW20N
23
14 15 16 19 20 21 22
17 18
R827
L806
1k
VDD
1 8
2 7
3 6
4 GND 5
IC802
TC7W04F
C830
0.1
R839
L+
1K
12 9 8
14 13 11 10
1 2 4 5 6
3 7
R838
1K
L–
L810
R–
14 13 12 11 10 9 8
1 2 3 4 5 6 7
R+
RECTIFICATION
6