Block Diagram - Sharp 1-BIT AMPLIFIER SM-SX1 Service Manual

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SM-SX1/SX1W
RLY101
SACD
J101
Q101
LINE1
Q102
RLY103
LINE2
Q103
J102
LINE
OUT
J103
DIGITAL
IN-1
BUFFER
3
13
74HCT04F
RX101
10
DIGITAL
IN-2
1
TX101
DIGITAL OUT
1BIT TERMINAL
SOC101
11
12
15
LED900~904
17
11
17
LED905~907
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RLY102
A
B
IC102
13
INVERTER
74HC153F
1
IC103
12
AMP.
3
5
IC903~
IC905
LED
1
DRIVER
BU2114F
3
SW900~904
FUNCTION
Figure 12 BLOCK DIAGRAM (1/2)
DIGITAL/ANALOG
CHANGE
RLY802
Q803
IC800
3
1
DIGITAL
7
37
INTERFACE
8
RECEIVER
6
10
YM3436D
38
INITIALIZATION
39
42
CONVERSION
35
IC811
TC7W74F
IC806
CONTROL
74ACT00F
5
1
RELAY CONTROL
1 2 3 29 26 33
35 41
43
~
~
38
26
25
IC907
24
SYSTEM
18
MICROCOMPUTER
IX2845AF
20
5
– 12 –
DIGITAL SIGNAL
ANALOG SIGNAL
DIGITAL/ANALOG
CHANGE
VOL301
RLY301,
MAIN
RLY302
VOLUME
Q301
Q302
IC801
SAMPLING
RATE
CONVERTER
RLY800
SM5844AF
RLY801
40
44
1
3
IC803
1bit
TDA1307
27 33
IC802
9 5
TC7W04F
1 13
IC805,IC809
IC807
WAVEFORM
SELECT
RECTIFICATION
74HC74AF
74ACT00F
3
11
IC804
8
CLOCK
11
SELECT
74ACT00F
13
PROTECT
A
Q
IC
Q801
Q802
Q803

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