Sharp MD-R3 Service Manual page 36

MD-R3
TX301
DIGITAL OUTPUT
5V
J301
COAXIAL IN
13
IC301
INVERTER
14
5V
74HCU04
7
RX301
DIGITAL INPUT
5V
BUTTON BLOCK
1
2
3
JOG VOLUME
6
SW901
5V 100
91
BACK UP 5V
98
FL VP
SW501
RESET
35
IC902
PST9127
RESET
32
UN940
REMOCON
36
37
X902
32.768kHz
38
39
X901
8kHz
FL+B
FL+B
74HC10AP
IC302
NAND GATE
6
9
6
2
1
9 1 7 14
5V
IC901
IX0240AW
SYSTEM MICROCOMPUTER
~ ~
45 56 58 90
FL901
FL
Figure 36 BLOCK DIAGRAM (3/4)
MD UNIT
Q930 Q935
19
22
18
20
21
41
44
33
24
29
14
15
16
17
34
23
13
7
28
25
~
92 97
CHANGER UNIT
– 36 –
SYSCL
CD5V
CD UNIT
CD7.5V
6 7 8 5
INPU
EX
I
B