Sharp MD-R3H Service Manual page 36

MD-R3H
TX301
DIGITAL OUTPUT
5V
J301
COAXIAL IN
13
14
5V
RX301
DIGITAL INPUT
5V
BUTTON BLOCK
JOG VOLUME
SW901
5V
BACK UP 5V
FL VP
SW501
RESET
IC902
PST9127
RESET
UN940
REMOCON
X902
32.768kHz
X901
8kHz
FL+B
FL+B
74HC10AP
IC302
NAND GATE
6
9
IC301
INVERTER
2
74HCU04
7 9 1 7
1
2
3
6
100
91
98
IC901
IX0220AW
35
SYSTEM MICROCOMPUTER
32
36
37
38
39
~
45 56
FL901
Figure 36 BLOCK DIAGRAM (3/4)
6
1
14
5V
~ ~
58 90 92 97
FL
– 36 –
MD UNIT
Q930 Q935
19
22
18
20
21
41
44
CD UNIT
33
24
29
14
15
16
17
34
23
13
7
28
25
CHANGER UNIT
SYSC
CD5V
CD7.5V
6 7 8 5
B
INPU
EX