Yamaha PSR-F50 Service Manual page 26

Q P O N
1
< Page 2 >
PSR-F50 OVERALL CIRCUIT DIAGRAM 1/3 (DM)
DM
2
REGULATOR +5V
3
4
to AM-CN103
<Page3:P11>
5
6
7
to 61L-CN1
<Page4:M10>
8
9
10
11
to 61H-CN1
<Page4:M4>
12
PSR-F50
M L K J
REGULATOR +3.3V
REGULATOR +3.3V
OP AMP
I H G F
VOLTAGE DETECTOR
<to I10>
CPU SWLL
FLASH ROM 16M
D-FF
E D C B
to PN-CN201
<Page3:P5>
28CC1-2001119320 3
A
PSR-F50
PSR-F50