KY-688 board
A
LED
D401 (B-1): +5V-MAIN
Power status indication.
Lit when +5V-MAIN is supplied normally.
Switch
S300 (D-3): RESET
Initializes the KY-688 board.
S301 (E-1): SETTING1
Used for the production in the factory. Do not change the
setting.
1-22 (E)
B
C
D401
D
E
S301
S300
F
G
1
2
3
KY-688 board (Side A)
ICP-6520/6530/3000/6511