Read Sharp R-734 (serv.man3) Service Manual online
R-734 - 37
Figure S-5. Printed Wiring Board of Switch Unit
SW6
SW4
SW2
SW3
SW1
SW5
CN - G
DIP
61
61
CN - C
WHITE (EH)
GREEN (KR)
SW7
PRINTED WIRING BOARD OF SWITCH UNIT