Schematic Diagram - Key Board - Sony WX-7700MDX Service Manual

WX-7700MDX
5-25. SCHEMATIC DIAGRAM – KEY Board –
CN800
7P
ILL_GND
P_ON
ILL_ON
KEY0
KEY01
BU_GND
(Page 45)
R866
680
LSW804(2/2)
48 48
R801 680 R802 680 R803 680
LSW804(1/2)
LSW813(1/2) LSW803(1/2) LSW805(1/2)
ATT ANGLE OPEN/ OFF
CLOSE
R867 R855 R856 R778 R779
680 680 680 680 680
D813
LSW803(2/2) LSW813(2/2)
MA111
D804
MA111
R804 1k
R830
0
D805
MA111
R821 R864
680 680
LSW805(2/2)