LCD & Key control section (for KD-G421)
R605
R604
2 7k
1 8k
S601
S602
R610
R609
2 7k
1 8k
S611
S612
R615
R614
2 7k
1 8k
S617
S618
2-19
LCD1
QLD0387 001
R603
R602
R601
KEY0
1 2k
820
820
S603
S604
S605
S606
R608
R607
R606
1 2k
820
820
KEY1
S609
S608
S607
S610
R613
R612
R611
KEY2
1 2k
820
820
S613
S616
S614
S615
GND
D636
D632
D644
D635
D633
D631
D634
D637
D645
D640
D643
D647
D650
D642
D639
D648
D651
D641
D638
D646