JVC KD-G227 Schematic Diagrams page 20

LCD & Key control section
LCD1
QLD0388-001
R604 R603 R602 R601
R605
KEY2
2.7k 1.8k 1.2k 820 820
S601 S602 S603 S604 S605 S606
R610 R609 R608 R607 R606
KEY1
2.7k 1.8k
1.2k 820 820
S612 S611 S609 S608 S607
S610
R613 R612 R611
KEY0
1.2k 820 820
D630
S616 S615 S614 S613
D631 D632 D640 D641 D647
D645
D635 D638 D643 D646
D633
D636
B633
D639
0
D642
D634 D644 D637
R661
2.2K
R662
2.2K
D649
R670
470
D648
R664
10K
C662
680p
C661
10/6.3
2-18
IC681
JS686
RPM7338-V4 QSW0976-001
C682
0.012
R687
C681 47K
4.7/6.3
R688
C687
47K
0.022
C664
0.1
S49
S32
S50
S31
S51
S30
S52 S29
COM1 S28
COM2 S27
COM3
S26
IC661 S25
INH S24
PT6523LQ-L
C663
D662 S23
0.022
UDZW5.1B-X
S22
S21
OSC S20
LCDCE R666 10K
CE S19
LCDCLK 10K
R667
CLK S18
LCDDA R668 10K
DATA
S17
R665
51K
CJ601
QGZ1601K1-15S
ILL10V
ACC5V
REMOCON
ENC1
ENC2
DIMOUT
LCDCLK
LCDDA
LCDCE
KEY0
KEY1
KEY2
SHEET 4