JVC KS-T807 Service Manual page 31

LCD & key control section
LCD1
R615 R605 R604 R603 R602 R601
3.9K 2.7K 1.8K 1.2K 820 820 KEY2
S617 S606 S605 S604 S603 S602 S601
R610 R609 R608 R607 R606
KEY1
2.7k 1.8k 1.2k 820 820
S612 S611 S610 S609 S608 S607
R614 R613 R612
1.2k 820 820 KEY0
S616 S615 S614 S613
D603
D606 D609 D613 D616 D619
D622
D602 D601 D604
D607 D610 D614 D617 D620 D623
D605 D621 D624
D615
D611
IC602
RPM7338-V4
R661
10k
BUS2
BUS1
S49
S50
R671 0
R651
2.2k
COM1
COM2
R652 COM3
2.2k
R672
VDD
INH
C601
0.022
D641
UDZS5.1B-X
R653
10k
OSC
LCDCE R654 10k
CE
LCDCL R655 10k
CLK
LCDDA R656 10k
D642
DATA
1SS355-X
D643
1SS355-X
C602 R657
R658
680p 51k
180k
C603
10/6.3
EN601
QSW0863-003
C681
C682
0.022
0.022
R662
CN601
470
NNZ0087-001
REMOCON
ACC5V
10V
ENC1
ENC2
LCDCE
To CN701
LCDDA
LCDCL
(SHEET 1)
KEY2
KEY1
KEY0
R670
0
DIMMER
GND
S32
S31
S30
S29
S28
S27
S26
S25
S24
IC601
S23
S22
LC75823W
S21
S20
S19
S18
S17
SHEET 2
2-3