JVC KD-SHX705 Service Manual page 43

LCD & Key control section
C871 C873
10/6.3 1/25
C872
C874
0.001
0.001
SYSCLK
RE
SEL0
SEL1
Q481
D0
UN2111-X
D1
D2
D3
D4
D5
D6
D7
SCL_END
DK
Q472
UN2111-X
CN802
QGF0522F1-07W
K471
0
PICTCLK R854 1k
CS3
TP801
RE PICTDI R855 1k
CS2 D15 R870 1k
R481
CS3 D14 R871 1k
D13 R872 1k
NI
D12 R873 1k
D11 R874 1k
D10 R875 1k
D9 R876 1k
C807
0.047
D8 R877 1k
D7 R860 1k
CS2
D6 R861 1k
CS1
D5 R862 1k
CS0
D4 R863 1k
R483 0
CS3SW
WE0
D3 R864 1k
D2 R865 1k
D1 R866 1k
D0 R867 1k
SCL_END
R492 10K
K491
0
Q470VCC
D478
1SS400-X
Q470
NI
R442 R443
300 270
KEY0
R449 R450
KEY1 300 270
R840
0
0.001
R839 1k C804
R838 NI
IC801
R837 1k CS3SW
R836 NI
MN103S57GDD
R835 1k SEL0
R834 1k SEL1
R833 1k MEMRST
R832 1k RY/BY
R831 1k SYSCLK
R830 NI
R829 820 CS0
R828 820 CS1
R827 820 CS2
R826 820 CS3
R825 470 RE
Parts are safety assurance parts.
When replacing those parts make
sure to use the specified one.
R444 R445 R446 R447
390 560 820 1.5k R454
Q441
2SB709A/QR/-X
47k
IC461
D441
MA152Wk-X RPM7338-V4
R451 R452 R453
390 560 820 R455
47k
Q442
2SB709A/QR/-X
R434 0
R435 NI
R436 NI
PICTCLK
PS2
PICTDI
DISPCK
DISPCE
DISPDA
KEYDA
SML-310LT/MN/-X SML-310LT/MN/-X SML-310LT/MN/-X SML-310LT/MN/-X SML-310LT/MN/-X SML-310LT/MN/-X SML-310LT/MN/-X SML-310LT/MN/-X
L891
47
R886
470k
R883
1k
R464
47
10V
OEL3.3V
18V
SHEET 4
2-5