JVC KD-SHX751 Service Manual page 60

LCD & Key control section
IC471
HY57V161610ET-8
IC802
*
R897
C871 * C873 *
*
C872 * C874 *
CS2
SDQM0
RE
D474
Q472
SEL0
UN211L-X
SEL1 MA111-X
D0 C477 D478 MA111-X
NI
D1
D2
C478
D3 NI
D4
D5
D6
D7
SCL_END
CN802
NI
K471
0
RA809
A14
33
C897
A15
A16
*
A17
RA808
A18
33
A19
A20
A21
* R895 R878
47k
R870
1k
C811 0.047
R882 1k
R883 1k
IC491
SG32M90TFIR3C02
C812 NI
C813 NI
K491
0
EN401
QSW1025-001
EN401
EN401
X801
TP802
NAX0663-001X
C806
0.001
C808 NI
C809 NI
R898
10k
C805
R853 0.001
0
R852 33 SCKE
C804 0.001
R851 33 SWE
R850 33 SRAS
R849 33 SCAS
R848 33 SDQM1
R847 33 SDQM0
R846 33 RE
D15
D14
RA804
33
D13
D12
D11 RA803
33
D10
C803
IC801 D9
NI
D8
MN103S77NDW
D7
D6
RA802
33
D5
D4
D3
D2
RA801
33
D1
D0
R829 1k
R828 1k
R827 1k
R826 1k MEMRST
R825 1k
C801
0.047
C802
R819 47k 10/6.3
R820 47k
TP801
R442 R443 R444 R445 R446
300 270 390 560 820
Q441
2SB709A/QR/-X
R454
47k
D441
MA152WK-X
R449 R450 R451 R452 R453
300 270 390 560 820
R455
47k
Q442
2SB709A/QR/-X
R480
0
R481 NI R470 1.2k
R471 1.2k
R472 1.2k
PICTCLK
DISPDA
PICTDI
DISPCK
DISPCE
PS2
KEYDA
L891
4.7
R886
470k
Q881
2SD601A/QR/-X
R893
1k
IC461
GP1UX511RK
R463
47
R464
33k
CN801
NNZ0098-003X
18V
OEL3.3V
SHEET 4
2-5