Keyboard Unit - Pioneer DEH-23UB/XSUC Service Manual

1

10.2 KEYBOARD UNIT

QQ
3 7 63 1515 0
A
UCON&LCD
SWITCH&CONNENCTOR
LED
FRONT AUX
USB IN
B
SEG19
49
SEG18
SEG19
50
SEG18
SEG17
SEG17
51
SEG16
SEG16
52
SEG15
SEG15
53
SEG14
SEG14
54
SEG13
SEG13
55
VDD
56
SEG12
SEG12
57
SEG11
SEG11
58
SEG10
SEG10
59
SEG9
SEG9
60
SEG8
SEG8
61
SEG7
SEG7
62 SEG6
SEG6
SEG5
63
SEG5
64
C
L1801
NM
DGND
TE
L 13942296513
D
E
www
F
B
46
1
http://www.xiaoyu163.com
2
1801-1820
1821-1850
1851-1900
1901-1910
1911-1920
SEG36
SEG37
SEG38
SEG39
KST4
NC2
KDT3
KST2_2
IC1801
PD6340A
VSS
X1
X0
MODA
KYDT
NC1
DPDT
REM
CAW1998
V1801
LCD
x ao
y
. i
DEH-23UB/XSUC
2
http://www.xiaoyu163.com
3
SEG36
KST0
32
SEG37
31
SEG38
30
SEG39
29
KST4
28
KST1
27
KDT3
26
KDT2
25
KST2
24
CSS1547-A
X1801
23
22
KST3
5.00MHz
21
20
19
DGND
18
17
KST4
Q Q
3 6 7
R1802
NM
DGND
ILMGND
u163
3
4
2 9 9 4
8
S1823
S1821
1 2 1 2
S1822 S1824
1 2 1 2
S1841
NM
R1823
R1826
SOURCE
1 2 1 2
0 SRC S1830
1 2
S1831
LIST
DGND
S1833
S1834
1 2 1 2
6
5
S1836 S1837
1 2 1 2
2
1
S1829 S1840
1 2 1 2
EJECT
IC1802
GP1UXC14RK
1 3 1 5 0 5 8 2 9
R1804
100
COLOR2
m
co
.
4
2 8
9 9
S1827
S1825
1 2 1
S1826 S18
1 2 2
1
S183
BAN
CENTER
S183
1
4
S1838
1
3
S184
S1839
1 2 1
CLOCK
S184
1
DI
2.2k
R1805
2.2k
R1806
9 4 2 8 9 9
CLEAR
BUTTON
NM