Keyboard Unit - Pioneer DEH-X3550UIXNESDEH-X3550UI/XNES1DEH-X3590UI/XNID Service Manual

1

10.2 KEYBOARD UNIT

A
SEG19 26
S19
SEG20 27
S20
28
SEG21
S21
29
SEG22
S22
SEG23 30
S23
SEG24 31
S24
32
SEG25
S25
33
SEG26
S26
B
SEG27 34
S27
SEG28 35
S28
36
SEG29
S29
37
SEG30
S30
SEG31 38
S31
SEG32 39
S32
40
SEG33
S33
SEG34 41
S34
SEG35 42
S35
SEG36 43
S36
SEG37 44
S37
SEG38 45
S38
SEG39 46
S39
SEG40 47
S40
48
SEG41
S41
SEG42 49
S42
SEG43 50
S43
C
D
E
F
B
46
1
2
GRILLE uCON
C1804 1u/10
5.00 MHz
X1801
RMIN/P73/INT/T0IN
IC1802
PDC202B
P71/INT1/T0HCP
P70/INT0/T0LCP
CAW2025-A
V1802
SEGMENT LCD
DEH-X35UI/XNUC
2
3
CSS1547-A
DGND
KST0
DGND
DPDT
100
URX/P35
99 KYDT
UTX/P34
98
97 KDT3
P07
96 KDT2
P06
KST1
95 KDT1
P05
94 KDT0
P04
93 KST3
P03
92 KST2
P02
91 KST1
P01
KST2
90 KST0
P00
89
88 R1809 47k
87 C1802 0.1u/10
V1
86 C1801 0.1u/10
V2
C1803 0.1u/10
85
V3
KST3
84 COM3
COM3
83 COM2
COM2
82 COM1 SOURCE
COM1
COM0
81
COM0
80
S73
79
S72
78
S71
77
S70
S69
76 SEG69
ILMGND
RGB
B R G
3
4
KEY MATRIX
S1821 S1822 S1823
4 2 4 2 4 2
3 1 3 1 3 1
CSG1155-A CSG1155-A CSG1155-A
LEFT EJECT RIGHT
MIX LIST
S1826 S1828
2 2
4 4
3 1 3 1
CSG1155-A
CSG1155-A
S1834 S1835 S1836
2 2 2
4 4 4
3 1 3 1 3 1
CSG1155-A CSG1155-A CSG1155-A
DISP
6 4
S1838 S1839 S1840
2 2 2
4 4 4
3 1 3 1 3 1
CSG1155-A CSG1155-A CSG1155-A
2 3 1
SOURCE
S1842
4 2
3
1
CSG1155-A
DGND
IC1941
GP1UXC14RK
REMOTE
R1942
R1944
NM
100
R1941
47k
only EW5
except EW5
DGND
RED Key
GREEN Key
BLUE Key
ILMGND ILMGND ILMGND
B R G
4
S1824
4 2
3 1
CSG1155-A
BAND
S1832
2
4
3 1
CSG1155-A
BACK
S1837
2
4
3 1
CSG1155-A
5
C18
1u
C18
0.01
DGND
B