Keyboard Unit - Pioneer DEH-2500UI/XNUC Service Manual

1

10.2 KEYBOARD UNIT

A
SEG32
61
SEG33
62
SEG34
SEG34
63
SEG35
SEG35
64
SEG36
SEG36
65
SEG37
SEG37
B
66
SEG38
SEG38
67
SEG39
SEG39
68
SEG40
SEG40
69
SEG41 SEG41
70
SEG42
SEG42
71
SEG43
SEG43
72
SEG44
SEG44
73
SEG45
SEG45
74
SEG46
SEG46
75
SEG47
SEG47
76
SEG48
SEG48
77
SEG49
SEG49
78
SEG50
79
SEG51
80
C
D
E
F
B
44
1
2
SEG10
SEG11
SEG32
SEG9
SEG33
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
IC1801
SEG2
PD6583A8
SEG1
SEG0
COM3
COM2
COM1
SEG50
KDT1
COM0
SEG51
KDT3
KDT0
KDT2
X1801
CSS1547-A
DGND
DGND
V1801
CAW2024
SEGMENT LCD
DEH-2500UI/XNUC
2
3
GRILLE uCON
KST0
SEG11
40
SEG10
39
SEG9
38
SEG8
37
SEG7
36
SEG6
KST1
35
SEG5
34
SEG4
33
SEG3
32
SEG2
31
SEG1
30
SEG0
KST2
29
COM3
28
COM2
27
COM1
26
COM0
KST3
25
KDT3
24
KDT2
23
KDT1
22
KDT0
SOURCE
21
5 MHz
R1942
L1801 NM
NM
only B, C
*1
ILMGND
3
4
KEY MATRIX
S1821 S1823
S1822
1 2 1 2
1 2
RIGHT
LEFT
EJECT
S1826 S1828
1 2 1 2
S1827
S1829
1 2
1 2
iPod
LIST
S1833
1 2
S1834
S1835 S1836
1 2
1 2
1 2
4
DISP 6
S1838 S1839 S1840
1 2 1 2 1 2
2
3
1
S1841
1 2
S1842
1 2
SRC
DGND
IC1941
GP1UXC14RK
REMOTE
R1944
100
DGND only A, D - G
COLOR2
BLUE/GREEN
A DEH-2500UI/XNUC
B DEH-2500UI/XNEW5
C DEH-2500UI/XMEW5
D DEH-2550UI/XNES
E DEH-2550UI/XMES
F DEH-2550UI/XMES1
G DEH-2590UI/XNID
4
S1824
1 2
S1825
1 2
BAND/ESC
S1831
1 2
S1832
1 2
BACK
S1837
1 2
5
ILLUMINATION
NM
Q
*