Keyboard Unit - Pioneer DEH-1400UB Service Manual

1

10.2 KEYBOARD UNIT

A
SEG19
49
SEG18
B
50
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
63
SEG5
SEG5
64
L1801
C
NM
DGND
V1801
SEGMENT LCD
D
SYMBOL SIZE
RS1/10SR***J
RS1/4SA***J
E
F
B
40
1
2
GRILLE uCON
32
31
SEG36 SEG38
SEG19
30
SEG18 SEG37
SEG39
29
KST4
28
NC2
27
KDT3
26
KST2
IC1801
25
PD6581A
VSS
24
X1
23
X0
22
MODA
21
KYDT
20
NC1
SEG4
19
SEG3
DPDT
18
REM
17
A, C, D B
CAW2018 CAW2020
ILMGND
DEH-1400UB/XNEW5
2
3
KST0
SEG36
SEG37
SEG38
SEG39
KST4
KST1
KDT3
KDT2
KST2
X1801
CSS1547
KST3
5 MHz
1
R1823
0
SOURCE
1
DGND
SRC
KST4
IC1802
GP1UXC14RK
REMOTE
R1804
R1803
100
NM
NM
DGND
D1851-D1865 : SML-D12P8W(KL)
COLOR2 GREEN
REFERENCE AREA MAP
GRILLE uCON&LCD
KEY MATRIX & CONNECTOR
LED
USB
AUX
3
4
KEY MATRIX
S1821
S1833
1 2 1 2
S1822 S1834
1 2
1 2
LEFT
RIGHT
S1828
1 2
S1823
S1829
1 2
1 2
EQ
LIST
S1835
S1824
S1830
1 2 1 2 1 2
6
4
PTY
S1825 S1836
S1831
1 2 1 2 1 2
2
3 1
S1826
2
S1832
S1827
R1826
1 2
NM
2
EJECT
DGND
R1801
2.2k
2.2k
R1802
1801-1820
1821-1850
1851-1910
1911-1920
1921-1930
4
BAND/ESC
S1837
1 2
S1838
1 2
S1839
1 2
5
S1840
1 2
S1841
1 2
DISP/B
LED
only D
only