Pioneer CB-A802 Service Manual page 154

1
QQ
3 7 63 1515 0
PE5557B (DVDM ASSY: IC1501)
A
• LCD Control IC
Pin Function
No. Pin Name
1 KEY_OUT2
2 KEY_OUT3
3 KEY_OUT4
4 AVSS
5 LCD_VR
6 P131
7 AVREF1
B
8 SI2
9 SO2
10 XSCK2
11 S_MTOF
12 S_FITOM
13 SSCK
14 XREDY_3V
15 LT1_3V
16 REL_CS
17 REL_DATA
C
18 REL_CLK
19 DB0
20 DB1
21 DB2
TE
L 13942296513
22 DB3
23 DB4
24 DB5
25 DB6
26 DB7
27 E
D
28 R/XW
29 RS
30 KRY_OUT5
31 P54
32 P55
33 VSS1
34 P56
35 P57
36 XBRIGHT
37 P61
E
38 PWR_KEY
39 XLCDON
40 P64
41 P65
42 P66
43 P67
www
44 P30
45 P31
46 P32
47 HXRST
F
48 P_CON
154
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2
I/O
O Key matrix output
O Key matrix output
O Key matrix output
−
Analog ground
O LCD display density adjustment
−
Not used
−
A/D reference voltage input
−
Not used
−
Not used
−
Not used
I FR microcomputer communication
O FR microcomputer communication
O FR microcomputer communication
O FR microcomputer communication control
I FR microcomputer communication control
O Real time clock select signal
I/O Real time clock data
O Real time clock signal
I/O LCD data bus
I/O LCD data bus
I/O LCD data bus
I/O LCD data bus
I/O LCD data bus
I/O LCD data bus
I/O LCD data bus
I/O LCD data bus
O LCD enable signal
O LCD read/write signal
O LCD mode select signal
O Key matrix output
I State setting input
I State setting input
−
Digital ground
I State setting input
I State setting input
−
Not used
−
Not used
I Power on key input
O LCD backlight lighting signal
−
Not used
−
Not used
−
Not used
−
Not used
−
Not used
x ao
−
y
Not used
−
Not used
. i
O System reset signal
O Power control signal
DVD-V8000
2
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8
Pin Functions
Q Q
3 6 7 1 3
u163
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3
4
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
m
co
4
9 9
2 8 9 9