Mitsubishi Electric ED-310BE-OL4 Service Manual page 27

IC761 ASSY-ROM(M30290FCTHP)
Pin
Name
No.
1 P95
2 -
3 CRX
4 TB1IN
5 -
6 CNVSS
7 P87/XCIN
8 P86/XCOUT
9 #RESET
10 XOUT
11 VSS
12 XIN
13 VCC
14 -
15 P84/#INT2
16 P83/#INT1
17 P82
18 P81
19 P80/TA4OUT
20 P77/TA3IN
21 P76
22 P75
23 P74
24 P73
25 P72
26 P71/SCL
27 P70/SDA
28 P67/TXD1
29 P66/RXD1
30 P65/CLK1
31 P64
32 P37
33 -
34 P35
35 -
36 P33
37 P32/SOUT3
38 P31/SIN3
39 P30
40 P63
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Function
Watch Dog Pulse
Not Used
V-SYNC monitoring (NTSC/PAL determination)
Remote control receiver
Not Used
WRITER
LCD power supply ON
Sound mute (AUX-OUT)
WRITER
Crystal oscillator 16MHz
Microcomputer GND
Crystal oscillator 16MHz
Power supply for microcomputer (+5V)
Not Used
Mecha I/F
Serial CLK for EEPROM
Vehicle ACC
Vehicle ILL
PWM for backlight control
Inside ACC ON
Controller IC RESET
PCB-PANEL SW
PCB-PANEL SW
Backlight power supply ON
Mute for Digital-Audio-Amp
M-BUS adapter
M-BUS adapter
WRITER/Serial communication
WRITER/Serial communication
WRITER
WRITER
For mecha I/F
Not Used
+9V power supply ON
Not Used
For OSD
For OSD
For OSD
For OSD
For mecha communication
search engine
Pin
Name
No.
41 P62/RXD0
42 P61/CLK0
43 P60
44 P27
45 P26
46 P25
47 P24
48 P23
49 P22
50 P21
51 P20
52 P17/#INTS
53 P16
54 P15
55 P14
56 P13
57 P12/AN22
58 P11
59 P10
60 P07
61 P06/AN05
62 P05/AN04
63 -
64 P03/AN03
65 P02
66 P01
67 P00/AN00
68 P107
69 P106
70 P105
71 P104
72 P103/AN3
73 P102
74 P101
75 AVSS
76 P100/AN0
77 VREF
78 AVCC
79 P97
80 P96
27
Function
For mecha communication
For mecha communication
For mecha communication
For mecha communication
For mecha communication
For mecha communication
Digital-Audio output ON
CAN connection monitoring
SW for spare
NTSC/PAL switch determination
M-BUS adapter
Monitor open SW
For mecha I/F
PCB-PANEL SW
Sound output SW
NTSC/PAL switch determination
SDA for EEPROM
Image selector switch
Sound mute SW (IR)
Image output SW
Screen mode selector switch
Not Used
Screen mode selector switch
Screen mode selector switch
Image selector switch
Image selector switch
Image selector switch
Digital-Audio-Amp connection monitoring
Region monitoring
PCB-PANEL SW
PCB-PANEL SW
Country code monitoring
Temperature anomaly detection
Microcomputer GND
BATT voltage monitoring
Analog reference voltage
Power supply for microcomputer (Analog)
Sound output selector switch
Sound output selector switch