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HCD-MG510AV
•
DISPLAY BOARD IC701 MB90M407APF-G-104-BND (DISPLAY CONTROLLER)
Pin No.
Pin Name
I/O
Description
1 to 10
G4 to G13
O
Grid drive signal output to the fluorescent indicator tube (FL701)
11
VSS-IO
—
Ground terminal
12 to 22
S34 to S24
O
Segment drive signal output to the fluorescent indicator tube (FL701)
23
VDD-FIP
—
Power supply terminal (+3.3V)
24 to 41
S23 to S6
O
Segment drive signal output to the fluorescent indicator tube (FL701)
42
VSS-IO
—
Ground terminal
43 to 47
S5 to S1
O
Segment drive signal output to the fluorescent indicator tube (FL701)
48
VKK
—
Power supply terminal (–33V) (for fluorescent indicator tube drive)
49 to 51
MD0 to MD2
—
Not used (fixed at “H”)
52, 53
IC0, IC1
—
Not used (open)
54
SI0
—
Not used (open)
55
SC0
—
Not used (open)
56
SO0
—
Not used (open)
57
SI1
—
Not used (open)
58
SC1
—
Not used (open)
59
DOOR SW
I
CD lid open/close detest switch (S791) input terminal “L”: CD lid is close
60
SDA
I/O
Communication data reading clock signal input or transfer clock signal output with the system
controller (IC801)
61
SCL
I/O
Communication data bus with the system controller (IC801)
62
AVCC
—
Power supply terminal (+3.3V) (for A/D converter)
63
AVSS
—
Ground terminal (for A/D conversion)
64, 65
JOG A, JOG B
I
Jog dial pulse input from the rotary encoder (RV702 DISC ACCESS)
66, 67
VOL A, VOL B
I
Jog dial pulse input from the rotary encoder (RV701 VOLUME)
68 to 70
PA4 to PA6
—
Not used (open)
71
L+R
I
Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC703)
72 to 75
BPF4 to BPF1
I
Spectrum analyzer drive signal input from the spectrum analyzer band-pass filter (IC704)
76
KEY3
I
Key input terminal (A/D input) (S771 to 777) PLAY MODE, REPEAT STEREO/MONO, CD
SYNCRO,
z
REC, CLEAR, DIRECTION, MENU keys input
77
XRST
I
Reset signal input from the system controller (IC801)
78
KEY2
I
Key input terminal (A/D input) (S760 to 767) TIMER SELECT, TIMER SET,
m
,
M
,
TUNER/BAND, CD, TAPE A/B, 5.1CH/VIDEO (MD) keys input
79
KEY1
I
Key input terminal (A/D input) (S750 to 757) SURROUND MODE, PRESET EQ, ENTER, –
.
,
>
+,
X
PAUSE,
x
,
n N
keys input
80
KEY0
I
Key input terminal (A/D input) (S741 to 745) LINK, REAR, FRONT, PRO LOGIC,
SURROUND keys input
81
CPU VSS
—
Ground terminal
82
X0
I
System clock input terminal (4 MHz)
83
X1
O
System clock output terminal (4 MHz)
84
VCC-CPU
—
Power supply terminal (+3.3V)
85
COM
—
Not used (open)
86
LED0
O
LED drive signal output terminal (I/
1
)
87
LED1
O
LED drive signal output terminal (PRESET EQ)
88
LED2
O
LED drive signal output terminal Not used (open)
89
LED3
O
LED drive signal output terminal (SURROUND)
90
LED4
O
LED drive signal output terminal (PRO LOGIC)
91
LED5
O
LED drive signal output terminal (FRONT)
Summary of Contents for HCD-MG510AV
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