– 60 –
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
O
O
O
O
O
O
O
O
O
O
–
–
–
O
O
O
–
–
O
I
O
O
–
O
O
I
–
–
–
–
–
–
–
–
–
–
–
I
I
I
VIDEO 1 VISUAL display data output to LED
VIDEO 2 AUDIO display data output to LED
VIDEO 3 VISUAL display data output to LED
DVD/LD AUDIO display data output to LED
DVD/LD VISUAL display data output to LED
TV/DBS AUDIO display data output to LED
TV/DBS VISUAL display data output to LED
TAPE display data output to LED
MD/DAT display data output to LED
CD display data output to LED
Ground (Connected to Ground)
Not used. (Connected to Ground)
Not used. (Connected to Ground)
CURSOR MODE SURROUND display data output to LED
CURSOR MODE EQUIPMENT display data output to LED
CURSOR MODE INDEX display data output to LED
Not used. (Connected to Ground)
Not used. (Connected to Ground)
UART data output to rewrite flash memory
UART data intput to rewrite flash memory
Clock output to flourescent display tube
Data output to flourescent display tube
Power 5 V
Fluorescent latch
Fluorescent clear
SIRCS input
External power regulator capacitor 0.1µ is connected to this terminal.
Not used (Connected to Ground)
Not used (Connected to Ground)
Not used (Connected to Ground)
Not used (Connected to Ground)
Not used (Connected to Ground)
Not used (Connected to Ground)
Analog power 5 V
AVRH (Connected to power 5 V)
SVRL (Connected to Ground)
GND (Connected to Ground)
Key input 1
Key input 2
Key input 3
LED V1
LED V2
LED V3
LED-DVD/LD
LED-TV/DBS
LED-TAPE
LED-MD/DAT
LED-CD
LED-TUNER
LED-PHONO
VSS
—
—
LED SUR
LED EQ
LED INDEX
—
—
SOT0
SIN0
FL CLK
FL DATA
VCC
FL LAT
FL CLEAR
SIRCS IN
C
—
—
—
—
—
—
AVCC
AVRH
AVRL
AVSS
AD KEY IN 1
AD KEY IN 2
AD KEY IN 3
Pin No.
Pin Name
I/O
Function
3-25. IC PIN FUNCTIONS
• IC102 MB90553PF-G-121-BND (DISPLAY BOARD)
