13
HCD-RV2/RV5/RV6
• IC701 µPD780232GC-059-8BT (DISPLAY CONTROL) (HCD-RV2: PANEL BOARD)
Pin No.
Pin Name
I/O
Pin Description
1
VDD
—
Power supply pin (+4.9 V)
2
VSS
—
Ground pin
3
X1
I
System clock signal input (5 MHz)
4
X2
I
System clock signal input (5 MHz)
5
IC
I
Directly connect to VSS. (Only mask ROM)
6
RESET
I
Reset signal input from system control (IC601) “L”: active
7
S CLK
I
Serial clock signal input from system control (IC601)
8
S IN
I
Serial data signal input from system control (IC601)
9
S OUT
O
Serial data signal output from system control (IC601)
10
BUSY
O
Not used in this set. (Open)
11, 12
NC
O
Not used. (Open)
13
VOL A
I
Volume A signal input from VR701
14
VOL B
I
Volume B signal input from VR701
15, 16
NC
O
Not used in this set. (Open)
17
HEADPHONE
I
Headphone check signal input from JK701 “H”: Headphone in
18
AVSS
—
Ground pin
19
NC
I
Not used. (Fixed at “L”.)
20
KEY2
I
Key signal input 2
21
KEY1
I
Key signal input 1
22
KEY0
I
Key signal input 0
23
VSS
—
Ground pin
24
AVDD
—
Power supply pin (+4.9 V)
25
VDD
—
Power supply pin (+4.9 V)
26
ENTER LED
O
Not used in this set. (Open)
27
GAME MIXING
O
GAME MIXING LED (LED707) drive signal output “H”: ON
28
GAME LED
O
GAME LED (LED702) drive signal output “H”: ON
29
MD/VIDEO LED
O
Not used in this set.
30
TAPE LED
O
TAPE A/B LED (LED703) drive signal output “H”: ON
31
TUNER LED
O
TUNER/BAND LED (LED705) drive signal output “H”: ON
32
CD LED
O
CD LED (LED704) drive signal output “H”: ON
33 – 43
NC
O
Not used in this set. (Open)
44 – 58
S0 – S14
O
FL segment control signal output to FLD701 “H”: ON
59
VDD
—
Power supply pin (+4.9 V)
—
Voltage loard pin
O
FL segment control signal output to FLD701 “H”: ON
O
Not used in this set. (Open)
O
FL grid control signal output to FLD701 “H”: ON
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