24.1. IC2018 (C2CBHG000137):
Operation CPU
Pin
No.
Terminal
Name
I/O
Function
1
LOAD
I
UP/DOWN switch signal input
2
OP/CL REV
O
Reverse
control
signal
output
for
OPEN/CLOSE motor
3
OP/CL FWD
O
Forward
control
signal
output
for
OPEN/CLOSE motor
4
OPEN SW
I
Rotary tray OPEN switch signal input
5
POSSITION
I
Position detection sensor signal input
6
NC
-
Not used, open
7
TUNER FWD
O
Forward control signal output for turn
motor
8
BYTE
-
GND
9
CNVSS
-
GND
10 XCIN
-
Sub clock input (32.768kHz)
11 XCOUT
-
Sub clock output (32.768kHz)
12 RESET
I
System reset signal input
13 XOUT
-
Main clock output (8.0MHz)
14 VSS
-
GND
15 XIN
-
Main clock input (10.0MHz)
16 VCC
-
Power supply terminal (5V)
17 /NMI
I
Connect to VCC, external interrupt I/P
18 RMT
I
Remocon signal input
19 SYNC
I
AC failure detection input
20 TURN REW
O
Reverse control signal output for turn
motor
21 PULSE
I
Speed detection sensor signal input
22 SEL
I
Model select signal input
23 EDA
I/O EEPROM data in/output
24 ECK
O
EEPROM clock output
25 ECS
O
EEPROM latch output
26 PWM
O
Pulse width modulation output for the
changer
27 SD
I
Tuner signal detect input
28 TU ST/DO
I
Stereo indicator from Tuner/ DO output
of Tuner IC
29 TU
SCL(PLL
CK)
O
Clock output for Tuner
30 TU
SDA(PLL
DA)
O
Data output for Tuner
31 TU
FM
DET(PLL CE)
I
Tuner FM detect signal input
32 V MUTE2
O
Mute signal 2 for video output
33 V MUTE1
O
Mute signal 1 for video output
34 MUTE S
O
Mute signal output for surround Audio
signal
35 DVD CMD
O
CDM signal output for the DVD module
36 DVD STA
I
Status signal input from the DVD module
37 DVD CK
I
CLK signal input from the DVD module
38 WIDE1
O
Wide function control signal output
39 MUT FRNT
O
Mute signal output for Front speaker
40 MUTE C
O
Mute signal output for Center speaker
41 EPM
I
Signal output for Flash
42 SUB MUTE
O
Mute signal output for Subwoofer
43 HP MUTE
O
Mute signal output for Headphone
44 DVD MUTE
I
Signal output from DVD module control
mute circuit
45 V MUTE3
O
Mute signal 1 for video output
46 VMIX Ctrl
O
Control signal output for the video signal
mix
47 MUTE L
O
Mute signal output for the line output
48 VOL DA
O
Data output for 6ch VOL ASP
49 VOL CK
O
Clock output for 6ch VOL ASP
50 NC
-
Not used, open
Pin
No.
Terminal
Name
I/O
Function
51 NC
-
Not used, open
52 SFC
O
Analog surround signal output
53 NC
-
Not used, open
54 PARTY
O
Analog surround signal output
55 NC
-
Not used, open
56 NC
-
Not used, open
57 NC
-
Not used, open
58 NC
-
Not used, open
59 NC
-
Not used, open
60 NC
-
Not used, open
61 SUR Mix
O
Signal output to mute surround channel
and mix with front
62 VCC
-
Power supply terminal (5V)
63 MBP1
O
Micom beat proof 1 output
64 VSS
-
GND
65 MBP2
O
Micom beat proof 2 output
66 SSS MIX
O
Super surround sound signal output
67 NC
-
Not used, open
68 DVD PCNT
O
Control signal output for the power for the
DVD module
69 NC
-
Not used, open
70 PCONT
O
Control signal output for the power
control relay
71 MUTE H
O
Mute signal output for HIC
72 DC DET
I
DC detection signal input
73 RDS CK
O
Clock output for the RDS decoder
74 RDS DO
O
Data output for the RDS decoder
75 JOG B
I
Volume jog B signal input
76 JOG A
I
Volume jog A signal input
77 NC
-
Not used, open
78 NC
-
Not used, open
79 NC
-
Not used, open
80 NC
-
Not used, open
81 NC
-
Not used, open
82 DISC5 LED
O
Disc 5 LED control signal output
83 DISC4 LED
O
Disc 4 LED control signal output
84 DISC3 LED
O
Disc 3 LED control signal output
85 DISC2 LED
O
Disc 2 LED control signal output
86 DISC1 LED
O
Disc 1 LED control signal output
87 FLD RST
O
FL driver reset signal output
88 FLD CS
O
FL driver latch output
89 FLD CK
O
FL driver clock output
90 FLD DA
O
Data input for the FL driver
91 KEY2
I
Key 2 line input
92 NC
-
Not used, open
93 DES3
I
DVD region setting signal input
94 DES2
I
DVD region setting signal input (speaker
region)
95 DES1
I
DVD
region
setting
signal
input
(Tuner/RDS/SCART region)
96 AVSS
-
Analog power supply input
97 KEY1
I
Key 1 line input
98 VREF
-
Reference voltage input
99 AVCC
-
Analog power supply input
100 DISC SENSE
I
Changer signal input
24 Terminal Function of ICs
60
SA-HT720P / SA-HT720PC
Summary of Contents for SA-HT720P
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