Panasonic SA-HT720P

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