Terminal Function Of Ics; Ic2018 (C2Cbhg000137): Operation Cpu - Panasonic SA-HT720P Service Manual

SA-HT720P / SA-HT720PC

24 Terminal Function of ICs

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