Panasonic SA-HT870E, Руководство по обслуживанию

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26.1. IC2018 (C2CBHG000139):
System control
Pin
No.
Terminal
Name
I/O Function
1 TRY CLOSE I Loading mechanism close switch signal
input (L: Sw ON)
2 TRAY CCW O Tray control 1 terminal
3 TRAY CW O Tray control 2 terminal
4 TRY OPEN I Loading mechanism open switch signal
input (L: Sw ON)
5 NC - Not used, open
6 NC - Not used, open
7 BRAKE H O Tray control 3 terminal
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 NC - Not used, open
21 NC - Not used, open
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 NC - Not used, open
27 TUN SD I Tuner signal detect input
28 TUN DO I DO output of Tuner IC
29 TUN CLK O Clock output for Tuner
30 TUN DI O Data output for Tuner
31 TU CE O Tuner latch signal output
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 STAT I Status signal input from the DVD module
37 DVD ClLK 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 outpu for Flash
42 MUTE SUB 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
51 MIC MUTE O MIC muting signal output
52 SFC O SFC switch signal output (during
Disco/Live/Hall)
53 SSS MIX O SSS signal output (during Surround
function)
54 PARTY O PARTY signal output (during Party mode)
Pin
No.
Terminal
Name
I/O Function
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 NC - Not used, open
62 VCC - Power supply terminal (5V)
63 FAN CTRL O Fan control signal output
64 VSS - GND
65 NC - Not used, open
66 NC - Not used, open
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 DAT 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 JOG LED O FL driver reset signal output
78 NC - Not used, open
79 NC - Not used, open
80 NC - Not used, open
81 NC - Not used, open
82 NC - Not used, open
83 NC - Not used, open
84 MIC SW O MIC switch control signal output
85 NC - Not used, open
86 NC - Not used, open
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 NC - Not used, open
26 Terminal Function of ICs
66
SA-HT870E / SA-HT870EB / SA-HT870EG