Terminal Function Of Ics - Panasonic SA-HT880GC Service Manual

SA-HT880GC / SA-HT880GCS / SA-HT880GS

27 Terminal Function of ICs

27.1. IC2018 (C2CBHG000190):
System control
Pin Terminal I/O
No. Name
1 TRY_ I
CLOSE
2 TRAY_CCW O
3 TRAY_CW O
4 TRY_OPEN I
5 N.C -
6 N.C -
7 BRAKE_H O
8 BYTE -
9 CNVSS -
10 N.C -
11 N.C -
12 RESET I
13 XOUT -
14 VSS -
15 XIN -
16 VCC -
17 NMI I
18 RMT I
19 SYNC I
20 N.C -
21 DIVX_SEL I
22 SPK_EN I
23 EDA I/O DATA signal for the EEPROM
24 ECK O
25 ECS O
26 N.C -
27 TUN_SD I
28 TUN_DO I
29 TUN_CLK O
30 TUN_DI O
31 Tx -
32 Rx -
33 CLK -
34 MUTE_S O
35 DVD_CMD O
36 DVD_STAT I
37 DVD_CLK I
38 WIDE1 O
39 MUT_FRNT O
40 MUTE_C O
41 EPM -
42 MUTE_SUB O
43 HP_MUTE O
44 DVD_MUTE I
45 RGB_H O
46 YC_H O
47 MUTE_L O
48 VOL_DA O
49 VOL_CK O
50 SCART_ O
MUTE
51 MIC_MUTE O
52 SS_DAT O
53 SS_CLK O
54 N.C -
55 HB_MUTE O
Function
Loading mechanism close SW ( L: SW
ON )
Terminal for tray control 1
Terminal for tray control 2
Loading Mechanism open SW ( L: SW
ON )
Not used, open
Not used, open
Terminal for tray control 3
VSS (GND)
VSS (GND)
Not used, open
Not used, open
System Reset Input
Main Clock Output (10.0 MHZ)
GND (0V)
Main Clock Input (10.0 MHZ)
Power supply (5V)
Connect to VCC, External Interrupt I/P
Remote control input
AC failure detection input
Not used, open
DivX Model Selection ( L = No DivX, H =
DivX)
Speaker Protection (L = Speaker Protect
OFF, H = Speaker Protect ON)
CLOCK signal for the EEPROM
LAT signal for the EEPROM
Not used, open
Station Detection
Stereo Detection
Clock for Tuner
Data for Tuner
Not used
Not used
Not used
Mute signal for surround Audio signal
CMD signal for the DVD Module
STATUS signal from the DVD Module
CLK signal for the DVD Module
Control Signal for the WIDE function
Mute signal output for Front speaker
Mute signal output for Center speaker
Not used
Mute signal output for Subwoofer
Mute signal output for Headphone
Signal from DVD module control mute
circuit
Mute signal 1 for video output
Control signal for the video signal Mix
MUTE signal for the Line output
DATA signal for 6ch VOL ASP
CLOCK signal for 6ch VOL ASP
Line out for SCART terminal
Muting circuit for the MIC input
DATA Signal for S.SRND IC
Clock Signal for S.SRND IC
Not used, open
H.Bass Mute
Pin Terminal I/O
No. Name
56 HB_LVL -
57 CMIX -
58 SURR_FC1 O
59 SURR_FC2 -
60 N.C -
61 N.C -
62 VCC -
63 FAN_CTRL O
64 VSS -
65 RF_DET -
66 RF_PCON -
67 RF_LINK -
68 DVD_PCNT O
69 N.C -
70 PCONT O
71 MUTE_H O
72 DC_DET I
73 RDS_CK I
74 RDS_DAT I
75 JOG_B I
76 JOG_A I
77 N.C -
78 N.C -
79 N.C -
80 N.C -
81 FLD_DA I
82 N.C -
83 N.C -
84 N.C -
85 N.C -
86 KEY 3 -
87 FLD_RST O
88 FLD_CS O
89 FLD_CK O
90 N.C -
91 KEY 2 I
92 N.C -
93 DES3 I
94 MODEL_ I
SEL
95 DES1 I
96 AVSS -
97 KEY1 I
98 VREF -
99 AVCC -
100 N.C -
72
Function
Not used, open
Not used, open
Surround Freq. Limiter 1
Not used, open
Not used, open
Not used, open
Power supply 5.0V
FAN Control output
GND (0V)
Not used, open
Not used, open
Not used, open
Control signal for the power for the DVD
Module
Not used, open
Control Signal for the Power Control
Relay
HIC Mute
Signal from the DC Detection circuit
Clock signal from the RDS decoder
Data signal from the RDS decoder
Signal B from Volume JOG
Signal A from Volume JOG
Not used, open
Not used, open
Not used, open
Not used, open
Data input for the FL Driver
Not used, open
Not used, open
Not used, open
Not used, open
Not used, open
Reset signal for the FL driver
Latch signal for the FL driver
Clock signal for the FL driver
Not used, open
Key 2 line input
Not used, open
Region setting for DVD
Model selector
Region setting for Tuner
Analog power supply input
Key 1 line input
Reference voltage input
Analog power supply input
Not used, open