Ic2018 (C2Cbhg000197): Microprocessor Ic - Panasonic SA-HT330EB Service Manual

27 Terminal Function of IC´s
27.1. IC2018 (C2CBHG000197):
MICROPROCESSOR IC
Pin Terminal I/O
No. Name
1 TRAY_ I Loading mechanism close SW
CLOSE ( L: SW ON )
2 TRAY_CCW O Terminal for tray control 1
3 TRAY_CW O Terminal for tray control 2
4 TRAY_ OPEN I Loading Mechanism open SW
( L: SW ON )
5 N.C - No Connection
6 N.C - No Connection
7 BRAKE_H O Terminal for tray control 3
8 BYTE - VSS (GND)
9 CNVSS - VSS (GND)
10 N.C - No Connection
11 N.C - No Connection
12 RESET I System Reset Input
13 XOUT - Main Clock Output (10.0 MHZ)
14 VSS - GND (0V)
15 XIN - Main Clock Input (10.0 MHZ)
16 VCC - Power supply (5V)
17 NMI I Connect to VCC, External Interrupt I/P
18 RMT I Remote control input
19 SYNC I AC failure detection input
20 AM_BP - AM Beat Proof for SMPS
21 MIC_EN I Microphone Enable
(L=Disable,H=Enable)
22 TOCM_ I TOC Muting Enable
ENABLE (H = Enable, L= Disable)
23 EDA I/O DATA signal for the EEPROM
24 ECK O CLOCK signal for the EEPROM
25 ECS O LAT signal for the EEPROM
26 N.C - No Connection
27 BP_ ENABLE I Beat Proof Enable
( H = Enable, L = disabe)
28 DVD_CLK I CLK signal for the DVD Module
29 DVD_STAT O STATUS signal from the DVD Module
30 DVD_CMD O CMD signal for the DVD Module
31 Tx - For FLASH writer
32 Rx - For FLASH writer
33 CLK - For FLASH writer
34 HOP_DA O Frequency Hoping Control DA
(for FLASH writing)
35 N.C O No Connection
36 N.C I No Connection
37 N.C I No Connection
38 TUN_DI O I2C Data for Tuner
39 DC_DET O Signal from the DC Detection circuit
40 PCONT O Control Signal for the Power Control
Relay
41 EPM - For Flash
42 YC_H O Control signal for the video signal Mix
43 DVD_MUTE O Signal from DVD module control mute
44 WIDE1 I Control Signal for the WIDE function
45 RGB_H O Mute signal 1 for video output
46 ASP_CLK O Clock signal for 6ch VOL ASP
47 ASP_DAT O Data signal for 6ch VOL ASP
48 HP_MUTE O Head Phone Mute signal
49 TUN_SD O Station Detect
50 TUN_CLK O I2C Clock for Tuner
51 TUN_DO O Stereo Detect
52 SCART_ O Line out for SCART terminal
MUTE
53 MIC_MUTE O Muting circuit for the MIC input
Function
99
Pin Terminal I/O
No. Name
54 MIC_SW - MIC Insertion Detect (if MIC_EN = 1)
No Connection (if MIC_EN = 0)
55 N.C O No Connection
56 N.C - No Connection
57 N.C - No Connection
58 N.C O No Connection
59 N.C - No Connection
60 N.C - No Connection
61 N.C - No Connection
62 VCC - Power supply 5.0V
63 N.C O No Connection
64 VSS - GND (0V)
65 N.C - No Connection
66 N.C - No Connection
67 MUTE_SUB - Subwoofer Mute
68 MUTE_SUR O Surround L & R Mute
69 MUTE_F - Front L & R Mute
70 MUTE_SUB O Sub Woofer and Center Mute
_CC
71 MUTE_ DAMP O Digital Amp Standby Control
72 DVD_ PCONT I Control Signal for the Power for the DVD
MODULE
73 RDS_CLK I Clock signal from the RDS decoder
74 RDS_DAT I Data signal from the RDS decoder
75 JOG_B I Signal B from Volume JOG
76 JOG_A I Signal A from Volume JOG
77 N.C - No Connection
78 N.C - No Connection
79 N.C - No Connection
80 N.C - No Connection
81 N.C I No Connection
82 N.C - No Connection
83 N.C - No Connection
84 N.C - No Connection
85 N.C - No Connection
86 FLD_STB - FL Strobe
87 FLD_IN O FL_Data_In
88 N.C O No Connection
89 FLD_CLK O Clock Signal for the FL Driver
90 N.C - No Connection
91 KEY 2 I Key 2 line input
92 N.C - No Connection
93 DES3 I REGION Setting for DVD
94 DES2 I Model Selector
95 DES1 I Region setting for Tuner
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 N.C - No Connection
SA-HT330EB
Function