Terminal Function Of Ics; Microprocessor Ic - Panasonic SA-HT340EB Service Manual

SA-HT340E / SA-HT340EB / SA-HT340EG

23 Terminal Function of ICs

23.1. IC2018 (C2CBYY000194):
System Control

Microprocessor IC

Pin Terminal Name
No.
1 TRAY_
CLOSE
2 TRAY_CCW
3 TRAY_CW
4 TRY_OPEN
5 SINE_SW
6 N.C
7 SINE_FL
8 BYTE
9 CNVSS
10 N.C
11 N.C
12 RESET
13 XOUT
14 VSS
15 XIN
16 VCC
17 NMI
18 RMT
19 SYNC
20 AM_BP
21 MIC_EN
22 N.C
23 EDA
24 ECK
25 ECS
26 N.C
27 N.C
28 DVD_CLK
29 DVD_STAT
30 DVD_CMD
31 RF_DET
32 RF_PCON
33 RF_LINK
34 RF_DATA
35 TUN_SD
36 TUN_CLK
37 TUN_DO
38 TUN_DI
39 N.C
40 PCONT
41 EPM
42 DVD_MUTE
43 N.C
44 N.C
45 N.C
46 N.C
I/O Function
I Loading mechanism close SW ( L: SW
ON )
O Terminal for tray control 1
O Terminal for tray control 2
I Loading Mechanism open SW ( L: SW
ON )
I Detect of square wave 1
- No connection
I Detect of square wave 2
- VSS (GND)
- VSS (GND)
- No connection
- No connection
I System Reset Input
- Main Clock Output (10.0 MHZ)
- GND (0V)
- Main Clock Input (10.0 MHZ)
- Power supply (5V)
I Connect to VCC, External Interrupt I/P
I Remote control input
I AC failure detection input
O AM beat proof
- No connection
- No connection
I/O DATA signal for the EEPROM
O CLOCK signal for the EEPROM
O LAT signal for the EEPROM
- No connection
- No connection
I CLK signal for the DVD Module
I STATUS signal from DVD Module
O CMD signal for the DVD Module
I RF module detection - wireless ready
- RF power control
I RF link control - wireless ready
O RF change direction -wireless ready
I CMD signal for the DVD Module
O I2C Clock Data Tuner
I Stereo Detection
O I2C Data for Tuner
- No connection
O Control Signal for the Power Control
Relay
- Connect to Flash
I Signal from DVD module control mute
circuit
- No connection
- No connection
- No connection
- No connection
Pin Terminal Name I/O
No.
47 N.C
48 N.C
49 N.C
50 N.C
51 N.C
52 N.C
53 N.C
54 N.C
55 N.C
56 N.C
57 N.C
58 N.C
59 N.C
60 N.C
61 N.C
62 N.C.
63 N.C
64 VSS
65 VCC_CTRL
66 MIC_SW
67 MUTE_C
68 MUTE_SURR
69 MUTE_F_SW
70 DC_DET
71 STBY
72 DVD_PCNT
73 N.C
74 N.C
75 N.C
76 JOG_A
77 JOG_B
78 N.C
79 SCART_ MUTE
80 WIDE1
81 RGB_H
82 YC-H
83 ASP_CLK
84 ASP_DAT
85 FLD_CLK
86 FLD_STB
87 FLD_OUT
88 RDS_DAT
89 MD3
90 MD2
91 KEY 2
92 MD1
93 DES3
94 DES2
95 DES1
96 AVSS
97 KEY1
98 VREF
99 AVCC
100 BRAKE_H
82
Function
- No connection
- No connection
- No connection
- No connection
- No connection
- No connection
- No connection
- No connection
- No connection
- No connection
- No connection
- No connection
- No connection
- No connection
- No connection
- No connection
- No connection
- GND (0V)
O Power suppply control
O Mic surround
O Center mute
O Surround mute
O Front and subwoofer mute
I Signal from the DC Detection circuit
O Digital amplifier standby control
O Control signal for the power for the
DVD Module
- No connection
- No connection
- No connection
I Signal A from Volume JOG
I Signal B from Volume JOG
- No connection
O Line out for SCART terminal
O Control signal for the WIDE function
O Mute signal 1 for video output
O Control signal for the video signal Mix
O ASP clock
O ASP data
O Clock signal for the FL driver
O FL driver strobe
O FL data out
I Data signal from the RDS decoder
I Model code 3
I Model code 2
I Key 2 line input
I Model code 1
I Region setting for DVD
I Model code Digit 1
I Region setting for Tuner
- Analog power supply input
I Key 1 line input
- Reference voltage input
- Analog power supply input
O Terminal for tray control 3