Panasonic SA-HT340E, Service Manual

Page: 82 / 95

23.1. IC2018 (C2CBYY000194):
System Control
Microprocessor IC
Pin
No.
Terminal Name I/O Function
1 TRAY_
CLOSE
I Loading mechanism close SW ( L: SW
ON )
2 TRAY_CCW O Terminal for tray control 1
3 TRAY_CW O Terminal for tray control 2
4 TRY_OPEN I Loading Mechanism open SW ( L: SW
ON )
5 SINE_SW I Detect of square wave 1
6 N.C - No connection
7 SINE_FL I Detect of square wave 2
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 O AM beat proof
21 MIC_EN - No connection
22 N.C - No connection
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 N.C - No connection
28 DVD_CLK I CLK signal for the DVD Module
29 DVD_STAT I STATUS signal from DVD Module
30 DVD_CMD O CMD signal for the DVD Module
31 RF_DET I RF module detection - wireless ready
32 RF_PCON - RF power control
33 RF_LINK I RF link control - wireless ready
34 RF_DATA O RF change direction -wireless ready
35 TUN_SD I CMD signal for the DVD Module
36 TUN_CLK O I2C Clock Data Tuner
37 TUN_DO I Stereo Detection
38 TUN_DI O I2C Data for Tuner
39 N.C - No connection
40 PCONT O Control Signal for the Power Control
Relay
41 EPM - Connect to Flash
42 DVD_MUTE I Signal from DVD module control mute
circuit
43 N.C - No connection
44 N.C - No connection
45 N.C - No connection
46 N.C - No connection
Pin
No.
Terminal Name I/O Function
47 N.C - No connection
48 N.C - No connection
49 N.C - No connection
50 N.C - No connection
51 N.C - No connection
52 N.C - No connection
53 N.C - No connection
54 N.C - No connection
55 N.C - No connection
56 N.C - No connection
57 N.C - No connection
58 N.C - No connection
59 N.C - No connection
60 N.C - No connection
61 N.C - No connection
62 N.C. - No connection
63 N.C - No connection
64 VSS - GND (0V)
65 VCC_CTRL O Power suppply control
66 MIC_SW O Mic surround
67 MUTE_C O Center mute
68 MUTE_SURR O Surround mute
69 MUTE_F_SW O Front and subwoofer mute
70 DC_DET I Signal from the DC Detection circuit
71 STBY O Digital amplifier standby control
72 DVD_PCNT O Control signal for the power for the
DVD Module
73 N.C - No connection
74 N.C - No connection
75 N.C - No connection
76 JOG_A I Signal A from Volume JOG
77 JOG_B I Signal B from Volume JOG
78 N.C - No connection
79 SCART_ MUTE O Line out for SCART terminal
80 WIDE1 O Control signal for the WIDE function
81 RGB_H O Mute signal 1 for video output
82 YC-H O Control signal for the video signal Mix
83 ASP_CLK O ASP clock
84 ASP_DAT O ASP data
85 FLD_CLK O Clock signal for the FL driver
86 FLD_STB O FL driver strobe
87 FLD_OUT O FL data out
88 RDS_DAT I Data signal from the RDS decoder
89 MD3 I Model code 3
90 MD2 I Model code 2
91 KEY 2 I Key 2 line input
92 MD1 I Model code 1
93 DES3 I Region setting for DVD
94 DES2 I Model code Digit 1
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 BRAKE_H O Terminal for tray control 3
23 Terminal Function of ICs
82
SA-HT340E / SA-HT340EB / SA-HT340EG