9.1. Main BlockIC601 : C2DBLK000071PinNo.Port Description I/O Vol(V)1 AVREF0 Reference voltage for A/Dconverter- 3.22 AVSS Ground for A/D converter - 03 ANT CNT Antenna control O 3.24 RM CUT Ext. remote control output cutoffO 05 AVREF1 Reference voltage for A/Dconverter- 3.26 Touch RESET Touch Panel reset O 3.27 TN CNT Ext. TV tuner control O 3.28 IC/FLMD0 Flash memory update control - 09 VDD +3V power supply - 3.210 REGC Bypass capacitor terminal forvoltage reg.- 2.511 VSS Ground - 012 X1 Crystal osillator terminal I 1.113 X2 Crystal osillator terminal - 1.214 /RESET System reset I 3.215 XT1 (Connecting to ground) - 016 XT2 Not used - 2.517 CH CHANGE Not used - 018 CH STB/XMDET2Changer data strobe / XMconnection checkI 5.019 RDS DATA RDS data I 3.320 RDS CLK RDS clock I 021 CHC SENS Twin-changer adapterdetectionI 022 OSD CS OSD chip select O 1.023 OSD DO OSD control data O 0.624 OSD CLK OSD data shift clock O 2.225 XMSO(MO)/TXDA0XM data O 5.026 CH DATA/XMSI/RXDAOChanger data / XM data I 027 CH CLK/XMDET1Changer clock / XM detectionsignalI 3.128 REMO DATA Ext. remote control signal I 5.029 CHC REM OUT Changer remote control code O 5.130 I2C CLK I2C bus clock O 5.131 I2C DATA I2C bus data O 5.132 OSD RESET OSD reset O 3.233 EVSS Ground for ext. unit - 034 EVDD +3V power supply for ext. unit - 3.235 DVD TX(MO) DVD deck TX data O 3.236 DVD RX(MI) DVD deck RX data I 3.237 BEEP Beep signal O 038 AMP CNT Ext. AMP control O 3.239 AMP STB Ext. AMP stand-by O 5.040 TFT SI(MI) TFT unit communication data I 041 TFT SO(MO) TFT unit communication data O 0.542 TFT CLK TFT unit communication clock O 5.043 AMP MUTE Internal power AMP mute O 044 SYS ON System power (5V) control forSW PCBO 045 NAVI REMOOUTNAVI remote control data O 046 ENTER ENTER key I 3.347 FRONT MUTE Audio signal (BEEP NAVI)muteO 5.048 VD COUNT Vertical drive signal count I 5.049 REAR MUTE Video out mute O 5.050 NC (Ground pull down) O 0PinNo.Port Description I/O Vol(V)51 DE EMPH I2C1 I2C1 de-emphasis control O 052 SYS MUTE (F) System mute (FRONT) O 5.053 SYS MUTE (S) System mute (SURROUND) O 5.054 SYS MUTE (C) System mute (CENTER) O 5.055 SYS MUTE(SW) System mute (SW) O 5.056 BATT SENS Battery level detection I 5.057 ACC SENS ACC level detection I 5.058 PULSE Monitor position detectionpulseI 5.059 SYS PWR System power control O 5.060 MAIN PWR Main power control O 3.261 MONI PWR Monitor power control O 3.262 NAVI RM CH NAVI remote control outputchangeO 063 MODE LED MODE LED on/off O 3.264 EJECT LED EJECT LED on/off O 065 NAVI LED NAVI LED on/off O 066 MA Drive mechanism controlsignalO 3.267 MB Drive mechanism controlsignalO 3.268 MC Drive mechanism controlsignalO 3.269 BVSS Ground for bus I/F - 070 BVDD Power supply for bus I/F - 3.271 FAN CNT Fan motor power control O 3.272 ROTARY.1 Rotary encoder signal (VOLDOWN)I 073 ROTARY.2 Rotary encoder signal (VOLUP)I 3.374 DSP INIT DSP initialise detection I 3.375 RADIO CNT Radio power control O 3.276 DVD MUTE DVD mute request / Flashmemory update cnt.I 3.377 DSP SCK Shift clock for DSPcommunication dataO 2.878 DSP SDA DSP communication data O 3.179 DSP RESET DSP reset O 3.280 DVD CNT DVD deck power control O 3.281 DVD RESET Reset signal for DVD deckcontrol MPUO 3.282 FRAM HOLD F-RAM hold O 083 FRAM CLK Shift clock for F-RAM data O 084 FRAM DO F-RAM serial data O 085 FRAM CS F-RAM chip select O 3.286 FRAM WP F-RAM write protect O 087 SW PWR Switching power supplyfrequency changeO 088 MODE MODE key detection I 3.289 JOY A/D ADC input terminal for joy sticsignalI 3.390 NAVI DISP NAVI display activity detection I 3.391 NAVI SENS NAVI system connectiondetectionI 3.392 SIDE BRAKE Side break detection I 3.393 INIT DET Destination detection I 094 POSI SENS ADC input terminal formonitor position signalI 2.495 NAVI MUTE NAVI mute I 096 OFFSET DET Power IC abnormalitydetectionI 097 AD KEY ADC input terminal for ADkey signalI 3.398 REVERSE REVERSE signal detection I 3.399 FRAM DI F-RAM serial data I 0100 V NAVI NAVI RGB signal change O 09 TERMINALS DESCRIPTION7CQ-VD7001U