7773D/V7773D-B/V9993DCIRCUIT DESCRIPTIONModeering the Test Modepressing the "INPUT SELECTOR DOWN" key, plug the power cord into AC wall outlet.celling the Test Modeized and cancel the test mode if pulling out the power cord.itialized and cancel the test mode if the power switch turns off.tents of the Test Modey Operationollowing operation is available when the FL is all lighting up mode only.EY OPERATION DISPLAYUND Set up the RF frequency to 411.3MHz. RF 417.3MHzMODE Set up the RF frequency to 414.3MHz. RF 414.3MHzMODE Set up the RF frequency to 411.3MHz. RF 417.3MHzT UP Indicates Tuner destination on the FL. EX. TYPE E1 TYPE E2ORY Changed dimmer off/1/2cyclically. All FL light on ALL FL light offD KEY Indicates the u-com version. EX. Ver . XXXXXX-X(Main) u-comμPD784215-GF570PANEL KEYFL DRVuPD780204FLPOWER,INPUT UP/DOWN KEYSP. RLYMUTINGSELECTOR ICX11, IC3X13, IC81X13, IC22X11, IC5X13, IC82X25, IC4X11, IC1X25, IC3VOL. ICX11IC301~304X13, IC71X25, IC1X25, ED1X08, IC40X13, IC1/5/7/8X05, IC2NJU71311SELECTOR ICNJU71312SELECTOR ICNJU71313SUB u-co muPD784036VIDEOPANEL DOORDESTINATIONSELECTOR ICBA7649LCD REMOTETRANSMIT ICuPD17215PLL for RemoconModelLV2105VTUNER UNITLC72131VOLUME ICTC9459FVOLUME ICTC9459FVOLUME ICTC9459FVOLUME ICTC9459FTONE CONTROL ICTC9184PROTECTIONPOWER RLYIR RECEIVERSL16UARTIR/RF Front/RearswitchIR/RF Front/RearswitchROTARYENCODERRELAY CONTROLFANMicroprocessor : uPD784215-GF570 (X13, IC23)n Microprocessor Periphery Block Diagram