Zenith H19F34DT Series Service Manual

Also see for H19F34DT Series: Installation and operating guide, warranty

SR25-3828VD0171B 1-6 CL - OVERVIEWLT-2000 & 2002 CLONE PROGRAMMERUsing the on-screen menu, select a memory or returnto the main selection menu. Then press ON/OFF, POWER,or ENTER to activate the selection.The next screen allows for one last opportunity to checkthe versions of TV and clone setups. Press ON/OFF orPOWER to activate the teaching cycle, or any other keyto return to the selection menu to make other choices.Once a process has begun, the TV screen will displaythe “TEACHING IN PROGRESS” message. Please wait forthe process to complete. When the TV screen displays“TEACHING COMPLETED”, press any key to end theteaching process and return to the clone selection menu.SET CLONE CLOCK FROM TVTo set the real-time clock in the LT2002, select “SETCLONE FROM TV” and then press ON/OFF, POWER, or ENTERto copy current TV time to the clone clock. Alternatively,use the TV front panel CHANNEL UP or CHANNEL DOWNkeys to highlight the choice. Then press ON/OFF, POWER,or ENTER to activate.This process will return the LT2002 to the sign-on screento display the clone and TV clock settings. Press a keyto go to the clone selection menu and perform otherfunctions, or simply disconnect if the time setting wasthe last task.SET TV CLOCK FROM CLONETo set the real time clock in the, select “SET TV CLOCKFROM CLONE” and then press ON/OFF, POWER, or ENTERto copy current LT2002 time to the TV clock.Alternatively, use the TV front panel CHANNEL UP orCHANNEL DOWN keys to highlight the choice. Then pressON/OFF, POWER, or ENTER to activate.This process will return the LT2002 to the sign-on screento display the clone and TV clock settings. Press a keyto go to the clone selection menu and perform otherfunctions, or simply disconnect if the time setting wasthe last task.DISPLAY TV SETUPSelect “ DISPLAY TV SETUP”, and then press ON/OFF,POWER, or ENTER to begin the teaching process.Alternatively, use the TV front panel CHANNEL UP orCHANNEL DOWN keys to highlight your choice. Then pressON/OFF, POWER, or ENTER.The TV screen will display the items in the service menusetups. Use this function to quickly check the TV forcorrect setup. Press any key to clear display and returnto the clone selection menu.DISPLAY CLONE SETUPSelect “DISPLAY CLONE SETUP” and then press ON/OFF,POWER, or ENTER to begin the teaching process.Alternatively, use the TV front panel CHANNEL UP orCHANNEL DOWN keys to highlight the choice, then pressON/OFF, POWER, or ENTER to begin.The TV screen will display the memory selection menu.Select the desired memory number, and then press ON/OFF, POWER, or ENTER to display the contents of theselected memory. Alternatively, use the TV’s CHANNELUP or CHANNEL DOWN keys to highlight the choice, thenpress ON/OFF, POWER, or ENTER to begin.The TV screen will display items in the factory menusetup. Use this function to quickly check contents of aparticular clone memory for correct setup. Press anykey to clear the display and return to the clone selectionmenu.OPERATION NOTESDisconnect the LT2002 from the TV set when the desiredtask has been completed. Disconnecting the cloneautomatically switches it off. The real time clockcontinues to run when the main circuits are switchedoff.After replacing exhausted batteries, or if the programmerbehaves strangely after a static shock, use a paper clipor similar instrument inserted through the small holemarked “RESET” to activate the internal reset switchand restore normal operation. After reset, check thereal-time clock setting. It may be necessary to resetthe clock from a TV programmed to the correct time.The specific microprocessor used in any TV set may bedetermined by activating the service menu. Themicroprocessor part number appears at the top of thescreen with the service menu is activated. Processorsbefore the 221-01006 has limited screen displaycapability. They cannot display entire screens as shownin the quick setup instructions accompanying theLT2002 programmer. Use the printed menu illustrationson the quick setup sheet as an aid in makingprogramming choices.