C-1bit 000bit 100bit 200bit 300bit 400bit 500bit 600bit 700Option 1Option 2WHEN REPLACING EEPROM (MEMORY) ICIf a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken toensure correct data settings while making reference to TABLE 1 (For TX-15AT1 (PAL-I )).Adjust the unit to channel 99.Select the sharpness setting screen by the FUNCTION button on the unit. Set the sharpness setting to the minimum.While pressing the DOWN button on the unit, press the MUTE button on the remote control at the sharpness setting screen.The adjustment mode screen will appear.In this case, release the DOWN button on the unit first. Because, the adjustment mode screen may disappear.Press the STATUS button on the remote control. The Option 1 setting screen will appear as shown Fig. 1.1.2.3.4.Table 1Check if the DATA for each bit are set as shown on the Table 1.If not, set to the correct DATA by the direct channel button on the remote control. Then enter it by the TV/AV button on theremote control.Set to the Option 2 setting screen by the UP button on the remote control.Repeat steps 5 to 6.Press the FUNCTION button on the remote control to return the normal screen.***** TXT V2.07 19.12.01Option 17 6 5 4 3 2 1 00 0 0 0 0 0 0 0Fig. 15.6.7.8.9.