crwdns2933803:01crwdne2933803:0
crwdns2933797:0Richdavecrwdnd2933797:0crwdne2933797:0
crwdns2936043:0crwdne2936043:0 crwdns2933505:0crwdne2933505:0 Richdave
- crwdns2933769:0crwdne2933769:0
- crwdns2933771:0crwdne2933771:0
- crwdns2933801:0crwdne2933801:0
crwdns2933807:0crwdne2933807:0
| [* black] Once the main board is removed, turn it over to expose the side that was facing the chassis. | |
| - | [* blue] Locate IC1803 which is the EPROM that |
| + | [* blue] Locate IC1803 which is the EPROM that needs replacing. |
| [* icon_caution] Carefully remove the old EPROM being careful not to damage the copper pads or tracks on the board | |
| [* black] Use solderwick to carefully clean the pads where the old EPROM was mounted | |
| [* red] Install the new EPROM ensuring you orient pin 1 of the new device with the correct location on the board | |
| [* icon_note] Check the solder joints with a magnifying glass to ensure there are no bridges between the EPROM pins before you reassemble and power up the TV | |
| + | [* icon_note] The IC 1803 designation and location on the board is specific to the LA40R81BD model TV. |
| + | [* icon_note] When you power up the TV it may cycle a few times before turning on normally. This is due to the EPROM being blank and default data being written to it. This is normal. You will need to reset all customised parameters and the date/time in the main menu. |