Samsung PS43D450A2W Service Manual

Also see for PS43D450A2W: E-manual User manual

Contents

4. Troubleshooting4. Troubleshooting4.1. Checkpoints by Error Mode4.1.1. First Checklist for Troubleshooting1) Check the various cable connections first.• Check to see if there is a burnt or damaged cable.• Check to see if there is a disconnected or loose cable connection.• Check to see if the cables are connected according to the connection diagram.2) Check the power input to the Main Board.3) How to distinguish if the problem is caused by Main board or Logic Board.• No Video : If the problem is No Video but Logic Board is on and Indication LED is blinking repeatedly andfaster than normal booting, replace the T-Con board.• Distorted Picture : Check the inner patterns.Inner pattern Picture ProblemOK NG Main boardNG NG Main or LVDS cable or Logic Board or Panel.• How to check inner pattern?a. Factory mode (mute → 1 → 8 → 2 → Power on when TV is in ‘stand - by mode’ )b. Move to SVC menu.c. Move to Test Pattern.d. Check inner patterns.Copyright© 1995-2011 SAMSUNG. All rights reserved. 4-1www.freeservicemanuals.info8/6/2016Published in Heiloo Holland