LgtvStandby.How to repair lg crt tv.

LG TV 21"NORMAL PCB MAIN IC TDA9340PS/N3/A/1833 EHT 6174V-6006E/Y VERTICAL IC TDA4863AJ SOUND IC TDA7297 VIDEO IC TDA6107AJ AV IC TDA9859 STR W6754 STANDBY 1.Power on/Check 3.3V regulator output voltage------low. 2.Check 3.3V regulator input voltage-------low. 3.Check memory ic supply voltage--------low. 4.Check 5v regulator input voltage-------ok. 5.Check 5V regulator output voltage------low. 6.Power off/Open 5V regulator ic842(S78DL05). 7.Set new big 5V regulator. 8.power on/Then------

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