#Chinatv#Standby.How to repair china tv standby problem.

CHINA TV 14"NORMAL PCB MAIN IC 8895CSNG 7DN5/8895CSNG 7GG9 EHT BSC25-T1010A VERTICAL IC LA78040 SOUND IC TDA2003 TRANSISTOR POWER STANDBY PROBLEM 1.Power on/Check eht supply voltage---ok. 2.Check h out transistor collector voltage------ok. 3.Check horizontal driver supply voltage-----ok. 4.Check video output supply voltage----No genarate +180v 5.Check memory ic supply voltage---low. 6.Power off/Check ohms between supply and ground(memory ic)---low. 7.Open 5V supply three point from pcb. a)Memory ic supply pin No.8(5V). b)Main ic pin No.55(5V). c)Main ic pin No.9(5V). 8.Check ohms memory ic supply pin----No reading(No short memory ic). 9.Check ohms main ic pin No. 55------High(No short this pin). 10.Check ohms main ic pin No.9-------low(Internally short this pin). 11.Main ic defective confirm. 12.open main ic,this ic defective.(8895CSNG 7DN5). 13.Substitude ic 8895CSNG 7GG9.Set this new ic. 14.Power on/Check memory ic supply voltage----ok. 15.Then-----