#Chinatv 

CHINA TV 21"NORMAL PCB
MAIN IC 8873CSCNG 6PR6
EHT BSC25-T1010A
VERTICAL IC LA78040
SOUND IC CV203
CHINA TV POWER OUTPUT VOLTAGE HIGH
1.Power on/Check EHT supply voltage---high.
2.Power off/measure transistor C1815.
3.Measure zener diode 6.8V----ok
4.Measure Optocupler.
5.Open transistor C1815.
6.Measure transistor C1815----Short.
7.Set new transistor C1815.
8.Power on/Measure EHT supply voltage---same(high).
9.Power off/Open Optocupler
10.Measure Optocupler-- reading ok but it will be replace.
11.Set new Optocupler.
12.Then----------