#Chinatv

AKAI TV 21"NORMAL PCB china circuit.
MAIN IC TDA11105PS/V3/3
EHT BSC25-T1010A
VERTICAL IC LA78040
SOUND IC TDA2003
STR CQ0765RT
STANDBY PROBLEM
1.Power on/Check EHT supply voltage---ok.
2.Check H OUT transistor voltage------ok.
3.Check H DRIVER voltage-----ok.
4.Check video output supply voltage---low.
5.Check memory IC voltage and SCL,SDA voltage---- ok.
6.Check cristal voltage---ok.
7.Check 5V main IC pin No.2----nil.
8.Check 8V main IC pin No.3------nil.
9.Check voltage main IC pin No.33----high.
10.Check voltage main IC pin No.40----Ok.
11.Check voltage main IC pin No.43----ok.
12.Power off/Open cristal (24.576Mhz).
13.Set new cristal.
14.power on/Check again main IC voltage.
15.Then-----