Рет қаралды 28,101
VIDEOCON TV 21"ULTRA SLIM CRT PCB
MAIN IC NT11135PC310CG.
EHT BSC25-N0608
VERTICAL IC STV8172A
SOUND IC TDA7297SA
STR 5Q0765RT
PICTURE WITH DOT
1.Power on/Check blue cathode voltage------ok.
2.Check red cathode voltage------ok.
3.Check green cathode voltage------ok.
4.Check blue drive voltage---ok.
5. 3.Check green drive voltage---ok.
6.Check red drive voltage---ok.
7. 3.Check low supply voltage---ok.
8.Power off/Open new crt neck base board.(IC TDA6107JF).
9.Cut+180V,heater and ground supply.
10.Add a)supply +180V
b)ground
c)heater
d)ground
11.Add RGB drive connections
a)blue drive
b)green drive
c)red drive
d)ground
e)low voltage/IK
12.THEN----------