CHINA TV 14"NORMAL PCB
MAIN IC 8895CSNG 7DN5
EHT BSC25-T1010A
VERTICAL IC LA78040
SOUND IC TDA2003
TRANSISTOR POWER
1.Power on/Check vertical ic(LA78040) pin voltages.
2.Check vertical drive voltage main ic pin No.16------ok.
3.Touch tweezer pin 16---------no response on tv screen.
4.Tweezer touch input of register R217(15K)-----ruster not spread.
5.Tweezer touch output of register R217(15K)----ruster spread.
6.Power off/Open register15K.
7.Measure register 15K ----registivity high.
8.Set new 15K register.
9.Power on/Then-----

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