[求助]东芝25E3XC3亮度失控

接手一台东芝25E3XC3彩电,开机兰屏光栅过亮,无图无声,搜不到台.换到AV,将亮度调到最小有图像,但鬼脸,彩色不正常,将色彩调到最小,有黑白图像但拖尾.怀疑亮度失控.测加速电压207.5V(图纸标180V),主电源电压127.5V(图标125V),测滤波电容C884(330U/160V),C447(22U/250V)正常.因第一次接手这样的机子不知再从何处下手(电源无可调,图纸的英文看不太明白).望老师指点.现附上图纸.

this item stoped working after 2 days i dont know why.
------- xy-admin
i had a very hard time to get my money back and had to claim from paypal beware.
------- bazgocat
Received item NOT as it was in description. Never trust to this seller.
------- batyr77j
received did not like its, wanted to exchange but seller say no,I very unwanted.
------- bruc97
The charger for the phone broke within a week, and the phone is garbage.
------- mbra3055
I never got my 4GB memory card.
------- dino_minnella

These are comments from eBay buyers for the store 1stshophere and 1stshophere.com. Please be careful when you make decision. Also please keep your eyes open when you buy from digitalchina, memoryworld. Stores with good scores ...

我这台也一样！满屏的回扫线，怀疑高压包坏！

刚查了是显像管蓝枪碰极了！惨！不知哪位高手能修？