O
Olda007
Gast
Your phpBB Version:
PHP Version:
MySQL Version:
Your phpBB Type: Standard phpBB (also called Vanilla)
Schaltbild vorhanden: No
Your knowledge: Basic Knowledge
Description and Message:
Hello!
I am big fan of TV Grundig.I have 2 television Grundig.But 3 weeks ago my Grundig ST 1772Top-chassis 29701 was defected-faulty.East-west correction not function.I remove the cover and IC 430-TDA8350Q was open circuit on pin 11.I changed this IC 403 and diode D 502,D503,condensator C502,C503 and Zenner D 434-33V.TV was function few hours,and after 8,9 hours was defected east-west again.I found fault transistor T1 on board 29304-279.75/48.Board is soldered on horizontal and vertical coils on tube.Picture in service mode I can regulate and change-like height,E-W ,trapeze,V shift-but picture is still too wide,when I decrease value "width"-picture is not have straight line-is deformed east west.Please,can you give me some advise?Can you help me please?I like this TV.
Thank you Olda
PHP Version:
MySQL Version:
Your phpBB Type: Standard phpBB (also called Vanilla)
Schaltbild vorhanden: No
Your knowledge: Basic Knowledge
Description and Message:
Hello!
I am big fan of TV Grundig.I have 2 television Grundig.But 3 weeks ago my Grundig ST 1772Top-chassis 29701 was defected-faulty.East-west correction not function.I remove the cover and IC 430-TDA8350Q was open circuit on pin 11.I changed this IC 403 and diode D 502,D503,condensator C502,C503 and Zenner D 434-33V.TV was function few hours,and after 8,9 hours was defected east-west again.I found fault transistor T1 on board 29304-279.75/48.Board is soldered on horizontal and vertical coils on tube.Picture in service mode I can regulate and change-like height,E-W ,trapeze,V shift-but picture is still too wide,when I decrease value "width"-picture is not have straight line-is deformed east west.Please,can you give me some advise?Can you help me please?I like this TV.
Thank you Olda
