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daewoo tv model DTQ-13Z5SC when connecting antenna turns off
hace 5 años
hace 5 años
Good colleagues came to me TV brand daewoo model DTQ-13Z5SC chassis: CN-001P looks very perfect image but turns off when connecting the antenna to turn it on again I have to unplug it and plug in who could give me clues with this fault thankful colleagues
17.741
hace 5 años
hace 5 años
Download the free diagram here.
Have you checked if by AV placing a DVD?
When the scribctambien goes down a little, it turns off?
The + b must be 133v, control C 814 and C820. Like R 814, if it is bad, the TV turns off because the OCP is activated.
It can also be something else.
https://www.electronica-pt.com/esquema/tv/daewoo-esquemas-tv/daewoo-dtq-14z5sc-chassiscn-001p-17586/
hace 5 años
Q more colleagues greetings I tell you change the line filter of 160v 47mf
The small filter of 50v 4.7mf and nothing remains the same otherwise, colleague can you tell me what will be the protection transient to do a test since I see that the sharp image looks good but does not last turns off
17.741
hace 5 años
By your comment you did not change the C 814-de 100uf z 160v.
And the R 814.
Let's assume that it also turns off when scrin down or with DVD.
OKAY.
According to the diagram that drove that chassis at the source carries 2 electrolytic. The 2 are changed. I commented on the voltage taken in the main electrolytic and at the output of + b. And audio.
Review welds well.
Control R805 0.33ohm 2W. Greetings.
285
hace 5 años
hace 5 años
Colleague, something similar happened to me once, there are some elements, I am not sure if they are ceramic capacitors, which connects the earth of the primary source with the secondary earth, they are usually leaking and when connecting the antenna generates the said problem. Luck.
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