Question about Toymax Viore 42 in. Plasma TV
On this TV bad Y sustain buffers do NOT usually lead to lack of picture.
For details see the link below (different TV, but same effect):
Lack of picture is usually caused by bad YSUS (80%) or bad ZSUS (20%).
Most of the time when ZSUS fails it does not result in complete lack of picture, but only very dark, grainy and bleeding picture. Other times, though, it can be completely blank too, so do not take it for granted.
Both YSUS and ZSUS will fail relatively soon after each other. That is not because failure of one constitutes failure of the other, but because they both work shoulder to shoulder and wear out relatively evenly. Much like two car tires.
So if they both started working together they will wear out evenly and be near the end of their life cycles together.
It's rarely at the exact same time, but it's close.
And you very rarely have to replace/service both at the same time. It's just recommended due to the above reasons and the inconvenience of having to open the TV twice and wait for replacement/service twice.
For more details please see
DISCLOSURE: We service plasma sustain boards and one can argue we are opinionated. We try to present more facts and less claims. If you have any arguments against our claims or facts we would like the chance to defend them publicly.
Posted on May 07, 2011
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Posted on Jan 02, 2017
speakers switched off?
volume on set or a box down or muted? check both the set and box.
Does the set have normal sound when playing a DVD etc via the audio and video jacks on the rear or side?
Posted on Apr 29, 2012
check first at the sound set up menu might set to off. if the settings is ok and the speaker is also good, the cause is either bad amplifier circuit or sound processor at the main board. at this time you will need a trouble shooting.
Posted on Oct 08, 2012
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