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CCE TV - model HPS-141 D problem with sparks of flyback

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CCE TV - model HPS-141 D

Friends,

The flyback is in sparks to the L402 bobbin (43uH), but was functioning, despite the D408 diode (1N4148) that it was in short and electrical resistance FR405 (1 ohm/1W) opened. I changed D408 and FR405 by good ones, but for accident, the DZ803 (4V7) was open when I bound to test.... Now the sparks of flyback seem to be stronger and with a bigger frequency, giving to hear a noise from it, being that the tube does not bind more, appearing some colors in the tube only...
Somebody can help me with this?
Grateful
 

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