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Author Topic: hantarex polo 28 problem(s) (SOLVED)  (Read 1987 times)

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perjmolsen

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Re: hantarex polo 28 problem(s)
« Reply #80 on: January 05, 2019, 05:49:20 am »
Hi

An update on this

When i turn it on i have neck glow at the tube and a white picture.
If i turn up on flybacki got raster lines.

I am unable to get any picture on the screen it is all white....and i have connected the game input.
It seems that if i start a game there might be colors... when i take a picture i can faint see colors in my phone

perjmolsen

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Re: hantarex polo 28 problem(s)
« Reply #81 on: January 05, 2019, 07:37:14 am »
Hi

I might have fund the reason for the white picture
I have tested T1 (BC548) that where OK

Tested R40 its dead! i guess that is a 20ohm (red - black-black-gold)
But looking at the schematics its a 10ohm.. what  to put in....

The closest i got in my parts box of 1/2W metal film is
15 ohm or 12 ohm can i use one of those... and what one...
« Last Edit: January 05, 2019, 08:42:12 am by perjmolsen »

princess prin prin

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Re: hantarex polo 28 problem(s)
« Reply #82 on: January 05, 2019, 09:06:04 am »
It's 10 ohm, even the one you have is. 12 ohm should be OK too.

grantspain

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Re: hantarex polo 28 problem(s)
« Reply #83 on: January 05, 2019, 09:11:12 am »
yep as previous poster says

perjmolsen

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Re: hantarex polo 28 problem(s)
« Reply #84 on: January 05, 2019, 10:21:03 am »
Hi

A HAPPY UPDATE
ITS WORKING!!!!!!!!!!!!  :applaud: :applaud: :applaud: :applaud: :applaud: :applaud:

A BIG BIG Thanks to you both for all your help!

Just need to figure out why the one to the left (the one that i have repaired) is not as clear, as the one to the right.
I have tried to adjust it both on flyback and the other knobs.. but I can definitely live with it - it is fully playable

grantspain

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Re: hantarex polo 28 problem(s)
« Reply #85 on: January 05, 2019, 11:40:19 am »
red cut off is too high on left- neck board pots, there are 3 colour cut offs and 2 colour gain on the neck card

well done btw

perjmolsen

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Re: hantarex polo 28 problem(s)
« Reply #86 on: January 06, 2019, 04:19:39 pm »
Hi Grant

Thanks  :applaud:
I really appreciate all the help that i got from you and princess prin prin.  :)
Without that I where unable to fix my game.


« Last Edit: January 11, 2019, 02:14:15 pm by perjmolsen »