20 Most Recent JVC TH-A25 System Questions & Answers

you wil get the sound from the surround speakers only but not from tv first connect all the speakers that are given to the player correctly then you can get perfect sounds with dts...

Si puedes abrelo y checa en la fuente de alimentacion si no tiene capacitores inflados o reventados son las partes que parecen barrilitos

Hi,
If you have necessary tools and test instruments, know safety precaution in basic troubleshooting try the steps below to solve your problem.
Assuming that the disc is good.
1.Clean the lens. - Sometimes because of dust and any fine foreign objects the optical lens can't read any disc. If you have a DVD Lens cleaner, play it to the unit. If this is not available you may manually clean the optical lens. Open the cover and gently clean the eye of the lens by smooth,clean,soft cotton buds. Be careful while doing this, just a gentle stroke only.
2.Check the ribbon - Check the ribbon connected to the lens from the main board for scratch, damage. Once it has an open line then of course the lens can't read the disc, this is because of the movement of the optical lens back-and-forth. Also try to erase the contact by pencil eraser. If you've done the steps above and the symptoms still there then the next step requires you a little knowledge in soldering technique and reading the ohmmeter.
3.Check the spindle motor - Check the spindle motor that spin the disc with an ohmmeter. You can test it using the ohmmeter (x1) even it is connected on the lens assembly.Good motor - reading should be fairly high and it will spin. Bad motor- reading will drop to low resistance and will not spin.

Click this link for more info.

LINK1

LINK2

Hint : Most of my repaired unit the above parts are commonly caused of the problem.
If you confirmed that you have a defective motor then replace it with a new one. Before replacing the new motor you have to check the clearance of the disc holder with the old one. The clearance should be the same as the old because if not the lens will not read the disc if it is too far or too close.
If the above steps didn't cure the problem, high chance that your optical lens was faulty.

If you can't do the job yourself, I would advice you to look for a professional to troubleshoot the symptom.

Also, check if your unit is under warranty period, avail it because the manufacturer will fix it for free. Don't attempt to open the cover(it will void the warranty).

Hope I helped you.
Have a nice day!
Thanks for using Fixya.

Hello, please get the code here : www.regionfreedvd.net/ www.dvdripper.org/dvd-region-codes-vs-ntscpal/ www.regionfreedvd.net/players.html
www.dvdreviewer.co.uk/Forums/...region_code/page1
Best Regards, Jay_cd458j

Fixed it by replacing a burned resistor.
100ohm 1 wat designation PR010 on the main pcb.

You can get a complete refurbished JVC TH-A25 System on Amazon for $130. Individual components might be scarce or prohibitively expensive.

hello you will have to take the top of the machine then you should see a plastic cover over the laser unit.you should 2 screws undo these you should see the dvd


regards
shaun

TV's are not the best sound sources. They just make flickering visual images.


But if you must, connect theTV's RCA jacks for Audio L and R Out to Aux In. But that will only send stereo (at best) audio from the TV's source to the audio system. If you want better stereo and possibly multichannel sound use the cable box's sound as a source. It should have at least the analog RCA pair (for plain stereo) and maybe a digital audio output, too.