LCD19DVDID-107-Channel stuck when left

[blackillusion]

Hey guys I have this
Technika LCD19DVDID-107

When you start it up you can channel hop, but it does start to get sluggish.

If you leave it on a channel and come back 5 minutes later its locked on that channel and you cannot change with either the remote or panel buttons.

I opened it up, power supply seems ok although it had a bulging cap on the secondary side. I replaced that, and esr checked the cap it was faulty.

Now this problem goes away if you turn off then back on. You can turn to standby from remote or panel.

[tom66]

Re: LCD19DVDID-107-Channel stuck when left

Unplug the button board and see if it then works well with remote.

[blackillusion]

Re: LCD19DVDID-107-Channel stuck when left

Unplug the button board and see if it then works well with remote.

Hi tom66 thanks for your response. I have just tested this to no change.

Whats strange is that the - stby, vol+, vol- and menu buttons all work when the ch+/ch- stops. On both the remote and the panel board.

Look like its going to be a long one. I'm guessing that a capacitor on the line for ch+/- is going down once its filled? sound likely?

Shame I have no schematic things are much easier then.

[tom66]

Re: LCD19DVDID-107-Channel stuck when left

No, I would doubt it's a capacitor. It's probably got some corruption in the channel table that it doesn't like. Do you know who makes this set, any part number on the main boards? I can look up how to reset it to factory settings.

[blackillusion]

Re: LCD19DVDID-107-Channel stuck when left

Okay tom66

Power supply has:
ACP007-G

Mainboard has:
plv3619d-01-03

No obvious manufacturer marks

[tom66]

Re: LCD19DVDID-107-Channel stuck when left

Can you post a picture. PLV might be Proview...

[blackillusion]

Re: LCD19DVDID-107-Channel stuck when left

Can you post a picture. PLV might be Proview...

Hi tom66 I'm at work at the moment but if this helps it is the same one here:
http://item.mobileweb.ebay.co.uk/vie...d=130658401833

If that's any use. If not let me know and I will try to get a photo asap

[tom66]

Re: LCD19DVDID-107-Channel stuck when left

Hmm, nothing stands out to me as to who the OEM is. Technika (Tesco) just buy in stuff from China with their name printed on it, so it could be anybody...

[blackillusion]

Re: LCD19DVDID-107-Channel stuck when left

Hmm, nothing stands out to me as to who the OEM is. Technika (Tesco) just buy in stuff from China with their name printed on it, so it could be anybody...

Hi tom66, yeah ok no worries. I will have a good look over the board to see if there are any other markings. Thanks for your efforts

[blackillusion]

Re: LCD19DVDID-107-Channel stuck when left

Im looking to have another look at this soon. but if anyone had any ideas I can check. Unfortunately no schematic so its a bit blind