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Search: Posts Made By: thuss
Forum: Troubleshooting TVs and Video Sources 06-15-2019, 07:13 PM
Replies: 4
Views: 132
Posted By thuss
Re: LG 60PA6500 (Plasma) no picture, with sound

Bad habit of mine I meant logic board
Forum: Troubleshooting TVs and Video Sources 06-15-2019, 07:09 PM
Replies: 5
Views: 88
Posted By thuss
Forum: Troubleshooting TVs and Video Sources 06-15-2019, 04:17 PM
Replies: 5
Views: 88
Posted By thuss
Re: 60PB660v Lg plasma tv- sound but no picture

I will replace the tcon board and keep you updated- one last question does the ysus feed any voltages to the tcon?
Forum: Troubleshooting TVs and Video Sources 06-14-2019, 06:24 AM
Replies: 5
Views: 88
Posted By thuss
Re: 60PB660v Lg plasma tv- sound but no picture

thanks for the replies. One thing I forgot to mention is that the ysus is not generating the 18v supply to zsus.
But I checked the ic201 and the diode is not shorted . Yes there is voltage going to...
Forum: Troubleshooting TVs and Video Sources 06-13-2019, 04:20 PM
Replies: 4
Views: 132
Posted By thuss
Re: LG 60PA6500 (Plasma) no picture, with sound

Im not an expert but I think you have blown the tcon board.

But have a look at this it may help


https://www.youtube.com/watch?v=mZh9Lymglrs
Forum: Troubleshooting TVs and Video Sources 06-13-2019, 04:12 PM
Replies: 5
Views: 88
Posted By thuss
60PB660v Lg plasma tv- sound but no picture

Hi I could do with some help on this on.


The tv turns on with sound but no picture/screen does not flash just blank.

All the voltages are there i.e vs 205 va 55.

I have checked the buffers...
Forum: Troubleshooting TVs and Video Sources 06-09-2019, 05:57 PM
Replies: 10
Views: 366
Posted By thuss
Re: LG 60PB660V Plasma tv Help Please

Hi sorry about hijacking this thread, I got the same problem as the op but on the ysus board I get 0 voltage on the VY. on the Z sus the vzb voltage is 73.
( It doesnt have the resistors VSC).
...
Forum: Troubleshooting TVs and Video Sources 05-27-2019, 07:42 PM
Replies: 20
Views: 1,329
Posted By thuss
Re: Panasonic TX-48CX400B low LED volts

Hi Finntricky

Did you find the fault on the 48cx400b?
Forum: Troubleshooting TVs and Video Sources 05-13-2019, 08:09 AM
Replies: 31
Views: 784
Posted By thuss
Re: Panasonic led tv 55ds500

Sorry about the very late late late response- It was 8 leds gone one on in each strip on the left hand side.
Forum: Troubleshooting TVs and Video Sources 12-13-2018, 06:51 PM
Replies: 31
Views: 784
Posted By thuss
Re: Panasonic led tv 55ds500

voltage was fluctuating from 20 to 25v

But I may have read it wrong the service manual clearly states 40v to the boost converter circuit - I'm not getting that 40v?
(i will double check the...
Forum: Troubleshooting TVs and Video Sources 12-12-2018, 12:22 PM
Replies: 31
Views: 784
Posted By thuss
Re: Panasonic led tv 55ds500

I've put the led backlight tester on the connections and they seem to be working.

One thing I have noticed/misunderstood between the service manual is that depending on the screen the voltages...
Forum: Troubleshooting TVs and Video Sources 12-07-2018, 10:07 PM
Replies: 31
Views: 784
Posted By thuss
Re: Panasonic led tv 55ds500

I will do- I found the service manual for 55ds500

Thanks for your help had to order another backlight tester (mines gone walkies)


I wll do as it says on page 53 of the panasonic 2016 doc you...
Forum: Troubleshooting TVs and Video Sources 12-06-2018, 02:52 PM
Replies: 31
Views: 784
Posted By thuss
Re: Panasonic led tv 55ds500

I hope these help
Forum: Troubleshooting TVs and Video Sources 12-06-2018, 02:27 PM
Replies: 31
Views: 784
Posted By thuss
Re: Panasonic led tv 55ds500

The small one is rated at 44v. Yes I did put black probe chasis.
Still waiting for my led tester............

I will put new photos on later today.
Forum: Troubleshooting TVs and Video Sources 12-05-2018, 07:18 PM
Replies: 31
Views: 784
Posted By thuss
Re: Panasonic led tv 55ds500

Biggest cap is rated at 63v.

One thing I forgot to mention the connection (right hand side of led driver board) the last black wire disconnected is reading -0.1v whilst all other black wires 3.4v...
Forum: Troubleshooting TVs and Video Sources 12-05-2018, 01:53 PM
Replies: 31
Views: 784
Posted By thuss
Re: Panasonic led tv 55ds500

Still waiting to get my led tester back - Does anyone know what the voltage values should be for the led driver board?

Just out of curiosity I unplugged the leds from the driver board and I got...
Forum: Troubleshooting TVs and Video Sources 12-03-2018, 10:12 PM
Replies: 31
Views: 784
Posted By thuss
Re: Panasonic led tv 55ds500

If I understood correctly without taking the screen out.

I just pair the wires from the back of the to the led tester.

Based upon the voltages do you think the led driver maybe faulty?

I...
Forum: Troubleshooting TVs and Video Sources 12-03-2018, 09:41 PM
Replies: 31
Views: 784
Posted By thuss
Re: Panasonic led tv 55ds500

Yes the model number TX-55ds500b. I did think the 3.4 were way to low.
Basically I think its time to remove the screen to access the led- something I hate doing on the 55 inch screens I just find...
Forum: Troubleshooting TVs and Video Sources 12-03-2018, 07:43 PM
Replies: 31
Views: 784
Posted By thuss
Re: Panasonic led tv 55ds500

I hope the following helps if I start with the voltages on the psu left hand side of the plug going to the right

wire 1- 24.65 wire11- 24.65
wire 2- 24.65 wire 12-...
Forum: Troubleshooting TVs and Video Sources 12-01-2018, 08:27 PM
Replies: 31
Views: 784
Posted By thuss
Re: Panasonic led tv 55ds500

I cant see any voltage tables written on any board.

But going back to the led driver board the inductor (sorry about the blurry photo)

In bleep mode

Leg 1 to leg 2 no bleeps 486 ohm
leg 3...
Forum: Troubleshooting TVs and Video Sources 12-01-2018, 07:22 PM
Replies: 31
Views: 784
Posted By thuss
Re: Panasonic led tv 55ds500

ignore previous post - completely misread Budm's post.
Forum: Troubleshooting TVs and Video Sources 11-29-2018, 04:21 PM
Replies: 31
Views: 784
Posted By thuss
Re: Panasonic led tv 55ds500

will do thanks - I should have seen the L symbol.

Do you mind if I ask how I should test this 8 string inductor. Theres 5 legs on one side and 3 legs on the other ?I assume all should read with...
Forum: Troubleshooting TVs and Video Sources 11-29-2018, 03:38 PM
Replies: 31
Views: 784
Posted By thuss
Re: Panasonic led tv 55ds500

I didnt get a chance to test any voltages my multimeter packed up after testing components on the led driver board tnpa6073- I think its a faulty transformer bottom of photo number 5, My phone camera...
Forum: Troubleshooting TVs and Video Sources 11-28-2018, 05:00 PM
Replies: 31
Views: 784
Posted By thuss
Re: Panasonic led tv 55ds500

heres the photo with a view of the rear of the tv
Forum: Troubleshooting TVs and Video Sources 11-28-2018, 04:57 PM
Replies: 31
Views: 784
Posted By thuss
Panasonic led tv 55ds500

Hi

The tv turns on for a couple of seconds the screen looks fine and then it switches off and turns on again displays on the screen and then switches off.

The standby red light flashes approx...
Showing results 1 to 25 of 159

 
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