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Search: Posts Made By: chrismurphy
Forum: Troubleshooting TVs and Video Sources 05-07-2022, 07:14 AM
Replies: 34
Views: 987
Posted By chrismurphy
Re: LG 50PC56 keep burn Buffers Boards

those lines are bad connections on the buffer to panel , no wonder they blow up
your not installing the flex cables correctly
Forum: Troubleshooting TVs and Video Sources 11-24-2021, 02:27 AM
Replies: 17
Views: 1,370
Posted By chrismurphy
Re: Samsung un48ju6700 half screen ghosting problem

Bad panel pull off side tabs it may work
Forum: Troubleshooting TVs and Video Sources 08-20-2021, 06:36 AM
Replies: 50
Views: 3,853
Posted By chrismurphy
Re: Lg 60pa6500 black spots on tv

Z sus is faulty just replace
Forum: Troubleshooting TVs and Video Sources 04-06-2021, 05:19 AM
Replies: 1
Views: 525
Posted By chrismurphy
Whats this fault

This appears on the screen , it starts in the middle about a third and then fills the screen colours change
Main board has been replaced
Forum: Troubleshooting TVs and Video Sources 03-04-2021, 07:26 AM
Replies: 6
Views: 570
Posted By chrismurphy
Forum: Troubleshooting TVs and Video Sources 03-04-2021, 07:24 AM
Replies: 22
Views: 1,664
Posted By chrismurphy
Re: LG 42LN5100 no backlights

these are notorious for failed backlights
Not worth repairing
Forum: Troubleshooting TVs and Video Sources 02-11-2021, 05:12 AM
Replies: 55
Views: 2,667
Posted By chrismurphy
Re: Sony KDL-70W850B T-CON problem

sorry to say you have faulty leds
Forum: Troubleshooting TVs and Video Sources 01-02-2021, 09:20 PM
Replies: 1
Views: 563
Posted By chrismurphy
Re: Any Shop Owners in here?

I would not bother , tab bonding issues have reduced almost to zero and i have had 400 tv in a year for repairs and have not seen one that needed tab repairs
Forum: Troubleshooting TVs and Video Sources 12-19-2020, 06:47 PM
Replies: 4
Views: 472
Posted By chrismurphy
Forum: Troubleshooting TVs and Video Sources 12-19-2020, 06:14 AM
Replies: 4
Views: 472
Posted By chrismurphy
Re: low leakage or low impedance caps?

ESR Very Low Equivalent Series Resistance (ESR)
Ideal for Power Supplies- High ripple and current capability
Forum: Troubleshooting TVs and Video Sources 11-30-2020, 02:59 AM
Replies: 12
Views: 1,058
Posted By chrismurphy
Re: Hisense 55P6 - No power no standby

sorry for the repeat post R_J posted the same
Forum: Troubleshooting TVs and Video Sources 11-29-2020, 10:20 PM
Replies: 12
Views: 1,058
Posted By chrismurphy
Re: Hisense 55P6 - No power no standby

check fast recovery diodes vd816 to vd818 for shorts
these boards usually have these fail
Forum: Troubleshooting TVs and Video Sources 11-29-2020, 06:35 AM
Replies: 12
Views: 1,058
Posted By chrismurphy
Re: Hisense 55P6 - No power no standby

resolder all connections on the two transformers with the yellow tape
Forum: Troubleshooting Computer Displays 11-18-2020, 03:23 AM
Replies: 27
Views: 2,558
Posted By chrismurphy
Forum: Troubleshooting TVs and Video Sources 10-14-2020, 06:52 AM
Replies: 11
Views: 964
Posted By chrismurphy
Re: Power board relay going insane!

a long shot replace the blue cap in the middle next to the large transformer
Forum: Troubleshooting TVs and Video Sources 10-14-2020, 06:48 AM
Replies: 6
Views: 777
Posted By chrismurphy
Re: Weird Screen Failure Samsung UN55KU6300F

looks like a cap from the led backlight has stuck to the diffusers
I cant see how it could be a screen fault
Forum: Troubleshooting TVs and Video Sources 09-27-2020, 05:40 AM
Replies: 17
Views: 1,705
Posted By chrismurphy
Re: Philips 50PUS6272/05 image flipped and upside down

reload firmware or go to service menu and select correct model screen
Forum: Troubleshooting TVs and Video Sources 08-08-2020, 06:05 AM
Replies: 106
Views: 7,792
Posted By chrismurphy
Re: Need help with resistor value please

1.2 ohm
brown 2 red 2 silver .1
Forum: Troubleshooting TVs and Video Sources 08-03-2020, 06:12 AM
Replies: 22
Views: 1,583
Posted By chrismurphy
Re: Sony XBR-65850F No Picture (Backlights/Audio Okay)

Main board problem ,common on this set
Forum: Troubleshooting TVs and Video Sources 07-15-2020, 05:36 AM
Replies: 5
Views: 1,095
Posted By chrismurphy
Re: Sony KDL-75W850C Issues

Had a few of these, sorry your Backlights have failed
Have two a present ,one with a cracked screen but good backlights and one with good screen with faulty backlights
but haven't got around to...
Forum: Troubleshooting TVs and Video Sources 07-15-2020, 05:29 AM
Replies: 84
Views: 7,733
Posted By chrismurphy
Re: LG 50PJ350 plasma blowing Y-Sustain board

You probably dont want to hear this ,but its time to bin the TV
I have worked for years on plasma TV and when these boards go 50% of the time the repairs go the way you have seen.
Forum: Troubleshooting TVs and Video Sources 06-27-2020, 04:45 AM
Replies: 148
Views: 16,372
Posted By chrismurphy
Re: Remove rear panel Sony Bravia KD-65X7500F

sorry to say you have a faulty main board
Have done heaps of these and its always the main board , power supply's rarely fail
Forum: Troubleshooting TVs and Video Sources 06-26-2020, 06:16 AM
Replies: 4
Views: 910
Posted By chrismurphy
Re: Replacing LEDs on LED strip

Use a standard iron upside down ,works great
Forum: Troubleshooting TVs and Video Sources 06-18-2020, 04:15 AM
Replies: 39
Views: 2,608
Posted By chrismurphy
Forum: Troubleshooting TVs and Video Sources 03-24-2020, 03:32 AM
Replies: 28
Views: 2,230
Posted By chrismurphy
Re: PN50C590G4FXZA Horizontal Solid Black line

bad buffer connection
locate the connector that aligns with the line and unclip and reclip a few times (dont take out the strap) shout fix the issue , do it with now power
Showing results 1 to 25 of 249

 
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