jonny78
Senior Member
Last Activity: 12-17-2018, 01:50 PM
Joined: 04-29-2017
Location: Leicester
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Tx-p42x50b Green/Red dots sparkles static!
Hi guys wondering if anyone can help! I tend to stay away from plasmas as they seem far too complicated for me lol but couldn't resist this beauty for $30/£20! Now the initial fault with this was that it wouldn't power on for days! Apparently it's a common fault with this set and I've managed to fix this by replacing a little IC chip on the power supply and now it works fine but on all inputs there is green/red static sparkle that appears all over the screen (only really noticeable against a black background but it's annoying me) does anybody know what could be causing this? Now I've read that... -
Tx-32lzd80
Hi guys can someone point me in the direction of the correct part?
ive got a blown fuse on the T-CON ( COMMON PROBLEM ON THIS SET) which is
19100096 MDK 336-0
check this thread with the same problem and solution
[url]https://www.badcaps.net/forum/showthread.php?t=32742[/url]
if someone could point me in the direction of the part i need it would be greatly appreciated preferably EBAY please! Fuse is 24v/1.6a
CHEERS!https://Hi guys can someone point me...br /> ive got -
Re: TV repair components
LOL meant cheap compared to UK prices! From a reputable dealer and I've never had a problem with them! Repaired many blown caps with them!... -
TV repair components
hi guys just after some help really!
ive been attempting to fix tvs for a good few months now and really enjoy it but what annoys me the most is not having the correct component at hand! now i know different tv PSU'S will have many different parts and its impossible to have every part in hand but what are some of the most common parts to have? recently ordered about 500 electrolytic capacitors from china at a dirt cheap price ranging from 220uf to 3300uf but i want to order fuses resistors ceramic caps etc could someone possibly create a list of things worth ordering?
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Re: LG 32le4900 issue
my mistake! ok will check all voltages and report back!...Leave a comment:
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Re: LG 32le4900 issue
OK will check tcon!...Leave a comment:
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Re: LG 32le4900 issue
Yes I did! I think it might have been my fault! Here are the voltages
1..NC ERROR = 0
2.. PDIM=12
3...ADIM=12
4...DV_ON=12
5... GND=0
6...GND=0
7... 3.5v=3.5v
8....3.5v=3.5v
9.....GND=0
10. GND=0
11...24V=24V
12...ON/OFF=3V
PIN 11 24 VAULT WAS THE ONE THAT SPARKED AND CAUSED THE MARK (USER ERROR I THINK) but is now reading 24v
Cheers!...Leave a comment:
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Re: LG 32le4900 issue
Solder points look fine but I've resoldered anyway but makes no difference! Like I said the one of the 24v pins sparks when I test it with multimeter! I've attached a couple of photos to show you how the backlights come on when cable put in at a particular angle!...Leave a comment:
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LG 32le4900 issue
Hi again guys! Got this set and the problem is the set turns on fine but there's no picture! Took the back off and no obvious signs of damage.
But when the cable connecting the mainboard to the psu is connected at an angle like this "/" the backlights come on but there is still no picture! All voltages are correct from the power cable to mainboard except the second to last 24v which sparked when I tested it with my multimeter and has left a slight burn mark... I've posted a pic of the voltage chart and the damaged caused by multimeter on 24v point! Will post further pics soon!... -
Re: 32lm3400 dead no standby
thanks budm! resistor is fine! what about the mosfet MDF10N65B ? i cant find this available in the uk is there an equivalent? ill give it a shot with a new mosfet then move on if it doesnt fix it!Leave a comment:
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Re: 32lm3400 dead no standby
MDF10N65B is the fet in question!Leave a comment:
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Re: 32lm3400 dead no standby
hi thanks for the replies! you are right..the mosfet is shorted! ive uploaded the data sheet i cant find any of these in the uk only china and i cannot wait that long! would there be an equivalent one ?? many thanks!...Leave a comment:
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Re: 32lm3400 dead no standby
hi ive already replaced c102 as it had blown.. will check the mosfet shortly! ive now only got 1 replacement fuse left though as they are fine but when i solder them in and turn the power on they seem to be blowing
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Re: 32lm3400 dead no standby
[url]https://www.youtube.com/watch?v=HuWly36NyEE[/url] <---- thats how i test fuses!
the fuse now appears to be bad if im testing it right lo but was 100% good before i soldered it in! and i know ive got the correct replacement 100%!Re: 32lm3400 dead no standby<br /> ...lacement 100%!Re: 32lm3400 deadLeave a comment:
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Re: 32lm3400 dead no standby
check the fuse in circuit? whats the best way to test it? ive been testing it in diode mode..also measured the two pins and im getting 242VAC!...Leave a comment:
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Re: 32lm3400 dead no standby
cheers! measured both and both zero!...Leave a comment:
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Re: 32lm3400 dead no standby
thanks dick! sorry to sound like a noob but im not sure what you mean! with the tv plugged in and my meter set to DCV i measured the filter cap C110 red to positive black to negative and it reads as 0!Leave a comment:
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Hi thanks for the info! I've measured the main filter cap and the reading is 0!...Leave a comment:
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Re: 32lm3400 dead no standby
Hi sorry! please see attached photos! blue capacitor replaced is C102 ( you can see burn mark) and F101 (FUSE) also the readings are as follows:
N.C=0
12V=0
12V=0
12V=0
GND=0
GND=0
3.5V=0
3.5V=0
GND=0
GND=0
24V=0
PWR-ON=0...Leave a comment:
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Re: 32lm3400 dead no standby
psu is EAX64560501
mainboard is Eax64909901Leave a comment:
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