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Search: Posts Made By: R_J
Forum: Troubleshooting TVs and Video Sources Yesterday, 08:27 PM
Replies: 7
Views: 44
Posted By R_J
Re: Sony KDL-40W600B 6 blinking lights

Not likely, the manufactures don't provide that kind of information. there are some videos on lcd disassmbly, they usually are not to difficult, but BE CAREFULL, the lcd panel itself is very fragile,...
Forum: Troubleshooting TVs and Video Sources Yesterday, 06:50 PM
Replies: 27
Views: 201
Posted By R_J
Re: Panasonic TC-P60ST30

The ic you replaced was only for the standby voltage, so everything else should be fine and as it was before.
Forum: Troubleshooting TVs and Video Sources Yesterday, 06:40 PM
Replies: 22
Views: 341
Posted By R_J
Re: Westinghouse WD40FW2490 not powering up

Looks like you found the problem, you can replace it with one thats a bit better like a HER306, HER307 or HER308
Forum: Troubleshooting TVs and Video Sources Yesterday, 06:14 PM
Replies: 7
Views: 44
Posted By R_J
Re: Sony KDL-40W600B 6 blinking lights

Check the cable connections between the boards also check the lvds cable connections. If the tv comes on and is working, try tapping the boards with something. I use the plastic handle on a...
Forum: Troubleshooting TVs and Video Sources Yesterday, 05:48 PM
Replies: 27
Views: 201
Posted By R_J
Re: Panasonic TC-P60ST30

Like above, check all the screws on the SS & SC boards, or better yet remove the boards and check if the grounds where the screws meet the chassis. If there is any black corrosion on the board or the...
Forum: Troubleshooting TVs and Video Sources Yesterday, 03:13 PM
Replies: 29
Views: 347
Posted By R_J
Re: Emerson/Funai LF46EM4 no image

The manual 50ME313V_F7 shows ic3601 and the cap. C3602 220/6.3 is listed as being on the output that feeds ic3001, If there is a short there, I see a bunch of 0Ω and inductors off that line, If you...
Forum: Troubleshooting TVs and Video Sources Yesterday, 12:51 PM
Replies: 29
Views: 347
Posted By R_J
Re: Emerson/Funai LF46EM4 no image

You could, you should have voltage on the input of that regulator, that cap seems to be across the input so if it measures short, the cap could be bad, the regulator ic next to it or something before...
Forum: Troubleshooting TVs and Video Sources Yesterday, 11:16 AM
Replies: 15
Views: 167
Posted By R_J
Re: Panasonic Th-42A400z led tv

If you disconnect the LD2 plug going to the panel and check the voltage across C7813 is it still low, or does it come closer to C7817
Needs to be measured while turning on tv as it will error and...
Forum: Troubleshooting TVs and Video Sources Yesterday, 10:54 AM
Replies: 60
Views: 582
Posted By R_J
Re: Vizio VW42L FHDTV10A will not turn on without unplugging and plugging TV back in

A scope would be better, Try heating just one transistor at a time using the tip of your soldering iron, just place it on for a second or two is all that should be needed, then try it on the ic....
Forum: Troubleshooting TVs and Video Sources Yesterday, 10:35 AM
Replies: 60
Views: 582
Posted By R_J
Re: Vizio VW42L FHDTV10A will not turn on without unplugging and plugging TV back in

It's unlikely the vga ic is bad or the transistors for that matter. The vga ic is for communication of the mointor id, If you turn the tv to vga input and no computer or vga source is connected the...
Forum: Troubleshooting TVs and Video Sources Yesterday, 10:08 AM
Replies: 29
Views: 347
Posted By R_J
Re: Emerson/Funai LF46EM4 no image

If the cap is not shorted you could have a shorted regulator ic3601 or somethiing that is on that ic's input is shorted
Forum: Troubleshooting TVs and Video Sources 06-18-2018, 04:35 PM
Replies: 7
Views: 58
Posted By R_J
Re: Samsung PN50A510P3FXZA Plasma No Picture

You may not get Vs with no load, You can use two 60w 120volt incandescent lamps in series connected to the power supply Vs and ground, if the Vs comes up it will light the lamps
Forum: Troubleshooting TVs and Video Sources 06-18-2018, 12:22 PM
Replies: 60
Views: 582
Posted By R_J
Re: Vizio VW42L FHDTV10A will not turn on without unplugging and plugging TV back in

Different panel, When thes sets are built all the parts are dropped off in the middle of the street during the day, people from both sides of the street grab the parts and assemble them at night, in...
Forum: Troubleshooting TVs and Video Sources 06-18-2018, 09:48 AM
Replies: 71
Views: 652
Posted By R_J
Re: LG 42LV 4400 Will not come on

You can buy freeze spray in a can or use an invertered can of caned air, the liquid propelant in caned air will freeze the ic.
The only part that you need to freeze is the eeprom itself.
With the...
Forum: Troubleshooting TVs and Video Sources 06-17-2018, 10:39 PM
Replies: 15
Views: 167
Posted By R_J
Re: Panasonic Th-42A400z led tv

There will usually be an outer metal or plastic frame, then the lcd panel itself (which is very fragile and is a little bit thicker than a credit card), followed by 2 or 3 thin diffuser sheets and...
Forum: Troubleshooting TVs and Video Sources 06-17-2018, 06:42 PM
Replies: 7
Views: 58
Posted By R_J
Re: Samsung PN50A510P3FXZA Plasma No Picture

Check the connections on the output diodes like DS803 & Ds805, also check if DS803 or DS805 are ok and not shorted
Forum: Troubleshooting TVs and Video Sources 06-17-2018, 06:19 PM
Replies: 7
Views: 58
Posted By R_J
Re: Samsung PN50A510P3FXZA Plasma No Picture

Did you check for a short on the Vs line? Does the Vs voltage come up then drop off right after powering on? Most power supplies would need a load on the Vs line to test as they usually have Over...
Forum: Troubleshooting TVs and Video Sources 06-17-2018, 05:51 PM
Replies: 8
Views: 63
Posted By R_J
Re: Sammy 60PK750 Plasma No Pic, No Sound, Voltages Good..

Have you checked the other posts like this one https://www.badcaps.net/forum/showthread.php?t=33454
Forum: Audio Equipment Discussion 06-17-2018, 05:32 PM
Replies: 2
Views: 107
Posted By R_J
Re: TDK A33 Portable Bluetooth Speaker

Are you sure they are both bad? how do they check with a meter?
Forum: Audio Equipment Discussion 06-17-2018, 05:04 PM
Replies: 53
Views: 9,638
Posted By R_J
Re: Car amplifier(Polk Audio PA660) question

Check that the voltage at the speakers is near zero volts, run it for a while checking the temperature of the transistors to make sure one or two are not over heating
Forum: Audio Equipment Discussion 06-17-2018, 04:44 PM
Replies: 53
Views: 9,638
Posted By R_J
Re: Car amplifier(Polk Audio PA660) question

Check the connections on that dual diode, also did you check it to make sure you did'nt blow it when you reversed it
If you reverse the diodes you will blow up the amp. What do you think happens if...
Forum: Audio Equipment Discussion 06-17-2018, 04:08 PM
Replies: 53
Views: 9,638
Posted By R_J
Re: Car amplifier(Polk Audio PA660) question

One would be common cathode, one would be common anode, those are strange numbers
Forum: Troubleshooting TVs and Video Sources 06-17-2018, 03:56 PM
Replies: 15
Views: 167
Posted By R_J
Re: Panasonic Th-42A400z led tv

Then its a good guess that the power supplies are ok and there's one or more bad led's, If you do disassemble the panel, be very carefull and mark which way the diffuser sheets go. and try not to...
Forum: Audio Equipment Discussion 06-17-2018, 03:36 PM
Replies: 53
Views: 9,638
Posted By R_J
Re: Car amplifier(Polk Audio PA660) question

This should be the ground and plus minus marked.
Forum: Audio Equipment Discussion 06-17-2018, 02:47 PM
Replies: 53
Views: 9,638
Posted By R_J
Re: Car amplifier(Polk Audio PA660) question

There are liklely two large caps for the + and - supplies, see if they are correct, if they are, then check for bad/open component supplying that side, If there is no positive voltage on the cap,...
Showing results 1 to 25 of 500

 
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