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Search: Posts Made By: cadiman
Forum: Troubleshooting TVs and Video Sources 12-04-2013, 05:38 PM
Replies: 42
Views: 5,352
Posted By cadiman
Re: Samsung Plasma HP-S5073 Sparkle

What boards did you replace?
Forum: Troubleshooting TVs and Video Sources 11-23-2013, 05:23 PM
Replies: 34
Views: 2,464
Posted By cadiman
Re: pioneer pro-506 XMain issue

The media receiver is worth more than the panel.
Forum: Audio Equipment Discussion 10-27-2013, 04:33 PM
Replies: 17
Views: 3,063
Posted By cadiman
Re: Help With Troubleshooting Car Stereo (Speaker) Problem

If this is a factory system it is very common for the speaker voice coils to go open mostly from slamming the car doors.

I replace door speakers all the time. (GM cars) I check them with a 9 volt...
Forum: Troubleshooting TVs and Video Sources 10-26-2013, 09:00 PM
Replies: 3
Views: 1,178
Posted By cadiman
Re: Olevia 242-t11 No picture

Bad fuse on t- con will give you a gray screen.

Olivia known for bad caps on power supply. I have fixed many of them.

Don`t judge the book (cap) by it`s cover!
Forum: Troubleshooting TVs and Video Sources 10-26-2013, 08:52 PM
Replies: 3
Views: 735
Posted By cadiman
Re: Possible Purchase - Vizio

I get these for 20 bucks or leave them alone!

I would not pay 100.00 for any tv today.
Forum: Troubleshooting TVs and Video Sources 10-26-2013, 08:50 PM
Replies: 5
Views: 4,169
Posted By cadiman
Re: Suspect T-Con board or ribbons

It`s not the t-con.

The first problem is Sanyo.

The second is the panel.

First try to clean and properly set the ribbon cables.

If that doesn`t work you have either a mainboard issue (not...
Forum: Troubleshooting TVs and Video Sources 10-09-2013, 06:00 PM
Replies: 23
Views: 56,777
Posted By cadiman
Re: Pioneer Plasma TV on standby and won't power on

This set should have red and blue leds that will both be lit if powered on with cover removed. (lock out)

I am not sure if all cmx models have both leds or not.

The main problem with these...
Forum: Troubleshooting TVs and Video Sources 08-14-2013, 06:42 PM
Replies: 9
Views: 2,201
Posted By cadiman
Re: Samsung FP-T5084 Won't turn on

There may also be a mosfet update for that power supply.

Replacing all caps is a good start.
Forum: Troubleshooting TVs and Video Sources 06-17-2013, 08:14 PM
Replies: 111
Views: 12,972
Posted By cadiman
Re: LG 50PX4R-ZB stuck in standby mode

ipm chips on the y board most common failure.

troubleshoot y board by unplugging main power feed cable going to y board.

power supply should come on and stay on when powering up tv again.
...
Forum: Troubleshooting TVs and Video Sources 04-28-2013, 05:43 PM
Replies: 4
Views: 2,022
Posted By cadiman
Re: Philips 50FP5532D plasma Ysus fault

Used buffer or buffer ics are a really bad idea here.

The problem is you had a good y board and ruined it with used faulty buffers.

You do not want to put used buffers in any tv mostly if they...
Forum: Troubleshooting TVs and Video Sources 04-12-2013, 07:56 PM
Replies: 17
Views: 5,044
Posted By cadiman
Re: Samsung Plasma Color Snow

When you bring up the tv menus what do they look like? are they ok?
Forum: Troubleshooting TVs and Video Sources 04-12-2013, 07:33 PM
Replies: 18
Views: 2,626
Posted By cadiman
Re: RCA L40FHD41 LCD was dead, replaced all caps on PB, now has no audio

Your doing fine, no worries.

The audio amp is part of the mainboard and I can`t get a close look at where to look without the board in front of me.

I would start by following the speakers...
Forum: Troubleshooting TVs and Video Sources 04-12-2013, 07:18 PM
Replies: 4
Views: 4,651
Posted By cadiman
Re: 42LG30 TV flashing on and off, replaced power board, no change, stumped!

I have repaired very few power supplies on these units.

Mainboard failure very common.

L/G panel ok

China panel not ok (au-optronics) ccfl and inverter fail common and go together.

If...
Forum: Troubleshooting TVs and Video Sources 04-10-2013, 07:38 PM
Replies: 18
Views: 2,626
Posted By cadiman
Re: RCA L40FHD41 LCD was dead, replaced all caps on PB, now has no audio

If the amp output ic has issues it will take down the preamp (ground the signal).

Find the amp ic and it should have at least 12vdc going to it.

A good way to diag the output is to start in...
Forum: General Electronics Technical Discussion 04-10-2013, 07:27 PM
Replies: 4
Views: 1,413
Posted By cadiman
Re: polaroid 704 tablet backlight and power issues

I have worked on all the coby and toshiba entry level tablets for all the small kids to beat up on.

They have all moved up to Apple so I fix all of that stuff now.

More money to be made and...
Forum: Audio Equipment Discussion 04-08-2013, 05:30 PM
Replies: 2
Views: 844
Posted By cadiman
Re: Midi controller power issue

5 volts means nothing with no load.

What are you plugging your usb into?
Forum: General Electronics Technical Discussion 04-08-2013, 05:16 PM
Replies: 4
Views: 1,413
Posted By cadiman
Re: polaroid 704 tablet backlight and power issues

I have worked on every tablet made just about, but not a polaroid.

All of the led tablets backlight runs on 5 to 12voltdc.

I have never had one fail.

I use them to backlight pumpkins, doll...
Forum: Troubleshooting TVs and Video Sources 04-08-2013, 05:01 PM
Replies: 6
Views: 1,682
Posted By cadiman
Re: Hitachi p50s601 possible power protection

Make sure to check large caps on the power supply secondary. If they are 2200 or 3300 caps you might want to change them. bulged or not.
Forum: Troubleshooting TVs and Video Sources 04-08-2013, 04:45 PM
Replies: 18
Views: 2,626
Posted By cadiman
Re: RCA L40FHD41 LCD was dead, replaced all caps on PB, now has no audio

I have picked up a few tvs and once repaired they had no audio.

The speakers were not set to off but as noted above the headphones were set to "on"
and that turned off the speakers.

On some...
Forum: Troubleshooting TVs and Video Sources 04-08-2013, 04:40 PM
Replies: 6
Views: 1,161
Posted By cadiman
Re: olevia #237s11 firmware, corupt???

I have repaired a few different versions of these and I have run into the same issues with some models.

It just seemed like a cheap tv with cheap firmware so I never did anything about it.
Forum: Troubleshooting TVs and Video Sources 04-06-2013, 07:41 PM
Replies: 68
Views: 5,350
Posted By cadiman
Re: LG 42LG50FD-AD Intermittent NoGo

This power supply has three 35v 3300 caps.

There is one 35v 1000uf cap.

There are two 10v 3300 caps.

I would start with those first. (10v 3300)
Forum: Troubleshooting TVs and Video Sources 04-06-2013, 07:28 PM
Replies: 44
Views: 6,095
Posted By cadiman
Re: SAMSUNG HP-T5054 will not turn on,clicks when power is applied to it

Sorry for the wrong post! Same model for plasma.
Forum: Troubleshooting TVs and Video Sources 04-06-2013, 07:17 PM
Replies: 57
Views: 7,278
Posted By cadiman
Re: Another Samsung HP-T5064, Good Sound, No Picture

shorted mosfets will be the common issue with these.

A stand has been hard to find for these. I don`t know why.

I normally just weld up two legs that bolt to the back of the tv and paint it...
Forum: Troubleshooting TVs and Video Sources 04-06-2013, 07:13 PM
Replies: 16
Views: 4,037
Posted By cadiman
Re: Coppell TV on eBay

These guys have always been good to me. I get quick answers and good input when I ask for it.

I can`t begin to understand how they answer any emails as I am sure they get hundreds.
Forum: Troubleshooting TVs and Video Sources 04-04-2013, 08:19 PM
Replies: 13
Views: 1,652
Posted By cadiman
Re: Samsung LNT3253HX

Most likely the backlight inverter. Is that a darfon?

The inverter board may have a shorted mosfet or transformer or have an issue with the start up function. (looking for signal from power...
Showing results 1 to 25 of 394

 
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