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Search: Posts Made By: ajshoe
Forum: Troubleshooting TVs and Video Sources 09-12-2022, 05:48 PM
Replies: 11
Views: 453
Posted By ajshoe
Smile Re: LG 47LW5700 video issue

thanks Pee. You were correct as I heated main proc up to 350 F with some paste and it works perfectly now (removed heat sink first). been running for hours now.
Forum: Troubleshooting TVs and Video Sources 09-12-2022, 05:44 PM
Replies: 13
Views: 1,620
Posted By ajshoe
Re: Samsung UN58MU6100FXZA - Screen flickers and then black

back to the hi-jacked thread. My set is UN58MU6070F which uses a "near identical" Main bd. only difference is audio in and out with another HDMI port on the BN94-12410A.
UN58MU6100F uses...
Forum: Troubleshooting TVs and Video Sources 09-11-2022, 08:07 PM
Replies: 16
Views: 426
Posted By ajshoe
Re: Vizio E470VL got +5VSB, but no 12V

best bet would be a tv recycler or Craigslist - might get lucky and find vizio ccfl set there. Id scrapped that set and go for a led or plasma 1080P set to repair.
Forum: Troubleshooting Appliances and other Household Electronic Stuff 09-11-2022, 06:38 PM
Replies: 18
Views: 846
Posted By ajshoe
Re: Blomberg electric dryer - Need a replacement relay

your swaping parts without testing. first thing I would do is monitor voltage out of heat relays. turn on dryer with heat. If your getting voltage (110V for each relay - has 2 elements so the...
Forum: Troubleshooting TVs and Video Sources 09-09-2022, 12:11 PM
Replies: 13
Views: 1,620
Posted By ajshoe
Forum: Troubleshooting TVs and Video Sources 09-09-2022, 06:43 AM
Replies: 13
Views: 1,620
Posted By ajshoe
Re: Samsung UN58MU6100FXZA - Screen flickers and then black

have a very similar set UN58MU6070F. This set acts also the same way. completely dead unless I pull the pwr bd cable to main bd. then backlights come on and stay on. I have 9.8 V at standby -...
Forum: Troubleshooting TVs and Video Sources 09-08-2022, 04:07 PM
Replies: 7
Views: 1,500
Posted By ajshoe
Re: PN60F5300AF no picture with sound no cost fix.

C5082 is under a heatsink. I have a pn60f5300 which was dead. put in 10uf 50V electrolytic for C5162 (106K). set now powers on but then cycles off and back on after couple minutes. assume I have...
Forum: Troubleshooting TVs and Video Sources 09-08-2022, 11:59 AM
Replies: 7
Views: 1,500
Posted By ajshoe
Re: PN60F5300AF no picture with sound no cost fix.

C5802 - can't find that part on Y sus. I see a C5082 ??
Forum: Troubleshooting TVs and Video Sources 09-08-2022, 11:15 AM
Replies: 7
Views: 1,500
Posted By ajshoe
Re: PN60F5300AF no picture with sound no cost fix.

"Howdy - for me it was C5802 1kv x 331k small blue resistor that was blown. Hard to see as it sits under heatsink. Hope this helps."

where is C5802 located - can't find it
Forum: Troubleshooting TVs and Video Sources 09-01-2022, 08:15 AM
Replies: 11
Views: 453
Posted By ajshoe
Re: LG 47LW5700 video issue

when set turns on from cold - solarization is very noticeable. after set warms up - much less solarization
Forum: Troubleshooting TVs and Video Sources 08-30-2022, 08:51 PM
Replies: 11
Views: 453
Posted By ajshoe
Re: LG 47LW5700 video issue

got tv from orig owner who did not open or play with settings. don't think parameters were ever touched. try to open it up tommorrow. will post pics. several posts have baked main board in oven...
Forum: Troubleshooting TVs and Video Sources 08-30-2022, 03:22 PM
Replies: 11
Views: 453
Posted By ajshoe
Re: LG 47LW5700 video issue

I'll open it up and post pics. thanks
Forum: Troubleshooting TVs and Video Sources 08-30-2022, 08:43 AM
Replies: 11
Views: 453
Posted By ajshoe
LG 47LW5700 video issue

Have a LG 47LW5700 that has a solarized picture when turned on. Is this the main board - needs to be heated or solder re-flowed ?
Forum: Troubleshooting TVs and Video Sources 03-01-2022, 09:30 PM
Replies: 9
Views: 565
Posted By ajshoe
Re: Defective ShopJimmy LED Strips?

had nothing but good strips from SJ. think you need to lower the brightness as others have posted.
Forum: Troubleshooting TVs and Video Sources 01-04-2022, 02:52 PM
Replies: 34
Views: 2,196
Posted By ajshoe
Re: samsung BN44-00599A PWB

quick follow up - bought second main bd and installed it. had 3.3 V at joy stick button connector. put it together and works perfectly. Lesson learned - watch who your buying boards from - lots of...
Forum: Troubleshooting TVs and Video Sources 01-02-2022, 10:33 PM
Replies: 14
Views: 673
Posted By ajshoe
Re: Panasonic TC-P50G10 DEAD

decent tv - can be a nightmare to repair (especially PWB). fixed a couple of these and they are a challenge.
Forum: Troubleshooting TVs and Video Sources 01-02-2022, 09:42 AM
Replies: 34
Views: 2,196
Posted By ajshoe
Re: samsung BN44-00599A PWB

traced CN201 (main bd conn to PWB) standby voltage to Samsung prop chip sps-HI16.
all buck regulators (found 3) have 0 volts at input with main power on.
I give up - main board is a nightmare to...
Forum: Troubleshooting TVs and Video Sources 01-01-2022, 12:44 PM
Replies: 34
Views: 2,196
Posted By ajshoe
Forum: Troubleshooting TVs and Video Sources 01-01-2022, 12:37 PM
Replies: 34
Views: 2,196
Posted By ajshoe
Re: samsung BN44-00599A PWB

joystick button CN1202 Pin 3 (A3.3V) is shorted to ground (joystick is disconnected). USB connector VCC is not attached to LD1117 anywhere. maybe goes thru resistor to USB port. The two LD1117 i...
Forum: Troubleshooting TVs and Video Sources 12-31-2021, 06:30 PM
Replies: 34
Views: 2,196
Posted By ajshoe
Re: samsung BN44-00599A PWB

found this training manual - too bad they didn't go over joy stick button testing or 3.3V checking on connector CN1202
also technical service bulletin about main board
Forum: Troubleshooting TVs and Video Sources 12-31-2021, 02:57 PM
Replies: 34
Views: 2,196
Posted By ajshoe
Re: samsung BN44-00599A PWB

most likely another chip on that 3.3V line thats shorted out. I read something about this main board having a bad chip - samsung has a tech bulletin out on this board. should have been a recall. ...
Forum: Troubleshooting TVs and Video Sources 12-31-2021, 01:57 PM
Replies: 34
Views: 2,196
Posted By ajshoe
Re: samsung BN44-00599A PWB

thanks - I will take a look
Forum: Troubleshooting TVs and Video Sources 12-31-2021, 01:46 PM
Replies: 34
Views: 2,196
Posted By ajshoe
Re: samsung BN44-00599A PWB

anybody know how 3.3 volts gets to joy button from main bd from power supply ? anything I should be looking at or Main bd not worth the time ?
Forum: Troubleshooting TVs and Video Sources 12-31-2021, 10:36 AM
Replies: 34
Views: 2,196
Posted By ajshoe
Re: samsung BN44-00599A PWB

with joy button 8 pin connector disconnected. orig main bd in - all pins had 12-15 Mvolts except ground pin. with new EBAY main bd - all pins had 205 Mvolts except ground. NO 3.3 VOLTS on any main...
Forum: Troubleshooting TVs and Video Sources 12-31-2021, 08:20 AM
Replies: 34
Views: 2,196
Posted By ajshoe
Re: samsung BN44-00599A PWB

that is my main bd - obviously it has 8 wires. I was looking at post #16 (lotas) pinout. I'll measure voltages shortly and report back.
Showing results 1 to 25 of 388

 
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