Forum: Troubleshooting TVs and Video Sources
07-29-2022, 12:03 PM
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Replies: 20
Views: 335
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Forum: Troubleshooting TVs and Video Sources
07-29-2022, 11:14 AM
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Replies: 20
Views: 335
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Forum: Troubleshooting TVs and Video Sources
07-29-2022, 10:45 AM
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Replies: 20
Views: 335
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Forum: Troubleshooting TVs and Video Sources
07-29-2022, 09:58 AM
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Replies: 20
Views: 335
Re: LG 55UB8500 no picture.
I check and they have 400 volts, on my first post I told I have voltages on the plug who's goes on Main Board
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Forum: Troubleshooting TVs and Video Sources
07-29-2022, 09:11 AM
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Replies: 20
Views: 335
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Forum: Troubleshooting TVs and Video Sources
07-29-2022, 09:04 AM
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Replies: 20
Views: 335
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Forum: Troubleshooting TVs and Video Sources
07-29-2022, 06:55 AM
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Replies: 20
Views: 335
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Forum: Troubleshooting TVs and Video Sources
07-28-2022, 06:44 AM
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Replies: 20
Views: 335
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Forum: Troubleshooting TVs and Video Sources
07-27-2022, 01:20 PM
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Replies: 20
Views: 335
LG 55UB8500 no picture.
Hi, I have problem with this LG model 55UB8500, it have no picture,I check voltage in Power Supply , all the voltages 24 volts 12 volts, 3.5 volts are there, when I push power ON, it have Red led on...
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Forum: Troubleshooting Audio Equipment
06-21-2022, 08:22 AM
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Replies: 0
Views: 162
Paradigm Ultra Cube 10V2
Hi, someone have service manual or knows the value of the resistor in this subwoofer R43 and R47 location?
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Forum: Troubleshooting TVs and Video Sources
06-07-2022, 06:44 AM
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Replies: 2
Views: 220
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Forum: Troubleshooting TVs and Video Sources
05-13-2022, 06:41 AM
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Replies: 4
Views: 271
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Forum: Troubleshooting TVs and Video Sources
05-12-2022, 09:06 AM
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Replies: 4
Views: 271
Plasma Panasonic TC-P42C2
Hi guys,
Hi, I have Panasonic model TC-P42C2 with Blinking led on the front, I found this TNPA5066AC SN Board defect, now the TV working with the new board but picture is very weak with...
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Forum: Troubleshooting Audio Equipment
02-28-2022, 09:30 AM
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Replies: 12
Views: 697
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Forum: Troubleshooting Audio Equipment
02-26-2022, 10:21 AM
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Replies: 12
Views: 697
Re: Yamaha RX-V3900
I try disconnect all connectors on HDMI board always same problem, see the photos
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Forum: Troubleshooting Audio Equipment
02-21-2022, 07:43 AM
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Replies: 12
Views: 697
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Forum: Troubleshooting Audio Equipment
02-19-2022, 09:28 AM
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Replies: 12
Views: 697
Re: Yamaha RX-V3900
Self-diagnostic mode by holding down the 'enter' &preset tuning> buttons while pressing in the master on/off switch repeatedly many times but the message 'MAIN ON' stays on nothing else happening.I...
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Forum: Troubleshooting Audio Equipment
02-18-2022, 09:15 AM
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Replies: 12
Views: 697
Re: Yamaha RX-V3900
I try but I cannot because when I push Power On the amplifier shutoff immediatly
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Forum: Troubleshooting Audio Equipment
02-17-2022, 01:17 PM
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Replies: 12
Views: 697
Yamaha RX-V3900
Hi guys, I have this Yamaha for repair, the problem is when I push Power ON,, the amplifier goes Off in 1 second, I try Hard reset, same problem, I change all the capacitors on the Ic regulator...
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Forum: Troubleshooting TVs and Video Sources
02-02-2022, 07:45 AM
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Replies: 3
Views: 291
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Forum: Troubleshooting TVs and Video Sources
02-01-2022, 03:09 PM
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Replies: 3
Views: 291
Sony KDL40EX521 USB device problems
Hi guys,
have problem with this Sony, everything work but on the screen it's display this message: The USB device is drawing too much current. Please remove the device. The TV don't have...
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Forum: Troubleshooting Audio Equipment
01-10-2022, 10:45 AM
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Replies: 2
Views: 366
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Forum: Troubleshooting Audio Equipment
01-07-2022, 10:58 AM
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Replies: 2
Views: 366
Focal SW904 subwoofer problems
Hi,
I have Focal subwoofer defect, the model is SW904, it have no sound , I check the Power supply board and I found 3 capacitors who's defect, C412 -2200 uf 100 volts , and C413 and C436...
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Forum: Troubleshooting Audio Equipment
01-07-2022, 10:56 AM
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Replies: 6
Views: 557
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