Re: Sharp Roku LC55LBU591U No Video but Backlights and Audio ok
Nassau, Bahamas
NasTech
Senior Member
Last Activity: Yesterday, 07:21 AM
Joined: 09-20-2011
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Sharp Roku LC55LBU591U No Video but Backlights and Audio ok
Television don't display video but the backlights/Audio works.
I disconnected one side of the T-Conn cable and got distorted video on one side of the Panel. I taped off a few pins on the T-Conn cable both side of the panel displays but distorted video. I also replaced the T-con board results same blank screen. Any suggestions?... -
Re: Westinghouse WD55UB4560 4K TV Now have split video
Here the label of the back of the TV...Leave a comment:
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Re: Westinghouse WD55UB4560 4K TV Now have split video
The M/O and C/N numbers have to match? Will update when i get a match numbers.Leave a comment:
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Re: Westinghouse WD55UB4560 4K TV Now have split video
The part number CV6M50L-A-12 matches but the M/O and C/N doesn't as shown in the attached pics. The first photo is the old defective part and the second photo is the new part installed....Leave a comment:
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Westinghouse WD55UB4560 4K TV Now have split video
I bought this Westinghouse WD55UB4560 4K TV from an individual who don't wanted it fix the original problem it had was no video I check some voltages on the FRC board it wasn't sending voltage to the T-CON board so I replaced the FRC board that's giving this results split video. Any help to resolve will be greatly appreciated.... -
Re: Westinghouse WD55UB4560 4K TV
I bought this Westinghouse WD55UB4560 4K TV from an individual who don't wanted it fix the original problem it had was no video I check some voltages on the FRC board it wasn't sending voltage to the T-CON board so I replaced the FRC board that's giving this results split video. Any help to resolve will be greatly appreciated....Last edited by NasTech; 04-26-2021, 04:51 PM.Leave a comment:
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Re: Sylvania LC320SS8 Power light flashes 3-5 times then back to standby
Sorry for taking so long to get Voltages but this what i come up with
[B][I]Back Light Power Board to CN001 on mainboard[/I][/B]
[I] [COLOR="Red"]STANDBY[/COLOR] Voltages[/I]
1. GND
2. Protect3 [COLOR="Red"]3.3V [/COLOR]
3. Protect2 [COLOR="red"]0V[/COLOR]
4. Protect1 [COLOR="red"]0V [/COLOR]
5. P-ON-BL [COLOR="red"]1.5mV[/COLOR]...Leave a comment:
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Re: Sylvania LC320SS8 Power light flashes 3-5 times then back to standby
In which section?Leave a comment:
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Sylvania LC320SS8 Power light flashes 3-5 times then back to standby
I have Sylvania LC320SS8 TV as soon as i plug in the power cord the tv powers up by itself the power light would flash green about 3-5 times then back red to standby. I check the transformers on the inverter board for opens, found one was open and repaired the open connection. The Tv still powers up by itself when powers cord is plugged in the outlet. Now the power light flashes green about 83-85 times the back light would turn off then power light will continue flashing fast about 20-24 time then back red to standby. Not sure what else is bad Please Help... -
Re: LG 50PB560B-UA Sound no video
I discounted connection P132 the runs to the y-sus board to see if it is pulling down the 18v on the P132 pin 1 but it still reads 3.7v. Which section of the z-sus board produces this 18v supply?...Leave a comment:
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Re: LG 50PB560B-UA Sound no video
I have the same model with sound no display. From the voltage reading i have done i think my problem is the z-sus board. The power supply voltages are good but the z-sus voltage are good except P132 pin 1 only reads 3.7v and it's mark 18V even when I disconnect the y-sus connector it still reads 3.7v...Leave a comment:
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Re: Insignia NS-32L240A13 POWER SUPPLY DEAD
I found a Main Board from shopjimmy but it don't solve the problemLeave a comment:
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Re: Insignia NS-32L240A13 POWER SUPPLY DEAD
Why am i only getting 2.6volts on 5V1Leave a comment:
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Insignia NS-32L240A13 POWER SUPPLY DEAD
Hello
I check the Power supply found two short MOSFET SMK0825 Replace them with FQPF9N25CYDTU I getting my 5Volts on pin 5Vsb and pin 5V1 reading 2.7volts. How can i startup the Power supply without the Main board because when i connect the main board standby voltage fluctuate between 1 - 2volt. No standby light.
Connect resistor between PON and 5V still not turning on, find a 8pin regulator part number not listed(A6059H) can any cross referrence or help with troubleshooting please assisted.
Please Help... -
Re: Insignia NS-32L240A13 NO POWER
Any info diagram or schematic drawing for this Power supply 6MF00320A0
ThanksLeave a comment:
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Re: Insignia NS-32L240A13 NO POWER
Did that same results like when i connect the main board stand by voltage drops. What can be stoping the PS from turning onLeave a comment:
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Insignia NS-32L240A13 NO POWER
Hello
I check the Power supply found two short MOSFET SMK0825 Replace them with FQPF9N25CYDTU I getting my 5Volts on pin 5Vsb and pin 5V1 reading 2.7volts. How can i startup the Power supply without the Main board because when i connect the main board standby voltage fluctuate between 1 - 2volt. No standby light.
Please Help... -
Re: Lg 50pc3d blinks once click shutsdown
Thanks Guys for the helpful info.
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Re: Lg 50pc3d blinks once click shutsdown
Vs reading 230v-259v and Va 66v-79v then Power Supply shutsdown, Any diagram for the Power Supply
Also New Meter and Battery...Last edited by NasTech; 08-21-2013, 05:21 PM.Leave a comment:
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