Hi,
I have got Toshiba 40U2063DB
Main board 17MB230
Standby light flashing
Have you got any recovery files or can you help me, please to fix the issue?
Thank you.
Regards....
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Re: philips 32pfl5507k/12
Have a look at
[url]https://english.electronica-pt.com/electronica-search?find=32PFL5507K/12[/url]Re: philips 32pfl5507k/12<br /> <br...5507K/12[/url]
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Re: lg 32LC46 backlight inverter board fault
It may be worth checking the electrolytic capacitors around the OZ964 for increased ESR or capacitance value....Last edited by dick_barton; 12-20-2021, 01:08 PM.
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Re: lg 32LC46 backlight inverter board fault
Have you checked the underside of the inverter board for hot spots ie browning of the board.
Is the PFC voltage measured as given in the manual?Last edited by dick_barton; 12-20-2021, 09:22 AM.
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Re: Samsung UN32N5300 SmarTV -2018
Another though is...........have you measured the voltages at the led connector (with leds disconnected) and then power up and see what the voltage peaks to. If ithe peak exceeds the 57V then it's possibly faulty led(s).
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Re: Samsung UN32N5300 SmarTV -2018
Just a quick thought. Can you check the resistance and inductance of T9101C. There have been a few issues with inductors running hot and failing in the led circuits.
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Re: lg 47LB585V help to identify ic please
You may well be correct. Just looking at the application note show there are two mosfets connected in totem pole so the 240 ohms could well mean that one of the internal mosets is damaged.
Good luck with your repair. Use plenty of flux with the solder and be patient.
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Re: Samsung LT22B350, alim BN44-00505A
The pinouts for the two types of diodes....
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Re: Samsung LT22B350, alim BN44-00505A
Maybe this one
[url]https://www.digikey.co.uk/en/products/detail/onsemi/MMBD6050LT1/11514935[/url]
They appear to be 3 pin SOT-23, 200mA, 70V diodes
I think the BAS 40-06 E6433 from Mouser will be an alternative
[url]https://www.mouser.co.uk/c/?q=bas40[/url]
Mouser Part No
726-BAS4006E6433Re: Samsung LT22B350, alim BN44-0050...SOT-23, 200mA,Last edited by dick_barton; 12-12-2021, 11:48 AM.
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Re: Samsung LT22B350, alim BN44-00505A
Do you have a photo of the diode?
[url]https://www.ipertronica.it/catalogo/LMDL6050-LMDL-6050-Diodo[/url]Re: Samsung LT22B350, alim BN44-0050...50-Diodo[/url]Last edited by dick_barton; 12-12-2021, 11:16 AM.
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Re: lg 47LB585V help to identify ic please
Are you saying L2411 has a resistance of 240 ohms or the output of the IC (1.5V ) to ground measured 240 ohms.
What is the resitance with the meter on one pad of L2411 to ground and again what is the reistance from the other pad of L2411 to ground both checked with L2411 lifted.
If the resistance of the IC2403, pIns 10, 11 & 12 is 240 ohms to ground then that would appear to be OK.Last edited by dick_barton; 12-12-2021, 09:45 AM.
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Re: lg 47lx6900-zd
Russian site says it's an LD03R chassis
Maybe similar to one of these.
[url]https://www.electronica-pt.com/english/electronica-search?find=LD03R[/url]Re: lg 47lx6900-zd<br /> <br /> Ru...nd=LD03R[/url]
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Re: Phillips 55PUS6561/12 Black Screen
When you say short what was the resistance reading across the capacitors?
Always best to add the pictures to your posting using "Go Advanced"
You could also of added to your existing thread since that gives fuller details of what you have done so far.Last edited by dick_barton; 12-09-2021, 08:07 AM.
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Re: Vestel 17IPS71 + 17MB82S - no standby
Do you have +24V on L5 which is a link on your board?
You have D11, D13 & D15 on board which rectify the voltage feeding to L5 (24V)
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