bdorset
Member
Last Activity: 04-17-2025, 09:47 AM
Joined: 08-29-2013
Location: Kingstown
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Samsung UN49MU7000FXZA emmc software anyone?
Looking for the emmc software for Samsung UN49MU7000FXZA. Can anyone help? -
Re: Samsung un49mu7000f dead no power
@bstewara, Did you solve this problem? -
Toshiba 55LF711U20 PSU Q201 part number please?
Transistor Q201 is missing from the PK101W1640I (FSP177-4FS02) Power Supply am working on. The attach photo is from the internet for reference. Can anyone help me with the correct part number please. Thanks... -
Re: Samsung UN43NU6950BXZA no sound, no picture nor backlight.
A closer look at the PS above show that the STB should be 7.6V and the ON= 12.35V. I measured STB=11.5V and ON=12.9V. Are those normal or it because the PS is not under full load because the TV is not coming on 100%?Leave a comment:
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Re: Samsung UN43NU6950BXZA no sound, no picture nor backlight.
With PS disconnected from mainboard:
Pin 2 =3.06V
Pin 4 =0V
Pin 6 =3.61V
With PS and mainboard connected and TV in on state
Pin 2 =0V
Pin 4 =3.38V
Pin 6 =0V
Voltages were measured on PS connector. NB that pin 4 on the PS is NC (not connected) to the rest of the circuit.Leave a comment:
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Samsung UN43NU6950BXZA no sound, no picture nor backlight.
Disconnecting the cable that link the mainboard and power supply brings on the backlights. With PS and mainboard connected, when I press the power button the power_on/off 3.3V goes to power supply, The PS voltage goes up to 12.9V from 11.5V when that happens. Backlight does not come on. After about 10-15 seconds Power_on 3.3V drop to zero, power supply goes back into standby. I disconnect the panel same problem. The mainboard numbers are BN94-14106F
BN94-14106F, BN97-15621C, BN41-02662A. Any suggestions, any service information?... -
Re: TCL TP.MS6308.PB775 backlight current too high?
Thanks to all who responded to my question and also to all who did some research but did not post a reply. I found the solution from many Russian forum. The solution is to change the resistor at pin 6 (ISET). The resistor on my board was 16.5K when removed. This resistor went from pin6 to ground. I replaces it with a 33K and the current drop to 150ma from 306ma and the voltage across the strips drop to 71V. I had to used Google translate to get the info because its all in Russian.Leave a comment:
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Re: TCL TP.MS6308.PB775 backlight current too high?
This is a single board TV, main and power supply together. I cant find an exact schematic for my TV but the attached schematic is very close. It uses the same controller IC in a different package....Leave a comment:
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TCL TP.MS6308.PB775 backlight current too high?
Greetings to all, Can anyone tell me how to reduce backlight current on this TCL TP.MS6308.PB775. The Board uses GB98AERN backlight controller IC. The original light bars are burn. It uses two bar in series. Each bar has six LED. The LED are 6V. The voltage across the two new bars 77V and 306ma current. The bars are getting hot in less than 5 minutes so I think the current is too high and the bars will burn soon again. Can anyone help?... -
Re: Replacing LG PSU LGP32-11P with LGP32-09P?
I think I can solve the problem if I get a schematic Diagram for EAY60868901 LGP32-10P, EAX61464001 power supplyLeave a comment:
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Re: Replacing LG PSU LGP32-11P with LGP32-09P?
I did used 1.5k @ 1% and I did test before I installLeave a comment:
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LG EAY60868901 LGP32-10P, EAX61464001 Schematic please?
Can anyone help me with the schematic Diagram for LG EAY60868901 LGP32-10P, EAX61464001 Power supply? If not can you help me with the Values for R203, R204, R205, R205, R206, R208, R209? Thanks. -
Re: Replacing LG PSU LGP32-11P with LGP32-09P?
Sorry it only took it down to 4.2VLeave a comment:
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Replacing LG PSU LGP32-11P with LGP32-09P?
What resistor(s) do I have to change to reduce the standby voltage from 5V to 3.5V? See attach photo. I have several brand new LGP32-09P that could be dead stock so am trying to use them to replace LGP32-11P. The amps and voltage rating are written on both supply and are the same except for the standby voltage. I also know that the arrangements of the voltages at the connectors are different but I can fix that problem. I just need to get the 5V down to 3.5V on the LGP32-09P in a professional way . Thanks for helping in advance.... -
Philips 40PFL3706/F7 eeprom dump?
Dear friends, am looking for eeprom dump for Philips 40PFL3706/F7. No audio sometimes at turn on. Other times no reply from power button. -
Repairing power supply with modules?
Has anyone tried this? What do you think about it? Where can I buy in the US? I think it will be useful for those allinone boards where the power supply section is badly damages. Can also be use to test to see if the rest of the TV is working before you waste time repairing a supply only to find out the screen ot the rest of the board not good.
[url]https://www.ebay.com/itm/Universal-Power-Supply-Module-14-60-LCD-TV-Switch-Electric-Conponents-5-24V-Hot-/201731865771[/url]
[url]https://www.youtube.com/watch?v=jkFhjJ2WLKk&t=27s[/url]Has anyone tried this? What... -
Toshiba 40RV52U or 40RV525U eeprom dump please?
Please help me with eeprom dump (bin file) for Toshiba 40RV52U or 40RV525U?... -
Toshiba 40E220U eeprom dump?
Please, can anyone help me with the eeprom dump for Toshiba 40E220U? Thank you. -
Vizio e320-a1 eeprom dump?
Please, can anyone help me with the eeprom dump U403 for VIZIO E320-A1 756TXDCB02K028 Main Board? Please keep in mind the mainboard number 756TXDCB02K028 since this set seems to use other mainboards. Thank you. -
Re: LG 50PZ750-UG loses menu settings when unplugged.
It looks like the user adjustable settings are stored in IC601. Is that correct? This set has several eeproms IC103, IC601, IC802...Leave a comment:
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