I replaced some LEDs from the backlight and would like to lower LED current. There is no adjustment in the regular menu. Anyone knows how to get into the service menu?
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Re: service menu RCA RLDED3955A
There is no backlight option in the picture settings? I'm pretty sure this setting will achieve what you are looking for. -
Re: service menu RCA RLDED3955A
No, unfortunately nothing in the picture setting...Comment
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Re: service menu RCA RLDED3955A
The circuit uses the OB3350. Look for several resistors in parallel which are in series with the cathodes of the LEDs (on the PCB). Increasing these resistor values will lower the current.
The reference value in the OB3350 is 300mV, they used resistors of a total of 0.3Ohm so they were passing 1A (!) through the LEDs, I lowered it to 300mA and it still is bright enough.Comment
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ALL LCD LED TV SERVICE MENU CODES
Service Menu Code with Board Name
China Universal Board / Jumper Board Service Menu Code
Changhong Ruba Service Menu Code
Ecostar LED TV Service Menu Code
Orient LED TV Service Menu Code
Haier LED TV Service Menu Code
TCL LED TV Service Menu Code
Samsung LED TV Service Menu Code
LG LED TV Service Menu Code
Videocon LED TV Service Menu Code
Supra LED TV Service Menu Code
Toshiba LED TV Service Menu Code
Symphony LED TV Service Menu Code
Veste/ LED TV Service Menu Code...10-31-2024, 03:58 AM -
Hi,
I have JVC LT-32CA120
Board:Vestel 17MB171
I need rotate screen.It is possible in service menu and how to enter service menu?
Thanks. -
I need to open service menu of Dell laptops like image in attachment
Ignore my English
I want beacause i flashed mec5055 using rt809h now it's does not have service tag, but when I install service using F2 in bios setup after save service tag and press disable manufacturing mode using alt+f then battery chagring is permanently disabled. I want to resolve this problem... -
Dear All,
FAFO is the correct definition of what happened with my Samsung UN70RU7100K TV, I was trying to change the region to enable samsung plus using the service mode, entered the mode mute 1 8 2 pwr, and started to dig in. Did some changes while having digital TV signal in the back instead of doing it in HDMI standby mode, I remember changing to a region different then mine but also had a different tuner $%&!. After rebooting the TV, it was all gone, now it shows the splash image and then no image at all. If i disconnect the lan cable from the back, a message is shown in the... -
I had a the above tv qn55q60r that had a bad panel but everything else good. I had another panel here from un55nu6900 with bad leds and melted diffusers.
I put the nu6900 panel in and powered it up and it does work but there are lines vertical lines.
I was trying to change the panel type in the service menu but don’t see my exact panel. Anyway to fix this or someone have similar experience.
the clear picture is the panel type from the service menus on the nu6900. The other 1 is the panel type that was set for the q60r with the bad panel....01-13-2024, 01:57 PM
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