have above mentioned tv standby light on but when i try to switch on using buttons at front tv doesnt respond, use remote to turn on, standby light goes off but nothing else happens, no backlight, picture etc.. anyone had same problem ?
-
-
Re: Samsung LE32R88BD Power Fault
Picture of the set with the back off then good clear pictures of each board
and close up of the connectors so we can see the labelling often helps.
Have you tried to find a service manual.Please upload pictures using attachment function when ask for help on the repair
http://www.badcaps.net/forum/showthread.php?t=39740 -
Re: Samsung LE32R88BD Power Fault
There are some burn marks between big primary cap and resistor (i think is rm801), i think that there is small cap under that glue but not sure
Comment
-
Re: Samsung LE32R88BD Power Fault
You MUST remove all those Glue.
https://www.badcaps.net/forum/showthread.php?t=34692Never stop learning
Basic LCD TV and Monitor troubleshooting guides.
http://www.badcaps.net/forum/showthr...956#post305956
Voltage Regulator (LDO) testing:
http://www.badcaps.net/forum/showthr...999#post300999
Inverter testing using old CFL:
http://www.badcaps.net/forum/showthr...er+testing+cfl
Tear down pictures : Hit the ">" Show Albums and stories" on the left side
http://s807.photobucket.com/user/budm/library/
TV Factory reset codes listing:
http://www.badcaps.net/forum/showthread.php?t=24809Comment
-
Re: Samsung LE32R88BD Power Fault
what will i do after i remove all the glue ?Comment
-
Re: Samsung LE32R88BD Power Fault
Check for any damage to components due to conductive glue. If there is damage, you might need to replace some parts.Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
-
Re: Samsung LE32R88BD Power Fault
ok started removing the glue near the big cap , number on the board CM810 where it looks burnt out and one of the legs where broken, looks burnt.. thats possible problem, unsure of what the component is thoughComment
-
Re: Samsung LE32R88BD Power Fault
BN44-###### number of PSU?Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
-
Re: Samsung LE32R88BD Power Fault
Bn4400155aComment
-
Re: Samsung LE32R88BD Power Fault
See here:
CM810: 2.2nF/1kVPlease do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
-
Re: Samsung LE32R88BD Power Fault
ok thanks tom, not 100% sure how to use those manuals.. what is in place RM801 that looks pretty burnt too at one side. sorry for bein such a noobComment
-
Re: Samsung LE32R88BD Power Fault
0.22 ohm 1W resistor.
You can press CTRL+F and type your search key e.g. RM801 and it will find that component.
Schematic symbols are simple once you know the basics: http://highfields-arc.co.uk/construc...es/passive.jpg
Schematics, like the one linked, show how circuit components come together to form a functioning unit, in this instance, a power supply.Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
-
Re: Samsung LE32R88BD Power Fault
thanks tom, i will have a read up and get those components and try them out and get back to you.Comment
-
Re: Samsung LE32R88BD Power Fault
Tom66 does the CM810: 2.2nF/1kV have to be soldered in a specific way like the Caps or can it go in any way ?Comment
-
Re: Samsung LE32R88BD Power Fault
It is non-polar, which means it can go either way around.Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
-
Re: Samsung LE32R88BD Power Fault
ok Tom thanksComment
-
Re: Samsung LE32R88BD Power Fault
Tom66 changed those 2 components oon the board and the tv is working great, thanksComment
-
Re: Samsung LE32R88BD Power Fault
Glad to hear, enjoy the TV.Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
For service manual, schematic, boardview (board view), datasheet, cad - use our search.Comment
-
Hello, as I mentioned in the title, I have a Samsung TV at home, model UE40MU6405U, which is about 5 or 6 years old.
After a power company failure, the TV stopped turning on and even the standby light wouldn't come on. Over a period of about 10 seconds, the electricity kept going off and on repeatedly, and the TV died.
The power supply is: L40E6_KSM (BN44-00875A)
The main board: BN41-02568B
The power supply board seems to be fine. All the voltages are present. If I disconnect it from the main board, I get backlight.
I've also checked the... -
Hey everyone - I have a Samsung UN58J5190 with these symptoms: Does not power on, has standby light, standby light blinks 5 times after pressing "power on." When plugged in the power supply is making a very faint ticking sound, and this goes away when pressing power on.
Following instructions from the great team here in recent posts for Samsung with similar symptoms, I did the following tests:
I tested with mainboard disconnected from power supply - backlights do not come on (symptoms no change/5 red blinks)
I tested with T-Con disconnected... -
Hi all,
TL;DR - this laptop is driving me nuts with the oddball power-related behaviors. Appreciate any insight you can provide!
I'm experiencing a power issue on an Asus Probook P5440UF-XB74. Although I've worked with electronics and computers for decades, this is my first attempt at getting into motherboard-level component troubleshooting. Any help the community can provide is greatly appreciated!
A few weeks ago I was using the laptop (on battery power) for a Zoom meeting. The battery was running very low (long meeting) but I wasn't worried about... -
Hello, I have a Samsung UN50EH5300 in my possession that I'm looking to bring back to life.
Symptoms:- - no power
- - no standby LED
What I've done so far:
- confirmed power supply is OK
-- CN201 #4 showing 5.3V
-- BD207 showing 5.3V
-- removing the cable between the main board and the power board turns on the backlight.
Pushing the power button on results in no change to any of the pins connecting the two boards.
- function assembly appears to be NO GOOD
-- there is no voltage showing on any of... -
By inserting power, on the diodes DM856...Dm859, there are 9 volts, when you press the power button the voltage is 12 volts, voltage present for a few seconds, then returns to 9 volts
The power LED remains off, always.
Reprogrammed Ic 503 = 25Q40 and IC 501 = 25Q80, downloaded from the site
The situation remained the same
https://**************/dump/lcd_pdp_...oogle_vignette...
Comment