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Search: Posts Made By: sn4k3
Forum: Troubleshooting TVs and Video Sources 01-11-2019, 07:04 PM
Replies: 8
Views: 204
Posted By sn4k3
Re: Samsung UE40D5003BW show logo and turn off itself

I've checked, it's always fixed, no fluctuations, both 13v and 5v fixed, no changes when it turn off



No, but is possible, bottom side is a bit darker on CPU side, i have SEMS20 on stock, if...
Forum: Troubleshooting TVs and Video Sources 01-08-2019, 02:15 PM
Replies: 8
Views: 204
Posted By sn4k3
Re: Samsung UE40D5003BW show logo and turn off itself

I don't know, that board was been there for years and match plastic holes. Maybe because i don't place every screw it seen wrong to you.

Red blinks here:...
Forum: Troubleshooting TVs and Video Sources 01-08-2019, 01:06 PM
Replies: 8
Views: 204
Posted By sn4k3
Samsung UE40D5003BW show logo and turn off itself

Brand: Samsung
Model: UE40D5003BW, UE40D5003BWXXC
Chassis: BN41-01702A
Panel: LD40BGD-V1

Before this samsung started to lose sound itself, then it start to boot loop with samsung logo and now...
Forum: Troubleshooting TVs and Video Sources 01-08-2019, 12:57 PM
Replies: 430
Views: 82,233
Posted By sn4k3
Re: Eeprom dump thread!

Brand: Samsung
Model: UE40D5003BW, UE40D5003BWXXC
Chassis: BN94-04940R, BN41-01702A
Panel: LTJ400HM05-J, LD40BGD-V1
Forum: Troubleshooting TVs and Video Sources 01-07-2019, 02:21 PM
Replies: 430
Views: 82,233
Posted By sn4k3
Re: Eeprom dump thread!

MODEL: 32/173I-GB-4B-hbkup-eu
MODEL: b32fa173bk
PRODUCT CODE: BW32O173BBKPE421
MAINBOARD: T.MSD309.9b 10345
PANEL: LTA320AN12
TUNER: XDTT-6F1C/T1146
Forum: Troubleshooting TVs and Video Sources 07-18-2018, 07:41 AM
Replies: 430
Views: 82,233
Posted By sn4k3
Re: Eeprom dump thread!

Someone send me the file
here is:

Blaupunkt 40/148i-GB-5B-FHBKUP-EU
Chassis: TP.MSD309.BP85
Model: B40A148TCFHD
Product code: BA40I148BFBKPE061

Label on LED screen:
Model: 0040CA001
Forum: Troubleshooting TVs and Video Sources 07-17-2018, 02:48 PM
Replies: 430
Views: 82,233
Posted By sn4k3
Re: Eeprom dump thread!

Hello, anyone have the dump for:

Blaupunkt 40/148i-GB-5B-FHBKUP-EU
Chassis: TP.MSD309.BP85
Model: B40A148TCFHD
Product code: BA40I148BFBKPE061

Label on LED screen:
Model: 0040CA001...
Forum: Troubleshooting TVs and Video Sources 07-07-2018, 08:09 AM
Replies: 3
Views: 195
Posted By sn4k3
Re: TV Image with ghost colors and artifacts

Thats bad news :(
What you repair people do when the problem is the panel? It is worth to get a new one to repair? I ask because the screens cost alot, sometimes more than the TV
Forum: Troubleshooting TVs and Video Sources 07-06-2018, 02:17 PM
Replies: 3
Views: 195
Posted By sn4k3
Samsung LE40A756R1M Image with ghost colors and artifacts

Hello, i have an TV with some ghosting/bad image, LCD is not cracked and has not been impacted, everything works without lag only have this problem on image no matter the source or the input.
It's...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 06-09-2018, 11:02 AM
Replies: 13
Views: 1,397
Posted By sn4k3
Re: Soldering Equipment

861DW for hotair.

Soldering station: ERSA Nano or ERSA I-CON 1
If you want go cheaper you always have the T12 clones and TS100 which is great with minor modding eg:...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 05-21-2018, 03:05 PM
Replies: 7
Views: 270
Posted By sn4k3
Re: K52F REV 2.2 HDD don't turn on nor detected

Dam, in that case the spot was perfect. Better there than in other sensive IC :rock:
It was the only spot with that thing and only surround that two caps
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 05-21-2018, 02:46 PM
Replies: 7
Views: 270
Posted By sn4k3
Re: K52F REV 2.2 HDD don't turn on nor detected

True, but that is strange, can a ceramic cap leakout and cause this?
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 05-21-2018, 01:13 PM
Replies: 7
Views: 270
Posted By sn4k3
Re: K52F REV 2.2 HDD don't turn on nor detected

Thank you all.
I able to fix the problem, now it boot again.

The CX5103 and CX5104 are good, they were near the sata connector.
After fight for a free board view for this model i found one and...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 05-20-2018, 09:08 PM
Replies: 7
Views: 270
Posted By sn4k3
K52F REV 2.2 HDD don't turn on nor detected

Hello,

I have a K52F REV 2.2 motherboard that don't turn on the HDD or detect it. The HDD don't spin or do any turn on noise.
All other functions are working, including the DVD drive, just the...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 01-18-2018, 10:19 AM
Replies: 34
Views: 4,520
Posted By sn4k3
Re: acer v3-772g

Not very good one, but it helps...
Forum: Troubleshooting Laptops, Portable, and Mobile Devices 01-12-2018, 07:45 PM
Replies: 34
Views: 4,520
Posted By sn4k3
Re: acer v3-772g

anyone have the board view for this? pcb files or brd?
Someone inverted + and - terminals on charger cable and now it don't power on or draw any current from the power supply.
Schemantic is a mess...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 11-05-2017, 07:44 PM
Replies: 2
Views: 590
Posted By sn4k3
Re: Camera for trinocular microscope.

If you can import:

https://www.aliexpress.com/item/1080p-HDMI-USB-SD-digital-microscope-camera-with-SONY-sensor/32464609452.html

+
...
Forum: Troubleshooting Power Supplies and Power Supply Design 11-01-2017, 10:43 AM
Replies: 9
Views: 790
Posted By sn4k3
Re: TV SMPS BN44-00473A keeps turn on and off

Well i'm just following the schemantic from PDF, as i can see the AC voltage get rectified to DC at BD801S after that the positive side pass the diodes DP802 and DP803 and go directly to the fuse...
Forum: Troubleshooting Power Supplies and Power Supply Design 11-01-2017, 10:29 AM
Replies: 9
Views: 790
Posted By sn4k3
Re: TV SMPS BN44-00473A keeps turn on and off

No, i put the negative lead on terminal (-) of BD801S and positive lead on fuse, tested both sides and they are 325VDC. As i told fuse is good, i test first for continuity, not open. I also tested...
Forum: Troubleshooting Power Supplies and Power Supply Design 10-31-2017, 10:17 PM
Replies: 9
Views: 790
Posted By sn4k3
Re: TV SMPS BN44-00473A keeps turn on and off

Voltage across + and - BD801S is 325VDC
Fuse FP802S is rated at 250V, 325VDC messured, and not blown, why?
Forum: Troubleshooting Power Supplies and Power Supply Design 10-29-2017, 10:36 AM
Replies: 9
Views: 790
Posted By sn4k3
Re: TV SMPS BN44-00473A keeps turn on and off

Yes i can see the ring under microscope, i have resolder the joints just in case.

CS802: 25.21uF, Vloss: 0.7%, ESR:0.11Ohm
CS855: 604.4uF, Vloss: 1.2%, ESR:0.00Ohm
DS804: 0.5153V (Voltage Drop)...
Forum: Troubleshooting Power Supplies and Power Supply Design 10-28-2017, 09:58 PM
Replies: 9
Views: 790
Posted By sn4k3
Re: TV SMPS BN44-00473A keeps turn on and off

Can you advice what components i should check?
I have measure all TS801S legs 7 and 8, they are near 0v dc.
DS853 center leg gives 2.6V min and 5V at spike.

I have checked all transformer legs...
Forum: Troubleshooting Power Supplies and Power Supply Design 10-28-2017, 05:50 PM
Replies: 9
Views: 790
Posted By sn4k3
TV SMPS BN44-00473A keeps turn on and off

Hello,

I have a BN44-00473A from a TV, the voltage output is not fixed, the psu keep turn on and off or is trying to turn on, but due some problem it can't mantain and keep reset. Every three...
Forum: Troubleshooting TVs and Video Sources 08-18-2017, 09:31 PM
Replies: 5
Views: 791
Posted By sn4k3
Re: Samsung BN41-01955A with a short on CPU SEMS29

Thank you, i will try to reflow it on place. Ordered 3pcs
I will update once got news.

Regards
Forum: Troubleshooting TVs and Video Sources 08-18-2017, 05:55 PM
Replies: 5
Views: 791
Posted By sn4k3
Re: Samsung BN41-01955A with a short on CPU SEMS29

So the program is inside other ROM chip and not the SEMS29 itself?
As the SEMS29 is hard to find and buy thats why i ask, also can't find a datasheet to confirm...
Showing results 1 to 25 of 48

 
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