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BN44-00423A power supply for a Samsung Un46D6003SF/ZA, 5 time blink one pause. Appears the 200volt line shuts down immediately, never comes on, any thoughts?

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SAMSUNG BN44-00423A BN44-00458A PD46A1_BSM BN4400423A POWER SUPPLY https://www.abctay.com/samsung-bn4400423a-bn4400458a-pd46a1bsm-bn4400423a-power-supply-p-1308.html

Posted on Nov 06, 2019

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Where are you finding a 200 volt line?...as there shouldn't be that voltage on any supply voltages, if your seeing this at the LED driver output that is to high and that part of the PS is shutting down most likely due to open lamps in the panel.

Posted on Dec 06, 2017

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

Anonymous

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SOURCE: I have a sony wega lcd tv (bought 12/2005). The picture and sound goes off and it blinks 5 times and then pauses and blinks another 5 times. If I shut the tv off and wait a while, it works fine for th

Your lamp is getting dim. You need a new one.

Posted on May 11, 2009

mahesh patel

  • 197 Answers

SOURCE: bad "GM Board" - power light flashes 6 times

you have a bad lamp.that will cause the same problem

Posted on Jul 02, 2009

vinnyq

vinnyq

  • 157 Answers

SOURCE: Sony Bravia KDL-40V300 won't turn on.

Unfortunately 5 blinks is a LCD panel error. The only way to fix it is to replace the whole LCD panel. This is the most expensive part in the TV.
part number: 1-802-488-12
List price: $1336.32
Core charge: 1790.00
You could try to replace it yourself but would need to take the whole TV apart by first taking off the back cover, then removing all the boards in order to get to the panel before putting it back together but I would just recommend buying a new TV as the price of the repair exceeds the price of a new TV of the same size.

Posted on Oct 13, 2009

Anonymous

  • 16 Answers

SOURCE: Picture & sound suddenly shut off. power light blinks red 5X...5X

http://www.sonya20tvclassaction.com/main/home.sfx MAKE SONY FIX IT

Posted on Dec 03, 2009

welcomejee

Shahid Electronics

  • 10594 Answers

SOURCE: Mitsubishi model Wt-46807 Power shuts

hi,
Error code 2-2 indicates "Short Protect Circuit" problem in tv.
Need to check pico fuses in power supply as one or two got blown due to bad convergence chips.
Below is an exploded view of tv chassis, power supply and convergence area has been marked to give you better idea to look for pico fuses.
Unplug tv from wall socket before to repair/check any thing inside tv.
Hope these info will help you.
Let me know if you have additional question.
Thanks.

763826c.jpg

Posted on Oct 16, 2010

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Samsung txr3079whx/xaa 5 blinking lights


5 blinks to Samsung indicates a fault in the main power supply output voltage.

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Power supply isn't working


dOES SET COME ON WITH POWER LIGHT ON AND A FEW SECONDS LATER SHUTS OFF?

WHEN it turns off press and hold both the menu and input buttons on the front of the set for at least 5 seconds and release both.

watch for power light to blink a two digit error code like 1 blink, 2 blinks and then pause and repeat the code for about 5 times .

Let me know what code you find .

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The tv will instantly shut off after its powered on. I did a self check by holding the menu and input buttons for 5 seconds and the green power light in front blinked twice then paused, and blinked twice...


this is error 22. which is a short curcit protection error. the first suspects in this case is the convergence ic (stks) these are supplied by 24 and -24 volt lines. these short and shut the set down.

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The samsung ln46a650 will click continously when triing to turn on and the red light just keeps blinking.


Most likely failed capacitors in the power supply. I am currently having the same problem with my 26 month old LN46A750. Samsung has greed to fix this as a "courtesy repair".

http://www.thebuzzmedia.com/samsung-tv-capacitor-clicking-issue-and-free-repair/

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Aug 16, 2010 | Samsung LN46A650 46 in. LCD HDTV

2 Answers

Turns off immediately after turned on


Do the self check it should have: when shuts down and green light goes out: On the front of the set press and hold both input and menu buttons at the same time for at least 5 seconds and then release both.

Power light on set should blink a two digit error code: like 2 blink,2 blink, pause and repeat it at least 5 times total.


Let me know what error code and I will tell you what it means.


If this has helped you, rate this solution as I do this here for free.



SD TECH

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1 Answer

Daytek DT4660 - at ac on , led grn for 2-3 secs, one blink red, pause, 2 blinks red, pause , 3 blinks red, pause ,then rapid 5-6 red blinks followed by repeat of above. I've unplugged the 12 volt connector...


Hi

I work on Daytek 4660 models. I have seen the problem you are having and have solved it a couple of times by replacing all the capacitors in the power supply. If you use an oscilloscope to measure the voltages they may appear fine, however I have solved this problem by replacing all the capacitors in the 2ndary circuit of the power supply. It doesn't always work, but has worked in about half of the TVs that have come in with this problem. Also, just to make sure, if you remove the shielding from the board that drives the LCD panel make sure the little smt fuse is good. It's right on the 5V power line close to the ribbon connector from the main board.

Feb 20, 2010 | Samsung LN46A650 46 in. LCD HDTV

2 Answers

Power shuts off 1 second after tv is turned on


Good Day,

This model is equipped with a self-diagnosis feature to help with diagnosis of shutdown problems. To activate this turn the unit on let it shutdown then press the input and menu buttons on the front panel simultaneously and hold them in for 5 seconds after 5 seconds the power LED on the front panel will blink a two digit sequence. This will be one set of blinks a short pause then another set of blinks, this will repeat 5 times.
1 - 2 = no error detected
2 - 1 = X-ray protect (high voltage or beam current)
2 - 2 = Short protect (short protect monitors low voltage supplies)
2 - 3 = Deflection protect (this could be loss of vertical or horizontal deflection)
2 - 4 = Vertical protect (usually loss of vertical from the source)
1. SHUTDOWN AT POWER WITH SELF DIAGNOSIS ERROR 2 2. CHECK FOR LEAKY C9A60 470 PF 1000 V PART # 154P400030, PARALLEL TO D9A57 ON THE POWER PCB (NOT SHOWN IN THE SCHEMATIC).

2. SHUTDOWN AT POWER WITH SELF DIAGNOSIS ERROR 2 2. CHECK FOR OPEN FUSES F9A04 AND F9A05 PART # 283P043090 ON THE +24 AND -24 VOLT LINES. IF THE FUSES ARE OPEN THE CONVERGENCE OUTPUT CIRCUIT WOULD BE SUSPECT.

3. SELF-DIAGNOSIS INDICATES SHORT PROTECT. CHECK FOR A SHORTED IC4B01 PART # 270P261020 (VERTICAL OUTPUT) LOADING 24-VOLT SUPPLY LINE. LOCATED ON THE MAIN PCB.

I hope this was helpful, BIG IRISH.

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1 Answer

Samsung HC-R4755W 47 in hdtv will not come on


Those blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
http://electro-medical.blogspot.com/
http://homenol.blogspot.com/
http://electronicshelponline.blogspot.com/
If blinks continue without any pause, the main board is faulty.

May 27, 2017 | Samsung HC-R4755W 47" HDTV

1 Answer

Blinks twice pause blinks 4 times


SYMPTOMS
Dead or Shutdown symptoms.
RESOLUTION
Dead symptom reported to be caused by the following:
1. Dead.
Found Q601 & Q602 shorted, R615 open, and IC600 on the A Board were the cause of the symptom.

2. Dead.
Found D614, Zener diode, on B+ line was shorted.

3. Set shutdown and the standby LED blinks 3 then 5 times.
Found 200v line was low. Disconnected CN706 on the C Board and found 200v now
present on CN706/pin 7.
Found: IC702 (C board) shorted the 200 volt line.
HQ Comments: C541 on the A Board could become defective if the 200v line is shorted since
the polarity on the capacitor will become reversed. R553 fuse resistor could also be opened
on the A Board.

4. Error code of 4 blinks .
Dead set press power button you hear the relay and you see red led flash 3 times and stops? Has no HV or other action. Tech removed the back as no 200 volt supply, did unplug CN706 and now has 200volts. Tech did remove the IC702 and same it comes up so needs this IC.

5. Dead. 5 blinks then 3 blinks. Found shorted Damper diode D504. Q502 has a built in damper, as well.

6. The TV does not turn On and the LED flashers 9 times.
Found one side of R610 open on the Base of Q690 on the A board.

7. Dead, 9 flashes, Q606
Would not start when cold, has stand by 5 but relay never energize.
No response from front panel or remote controls.
9 blinks is not in service manual.

Found Q606 (Zero Det.), on the A Board, had no soldered on the collector
of the transistor causing an intermittent connection.
Soldered the collector of Q606 and set returned to operation.
HQ Comments: Also refer to E30968554.

8. Dead. 5 blinks or 3 blinks
Found on the A Board D611 in the Power Supply open, and Hor. Output Q502 shorted.

9. Found Power Supply components D611 shorted causing Q600, Q601, and R615
to fail on the A Board.

10. No picture or sound. Standby flashes.
Found Q512 (Pin Out) shorted. on the A Board.





11. Dead. No sound or picture.
Found the FBT and Q502 were shorted, and R615 open on the A Board.

12. Dead
No power, Stand by light flashes 4 times.
Found T604 and IC601, replaced.
Found D611 on the A Board was the cause of the symptom.

13. Dead.
Found D534 shorted on the A Board.

14. Shutdown 4 Blinks.
Replacing R595, OCP Latch Q532 on the A Board, fixed the set.
PN 1-247-891-00, 330K 1/4 watt.

15. Unit shuts down after 15 mins.
Immediate shutdown - sometimes it give a 3 blink, sometimes nothing.
Found R595 (330K) was open located in the Q532 OCP Latch circuit.
R595 P/N 124789100 330k 1/4w

16. Won't power up. LED Blinks 4 times, B+ is very low
B+ is at 49V, +15/-15 only coming up to about 1 volt.
Wth Hor Out disconnected B+ only comes up to 50v.
Found D611 on the A Board was the cause of the symptom.

17. Intermittently does not turn on
Found a intermittent C633 on pin # 3 of IC600.
C663 P/N 113647911 Film cap .001uf 100v



Billy

If you need the service manual contact me at:billyjones@fletchersite.com

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