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Fuse is ok no 24v or other outputs - Protron PLTV-32 Television

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  • Protron Master
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Your switched Mode Power Supply has failed... Check the output from the bridge rectifier, check the Controller IC, ALL the Electrolytic Capacitors, Do a "Dry" "Diode" multimeter test on all discrete components. Check for voltage on the pins of the DC side of the fly-back transformer too. Check for shorts.

Posted on Feb 05, 2010

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Posted on Jan 02, 2017

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I HAVE AN AC ADAPTOR,… CLASS 2 TRANFORMER FOR OUTDOOR USE THAT NEEDS TO BE REPLACED.. MODEL: KMUA - 240 - 05000- 66UL INPUT: 120V - 60Hz 570mA OUTUT: 24V - 50VA


Amazon has it.

AC Power Adapter 120V input 24V 50W (50VA) output, UL listed
www.amazon.com › ... › AC Adapters
Mobile-friendly - AC 24V Power Adapter; 50W Output (50VA); 120V AC Input; UL Listed; Ivory Color item in OEM box ... 24V20AC 24V AC 20VA Transformer Input: AC 110V / 120V 60Hz Output: AC 24V 880mA

Dec 09, 2015 | Computers & Internet

1 Answer

Need a replacement power supply for a Evernote scanner


Sorry Gregory, gave you the wrong number.
You could try something like this. Various voltages and currents with different adapter plugs. This is on Ebay UK but I would think there are others, don't know where you are.
Ebay item number: 201154296095

Specs:
1.Rated Input Voltage: AC 110V or AC240V
2.Vibration Input Voltage Range: AC95V-265V
3.Input Rated Current: 0.4-0.6AMP
4.Input Power: 90W
5.Efficiency: >88%(TYP)
6.Out Power: 90W
7.Output voltage: 15V/16V/18V/19V/20V/22V/24V(0/+0.5V NOLOAD): DC15V-24V
8.Output voltage: 15V/16V/18V/19V/20V/22V/24V(-0.4/0.5V@rating load): DC15V-24V
9.Output current: 15-20V/4.5A@22V-24V/4.0A: 4.5AMP(max)
10.Overload protection: YES
11.Short Circuit Protection: YES

Dec 17, 2014 | Office Equipment & Supplies

1 Answer

Hello, I have an LG LCD TV Model : 37LC2RR-2L, I can get sound on th tv, the screen is on but no image appears.


You're backlight inverter is faulty.

You first need to check your power supply and ensure you have 24v output to the backlight inverter.

If you lack the 24v you will need to replace capacitors in-line to the 24v rail to get power back to your backlight inverter.
Look for these:


If your 24v is OK then you will need a replacement inverter to restore your picture to your tv.



Best of luck!

Please rate!drewpalmer04_62.jpg

Apr 18, 2011 | LG 37LC2RR 37 in. LCD TV

1 Answer

I have a mitsubishi rear projection and im getting 2-2 error codes , tried replacing the 2 ICs and pico fuses and still doing it


Hi,
Make sure +24V and -24V are present in power supply and being supplied to convergence output chips to solve 2-2 error problem.
Thanks.

Feb 13, 2011 | Televison & Video

1 Answer

Fuse and power supply look ok to the eye slight static sound on audio tiny flash intermitent inright corner on video, any clues? power diods check good ,nothing looks hot or burnt There is a second board...


Your power supply on the dc output should have the floowing DC voltages, 5v, 12v, and 24v. Just start probing the connectors of the power supply. 24v is needed for the backlights inverter board, 12v for sounds, 5v for logic board.

Dec 09, 2009 | Audiovox FPE3206 32 in. LCD Television

1 Answer

I had power blink off for a couple of seconds and then came back on. The Amana air conditioner RCC30A2E seem to be On but no cool air was blowing. I check breaker it was ok. I preceeded to check...


Check for fuses in the 24v wiring. Was anything running outside? The 24V X-former is located in the air handling unit. check for voltage on the air handler. if present, check output voltage at X-former. You should have 24V

Oct 14, 2009 | Heating & Cooling

1 Answer

Unit has sound, no vertical deflection. caps and output ic ok. have b+ to output. nothing at pin 2 of output ic.


If there's an audio,,it might be the defective Vertical IC...but check first if there's 24v-26vdc supply coming from FBT going to Vcc of Vertical IC.

If there's no Audio,and only white horizontal line in the screen,check the Vertical out of Jungle IC.

Good luck!

Oct 12, 2009 | Toshiba 27D46 27" TV

1 Answer

My irC-3200 cannon just show me this error E012 number on the display screen so i want to know what this code mean??Please help me


E012-0001 Error code At about 37 sec. after the power is turned ON, due to a drum ITB motor failure


Symptom About 37 sec. after the power is turned ON, E012-0001 is displayed due to a drum ITB motor failure. Cause Rotational failure of drum ITB motor Items to Check 1) In service mode level 1 COPIER > FUNCTION > PART-CHK > MTR, enter 1 and press the OK key.
2) In service mode level 1 COPIER > FUNCTION > PART-CHK > MTR-ON, press the OK key to check whether the motor is working normally.
3) Check whether 24V is supplied to J93 on the ITB drum motor. If yes, the ITB motor likely faulty.

4) If 24V is not supplied to the ITB drum motor, check whether 24V is output from fuse PCB J70-3 to the ITB drum motor.
Also, check whether 24V is output from the fuse PCB J71-1 to the microswitch PCB and also whether 24V is supplied to the fuse PCB J71-2 from the microswitch PCB.

5) If there is no problem between the fuse PCB J71-1, -2 and the microswitch PCB, the fuse PCB is likely faulty.
If 24V is output from the fuse PCB J71-1 to the microswitch PCB and not supplied to the fuse PCB J71-2, check the microswitch PCB. Field Remedy Replace the drum ITB motor.

FH6-1971 DC Brushless Motor

Sep 01, 2009 | Canon Office Equipment & Supplies

1 Answer

Polaroid FLM-323B nothing at all


Check and replace ALL high value electrolytic capacitors on the power supply board. The Polaroids have known issues with leaky caps in the power supply. It's best to just change them all to prevent future failures.

Nov 10, 2008 | Polaroid FLM-323B Television

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