Question about Aspire PSU |ATX-CW500WP4 500W RT (ATXCW500WP4) Power Supply

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System +5vdc is low (4.83) and is affecting our test system ops. Does this supply have a pot to adjust this?

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I'm sorry to say, the answer is no.The voltage is adjusted by a resister inline with the regulator. The only way to adjust it would be to
solder in a variable resistor of the appropriate value.

Posted on Oct 16, 2013

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1 Answer

Desktop will not start no response to power on button


1) you must open the desktop and look for any connector loose
2) test the power cord for open or replace
2a) Test the power button for open or defective
3) see if the switch behind is 110 or 220vca adjust it
4) Test the power supply and see if the fan are working, test the output for +5VDC, otherwise is faulty.
God bless you

Jun 19, 2012 | HP Pavilion m7650n (RF254AA) PC Desktop

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Belt will not turn


1) Please go to under wood and put your work your software calibration under the hood and follow the step, for diagnostic and fix it.

2) Adjust the reed switch by 1/8"

3) tight the connector from display board vs lower board (main motor board(

4) Measure 115 Vac for input to main motor board.

5) Measure for +5Vdc for output for main motor board, to input to display board.

6) Measure 115 Vca for main motor without load.

7) Test the circuit breaker or fuse.

8) Test the power supply coming from transformer for +5vdc.

sincerely. Merry Christmas.

ernesto cuadra
managua, nicaragua.

Dec 25, 2011 | Reebok Exercise & Fitness

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Tread mill


1) yOU must use the calibration software , use your owner manual or go under the hood for to see the explanation and step for diagnosotic and fix it

2) Test the lmain motor controlller board for input 115vca +5vdc output to the circuit for inclintATION MOTOR.

3) Test the motor from incliantion motor tight the connector 4) Adjust the pot in the motor 5) THE gear slip can be adjust and repair.
Nos see my block diagiram that I did for better undertanding and easy diagnostic,. See how the main motor board has the 90% functions of the any treadmills. sincerely. Merry Christmas.

erensto cuadra
managua, nicaragua.
12_24_2011_6_34_59_pm.gif

Dec 23, 2011 | Nordic Track C2255 Console (treadmill)

1 Answer

NO DISPLAY ON TREADMIL


1) please exchange the batteries for new ones.
2)adjust the sensor reed switch.attache the diagram
3) Tight the flexible cable from keypanel vs display board.4)Tight the connector from display board vs lower board. 5) Test+5Vdc coming from power supply , see if there are some componets,resistor, capacitor, diode or transistor, burn or some bad solder, resolder.
6)After you measure the +5vdc coming from power supply see if coming to motor controller board and then display board.

Attached the block diagram for better understanding and diagnostic foryourself.
sincerely. Merry Christmas.

ernesto cuadra
managua, nicaragua.
12_22_2011_9_27_41_pm.gif12_22_2011_9_28_06_pm.gif

Dec 22, 2011 | Proform Exercise & Fitness

1 Answer

I have a treadmill york barbell max series 2, keeps displaying err in the speed window and wont start up at all, sometimes it will start working and then sometimes it wont and err comes up again


1) You have out of adjustment the sensor reed switch,see the schematic.by 1/8" or 3mms aprox.
2) With this you will fix it.
3) However if the problem persist, you must check if the display board is o.k or faulty.
4) Test the 5VDC for IC( Including EPROM, ROM,etc) Tight flexible cable for Display Board vs Lower Board(Main Controller Board).
5) Since the Lower Board send the Power Supply coming from the Transforme you must Test it, and then power supply for +5Vdc.
6) You must have Strong Conclusion if the problem is Upper Board or Lower Board(Main Controller Board) .
Finally The Lower Board Control 90% functions of the Treadmills.

11_23_2011_4_17_19_pm.gif

Nov 23, 2011 | York Barbell Home Use Fold-Up Treadmill

1 Answer

I have a fitnex t60 treadmill it says prg bad what does that mean and how can i fix it


You have probably mechanical-electronic problem.

1) Adjust the sensor Reed switch. see the diagram 1/8"-3mms
2) Tight the flexible cable or connector between the keypanel and PDisplay board, and clean for dust.
3) Finally you must test the power supply for +5Vdc for I.Circuit(Including EPROM, ROM, etc).
4) The power supply is coming from Lower Board calle PController Motor, the supply the +5vdc, from the power supply coming from the Transformer controller.
Finally you must concluded if the problem is the Display Board or Main Motor Board. Sincerely.
11_21_2011_5_54_15_pm.gif

Nov 21, 2011 | Fitnex T60 Light Commercial Treadmill

1 Answer

Virea tv has just stopped working. Whilst watching it has switched itself off and there is no standby light or anything. All power cords and supplies are fine but it won't switch back on.


Good day!Follow this D.I.Y procedures to find the exact problem of your TV.
  1. Remove the back cover of your TV.
  2. After that,find the power supply board.
  3. If you already found the power supply,plug-in your TV and power it ON.Check the input voltage of it,using multimeter (AC range).If the power supply have no input voltage the problem could be the power cord.Replace it.
  4. If the power supply have the input voltage,try to test the output voltage if have 5vdc for the system and logic supply,12vdc for the sounds and 24vdc for the back-light inverter.Use your multimeter tester (DC range) to test that.
  5. If the power supply have a voltage outputs such as 5vdc,12vdc and 24vdc and the problem is still there.The problem could be the main board.Replace it with the same type and model # because the main board is no very difficult to fix and its very sensitive.
  6. If the power supply have no output voltage or the voltage is too low,just ignore the step # 5 because the problem is not on the main board,its on the power supply board.
Check the following to fix the power supply board:
  • Fuse: Check the fuse if it is busted or blown.
  • Power transistor (regulator): Check the regulator if it is shorted or leak.
  • Resistor: Check the resistors specially the one that have a low resistance that near the power regulator.
  • Capacitor: Also check the capacitors if it is leak or bulging top.
NOTE: If you found any defective parts or components that mention above replace it with the same value,type and ratings.

I hope this solution will be helpful.Thank you and good luck.

May 29, 2011 | Televison & Video

1 Answer

I plug in my tv with a 125v cable my tv and nothing happens.


Good day!Follow this D.I.Y procedures to find the exact problem of your TV.
  1. Remove the back cover of your TV.
  2. After that,find the power supply board.
  3. If you already found the power supply,plug-in your TV and power it ON.Check the input voltage of it,using multimeter (AC range).If the power supply have no input voltage the problem could be the power cord.Replace it.
  4. If the power supply have the input voltage,try to test the output voltage if have 5vdc for the system and logic supply,12vdc for the sounds and 24vdc for the back-light inverter.Use your multimeter tester (DC range) to test that.
  5. If the power supply have a voltage outputs such as 5vdc,12vdc and 24vdc and the problem is still there.The problem could be the main board.Replace it with the same type and model # because the main board is no very difficult to fix and its very sensitive.
  6. If the power supply have no output voltage or the voltage is too low,just ignore the step # 5 because the problem is not on the main board,its on the power supply board.
Check the following to fix the power supply board:
  • Fuse: Check the fuse if it is busted or blown.
  • Power transistor (regulator): Check the regulator if it is shorted or leak.
  • Resistor: Check the resistors specially the one that have a low resistance that near the power regulator.
  • Capacitor: Also check the capacitors if it is leak or bulging top.
NOTE: If you found any defective parts or components that mention above replace it with the same value,type and ratings.

I hope this solution will be helpful.Thank you and good luck.

May 29, 2011 | Polaroid TLA-04011C 40 in. LCD TV

1 Answer

HAVE A PHILIPS 15" WITHOUT


Good day!

Actually if your TV have problem like that it is not on the inverter.That problem could be on the power supply or the system board.

Follow this D.I.Y procedures to find the exact problem of your TV.
  1. Remove the back cover of your TV.
  2. After that,find the power supply board.
  3. If you already found the power supply,plug-in your TV and power it ON.Check the input voltage of it,using multimeter (AC range).If the power supply have no input voltage the problem could be the power cord.Replace it.
  4. If the power supply have the input voltage,try to test the output voltage if have 5vdc for the system and logic supply,12vdc for the sounds and 24vdc for the back-light inverter.Use your multimeter tester (DC range) to test that.
  5. If the power supply have a voltage outputs such as 5vdc,12vdc and 24vdc and the problem is still there.The problem could be the main board.Replace it with the same type and model # because the main board is no very difficult to fix and its very sensitive.
  6. If the power supply have no output voltage or the voltage is too low,just ignore the step # 5 because the problem is not on the main board,its on the power supply board.
Check the following to fix the power supply board:
  • Fuse: Check the fuse if it is busted or blown.
  • Power transistor (regulator): Check the regulator if it is shorted or leak.
  • Resistor: Check the resistors specially the one that have a low resistance that near the power regulator.
  • Capacitor: Also check the capacitors if it is leak or bulging top.
NOTE: If you found any defective parts or components that mention above replace it with the same value,type and ratings.

I hope this solution will be helpful.Thank you and good luck.

Apr 28, 2011 | Televison & Video

1 Answer

Missing -5VDC and -12VDC


Could be.Some do some don't.Some have a circuit breaker. Take the cover off and check. Be careful though as some parts in the power supply can hold a pretty significant charge for quite a while even after the power supply is turned off.If there is no fuse or if you change the fuse and it blows again I would say a new power supply is in order. Good luck.

Dec 14, 2008 | Aspire (ATX-AS500W) (atx-as500w 12v) Power...

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