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Hi, I have the exact same problem as this person: http://www.fixya.com/support/t1574604-failed_power_transformer The power transformer has failed: Maker- Cambridge audio 'A' series integrated amplifier Model A1 V3.0 Transformer: Tx no. NC-V4282TA1 3200-428201-400 Do you know where I could find a replacement part? Many Thanks, James

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
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Posted on Jan 02, 2017

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SOURCE: replacement part for an amplifier Onkyo model R-30

Try Onkyo technical services or parts department

Posted on Apr 27, 2008

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marsrover
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SOURCE: No sound from speakers of

start with reset(power off and then power on)-if you see power light on-check your input source(mic or dvd or other)-check your speaker cables for short or open circuit after that check speaker itself-if you confirm that all outside amp is ok.and still not working you will have a problem in amp internal circuit.(if you have speakers button in your amp do not forget to press it.)

Posted on Jul 23, 2008

hokuwho
  • 306 Answers

SOURCE: buzz in amplifier power transformer.

All transformers buzz though you cannot hear it normally. The big transformers on power lines like to buzz for all to hear. When a transformer in a stereo amp gets old and deteriorates or gets hot and  expands the coils, melts the coil varnish and epoxy coatings then rattles at 60 times per second.    You can ignore it or change the transformer. There are too many layers of windings to try to stick anything in there.  Disconnecting a transformer results in inductive kickback -that's not money. It's a big, whopping electrical gotcha! Be careful! Good luck, Steve Medley

Posted on Nov 09, 2008

  • 85 Answers

SOURCE: i have a cambridge audio

Hi there get a multimeter place across mains input on transformer,FIRSTLY DISCONNECT AMP FROM MAINS,set your meter to contiuity ,if good you should get a low ohms reading (resistance),then check the secondaries (output of transformer) either 3 wires or four going into amp board..if readings acroos all wires are low ohms then transformer is good if one is open ,transformer has had it ...hope this helps

Posted on Jan 08, 2009

  • 1 Answer

SOURCE: My Behringer gx212 ultratwin amplifier

Hi I just recently purchased a Behringer GMX 212 and had similar volume dropout on the clean channel only Channel 2 works better and has more punch in clean mode.I went to the shop where I purchased it with a 7 day warranty from some indian dude here in Nadi Fiji, and there was another GMX 212on the floor so I decided to try it out. This was a new amp. I plugged into the clean channel and turned it up full volume on guitar and amp adn heard the volume drop of in the amp in almost a curve and then the whole amp just cut out. We unplugged and waited, turned the amp off, and then on and stil no sound. We then tried the guitar and cord in another amp. The other amp was fine. Can you solve this problem.......my gut feeling is this happens a lot to Behringer amps.

Posted on Sep 20, 2011

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My house was struck by lightning most of all my computers and tv's and phones are no working and my ac is not coming on at all. What happen to my AC unit


Hi and welcome to FixYa, I am Kelly.

The main Preinted circuit board (PCB) most likely has had a failure of the small PCB transformer. This is the most susceptable component (PCB transformer) in the Air Conditioner. Within the last 60 days I have personally experienced the exact same symtom. I replaced the PCB transformer and 1 diode on the main PCB of the air-conditioner and my AC unit is working fine. Unless you can find a source for the transformer your only option is to replace the PCB (Board).

Finding the exact transrformer for the PCB can take a very long time. It iwll look similar to this one: http://www.machsources.com/productimages/9913/pcb-mounting-transformer.jpg

If you have home owners insurance ALL STATE and State Farm often cover this type of damage. It is worth the time to find out if you are a home owner.

Thanks for choosing FixYa,
Kelly

Sep 13, 2011 | Frigidaire FAC085M7A Air Conditioner

2 Answers

Voltage stabilizers required for 32 inch LCD tv


Please clarify by what you mean "voltage stabilizers".
Do you mean the power supply module?
Try EBAY, or www.shopjimmy.com

Basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Parts: www.interliquidparts.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

Aug 19, 2011 | Sony 32 KDL32BX320 32 LCD TV

2 Answers

The unit will not show a picture. the power lamp flashes and all buttons are unresponsive, including the power button... I have unplugged all cables, including the power cable, then allowed the unit to...


You may have dying power supply problem due to bad DC filter caps, which is is very common problem in ALL LCD monitors. You need to open it up and do some in-depth troubleshooting.
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed monitors to get some ideas what to look for: http://s807.photobucket.com/albums/yy352/budm/
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

Jun 09, 2011 | Samsung SyncMaster 2220WM 22" LCD Monitor

1 Answer

Hi, the power button on my monitor keeps flashing.Meanwhile, the screen is blank.Can you please help me solve this problem?


If you are going to DIY and already try the monitor with another PC, and have proper tools and know safety precaution then please read on:
Service manual: www.elektrotanya.com

Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed LG monitors to get some ideas what to look for: http://s807.photobucket.com/albums/yy352/budm/
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

May 23, 2011 | LG 22" FLATRON LCD Monitor

1 Answer

The power light flashes off, yellow, green. Pressing the power button (or any other) doesn't do anything.


It does the same with another PC? VGA cable OK?
Otherwise look for bad DC filter caps with domed tops, check the MOSFET, Transformer, voltages.
http://s807.photobucket.com/albums/yy352/budm/ACER%20AL1916W%20Abd/

If you are going to DIY and already try the monitor with another PC, and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed ACER monitors to get some ideas what to look for: http://s807.photobucket.com/albums/yy352/budm/
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
Please leave rating if it helps.

Feb 18, 2011 | Acer AL1916W 19" LCD Monitor

1 Answer

Hello,My Maytag MFD2561HES is not producing any cold anywhere.I took the back panel off the inside of the freezer and the evaporaterfan is working. I have no compressor noise or noticable function.What do...


Hi Jerry and welcome to FixYa, I am Kelly

There are several things that can cause your apparently deceased refrigerator.

DO THIS FIRST
Inspect the Compressor PTC relay and thermal overload. Items 4 and 8 this link: http://www.appliancepartspros.com/partsearch/model.aspx?model_id=5174254&diagram_id=28599118#d28599118
It is located under the plastic cover on the side of the compressor. If this component has burned white wire on it or it failed internally you will not have power to the control board or the keypad.

Wiring diagram: (this will open in a new window)
http://www.appliancepartspros.com/partsearch/frame_diagram.aspx?diagram_id=28599134&pkw_=basket&model_id=5174254&NewWindow=1

Next check the control board located in the back of the unit.
See this diagram item 21:
http://www.appliancepartspros.com/partsearch/model.aspx?model_id=5174254&diagram_id=28599117#d28599117
Inspect the board for any sign of over-heating, hot spots, corrosion, Capacitors that are swollen on the end, the transformer for any signs of failure, or loose connectors (3 ea)
If you see any of the desribed symptoms most likely the board has failed.

Close up view of the board can be seen here:
http://www.appliancepartspros.com/part_details.aspx?part_id=4434691

Most often the transformers fail on these boards as a result of another on the board component failure.
Since your keypad and display appear non-functional this board is the most likely failure.

Before you give up on this board inspect the keypad area and connectors for any signs of failure.
Item 12 this link:
http://www.appliancepartspros.com/partsearch/model.aspx?model_id=5174254&diagram_id=28599119#d28599119

Keypad detailed view:
http://www.appliancepartspros.com/part_details.aspx?part_id=4291445

Make sure the ribbon connector is properly seated to the connector of the electrical control item 5 of this link: http://www.appliancepartspros.com/partsearch/model.aspx?model_id=5174254&diagram_id=28599119#d28599119
The electrical control usually does not fail unless it was somehow cracked from an external force.

Power form the main control in the back of the unit is what provides power to the electrical control and keypad.

That is pretty much it. With out being there with a meter in hand and inspecting it first hand it is difficult to say exactly what componenet has failed. The steps above however should help you identify the failure.

Thanks for choosing FixYa,
Kelly


Jan 31, 2011 | Maytag MFD2561HE Stainless Steel Bottom...

1 Answer

Will not come on. Purchased new power cord and the new cord works on another monitor exactly the same. It is not the cord. The cord seems a little loose when it is plugged in. There is no function at all...


You need to check the solder joints on the circuit board where the AC cord is plugged into, also need to check for bad caps with domed tops.
If you are going to DIY and already try the monitor with another PC, and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed monitors to get some ideas what to look for: http://s807.photobucket.com/albums/yy352/budm/
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
Please leave rating if it helps.

Jan 25, 2011 | Star Logic 17" LCD Monitor

1 Answer

Princeton vl1918 monitor blinks repeatedly on & off, power light stays on; not a power issue


The 5vdc for the logic is probably OK (taht is where the power LED gets the power from)
It is either the power issue in the 16~18vdc power supply due to bad caps with domed tops for the inverter circuits, or bad components (transistors, transformer, etc) in the inverter circuits.
See my pictures here: http://s807.photobucket.com/albums/yy352/budm/Princeton%20VL1918W/
Make sure to replace them in a set.
If you are going to DIY and already try the monitor with another PC, and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed PRINCETON monitors to get some ideas what to look for: http://s807.photobucket.com/albums/yy352/budm/
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
Please leave rating if it helps.

Jan 21, 2011 | Princeton Digital Computers & Internet

1 Answer

Hi i have a 22"


Model number?
If you are going to DIY and already try the monitor with another PC, and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed SAMSUNG monitors to get some ideas what to look for: http://s807.photobucket.com/albums/yy352/budm/
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
Please leave rating if it helps.

Jan 17, 2011 | Samsung Computers & Internet

1 Answer

Hi, when i start my computer,my dell 1703fps monitor starts for few seconds showing the winXP starting band,and then go black ,but the starting button stay green not orange


Check for bad caps with leaking/bulging tops first in the power supply/inverter board, http://www.lcdrepair.us/1703fpt-1901fp-inverter-power.html

Worst cas will be bad lamp assemblies.
If you are going to DIY and already try the monitor with another PC, and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed DELL monitors to get some ideas what to look for: http://s807.photobucket.com/albums/yy352/budm/
Post back what you see inside so we can guide you further and it will help out other people in the future also.

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
Replacement board: http://www.lcdrepair.us

Jan 04, 2011 | Dell UltraSharp 1703FP 17" Flat Panel LCD...

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