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Power Supply transformer failed

The Philps product that I have is the MC-108/05. Inside there is a voltage dropping transformer that has burnt out. Do you have any idea about the output voltage. could it be 6 volts?

Posted by Fred Miers on

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ThaMp3Doctor

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2 x 5 Watts RMS Stereo
5 watts continuous RMS power output per channel, at 8
ohms, from 120Hz to 15kHz, with no more than 10%
Total Harmonic Distortion (THD).

Posted on Apr 08, 2008

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Sir, Is it possible to rewind the power supply transformer of Sony CMT-ED1 component?

Yes there are companies that rewind transformers.

Or

You can purchase or use any power supply as long as the voltages are okay. Sony are very well known for doing things differently.

Here is the service manual.

https://www.manualslib.com/manual/697827/Sony-Hcd-Ed1.html

..
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Will a 6 x 8 norlake freezer with cold pack unit above operate with 202 volts

The compressor will most likely not go on if the compressors capacitor does not get enough power to kick start the compressor motor. It sounds like one of the 120v lines is loose, burnt or corroded some where from the inside the panel to the connections inside the unit causing a voltage drop. If it is, you are looking at a fire hazard.
Oct 03, 2014 • Dryers
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Riso HC5500 S01-204 error

  • Code: 001 S96
  • Description:Power supply remote signal not connected The control signal cable for the ON/OFF control of the 24/38-VDC output is disconnected. The signal wire grounded inside the power supply unit has been pulled up by the IP PCB to detect the level.
  • Code: 003 S97
  • Description:38-VDC power supply voltage error A voltage drop is detected when a voltage drop is sensed by the IP PCB based on the signal resulting from dividing the 38-VDC resistance inside the power supply unit. The detection level is approximately 18 VDC. Voltage polling is conducted at 100-ms intervals by the IP-CPU. An error is detected when a voltage drop is sensed 10 times in succession (approx. 1 sec). No detection is performed when the interlock SW is open.
  • Code: 004 S97
  • Description:24-VDC power supply voltage error A voltage drop is detected when a voltage drop is sensed by the IP PCB based on the signal resulting from dividing the 24-VDC resistance inside the power supply unit. The detection level is approximately 11 VDC. Voltage polling is conducted at 100-ms intervals by the IP-CPU. An error is detected when a voltage drop is sensed 10 times in succession (approx. 1 sec). No detection is performed when the interlock SW is open.
  • Code: 006 S97
  • Description:3.3-VDC power supply voltage error A voltage drop is detected when a voltage drop is sensed in the 3.3-VDC power supply on the MIP side of the IP PCB. Voltage polling is conducted at 100-ms intervals by the IP-CPU. An error is detected when a voltage drop is sensed 10 times in succession (approx. 1 sec).

  • Code: 007 S97
  • Description:1.8-VDC power supply voltage error A voltage drop is detected when a voltage drop is sensed in the 1.8-VDC power supply on the MIP side of the IP PCB. Voltage polling is conducted at 100-ms intervals by the IP-CPU. An error is detected when a voltage drop is sensed 10 times in succession (approx. 1 sec).
  • Code: 008 S96
  • Description:Control panel not connected The absence of the control panel unit to be connected to the MC PCB is detected. Since this configuration lacks this panel, this error indication will not be issued under normal operating circumstances.
  • Code: 009 S96
  • Description:Print counter not connected The absence of a print counter is detected.
  • Code: 011 S96
  • Description:CIS PCB not connected The connection of the CIS PCB cannot be confirmed.
HP Printer Support Phone Number 1 850 610 1013 HP Support Assistant
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22" monitor screen went black and power button blinks from orange

More likely to have failed power supply (not feeding 12~18vdc to the inverter circuits), failed inverter circuits (shorted transistors, failed inverter transformers), failed back light assemblies (burnt wires). You will have to open it up and inspect the inside. Pleasen look through my pictures of failed monitors and components if yo decide to DIY repair.

http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague
http://www.badcaps.net
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Hello i have a Sony Vaio PCW-W2 that i brought to canada from uk. how do i switch voltage to 110?

u can find voltage converter connectors......try using that....u can ask for travel adapters....hope u find them
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I get spark then it quits but keeps feeding all terminals are tight all grounds cleaned and checked

Sounds like transformer has failed. Have you checked INSIDE the welder for loose / corroded terminals??

Also circuit board may have fault.

Check plud that plugs into power supply for loose / burnt connection.
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Amp MC-D80. No Indication of power on.Checked power supply board(no schematic). No + or - 12v. All other voltages seem ok. Any known common failure? Thanks Art

Simply follow the 12v supply back to where it starts, which should be where the transformer wires join the PC Board. If you don't have 12v AC there the transformer has gone. If you do, then follow it with your multimeter till it goes. That will lead you to the culprit.
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Dimension 3100 Won't POST, getting amber flashing amber light at front panel and on the mother board getting steady light near the cmos battery note under the light says cr3h1 re-seated cpu and cards,...

I concur with your diagnoses.

Weak power supply due to a weak, or failed, voltage power rail.

There are three main voltage power rails for your Dell Dimension 3100 power supply.

1.The 3.3 Volt rail
2.The 5 Volt rail
3.The 12 Volt rail

Newer computer power supply's are doing away with the 3.3 Volt rail.
Your power supply has,

16 Amps on the 3.3 Volt rail,
21 Amps on the 5 Volt rail, and
21 Amps on the 12 Volt rail.

These are the main power voltage rails.
Voltage times Amperage = Wattage.
You have a power supply, that is rated at a maximum output of 400 Watts.

1) ALL the lights use less than 1 Watt.
2) EACH fan uses 2 to 3 Watts
3) A typical processor uses 55 to 125 Watts.

(A typical Intel Pentium 4 HT processor, Model 640, (3.2GHz), uses a maximum of 84 Watts,

http://en.wikipedia.org/wiki/List_of_Intel_Pentium_4_microprocessors#Prescott_2M_.2890.C2.A0nm.29

With a weak, or failed voltage power rail you don't have enough power to turn on the processor.
No processor running there is nothing to run the operating system. (Windows XP is an example of an O/S)

The harddrive just sits there, and spins, or will spin a few times, and stop.

What causes this?
1) Cheap quality power supply, (SMPS), installed by computer manufacturer. Cheap components are used in the power supply. (Electrolytic Capacitors, gauge of wiring, rectifier bridge, and so on)

2) Inside of computer, and power supply hasn't been cleaned on a regular basis.
Causes havoc inside the computer.

The processor fan builds up with dust, dirt, hair, etc, and the cooling capacity drops tremendously. Eventually the processor turns off. (BIOS turns it off)
It's a Fail safe feature that is built-in, to keep the processor from burning up.

Before it get's to the stage of overheating, and turning off, it calls for more power from the power supply.
The power supply works overtime to keep up.

When the inside of a power supply, and it's cooling fan are clogged with the above mentioned gunk, the cooling capacity of the power supply also drops tremendously.

The heatsink's inside the power supply cannot get rid of the heat. The fins are clogged, and air cannot rush through them to disperse the heat.

When the blades of the fan, and it's center hub become clogged, the cooling capacity drops due to not enough air is passed.

Heat = Wasted Energy, and the power supply strains to keep up. Eventually components inside the power supply start to fail, or fail.
(Electrolytic Capacitors are usually the first to go. They are the weakest link)

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