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What looks like a resistor or capacitor was damaged after unit was cleaned and lubricated. the item in ? is a component with 2 wires and is located out side the motor casing. can you tell what this is and the specifications so I can replace it This is a floor unit.

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Hi!!

It is a diode and is used to protect the circuit from power surges, like a fuse. Make a drawing of the bands an their color and take it to Radio Shack or similar store, cost is no more than $1, when replacing it, make sure to do it in the same direccion.

Good Luck!! Don't forget to rate this post!!

Posted on Aug 26, 2010

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Posted on Jan 02, 2017

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How do I fix my onkyo tx-sr307


  • Check Fuses
  • Check for failed capacitor or resistor.
  • Check for open solder connection
The thermal cycling of these receivers can result in a failure of the solder joints around the components that get hot. The large capacitors if failing usually show signs of bulging or electrolyte leaking.

When the unit boots up out of standby the unit does a self check to confirm all power supplies are within determined limits. components such as resistors operate near failure limits. These parts are designed to fail similar to a fuse if the circuit is over loaded/heated.

Common problem is the required ventilation is restricted by covering the top etc preventing required air flow, overheats and a safety resistor fails.

Replace resistor with same type to retain saftey features.
Look for a burnt resistor. They are usually raised off of the PC board.

Hope this helps?
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Sep 25, 2016 | Onkyo TX-SR307 A/V Receiver

1 Answer

I am looking for a bmw e90 320i manual computer box / or someone the can repair a water damaged computer box


I know from experience most of the components are not serviceable, so it is best to get a used unit from Ebay or local wrecking yard that has BMW parts. You can open up some of these modules, look for obvious damage like a burnt capacitor or resistor, but the prom IC chips are near impossible to replace without damaging circuit board.
CeraCoat-NanoTech.com

Jan 12, 2015 | BMW Cars & Trucks

2 Answers

How do i discharge a capacitor?


Let it set overnight is the safest way, put a VOM meter on it (dc volts) to see any voltage is present. You could get a say, ten watt power resistor an place across the terminals to safely discharge the cap. A direct short can be dangerous, cause burns, spark weld the wire or screwdriver to the terminal. Good luck.

Jul 21, 2014 | Dometic Duo Therm RV Air Conditioner Hard...

1 Answer

Xerox 4150 workcenter says fuser module needs to warm up. This appears usually first thing in morning. I have to power off then on to stop this from showing on the screen. also, it wont print until after I...


1. Switch off the machine, then switch on the machine.
2. Enter dC330 code 10-100 to heat the fuser to 180 degrees. Enter codes 10-200 (centre
thermistor) and 10-210 (front thermistor) to verify the condition of the thermistors.
3. Enter code 10-300 to check power supply unit 2. If necessary, install a new power supply
unit 2, PL 1.10 Item 4.
4. Switch off the machine. Remove the fuser assembly. Check that the thermistors, PL 10.25
Item 9 are clean and in good contact with the fuser heat roller. Check the wiring to the
thermistors. Install new components as necessary, PL 10.25.
5. Check for continuity between the two pins on the fuser assembly connector, PL 10.25
Item 8.
NOTE: A cold fuser has a resistance of approximately 11.5 ohms (220V/240V) or 2 ohms
(110V).
6. Check that there is continuity through the fuser heater and across the over temperature
cut-out.
7. Check the wiring between the fuser connector, PL 4.15 Item 20 and CON3, CON8 and
CON9 on Power Supply Unit 2. If necessary, install a new fuser connector, PL 4.15 Item
20.
8. Check the wiring between CON4 on Power Supply Unit 2 and CN7 on the Main PWB.
9. Install new components as necessary:
• Fuser assembly, PL 10.25 Item 1.
• HVPS, PL 1.10 Item 2.
10. Perform the OF5 Main PWB Check RAP.
4250/4260 Checkout
NOTE: The main PWB has test points. The location of the test points is shown on the Main
PWB PJ location illustration.
Refer to Wiring Diagram 17, Wiring Diagram 18 and Wiring Diagram 21. Perform the following:
1. Switch off the machine, then switch on the machine.
2. Enter dC330 code 10-100 to heat the fuser to 180 degrees. Enter codes 10-200 (centre
thermistor) and 10-210 (front thermistor) to verify the condition of the thermistors.
3. Enter code 10-300 to check power supply unit 2. If necessary, install a new power supply
unit 2, PL 1.15 Item 4.
4. Switch off the machine. Remove the fuser assembly. Check that the thermistors, PL 10.28
Item 9 are clean and in good contact with the fuser heat roller. Check the wiring to the
thermistor assembly. Check the wiring to the NC thermistor, PL 10.28 Item 19. Install new
components as necessary, PL 10.28.
5. Check for continuity between the three pins on the fuser assembly connector, PL 10.28
Item 8.
NOTE: A cold fuser has a resistance of approximately 11.5 ohms (220V/240V) or 2 ohms
(110V).
6. Check that there is continuity through the fuser heat lamps and across the over temperature
cut-out. Install new components as necessary, PL 10.28.
7. Check the wiring between the fuser connector, PL 4.15 Item 20 and CN5 on the Main
PWB. If necessary, install a new fuser connector, PL 4.15 Item 20.
8. Check the wiring between CON1 on Power Supply Unit 2 and CN7 on the Main PWB.
9. Install new components as necessary:
• Fuser assembly, PL 10.28 Item 1.
• Power supply unit 2, PL 1.15 Item 4.
10. Perform the OF5 Main PWB Check RAP

May 10, 2012 | Xerox WorkCenter 4150 Black and White...

1 Answer

Where is the fuse located in the microwave?The model is a Whirlpool MH6700XV1 made in Sept 89. It is a wall unit over the oven microwave.


Hi and welcome to FixYa,

There are acutally 2 fuses in this unit. The thermal fuse is item 3 and the regular fuse is item 7 of this link: http://www.appliancepartspros.com/partsearch/model.aspx?model_id=238334

Both fuses are on the rear of the unit inside the back panel attached to the air guide (Item 5 above link)

Make sure the unit is powered off before changing any fuse. Most fuses fail due to a component failure. High Voltage Diode, Capacitor, Magnetron or an interlock switch. If you replace the fuse and hear a loud humming when you try to use it most likely the diode has failed. DO NOT do anything beyond the fuse without grounding the capacitor first. It will ruin your day if it is charged and you touch a wire terminal. Any testing is done at your own risk knowing the dangers of same.

Thanks for choosing FixYa,
Kelly

Sep 24, 2011 | Vacuums

1 Answer

I recently revisited my car after a few weeks out of my hands, and seconds after turning the key and the unit powering up, the sound of popping and shrapnel in the amp was heard and the smell of smoke...


What has probably happened is a short somewhere in the amplifier. Here are some possible scenarios:

1. When the new capacitors were installed, make sure that no solder shorted any pads on the circuit board to anywhere else.

2. There is probably a resistor upstream of the capacitors that has shorted but still appears to be fine. Look at the circuit board & follow the traces that connect to the 2 terminals of each capacitor and follow them to other components. Examine them very carefully. Pull on the wire terminals of upstream & downstream components to ensure they are solid. Check each side of the component with an ohm meter. If a zero resistance is given, or no (open) resistance is given the component could be in question. To properly check it out, one side of the resistor must be pulled up from the board, then check the resistance again. If out of spec, it would need replaced & then it would properly voltage limit the capacitors, keeping them from going up in smoke.

3. This can be a very tricky problem without a schematic. See if you can get your hands on one, it makes circuit tracing much much easier

Mar 17, 2011 | Kenwood KAC-9104D Car Audio Amplifier

1 Answer

I have a six year old Samsung HDTV that turns off while we are viewing. It is connected to a comcast cable box. The box appears to be functioning okay.


Your TV seems to turn off when it heats up.

Try to check for bad solder contacts on ANY component (wires, connectors, resistors, coils, etc) and resolder if any, also check connectors for dirty / oxydized contacts and clean them if necessary.

The components that tend to heat up are the ones most likely to have a bad solder contact. The circuit board around these will be of a darker colour.

These can be: power resistors, power diodes, power coils, power transistors, voltage regulators and other components located near to or connected to these.

Also check the electrolytic capacitors, if any are bulged or blown at the top, replace them.

It may as well be a problem elsewhere, a partially damaged or burnt out component that fails when it heats up, i just suggested a few simple things that you can check visually and i really hope you can find out what causes the trouble.

Regards

3rq8 (Triarcuate)

Sep 07, 2009 | Samsung TXN3245FP 32" TV

2 Answers

Light indicator is on


Try changing the battery, if it doesn't help, some possibilities are:

- dirty contacts or a broken wire on the footswitch

- a broken wire from the distortion output to the output plug

- a broken wire elsewhere in the unit (e.g. potentiometers or rotary controllers)

- a bad input / output level or other potentiometer or rotary controller

- a burnt out component (a bit unlikely, but possible, and it could be anything)

- a bad connector contact inside the unit

- a bad pin solder contact on ANY of the components inside the unit (wires, connectors, switches, jack plugs, resistors,variable resistors, trimmers, diodes, capacitors, transistors, ICs, etc.)

Broken wires / badly soldered pins need to be resoldered, but if there is damage to any of the components, they wil probably need to be replaced.

I hope you can find out what it is.

regards

3rq8 (Triarcuate)

Jul 26, 2009 | Boss Mt 2 Metal Zone Effects Pedal

1 Answer

VCR portion not working found Damaged Components


Ya rca needs to recall all rca drc8335[tape decks]
I unpluged power to deck [jumper p/s to deck]
use a other vhs deck pluged in avi port

Aug 14, 2008 | RCA DRC8335

1 Answer

Wiring


This is easy and hard. If only two wires connect to the switch, cleaning up the connectors and replacing damaged items should fix it. Don't do anything unless the unit is unplugged. Try this first: connect the two wires together and tape them up. Plug in the unit. If it starts, make your repairs. If not, unplug immediately. The switch fried for a reason. Most vacuums do not use electronic components...just a standard brush style motor. If the motor is bad, it may not be worth replacing it. Let me know what the test result is and we'll further.

Dec 07, 2007 | Electrolux EL5010A Bagged Upright Vacuum

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