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100 ohm resistor burnt out, suspect solenoid short circuit. Any idea where I can buy a spare?

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I am working on Precor 932i treadmill, not having any luck yet. I have found a load resistor ,100 ohm 50 watts burnt out. would this cause the treadmill not to power up?


Dear Sir:I am recommend you to exchange the board. If you do not have ENOUGH experience will be better to buy a new one, or call some tech profesional for to execute this delicate work.
The causes can be various, Maybe you have SHORT circuit in the motors, power supply, see the block diagram.
God bless you
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Sep 19, 2012 | Precor 932i Treadmill

3 Answers

Burnt smell blush picture


Maybe High Voltage Transformer, you can have a board replaced easier than buying a new set.

Dec 22, 2007 | Samsung PCN5425R 54" Rear Projection...

1 Answer

I need to know the value of the Resistor "R1" in


Let us use a bit of logic to resolve this... I have an Axiom but it would be a lot of screws to take out to get to the part... so let us think about this. The resistor value starts with a "1" and we know it is 5% tolerance (gold). we know the resistor burnt up with likely 5 volts on it... Value could be 1000 ohms, however the voltages present (12 volts max) would NOT have burned up a resistor of 1000 ohms. The USB area is mostly 5 volts and across 100 ohms is only a quarter watt... not enough to really burn up a resistor... First thing is to MEASURE that the resistor s open... in spite of being burned, it MAY still be OK... these resistors now usually either open or remain close to their value. The resistor ALSO may be a fusible resistor intended to act as a fuse... Is the resistor open or not? is it near a resistance with a "1" as the first digit? If it is not open I suspect it is not all of the problem. In that case, look for a burned circuit trace on the board. If it is open, then MEASURE the voltage across the resistor with the power applied. If you find 5 volts, then it MIGHT be a 10 ohm used to limit the USB current to 500ma. Get back to me with your findings... I have unraveled many of these things...

Jul 12, 2011 | Music

1 Answer

Need Bissel 1715 wiring schematic. Charging circuit has burnt resistor. Need to know resistor details.


Can not believe NO ONE could answer this.

The R1 resistor basically drops the 9V to around 5V for charging the battery pack. The resistor is a 10 ohm , 2 watt resistor. The other resistor is 220 ohm. This only limits the current to the LED.

The 10 ohm resistor burnt because the battery pack was left to sit too long without use and charging. So the cells shorted causing excessive current through the resistor when you attempted to charge the batteries.

After replacing the resistor, you will need to replace the battery pack before charging. Otherwise, you'll just burn the resistor again.

Sep 27, 2010 | Bissell 1715-G Spotlifter Bagless Handheld...

2 Answers

I have a Toshiba projection T.V, model number 43J7DM.It is dead


247 is .050 watt15K ohm
404 is 0,25Watt 1K ohm
420 is 0.5 watt 10K ohm
513 is 0.25watt 100 ohm

However if you dont understand them dont play around with them you may end up doing more damage than what you have now. If resistors blow then some other fault has caused excess power to fuse them and that takes knowledge of how to measure the current at each step. Some of these resistors are related to the power board. Getting circuit diagrams from toshiba is difficult Quite often there is a diagram inside the chassis of each model.

Please rate my help++++Thanks for using FIXYA


May 19, 2010 | Toshiba 55H70 55" Rear Projection...

1 Answer

I have a hitachi 43FDX15B RPTV It appears to have a convergence problem, I've read about replacing the stk IC's but which resistors need to be replaced and what are the values on the DP15k/08 Board?


This model uses two of the STK-392-120 CHIPS and here are most of the usual resistors to suspect or check:

Hitachi AT03411S RK43 RESISTOR Hitachi AT03608S RP22 RESISTOR Hitachi AT03195S RK46,RK54, RK62 RESISTOR, 1.8OHM 1W Hitachi AT03857M R815,R865 RESISTOR, 1/2W 100 OHM Hitachi AT03191S RK50 RESISTOR, 1W 1.2 OHM Hitachi AT03197S RK50 RESISTOR, 1W 2.2 OHM Hitachi AT03199S RK41 RESISTOR, 2.7 OHM 1W Hitachi AT03202S RK42 RESISTOR, 3.3OHM 1W Hitachi AT03204S RK58 RESISTOR, 3.9 OHM 1 WATTThe RK ones are all marked on top and bottom of circuit board---usually if one is bad you will be able to see it is discolored---all are very low value and should read open or good only.

This is a fairly easy set to do this on---the whole convergence board (right side from the back view) is held in with 3 screws and an assortment of plugs--3 plugs are identical (convergence yokes and you need to mark so you get each back in same place)

A row of black snap plugs on the left side and with the screws and other plugs removed the board will lift up and out of the set.

DON'T waste your money on one of the "kits" being sold on the net---you can buy a pair of the chips for about 12 dollars on Ebay and usually only one (if any) of the resistors will be bad---those kits sound like a good idea but at 50-80 you are buying things you will not likely need to repair the set.

Let me know if you have any questions and if this information helped you rate this solution as I do this here for free.

SD TECH


45c74e4.jpg

Dec 17, 2009 | Hitachi 43FDX15B 43" Rear Projection...

1 Answer

Mackie swa 1801 power amp R7 100 ohm resistor smokes when powered up..


You likely have other parts blown as well, but Q3 (MJE15033) AND/OR r8 (1 OHM/0.5 Watt) are blown. I suspect that Q3 has a base-collector short and you will find several of the output transistors are fried as well Q4, Q5, Q15, Q16. I suspect that the Zeners D14, D25 may be blown.

When restarting this, put a 100 Watt lampin series with teh 120 volt power to limit current and avoid destroying freshly repaired parts due to a few bad ones not found.

Aug 17, 2009 | Mackie SWA1801 Subwoofer

2 Answers

Need info


I made a couple videos about reading and testing resistors. Keep in mind, if you're reading a resistor while it's still in the circuit, it might not read the value that it says on the resistor because of the circuit it's in. While in circuit it can only read the value of the resistor or less. If it reads more ohms while in circuit, then the resistor is probably open. My meter reads OUCH when it's open and 0 when it's shorted.

Feb 26, 2009 | Toshiba 43H70 43" Rear Projection...

1 Answer

TV set shuts down


3.9 ohm 2W

They are parallel in circuit and measure around 2 ohms when ok. Check the fuse associated with that circuit. FD101S 3.5 A

easyab

Aug 23, 2008 | Samsung HCM4215W 42" Rear Projection...

1 Answer

Parallel connection of power mosfets with two of 5 smoking


The IRFZ46N are n channel high speed switches . They basicly drive the Mosfets. Sounds like you have some problem there my friend, and unless you paid alot for this amp. Its going to need probobly all the n channel switches as well as every mosfet + the bias resistors repalced. Before plugging in the amp jump out the fuse with a 100 watt light bulb.. If the bulb glows brightly when you apply power there is still a short in the unit and could be in the switching power supply section of the amp. If it glows bright and dims, The shorts are most likly gone. The bulb will minimize the amount of current the unit can draw and most of the time wont let the new parts blow out. Check out this service number and see if they can help you. Good Luck Main support number 978-823-0300

Jul 26, 2006 | Pyramid PB779X Car Audio Amplifier

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