Resistor ID on stove igniter board 9758080

[Stormsorter]

I'm trying to find what the unmarked green resistor at R1 should be. R2 on the left side is 51ohm but that obviously doesn't mean R1 is.

I'm iffy about trying to repair the burnt trace with wire but the friend that it belongs to insists that I try. I would also like to confirm that the 2μ7 k on orange capacitor means 2.7μf as it also needs replaced. He believes that a mouse urinated on the board and caused the short that took it out.

I'm no technician of any kind, but apparently since I can solder and play around with LED's my friend thinks I can fix it. Soldering is easy, finding whats needs replaced is easier said then done, especially when you have no training of any kind.

 

[davenn]

Hi there
welcome to the forums

have you actually tried to measure it with a multi-meter in the resistance range ?

lift one end and try, altho the resistor has got hot, it may not have failed

cheers
Dave

 

[Stormsorter]

Pretty sure it's toast, no continuity. I'll unsolder one leg and test again when I get my new multimeter in a day or two. Hopefully every function works properly on this one, I had to send the first one back. It wouldn't read DC voltage and capacitance never zeroed out but seemed to read ok. My $5 Menards special that it was suppose to replace stopped reading ohms in the 100's and can't read capacitance.

Now that I think about it I'm probably sol unless someone that has a stove with the same board reads this thread and is kind enough to take it out and test.

 

[Stormsorter]

Incase anyone is interested I found a list of model number for all stoves that use this board. The list is so long I will use the spoiler tag help keep the thread uncluttered. The board I'm dealing with is 9758080 Rev. A.

I did find a refurb for $65 so he might go for that.
But until then check your stove, then check the list to help me, help a friend.

Spoiler: Long list of model numbers

FGS325RQ0

FGS325RQ1

FGS325RQ2

FGS326RD0

FGS326RD1

FGS326RD2

FGS326RD3

GFG461LVB0

GFG461LVB1

GFG461LVB2

GFG461LVQ0

GFG461LVQ1

GFG461LVQ2

GFG461LVS0

GFG461LVS1

GFG461LVS2

GFG461LVT0

GFG461LVT1

GFG461LVT2

GFG464LVB0

GFG464LVB1

GFG464LVB2

GFG464LVQ0

GFG464LVQ1

GFG464LVS0

GFG464LVS1

GFG464LVS2

GFG471LVB0

GFG471LVB1

GFG471LVB2

GFG471LVQ0

GFG471LVQ1

GFG471LVQ2

GFG471LVS0

GFG471LVS1

GFG471LVS2

GS395LEHS0

GS440LEMB3

GS440LEMB4

GS440LEMB5

GS440LEMQ3

GS440LEMQ4

GS440LEMQ5

GS440LEMT3

GS440LEMT4

GS440LEMT5

GS445LEMS2

GS445LEMS3

GS445LEMS4

GS445LEMS5

GS470LEMB1

GS470LEMB2

GS470LEMB3

GS470LEMB4

GS470LEMQ1

GS470LEMQ2

GS470LEMQ3

GS470LEMQ4

GS470LEMT1

GS470LEMT2

GS470LEMT3

GS475LEMS2

GS475LEMS3

GS475LEMS4

GS563LXSB0

GS563LXSB1

GS563LXSQ0

GS563LXSQ1

GS563LXSS0

GS563LXSS1

GS563LXST0

GS563LXST1

GS773LXSB0

GS773LXSQ0

GS773LXSS0

GW395LEPB00

GW395LEPB01

GW395LEPB02

GW395LEPB03

GW395LEPB04

GW395LEPQ00

GW395LEPQ01

GW395LEPQ02

GW395LEPQ03

GW395LEPQ04

GW395LEPS00

GW395LEPS01

GW395LEPS02

GW395LEPS03

GW395LEPS04

GW395LEPT00

GW395LEPT01

GW395LEPT02

GW395LEPT03

GW395LEPT04

IGS325RQ0

IGS325RQ1

IGS325RQ2

IGS326RD0

IGS326RD1

IGS326RD2

IGS365RS0

IGS365RS1

IGS365RS2

IGS385RS0

IGS385RS1

IGS385RS2

IGS385RS3

KGRA806PBL00

KGRA806PBL01

KGRA806PBL02

KGRA806PBT00

KGRA806PBT01

KGRA806PBT02

KGRA806PSS00

KGRA806PSS01

KGRA806PSS02

KGRA806PWH00

KGRA806PWH01

KGRA806PWH02

KGRI801PBL00

KGRI801PBL01

KGRI801PBS00

KGRI801PBS01

KGRI801PWH00

KGRI801PWH01

KGRK806PBL00

KGRK806PBL01

KGRK806PBL02

KGRK806PBT00

KGRK806PBT01

KGRK806PBT02

KGRK806PSS00

KGRK806PSS01

KGRK806PSS02

KGRK806PWH00

KGRK806PWH01

KGRK806PWH02

KGRS807SBL00

KGRS807SBL01

KGRS807SBL02

KGRS807SBT00

KGRS807SBT01

KGRS807SSS00

KGRS807SSS01

KGRS807SSS02

KGRS807SSS03

KGRS807SWH00

KGRS807SWH01

KGRS807SWH02

KGRS807XSP00

KGRS807XSP01

KGSA906PBL00

KGSA906PBL01

KGSA906PBL02

KGSA906PBT00

KGSA906PBT01

KGSA906PBT02

KGSA906PSS00

KGSA906PSS01

KGSA906PSS02

KGSA906PWH00

KGSA906PWH01

KGSA906PWH02

KGSI901PBL00

KGSI901PBL01

KGSI901PBL02

KGSI901PBS00

KGSI901PBS01

KGSI901PBS02

KGSI901PSS00

KGSI901PWH00

KGSI901PWH01

KGSI901PWH02

KGSK901SBL00

KGSK901SBL01

KGSK901SBL02

KGSK901SSS00

KGSK901SSS01

KGSK901SSS02

KGSK901SSS03

KGSK901SWH00

KGSK901SWH01

KGSK901SWH02

KGSS907SBL00

KGSS907SBL01

KGSS907SBL02

KGSS907SBL03

KGSS907SBT00

KGSS907SBT01

KGSS907SSS00

KGSS907SSS01

KGSS907SSS02

KGSS907SSS03

KGSS907SWH00

KGSS907SWH01

KGSS907SWH02

KGSS907SWH03

KGSS907XSP00

KGSS907XSP01

SF196LEMB1

SF196LEMQ1

SF196LEMT0

SF196LEMT1

SF196LEPB0

SF196LEPB1

SF196LEPB2

SF196LEPB3

SF196LEPQ0

SF196LEPQ1

SF196LEPQ2

SF196LEPQ3

SF196LEPT0

SF196LEPT1

SF196LEPT2

SF196LEPT3

SF262LXSB0

SF262LXSB1

SF262LXSQ0

SF262LXSQ1

SF262LXST0

SF262LXST1

SF262LXSW0

SF262LXSW1

SF265LXTB0

SF265LXTB1

SF265LXTB2

SF265LXTQ0

SF265LXTQ1

SF265LXTQ2

SF265LXTS0

SF265LXTS1

SF265LXTS2

SF265LXTT0

SF265LXTT1

SF265LXTT2

SF272LXTD0

SF272LXTD1

SF272LXTD2

SF362LXSB0

SF362LXSB1

SF362LXSQ0

SF362LXSQ1

SF362LXSS0

SF362LXSS1

SF362LXST0

SF362LXST1

SF362LXSY0

SF362LXSY1

SF362LXTB0

SF362LXTB1

SF362LXTQ0

SF362LXTQ1

SF362LXTS0

SF362LXTS1

SF362LXTT0

SF362LXTT1

SF362LXTY0

SF362LXTY1

SF367LEMB1

SF367LEMQ1

SF367LEMT1

SF367LEMW1

SF367LSXQ0

SF367LSXQ1

SF367LXSB0

SF367LXSB1

SF367LXSQ0

SF367LXSQ1

SF367LXSS0

SF367LXSS1

SF367LXSY0

SF367LXSY1

SF368LEPB0

SF368LEPB1

SF368LEPB2

SF368LEPB3

SF368LEPQ0

SF368LEPQ1

SF368LEPQ2

SF368LEPQ3

SF368LEPS0

SF368LEPS1

SF368LEPS2

SF368LEPS3

SF368LEPT0

SF368LEPT1

SF368LEPT2

SF368LEPT3

SF368LEPW

SF368LEPW0

SF368LEPW1

SF368LEPW2

SF368LEPW3

SF369LEMQ1

SF369LEMT1

SF369LEPB1

SF369LEPQ0

SF369LEPQ1

SF369LEPQ2

SF369LEPQ3

SF369LEPS1

SF369LEPS2

SF369LEPS3

SF369LEPT0

SF369LEPT1

SF369LEPT2

SF369LEPT3

SF377PEGQ0

SF378LEPB0

SF378LEPB1

SF378LEPB2

SF378LEPB3

SF378LEPQ0

SF378LEPQ1

SF378LEPQ2

SF378LEPQ3

SF378LEPS0

SF378LEPS1

SF378LEPS2

SF378LEPS3

SF378LEPT0

SF378LEPT1

SF378LEPT2

SF379LEMS1

SF380LEMQ1

SF380LEMT1

SF380LEPB0

SF380LEPB2

SF380LEPB3

SF380LEPQ0

SF380LEPQ2

SF380LEPQ3

SF380LEPS0

SF380LEPS2

SF380LEPS3

SF380LEPT0

SF380LEPT2

SF380LEPT3

SF462LXSB0

SF462LXSB1

SF462LXSQ0

SF462LXSQ1

SF462LXSS0

SF462LXSS1

SF462LXST0

SF462LXST1

TGS325MB5

TGS325MB6

TGS325MQ1

TGS325MQ2

TGS325MQ3

TGS325MQ4

TGS325MQ5

TGS325MQ6

TGS325MT1

TGS325MT2

TGS325MT3

TGS325MT5

TGS325MT6

TGS325VB0

TGS325VB1

TGS325VB2

TGS325VQ0

TGS325VQ1

TGS325VQ2

TGS325VT0

TGS325VT1

TGS325VT2

TGS326MS1

TGS326MS2

TGS326RD0

TGS326RD1

TGS326RD2

TGS326TD0

TGS326TD1

TGS326VD0

TGS326VD1

TGS326VD2

WFG361LVB0

WFG361LVB1

WFG361LVB2

WFG361LVD0

WFG361LVD1

WFG361LVD2

WFG361LVQ0

WFG361LVQ1

WFG361LVQ2

WFG361LVS0

WFG361LVS1

WFG361LVS2

WFG361LVT0

WFG361LVT1

WFG361LVT2

WFG366LVB0

WFG366LVQ0

WFG366LVS0

WFG366LVT0

WFG371LVB0

WFG371LVB1

WFG371LVB2

WFG371LVD0

WFG371LVD1

WFG371LVQ0

WFG371LVQ1

WFG371LVQ2

WFG371LVS0

WFG371LVS1

WFG371LVS2

WFG374LVB0

WFG374LVB1

WFG374LVB2

WFG374LVB3

WFG374LVD0

WFG374LVD1

WFG374LVQ0

WFG374LVQ1

WFG374LVQ2

WFG374LVQ3

WFG374LVS0

WFG374LVS1

WFG374LVS2

WFG374LVS3

WFG381LVB0

WFG381LVB1

WFG381LVB2

WFG381LVQ0

WFG381LVQ1

WFG381LVQ2

WFG381LVS0

WFG381LVS1

WFG381LVS2

 

[shrtrnd]

It seems obvious, but because so many manufacturers use this board, did you try to Google a schematic for this board part number?
If a schematic is out there, you can eliminate a lot of guess-work.

 

[pyromaniac4382]

Hello,

In many revisions of this board I see R1 and R2 as identical. I am going to say your best bet is to go with a 51R. Those look like some beefy resistors.

I am sure that this boards is identical. At some point they moved to a different resistor material without the band indication. See picture below. Not sure if you can make out the resistors bands.

http://www.rcappliancepartsimages.com/dbImages/00002863/00861461.jpg



This one seems to be in the same realm, but you can clearly see the resistor value,

 

[Stormsorter]

I did search for a schematic with no luck.

Thanks for the pictures. As always I overlook the simplest solutions.

Pick one tells me R1 and R2 are the same but the bands look like brown or red, gray, green or black, which is way off going by my 51 and pic two's 47. I'll lift a leg and retest R2 when my new multimeter gets here tomorrow.

After digging around and comparing sizes I would guess its about a 2-2.25 watt. Mine measured about 12mm x 4mm.

 

[pyromaniac4382]

Well not quite. It isn't an order of magnitude off if it was brown grey black which is 18 Ohms. Plus the date code on the first picture is 2002 so there were probably many revisions of this board after this as parts became cheaper. I have a feeling with something this massively produced that there was a range of resistance that would satisfy the constraints. The reoccurring theme however between all of the pictures is that R1 and R2 are identical. I would not be surprised if you measure R1 around 51Ohms since you pointed out before R2 has 51R printed on it. The resistors used were probably whatever was cheapest during that revision of the board during that time of the year with some set of constraints to be honest.

 

[Stormsorter]

Thanks for the info. Both are unmarked, R1 is toast, no continuity. R2 measured 51ohms but that was without lifting a leg, which I would probably never have thought of if davenn hadn't mentioned it in the first reply. The board I'm working on has Rev. A on the sticker.

 

[Stormsorter]

The replacement meter seems to work ok so far. I removed and retested every component on the burnt trace and only the unmarked resistor is bad. Even the 2.7uf cap tested ok once removed from the board.

Now I'm just sitting here debating on ordering a pair of 47ohm 2w that I found on ebay, using a pair of 33ohm 3w than I pulled from some junk or, digging around more to find or buy the original 51ohm 2w.

I'm also debating on what to repair the burnt trace with. Stranded copper or should I try to find a solid strand close to the volume of the trace?

 

[pyromaniac4382]

I would go with whatever R2 Measures at on the resistor setting with a leg lifted since with little information I can only assume that R1 and R2 are identical from looking at a few pictures. To mount the components I would use solid core since once you set it, it won't be moving around, but using stranded shouldn't hurt. If you have any scrap PC's or power supplies that wire would probably suffice, power supply wire is a bit beefy.

 

[Stormsorter]

Like you I figured better safe then sorry and ordered some 51ohm 2w flameproofs. He's in no rush anyway since it only stops him from using the oven.

 

[(*steve*)]

Like you I figured better safe then sorry and ordered some 51ohm 2w flameproofs.

I agree, that is the most sensible option.