Would anyone be willing to:

[brushlessboy16]

To do the opto mod on my MMM, i tried and apparently i failed...

All the LED's work. it responds to throttle commands, the fan comes on and nothings smoking or getting hot (all ambient temp) but the thing wont arm or beep or anything tried with the switch on and off.

My questions to you guys are:
A. What did i Do wrong
B. Would anyone Do these mods for me
C (longshot) would anyone trade me a pre-optoed MMM

Thanks
-Ben

[e-mike]

to complicated for me to mod a mmm...simply ship it to cc

[BrianG]

First, take a really large, clear picture of the modded area and post it. Much easier that way instead of speculating what might have happened.

I would hate to do these for people and have them not work. It's bad enough to void the warranty, but to have someone else void it....

[brushlessboy16]

Originally Posted by BrianG

First, take a really large, clear picture of the modded area and post it. Much easier that way instead of speculating what might have happened.

I would hate to do these for people and have them not work. It's bad enough to void the warranty, but to have someone else void it....

well its already been voided- pic up in a minute

[BrianG]

I know, but I'd hate to be the one to make it totally beyind repair...

[brushlessboy16]

lighting makes it look worste then it is, ther areent any shorts

[BrianG]

Hmm, it's kinda hard to tell, but I don't see any solder bridges anywhere. It looks like you did overheat a couple of the traces in the upper right corner (10 pin IC), but those should not matter since the IC is out... unless they are paths to other spots in the circuit using vias on another layer...

[Arct1k]

Triple check for shorts - It is odd if the brain board is getting power but not powering the FETS...

[TruckBasher]

Brushlessboy, Im not sure if its the same with you but I notice the same behavior when I first tried the mod then out of curiosity I turned on/off the switch and it finally armed. Thats when I decided to short out the switch connection, really no use. off position still show blinking light like trying to arm.

I am not one hundred percent sure though, hard to see if there are any short on your ESC...if you have a tester might want to try also

[brushlessboy16]

i have tested multimle times- no shorts

the leds arm, as in they flash all three colors then go to green and respond to the trigger

[MetalMan]

Are you getting any tones from the motor?

[Arct1k]

Short out the switch...

[JaySki]

When soldering on a board.. to add or remove components...
you HAVE to be VERY careful with heat.. Circuit boards are made up of several layers with traces through each layer... even the contacts on the top layer may continue on to another component... too much heat and you WILL lift traces, and they can not be fixed.
You WILL damage the traces that may be below where you are soldering.. and can NOT be fixed.
If you short/bridge a set of contacts... or more.. yuou can/will short and damage other components on the board. Shorting and hitting some of those other transistors, resistors, etc with any amount of current and/or voltage can/will damage them. At that point, you are pretty much dead in the water unless you have an Oscilloscope and a schematic of test points, and what readings would be where.
Soldering on a board is a MASSIVELY different world from soldering wires to connectors.
I wouldn't suggest practicing on a $200 piece of electronics that you can have replaced for free under warranty.

[brushlessboy16]

Originally Posted by MetalMan

Are you getting any tones from the motor?

no

Originally Posted by Arct1k

Short out the switch...

i dont see what the difference between that and flippin git to on is...

[JaySki]

Originally Posted by brushlessboy16

no


i dont see what the difference between that and flippin git to on is...

They suggest it as it isn't needed and eliminates one potential place of a problem.