Rainbow 100 PSU capacitor list

Alan Perry aperry at snowmoose.com
Tue Mar 5 18:16:16 CST 2019


For a little background, I had run the system for about 15 minutes, then 
it sat for a couple months while I removed the PVA from the display, 
then, when I tried to run the system again, the system started to boot 
and then the circuit breaker popped.

On 3/5/19 4:02 PM, Fred Cisin via cctech wrote:
> The circuit breaker is there to reduce the chances that a problem 
> turns into a disaster.
>
> Although it IS possible to have a defective circuit breaker that is 
> "false tripping", or thinking that it has an overload at normal 
> amperages, that is unlikely.
>
> I'm afraid that it is time to start by checking for shorts to ground, 
> etc., without continuing to let it happen.  Starting with whatever the 
> circuit breaker is trying to protect.
>
>
>
> On Tue, 5 Mar 2019, Alan Perry via cctech wrote:
>
>> Yes, with the power supply disconnected from the mobo, it pops.
>>
>> alan
>>
>> On 3/5/19 3:43 PM, Warner Losh wrote:
>>> If you disconnect the power supply from the motherboard, disks, etc, 
>>> does it still pop? If so -> bad power supply. If not, reconnect one 
>>> at a time and see if it is load based (eg each of them connected 
>>> alone causes it). If it is purely load based, then it's a bad ps). 
>>> If there's one thing that causes it to pop, there's an issue there. 
>>> If it is the mobo, you might also try w/o the VR201 connected, since 
>>> if that's pulling too much power, it can cause a PS overload (though 
>>> I've never had this issue, I've read about it years ago).
>>>
>>> Warner
>>>
>>> On Tue, Mar 5, 2019 at 2:56 PM Alan Perry <aperry at snowmoose.com 
>>> <mailto:aperry at snowmoose.com>> wrote:
>>>
>>>     OK, got back to this ...
>>>
>>>     Plugged in the Rainbow 100. Flipped the power switch. No LEDs lit.
>>>
>>>     There is a white circuit breaker on the power supply. When I
>>>     switch on the power, it pops out. I switch off the power, reset
>>>     the breaker, switch on the power and it pops out again.
>>>
>>>     alan
>



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