[mythtv-users] HD-PVR power supply (wall wart) gone bad
mwedel at sonic.net
Sat Dec 1 18:19:14 UTC 2018
On 12/01/2018 10:12 AM, Bert Haskins wrote:
> On 12/1/2018 11:41 AM, Jan Ceuleers wrote:
>> On 01/12/2018 16:52, Bert Haskins wrote:
>>> I have yet to repair a HDHR WW or even a recent TV that had capacitors
>>> rated for over 30000 hours of operation.
>>> At ten hours a day that is less than one year YMMV.
>> 30K hours 24x7 is just under 3.5 years.
> 11.74 (hour/day) x 365 (day/year) x 7 (day/week) = 30K
> 24x7x365 = 61320 hours.
You are double multiplying there. There are 365 days in a year. You don't
add in 7 days a week - if you use days in week, you should then use weeks in
year als: 24 * 7 * 52
365 (days in year) * 24 (hours in day) = 8760 (hours in year)
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