Bad landlord, doesn't want to fix anything. How can i get him to fix things w/o me being evicted?

My landlord only collects the rent and doesn't want to fix, repair or replace anything that needs it. How can I get him to do the repairs without me being evicted. And without him raising my rent!
Update: there is no board for me to talk to, and i can not move right now.cause, i cant afford it. and moving right now would causze a sensory over-load for my sons.
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