humax 5400 power supply

[mnadeem]

Hi
Need help to repair my receiver ,, changed open resistance R2 and R1 ,, but it will not boat . what could it be ,,
can switching regulator also be short . i can not mesured the voltage there is no discryption written

 

[hcet]

humax 5400

Hi mnadeem,
you are able to find a service manual here:
**broken link removed**
Good luck, ep20k

 

[mnadeem]

humax 5400 resistance

Hi
I have load the manual . butsame there is no discryption for powersupply , and second i have changed every condencer and crytical resistance , but problem remain same

 

[hcet]

humax power supply

Hi mnadeem,

I have load the manual . butsame there is no discryption for powersupply

You are right, I haven't had a look into that thing. Go to page 51 there are at least the voltages which come from the power supply listed.
Here can you download the SM for the power supply.
https://www.eserviceinfo.com/downloadsm/5094/Humax_IRCI 5400 smps.html

Don't you know Google? ;-)
Good luck, ep20k.