820-3435 , PP18V5_DCIN_ISOL_R is low

hi ,
board no 820-3435
R7005 pin 1 : 16.5v
pin 2 : 3.0v
changed U7090 : still same
L7095 diode value is 0.335 both side
if make jumper r7005 pin 1 to D7005 pin 3 board turn on ,,,
help me pls
 

2informaticos

Administrator
Staff member
Is not normal to have such voltage over 10 ohm resistor.
It should get really hot.
Because you've said board works when bypass R/D7005.
Change C7090-92 and D7005 too.
 
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