View Single Post
Old 10-27-2020, 07:52 PM   #44
beetle1303
Senior Member
 
Join Date: Jul 2019
City & State: Singapore
My Country: Singapore
Line Voltage: 230VAC 60Hz
I'm a: Knowledge Seeker
Posts: 169
Default Re: Tefal GV8962 Pro Express steam iron - no power

Quote:
Originally Posted by budm View Post
You are not getting Voltage feeding the D pin of the IC, you need to check the Voltage between the two legs of main filter cap C4 (Green cap next to the resistor) first and also check your soldering works.
BTW, 100 Ohms is too high for that fusible resistor, but of testing purpose t is OK for now.
Arh... indeed, one end of R1 solder joint is done poorly.. Reworked, and now D pin & C1 (I believe not C4) get 325Vdc, and C2 gets 24Vdc.

But pressing the power on/off button still no led light..

*Noted on R1 being a 100 ohm resistor, should get a 2W 8-10 ohm replacement?

Last edited by beetle1303; 10-27-2020 at 08:24 PM..
beetle1303 is offline   Reply With Quote