Ultrax New member Donor 2017 Joined May 17, 2017 Messages 16 Reaction score 1 Location Florida May 18, 2017 #1 Recapping my 20m4u and noticed the b+ voltage is low 1.8 volts. Where is the adjustment as I do not see the pot. Last edited: May 18, 2017
Recapping my 20m4u and noticed the b+ voltage is low 1.8 volts. Where is the adjustment as I do not see the pot.
M K L Well-known member Joined Apr 16, 2013 Messages 1,402 Reaction score 375 Location dfhgjk, Italy May 18, 2017 #2 Ultrax said: Recapping my 20m4u and noticed the b+ voltage is low 1.8 volts. Where is the adjustment as I do not see the pot. Click to expand... I've checked the schematics and there's no adjustment. There is a voltage regulator IC that outputs exactly 115V. 1-2V off shouldn't be a problem. If it's really off there must be something faulty in the PSU circuit.
Ultrax said: Recapping my 20m4u and noticed the b+ voltage is low 1.8 volts. Where is the adjustment as I do not see the pot. Click to expand... I've checked the schematics and there's no adjustment. There is a voltage regulator IC that outputs exactly 115V. 1-2V off shouldn't be a problem. If it's really off there must be something faulty in the PSU circuit.
OP OP Ultrax New member Donor 2017 Joined May 17, 2017 Messages 16 Reaction score 1 Location Florida May 18, 2017 #3 I just finished recapping the power supply board and this difference had me concerned that something was installed incorrectly
I just finished recapping the power supply board and this difference had me concerned that something was installed incorrectly
Mattspad Well-known member VAPS Joined Nov 21, 2015 Messages 3,072 Reaction score 597 Location Florida May 18, 2017 #4 Nope nothing to worry about, on monitors when you're about 5 volts either way off then you start worrying generally. 1.8v should be ok.
Nope nothing to worry about, on monitors when you're about 5 volts either way off then you start worrying generally. 1.8v should be ok.