MC250 Input Section Voltage Question
I just purchased a MC250…. This is my first McIntosh amp.
When checking the voltage on the input section printed circuit board I noticed that the voltages at C55 and C56 where at +/-20V instead of +/-15V per the schematic.
I changed R111 and R112 from 3.3K to 5.6K to get the correct voltages
It looks like the input section uses 4.4mA. R111 and R112 now drop about 24.6V (5.6K * 4.4mA= 24.67V)
The schematic I have is for PCB 043-795 My amp uses PCB 044-557
Does anyone have a schematic for PCB 044-557?
Does this fix make sense?
nobody answered ? I would like to know also, I have same voltage reading
|All times are GMT. The time now is 06:18 AM.|
vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2015 DragonByte Technologies Ltd.
Copyright ©1999-2015 diyAudio