Emitter Resistor part Number---MOSX3CT631RR33G...
laatsch55 Administrator, Staff member Jan 1, 2022 #2,101 Joined Jan 14, 2011 Messages 74,795 Location Gillette, Wyo. Tagline Halfbiass...Electron Herder and Backass Woof Jan 1, 2022 #2,101 Emitter Resistor part Number---MOSX3CT631RR33G...
Skratch Chief Journeyman Jan 1, 2022 #2,102 Joined Dec 27, 2011 Messages 1,162 Location Huntley Il. Tagline Life is short, so take your time Jan 1, 2022 #2,102 Is C2 capacitor on the B- supply? I don't have a schematic of that rev backplane but on a 400 C2 is on the B- rail
Is C2 capacitor on the B- supply? I don't have a schematic of that rev backplane but on a 400 C2 is on the B- rail
derek92994 Veteran and General Yakker Jan 1, 2022 #2,103 Joined May 1, 2013 Messages 7,261 Location Australia Tagline Those who enter the man cave will get WOPLed Jan 1, 2022 #2,103 Skratch said: Is C2 capacitor on the B- supply? Click to expand... Right backplane, far right hand side down the bottom closest to the dcp.
Skratch said: Is C2 capacitor on the B- supply? Click to expand... Right backplane, far right hand side down the bottom closest to the dcp.
derek92994 Veteran and General Yakker Jan 1, 2022 #2,104 Joined May 1, 2013 Messages 7,261 Location Australia Tagline Those who enter the man cave will get WOPLed Jan 1, 2022 #2,104 Will bring it up on variac and dcp one more time to be sure. Then set bias and hook up to spare speakers, will let it idle.
Will bring it up on variac and dcp one more time to be sure. Then set bias and hook up to spare speakers, will let it idle.
laatsch55 Administrator, Staff member Jan 1, 2022 #2,105 Joined Jan 14, 2011 Messages 74,795 Location Gillette, Wyo. Tagline Halfbiass...Electron Herder and Backass Woof Jan 1, 2022 #2,105 Coolness....
derek92994 Veteran and General Yakker Jan 1, 2022 #2,106 Joined May 1, 2013 Messages 7,261 Location Australia Tagline Those who enter the man cave will get WOPLed Jan 1, 2022 #2,106 Do you think that capacitor was the problem from the start? Responsible for blowing the 2 outputs on those 2 separate occasions?
Do you think that capacitor was the problem from the start? Responsible for blowing the 2 outputs on those 2 separate occasions?
laatsch55 Administrator, Staff member Jan 1, 2022 #2,107 Joined Jan 14, 2011 Messages 74,795 Location Gillette, Wyo. Tagline Halfbiass...Electron Herder and Backass Woof Jan 1, 2022 #2,107 The original "pop" and smell may have been it Darc. Had one do that to me but didn't blow an output, just the fuse, so...I really don't know...
The original "pop" and smell may have been it Darc. Had one do that to me but didn't blow an output, just the fuse, so...I really don't know...
laatsch55 Administrator, Staff member Jan 1, 2022 #2,108 Joined Jan 14, 2011 Messages 74,795 Location Gillette, Wyo. Tagline Halfbiass...Electron Herder and Backass Woof Jan 1, 2022 #2,108 Put your meter on low level AC and check speaker outs for noise...just for shits and giggles..
derek92994 Veteran and General Yakker Jan 1, 2022 #2,109 Joined May 1, 2013 Messages 7,261 Location Australia Tagline Those who enter the man cave will get WOPLed Jan 1, 2022 #2,109 Dc offset 0.4mv left and 1.0mv right what is the low level ac? Main caps are at 101v dc
derek92994 Veteran and General Yakker Jan 1, 2022 #2,110 Joined May 1, 2013 Messages 7,261 Location Australia Tagline Those who enter the man cave will get WOPLed Jan 1, 2022 #2,110 On the driver board, why is Q6R running at 130F and Q6L running at 100F? All the other temperatures are consistent.
On the driver board, why is Q6R running at 130F and Q6L running at 100F? All the other temperatures are consistent.
laatsch55 Administrator, Staff member Jan 1, 2022 #2,111 Joined Jan 14, 2011 Messages 74,795 Location Gillette, Wyo. Tagline Halfbiass...Electron Herder and Backass Woof Jan 1, 2022 #2,111 On the meter, we're checking for AC noise on the speaker outs, just curious...
laatsch55 Administrator, Staff member Jan 1, 2022 #2,112 Joined Jan 14, 2011 Messages 74,795 Location Gillette, Wyo. Tagline Halfbiass...Electron Herder and Backass Woof Jan 1, 2022 #2,112 derek92994 said: On the driver board, why is Q6R running at 130F and Q6L running at 100F? All the other temperatures are consistent. Click to expand... Don't know Darc...
derek92994 said: On the driver board, why is Q6R running at 130F and Q6L running at 100F? All the other temperatures are consistent. Click to expand... Don't know Darc...
derek92994 Veteran and General Yakker Jan 1, 2022 #2,113 Joined May 1, 2013 Messages 7,261 Location Australia Tagline Those who enter the man cave will get WOPLed Jan 1, 2022 #2,113 laatsch55 said: On the meter, we're checking for AC noise on the speaker outs, just curious... Click to expand... use ac millivolts on dmm?
laatsch55 said: On the meter, we're checking for AC noise on the speaker outs, just curious... Click to expand... use ac millivolts on dmm?
laatsch55 Administrator, Staff member Jan 1, 2022 #2,114 Joined Jan 14, 2011 Messages 74,795 Location Gillette, Wyo. Tagline Halfbiass...Electron Herder and Backass Woof Jan 1, 2022 #2,114 Yes...
derek92994 Veteran and General Yakker Jan 1, 2022 #2,115 Joined May 1, 2013 Messages 7,261 Location Australia Tagline Those who enter the man cave will get WOPLed Jan 1, 2022 #2,115 laatsch55 said: Yes... Click to expand... Ac noise .015 volts on both channels. My dmm does not have millivolts scale on AC
laatsch55 said: Yes... Click to expand... Ac noise .015 volts on both channels. My dmm does not have millivolts scale on AC
derek92994 Veteran and General Yakker Jan 1, 2022 #2,116 Joined May 1, 2013 Messages 7,261 Location Australia Tagline Those who enter the man cave will get WOPLed Jan 1, 2022 #2,116 I need a Fluke
laatsch55 Administrator, Staff member Jan 1, 2022 #2,117 Joined Jan 14, 2011 Messages 74,795 Location Gillette, Wyo. Tagline Halfbiass...Electron Herder and Backass Woof Jan 1, 2022 #2,117 Ok, hear anything through the speaks for background noise?
derek92994 Veteran and General Yakker Jan 1, 2022 #2,118 Joined May 1, 2013 Messages 7,261 Location Australia Tagline Those who enter the man cave will get WOPLed Jan 1, 2022 #2,118 Skratch said: Is C2 capacitor on the B- supply? I don't have a schematic of that rev backplane but on a 400 C2 is on the B- rail Click to expand... Its on the same side as the fused B- 2
Skratch said: Is C2 capacitor on the B- supply? I don't have a schematic of that rev backplane but on a 400 C2 is on the B- rail Click to expand... Its on the same side as the fused B- 2
derek92994 Veteran and General Yakker Jan 1, 2022 #2,119 Joined May 1, 2013 Messages 7,261 Location Australia Tagline Those who enter the man cave will get WOPLed Jan 1, 2022 #2,119 laatsch55 said: Ok, hear anything through the speaks for background noise? Click to expand... No speaks connected, still on the bench. I will close her up and move to lounge room. Leave the pre disconnected for now?
laatsch55 said: Ok, hear anything through the speaks for background noise? Click to expand... No speaks connected, still on the bench. I will close her up and move to lounge room. Leave the pre disconnected for now?
laatsch55 Administrator, Staff member Jan 1, 2022 #2,120 Joined Jan 14, 2011 Messages 74,795 Location Gillette, Wyo. Tagline Halfbiass...Electron Herder and Backass Woof Jan 1, 2022 #2,120 Correct....