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M-80 issues again

I appreciate any help and knowledge and I will definitely look into the apricot seed. I've always tried to maintain a healthy life style and was actually a master fitness trainer in the Army. No family history of heart problems. It just came out of the blue although I think that 60th birthday last year had something to do with it. Time to rollback the birthdays. This year I'll be 59.88 ;)
 
So more meds and another stop start on the heart. Ablation coming up but hopefully I can get this nightmare M-80 out of my life in the meantime. Where I'm at now is still bright bulb and unplugging #2 starts to get panel lights but everything associated with TR113 starts heating up. I've replaced D119, D111, 113, 115, 117and tested the others on that side. In desperation replaced Tr111, 113, 115, 117. Replaced all electrolytic caps and mica cap C159 that looked stressed. Also R123, 228, 231. R233 showing signs of stress but still checks good. I thought I was getting a weird reading on R101 so replaced that also but it measures the same as the old one in circuit. I'm missing something or this one is the spawn of Satan. Ughh!!
 
Ftlbs said:
So more meds and another stop start on the heart. Ablation coming up but hopefully I can get this nightmare M-80 out of my life in the meantime. Where I'm at now is still bright bulb and unplugging #2 starts to get panel lights but everything associated with TR113 starts heating up. I've replaced D119, D111, 113, 115, 117and tested the others on that side. In desperation replaced Tr111, 113, 115, 117. Replaced all electrolytic caps and mica cap C159 that looked stressed. Also R123, 228, 231. R233 showing signs of stress but still checks good. I thought I was getting a weird reading on R101 so replaced that also but it measures the same as the old one in circuit. I'm missing something or this one is the spawn of Satan. Ughh!!
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I have A-fib ( turn 57 this sunday), not sure if that is your issue but I did two Zappings and my doc and I decided to not torture the heart anymore and just stick with meds to keep the rate down to under 90 bpm . Metoprolol and some Elequis for stroke prevention and I mostly feel fine. I use a Kardi mobile device every once in while for those times I feel a little off. Usually my heart rate is fine and I figure out its indigestion ;)

Good luck with the M-80 as well :D

Athanasios
 
Nashou66 said:
I have A-fib ( turn 57 this sunday), not sure if that is your issue but I did two Zappings and my doc and I decided to not torture the heart anymore and just stick with meds to keep the rate down to under 90 bpm . Metoprolol and some Elequis for stroke prevention and I mostly feel fine. I use a Kardi mobile device every once in while for those times I feel a little off. Usually my heart rate is fine and I figure out its indigestion ;)

Good luck with the M-80 as well :D

Athanasios
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Yep. They zapped once and lasted two weeks. Been on flecainide for a a few weeks along with all the other stuff then zap again. I'm going to do the ablation just to be sure it hopefully doesn't come back. Heart has been working at only about 35% but hopefully that improves. I just can't deal with the shortness of breath and no energy. I'm 61 next week and otherwise no issues and active.
 
Ftlbs said:
Yep. They zapped once and lasted two weeks. Been on flecainide for a a few weeks along with all the other stuff then zap again. I'm going to do the ablation just to be sure it hopefully doesn't come back. Heart has been working at only about 35% but hopefully that improves. I just can't deal with the shortness of breath and no energy. I'm 61 next week and otherwise no issues and active.
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I am on Flacainade Acetate as well, At least I don't get shortness of breath. Hopefully there is no blockage anywhere !!! I know a few peeps that had the ablation done and they are dong ok since then.

Athanasios
 
Ftlbs said:
Thanks. Any advice on the Amp? I'm about ready to stuff it with real M80's and a long fuse....
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Lol...Did ya test TR121 out of circuit? Ya mentioned it tested ok on first page, just curious. Did ya check the big output transistors mounted on the heat sinks for shorts? VR103 is really fragile, make sure it's not open from all the fuss work in that area. Good times.
 
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I'll check 121 again. All outputs were good but I should probably check again. I smoked 111 and a couple resistors while chasing the issues at first. Replaced everything affected and that portion seems ok now. Just the 113 area trying to smoke now.
 
I forgot to mention the two sneaky bastards in the class A stage. TR141 & TR139. Check or replace. If that's not the issue, and it's been re-capped, then I'm out of ideas.
 
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Pulled those and they're fine. All caps are new. I'm going to check each transistor for part number and orientation. Don't know what else to do. I'm going to jump over to the 85 for a bit to get a break from this one. Maybe I can have some success there although it's got some weirdness going on too.
 
Moved back to this one. It's been off to the side for a few months. It has a bright bulb on dbt and when #3 is unplugged bright bulb goes away, panel lights come on and TR111 starts heating up. This thing has a lot of new parts but I'm missing something. I went over the previous posts in this thread and checked everything again and all looks good. I just don't know what direction to look in. I'm trying to learn these things, I really am. Thanks.
 
What voltage are you seeing at plug # 3 pins on the main board with it unplugged .
 
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