Cambridge Audio azur 340c silver part2 repair
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- Опубликовано: 15 сен 2022
- After one song or better after only 1 minute the CD-Player never start again and spin CCW - counterclockwise! What happened now after changing the belt on this machine? I show you the detail inside this CD-Player and have fun to watch this Video. If you're interest please subscribe. Thank you for watching weakbit
You doing great work please wow
great video! I wonder if upgrading the heatsink would increase the life of the IC?
I think on a other CD-Player like the TEAC PD-H300C what I repair as next today in the Video there is also the TA2092N H-Bridge defect too. But they don't have a heatsink there and the machine is younger - so now we can think what we want. The IC is in a plastic body and during the operation the pins bend more out and then if it is off it cools out. Now the distance between the Pin and the Plastic body will have I think a small invisible slot but water come into the IC and make the corrosion inside the IC and then the IC is over the time defect. A other question is more that why they are not build in a body like the TDA2004 with a coolingfan on it? HAve a nice day weakbit (I must make the next Video where I don't clean the PCB! I so sorry)
@@weakbit633 It would be interesting to conduct an test, fix a thermocouple on a IC, assemble the CD-Player and let it work for several hours, and see how many degrees it heats up.
I found this Cambridge CD player in the trash bin.
I would like check inside as the CD drawer won't open.
Could you please let know the type of screw driver for the screws on the top cover.
Thank you.
I think I remember it was a Torx T6.
I have a 340C. I changed the belt, cleaned, and adjusted the drawer to open and close smoothly. After that, the opening and closing worked fine, but when I press Play, it does not play. I noticed that the laser head constantly vibrates, and the transistors on the Precision servo board become hot, emitting a noticeable smell. Can anybody give me some advice on how to fix it? I cannot find a serviceman who is willing and able to fix it. I might attempt to do something on my own with a little help from someone else.
I am not a repairman, just an audiophile. And I want to fix my DiscMagic 1 CD Transport - that can't read discs anymore. I have cleaned the lens and I would like to know where is the adjustment screw for the laser potentiometer located on my Cambridge Audio Discmagic 1 CD Transport.
A drawing, a photo, a video, anything to help me locate it. Thank you for any help about this issue.
That seams to be that the laser-pickup is on the end of live so I change it if this happened. But the trim resistor is normal behind the laser-pickup.
@@weakbit633 You are most probably right. I just need to see (on a diagram or a photo) exactly what the adjustment screw looks like, and see clearly its location, so I can try turning it 2 or 3 degrees (as I have seen on other videos, for other transports), in order to try to solve the problem of the display showing "disc". If that doesn't solve it, I don't know where I can have my unit repaired as you mentioned.
@@albertsimon3235 If you turn this trim resistor then the end occur. The standart alignment from the factory is correct for the current in the laser-pickup and this is the regulation for the MD (Monitor or Feedback Diode) into the system. If this is not from the factory you're out of the regulation and the laser is on the end of live.
Cool! But, Why You didn't clean the PCB after soldering IC?
I don't using extra soldering flux. Only the flux inside the solder 0.1% this will not make a corrosion - or what do you think?
@@weakbit633 I always wash the soldering place from the flux residues, even from the "no-clean", visually the PCB looks much better. Also, why You didnt use hot air?
@@Blambik I don't use hot air for a DIL and this destroyed this bad PCB board. Cleaning is for nerds the flux is long out of the solder. The solder have a flux from about 2.2% I've a watch on it. There is no technical reason that a clean on this board is necessary. To Clean it is only a esthetic point. There are some voices they said if you not clean it it make a corrosion. but this is in this case not so the flux is gone into the air in smoke and gas. And you must know this are for poor people (they never can pay a CD-Player like this and I make it for free without paying) they don't pay for the repair and also I'm not paid for cleaning PCB boards. Well it looks better if I do this and thank you for your critic! Have a good day! weakbit
@@weakbit633 Sorry for my bad english, but I haven't any critic. Thank You! And have a nice day!🙂
@@Blambik No the critic is correct - you asking and I can't answer it! The interest thing is in my next Video. I come from this industry and we never think about cleaning the PCB boards in no case. This is why I'm wondering and you've right in case of the residue - to keep them away. But we never do this - why? The answer is clear it is the cost effect that cost water and cleaning substances like alcohol but the background is that the residue (you can see the dirt in my next Video) have no conductive problem so it was never cleaned up. I'm sorry for my answer but it was from 1985 till today 2022 so. Have a nice day! weakbit