Jump to content
ELFORUM - Forumul electronistilor

Amplificator AV -2000


Recommended Posts

Sa traiti!

Acest amplificator cu finali tranzistori D718 functioneaza corect un canal iar celalalt la minim se aude bine in schimb la maxim se aude distorsionat   (gijiit) si un prefinal 2n5551 din etajul defect se ambaleaza termic .

Am verificat la rece toate componentele si par in ordine ,ce ar putea fi defect ?

 

Link to comment
  • Replies 4
  • Created
  • Last Reply

Top Posters In This Topic

Desi finali la rece masurati cu ohmetru era bine ,am schimbat finali intre etaje si defectul sa mutat odata cu ei.

Pot sa inlocui  D718  cu TIP 35C ?

Singura diferenta e  D  718  --- Vcbo-120v       TIP35C ----Vcbo-100v

                                                 Vceo-120v                          Vceo-100v.

 

 

 

 

 

Am facut schimbarea ,se aude corect dar se ambaleaza termic TIP35C.

Edited by mariantoader82
Link to comment
  • 3 weeks later...

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now



×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.Terms of Use si Guidelines