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Üdv Mindenkinek! Kaptam két Sony mini HIFIT. Az egyik Sony CMT-ED1A, annyi hibával, hogy a CD lejátszás közben akadozik, újraindul. Ehhez keresek esetleg feleslegessé vált remote controllert. A másik Sony PMC-R30L, ennél minden rendben működik, csak a kijelzőnek nincs háttérvilágítása. Megbontás előtt kérnék szépen tanácsokat a szereléssel kapcsolatban. Előre is köszönettel : multifilter

Hello. here is a message to share my experience in solving a problem that appeared on the home-cinema amplifier ONKYO tx-DS494. In order to sell this amplifier I had to check if all the outputs and all the functions works properly. On the back of this amplifier you have to frontal output : A and B. I connect a pair of speaker on A output : no problem. I can adjust volume. when i connect the pair to the b output and turn the volume knob no sound came out of the speakers until I reach a level defined by I don't know what. :hmmm: My volume level goes from 0 to 80db ( if I remember well ). from 0 to 23 db no sound and when I reach 24 dn sound increase and stabilize. With hearphone connected, i don' have this problem so I conculde that amplifing transistor could not be incriminated. I checked on the service manual and saw that there are two or three component that could be the source of the problem : the main processor, some capacitors on the output PCB and relays. I began testing capacitors: no pb. then I thought that if cannot be the main proc because it ( I think ) works in a binary mode: it works or it doesn't. so I decided to switch between themselves the two relay and :super: : it works. The relays was in fault and did not switches properly. here is my experience in repairing an amplifier

Sziasztok!A fenti erösítő teljesen süket!Bármelyik bemenetére kötök valamit nem szól!A végfokon látszólag jók a feszültségek.Van valakinek ötlete?

Keresem a Philips 22rc200 gyári Peugeot autórádió Sm -ét. és hogy ne írjak mégegyet MANIAC SOUND SYSTEM MNC INNOCD sm-ét is!