surubarila Posted June 29, 2016 Share Posted June 29, 2016 Sanatate permanenta! Aparatul e CDV DivX636K.Are chipset SPHE 8281D caruia i-am gasit pinii Tx/Rx.Se poate citi firmware-ul cu Postal ca apoi sa-l suprascriu?Daca da ce setari trebuie facute la programator?Defect--DVD-ul nu misca,toate tensiunile OK,C-uri noi,verificat conectica lipituri etc.Multam ! Link to comment
surubarila Posted June 29, 2016 Author Share Posted June 29, 2016 Rezolvat! Am spus ca toate tensiunile sunt OK.Pe PCB-ul unde e montat SPHE sunt doua stabilizatoare cu tz. 8550 PNP: unul pt.3,3V si unul pt. 1,8V. Tranzistorii i-am verificat afara din montaj iar tensiunile erau de 3,29V si 1,80V.Nu am instrument ultraperformant dar nici jucarie,e un Metex M-3650D si am considerat ca e bine.Am pus doua BC327 si e OK. PS-exclus sa fi fost din lipituri. Link to comment
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