bubusmecherul Posted January 3, 2020 Share Posted January 3, 2020 daewoo dmq-2075txt trece in stby aleatoriu,adica merge cat merge,1,3,5,ore dupa care intra in standbay,am schimbat condesatori din sursa,dar tot asa se manifesta sasiu cp-330,are cineva idei,va rog Link to comment
Nostalgic Posted January 3, 2020 Share Posted January 3, 2020 Condul din pin 4 traf linii l-ai schimbat ? 22uF-160v. Link to comment
bubusmecherul Posted January 3, 2020 Author Share Posted January 3, 2020 nu lam schimbat,acum al pun,dar nu am,pun un condesator 250v47uf,e bine.. Link to comment
Nostalgic Posted January 3, 2020 Share Posted January 3, 2020 (edited) Nu..... 22uF, cel mult 33uF. Acolo e un circuit L-C si nu e bine sa deranjezi prea mult constanta de timp la un asemenea circuit. Edited January 3, 2020 by Nostalgic Link to comment
cornel1962 Posted January 4, 2020 Share Posted January 4, 2020 uita-te pe schema asta : DAEWOO, HERU, MEGA VISION_CP330-C-ri marcate.pdf Link to comment
naebv Posted January 4, 2020 Share Posted January 4, 2020 (edited) Schimbati releul S801, si el poate fi cauza opririlor aleatorii. C414 poate fi si de 47u/250V, am reparat destule CP330 montand numai 47uF si niciunul nu s-a intors. C414 acolo este montat in configuratie de celula "boost", impreuna cu dioda D402 si o infasurare la trafo linii pe B+, astfel se creste componenta continua a tensiunii pentru finalul linii. Edited January 4, 2020 by naebv Link to comment
MISTER BIG Posted January 4, 2020 Share Posted January 4, 2020 Schimba condul pe alimentare Driver linii ! Link to comment
dan-a2 Posted January 4, 2020 Share Posted January 4, 2020 Refaceti si lipiturile in zona stabilizatoarelor !! Link to comment
naebv Posted January 4, 2020 Share Posted January 4, 2020 (edited) A nu se confunda defectul binecunoscut de la Goldstar de ex. sasiu MC64 (condensatorul de 1uF/160V pe alimentarea trafo driver uscat => semnalul ABNORMAL trece in "0" => procesorul comuta in stand-by) cu defectul din topic; sasiul este CP330 de la Daewoo (aici exista pe alimentarea trafo driver C417=4,7nF). Nu-mi aduc aminte sa fi schimbat vreodata C417 la CP330. Edited January 4, 2020 by naebv 1 Link to comment
iuliantv Posted January 4, 2020 Share Posted January 4, 2020 (edited) vezi sa nu ai descarcari la trafo linii ,se alimenteaza corect cu 103v ?astea sant cam proaste,oricum la cat e de batran posibil sa trebuiasca un pumn de condesatori schimbati,stabilizatoarele de 8-12-5v ,7808,7812,7805 ,a ceva condesatori pe langa ele cu probleme,chiar si lipituri reci,integratul din alimentare tda4601 poate face figuri,sau alimentarea acestua,sant multe de luat in calcul avand in vedere vechimea lui si caruta de componente cu care este facu Edited January 4, 2020 by iuliantv Link to comment
dan cod Posted January 5, 2020 Share Posted January 5, 2020 Cat este tensiunea la rețea? Link to comment
Ungureanu Daniel Posted January 5, 2020 Share Posted January 5, 2020 E bine sa fie relipit tot circuitul 8362 si daca tot se opreste, cu bobina releului la masa se poate trage o concluzie . Link to comment
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