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Now downloading free:Nokia FX74F2  [report bad file]  

Download Nokia FX74F2 docs - TV - Conventional CRT, LCD Projectors, TFT, Plasma, Big Screen, HDTV, Home theater - Service manuals, repair tips





File information:
File name:_tv_repair_621__.pdf
[preview FX74F2] new window
Size:55 kB
Extension:PDF
MD5 Checksum:a0f3d01f2acf8c72258a68726ecd7fc6
Mfg:

Nokia

Model:

FX74F2

Original Chassis:FX100 [chassis]
Descr:tv repair - Problem: salta il transistor di riga. [BU2525AF, BYW98-200]
Group:Electronics > Consumer electronics > TV >
Uploaded:2009-01-03 02:03:09
User:salvacolnome
Multipart:No multipart

Information about the files in archive:
Decompress result:OK
Extracted files:1
File nameText
_tv_repair_621__.pdfTV FLASH N. 621 MARCA / TIPO MODELLO SCHEMA ELETTR. DIFETTO LAMENTATO PROVE EFFETTUATE NOKIA FX74F2, telaio FX100 Ed. Polaris - Anno 1997, pag. 14 Salta il transistor finale di riga A una prima analisi troviamo in corto circuito il transistor finale di riga. Per evitare successive rotture di altri transistor, controlliamo le saldature che sono state trovate in cattive condizioni sul condensatore di colore rosso, posto a fianco del transistor finale di riga. stato inoltre necessario sostituire il transistor finale TK3 (BU2525AF), il diodo DK3 (BYW98200) (codice Nedis BYW98/200-ST) e sono state controllate le resistenze staccandole dal telaio (RK 31, 32, 33, 34, 35, 36, 37, 38, 40). Per sicurezza sono poi stati sostituiti i condensatori CK18, 22, 23, 25 e i diodi DK7 e DK8. (Marco Pardini) MATERIALE SOSTITUITO TK3, DK3, CK18, 22, 23, 25, DK7, DK8 72 Il Cinescopio - Settembre 2005

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