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Now downloading free:Sony KV-X2981A  [report bad file]  

Download Sony KV-X2981A docs - TV - Conventional CRT, LCD Projectors, TFT, Plasma, Big Screen, HDTV, Home theater - Service manuals, repair tips





File information:
File name:tv_repair_640__.pdf
[preview KV-X2981A] new window
Size:70 kB
Extension:PDF
MD5 Checksum:01443ad8eb8792a0c694e9021d787905
Mfg:

Sony

Model:

KV-X2981A

Original Chassis:BE3B [chassis]
Descr:Tv repair - Guasto: spento, il led lampeggia 6 volte [saldature tuner]
Group:Electronics > Consumer electronics > TV >
Uploaded:2009-01-02 15:44:06
User:salvacolnome
Multipart:No multipart

Information about the files in archive:
Decompress result:OK
Extracted files:1
File nameText
tv_repair_640__.pdfTV FLASH N. 640 MARCA / TIPO MODELLO SCHEMA ELETTR. DIFETTO LAMENTATO PROVE EFFETTUATE SONY KV-X2981A, telaio BE3B Ed. Polaris - Anno 1997, Scheda 145 - Ed. Antonelliana - Vol. 80, pag. 282 Non si accende, il led lampeggia sei volte All'accensione si sente il rumore del rel della smagnetizzazione, il led frontale lampeggia sei volte, ma il televisore non si accende. Misurate le tensioni in uscita dell'alimentatore queste risultano regolari. L'idea quella di ripassare le saldature nel tuner, specialmente le masse. Dopo aver smontato il tuner e ripassato le saldature, in particolare quelle presenti sui due integrati TSA5512 e TSA5630, cos come le masse, il televisore si infatti acceso normalmente, segno che l'idea operativa era giusta. (Marco Pardini) MATERIALE SOSTITUITO Marzo 2006 - Il Cinescopio 61

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