Question about Fujitsu Plasmavision PDS-4203 42 in. Television

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Conrac Plasma Display 4042

Hallo
I have a Conrac Plasma Display 4042.
habe einen Conrac Plasma Display 4042. The TV Tuner input is defect black image. The SCART inputs, PC und AV are working. I have checked the supply voltage at Tuner (Model Microtune 4046 FM5) . The +5V voltage is missing at both pins (Pin 8 and Pin 20 -> +5V for IF). I didn't found which part shall supply this voltage?

The Signal Interface Board (with all signal inputs and IO) has the code "Conrac 4042-6300-6502". This Board is used also in Fujitsu-Siemens Conrac Display TV42 4042. Do you have schamtics for this board?
Who supplies the 5V for the Tuner? Ufff, I have checked all board Pins but didn't find any connection to tuner!

Thank you!
Please reply to : popestii@web.de

Stefan. Hallo

habe einen Conrac Plasma Display 4042. Der TV Tuner empfängt nicht mehr - schwarzes Bild. Die SCART Eingänge, PC und AV funktionieren jedoch. Ich habe die Spanungen am Tuner (Model Microtune 4046 FM5) gemessen. Die +5V Spannung fehlt am beide Pins (Pin 8 und Pin 20 -> +5V für IF). Finde aber nicht woher bzw. welches Bauteil diese Spanung liefern soll ?

Das Signal Interface Board (add-on hinten mit alle Signaleingänge) hat die Bezeichnnung "Conrac 4042-6300-6502". Dieses Board soll auch im Fujitsu-Siemens Conrac Display vorhanden sein. Hat jemand einen Schaltplan fur dieses Board - bitte eventuell per PM?
Wer liefert die 5V fur den Tuner? Ufff, habe alle mögliche Platinen Pins gemessen aber keine Verbindug gefunden !

Danke für euere Hilfe!

Stefan.

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Found cold soldering point on tuner board.

Posted on Nov 02, 2008

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