Point them out to the customer and recommend their replacement. Look for parts which, through functioning, show obvious signs. Flexible Circuit Board Repairing. Boards requiring use of unleaded solder are printed with the leadfree mark LF indicating the solder contains no lead. Caution: Some printed circuit boards may not come printed with the lead free mark due to their particular size. Unleaded solder has the following characteristics. Ordinary soldering irons can be used but the iron tip has to be applied to the solder joint for a slightly longer time.
Caution: The printed pattern copper foil may peel away if the heated tip is applied for too long, so be careful! Unleaded solder is more viscous sticky, less prone to flow than ordinary solder so use caution not to let solder bridges occur such as on IC pins, etc.
After correcting the original service problem, perform the following. Check the area of your repair for unsoldered or poorly-soldered.
Check the entire board surface for solder splashes and bridges. Look for unauthorized replacement parts, particularly transistors,. Point them out to the customer and recommend their replacement. Look for parts which, through functioning, show obvious signs. Flexible Circuit Board Repairing.
Boards requiring use of unleaded solder are printed with the leadfree mark LF indicating the solder contains no lead. Caution: Some printed circuit boards may not come printed with the lead free mark due to their particular size. Unleaded solder has the following characteristics. Ordinary soldering irons can be used but the iron tip has to be applied to the solder joint for a slightly longer time. Configuration audio Fonctionnement du menu MODE Utilisation de la Liste de lecture des films Lecture de la Liste de lecture Suppression des films et des images fixes Options de menu Sauvegarde des images avec un ordinateur A propos de x.
Adaptateur secteur Vers la prise. Marque B. LCD] p. En effet, si vous. ZOOM] p. Color] du menu REGL. AUDIO p. AUTO p. Vert Y. Raccordez les fiches blanche et rouge pour reproduire les signaux audio.
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