Denon DVD-910 Service Manual

Also see for DVD-910: Operating instructions Specifications Operating instructions Service manual Operating insructions

Contents

77DVD-910STANDARD NOTES FOR SERVICINGCircuit Board Indicationsa. The output pin of the 3 pin Regulator ICs is indi-cated as shown.b. For other ICs, pin 1 and every fifth pin are indicatedas shown.c. The 1st pin of every male connector is indicated asshown.Instructions for Connectors1. When you connect or disconnect the FFC (FlexibleFoil Connector) cable, be sure to first disconnect theAC cord.2. FFC (Flexible Foil Connector) cable should beinserted parallel into the connector, not at an angle.How to Remove / Install Flat Pack-IC1. RemovalWith Hot-Air Flat Pack-IC Desoldering Machine:.(1) Prepare the hot-air flat pack-IC desolderingmachine, then apply hot air to the Flat Pack-IC(about 5 to 6 seconds). (Fig. S-1-1)(2) Remove the flat pack-IC with tweezers while apply-ing the hot air.(3) Bottom of the flat pack-IC is fixed with glue to theCBA; when removing entire flat pack-IC, first applysoldering iron to center of the flat pack-IC and heatup. Then remove (glue will be melted). (Fig. S-1-6)(1) Release the flat pack-IC from the CBA using twee-zers. (Fig. S-1-6)Caution:1. Do not supply hot air to the chip parts around the flatpack-IC for over 6 seconds because damage to thechip parts may occur. Put masking tape around theflat pack-IC to protect other parts from damage.(Fig. S-1-2)2. The flat pack-IC on the CBA is affixed with glue, sobe careful not to break or damage the foil of eachpin or the solder lands under the IC when removingit.Top ViewOut InBottom ViewInput510Pin 1Pin 1FFC CableConnectorCBA* Be careful to avoid a short circuit.Fig. S-1-1Hot-airFlat Pack-ICDesolderingMachineCBAFlat Pack-ICTweezersMaskingTapeFig. S-1-2