Sanyo DS31820 Service Manual

Also see for DS31820: Owner's manual

Contents

— 11 —MECHANICAL DISASSEMBLIESCABINET BACK REMOVAL1. Refer to Figure 1, remove 11 screws.2. Pull off cabinet back and remove.CHASSIS REMOVAL1. Remove cabinet back.2. Discharge the picture tube anode (2nd anode lead) to thedag coating (picture tube grounding lead).3. Disconnect degaussing coil socket (KD), picture tubesocket, deflection yoke connector (KX), speakersconnector (KSP), picture tube ground lead, and 2ndanode lead.4. Remove chassis completely by sliding it straight back.PICTURE TUBE REMOVALCAUTION: Do not disturb the deflection yoke or magnetassembly on the picture tube neck. Care must be taken tokeep these assemblies intact, unless picture tube is beingreplaced. Discharge the picture tube to the coating beforehandling the tube.1. Remove chassis, referring to Chassis Removal instructions.2. Place cabinet’s front face down on a soft surface.3. Remove the screw on each corner of the picture tube andGENTLY lift the picture tube out of the cabinet.4. Install a replacement picture tube in reverse order.Properly install the degaussing coil and picture tubegrounding lead on the picture tube. See Figure 2.Note: If Picture Tube is being replaced, mount the DegaussingCoil properly on the tube. See Figure 2.Figure 2. Picture Tube RemovalFigure 1. Cabinet Back RemovalDEGAUSSINGCOILDEGAUSSINGCOIL HOLDERPICTURE TUBEGROUNDING LEADTO PICTURE TUBESOCKET BOARDGROUNDDEGAUSSING COILSOCKET