Panasonic EB-G50 Service Manual

Also see for EB-G50: Operating instructions Operating instructions Operating instructions

– 6–1 –6. DISASSEMBLY / REASSEMBLY INSTRUCTIONS6.1. GeneralThis section provides disassembly and reassembly procedures for the main components of the telephone.These assemblies MUST be performed by qualified service personnel at an authorized service center.The following Warnings and Cautions MUST be observed during all disassembly / reassembly operations:6.1.1. Call BarA working area where ESDs may be handled safely without undue risk of damage from electrostatic discharge must beavailable. The area must be equipped as follows.Working SurfacesAll working surfaces must have a dissipative bench mat, safe for use with live equipment, connected via 1M2 resistor(usually built into the lead) to a common ground point.Wrist StrapA QUICK RELEASE SKIN CONTACT DEVICE WITH A FLEXIBLE CORD, WHICH HAS AN INTEGRAL SAFETYRESISTOR OF BETWEEN 5K2 AND 1M2, SHALL BE USED.ContainersAll containers and storage must be of the conductive type.WARNINGThe equipment described in this manual contains polarized capacitors utilizing liquid electrolyte. These devices are entirelysafe provided that neither a short-circuit nor a reverse polarity connection is made across the capacitor terminals.FAILURE TO OBSERVE THIS WARNING COULD RESULT IN DAMAGE TO THE EQUIPMENT OR, AT WORST,POSSIBLE INJURY TO PERSONNEL RESULTING FROM ELECTRIC SHOCK OR THE AFFECTED CAPACITOREXPLODING. EXTREME CARE MUST BE EXERCISED AT ALL TIMES WHEN HANDLING THESE DEVICES.CautionThe equipment described in this manual contains electrostatic devices (ESDs). Damage can occur to these devices if thehandling procedures described are not adhered to.