LG MA8000ST Service Manual - Page 12
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Too s normal y used for TV servicing are sufficient. Standard tools are listed below • uiagonai pliers • Long nose pliers • Phi ips screwdriver • F at blade screwdriver • NIrtdriver (size 5mm) • Ad'ustable wrench • Soldering iron • Vinyl insulation tape • Polishing cloth • TESTER(VOLTS DC, AC., Ohmmeter) • Microwave survey meter - Holaday HI-1500 HI-1501 Narda 8100 8200 • Inch scale - 600 cc non conductive material b aker (glass or plastic), inside diameter. approx. 8.5 cm(3112 in.) • Cylindrical and made of borosilicate glass vessel max thickness. 3 mm outside ciarneter. approx. 190rnm height: approx. 90mm • Glass thermometer. 100°C or 212°F (1 deg scale) • Be sure to check microwave leakage prior to LEAKAGE sentlaing- - . -The-service-personnel-shoutd4nforrn-the which-ls-graduated-to-600-ecTand-place-the-beaker on the center of the turntable. oven unit oun to nave a microwave emission level in excess of 5 mW/cm' anc 10U repair any unit found to have excessive emission levels at no cost use-it-fol-lowing-the-manufactures-recommendeel test proceaure to assure correct result. • When measuring the leakage, always use the 2- inch excessive leakage. The service personnel should instruct the owner not to use the unit until the oven has een orougnt into compliance. • If the oven operates with the door open, the service personnel should. Tell the user not to operate the oven. - Contact the manufacturer and CDRH (Center for Devices and Radiological Health) immediately NOTE: Address on CDRH Office of Compliance (HFZ 312) ,I,I IL,' Pal ll, V I,,, CAI IlA I ICAMISJI I,C.1.1 Healthe 1390, Piccard Drive, Rockville. MD 20850 • The service personnel should check all surface and vent openings for microwave 9 . • C-heck for mi.crow..ave, l.e. akag. e after every.. s..ervic. ing. . • Operate the oven at its maximum output. • Measure the microwave radiation using and electromagnetic radiation monitor by holding the probe perpendicular to the surface being measured Move probe along shaded area Probe scanning speed Less than 2.5 cm/sec (1in/sec) •'/ 1\ _/ -W/ / / v /