BBK DK1020S - Element Substitution Method; Comparisonmethod; Required Deviceformaintenance

1.2.6Elementsubstitutionmethod
1.2.7Comparisonmethod
Whensomeelementscannotbejudgedgoodorbad,substitutionmethodmaydeadopteddirectly.
AsamegoodPCboardisusuallyusedtotestthecorrectvoltageandwaveform.Comparedthese
datawiththosetestedthroughfaultPCboard,thecauseoftroublesmaybefound.Throughtheabove
maintenancemethod,theoreticalknowledgeandmaintenanceexperience,alldifficultiesandtroubles
willbereadilysolved.
Digitaloscillograph(100MHE)
TVset
SMDreworkstation
Multimeter
Solderingiron
Pointed-monthpincers
Cuttingnippers
Forceps
Electricscrewdriver
Terminalsconnectingcord
Headphone
Microphone
1.3Requireddeviceformaintenance
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