1.2.6 Element substitution method
1.2.7 Comparison method
When some elements cannot be judged good or bad, substitution method may de adopted directly.
A same good PC board is usually used to test the correct voltage and waveform. Compared these
data with those tested through fault PC board, the cause of troubles may be found.
Through the above maintenance method, theoretical knowledge and maintenance experience, all
difficulties and troubles will be readily solved.
Audio Generator
Digital oscillograph (
100MHE)
SMD rework station
Multimeter
Soldering iron
Pointed-month pincers
Cutting nippers
Forceps
Electric screw driver
Terminals connecting cord
Headphone
Microphone
1.3 Required device for maintenance
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Summary of Contents for AV311T
Page 1: ...service manual AV311T...
