1.2.6 Element substitution method
When some elements cannot be judged good or bad, substitution method may de adopted directly.
1.2.7 Comparison method
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.
1.3 Required device for maintenance
Digital oscillograph (
100MHE)
TV set
SMD rework station
Multimeter
Soldering iron
Pointed-month pincers
Cutting nippers
Forceps
Electric screw driver
Terminals connecting cord
Headphone
Microphone
- 3 -
Содержание DK2810HD
Страница 1: ...DK2810HD service manual DK2871HD DK2870HD...
Страница 89: ...Chapter Cinque PCB board Circuit diagram Section One PCB board 5 1 1 Surface layer of Panel 85...
Страница 90: ...5 1 2 Bottom layer of Panel 86...
Страница 91: ...5 1 3 Surface layer of DECODE SERVO Board 87...
Страница 92: ...5 1 4 Power Board 98...
Страница 93: ...5 1 5 Surface layer of MIC Board 99...