29
7.No tuning channels
DTV or ATV no Channels.
No tuning
channels
Tuner power/
Signal setting
OK?
Upgraded
software OK?
crystal/I2C bus
OK?
Change setting/
tune again
Replace signal
source
Check TV
settings
Tune again
Check & replace
power flow/crystal units
Replace main
board
Replace tuner
IC/MCU
Replace main
board
End
Содержание TH-43DX400L
Страница 1: ...11 LED Television Model No TH 43DX400L TH 49DX400L...
Страница 17: ...17...
Страница 19: ...19 Block Diagram System Block Diagram...
Страница 21: ...21 Circuit Block Diagram...
Страница 22: ...22 Power Tree Schematics...
Страница 49: ...48...