26
4.No sound
One or all signal source without sound.
No sound
Signal source
NO
Speaker
YES
AMP I2C signal
NO
NG?
connections
OK?
OK?
YES
Check input
signal and
terminal
NO
Replace/
reconnect
YES
Defect on AMP
unit
Upgrade
software
speakers
Change signal
source and
terminal
Check IC & I2S
signal circuit
Replace AMP
Replace main
IC/main board
IC/main board
No sound
Содержание TH-43DX400L
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Страница 19: ...19 Block Diagram System Block Diagram...
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Страница 22: ...22 Power Tree Schematics...
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