Akai CFTD2011, Руководство по обслуживанию, Страница: 6 / 46

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TROUBLE SHOOTING FLOW CHART (2)
TV Check or change U7,U18
No Sound Back to default setting
Other Source CheckU18 ， check U26,U27 output
Check Main Board and wire connecting
all source Check Main Board ， wire ， U26,U27 output
R or L no sound Check U7
Check Speaker connecting
one port Check U7,U26,U27
Check Speaker connecting
all source Check U7,U26,U27
Audio Issue Noise Check Speaker
one port Check U7,U26,U27
Check signal input source
all source Check U7,U26,U27
Sound low Check U26,U27 power supply
TV check signal source
Back to default setting
Check U7,U26,U27