Table of Contents
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FLOW CHART NO.1
NO Power(The power cannot be turned on)
Check the Power Cable connect is ok or not
Yes
TEST Power supply voltage output CON4 each
plate is normal or not(+12V\DC5V\MCU\5V\P25V)
Yes
Check & replace AMP&MCU BOARD
FLOW CHART NO.2
Has not voice form the speaker
Adjust the Volume
Check speakers boxes are connected correctly
Check if the operate system in MUTE state
Check&replace AMP&MCU board
No
No
Yes
Yes
Yes
Troubleshooting
Check and Change the connect cable
TEST CON4 "ECO"pin whether
has high level signal
Yes
No
Check the fuse which location F1
is normal or not.
Yes
Replace the power board
No
Retry again
Yes
Cancel the MUTE setup
9-1
No
replace a new one
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