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How problem protect 3. Sony mhc44d - Sony Televison & Video

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I bought my wife a Sony. Mhc v500 d speaker and she put on Bluetooth off her phone and put the volume up to 23 the speaker now won’t work and it reads protect3 how can we fix it or do I just bring it back to the shop

Posted on Feb 19, 2019

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He fl uorescent indicator tube after turning the power on
DAMP Mount Diagnosis Flow (1/2)
"PROTECT3" is displayed on the
screen display panel after turning
the power on.
Yes
Check that DAMP board IC2002
pin 27, 32, 35 and 39 is short to
GND.
No
No
Check and replace the speaker.
"PROTECT3" is not displayed,
when removing the speaker and
turning the power on.
Yes
Yes Exchange DAMP board IC2002
(6-721-742-01)
No
Yes
DAMP board damage. Exchange
complete DAMP board.
Exchange DAMP board IC2003
(6-721-742-01)
Check that DAMP board IC2003
pin 27, 32, 35 and 39 is short to
GND.
thanks
M NAsir

Posted on Jul 02, 2018

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The "PROTECT" and "PUSH POWER" messages will flash alternately when the protective device of the amplifier has been activated because a strong signal was input, or if there is a short-circuit detected. Press the POWER button on the unit to turn off the system, and check the following items after "STANDBY" disappears.

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You may also refer to the following link for additional troubleshooting steps.

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