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bibhuti padhiary
bibhuti padhiary Posted on Jun 17, 2018
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How problem protect 3. Sony mhc44d - Sony Televison & Video

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Seamus noonan

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  • Posted on Feb 19, 2019
Seamus noonan
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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

Nasir Muhammad

Nasir Muhammad

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  • Sony Expert 252 Answers
  • Posted on Jul 02, 2018
Nasir Muhammad
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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

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