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#1 |
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diyAudio Member
Join Date: Jun 2010
Location: SinCity
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Need a few pics of the driver board, and the PN#s for the defaced IC's.
Thanks.
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#2 |
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diyAudio Member
Join Date: Nov 2003
Location: Louisiana
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What's the part number (DWM3640?) on the board?
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Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links |
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#3 |
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diyAudio Member
Join Date: Jun 2010
Location: SinCity
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DWM3640NHV_V40
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#4 |
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diyAudio Member
Join Date: Nov 2003
Location: Louisiana
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__________________
Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links |
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#5 |
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diyAudio Member
Join Date: Jun 2010
Location: SinCity
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email sent, thanks again!
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All my battles have been won, But the war has just begun. |
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#6 |
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diyAudio Member
Join Date: Nov 2003
Location: Louisiana
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Check your email. If you need a higher resolution image of the board, let me know.
__________________
Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links |
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#7 |
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diyAudio Member
Join Date: Jun 2010
Location: SinCity
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Thanks Perry, Got it fixed, but still no idea on the defaced IC's. Got lucky and they were fine.
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#8 |
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diyAudio Member
Join Date: Nov 2003
Location: Louisiana
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I forgot. TL072 (U3) and an LM211 (U4).
__________________
Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links |
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#9 |
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diyAudio Member
Join Date: Jun 2010
Location: SinCity
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How about U1 and U2?
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All my battles have been won, But the war has just begun. |
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#10 |
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diyAudio Member
Join Date: Nov 2003
Location: Louisiana
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The larger ICs are IRS21844S or IR21844S. The IRS21844S supercedes the IR21844S. Either will work.
__________________
Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links |
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