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23rd December 2011, 10:09 PM
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#1 |
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diyAudio Member
Join Date: Sep 2006
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Fusion PP-AM100010
AMP'S PROTECTION LIGHT IS ON BUT THE AMP IS PRODUCING + - RAIL VOLTAGES THERE IS ALSO 4.44 VOLTS ON THE OUTPUTS I ALSO GET + - 12 VOLTS ON THE REGULATORS
HERES WHAT I GET ON THE 494 PIN 1:4.17 PIN 2:4.94 PIN 3:0.05 PIN 4:0.05 PIN 5:1.46 PIN 6:3.60 PIN 7:0 PIN 8:13.88 PIN 9:5.38 PIN 10:5.38 PIN 11:13.88 PIN 12:13.88 PIN 13:4.94 PIN 14:4.94 PIN 15:4.17 PIN 16:2.47 ALL OUTPUTS TEST GOOD ANY IDEAS?? Last edited by mike49504; 23rd December 2011 at 10:13 PM. |
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23rd December 2011, 10:49 PM
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#2 |
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diyAudio Member
Join Date: Nov 2003
Location: Louisiana
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Outputs? Speaker terminals or output transistors? If transistors, which legs?
__________________
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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24th December 2011, 02:38 AM
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#4 |
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diyAudio Member
Join Date: Nov 2003
Location: Louisiana
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Is that with both meter probes on the speaker terminals?
__________________
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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25th December 2011, 03:58 AM
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#7 |
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diyAudio Member
Join Date: Nov 2003
Location: Louisiana
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What is the resistance from the RCA shield to the negative speaker terminal?
No RCAs plugged in. What is the DC voltage on pin 1 of IC103 with the black probe on the negative speaker terminal?
__________________
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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25th December 2011, 04:35 AM
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#8 |
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diyAudio Member
Join Date: Sep 2006
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What is the resistance from the RCA shield to the negative speaker terminal?
No RCAs plugged in. 16.76 mega ohms What is the DC voltage on pin 1 of IC103 with the black probe on the negative speaker terminal? Dont see a IC103 They are labeld like U10 U9 ect __________________ |
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25th December 2011, 04:44 AM
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#9 |
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diyAudio Member
Join Date: Nov 2003
Location: Louisiana
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Post a photo of the inside of the amp.
__________________
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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