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Jeff chandler Posted on Feb 19, 2019
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I have a Alpine PDX 5 amp. No sound now. Worked fine last 4 yrs. No sound once 3 weeks ago. Then started working. Stopped again. Any ideas?

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Brad Brown

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  • Alpine Master 19,187 Answers
  • Posted on Feb 19, 2019
Brad Brown
Alpine Master
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Joined: Nov 14, 2008
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This is a sign of a poor soldering connection inside the amp. Unless you have technical skills in electronics and the needed test gear, you would be bettter sending it off for repairs.

5 Related Answers

Anonymous

  • 447 Answers
  • Posted on Jan 05, 2008

SOURCE: Kenmore 106.53603202 stopped cooling making a clicking sound

The compressor may not have to be changed it could be the relay that is bad, not properly starting the compressor. The relay is attached to the compressor where the wires go to it. Remove it, Shake it, If it sounds like little rocks are inside (it rattles) than it is bad. Let me know what you find

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Anonymous

  • 655 Answers
  • Posted on May 16, 2009

SOURCE: red light on PDX 1.600 alpine amp... no sound

Hello zim69zim69zi,

Solid red indicates 4 possible conditions: 1) Short circuit, 2) Current too high, 3) Voltage too high, or 4) Overheated. The most common faults are the short and overheated.

If the fault is intermittent, the amp is probably overheating. If it is a constant fault, anytime the amp is powered up, then I'd recommend that you first check all of the wiring. If the wiring is OK, then you have a voltage or current problem. If it's voltage, the vehicle electrical system is probably causing it. You can check that with a meter. It should be from about 12VDC with the engine off, to about 15VDC with the engine running (alternator putting out). The amp should be able to operate OK up to about 16VDC but as components age, their values change. I'd look for a minimum of 10.8VDC and a maximum of 14.8VDC.

If the problem is overcurrent, the amp itself probably has a defective component causing it to draw too much current. It needs professional repair.

Hope this helps.

Anonymous

  • 3361 Answers
  • Posted on May 26, 2009

SOURCE: Not cooling, unpluged for few hours, it worked fro couple of weeks, stopped cooling again 2 days ago, I unplugged for few hours, It is working now

Your defrost system is bad. Replace the defrost thermostat and defrost heater in the freezer.

Anonymous

  • 578 Answers
  • Posted on Jun 26, 2009

SOURCE: Alpine PDX 1.1000 low power output - sub not loud

system not configurate properly go to a pro and let them do for you you have good equipment just need to put together rite.for wht you have you can get better sound than that,,good luck

BIKER T

Terence Fourie

  • 909 Answers
  • Posted on Sep 17, 2009

SOURCE: Viking Microwave Model VMOC205SS little over 4

9 amps is approx. correct. Does magnatron make an odd sound when running? If not, you will need to discharge cap then clean terminals with alcahol. Replace diode as well. Should run correctly.If blows again, replace magnatron. Suggest you put a 12 amp fast blow fuse in circuit and nor a 20 fuse.If you dont have a grill or an oven, use a 10 amp fuse.

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Hello zim69zim69zi,

Solid red indicates 4 possible conditions: 1) Short circuit, 2) Current too high, 3) Voltage too high, or 4) Overheated. The most common faults are the short and overheated.

If the fault is intermittent, the amp is probably overheating. If it is a constant fault, anytime the amp is powered up, then I'd recommend that you first check all of the wiring. If the wiring is OK, then you have a voltage or current problem. If it's voltage, the vehicle electrical system is probably causing it. You can check that with a meter. It should be from about 12VDC with the engine off, to about 15VDC with the engine running (alternator putting out). The amp should be able to operate OK up to about 16VDC but as components age, their values change. I'd look for a minimum of 10.8VDC and a maximum of 14.8VDC.

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