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Old 3rd July 2009, 11:37   #9526
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Originally Posted by navin View Post
once the system is playing for say 5 mins does the problem re-occur again during that session?
Yes, it does. Infact it happens once it is almost always guaranteed to happen again during that session. How soon it happens is a big question though.

Also how do I find if the speaker wires are shorting?.

The guys at the shop checked by replacing the cross overs the other day but even with a new crossover the problem did show up, hence XO was ruled out as the culprit.

The main problem is that it does not re-occur on will and one has to have patience until it shows up and like it happened this morning inspite of listening for half hour it did not show up.

Thank you for trying to help me out.
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Old 3rd July 2009, 13:15   #9527
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I have used a broad piece of Weurth damping sheet for the rear-side of the IRVM and it surely reduces vibration to some extent in an Indica V2.

If you do end up trying out the wheel weights, pls do report the findings.

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question. always thought about this - will sticking a pair of wheel weights (used for wheel balancing) onto the IRVM reduce vibration. It is effectively dampening it right ?
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Old 3rd July 2009, 13:30   #9528
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1. my car- accent viva crdi
2. current setup -some kenwood player with oem speakers
3. my budget 20-25k max (i already have a spare pioneer 7950 and pioneer premeir 200-some-watt amp)
4. self driven
5. music ranges from psy-trance to sufi
6. yes to both the boot and the door.

i am located in delhi and need advice for a pop out screen and its practicality in the accent as it has a single din and right above the din is the ac vent and the hazard light etc.
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Old 3rd July 2009, 13:55   #9529
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Quote:
Originally Posted by SRShrikanth View Post
I have used a broad piece of Weurth damping sheet for the rear-side of the IRVM and it surely reduces vibration to some extent in an Indica V2.

If you do end up trying out the wheel weights, pls do report the findings.
I actually ended up pasting some foam tape in between the place where the mirror is attatched
And in my case, most of the noise was from a rattling rosary my folks had hung onto it. Since the rosary itself was non negotiable, found out a more acoustically compatible rosary
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Old 5th July 2009, 12:20   #9530
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Originally Posted by navin View Post
check that speaker wires are not shorting
navin or some one can you please let me know how to find if the speaker wires are shorting and avoid it?.

Thank you.
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Old 5th July 2009, 13:24   #9531
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Simple wire them to the amp and see, Just kidding . Use a Multimeter to check the shorting.
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Old 5th July 2009, 15:58   #9532
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Quote:
Originally Posted by karankapoor View Post
Use a Multimeter to check the shorting.
1. disconnect the amp end
2. connect a simple multimeter at the amp end
3. check for 'continuity'
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Old 5th July 2009, 19:15   #9533
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Quote:
Originally Posted by navin View Post
1. disconnect the amp end
2. connect a simple multimeter at the amp end
3. check for 'continuity'
Since the problem is intermittent will this logic works? Also if speaker wires are shorting Amp would have gone to protect mode. I suspect the speaker terminal and/or the Voice coil. May be swapping left and right speakers will throw some details - in my opinion

Last edited by mohang_j : 5th July 2009 at 19:19.
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Old 6th July 2009, 15:32   #9534
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Quote:
Originally Posted by drvhplyevraftr View Post
The last few days, the focal near the driver side is acting strange.
The volume goes low, comes back to normal, gives distortion kind of
sound and sometimes just stops giving any sound. This does not happen
always. Sometimes it plays very normal. I thought it could be because
of the media played and tested with USB, CD, FM inputs but the right
focal speaker near the driver keeps giving the problem.
Check the sliding switches (crossover mode switch/ input select switch etc) on the amp pertaining to the channels in concern. There is some poor contact due to dust/ deposits, in one of those switches, I suspect.
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Old 7th July 2009, 12:08   #9535
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Quote:
Originally Posted by navin View Post
1. disconnect the amp end
2. connect a simple multimeter at the amp end
3. check for 'continuity'
I assume you want me to disconnect the speaker wires and then connect the +, - of the multimeter at the amp end while playing some music. Also what is meant by 'continuity'?. Sorry for the dumb questions.

Quote:
Originally Posted by Bass&Trouble View Post
Check the sliding switches (crossover mode switch/ input select switch etc) on the amp pertaining to the channels in concern. There is some poor contact due to dust/ deposits, in one of those switches, I suspect.
This is quite possible as the amp is kept beneath the passenger seats and dust might have settled on/inside the amp.

The problem however has not shown up the last few days inspite of several sessions for quite extended period of listening time. I shall however check for the dust/deposits. BTW what do I do if there is dust inside the amp?. Should I open the amp and clean it?.

Thank you everyone for helping me out. If the problem shows up again I shall reply back in this thread. Thank you once again.

Last edited by drvhplyevraftr : 7th July 2009 at 12:11.
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Old 7th July 2009, 13:49   #9536
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Quote:
Originally Posted by drvhplyevraftr View Post
BTW what do I do if there is dust inside the amp?. Should I open the amp and clean it?.
Adjust balance and fader so that only the problematic speaker is playing. Then just move the HPF/ Flat/ LPF switch a bit and see if the speaker goes off or causes the distorting sound. If not, try any other switch that may affect the channel, like the 2ch/ 4ch input mode switch etc. This should indicate if the switch is problematic. No need to open the amp. If the switch has an issue you could spray some contact cleaning fluid and exercise the switch a bit to rectify.
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Old 7th July 2009, 18:21   #9537
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My amplifier kenwood KAC-X650D is not powering up after car was left in open parking due rain water damage. where can i get it repaired in mumbai. Its fuse didnt blow but there is water entering traces on body at the input connector area.
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Old 7th July 2009, 21:21   #9538
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@gigy, you are the master DIY guy - you don't need external help. If it is under warranty, trust only the authorized service center.

* Disconnect completely and open the cabinet carefully
* Use a hair dryer to dry any left over moisture
* Inspect for stains & salt deposits
* Using ear-buds and distilled water, carefully swab away any visible deposits
* Dry the whole stuff once again and put it back together
* Power it up without audio connections and check if the lamps light up
* If lamp does not go on, use a multimeter to check whether PSU is powering
* Hopefully everything works after the cleanup

All the best!
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Old 7th July 2009, 22:18   #9539
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one question - I had seen mobiles being repaired with a particular solvent being applied with toothbrush.

The same has worked on multiple phones over the years. Why not something on that account rather than distilled water?
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Old 7th July 2009, 22:18   #9540
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Thanks for the support, but i am no master. just learning things the hard way. Have opened its back panel and kept for drying, didnt find any burn marks, only two small spots of salt deposits, hope it works.
Had earlier checked it without any input/output. turn on and power were available, but it was completely dead, no fault codes of input short.
I dont want to hunt for another 5 channel amplifier again. i have cleaned it with electrical contact cleaner.

Last edited by gigy : 7th July 2009 at 22:19.
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