Question about NEC Mitsubishi MGE 2900 Generator- Voltage Regulation:AVR. Frequency: 60

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Where can you purchase a AVR board in Canada?

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My problem is: impossible to find elctronic board to repair my HarmanKardon AVR 2550


These units are not like the for example new TV sets where all that is sold is a board/s. Component level repair in most cases, suggestion is if want to keep it have a tech or a shop look at it and get an estimate.

Dec 17, 2012 | Harman Kardon AVR 2550 Receiver

1 Answer

PM0557523 7500 WATT Vertex Coleman missing Capacitor.Need a wiring Diagram for AVR.0065649 Board I have a new capacitor comming and new Diodes.but I dont see where the wires conect to the AVR board?!


There are at least two AVRs for this generator. The original AVR has the diodes mounted on an external heat sink. The updated AVR has the diodes mounted directly on the circuit board. I have a schematic of the original model with the external diodes but it doesn't have the values or parts on the schematic. I will be more than happy to e-mail you a copy of what I have.

Oct 26, 2011 | Coleman Powermate Powermate 5000W...

1 Answer

Will the Garmin muvi 205W work in Canada?


Assuming the unit was purchased in the US, no, it will not navigate Canada without purchasing Canada maps. These are available for purchase at www.garmin.com, or at your local GPS retailer.

Feb 28, 2010 | Garmin nuvi 205W GPS Receiver

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I has one receiver Harman Kardon AVR 85 so i need a part to repair so where i buy it ?


What part and what country are you in?

Contact HK directly:

http://www.harmankardon.com/EN-US/Support/Pages/SupportOverView.aspx

Hope this helps as some older parts are getting scarce!

Jan 12, 2010 | Harman Kardon AVR 85

2 Answers

I have a harman kardon avr 745....looks frozen


My device is AVR 645, but AVR 745 has the same power regulator board and you could check, if the problem is there.
(AVR 645 volume blue light was not pulsating)
When device is turned on, it shows all display indicators,
no blue light on volume button and no response to any remote or front panel buttons.
Reason for failure:
No 3.3V and 5VD voltages.
I checked bridge rectifier D701 on power regulator board.
One of the diodes was shorted. Also fuse F702 was blown.
Original D701 is KBU6G, but because regulator board is a bit difficult to get out, I decided to use KBU8G. The only difference is Amps rating 6A versus 8A.
Be sure to use SR-5-3.15A fuse to replace F702 and use heat sink paste (you know where) when board is reinstalled.
There is large heatsink in the middle of the receiver. Power regulator board is mounted on the right side of that heatsink. It is down there near the front panel and to get it out you most probably first have
to remove two PCBs hindering access to some regulator component screws. Here are pictures to clarify situation:

harman-kardon-avr-745-looks-frozen-igzigj2finjgh1nndvq1cugs-5-0.png harman-kardon-avr-745-looks-frozen-igzigj2finjgh1nndvq1cugs-5-1.png

Oct 26, 2009 | Harman Kardon AVR 140 Receiver

1 Answer

AVR board is burnt out


AVR burn out is the most popular problem with electricity supplyment....
replace the AVR...if it burnt out shortly after words..then u have a problem with the rpm of the engine...if not..then its just a AVR burnout..
don't hesitate to write to me for further information:
sal_kh_sab@yahoo.com

Sep 27, 2009 | Coleman Powermate Powermate 5000W...

1 Answer

Harmon Kardon AVR 230 produces no sound and no monitor out.


you do not have +17v and -17v on transformer board the top two fusible resistors are blown and the cap between them needs to be replaced as this cap probably shorted and caused resistors to blow. easy fix

Jun 04, 2009 | Harman Kardon AVR 230 6.1 Channels...

1 Answer

Denon avr 1507 no power


still under factory warrenty if its actualy a new model and a new purchase.

Aug 01, 2008 | Audio Players & Recorders

2 Answers

Denon AVR-3000


First, check your balance control and make sure that it is centered. Next, you might have anything from a bad output relay or fuse to a bad driver/component...accordianman

Oct 25, 2007 | Denon AVR-2106 Receiver

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