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GNAV10 Technical help needed.

 
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Ron21
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Joined: Sep 24, 2005
Posts: 26

PostPosted: Sat Nov 19, 2005 12:07 am    Post subject: GNAV10 Technical help needed. Reply with quote

Can anyone offer some technical assistance regarding a Goodmans GNAV10.
I have emailed Goodmans technical support four times over the last four weeks and had no response. Below is a copy of the mail I have sent to them.

Dear Sir / Madam.
I have a Goodmans GNAV10 Sat Nav Unit. I telephoned your spares department to inquire about purchasing an additional in-car charge for this unit, but was told that one was not available. I have since purchased a 5v, 2amp charger via the internet, but inadvertently (momentarily) connected it to the GNAV10 with the DC polarity reversed. The unit will no longer power up from the battery alone, when connected to the external 5V the unit will power up for about 15 seconds (with the welcome screen) and then powers down.
The diode across the 5V input jack is intact, but there appears to be damage to a transistor / component on the circuit board. Please see attached photo.
Could you please offer some advice.
1. Could you tell me the specification of the damaged component in the photo.?
2. Are you able to sell to me a replacement component ?
3. In your opinion is further damage likely to have been inflicted on the unit ?
4. Can you estimate a repair cost if I was to return the unit to you ?


I would be very grateful if there is anyone reading this who is :-
1. willing to open up their GNAV10 unit and give me the spec / details printed on the damaged component. I’m able to email a photo of the circuit board showing the damaged component.
2. able to offer any further advise.

Thanks in advance
Regards
Ron21
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