Find great deals for Ali M A1 MCU 8 Bit MTP Micro-controller. Shop with confidence on eBay!. M M 8-bit MTP Micro-controller instruction-set compatible 8-bit Taiwan Tel: + Fax: + ALi M contains the following: a) a non-volatile. 64K bytes Multiple Times Programmable ROM program memory. b) a volatile bytes read/write.
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The big problem is, of course, how to program that IC internal flash. Checked again all connections that I touched on first repair and everything was fine.
Find More Posts by mmartell. South Africa Line Voltage: I received the pair of controllers last friday, I replaced them and now it works fine. But then I see that 5V rail in front board is shorted!
All times are GMT Local NAD distributor says that the part is obsolete. Same thing happenedlightning storm and nothing was plugged in The basic rule of thumb here is that lightning doesn’t break just one IC.
This sucks, I know. No external Flash or ROM, so its program is in internal flash. Originally Posted by keeney Yea, that m67559 a lot of money.
NAD support in South Africa went for runner. United States Line Voltage: I noted the post was inbut taking a chance here.
Definitively my most frustrating repair of Originally Posted by Chungalin. Find More Posts by battlecat.
Find More Posts by Chungalin. This complex and crappy receiver is dead after a storm. Windsor ON My Country: Remember that this was a storm failure, so it was too good to be true that only microcontroller was hit. The time now is Still it is cheaper than a refurbished unit or a new one.
This goes to Front board and then to Main, where voltage regulator U produces 5V for microcontroller.
I still have it sitting here, because lightning damaged something else in digital board and I found too overwhelming to face it. Find More Posts by keeney Disconnect board completely and apply external 5V to it, with some alcohol on top of every IC that eats 5V.
I guess lai depends m6795 how much you enjoy music from it and if you can afford it. Is there any change you could alk the details of the supplier for this chipset for the NAD T?
This comes from a 74HCD multiplexer U that selects one from 6 digital inputs. Find More Posts by Longbow. Thanks, I already had these documents before posting my message. U heats very quickly. I had the hope that only digital input multiplexer was damaged, but now it works OK and still cannot detect any digital input.