Chrislittle Posted November 22, 2010 Share Posted November 22, 2010 Hi Got a masterpiece that keeps losing its memory and it's starting to get more frequent. Believe this may be due to the battery and being relatively old. Does any one know how to change this or could point me in the right direction? It currently has a VARTA Ni-MH 2.4V 120mAh battery soldered to the circuit board Cheers Chris Link to comment Share on other sites More sharing options...
LXbydesign Posted November 22, 2010 Share Posted November 22, 2010 The battery is rechargable and is charged by leaving the unit on. It needs 60 hours to toally recharge. If need replacement then its a case of un solder the old and resolder the new! Bit of a fiddle but thats the way it is! Link to comment Share on other sites More sharing options...
Chrislittle Posted November 22, 2010 Author Share Posted November 22, 2010 Hi, Ok thanks, the unit runs for approx 12 hours a day so I assume it will charge during that time aswell? Does the unit have to be on while changing the battery or can it be off? Link to comment Share on other sites More sharing options...
marktownend Posted November 22, 2010 Share Posted November 22, 2010 I assume you've got a memory card with your programmed show on it so you don't need to worry about any continuity? You most definitely do not want the unit on or even plugged in as you change the battery as you'll have the top cover removed and don't want to frazzle yourself. From what I remember desoldering and resoldering the battery is fairly easy but what is a bit of a pain is getting access to the underside of the PCB. Do-able but fiddly. Last time we got the batteries from Rapid Electronics, product code then was 18-1562 but no idea if that's still correct. Link to comment Share on other sites More sharing options...
TheLightsTech Posted November 22, 2010 Share Posted November 22, 2010 Back up to card, turn off console, unplug, disassemble, desolder old battery, resolder new-- I'd advise using an alligator clamp (small one) on the battery leads to act as a heat sink as they are rather heat sensitive, reassemble, done. Also, the larger concern with working on a console live is frying something, not necessarily yourself. The majority of the circuitry is low voltage (all on some desks) and in-depth troubleshooting almost always requires metering various circuits, some under power. However, if you are asking how to replace a battery, you're not ready for this level of troubleshooting anyways. Link to comment Share on other sites More sharing options...
Chrislittle Posted November 23, 2010 Author Share Posted November 23, 2010 Ok cheers guys will give that a shot when I get the old one out of the rack. All comments much appreciated Chris Link to comment Share on other sites More sharing options...
greenalien Posted November 23, 2010 Share Posted November 23, 2010 If in doubt, get Pulsar to do it, they offer a good service and aren't expensive. Link to comment Share on other sites More sharing options...
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