Question about Emerson CKA1000 Clock Radio
Recently the readout starting flashing continuously. Removed the unit fro AC and replugged but it still flashes. Any suggestions? Thanks
Power supply C554, a 100uF 16V electrolytic capacitor seems to be under rated for ripple current and dries up. It does not vent or deform. Replacing this capacitor with a 2200uF 25V electrolytic capacitor completely fixes the problem. If you cannot find a part that is physically small enough, you can connect some insulated wire leads to the capacitor and tack solder them to the place where C554 mounts. Locate the part in the space close to where the power transformer resides, but make sure it will still fit when you close the case before you commit to a location. Secure it with a drop of hot melt glue. This fix restores proper operation to the clock - even without a battery installed. Note: another symptom of this problem is that the clock works with a fresh battery for a day or two, then resets to the "Zone 1" display, finally then blinking "Zone 1" continuously as the battery dies. The problem is NOT the "watchdog" or any other part of the circuitry. It is the lack of filtering of VCC causing the micro to go through resets when the supply droops.
Posted on Jul 16, 2007
A 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
The service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Tips for a great answer:
Jan 01, 2014 | Niles Audio MS220 Surface-Mount IR...
Nov 14, 2010 | Toyota Sienna Cars & Trucks
Oct 23, 2010 | Dishwashers
Jul 20, 2009 | LG 26LX1D 26 in. LCD HDTV
Apr 08, 2009 | Watches
Mar 27, 2009 | JCPenney Watches
Dec 28, 2008 | Computers & Internet
Dec 25, 2008 | GE Advantium 120 Convection/Microwave Oven
Mar 09, 2008 | Sony Cyber-shot DSC-W55 Digital Camera
Dec 06, 2017 | Emerson CKA1000 Clock Radio
Mar 14, 2017 | Emerson CKA1000 Clock Radio
303 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: