There are 6 screws in total. One is hidden behind the label on the back in the centre. Also one is in the middle of the battery compartment. Once all six are removed one will most likely find that one or more of the gear(s) is broken.
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This could be as simple as a connector working loose. You need to open the radio by removing the 4 screws in the back of the case (2 are under the handle, and one is in the battery compartment). These screws are identified by a small arrow pointing at the screw hole. Once the screws are out, gently pry the bottom out first (the top has the catches in it), then pull down slightly and remove the back side of the case. there will be one wire on a connector going to the battery compartment you will have to disconnect before the back of the case is entirely free.
After the case is open you will have access to the connectors on the RF board. Make sure all 4 connectors are fully seated. There is another connector under the RF board going to the processor/display board you will need to check if the other 4 connectors are OK. You need to remove the 5 screws holding the main board in place so you can remove it to check the last connector.
You do not need to reassemble the radio to check to see if this has worked. You can plug the AC adapter in and test by pressing the power button.
If this does not work, there is a fuse you can check. These rarely fail, but it is possible. The fuse is located near the external power receptacle, and is mounted on the component side of the audio/potentiometer board. This is the circuit board with the volume, bass, and treble controls on it. You will be looking at the solder side of this board, but by tilting the radio up (with the back cover off) you cann see enough under the board to see the fuse. You can pop it out of its holder and check with an ohm meter.
After removing the 6 screw, gently slide the front panel out of the box. Now disconnect the little 2-way connector with a black and white wires: it should be the more tight cable between the front cover you have just removed and the rear panel. Now slip-on your fingers in the box and push the rear panel up to slide it off the box, so that you can turn gently the front panel, pass it through the box and get the electronic completely apart from the wooden case.
I had this problem. The jog dial just stopped functioning. I repaired it by doing this:
1. Remove the batteries and leave the battery cover off.
2. Remove the case screws from the radio using a jewelers sized Phillips screw driver. There is one screw inside the battery compartment.
3. Gently separate the two halves of the radio just a few inches. Remove the wrist strap; it will just be laying over top of a screw post.
4. Inspect the wring of the jog dial. You will note several wires soldered to the dial, including one small bundle of wires leading from the jog dial to a white plastic connector on the faceplate of the radio.
5. Study the bundle of wires from the jog dial to the faceplate. Is it twisted? Has it been crimped inside the case? Smooth and straighten the wires with your fingers gently. Remove severe bends.
6. Detach the small white plastic connector from the faceplate and untwist and smooth the wires. The connector should slip off easily. Now clean the metal pins that the connector mates to with a Q-Tip. Seat, remove and re-seat the connector 3 times to scrape off any built up corrosion. Ensure the wire bundle is smooth and untwisted and reattach the connector.
7. With the radio still apart, reinstall good batteries. DO NOT USE AC POWER! and check that you have returned the proper function of the jog dial.
8. Reinstall the wrist strap over the top corner post and carefully mate the two halves of the radio together. Continue to test and check the jog dial as you seat the halves together. Reinstall one or two case screws at a time, checking that the dial still functions until the radio is fully reassembled and the case is tight.
On the back panel, there is a black decal located near the center. Warm this decal with a hair dryer (warm it, don't get it hot)Slip a knife blade under the right side and lift it up. Remove the hidden screw under the decal, and the the other five and the back will come off. replace the FM antenna and you are good to go. I had the same problem. mcarmich
Blast from the past. Those screws are balance screws. You have to work on it from the bottom. There is a belt that spins the assembly you will have to replace probably. Be careful though cause when you work on these they tend to drop out unexpectedly etc. Hope this helps.
I had the same problem with the case not coming apart after I took the screws off, but thanks to someone posting a suggestion on this website, I was able to take it apart and take care of the problem. Use a soft mallet and use it around the seam of the radio until it pops loose.
By the way, my original problem with the radio was that it would not get any power at all, whether using the power cord, or an 18v battery. I was able to fix the problem by replacing the fuse located inside the case (250v / 1AMP)......works great now!! Many thanks to all of you who posted suggestions on this great website!!
There was a fuse inside - Replaceable - fixed the problem.
There were no hidden screws, none under stickers or in the battery box like suggested by others, and the 2 magic release screws not so. There are several deep screws requiring a long philips, but the entire seam is glued (why?) so to open the radio I had to hit the body near the seam with a rubber hammer to crack the seam loose once all the screws were removed, comes right apart. Put it back together without glue, just the screws, it will be fine.
In the original big black Baygen radio there is a blue wire with a solder joint that breaks. This wire shunts part of the load back to the generator and prevents it from running to fast and going over-voltage. I am guessing that a similar problem is affecting your newer smaller radio. On the original radio after you take the two halves of the case apart there is a blue wire that comes from the 3v input jack on the back half of the case and goes to the radio circuit board near the top corner. The solder joint where the wire is soldered breaks easily. With this wire broken the generator will run to fast because there is very little load. The radio will still play if you slow the generator with your hand as it is playing back. If you resolder this wire the radio will work and the generator will run at the proper speed. This takes only a moment or two.