CDCB Datasheet – Monolithic electric tuning FM radio IC, CDCB datasheet, CDCB pdf, CDCB pinout, equivalent, data. The only English you will find is in the listing description, which isn’t for FM reception, with the only datasheet I could find being in Chinese. The IC type is YD I tracked down a datasheet and put it on my site. Looks like a good project. Use a fine-tipped iron and keep the tip clean.
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A flat bladed screwdriver helps.
CDCB Datasheet PDF ( Pinout ) – Monolithic Power FM radio tuning circuit
For this, stick the wire through the slot in the rear of the casing, and the screw hole end of the antenna through engoish slot. Secure the rear of the case to the front using three long tapping screws on the exposed holes, and a short tapping screw on the hole inside the battery compartment. I did have problems with the jack but left it misaligned.
January 17, at 5: Continuing on, the board is completed with the population of resistors. Take note of the orientation, insert, bend leads, solder and clip leads until all the electrolytics are mounted. We start by first emptying all components into a plastic bowl so they can be sorted through.
The radio is out of tune!
CDCB Datasheet ETC pdf data sheet FREE from
I suppose I could disable the scan and just use a very small variable cap. Align the switch and use one of the two identical machine screws to fasten.
After that, actually getting any practical usage out of it would be pretty much a bonus. Recommendation for power module 2.
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Sometimes, because of production reasons in both my kits the capacitors can become unmarked for some reason. Id like to mount this and hide it well in one of the early empty radio cabinets ive picked up. Rather unimpressively, each kit comes in a bubble wrap package. My board looks like this — ready for the population of resistors. The reamed hole first the jack a lot better. November 24, at 8: Arduinos nano wireless sensor network 3.
FM radio cdgp datasheet circuit Thank u for the English datasheet and discussion. Once roughly in place, you can take the AM-FM mode switch, deburr the plastic and push it through the exterior casing over the switch. Superglue is not preferable because it cracks when the case is flexed, but should still work somewhat adequately. Then secure this with the other identical machine screw. I would be very grateful if someone could help me. By now, most of the remaining components are resistors or capacitors.
Finally figured out K1 and K2 are momentary pushbuttons. Well, it took 2 months for my kit to arrive, the PCB was bowed, and some of the caps were illegible, but it worked on the first try. Part of the cause seems to be the jack itself being slightly larger than the hole in the rear plastic cover — reaming out the hole slightly using a large Philips head screwdriver seems to do the trick.
Keep the terminals loose on your bench and solder a red wire to the positive and black wire to the negative.
Do the soldering with the antenna on the benchso not to melt the casing, and ensure adequate heat. Think its a cute little radio for the price and works quite well with local stations both fm and am in the Winnipeg area.
Project: Paeansonic CF210SP CD9088+CD7642 AM/FM Radio Kit
Instead, you will have to solder the yellow wire to the arm next to the screw hole, making sure the solder is low profile not to interfere with fitting the antenna through engilsh slot. Will see if it works as well as yours did. Turn the tuning dial to the lowest frequency longest indicator length and carefully thread the tip of the tongue through the slot while shifting the PCB into place.
Looks like a good project. However, you might encounter some critical issues here.