CD Datasheet – 1-Chip FM Electrical Tuner IC, pdf, pinout, equivalent, replacement, schematic, manual, data, circuit, parts, datasheet. The YD is a bipolar integrated circuit for use in mono portable and pocket radios. It is used when a minimum of peripheral components (of. cd datasheet, cd datasheets, cd pdf, cd price, cd buy, cd stock.

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It is used to drive the headphone jack which disconnects the internal speaker once a headphone plug is plugged in. I agree about the SMD Hot air re-flowing.

The educational value, however, is a little limited without explanations.

(PDF) Cd9088 Datasheet download

The plastic casing is light, slightly weak to flexing and has a tendency to resonate at certain frequencies causing a buzzing sound at higher volumes.

Do not touch the antenna or you may be burnt! The paper substrate also likes to discolour with such heating and smoke. But at least they did dqtasheet the jack. I did have problems with the jack but left it misaligned.

Rather nicely, the PCB is a single sided paper-type board with silkscreening on both sides which is very descriptive, and solder mask on the rear. Once that is soldered into place, you can breathe a sigh of relief as the worst part is over.

At this stage, we are ready to make the final connections and assemble cdd9088 unit. Hopefully if they forget to include the data sheets, I can print out yours.

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Do not fit them into the casing until ccd9088 are cool, otherwise you will melt the plastic casing! As an experienced kit builder, I wasted no time in getting started. The reamed hole first the jack a lot better. For speaker used twisted pair. June 15, at Start by securing the PCB to the front of the case using a short tapping screw on the stud in-between the volume and tuning dials. The other two battery terminals form the positive and negative. Samples of the audio as recorded fd9088 my Zoom H1 recorder are here.

September 8, at 1: February 5, at 7: The schematic as listed is shown above. The best rule of thumb when assembling circuit boards is to start with the lowest height components and progress to the tallest ones.

In the case of this kit, this specifically includes:. I must have used the wrong screw for the antenna as it became loose and I ended up replacing it with a self tap of slightly larger size.

Small flat-blade screwdriver to perform the variable-cap tuning procedure. There is also a jumper wire marked with a J — this can be made with a scrap electrolytic capacitor leg. That leaves the TDAwhich is a stereo datasyeet amplifier chip to drive speakers and headphones.

fatasheet In my case, I ended up substituting a salvaged from another piece of broken equipment … but this is dahasheet having two kits with the intention of making just one might be useful.

Click for more about me! The pleasure is probably only the build, test and hearing something from it or breaking it. Some of the hardware has a habit of shifting in place during soldering. 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.

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I have also had issues in getting the stations in the right place on the dial. Next, try to close the case hooking over the headphone out jack first, and then clipping in the tuning dial side. Dattasheet for the UTC as well. Hot melt glue, or superglue to stick the speaker, ferrite rod antennas into place.

CD Datasheet – 1-Chip FM Electrical Tuner IC

Conclusion After enjoying repairing a few AM radio kits, I embarked on a challenge to build a cheap Chinese dual-band radio kit.

Next thing was to solder a pair of yellow wires to the positive and negative of the speaker. I wonder if adding some holes in the back of the case would help. A capacitor is hence a 10 pF capacitor, or 0. 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 cd0988 with fitting the antenna through the slot. Cool kit and fun to build.