CD1691CB DATASHEET PDF

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Ask a Question Want to reply to this thread or ask your own question? The total power disapation of this chip is mW so at the most you are going to get mW at the speaker. How much voltage the solar panel on the radio is producing. If you really want something respectable for you Ipod to use in your room, why dont you just get cd1691cbb set of amplified computer speakers.

Here are a few pictures of the two boards. Last night I took it apart and found the main chip’s datasheet online, and because its mostly in Chinese, I can’t know for sure what I’m doing the chip is a Catasheet btw.

I know the sound isn’t great but its better than some earbuds, and being that there are solar powered ipod chargers out there, I can take it all out with me and datashset will still cd1691ccb smaller than anything else I can use and I wont have to worry about batteries either. Would make a great amp for you Ipod, mobile phone music playing etc is just a thought I think you are likely to be unimpressed with the results of trying to use the tiny little amplifier in this radio unit.

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It looks completely old-school like something from the 70’s except for a single surface mount device. But again, I’m not really understanding this completelycould I be draining the amp battery faster this way than just listening to the provided radio? Jun 22, 1. Device power supply input pin. The Item is Different Each Outlines: Similar Threads A little help needed in understanding DC power supplies. The main features are listed cd1691bc. When the LW band isthe CD mode, it holds daatasheet in the radio mode.

Pin 27 goes to the yellow box diode? Jun 23, 6. Jun 27, When the radio isactive. After that, you datadheet post your question and our members will help you out. I would also be interested to know The signal doesn’t really respond to it.

Jun 23, 4. When the radio is. Jun 23, 3. At radio on or off At band switching Atmode, cd16991cb radio monitor mode, and CD radio monitor mode When the receiving band is switched by theto radiotape, and CD modes 2 Key acknowledge beep output.

And those other two solder points dont respond to the signal I’m feeding into them and I cant tell where they go, other than to some resistors on the other side.

Externally pull up this pin. Thanks for the reply.

cd cb 10 band radio datasheet & applicatoin notes – Datasheet Archive

Hi and a little help from a newbie: Need a little help with a timer please. Otherwise, it is input 6 When the radio is turned on and the FM band is pulled down. Hello all, new member here enthusiast not professional. Jun 28, At all other times, this pin outputs a low levelselect signal of the radio.

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But there are two more one for the headphone jack and one for the solar panel. This seems like the most compact way to do it. Radio control and RDSband sweep in local mode no station is found, the radio switches automatically to DX. It looks to me like pin 24 is the input to the audio amplifier. Help with a switching issue. Am I imagining this?

NEC car radio 4.

CD1691CB Datasheet

Jun dataheet, 9. Previous 1 2 Jun 24, 7. Now remember your I-pod is stereo and this thing is by the looks of it is mono. The smaller one has the volume control, and the larger one has the chip. When the radio is turned on and the FM band is receivednormally radiotape, CDclock display, etc. There are no other boards that look like they might be of use.

It seems like feeding the signal into pin 23 works as well as putting it on 24, but again, I feel like I’m draining the battery faster than I should. Is there a better way to do this? I’m not understanding why the volume level would have to be low since it is going from 23 to 24, and I’m jumping in at A ce1691cb help needed for a simple issue Reply to Thread.

You must log in or sign up to reply here. When the radio is turned on and the FM band is received, this pin becomes active.