I have a Bob Beck blood electrification unit that no longer works properly.

There are two IC's inside. One of them is probably faulty.

i have not been able to identify what the IC's are.

They have these markings on them:

Chip ONE has 8 connectors and these markings:
7660D
JRC
7019C

Chip TWO has 8 connectors and these markings:
LM358AN
KL5739

Anyone know what they are.

And can you give me the codes that I can use to buy replacements?

 

LM358 is a low power dual operational amplifier

7660D is a DC-DC converter control circuit

you have the numbers required to cross these, I listed them also.

 

Are the chips DIP or SO? One way to tell is to see if the leads go through the board and are soldered on the bottom. That is DIP. SO is different, the terminals sit on the board, and the component is surface mounted.

First one: 7660 switched capacitor voltage inverter. You can source an equivalent here (DIP8) or here (SO8).

Second one: LM358 dual op-amp. You can source an equivalent here (DIP8) or here (SO8).

 

The Bob Beck "blood electrification unit" sounds like a "Royal Rife" type device, which we don't provide support for.

I suggest that you simply throw the unit in the trash after applying a large hammer to it repeatedly.

 

Are the chips DIP or SO?

Hi tom66,

Thanks for the information.

They are DIP.

How did you find the first link, that's the link to the 7660 DIP type?

When I searched on the digikey site for 7660D I didn't get the same page as you found.

 

Hi tom66,

Thanks for the information.

They are DIP.

How did you find the first link, that's the link to the 7660 DIP type?

When I searched on the digikey site for 7660D I didn't get the same page as you found.

I searched just for 7660 because I know it is a common part, I see it in a lot of products. It rarely fails. It has built in short circuit protection. Unless someone exceeded the maximum input it's unlikely to pop.

 

I searched just for 7660 because I know it is a common part, I see it in a lot of products. It rarely fails. It has built in short circuit protection. Unless someone exceeded the maximum input it's unlikely to pop.

Would it be OK to use any IC that is of the 7660 type?

Or is each one sufficiently different that I should get an exact match to the one already being used?

 

After googling blood electrification and clicking on a single link, I can only repeat

throw the unit in the trash after applying a large hammer to it repeatedly.

before the device harms you or anyone else. After that, repeat said process on it´s manufacturer.

 

This is either a scam or a dangerous device to use. Don't risk harm using it.