LM Sanyo Semicon Device datasheet pdf data sheet FREE Datasheets ( data sheet) search for integrated circuits (ic), semiconductors and other electronic . LM min typ nax unit. *. mA. mA. mA. MA. mA. *. * Electrical Characteristics at Ta= 25°C,Vss=0V,VOD=-9 to – 15V. Output ‘H’ Level Current. ALARM. LM datasheet, LM pdf, LM data sheet, datasheet, data sheet, pdf, SANYO, Dual – Alarm Digital Clock.
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May just be crazy enough to lm88363, I did not check the pincount though. I got a soldering iron coming on Monday so I will post back and let you know how I go. Also, for 50Hz, I think you want to tie pin 26 to ground Vssnot power pin.
The has 28 pins. So it should work down under without the missing part. You must log in or register to reply here.
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Just thought that they may have placed a jumper at the main board somewhere to simulate the switch if they knew it would be sold it a 60 Hz land like North america. Hero Banned May 30, I went ahead and checked the pinout.
That’s why I’m wondering if your notations are correct. The startup time is usually less than 1 second when using a crystal with the specified characteristics. Or tell me what I need to buy to make it run at 60Hz? Upon opening the baby up and dataaheet a quick look around it would appear that there is something datasgeet on the PCB board that should link point A and Point B to convert the 50Hz to 60Hz.
For one alarm output, DC output signal is provided.
LM Datasheet PDF – SANYO -> Panasonic
I found 2 chips one on the radio and the other just behind the display of the clock. Bender, You’ve got that the wrong way round. Try Findchips PRO datssheet clock alarm circuit diagram using lm Here is the pinouts. No abstract text available Text: Here is dattasheet back of the PCB, sorry for the low res image, I took it from my mobile phone. Thanks for the heads up!
Therefore, a requirement when using. Battery backup On-chiphour system Power failure indicating function All digits flashing Clock noise suppressor.
LM Datasheet – Dual – Alarm Digital Clock from SANYO Electric Co., Ltd.
IIRC, there was 2 version’s of the chip. I think you should leave pin 25 alone. It appears that the black ribbon cable is 4 wires and there are 5 points, one of which is your red trace line from “a”.
Previous 1 2 To participate you need to register. Potentiometer Questions Started by norbss Yesterday at Or that little board and case were used ’cause they had a bazillion of them and the availability of different Hz is not possible, only 60 Hz.
Pad “c” seems to go nowhere. Have you checked the continuity between pins A and B?