Technobeam Problems

I've been given some techno's to play with that are 'dead'.

One powers up with: |\ |\ |\ |\
. . . .
on the LCD. Fan spinning.. no other leds lit.

The other powers up with fan, all led segments on, and the motor led lit. I'm thinking from reading other messages both should be crossloaded however I only have a Technobeam i. I've googled for a service manual to no avail. :/

I would appreciate any help or suggestions anyone could provide.

~Bill
Parents
  • 0
    Do you have the version with the 3773 drivers? Mouser electronics is about the best I have found . . . same day ship, no minimum, and the 3773 goes for $3.42 in singles . . . . .

    www.mouser.com/ProductDetail/NJR/NJM3773D2/?qs=sGAEpiMZZMvYc73DDAmzVrSGEIgrGtl7w%252bg4E6DFSXE%3d

    Glad you figured it out, too . . . these chips can fail to a short circuit, and pull the power supplies down . . .

    - Tim
Reply
  • 0
    Do you have the version with the 3773 drivers? Mouser electronics is about the best I have found . . . same day ship, no minimum, and the 3773 goes for $3.42 in singles . . . . .

    www.mouser.com/ProductDetail/NJR/NJM3773D2/?qs=sGAEpiMZZMvYc73DDAmzVrSGEIgrGtl7w%252bg4E6DFSXE%3d

    Glad you figured it out, too . . . these chips can fail to a short circuit, and pull the power supplies down . . .

    - Tim
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