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On-Line #01
02 сентября 1995 |
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Iron - CDOS-modem may work better. (Revision)
IRON
CDOS-modem may work better
■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■
■ ■ ■ I welcome all users CDOS-modem. Leave this one hundred
Tew I decided after tired to explain over the phone: that need
to do to the modem to accept files without a "seizure."
It all started with the fact that my modem, having served
faithfully a year, suddenly ceased to take more than one file
at a time (Zaraza!). Buying a new nothing has given (the same
effect). Then I picked up the tester, poyalnik, tweezers, a
hammer, chisel ... To gather his thoughts, and began to
experiment over a modem.
LED "reception" (the first from the corner, the last of the
transformer pa) was burning, even when there is no signal. All
attempts to cut high-frequency signal through capacitors do
not give good results (the modem was working fine, but took
ill). And then I tried to change the resistance to lifting UD2B
zero (5 foot UD2B): The LED is off, the modem has to take
normal. The direction of modernization has been received, and
I vypayal two resistance R1 and R2, replacing them with a
variable resistor R3 (See Fig.)
In 5
D
2
555LL1 R1
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