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TS-570, .
When the transceiver is turned off, there is a momentary increase in back-up battery current drain. In addition, if a personal computer is connected to the transceiver, excessive back-up battery current drain can occur when the transceiver is turned off. The following circuit changes will eliminate the increased current drain.
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https://www.mods.dk/print.php?Articl...d49a13c6834978
mods.dk, (425)
https://yadi.sk/i/MB8zQ6zaPcVmxA
, 3
"Units with a number 3 stamp on the outside box were already modified at the factory."
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73 RV9UP
P.S. . . - . 1984-1985 ..
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