FIELD: computer engineering, TV devices, in particular, devices for receiving pay TV programs. SUBSTANCE: device has controlled voltage source 21 and control unit 15 for exchange with card 10. Commutator 31, controller 12 are introduced to accomplish the goal of invention. Terminals of controller 12 during reset and clearing are supplied with constant voltage. Unit 15 is designed as controller which terminals are supplied with floating voltage during reset and clearing. EFFECT: simplified design. 5 cl, 1 dwg
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