hey, this are the equations i got them from my k map , but when i implment them

Question

hey, this are the equations i got them from my k map , but when i implment them using multisim program it does not work , can you just tell me where is the problem in my circit .
these are the equations :

JA = KA = X QB QC

JB = KB = X QC

JC = KC = X

Grn Designl Multisim [Design 1l En le Edit View Place MCU Simulate Transfer Iools Reports Qption Window Help VCC 9.0V Wppy 13.1 mw Key A Voltage regulator Timer C1 C2 R2 RO R3: C3 Designl. For Help, press F1 AND3 JA QA U2 AND2 JB bel DCD-3TO8 U6 01:03

Explanation / Answer

The problem is with your flip-flops.

You have not connected the SET and RESET pins of flip-flops to the corresponding values/voltages.

Try connecting these SET and RESET pins as SET and RESET pins to logic '0'.(if your SET , RESET pins are active high functional).

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