Thanks a lot Sid_d and Michael,
I configured my tv remote without prolems.
This is my lircd.conf :
# Please make this file available to others
# by sending it to <lirc@bartelmus.de>
#
# this config file was automatically generated
# using lirc-0.9.0-pre1(default) on Fri Jan 9 23:21:22 2015
#
# contributed by romvise
#
# brand: Samsung /etc/lirc/lircd.conf
# model no. of remote control: AA59-00741A
# devices being controlled by this remote: Raspberry Pi
#
begin remote
name /etc/lirc/lirc.conf
flags RAW_CODES|CONST_LENGTH
eps 30
aeps 100
gap 108123
begin raw_codes
name KEY_VOLUMEUP
4572 4489 580 1652 592 1636
610 1660 583 531 597 519
601 537 600 520 589 539
582 1618 629 1640 607 1667
595 516 591 530 592 512
626 498 626 500 610 1636
608 1675 566 1661 585 535
589 535 589 527 590 513
612 536 586 540 585 533
591 535 586 1657 588 1660
586 1662 582 1657 590 1659
586
name KEY_VOLUMEDOWN
4554 4479 591 1656 612 1608
605 1648 642 472 614 533
579 521 641 483 631 515
585 1655 614 1619 601 1641
608 508 616 533 585 517
646 472 624 524 586 1660
589 1656 588 510 640 1627
593 531 588 526 597 534
627 496 589 523 597 533
601 1650 586 535 589 1655
587 1646 602 1658 581 1660
593
name KEY_PLAY
4544 4495 584 1654 596 1650
660 1578 594 537 587 532
662 453 641 473 609 519
665 1576 622 1645 633 1613
585 516 648 495 596 531
583 519 641 508 615 1626
586 1659 595 1640 635 494
600 528 585 544 603 1636
585 513 643 506 597 525
585 537 623 1624 586 1645
604 1654 613 508 606 1641
607
name KEY_PAUSE
4570 4469 630 1621 594 1656
592 1652 595 510 660 482
598 502 611 512 674 449
611 1658 613 1607 616 1629
639 483 652 488 597 510
608 538 616 484 611 535
584 1647 603 533 592 1652
588 535 589 530 588 1661
586 513 627 1644 585 523
599 1658 584 540 584 1657
588 1663 605 511 610 1638
585
name KEY_STOP
4574 4458 614 1632 647 1620
590 1641 634 505 588 515
647 487 595 539 608 506
631 1605 603 1645 606 1657
585 514 624 524 588 537
584 513 614 535 583 548
578 1658 585 1652 597 534
588 539 584 513 629 1644
585 526 603 1654 586 535
622 503 596 1648 599 1653
587 1633 608 535 587 1659
589
name KEY_RED
4567 4490 618 1623 582 1638
654 1591 632 490 675 471
584 548 579 510 642 508
581 1640 621 1623 611 1633
638 490 601 543 584 531
624 479 611 538 587 511
611 536 615 1632 586 1642
604 532 594 1652 586 1658
583 541 585 1665 583 1638
605 535 590 535 586 1658
591 533 588 534 592 1653
587
name KEY_GREEN
4544 4467 601 1656 587 1654
595 1652 586 512 618 521
598 535 619 479 614 534
585 1657 590 1657 586 1634
608 540 585 512 633 514
581 568 559 517 621 524
582 542 583 1659 595 531
584 1660 587 533 608 517
588 537 585 1657 587 1661
591 527 592 1652 592 532
593 1653 590 1661 583 1655
593
name KEY_YELLOW
4634 4414 627 1621 602 1652
590 1623 641 506 610 513
586 512 645 501 618 506
593 1650 639 1609 582 1660
629 494 605 517 586 538
624 499 608 514 582 1641
636 509 585 1657 631 495
596 1647 604 522 613 509
585 536 584 540 618 1626
585 528 625 1630 582 521
621 1642 585 1660 614 1630
586
name KEY_BLUE
4600 4456 618 1595 620 1652
620 1621 570 555 620 487
630 496 580 555 622 491
604 1652 617 1626 596 1624
646 507 590 525 572 548
629 499 593 530 570 530
650 1609 596 1662 615 503
593 1647 569 557 616 505
595 527 568 1678 601 521
588 528 628 1625 592 506
594 1676 594 1647 575 1672
584
name KEY_PREVIOUS
4582 4461 596 1660 600 1621
608 1664 583 510 606 565
563 514 656 465 643 504
586 1635 615 1632 642 1610
602 535 620 487 607 511
609 535 602 500 608 1655
616 509 619 1629 585 512
635 490 610 538 583 1644
604 535 584 535 605 1642
607 515 595 1652 586 1646
599 1652 595 509 606 1648
603
name KEY_NEXT
4564 4495 579 1655 590 1661
583 1655 591 514 602 536
588 517 645 478 605 543
581 1642 608 1656 588 1662
581 539 584 518 638 496
604 521 592 536 609 510
596 532 587 513 652 1616
587 532 613 513 593 1653
587 523 606 1651 596 1649
588 1656 588 520 614 1646
587 1667 579 537 584 1662
583
end raw_codes
end remoteand here my lircrc :
begin
prog = irexec
button = KEY_PREVIOUS
config = mpc prev; mpc play
repeat = 0
end
begin
prog = irexec
button = KEY_NEXT
config = mpc next; mpc play
repeat = 0
end
begin
prog = irexec
button = KEY_PLAY
config = mpc play
repeat = 0
end
begin
prog = irexec
button = KEY_PAUSE
config = mpc toggle
repeat = 0
end
begin
prog = irexec
button = KEY_STOP
config = mpc stop
repeat = 0
end
begin
prog = irexec
button = KEY_VOLUMEUP
config = mpc volume +1
repeat = 4
end
begin
prog = irexec
button = KEY_VOLUMEDOWN
config = mpc volume -1
repeat = 4
end
begin
prog = irexec
button = KEY_RED
button = KEY_RED
config = sudo halt
repeat = 0
endRoberto