Samsung DVD-611/ 511 Service Manual download pdf (Page 22)

Reference Information

Samsung Electronics 2-15

41 PVDD P PLL logic block VDD power supply pin

42 PLCK O PLCK

43 PLLLOCK O Frequency lock detect output (H: lock, L: unlock)

44 EFMRTD O Latched EFM output signal

45 PVSS P PLL logic block VSS power supply pin

46 RVCO I Resistor pin for VCO gain

47 RFD I Gain adjust resister for frequency detector

48 RPD I Gain adjust resister for phase detector

49 VCTL I control voltage for VCO

50 MAGIC0 I Input for controlling hysteresis of the FD output (for testing)

51 EFMOA I EFM offset adjustment pin

52 TZCO O Tracking zero cross output pin

53 SVDD P Servo CPU VDD power supply pin

54 EQCTL O EQ control signal

55 EFMI I EFM signal for test

56 EFMO O EFM signal

57 LPFDVD I Asymmetric input signal for DVD

58 LPFCD I Asymmetric input signal for CD

59 RFI I Rf input signal

60 SVSS P Servo CPU VSS power supply pin

61 AVSS P Analog block VSS power supply pin

62 SME I Spindle error input pin

63 VREF I Reference voltage input pin

64 TE I Tracking error signal input pin

65 FE I Focus error signal input pin

66 ENV I RF envelope input pin

No Name I/O Description

67 TILTI I TILT in (reserved)

68 AVDD P Analog block VDD power supply pin

69 TILTO O TILT out (reserved)

70 DVCTL O Depth variation control signal output pin

71 TBAL O Tracking balance signal output pin

72 FBAL O Focus balance signal output pin

73 SLD O Sled motor drive signal output pin

74 SPD O Spindle motor drive signal output pin

75 FOD O Focus actuator drive signal output pin

76 TRD O Tracking actuator drive signal output pin

77 TZCA I TE signal for tracking zero cross input pin

78 MDOUT0 O Mode data0 out controlled by micom

79 MDOUT1 O Mode data1 out controlled by micom

80 MDOUT2 O Mode data2 out controlled by micom

No Name I/O Description

1 MDOUT3 O Mode data3 out controlled by micom

2 SSTOP/PS0PS1 I Limit switch/sled position sensor input pin0

3 PS1 I Sled motor position sensor input pin1

4 TEST I Test pin (L: normal H: test)

5 COUT O Counter clock

6 FLKB O Focus servo lock signal output pin

7 TLKB O Tracking servo lock signal output pin

8 PSB I 0: 1 Bit, 1: 8 Bit

9 RSTB I System reset signal input pin

10 CSB I MICOM chip select pin

11 DAB I MICOM data/addrs select pin

12 MWRB I MICOM write clock signal input pin

13 MRDB I MICOM read clock signal input pin

14 MDATA0 I/O MICOM data pin0

15 MDATA1 I/O MICOM data pin1

16 MDATA2 I/O MICOM data pin2

17 MDATA3 I/O MICOM data pin3

18 MDATA4 I/O MICOM data pin4

19 MDATA5 I/O MICOM data pin5

20 MDATA6 I/O MICOM data pin6

21 MDATA7 I/O MICOM data pin7

22 SENSE O Internal status monitor pin

23 DVDD P Servo logic & ROM VDD power supply pin

24 XI I System clock signal input pin

25 XO O System clock signal output pin

26 XOUT O Clock out (33.9688MHz) to DSP

27 DVSS P Servo logic & ROM VSS power supply pin

28 SQCK O Clock output pin for subcode data read

29 SQSI I Subcode data input pin

30 SCOR I Timing detection input pin for subcode data read

31 SMON I Motor ON signal input pin

32 LOCK I Lock signal input pin

33 DIRC I

Direct jump control (for 1 track jump)

34 FOKB I Focus OK signal input pin

35 FDCTL I PLL frequency detect control input pin

36 LDONB O Laser diode ON signal output pin

37 DFCT I Defect detection signal input pin

38 MIRR I Mirror signal input pin

39 PLLHD I PLL hold signal from micom

40 INT0_224 O Servo interrupt monitor pin

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Samsung DVD-611/ 511 Service Manual Page 22

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