Aiwa CDC-X447M Manual de Serviço descarregar pdf (Página 24)

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40 SE I Sled error signal input.

41 TE I Tracking error signal input.

42 CE I Neutral servo analog input.

43 RFDC I RF signal input.

44 ADIO O For test. (Not used)

45 AVSS0 – Ground of analog circuits.

46 IGEN I Constant current input for OP amp.

47 AVDD0 – Power supply of analog circuits.

48 ASYO O EFM full-swing output ("L" = VSS, "H" = VDD).

49 ASYI I Asymmetry comparator voltage input.

50 BIAS I Asymmetry circuit constant current input.

51 RFAC I EFM signal input.

52 AVSS3 – Ground of analog circuits.

53 CLTV I VCO1 control voltage input for multiplication.

54 FILO O Filter output for master PLL (Slave: Digital PLL).

55 FILI I Filter input for master PLL.

56 PCO O Charge pump output for master PLL.

57 AVDD3 – Power supply of analog circuits.

58 VSS – Ground of digital circuits.

59 VDD – Power supply of digital circuits.

60 DOUT O Digital output. (Not used)

61 LRCK O D/A interface LR clock output f=Fs. (Not used)

62 PCMD O D/A interface serial data output (2's COMP, MSB first). (Not used)

63 BCK O D/A interface bit clock output. (Not used)

64 EMPH O

Outputs "H" when disc to be played is applied with emphasis; "L" when disc is not applied with

emphasis. (Not used)

65 XVDD – Power supply of master clock.

66 XTAI I Crystal oscillator input. External master clock is input to this pin.

67 XTAO O Crystal oscillator output.

68 XVSS – Ground of master clock.

69 AVDD1 – Power supply of analog circuits.

70 AOUT1 O Lch analog output.

71 AIN1 I Lch OP amp input.

72 LOUT1 O Lch LINE output.

73 ~ 74 AVSS1, AVSS2 – Ground of analog circuits.

75 LOUT2 O Rch LINE output.

76 AIN2 I Rch OP amp input.

77 AOUT2 O Rch analog output.

78 AVDD2 – Power supply of analog circuits.

79 RMUT O Rch "0" detection flag. (Not used)

80 LMUT O Lch "0" detection flag. (Not used)

Pin No. Pin Name I/O Description

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 33 34

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Aiwa CDC-X447M Manual de Serviço Página 24

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