Kenwood LS-F30, Service Manual

RXD-M35

10

CIRCUIT DESCRIPTION

Pin No.

Pin Name

I/O

Pin Description

Active

H

L

50

AVDD2

-

Analog power supply for DSL, PLL, and DA output section.

51

AVSS2

-

Analog ground for DSL, PLL, and DA output section.

52

EFM/CK384

O

EFM signal output when IOSEL is H.
16.9344MHz clock output when IOSEL is L.

53

PCK/DSLB

O

PLL clock output (fPCK = 4.3218MHz) or DSL balance output.

54

VCOF2

I/O

Jitter free VCO loop filter pin.

55

SUBC

O

Sub code serial output.

56

SBCK

I

Clock input for sub code serial output.

57

VSS

-

GND

58

X1

I

Crystal oscillation circuit input.      f =16.9344MHz, 33.8688MHz

59

X2

O

Crystal oscillation circuit output.    f =16.9344MHz, 33.8688MHz

60

VDD

-

Power supply for crystal oscillation circuit.

61

BYTCK

O

Bite clock signal output when IOSEL is H.

Stop

Traverse stop signal output when IOSEL is L.

Mode

General IO pin when default.

62

CLDCK

O

Sub code frame clock signal output (fCLDCK = 7.35kHz) when
command is carry out.
General IO pin when default.

63

FCLK

O

Crystal frame clock signal output (fFCLK = 7.35kHz) when
command is carry out.

64

IPFLAG

O

Interpolation flag signal output.

65

FLAG

O

Flag signal output.

66

CLVS

O

Spindle servo phase synchronism signal output.

CLV

67

CRC

O

Sub code CRC checked output.

OK 

NG

68

DEMPH

O

De-emphasis detection signal output.

ON

Re-frame synchronism signal RESY output of frame synchronism

69

RESY

O

when IOSEL is H.

H : Synchronized      L : Non synchronized

70

IOSEL

I

Switching pin for mode.

71

TEST

I

Test pin.

Normal

72

AVDD1

-

Analog power supply for audio output section.

73

OUTL

O

L ch audio output.

74

AVSS1

-

Analog ground for audio output section.

75

OUTR

O

R ch audio output.
• RF signal polarity assignment pin when default.

RSEL is H when bright level is H.

76

RSEL

I

RSEL is L when bright level is L.

• General IO pin when command is executed.

RF signal polarity assignment is set by command.

77

CSEL

I

Designation of oscillation frequency.
H : f = 33.8688MHz    L : f = 16.9344MHz

78

PSEL

I

Test pin (Normal : L ) when IOSEL is H.
SRDATA input when IOSEL is L.
SMCK output when IOSEL is H.    Switching pin of frequency.

H : SMCK = 8.4672MHz

79

MSEL

I

L : SMCK = 4.2336MHz

LRCK input when IOSEL is L. 

H : Lch data,    L : Rch data
SMCK = 4.2336MHz (Fixed)

SUBQ output mode switching pin when IOSEL is H.

H : Q code buffer use mode

80

SSEL

I

L : CLDCK synchronism mode

BCLK input when IOSEL is L.

Q code buffer use mode

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2

8

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4

2

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4

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0

5

1

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1

3

6

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Q

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