Sony MDX-CA680 service manual Section Diagrams, IC101 PCM1718E/2K

Page 18

MDX-CA680/CA680X

SECTION 4

DIAGRAMS

IC Block Diagrams

– SERVO Board –

IC101 PCM1718E/2K

XTI

1

 

CLK

20

XTO

CONTROL

 

 

 

 

DGND

2

INPUT

 

19

CLKO

 

 

 

 

 

VDD

3

INTERFACE

MODE

18

MUTE

 

 

 

 

 

 

LRCIN

4

DIGITAL

CONTROL

17

DM1

 

 

 

FILTER

 

 

 

DIN

5

 

 

16

DM0

NOISE SHAPER

BCKIN

6

 

 

 

 

 

 

 

 

 

 

 

15 RSTB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ZERO

7

 

 

 

5 LEVEL

 

5 LEVEL

 

 

14 FORMAT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DAC

 

 

DAC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D/C_R

8

 

 

LOWPASS

 

LOWPASS

 

 

13 D/C_L

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VOUTR

9

 

 

 

FILTER

 

 

FILTER

 

 

12 VOUTL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AGND

10

 

 

 

CMOS

 

 

CMOS

 

 

11

VCC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AMP

 

 

AMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC301

CXD2662R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EFMO

DVSS

TEST3

TEST2

TEST1

FGIN

SPFD

SPRD

 

 

 

SFDR

SRDR

FS4

FRDR

FFDR

DVDD

TFDR

TRDR

LDDR

APCREF

DTRF

CKRF

XLRF

F0CNT

ADFG

APC

DCHG

 

 

 

 

 

100

99

98

97

96

95

94

93

 

 

 

92

91

90

89

88

87

86

85

84

83

82

81

80

79

78

77

76

 

 

 

 

 

 

 

 

 

 

 

SPINDLE

 

 

 

 

 

 

 

PWM

 

 

 

 

AUTO SEQUENCER

 

 

 

 

 

 

 

MNT0

1

 

 

 

 

 

 

 

SERVO

 

 

 

 

 

 

GENERATOR

 

 

 

 

 

 

 

 

75 TE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

74

SE

MNT1

2

 

MONITOR

 

EACH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

73 AVSS

MNT2

3

 

CONTROL

 

BLOCK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MNT3

4

 

 

 

 

 

 

 

ADIP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

72 ADRB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

71

ADRT

 

 

 

 

 

 

 

 

 

DECODER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

70 AVDD

SWDT

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

69

ADIO

SCLK

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XLAT

7

 

CPU I/F

 

EACH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

68

VC

SRDT

8

 

 

 

 

 

BLOCK

 

 

 

 

 

 

 

SERVO

 

 

 

A/D

 

 

 

 

 

 

 

67

AUX1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DSP

 

 

CONVERTER

 

 

 

 

 

 

SENS

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANALOG

66 FE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XRST

10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MUX

 

65 ABCD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

64 BOTM

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SQSY

11

 

SUBCODE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

63 PEAK

DQSY

12

 

PROCESSOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RECP

13

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

62

CLTV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

61

FILO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PLL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60

FILI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EFM/ACIRC ENCODER/

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DECODER

 

 

 

59 PCO

XINT

14

 

 

 

 

 

 

 

 

 

 

 

SHOCK RESISTANT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MEMORY CONTROLLER

 

 

 

 

 

 

 

 

 

 

 

TX

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

58 AVSS

 

16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OSCI

 

 

CLOCK

 

 

EACH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OSCO

17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GENERATOR

 

BLOCK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XTSL

18

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

57

RFI

 

 

 

 

 

 

 

 

 

 

DIGITAL

 

SAMPLING

 

 

 

 

 

 

 

 

COMP

 

DIN0

19

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

56

BIAS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AUDIO

 

 

RATE

 

 

 

 

 

 

 

 

 

 

 

 

 

DIN1

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

55

AVDD

 

 

 

 

 

 

 

 

 

 

I/F

 

 

CONVERTER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

54

ASYI

DOUT

21

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

53 ASYO

DATAI

22

 

 

 

 

 

 

 

 

 

 

 

 

ATRAC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LRCKI

23

 

 

 

 

 

 

 

 

 

 

 

ENCODER/DECODER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

XBCKI

24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ADDT

25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

52 MVCI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ADDRESS/DATA BUS A00 - A11, D0 - D3

 

 

 

 

 

 

51

D3

 

 

26

27

28

29

30

 

 

 

31

32

33 34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

 

 

 

 

 

 

DADT

LRCK

XBCK

FS256

DVDD

 

 

 

A03

A02

A01 A00

A10

A04

A05

A06

A07

A08

A11

DVSS

XOE

XCAS

A09

XRAS

XWE

D1

D0

D2

 

 

 

 

18

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Image 18
Contents Specifications MDX-CA680/CA680XElectrical Adjustments Table of Contents GeneralDisassembly Exploded ViewsLocation of controls Section GeneralSetting the clock US model US model AEP, UK Models Precautions Toyota Section Disassembly Disassembly FlowSUB Panel Assy Mechanism Deck MG-164MA-138 Main BoardHeat Sink Servo BoardMD Cover Assy Float BlockLO Motor Assy Loading M903 Lever LE23 AssyHolder Assy Chucking ARM AssyOptical PICK-UP KMS-241C SL Motor Assy Sled M902, SP Motor Assy Spindle M901Section Electrical Adjustments MD SectionTuner Section Section Diagrams IC101 PCM1718E/2KCXA2523AR IC305 BA6287F IC401 TDA7402TR IC505 BA8270F-E2 Block Diagram Servo Section EFM/ACIRC ENCODER/DECODERBlock Diagram Tuner Section FM/AM Tuner UnitBlock Diagram Main Section 23 a 23 B 24 F 24 E 24 HBlock Diagram BUS CONTROL/POWER Supply Section +B SwitchSignal path Circuit Boards Location Semiconductor Location MDX-CA680/CA680X MDX-CA680/CA680X D558 D560 D601 D609 D610 D612 MDX-CA680/CA680X Schematic Diagram Main Board 2/3 See page 40 for Waveforms MDX-CA680/CA680X K1 S2 K2 Schematic Diagram SUB Board Printed Wiring Board KEY Board Schematic Diagram KEY Board See page 40 for Waveform KEY Board IC PIN Function Description Mvci XrasXWE AsyoSprd SrdrSfdr SpfdVCC XstbyVref WbladjDfctsel ResetEject DpllselUnireq ERROR-PWMLinkoff UnickioKEYIN1 VSMNIL KEYIN0PW on IIC SIOIIC CKO ColswSection Exploded Views General SectionFront Panel Section LCD901Mechanism Deck MG-164MA-138 159 157156 158 161Section Electrical Parts List KEYSWITCH, KEY Board with LED List SWITCH, Tactile with LED D-BASS KEY MainMain Diode DTZ-TT11-16B Ref. No Description Remark R18 Short R21 216-825-11 Main Sensor Servo VibratorInductor Chip Servo SUB Disc Slot Illumination CA680X505 501 502503 506 507Memo Revision History

MDX-CA680 specifications

The Sony MDX-CA680 is an advanced multi-disc car audio system that exemplifies Sony's commitment to delivering high-quality sound and innovative features. With its sleek design and user-friendly interface, it stands as a popular choice for audiophiles and casual listeners alike. This model supports both MD (MiniDisc) playback as well as traditional CD formats, providing exceptional versatility for music enthusiasts who prefer various media.

One of the standout features of the MDX-CA680 is its 40 watts maximum output per channel. This power allows for dynamic sound reproduction across a wide range of musical genres. By utilizing Sony's proprietary Dynamic Bass Enhancement technology, the system enriches low-frequency sounds, making them feel fuller and more immersive, perfect for bass-heavy tracks.

The MDX-CA680 is designed with user convenience in mind. Its rotary control knob and intuitive button layout facilitate easy navigation through tracks and settings, allowing drivers to focus on the road while effortlessly managing their audio experience. The system also boasts a detachable faceplate, a crucial security feature for preventing theft.

Another notable characteristic of the MDX-CA680 is its support for various audio formats. Besides MD and CD, the system can handle MP3s, enabling users to create and playback custom playlists with ease. The player’s compatibility with CD-R and CD-RW media also enhances its functionality, allowing users to enjoy burned discs filled with their favorite tunes.

The display on the MDX-CA680 is characterized by a clear and bright LCD screen that provides essential information at a glance. This includes track titles, elapsed time, and artist names, making it easy to follow along with your music. Additionally, the unit supports adjustable EQ settings, allowing users to personalize their audio experience to suit their preferences.

In terms of installation, the MDX-CA680 is designed to integrate seamlessly into various vehicle models, featuring a standard DIN size that fits most aftermarket dashboards. Overall, the Sony MDX-CA680 stands out in the realm of car audio systems, offering a blend of versatility, quality, and user-friendly features that enhance the driving experience, making every journey more enjoyable.