– BD (MD) SECTION (2/2) –

HCD-MD373

A/D,D/A CONVERTER

IC201

A

BD (MD)

SECTION (1/2)

(Page 42)

B

MAIN

SECTION

(Page 44)

ADDT

BCK

LRCK

DADT

512FS

SCTX

XINT

SQSY

DQSY

MNT3

MNT2

MNT1

MNT0

SENS

SRDT

SCLK

SWDT

XLATCH

LIMIT-IN

REFLECT

PROTECT

CHACKIN SW

PACK-OUT SW

PB P SW

REC-P SW

LD ON

WRPWR

MOD

LOAD-IN

LOAD OUT

SDA

SCL

DIG-RST

DIN 0

DIN 1

DIN

I2C CLK

I2C DATA

P.DOWN

 

 

 

 

18 DATAO

VINL1

2

MD REC-L

 

 

 

 

 

(AD IN L)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VINR1 4 R-CH

B

 

 

 

 

 

VOUTL 26

MD-L

 

 

 

 

 

VOUTR

24

(DATA OUT L)

 

 

 

 

 

 

R-CH

MAIN SECTION

 

 

 

 

 

 

 

 

 

 

 

 

16 BCK

 

 

MD LEVEL L

(Page 44)

 

 

 

 

 

 

MD LEVEL R

 

 

 

 

17 WS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

19 DATAI

L3MODE 13

 

 

IC202

 

IC202

 

 

 

 

 

 

 

L3CLK

14

 

 

9

8

11

10

 

 

 

12 SYSCLK

L3DATA

15

 

 

 

 

 

 

 

 

X201

 

 

 

 

 

 

 

 

22MHz

 

 

 

 

 

 

 

 

 

 

SYSTEM CONTROL

 

 

 

 

 

 

 

IC316

 

 

 

 

 

72

 

SCTX

 

L3-CLK

21

 

 

 

73

 

XINT

 

L3-DATA

22

 

 

 

27

 

SQSY

 

L3-MODE

69

 

 

 

75

 

DQSY

 

 

 

 

 

 

79

 

MNT3(S-LOCK)

 

 

 

 

 

80

 

MNT2(X-BUSY)

 

 

 

 

 

81

 

MNT1(SHOCK)

 

 

 

 

 

82

 

MNT0(F-OK)

 

 

 

 

 

 

78

 

SENS

 

 

 

 

 

 

36

 

SRDT

 

 

 

 

 

 

37

 

SCLK

 

 

 

 

 

 

35

 

SWDT

 

LEVEL-L

3

 

 

 

66

 

XLATCH

 

 

 

 

 

 

 

 

 

 

 

63

 

LIMIT-IN

 

 

 

 

 

 

58

 

REFLECT

 

X OUT

13

 

X302

 

59

 

PROTECT

 

 

10MHz

 

 

 

X IN

15

 

 

51

 

CHACKIN

 

 

 

 

 

 

 

 

 

 

 

53

 

PACK-OUT

 

 

 

 

 

 

60

 

PB-P

 

 

 

 

 

 

74

 

REC-P

 

 

 

 

 

 

57

 

LDON

 

 

 

 

 

 

67

 

WR PWR

 

 

 

 

 

 

65

 

MOD

 

 

 

 

 

 

2

LOADING

10

54

LD-IN

 

MOTER

 

 

 

4

DRIVE

9

55

LD OUT

IC153

 

 

 

 

 

6

 

 

 

LOADING SW

56

LD-LOW

 

Q350

 

 

 

 

88

SDA

 

 

 

87

SCL

 

 

 

77

DIG-RST

 

IC202

2

1

 

P.DOWN

18

 

 

29

I2C CLK

 

 

B

30

I2C DATA

12

RESET

 

S.RST

 

MAIN SECTION

(Page 44)

09

43 43

Page 42 Page 44
Page 43
Image 43
Sony HCD-MD373 service manual D/A Converter
Page 42 Page 44

HCD-MD373 specifications

The Sony HCD-MD373 is a compact mini audio system that offers an impressive blend of sound quality, versatility, and advanced technology, making it an ideal choice for audio enthusiasts and casual listeners alike. One of the standout features of the HCD-MD373 is its MiniDisc recorder/player, a legacy technology that allows users to record high-quality audio onto MiniDiscs, providing an alternative to traditional CDs and cassettes. This feature is particularly appealing for those looking to capture live music or create personalized playlists.

Another notable aspect of the HCD-MD373 is its integrated CD player, which supports a variety of formats including CD, CD-R, and CD-RW. This versatility means that users can enjoy their favorite albums without the hassle of switching devices. The audio system also includes a built-in AM/FM tuner, enabling users to easily tune into their favorite radio stations and enjoy live broadcasts.

The HCD-MD373 is equipped with a powerful amplifier that delivers impressive sound output, complemented by its two-way speaker system. The speakers provide a rich audio experience with clear highs and deep lows, making it suitable for various music genres, from classical to contemporary. The system also features a bass boost function that enhances low-frequency sounds, allowing for a more immersive listening experience.

In terms of connectivity, the HCD-MD373 offers multiple inputs and outputs, including audio line-in, headphone jacks, and a digital optical output. These features make it easy to connect external devices such as MP3 players, smartphones, or even home theater systems. Additionally, the audio system supports various playback options, including shuffle and repeat modes, providing enhanced flexibility for users.

The design of the HCD-MD373 is sleek and modern, with a compact form factor that allows it to fit seamlessly into any living space. Its user-friendly interface, complete with an LCD display, makes it easy to navigate and control playback settings. Overall, the Sony HCD-MD373 is a testament to Sony's commitment to quality audio experiences, combining innovative features, robust technology, and elegant design into a single, powerful audio system. Whether enjoying a quiet evening at home or hosting a gathering with friends, the HCD-MD373 is sure to deliver satisfying sound and performance.
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