Sony HCD-MD373 service manual Bd Cd Bd Md

Page 87

Ref. No.

Part No.

Description

 

 

Remark

R158

1-216-111-00

METAL CHIP

390K

5%

1/10W

R159

1-216-101-00

METAL CHIP

150K

5%

1/10W

R161

1-216-308-00

METAL CHIP

4.7

5%

1/10W

R162

1-216-101-00

METAL CHIP

150K

5%

1/10W

R171

1-216-078-00

RES,CHIP

16K

5%

1/10W

R172

1-216-073-00

METAL CHIP

10K

5%

1/10W

R173

1-216-077-91

RES,CHIP

15K

5%

1/10W

R181

1-216-078-00

RES,CHIP

16K

5%

1/10W

R182

1-216-073-00

METAL CHIP

10K

5%

1/10W

R183

1-216-077-91

RES,CHIP

15K

5%

1/10W

 

 

< NETWORK >

 

 

 

RN101

1-233-576-11 RES, CHIP NETWORK 100

 

 

RN102

1-233-576-11 RES, CHIP NETWORK 100

 

 

 

 

< SWITCH >

 

 

 

S101

1-572-085-11 SWITCH, LEAF (LIMIT IN SW)

 

 

 

 

< VIBRATOR >

 

 

 

X101

1-767-408-21

VIBRATOR, CRYSTAL (16.9344MHz)

 

**************************************************************

*A-4699-893-A BD (MD) BOARD, COMPLETE

***********************

< CAPACITOR >

C101

1-125-822-11 TANTALUM

10uF

20%

10V

C102

1-163-038-91

CERAMIC CHIP

0.1uF

 

25V

C103

1-125-822-11 TANTALUM

10uF

20%

10V

C104

1-125-822-11 TANTALUM

10uF

20%

10V

C105

1-163-021-91

CERAMIC CHIP

0.01uF

10%

50V

C106

1-163-275-11

CERAMIC CHIP

0.001uF

5%

50V

C107

1-163-038-91

CERAMIC CHIP

0.1uF

 

25V

C108

1-163-038-91

CERAMIC CHIP

0.1uF

 

25V

C109

1-163-037-11

CERAMIC CHIP

0.022uF

10%

25V

C111

1-164-344-11

CERAMIC CHIP

0.068uF

10%

25V

C112

1-163-017-00

CERAMIC CHIP

0.0047uF

5%

50V

C113

1-109-982-11

CERAMIC CHIP

1uF

10%

10V

C115

1-164-489-11

CERAMIC CHIP

0.22uF

10%

16V

C116

1-163-037-11

CERAMIC CHIP

0.022uF

10%

25V

C117

1-163-809-11

CERAMIC CHIP

0.047uF

10%

25V

C118

1-163-038-91

CERAMIC CHIP

0.1uF

 

25V

C119

1-125-822-11 TANTALUM

10uF

20%

10V

C121

1-125-822-11 TANTALUM

10uF

20%

10V

C122

1-163-021-91

CERAMIC CHIP

0.01uF

10%

50V

C123

1-163-038-91

CERAMIC CHIP

0.1uF

 

25V

C124

1-163-038-91

CERAMIC CHIP

0.1uF

 

25V

C127

1-163-038-91

CERAMIC CHIP

0.1uF

 

25V

C128

1-163-021-91

CERAMIC CHIP

0.01uF

10%

50V

C129

1-107-823-11

CERAMIC CHIP

0.47uF

10%

16V

C130

1-163-251-11

CERAMIC CHIP

100PF

5%

50V

C131

1-163-023-00

CERAMIC CHIP

0.015uF

5%

50V

C132

1-107-823-11

CERAMIC CHIP

0.47uF

10%

16V

C133

1-163-017-00

CERAMIC CHIP

0.0047uF

5%

50V

C134

1-163-038-91

CERAMIC CHIP

0.1uF

 

25V

C135

1-163-038-91

CERAMIC CHIP

0.1uF

 

25V

 

 

 

 

 

BD (CD)

 

BD (MD)

 

 

 

 

 

 

 

 

Ref. No.

Part No.

Description

 

 

 

Remark

C136

1-126-206-11

ELECT CHIP

100uF

20%

6.3V

C142

1-163-251-11

CERAMIC CHIP

100PF

5%

50V

C143

1-163-251-11

CERAMIC CHIP

100PF

5%

50V

C144

1-163-251-11

CERAMIC CHIP

100PF

5%

50V

C146

1-163-038-91

CERAMIC CHIP

0.1uF

 

25V

C151

1-126-206-11

ELECT CHIP

100uF

20%

6.3V

C152

1-163-038-91

CERAMIC CHIP

0.1uF

 

25V

C153

1-163-021-91

CERAMIC CHIP

0.01uF

10%

50V

C156

1-163-038-91

CERAMIC CHIP

0.1uF

 

25V

C158

1-163-019-00

CERAMIC CHIP

0.0068uF

10%

50V

C160

1-104-601-11

ELECT CHIP

10uF

20%

10V

C161

1-104-601-11

ELECT CHIP

10uF

20%

10V

C163

1-163-021-91

CERAMIC CHIP

0.01uF

10%

50V

C164

1-163-021-91

CERAMIC CHIP

0.01uF

10%

50V

C167

1-163-038-91

CERAMIC CHIP

0.1uF

 

25V

C168

1-163-038-91

CERAMIC CHIP

0.1uF

 

25V

C169

1-125-822-11

TANTALUM

10uF

20%

10V

C171

1-163-038-91

CERAMIC CHIP

0.1uF

 

25V

C181

1-104-913-11

TANTAL. CHIP

10uF

20%

16V

C183

1-163-038-91

CERAMIC CHIP

0.1uF

 

25V

C184

1-117-970-11

ELECT CHIP

22uF

20%

10V

C185

1-164-611-11

CERAMIC CHIP

0.001uF

10%

500V

C187

1-104-913-11

TANTAL. CHIP

10uF

20%

16V

C188

1-163-021-91

CERAMIC CHIP

0.01uF

10%

50V

C189

1-163-989-11

CERAMIC CHIP

0.033uF

10%

25V

C190

1-126-206-11

ELECT CHIP

100uF

20%

6.3V

C191

1-163-038-91

CERAMIC CHIP

0.1uF

 

25V

C196

1-163-038-91

CERAMIC CHIP

0.1uF

 

25V

C197

1-163-038-91

CERAMIC CHIP

0.1uF

 

25V

 

 

< CONNECTOR >

 

 

 

 

CN101

1-569-479-21

CONNECTOR, FPC 21P

 

 

CN102

1-784-833-21 CONNECTOR,FFC(LIF(NON-ZIF))21P

 

CN103

1-784-834-21 CONNECTOR,FFC(LIF(NON-ZIF))23P

 

CN104

1-770-687-11

CONNECTOR, FFC/FPC 4P

 

 

CN110

1-695-440-21 PIN, CONNECTOR (PC BOARD) 6P

 

 

 

< DIODE >

 

 

 

 

D101

8-719-988-61

DIODE

1SS355TE-17

 

 

D181

8-719-046-86

DIODE

F1J6TP

 

 

 

 

D183

8-719-046-86

DIODE

F1J6TP

 

 

 

 

 

 

< IC >

 

 

 

 

 

IC101

8-752-080-95

IC

CXA2523AR

 

 

 

 

IC103

8-729-903-10

TRANSISTOR FMW1-T-148

 

 

IC121

8-752-389-44

IC

CXD2654R

 

 

 

 

IC123

8-759-096-87

IC

TC7WU04FU(TE12R)

 

 

IC124

8-759-498-44

IC MSM51V4400-70TS-K

 

 

IC152

8-759-430-25

IC

BH6511FS-E2

 

 

 

 

IC171

8-759-487-04

IC

BR24C02F-E2

 

 

 

 

IC181

8-759-481-17

IC

MC74ACT08DTR2

 

 

IC192

8-759-460-72

IC

BA033FP-E2

 

 

 

 

 

 

< COIL >

 

 

 

 

L101

1-414-813-11

FERRITE

0uH

 

 

L102

1-414-813-11

FERRITE

0uH

 

 

L103

1-414-813-11

FERRITE

0uH

 

 

L105

1-414-813-11

FERRITE

0uH

 

 

87

Page 86 Page 88
Image 87
Page 86 Page 88
Contents 928-998-12 SpecificationsSELF-DIAGNOSIS Function Items of Error History Mode Items and Contents Flexible Circuit Board Repairing AEP, UKHK, SP, MY, AR, AUS, KR, JE Exploded Views Table of ContentsDisassembly DiagramsRemoving the Indication Plate FL Drawing OUT the Tray During Power OFFCleaning the Optical Pickup CD Player Section Servicing NoteService Position the Power Board Change-over of AM tuner Step between 9kHz and 10kHz Cold ResetHot Reset LED and Fluorescent Indicator Tube All Lit, Key Check ModeError History Display Mode Aging ModeReading the BD Error History Display Reading the Mechanism Error History DisplayJIG for Checking BD MD Board Waveform IOPTEO Record Precedure Main Board Component Side Checks Prior to Parts Replacement and AdjustmentsForced Reset REC/PLAYTuning +/MD/CD/TUNING + Retry Cause Display ModeHexadecimal nBinary Conversion Table Section General Location of Parts and ControlsFront Panel Page Page Case Section DisassemblyBack Panel Front PanelCD Mechanism Deck Main Board and Power TransformerTRAY, Gear and CAM CD Base UnitOptical PICK-UP Section of CD KSS-213BA/F-NP MD Mechanism Deck BD CD BOARD, Spindle Motor M101 and Sled Motor M102Set the shaft of Cam gear to Spindle Motor M901 and Sled Motor M902 MD Over Write Head Optical PICK-UP of MD KMS-260B/J1NExiting the Test Mode Section Test ModePrecautions for USE of Test Mode Setting the Test ModeDisplay Contents Mark Group Selecting the Test ModeOUT Operating the Continuous Playback ModeNon-Volatile Memory Mode EEP Mode MIDFunctions of Other Buttons Test Mode DisplaysMeanings of Other Displays MD Section Parts Replacement and Adjustment Section Electrical AdjustmentsCreating Continuously Recorded Disc Precautions for Checking Laser Diode EmissinonPrecautions for USE of Optical PICK- UP KMS-260B Precautions for AdjustmentsSpecified Value Temperature Compensation Offset CheckLaser Power Check Checks Prior to RepairsSelf-Recording/playback Check Play Checking MO Error Rate CheckCD Error Rate Check Focus Bias CheckRecording and Displaying the IOP Information Initial Setting of Adjustment ValueTemperature Compensation Offset Adjutment Laser Power AdjustmentCheck Traverse AdjustmentPress the ENTER/YES R button, display EFB = Focus Bias AdjustmentMO Auto Gain Control Output Level Adjustment Error Rate CheckAuto Gain Control Output Level Adjustment CD Auto Gain Control Output Level AdjustmentRF Level Check Adjusting Points and Connecting PointsCD Section Curve CheckCircuit Boards Location HCD-MD373 Section DiagramsHCD-MD373 Block Diagrams BD CD SectionREC BD MD /2D/A Converter BD CD Section Main SectionMain 3/3 Section Waveforms BD CD SectionBD MD 1/2 Section BD MD 2/2 SectionPrinted Wiring Board BD CD Section See page 40 for Circuit Boards LocationMain Board Schematic Diagram BD CD Section Semiconductor Location Printed Wiring Board BD MD SectionSchematic Diagram BD MD /2 MD Digital Board Schematic Diagram SP Section Printed Wiring Board SP Section Printed Wiring Board Main Section See page 68 for IC Block Diagrams Schematic Diagram Main /3HCD-MD373 HCD-MD373 See page 45 for Waveforms See page 67 for IC Block Diagrams Schematic Diagram MD Digital SectionPrinted Wiring Board MD Digital Section Schematic Diagram AMP Section Printed Wiring Board AMP Section Schematic Diagram Panel Section Printed Wiring Board Panel Section Schematic Diagram Power Section Printed Wiring Board Power Section AEP, UKExcept AEP, UK Voltage Selector Printed Wiring Board Loading Section Schematic Diagram BD Switch SectionPrinted Wiring Board BD Switch Section Schematic Diagram Loading SectionBD MD Board 1/2 IC101 CXA2523AR IC Block DiagramsBD MD Board 2/2 IC121 CXD2654R IC152 BH6511FS-E2BD CD Board IC101 CXD2587Q C103 CXA2568M-T6 MD Digital BoardIC153 LB1830M-S-TE-L Main Board 3/3 IC171 LB1641 Main Board 1/3 IC302 MC14052BMain Board 2/3 IC301 M62428AFP IC931 M62016L IC PIN Functions IC101 Digital Signal Processor CXD2587Q Bdcd boardIgen RfdcAdio AVSS0IC101 RF Amplifier CXA2523AR Bdmd board MNT3 Sloc MNT0 FOKMNT1 Shck MNT2 XbusyAvss MvciAvdd RFIFgin FS4Sprd SpfdIC501 Master Control M30620ECFP-A21 Main board ST-CE CD-RESETStereo TunedCase and Front Panel Section Section Exploded Views59 #3 Chassis SectionMD Mechanism Deck MDM-5A 113 110 107125 126 106 105 MD Base Unit MBU-5A CD Mechanism Deck CDM55A-5SBD32 258 251 CD Base Unit BU-5SBD32255 256 257 253 254 252 254CD Mechanism Deck CDM55C-5BD32 358 351 CD Base Unit BU-5BD32355 356 357 353 354 352 354Section Electrical Parts List AMP AMP BD CD BD CD BD MD 2SK1764KYTR Resistor BD MD MD DigitalInductor Chip 2SJ278MYTRMD Digital Loading Main Main EP2 Ground TerminalEP1 Terminal BOARD, GroundDescription Remark R402 249-417-11 Jack LINE-IN Indicator TUBE, FluorescentPanel Panel BOARD, CompletePanel Power SWITCH, Push 1 KEY Switch Voltage SelestorTRANSFORMER, SUB Power PIN, Connector 7PHardware List SCREW,PRECISION +PScrew +B Memo HCD-MD373 Revision History

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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