Sony MDS-JB920 service manual Main

Page 66

HP

 

MAIN

 

 

 

 

 

 

 

 

 

 

 

Ref. No.

Part No.

Description

 

Remark

C796

1-162-294-31

CERAMIC

0.001uF 10%

50V

C797

1-164-159-11

CERAMIC

0.1uF

50V

C798

1-164-159-11

CERAMIC

0.1uF

50V

<CONNECTOR >

*CN790 1-564-708-11 PIN, CONNECTOR (SMALL TYPE) 6P

<IC >

IC790

8-759-634-50

IC M5218AL

 

 

 

 

 

< JACK >

 

 

 

J790

1-770-904-11 JACK (LARGE TYPE) (PHONES)

 

 

 

< RESISTOR >

 

 

 

R790

1-247-807-31

CARBON

100

5%

1/4W

R791

1-249-433-11

CARBON

22K

5%

1/4W

R792

1-249-441-11

CARBON

100K

5%

1/4W

R793

1-249-429-11

CARBON

10K

5%

1/4W

R794

1-249-433-11

CARBON

22K

5%

1/4W

R795

1-247-807-31

CARBON

100

5%

1/4W

R796

1-249-433-11

CARBON

22K

5%

1/4W

R797

1-249-441-11

CARBON

100K

5%

1/4W

R798

1-249-429-11

CARBON

10K

5%

1/4W

R799

1-249-433-11

CARBON

22K

5%

1/4W

< VARIABLE RESISTOR >

RV790 1-225-582-11 RES, VAR, CARBON 20K/20K (PHONE LEVEL)

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

*A-4724-089-A MAIN BOARD, COMPLETE (US, Canadian)

*A-4724-090-A MAIN BOARD, COMPLETE (AEP, UK)

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

 

7-685-646-79

SCREW +BVTP

3X8 TYPE2 N-S

 

 

 

< CAPACITOR >

 

 

 

C100

1-164-159-11

CERAMIC

0.1uF

 

50V

C101

1-126-933-11

ELECT

100uF

20%

16V

C103

1-164-159-11

CERAMIC

0.1uF

 

50V

C104

1-124-994-11

ELECT

100uF

20%

10V

C105

1-124-994-11

ELECT

100uF

20%

10V

C106

1-164-159-11

CERAMIC

0.1uF

 

50V

C107

1-130-475-00

MYLAR

0.0022uF

5%

50V

C108

1-130-475-00

MYLAR

0.0022uF

5%

50V

C109

1-162-286-31

CERAMIC

220PF

10%

50V

C110

1-126-049-11

ELECT

22uF

20%

25V

C111

1-162-286-31

CERAMIC

220PF

10%

50V

C112

1-126-049-11

ELECT

22uF

20%

25V

C113

1-162-203-31

CERAMIC

15PF

5%

50V

C114

1-162-203-31

CERAMIC

15PF

5%

50V

C115

1-164-159-11

CERAMIC

0.1uF

 

50V

C116

1-164-159-11

CERAMIC

0.1uF

 

50V

C117

1-126-049-11

ELECT

22uF

20%

25V

C118

1-126-049-11

ELECT

22uF

20%

25V

C119

1-126-049-11

ELECT

22uF

20%

25V

C120

1-164-159-11

CERAMIC

0.1uF

 

50V

C121

1-164-159-11

CERAMIC

0.1uF

 

50V

C122

1-124-995-11

ELECT

220uF

20%

10V

Ref. No.

Part No.

Description

 

 

Remark

C123

1-164-159-11 CERAMIC

0.1uF

 

50V

C124

1-126-022-11 ELECT

47uF

20%

25V

C125

1-126-023-11 ELECT

100uF

20%

25V

C126

1-126-023-11 ELECT

100uF

20%

25V

C128

1-126-023-11 ELECT

100uF

20%

25V

C129

1-126-023-11 ELECT

100uF

20%

25V

C130

1-110-335-11 MYLAR

100PF

5%

50V

C131

1-110-335-11 MYLAR

100PF

5%

50V

C132

1-126-022-11 ELECT

47uF

20%

25V

C135

1-164-159-11 CERAMIC

0.1uF

 

50V

C136

1-164-159-11 CERAMIC

0.1uF

 

50V

C137

1-164-159-11 CERAMIC

0.1uF

 

50V

C138

1-126-049-11 ELECT

22uF

20%

25V

C139

1-126-049-11 ELECT

22uF

20%

25V

C140

1-164-159-11 CERAMIC

0.1uF

 

50V

C141

1-162-294-31 CERAMIC

0.001uF

10%

50V

C142

1-162-207-31 CERAMIC

22PF

5%

50V

C143

1-162-215-31 CERAMIC

47PF

5%

50V

C144

1-162-199-31 CERAMIC

10PF

5%

50V

C200

1-162-294-31 CERAMIC

0.001uF

10%

50V

C203

1-164-159-11 CERAMIC

0.1uF

 

50V

C204

1-164-159-11 CERAMIC

0.1uF

 

50V

C206

1-126-933-11 ELECT

100uF

20%

16V

C207

1-126-933-11 ELECT

100uF

20%

16V

C209

1-164-159-11 CERAMIC

0.1uF

 

50V

C210

1-164-159-11 CERAMIC

0.1uF

 

50V

C211

1-164-159-11 CERAMIC

0.1uF

 

50V

C212

1-124-995-11 ELECT

220uF

20%

10V

C213

1-164-159-11 CERAMIC

0.1uF

 

50V

C214

1-164-159-11 CERAMIC

0.1uF

 

50V

C215

1-124-995-11 ELECT

220uF

20%

10V

C216

1-124-995-11 ELECT

220uF

20%

10V

C217

1-164-159-11 CERAMIC

0.1uF

 

50V

C218

1-164-159-11 CERAMIC

0.1uF

 

50V

C220

1-164-159-11 CERAMIC

0.1uF

 

50V

C221

1-164-159-11 CERAMIC

0.1uF

 

50V

C222

1-124-995-11 ELECT

220uF

20%

10V

C223

1-164-159-11 CERAMIC

0.1uF

 

50V

C224

1-162-199-31 CERAMIC

10PF

5%

50V

C225

1-162-199-31 CERAMIC

10PF

5%

50V

C226

1-136-157-00 FILM

0.022uF

5%

50V

C227

1-136-157-00 FILM

0.022uF

5%

50V

C228

1-126-013-11 ELECT

1000uF

20%

16V

C229

1-164-159-11 CERAMIC

0.1uF

 

50V

C230

1-126-049-11 ELECT

22uF

20%

25V

C231

1-126-049-11 ELECT

22uF

20%

25V

C232

1-136-165-00 FILM

0.1uF

5%

50V

C233

1-164-159-11 CERAMIC

0.1uF

 

50V

C234

1-136-165-00 FILM

0.1uF

5%

50V

C235

1-136-165-00 FILM

0.1uF

5%

50V

C236

1-136-165-00 FILM

0.1uF

5%

50V

C237

1-126-022-11 ELECT

47uF

20%

25V

C238

1-126-023-11 ELECT

100uF

20%

25V

C239

1-126-022-11 ELECT

47uF

20%

25V

C240

1-164-159-11 CERAMIC

0.1uF

 

50V

C241

1-136-165-00 FILM

0.1uF

5%

50V

C242

1-164-159-11 CERAMIC

0.1uF

 

50V

C243

1-136-165-00

FILM

0.1uF

5%

50V

– 82 –

Page 65 Page 67
Image 66
Page 65 Page 67
Contents Specifications MDS-JE520MDM-5A SELF-DIAGNOSIS Function GeneralItems of Error History Mode Items and Contents Table of Contents DiagramsSection Servicing Notes Flexible Circuit Board Repairing VarningVaroitus JIG for Checking BD Board Waveform IOPRecord Precedure Checks Prior to Parts Replacement and Adjustments Forced ResetREC/PLAY Retry Cause Display Mode PrecedureHexadecimal nBinary Conversion Table Section General Location of ControlsFront view Rear view Page Page Section Disassembly CaseFront Panel Seciton Main BoardMechanism Section MDM-5A Slider CAMBase Unit MBU-5A, BD Board SW BOARD, Loading Motor M103Setting the Test Mode Section Test ModePrecautions for USE of Test Mode Exiting the Test ModeSelecting the Test Mode Display Contents Mark GroupOperating the Continuous Playback Mode Non-Volatile Memory Mode EEP ModeMID Auto gain display Not used in servicing Test Mode DisplaysFunctions of Other Buttons Detrack check display Not used in servicingDisplay Contents When Lit When Off Meanings of Other DisplaysSection Electrical Adjustments Parts Replacement and AdjustmentPrecautions for Adjustments Precautions for Checking Laser Diode EmissinonPrecautions for USE of Optical PICK-UP KMS-260A Laser power meterCheck Prior to Repairs Temperature Compensation Offset CheckLaser Power Check Traverse CheckFocus Bias Check Play Checking MO Error Rate CheckCD Error Rate Check Self-Recording/playback CheckLaser Power Adjustment Initial Setting of Adjustment ValueTemperature Compensation Offset Adjutment Recording and Displaying the IOP InformationTraverse Adjustment Focus Bias Adjustment CD Auto Gain Control Output Level Adjustment Error Rate CheckAuto Gain Control Output Level Adjustment MO Auto Gain Control Output Level AdjustmentAdjusting Points and Connecting Points Section Diagrams BD Board IC101 CXA2523AR RF AMP, FOCUS/TRACKING Error AMPIC PIN Function Description Xrst SrdtSens SqsyMvci XrasXWE AsyoSprd SrdrSfdr SpfdMain Board IC100 CXD8607N A/D Converter TEST2 AvddlVDD1 LvddMain Board IC800 M30610MCA-264FP System Controller MDS-JB920 REC Analog Block Diagram Servo Section∙ Signal Path REC DigitalBlock Diagram Main Section ∙ Signal Path Play Analog OUTPlay Digital OUT Circuit Boards Location Printed Wiring Boards BD Section MDS-JB920 Schematic Diagram BD /2 See 53 for Waveforms. See page 70 and 71 for IC Block DiagramsWaveforms BD board Main board Disp board MDS-JB920 MDS-JB920 MDS-JB920 MDS-JB920 Other layers pattern Side a US, CND Schematic Diagram Panel Section See page 54 for Waveforms IC Block Diagrams BD Board IC101 Schematic Diagram BD Switch SectionPrinted Wiring Board BD Switch Section CXA2523ARIC121 CXD2654R IC152 BH6511FS-E2IC203 Main Board IC100 CXD8607NIC101 CXA8054M CXA8042ASIC200 CXD8767N SN74HC153ANS SN74HCU04ANS-E20Section Exploded Views Chassis SectionFront Panel Section Supplied with RV760206 201 204 205209 4-988-466-21 Spring ELECTROSTATIC, Leaf Base Unit Section MBU-5A Section Electrical Parts List Diode F1J6TP TANTAL. ChipDiode CXA2523ARDisp Main C252 Mylar CXA8042AS HZS6C1LHZ7.5CP-TK SN74HC153ANS390 LED SEL6210S-TH10 Standby Main PSWCoil with Core Vibrator LED SEL6810A-TH10 Mega Control TransistorSW VOL Sony Corporation
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