Sony MDM-7A, NEW, KMS-2608/J1N specifications Section Exploded Views, Chassis Section

Page 54

SECTION 7

EXPLODED VIEWS

NOTE:

 

 

• -XX, -X mean standardized parts, so they may

• Hardware (# mark) list and accessories and

have some differences from the original one.

packing materials are given in the last of this

• Items marked “*” are not stocked since they

parts list.

are seldom required for routine service. Some

• Abbreviation

delay should be anticipated when ordering these

CND : Canadian model

items.

SP

: Singapore model

• The mechanical parts with no reference number

MY

: Malaysia model

in the exploded views are not supplied.

HK

: Hong Kong model

 

AUS

: Australian model

The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified.

Les composants identifiés par une marque

0sont critiques pour la sécurité.

Ne les remplacer que par une pièce portant le numéro spécifié.

7-1. CHASSIS SECTION

11

MDM-7A

12

13 13

17

AUS

US, CND

SP,MY

7

A

9

68

7

6

 

7

6

 

#2

5

 

not supplied

4

A

 

11

13

 

17

10

 

 

UK, HK

 

 

 

#1 (SP, MY)

AEP, UK, HK, CIS, SP, MY

18

 

14

 

 

#1

 

#1

 

16

 

 

 

(SP, MY)

#1

 

 

19

3

 

 

#1

 

15

not supplied

not supplied

Front panel section

Ref. No.

Part No.

Description

#1

Remarks

1X-4947-208-1 FOOT ASSY (F50150S)

24-977-358-11 CUSHION

3A-4725-161-A MAIN BOARD, COMPLETE (US,CND)

3A-4725-165-A MAIN BOARD, COMPLETE

(AEP,UK,CIS,HK,AUS)

3 A-4725-169-A MAIN BOARD, COMPLETE (SP,MY)

* 4

3-644-407-00 CLIP, AC WIRE E

51-677-826-11 PT BOARD

64-228-689-11 INSULATOR

74-228-643-11 SCREW (+BVTTWH M3), STEP

81-792-812-11 WIRE (FLAT TYPE) (27 CORE)

91-792-811-11 WIRE (FLAT TYPE) (23 CORE)

104-221-887-11 SCREW, +PTTWH (M3) (S) TITE

114-210-291-01 SCREW (CASE 3 TP2)

124-983-661-01 UPPER CASE (408226)

013

1-696-846-21 CORD, POWER (AUS)

not supplied

1 2

#1

Ref. No.

Part No.

Description

Remarks

013

1-775-787-41

CORD, POWER (AEP,UK,CIS,SP,MY,HK)

 

013

1-783-531-31

CORD, POWER (US,CND)

 

* 14

3-703-244-00

BUSHING (2104), CORD

 

15

4-228-639-01

PANEL, BACK (AEP,UK,CIS)

 

15

4-228-639-11

PANEL, BACK (US)

 

15

4-228-639-21

PANEL, BACK (CND)

 

15

4-228-639-31

PANEL, BACK (SP,MY)

 

15

4-228-639-41

PANEL, BACK (HK)

 

154-228-639-51 PANEL, BACK (AUS)

161-677-829-11 VOL-SEL BOARD (SP,MY)

017

1-569-008-21

ADAPTOR, CONVERSION (SP,MY)

017

1-770-019-11

ADAPTOR, CONVERSION PLUG 3P (UK,HK)

181-569-972-21 SOCKET, SHORT 2P

199-910-999-31 RIVET (DIA. 3), NYLON

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Contents Specifications InputsOutputs SELF-DIAGNOSIS Function Where purchased Power requirementsSupplied accessories GeneralItems of Error History Mode Items and Contents Diagrams Table of ContentsDisassembly Exploded ViewsFlexible Circuit Board Repairing Section Service NotesSafety CHECK-OUT LeakageJIG for Checking BD Board Waveform IOPRecord Precedure Checks Prior to Parts Replacement and Adjustments Forced ResetMain Board Component Side Retry Cause Display Mode Bit BinaryBit When Binary Higher Bits Lower Bits Hexa DetailsHexadecimal Binary Section General Section Disassembly Front Panel SectionMain Board PT BOARD, VOL-SEL BoardMechanism Deck Section MDM-7A BD BoardSetting the Test Mode Section Test ModePrecautions for USE of Test Mode Exiting the Test ModeSelecting the Test Mode Display Details Mark GroupOUT Operating the Continuous Playback ModeMID MENU/NOError rate display Test Mode DisplaysMode display Functions of Other ButtonsAutomatic SELF-DIAGNOSIS Function When Memory NG is DisplayedMeanings of Other Displays InformationSection Electrical Adjustments Parts Replacement and AdjustmentCheck before replacement Adjustment flow YESPrecautions for Checking Laser Diode Emission Precautions for USE of Optical PICK- UP KMS-260BPrecautions for Adjustments Using the Continuously Recorded Disc Checks Prior to RepairsTraverse Check Auto CheckOther Checks Traverse WaveformFocus Bias Check Play Check MO Error Rate CheckCD Error Rate Check Self-Recording/playback CheckInitial Setting of Adjustment Value Temperature Compensation Offset AdjutmentLaser Power Adjustment Traverse Adjustment Iop NV SaveFocus Bias Adjustment YESCD 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 For printed wiring boards Section DiagramsFor schematic diagrams Circuit Boards LocationBlock Diagrams BD Section MDS-JE440Main Section Sclk Cclk Control Generator OSCBD Board Main BoardDisplay Board Printed Wiring Board BD Section SemiconductorPIN PIN Function Printed Wiring Board Main Section Side a Printed Wiring Board Main Section Side B PIN MDS-JE440 Schematic Diagram Main /3 See page 47 for IC Block Diagrams Printed Wiring Board Power Section Printed Wiring Board Display Section Schematic Diagram Display Section See page 34 for Waveforms IC Block Diagrams IC101 CXA2523AR BD BoardIC400 LA5643 Main Board IC PIN Functions Pin No Pin Name FunctionMNT2 Xbusy MNT0 FOKMNT1 Shck MNT3 SlocAsyi MvciAsyo Avdd Frdr Tfdr Ffdr FS4IC1 M30805SGP System Control Main Board HLDA/ALE Section Exploded Views Chassis SectionNot supplied FL771 Mechanism MDM-7A 202 220 201 213 215 216 205 218 207259 Section Electrical Parts List Description Remarks Ref. NoIC TC7WU04FUTE12R SWITCH, Keyboard MENU/NO Display KEY-SWMain CN1Diode MA8047-TX Main VOL-SEL VibratorSony Corporation
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