free hit counter
Sony MDS-JA20ES Service Manual
  1. Manuals
  2. Brands
  3. Sony Manuals
  4. MiniDisc Player
  5. MDS-JA20ES - Minidisc Deck
  6. Service manual

Sony MDS-JA20ES Service Manual

Minidisc deck
Hide thumbs Also See for MDS-JA20ES:
Table of Contents

Advertisement

Quick Links

SERVICE MANUAL
U.S. and foreign patents licensed form Dolby Laboratories
Licensing Corporation.
System
MiniDisc digital audio system
Disc
MiniDisc
Laser
Semiconductor laser (λ=780nm)
Emission duration: continuous
Less than 44.6 µW*
Laser output
* This output is the value measured at a
distance of 200 mm from the objective lens
surface on the Optical Pick-up Block with 7
mm aperture.
Laser diode properties
Material: GaAIAs
Revolutions (CLV)
400 rpm to 900 rpm
Error correction
Advanced Cross Interleave Reed
Solomon Code (ACIRC)
Sampling frequency
44.1 kHz
Coding
Adaptive Transform Acoustic Coding
(ATRAC)
Modulation system
EFM (Eight-to-Fourteen Modulation)
Number of channels
2 stereo channels
Frequency response
5 to 20,000 Hz ±0.3 dB
Signal-to-noise ratio
Over 102 dB during playback
Wow and flutter
Below measurable limit
MICROFILM
MDS-JA20ES
Photo: GOLD Type
Model Name Using Similar Mechanism
MD Mechanism Type
Base Unit Name
Optical Pick-up Name
SPECIFICATIONS
Inputs
LINE (ANALOG) Phono
IN
DIGITAL IN
OPT 1
DIGITAL IN
OPT 2
DIGITAL IN
COAXIAL
Outputs
PHONES
LINE (ANALOG) Phono
OUT
DIGITAL OUT
OPTICAL
DIGITAL OUT
COAXIAL
US Model
Canadian Model
AEP Model
UK Model
Jack
Input
Rated
type
impedance
input
47 kilohms
500 mVrms 125 mVrms
jacks
Square
Optical wave
optical
length:
—
connector 660 nm
jack
Square
Optical wave
optical
length:
—
connector 660 nm
jack
Phono
75 ohms
0.5 Vp-p,
jack
±20%
Jack type
Rated output
Stereo
28 mW
phone jack
2 Vrms
jacks
(at 50 kilohms)
Square
–18 dBm
optical
connector
jack
Phono
0.5 Vp-p
jack
(at 75 ohms)
– Coutinued on next page –
MINIDISC DECK
NEW
MDM-6A
MBU-5C
KMS-260A/J1N
Minimum
input
—
—
—
Load impedance
32 ohms
Over
10 kilohms
Optical wave
length:
660 nm
75 ohms

Advertisement

Table of Contents
loading

Related Manuals for Sony MDS-JA20ES

Summary of Contents for Sony MDS-JA20ES

  • Page 1 MDS-JA20ES SERVICE MANUAL US Model Canadian Model AEP Model UK Model Photo: GOLD Type Model Name Using Similar Mechanism U.S. and foreign patents licensed form Dolby Laboratories Licensing Corporation. MD Mechanism Type MDM-6A Base Unit Name MBU-5C Optical Pick-up Name...

  • Page 2: Self-Diagnosis Function

    General Supplied accessories Power requirements Audio connecting cords (2) Remote commander (remote) RM-D19M (1) Where purchased Power requirements R6 (size-AA) batteries (2) AEP, UK 220 – 230 V AC, 50/60 Hz US, Canadian 120 V AC, 60 Hz Design and specifications are subject to change without notice. Power consumption 18 W Dimensions (approx.) (w/h/d) incl.projecting parts and controls...
  • Page 3 Items of Error History Mode Items and Contents Selecting the Test Mode Display Details of History total rec Displays the recording time. Displayed as “rππππππh”. The displayed time is the total time the laser is set to the high power state. This is about 1/4 of the actual recording time.

  • Page 4: Table Of Contents

    SECTION 1 SERVICING NOTES TABLE OF CONTENTS SAFETY CHECK-OUT After correcting the original service problem, perform the follow- ing safety check before releasing the set to the customer: SELF-DIAGNOSIS FUNCTION ......2 Check the antenna terminals, metal trim, “metallized” knobs, screws, and all other exposed metal parts for AC leakage.
  • Page 5 OPERATION. REPLACE THESE COMPONENTS WITH DE FONCTIONNEMENT. NE REMPLACER CES COM- SONY PARTS WHOSE PART NUMBERS APPEAR AS POSANTS QUE PAR DES PIÈCES SONY DONT LES SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- NUMÉROS SONT DONNÉS DANS CE MANUEL OU LISHED BY SONY.
  • Page 6 HOW TO OPEN THE DISC TRAY WHEN POWER SWITCH TURNS OFF 1 Remove the fourteen screws (3 × 8) from the bottom plate (refer to page 87). 2 Remove the bottom plate. 3 Rotate the pulley gear in the arrow direction A, and open the tray assembly in the arrow direction B.
  • Page 7 JIG FOR CHECKING BD BOARD WAVEFORM The special jig (J-2501-149-A) is useful for checking the waveform of the BD board. The manes of terminals and the checking items to be performed are shown as follows. GND : Ground I + 3 V : For measuring IOP (Check the deterioration of the optical pick-up laser) : For measuring IOP (Check the deterioration of the optical pick-up laser) : TRK error signal (Traverse adjustment) : Reference level for checking the signal...
  • Page 8 IOP Data Recording and Display When Pickup and Non-volatile Memory (IC171 of BD board) are Replaced The IOP value labeled on the pick-up can be recorded in the non-volatile memory. By recording the value, it will eliminate the need to look at the value on the label of the optical pick-up.
  • Page 9 Checks Prior to Parts Replacement and Adjustments Before performing repairs, perform the following checks to determine the faulty locations up to a certain extent. Details of the procedures are described in “5 Electrical Adjustments”. Criteria for Determination Measure if unsatisfactory: (Unsatisfactory if specified value is not satisfied) Laser power check •...
  • Page 10 Retry Cause Display Mode • In this test mode, the causes for retry of the unit during recording can be displayed on the fluorescent indicator tube. During playback, the “track mode” for obtaining track information will be set. This is useful for locating the faulty part of the unit. •...
  • Page 11 Reading the Retry Cause Display Higher Bits Lower Bits Hexa- Details Hexadecimal decimal When 0 When 1 b7 b6 b5 b4 b3 b2 b1 b0 Binary Emphasis OFF Emphasis ON Monaural Stereo This is 2-bit display. Normally 01. 01:Normal audio. Others:Invalid Audio (Normal) Invalid Original...

  • Page 12: General

    SECTION 2 GENERAL LOCATION OF CONTROLS – Front Panel – !§ !¶ !• !ª @º @¡ !¡ !™ !£ !¢ !∞ @™ @£ @¢ @∞ @§ @¶ @• @ª 1 STANDBY indicator !§ Remote sensor 2 1/u (Power) button !¶ TIMER switch 3 FILTER button and indicator !•...
  • Page 13 – 13 –...
  • Page 14 – 14 –...

  • Page 15: Disassembly

    SECTION 3 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. CASE 1 four screws 3 Remove the case (case 3 TP2) in the arrow direction A . 1 three screws (case 3 TP2) 1 two screws (case 3 TP2) 2 Open the case.
  • Page 16 MD MECHANISM SECTION 1 five screws 1 screw (BVTT3 × 6) (BVTT3 × 6) 3 two flat wires (CN102, 103) 2 Remove the MD mechanism section in the arrow direciton A . TO BU holder ass’y, loading motor ass’y (page 18). 4 connector (CN401) AU BOARD...
  • Page 17 3 bracket (top) 2 two screws 2 two screws TRAY ASS’Y (P2.6 × 6) (P2.6 × 6) 5 screw (P2.6 × 6) 6 stopper (shaft B) 4 three gears (top) 7 shaft 4 three gears (top) 8 Remove the tray assembly in the arrow direction B .
  • Page 18 BU HODER ASS’Y 1 two screws (P2.6 × 6) 1 two screws 2 two collars (P2.6 × 6) (damper) 2 two collars (damper) 3 two compression 3 two compression springs springs from MD mechanism section (page 16) 4 BU holder ass’y LOADING MOTOR ASS’Y 2 two screws (P2.6 ×...
  • Page 19 BASE UNIT 1 leaf spring (UDL) 2 leaf spring (UDR) 3 Remove the holder assembly in the arrow direction A . 5 base unit 4 two screws 4 two screws (P2.6 × 6) (P2.6 × 6) BD BOARD 5 two screws (P1.7 ×...
  • Page 20 OVER WRITE HEAD 2 screw (P1.7 × 6) 3 over write head 1 flexible board (CN104) OPTICAL PICK-UP 2 screw 3 leaf spring (B2 × 8) (shaft) 4 main shaft 5 Remove the optical pick-up in the arrow direction A . 1 flexible board (CN104) 1 flexible board...

  • Page 21: Test Mode

    SECTION 4 TEST MODE 4-1. PRECAUTIONS FOR USE OF TEST MODE • As loading related operations will be performed regardless of the test mode operations being performed, be sure to check that the disc is stopped before setting and removing it. Even if the §...

  • Page 22: Selecting The Test Mode

    4-5. SELECTING THE TEST MODE [        AMS        ] There are 23 types of test modes as shown below. The groups can be switched by rotating the ± knob. After selecting the ≠ [YES] [        AMS        ] group to be used, press the button. After setting a certain group, rotating the ≠...
  • Page 23 4-5-1. Operating the Continuous Playback Mode 1. Entering the continuous playback mode (1) Set the disc in the unit. (Whichever recordable discs or discs for playback only are available.) A disc is loaded automatically, if pushing the tray. [        AMS        ] (2) Rotate the ≠...
  • Page 24 4-6. FUNCTIONS OF OTHER BUTTONS Function Contents Sets continuous playback when pressed in the STOP state. When pressed during continuous playback, the tracking servo turns ON/OFF. Stops continuous playback and continuous recording. The sled moves to the outer circumference only when this is pressed. The sled moves to the inner circumference only when this is pressed.
  • Page 25 MEANINGS OF OTHER DISPLAYS Contents Display When Lit When Off · During continuous playback (CLV: ON) STOP (CLV: OFF) Tracking servo OFF Tracking servo ON Recording mode ON Recording mode OFF –SYNC CLV low speed mode CLV normal mode A.SPACE ABCD adjustment completed OVER Tracking offset cancel ON...

  • Page 26: Electrical Adjustments

    SECTION 5 ELECTRICAL ADJUSTMENTS 5-1. PARTS REPLACEMENT AND ADJUSTMENT • Check and adjust the MDM and MBU as follows. The procedure changes according to the part replaced • Abbreviation : Optical pick-up OWH : Overwrite head • Temperature compensation offset check •...
  • Page 27 5-2. PRECAUTIONS FOR CHECKING LASER 4. Use the following tools and measuring devices. • Check Disc (MD) TDYS-1 DIODE EMISSINON (Parts No. 4-963-646-01) To check the emission of the laser diode during adjustments, never • TEST DISK (MDW-74/AU-1) (Parts No. 8-892-341-41) view directly from the top as this may lose your eye-sight.
  • Page 28 [YES] 5-6. CHECK PRIOR TO REPAIRS Note 1: After step 4, each time the button is pressed, the display will be switched between “LD 0.7 mW $ ”, “LD 6.2 mW $ These checks are performed before replacing parts according to ”, and “LD Wp ”.
  • Page 29 [YES] 5-6-4. Focus Bias Check 9. Press the button display “EFB = MO-P”. Then, the optical pick-up moves to the pit area automatically Change the focus bias and check the focus tolerance amount. and servo is imposed. Checking Procedure : 10.
  • Page 30 5-9. TEMPERATURE COMPENSATION OFFSET 8. “C = AD = ” will be displayed. 9. Check that the C1 error becomes below 80 and the AD error ADJUTMENT below 2. Save the temperature data at that time in the non-volatile memory [MENU/NO] 10.
  • Page 31 [        AMS        ] 5-11. TRAVERSE ADJUSTMENT 7. Then, rotate the ≠ ± knob and display “LDPWR CHECK” (C02). [YES] Note 1: Data will be erased during MO reading if a recorded disc is 8. Press the button once and display “LD 0.9 mW $ ”.
  • Page 32 [        AMS        ] [YES] 8. Rotate the ≠ ± knob so that the waveform of the 18. Press the button, display “EFB = SAV” for a mo- oscilloscope becomes the specified value. ment and save the adjustment results in the non-volatile [        AMS        ] (When the ≠...
  • Page 33 5-13. ERROR RATE CHECK 5-15. AUTO GAIN CONTROL OUTPUT LEVEL 5-13-1. CD Error Rate Check ADJUSTMENT Checking Procedure : Be sure to perform this adjustment when the pickup is replaced. 1. Load a check disc (MD) TDYS-1. If the adjustment results becomes “Adjust NG!”, the pickup may A disc is loaded automatically, if pushing the tray.
  • Page 34 5-16. ADJUSTING POINTS AND CONNECTING POINTS [BD Board] (SIDE A) CN101 D101 CN110 I+3V NOTE IC171 [BD Board] (SIDE B) IC101 IC121 IC192 Note: It is useful to use the jig. for checking the waveform. (Refer to Servicing Notes on page 7.) –...

  • Page 35: Diagrams

    MDS-JA20ES SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAM – MD SERVO Section – IC121 (1/2) OVER WRITE EFMO ADDT ADDT (Page 37) HEAD DRIVE IC181, Q181, 182 DATAI HR901 DIGITAL SIGNAL PROCESSOR, FILI SAMPLING OVER WRITE HEAD SCTX XBCKI EFM/ACIRC ENCODER/DECODER,...

  • Page 36: Block Diagram - Main Section

    MDS-JA20ES 6-2. BLOCK DIAGRAM – MAIN Section – • SIGNAL PATH BUFFER : PLAY (ANALOG OUT) IC101 : PLAY (DIGITAL OUT) VREF : REC (ANALOG IN) OPT1 A/D CONVERTER DIGITAL INPUT SELECTOR DIGITAL IN IC100 : REC (DIGITAL IN) VREFL...
  • Page 37 • Circuit Boards Location AC board BD board DIGITAL board MOTOR board POWER board PSW board AU board HEADPHONE board RELEASE board OUT SWITCH board FL board ANALOG VOLUME board POSITION SWITCH board – 39 –...

  • Page 38: Note For Printed Wiring Boards And Schematic Diagrams

    6-3. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Note on Schematic Diagram: Note on Printed Wiring Boards: • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. pF: µµF • Y : parts extracted from the conductor side. 50 WV or less are not indicated except for electrolytics •...

  • Page 39: Printed Wiring Board - Bd Section

    6-4. PRINTED WIRING BOARD – BD Section – • See page 39 for Circuit Boards Location. • Semiconductor Location (Component Side) Ref. No. Location D101 D181 D183 IC103 IC123 IC171 Q102 Q103 Q104 – 41 –...
  • Page 40 (Page 58) (Page 52) • Semiconductor Location (Conductor Side) Ref. No. Location IC101 IC121 IC124 IC152 IC181 IC192 Q101 Q162 Q163 Q181 Q182 – 42 –...

  • Page 41: Schematic Diagram – Bd Section (1/2)

    MDS-JA20ES 6-5. SCHEMATIC DIAGRAM – BD Section (1/2) – • • See page 71 for Waveforms. See page 73 and 74 for IC Block Diagrams. (Page 53) (Page 60) (Page 46) – 43 – – 44 –...

  • Page 42: Schematic Diagram - Bd Section (1/2)

    MDS-JA20ES 6-6. SCHEMATIC DIAGRAM – BD Section (2/2) – • • See page 71 for Waveforms. See page 73 and 74 for IC Block Diagrams. (Page 43) The components identified by mark ! or dotted Les composants identifiés par une marque ! sont line with mark ! are critical for safety.

  • Page 43: Printed Wiring Boards - Bd Switch Section

    6-7. PRINTED WIRING BOARDS – BD SWITCH Section – • See page 39 for Circuit Boards Location. (Page 67) – 47 –...

  • Page 44: Schematic Diagram - Bd Switch Section

    6-8. SCHEMATIC DIAGRAM – BD SWITCH Section – (Page 69) – 48 –...

  • Page 45: Printed Wiring Board - Audio Board (Component Side)

    MDS-JA20ES 6-9. PRINTED WIRING BOARD – AUDIO Board (Component Side) – • See page 39 for Circuit Boards Location. – 49 – – 50 –...
  • Page 46 MDS-JA20ES 6-10. PRINTED WIRING BOARDS – AUDIO Baord (Conductor Side) , RELEASE Baord – • See page 39 for Circuit Boards Location. (Page 67) (Page 42) (Page 67) (Page 61) C135 • Semiconductor Location – AU Board – (Page 58)

  • Page 47: Schematic Diagram - Audio Section (1/2)

    MDS-JA20ES 6-11. SCHEMATIC DIAGRAM – AUDIO Section (1/2) – • See page 71 and 72 for Waveforms. (Page 69) (Page 55) (Page 44) (Page 64) – 53 – – 54 –...

  • Page 48: Schematic Diagram - Audio Section (2/2)

    MDS-JA20ES 6-12. SCHEMATIC DIAGRAM – AUDIO Section (2/2) – • • See page 71 and 72 for Waveforms. See page 75 and 76 for IC Block Diagrams. (Page 69) (Page 64) (Page 54) (Page 60) (Page 64) – 55 –...

  • Page 49: Printed Wiring Board - Digital Section

    6-13. PRINTED WIRING BOARD – DIGITAL Section – • See page 39 for Circuit Boards Location. – 57 –...
  • Page 50 (Page 52) (Page 42) (Page 67) • Semiconductor Location Ref. No. Location D800 IC300 IC301 IC302 IC303 IC304 IC305 Q800 – 58 –...

  • Page 51: Schematic Diagram - Digital Section

    MDS-JA20ES 6-14. SCHEMATIC DIAGRAM – DIGITAL Section – • See page 77 for IC Block Diagram. (Page 44) (Page 55) (Page 69) – 59 – – 60 –...

  • Page 52: Printed Wiring Boards - Panel Section

    MDS-JA20ES 6-15. PRINTED WIRING BOARDS – PANEL Section – • See page 39 for Circuit Boards Location. (Page 52) (Page 61) • Semiconductor Location – FL Board – Ref. No. Location D753 (Page 51) D754 D755 IC771 Q753 Q754 (Page 51)

  • Page 53: Schematic Diagram - Panel Section

    MDS-JA20ES 6-16. SCHEMATIC DIAGRAM – PANEL Section – • See page 72 for Waveforms. (Page 56) (Page 56) (Page 54) The components identified by mark ! or dotted Les composants identifiés par une marque ! sont line with mark ! are critical for safety.

  • Page 54: Printed Wiring Board - Power Board (Component Side)

    MDS-JA20ES 6-17. PRINTED WIRING BOARD – POWER Board (Component Side) – • See page 39 for Circuit Boards Location. – 65 – – 66 –...

  • Page 55: Printed Wiring Boards - Power Board (Conductor Side), Ac Board

    MDS-JA20ES 6-18. PRINTED WIRING BOARDS – POWER Board (Conductor Side), AC Board – • See page 39 for Circuit Boards Location. • Semiconductor Location – POWER Baord – Ref. No. Location D400 D705 D706 D708 D709 D710 D711 D712 D713...

  • Page 56: Schematic Diagram - Power Section

    MDS-JA20ES 6-19. SCHEMATIC DIAGRAM – POWER Section – • See page 77 for IC Block Diagrams. (Page 59) (Page 54) (Page 56) (Page 48) The components identified by mark ! or dotted Les composants identifiés par une marque ! sont line with mark ! are critical for safety.
  • Page 57 • Waveforms – BD Board – – AU Board – 6 IC121 @• (XBCK) 1 IC200 2 (BCK) 1 IC101 1 (I), 2 (J) (Play mode) 1.2 ± 0.2 3.3 Vp-p 3.9 Vp-p Vp-p 2.822 MHz 354 ns 2 IC101 4 (A) (Play mode) 7 IC121 @ª...
  • Page 58 – FL Board – 6 IC100 0 (LRCK1) 1 IC771 ^§ (OSCO) 3.6 Vp-p 4 Vp-p Approx. 2.5 MHz 22.7 µ s 7 IC100 !¡ (BCK1) 2 IC771 ^∞ (OSCI) 3.5 Vp-p 1.8 Vp-p Approx. 2.1 MHz 354 ns 8 IC800 !¡ (XOUT) 3.3 Vp-p 32 kHz 9 IC800 !£...
  • Page 59 • IC Block Diagrams – BD Board – IC101 CXA2523AR 43 42 USROP – RF AGC – USRC RFA1 BPF3T RFA2 RFA3 PEAK3T – HLPT –1 – – –2 – OFST PTGR TEMP PEAK – –2 – BOTTOM 36 BOTM –...
  • Page 60 IC121 CXD2654R 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 GENERATOR SERVO 75 TE MNT0 74 SE MNT1 EACH MONITOR 73 AVSS BLOCK CONTROL MNT2...
  • Page 61 – AU Board – IC100 CXD8607N-T6 INRP INLP MODULATOR MODULATOR INRM INLM – – REFI REFO AVDD LVSS AVSS LVDD DECIMATION DECIMATION AVSS(LF) FILTER FILTER VOLTAGE REFERENCE LOW CUT LOW CUT TEST1 VSS1(LF) FILTER FILTER LRCK1 TEST3 BCK1 TEST2 ADDT VSS1 V35A VDD1...
  • Page 62 IC200 CXD8735N-TP INVO INVI BCKI TEST OVERFLOW DETECTER DATA1 128FsO FIR1 FIR2 FIR3 LRCKI DINIT FIR4 INIT OVFLAG MUTEL OVERFLOW DETECTER SHIFT MUTER FIR1 FIR2 FIR3 LATCH FIR4 SYSM 64FSI MCKIN 3rd order X0.75 NOISE L.I.P DVSS1 SHAPER DITHER DVSS1 DVDD1 3rd order DVDD2...
  • Page 63 – DIGITAL Board – – POWER Board – IC300 SN74HC153ANS IC400 LB1641 DATA INPUTS STROBE OUTPUT T.S.D O.C.P SELECT 2C3 2C2 2C1 2C0 MOTOR MOTOR DRIVE DRIVE 2C3 2C2 2C1 2C0 FWD/REV/STOP CONTROL LOGIC 1C3 1C2 1C1 1C0 STROBE 1C3 1C2 1C1 1C0 OUTPUT SELECT DATA INPUTS...

  • Page 64: Ic Pin Function Description

    6-20. IC PIN FUNCTION DESCRIPTION • BD BOARD IC101 CXA2523AR (RF AMP, FOCUS/TRACKING ERROR AMP) Pin No. Pin Name Function I-V converted RF signal I input from the optical pick-up block detector I-V converted RF signal J input from the optical pick-up block detector Middle point voltage (+1.65V) generation output terminal 4 to 9 A to F...
  • Page 65 • BD BOARD IC121 CXD2654R (DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO PROCESSOR, EFM/ACIRC ENCODER/DECODER, SHOCK PROOF MEMORY CONTROLLER, ATRAC ENCODER/DECODER) Pin No. Pin Name Function Focus OK signal output to the system controller (IC800) MNT0 (FOK) “H” is output when focus is on (“L”: NG) MNT1 (SHOCK) Track jump detection signal output to the system controller (IC800) MNT2 (XBUSY)
  • Page 66 Pin No. Pin Name Function Address signal output to the D-RAM (IC124) XRAS Row address strobe signal output to the D-RAM (IC124) “L” active Write enable signal output to the D-RAM (IC124) “L” active Two-way data bus with the D-RAM (IC124) I (S) MVCI Digital in PLL oscillation input from the external VCO Not used (fixed at “L”)
  • Page 67 Pin No. Pin Name Function SRDR Sled servo drive PWM signal (–) output to the BH6511FS (IC152) SFDR Sled servo drive PWM signal (+) output to the BH6511FS (IC152) SPRD Spindle servo drive PWM signal (–) output to the BH6511FS (IC152) SPFD Spindle servo drive PWM signal (+) output to the BH6511FS (IC152) I (S)
  • Page 68 • AU BOARD IC100 CXD8607N (A/D CONVERTER) Pin No. Pin Name Function INRP R-ch analog signal (–) input terminal INRM R-ch analog signal (+) input terminal REFI Reference voltage (+3.3V) input terminal (for A/D converter section) AVDD — Power supply terminal (+5V) (for A/D converter section, analog system) AVSS —...
  • Page 69 Pin No. Pin Name Function Power supply terminal (+5V) (for L-ch side D/A converter section, analog system) AVDDL — Not used (open) L-ch PLM signal 1 output terminal Not used (open) Power supply terminal (+5V) (for L-ch side D/A converter section, digital system) VDD2 —...
  • Page 70 • AU BOARD IC800 M30610MCA-260FP (SYSTEM CONTROLLER) Pin No. Pin Name Function JOG1 JOG dial pulse input from the rotary encoder (S713 ≠ AMS ±) JOG0 JOG dial pulse input from the rotary encoder (S713 ≠ AMS ±) Monitor output terminal for the test C1 error rate is output when test mode ADER Monitor output terminal for the test ADER is output when test mode Subcode Q sync (SCOR) input from the CXD2654R (IC121)
  • Page 71 Pin No. Pin Name Function Laser power select signal output to the CXD2654R (IC121) and HF module switch circuit WR-PWR “H”: recording mode, “L”: playback mode MNT3 (SLOCK) Spindle servo lock status monitor signal input from the CXD2654R (IC121) Two-way data bus with the EEPROM (IC171) +3.3V —...
  • Page 72 Pin No. Pin Name Function Optical in 1/2 or coaxial in selection signal output to the digital input selector (IC300) COAX/XOPT “L”: OPT 1/2, “H”: COAXIAL Optical in 1 or optical in 2 selection signal output to the digital input selector (IC300) OPT2/XOPT1 “L”: OPT 1, “H”: OPT 2 DALATCH...

  • Page 73: Exploded Views

    SECTION 7 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they The components identified by mark ! or dotted line with mark may have some difference from the original are seldom required for routine service.
  • Page 74 4-998-742-01 KNOB (REC-L) (GOLD) 4-992-539-11 KNOB (VOL)(BLACK) 4-998-742-11 KNOB (REC-L) (BLACK) 3-354-981-01 SPRING (SUS), RING 4-998-743-01 KNOB (REC-R) (GOLD) 4-942-568-41 EMBLEM (NO.5), SONY (BLACK) 4-998-743-11 KNOB (REC-R) (BLACK) 4-942-568-51 EMBLEM (NO.5), SONY (GOLD) 4-998-744-01 KNOB (AMS) (GOLD) 4-987-520-01 WINDOW (REMOTE CONTROL) (GOLD)
  • Page 75 (3) CHASSIS SECTION MDM-6A Canadian T700 supplied not supplied supplied not supplied supplied with J790 supplied supplied supplied with supplied RV790 supplied supplied The components identified by Les composants identifiés par une mark ! or dotted line with marque ! sont critiques pour la mark ! are critical for safety.
  • Page 76 (4) MD MECHANISM SECTION-1 (MDM-6A) supplied supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 151 4-999-519-01 BRACKET (TRAY) 4-999-535-01 SHAFT * 152 4-987-267-01 TABLE (EJECT) 4-987-271-01 STOPPER (SHAFT B) 4-999-509-01 TRAY X-4949-787-1 SLIDER (D) ASSY 4-999-528-01 RACK (L) 4-999-512-01 GUIDE (SHAFT) 4-999-544-01 GEAR (TOP)
  • Page 77 (5) MD MECHANISM SECTION-2 (MDM-6A) M103 MBU-5C Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-999-541-01 COLLAR (DAMPER) * 214 X-4949-788-1 BRACKET (MOTOR) ASSY 4-999-539-01 SPRING, COMPRESSION X-4949-786-1 SLIDER ASSY 4-999-540-01 INSULATOR (MD) 4-999-527-01 CHASSIS, MECHANICAL * 204 1-669-051-11 POSITION SWITCH BOARD X-4949-790-1 LEVER (LOCK) ASSY...
  • Page 78 (6) BASE UNIT SECITON (MBU-5C) supplied M101 S102 M102 The components identified by Les composants identifiés par une mark ! or dotted line with marque ! sont critiques pour la mark ! are critical for safety. sécurité. Replace only with part num- Ne les remplacer que par une pièce ber specified.

  • Page 79: Electrical Parts List

    SECTION 8 ELECTRICAL PARTS LIST ANALOG VOLUME NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by mark ! or dotted line with mark parts list may be different from the parts speci- are seldom required for routine service.
  • Page 80 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C141 1-162-282-31 CERAMIC 100PF C142 1-162-282-31 CERAMIC 100PF C259 1-136-818-11 FILM 0.0047uF 5% 100V C143 1-164-159-11 CERAMIC 0.1uF C260 1-136-818-11 FILM 0.0047uF 5% 100V C261 1-136-814-11 FILM 0.001uF 100V C200 1-162-294-31 CERAMIC...
  • Page 81 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D805 8-719-210-21 DIODE 11EQS04 R118 1-259-444-11 CARBON 4.7K 1/6W R119 1-247-887-00 CARBON 220K 1/4W D806 8-719-200-82 DIODE 11ES2 R120 1-247-887-00 CARBON 220K 1/4W < GROUND PLATE > R121 1-247-807-31 CARBON 1/4W R122...
  • Page 82 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R248 1-259-452-11 CARBON 1/6W R249 1-259-452-11 CARBON 1/6W R855 1-249-429-11 CARBON 1/4W R250 1-259-428-11 CARBON 1/6W R856 1-247-807-31 CARBON 1/4W R251 1-259-428-11 CARBON 1/6W R857 1-249-807-81 CARBON 1/4W R252 1-259-428-11 CARBON 1/6W...
  • Page 83 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C153 1-163-021-00 CERAMIC CHIP 0.01uF L161 1-414-813-11 FERRITE C156 1-163-038-00 CERAMIC CHIP 0.1uF L162 1-414-813-11 FERRITE C158 1-163-019-00 CERAMIC CHIP 0.0068uF 10% L181 1-216-295-00 SHORT C160 1-104-601-11 ELECT CHIP 10uF <...
  • Page 84 DIGITAL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R163 1-216-057-00 METAL CHIP 2.2K 1/10W C822 1-104-646-11 CERAMIC 2.2uF R164 1-216-045-00 METAL CHIP 1/10W C823 1-164-159-11 CERAMIC 0.1uF C826 1-164-159-11 CERAMIC 0.1uF R165 1-216-097-00 RES,CHIP 100K 1/10W R166 1-220-149-11 REGISTER...
  • Page 85 DIGITAL HEADPHONE Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R851 1-249-425-11 CARBON 4.7K 1/4W R706 1-249-435-11 CARBON 1/4W R852 1-249-393-11 CARBON 1/4W R712 1-249-421-11 CARBON 2.2K 1/4W R853 1-249-426-11 CARBON 5.6K 1/4W R713 1-247-843-11 CARBON 3.3K 1/4W R714...
  • Page 86 HEADPHONE MOTOR OUT SWITCH POSITION SWITCH POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < RESISTOR > < CAPACITOR > ! R778 1-247-731-11 CARBON 1/2W F C400 1-162-306-11 CERAMIC 0.01uF ! R779 1-247-727-11 CARBON 1/2W F C401 1-162-306-11 CERAMIC 0.01uF...
  • Page 87 POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D706 8-719-200-77 DIODE 10E2N R713 1-249-437-11 CARBON 1/4W D708 8-719-911-19 DIODE 1SS119 D709 8-719-911-19 DIODE 1SS119 R715 1-249-417-11 CARBON 1/4W D710 8-719-911-19 DIODE 1SS119 < RELAY > D711 8-719-200-77 DIODE 10E2N D712...
  • Page 88 MDS-JA20ES RELEASE Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark S722 1-762-875-21 SWITCH, KEYBOARD (PLAY MODE) 7-621-772-40 SCREW +B 2X8 S723 1-762-875-21 SWITCH, KEYBOARD (REPEAT) 7-627-852-08 SCREW, PRECISION +P 1.7X2.5 S724 1-762-875-21 SWITCH, KEYBOARD (SCROLL/CLOCK SET)

Table of Contents