Sony MDX-61 Service Manual
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Sony MDX-61 Service Manual

Sony MDX-61 Service Manual

Minidisc changer
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See also: Operating Instructions
SERVICE MANUAL
Ver 1.1 2001.08
This set is automatic electrical adjustment.
System
Mini disc digital audio system
Laser Diode Properties
Material: GaAlAs
Wavelength: 780nm
Emission Duration: Continuous
Laser out-put Power: Less than 44.6 W*
* This output is the value measured at a distance
of 200 mm from the objective lens surface on
the Optical Pick-up Block.
Frequency response
20–20,000 Hz
Wow and flutter
Below measurable limit
Signal-to-noise ratio
95 dB
Output
Bus control output (8 PIN)
Analog audio output (RCA PIN)
Sony Corporation
9-925-528-12
2001H0500-1
e Vehicle Company
C 2001.8
Shinagawa Tec Service Manual Production Group
MDX-61
Model Name Using Similar Mechanism
Base Mechanism Type
Optical Pick-Up Name
SPECIFICATIONS
Current drain
300 mA (MD playback)
600 mA (during loading or ejecting a disc)
Dimensions Approx. 176 83.5 125 mm
(7 3
3
/
8
not incl. projecting parts and controls
Mass
Approx. 1.1 kg (2 lb. 7 oz.)
Power requirement
12 V DC car battery
(negative ground)
Supplied accessories
Mounting hard ware (1 set)
Bus cable 5.5 m (1)
RCA pin cord 5.5 m (1)
U.S. and foreign patents licensed from Dolby Laboratories
Licensing Corporation.
Design and specifications subject to change without notice.
US Model
Canadian Model
AEP Model
UK Model
E Model
5 in.) (w/h/d)
– Continued on next page –
MINIDISC CHANGER
MDX-60
MG-798-133
KMS-193C/J2N
loading

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Summary of Contents for Sony MDX-61

  • Page 1 Wow and flutter Below measurable limit Signal-to-noise ratio 95 dB Output Bus control output (8 PIN) Analog audio output (RCA PIN) Sony Corporation 9-925-528-12 2001H0500-1 e Vehicle Company C 2001.8 Shinagawa Tec Service Manual Production Group MDX-61 Model Name Using Similar Mechanism...

  • Page 2: Table Of Contents

    Also, the key control to this set is done through a serial communication with the master unit (SONY Bus System compatible car audio, TV tuner, source selector, etc.). Accordingly, if repairing this set,...

  • Page 3: General

    SECTION 1 This section is extracted from instruction manual. GENERAL – 3 –...
  • Page 4 – 4 –...
  • Page 5 – 5 –...
  • Page 6 – 6 –...

  • Page 7: Disassembly

    SECTION 2 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. FRONT PANEL ASS’Y, CASE (UPPER) 5 case (upper) 1 two screws (B2.6 1 two screws (B2.6 2 claw 3 front panel ass’y 2 claw 4 connector (CN620) 1 two screws (B2.6 REAR PANEL ASS’Y, MD SECTION 2 rear panel ass’y...
  • Page 8 CHASSIS (GEAR) ASS’Y, MAIN BOARD 1 three screws (P1.7 CHASSIS (BASE) ASS’Y, CHASSIS (OP) ASS’Y 5 Pull up the chassis (OP) ass’y in the arrow A direction. 1 four screws (P1.7 1.8) 1 screw (P1.7 1.8) 2 feed screw (ELV) ass’y 1.8) 2 chassis (gear) ass’y 3 special flat screw (1.7...
  • Page 9 SERVO BOARD 2 three special head screws (M1.7 3 flexible board (CN100) 5 connector (CN301) 6 servo board 1 flexible board (CN200) 4 flexible board (CN400) OPTICAL PICK-UP (KMS-193C/J2N) 1 two screw (K1.7 3.5) 2 optical pick-up (KMS-193C/J2N) – 9 –...

  • Page 10: Diagrams

    SECTION 3 DIAGRAMS Circuit Boards Location SW board POWER board MAIN board SERVO board LAMP board – 10 –...

  • Page 11: Block Diagram

    +5V REG. +3.3V Q953 Q954 PL620 LAMP DRIVE ILLUMINATION 12 SES Q600, 601 LAMP ILL ON 6 M1 STR-SW S600 (SHASSIS) 7 M1 (STOP) XTAL X600 10MHz EXTAL 8 M2 X601 32.768kHz 9 M2 – 12 – MDX-61 Q950 B+ SWITCH...
  • Page 18 IC Block Diagrams – SERVO section – IC200 CXD2535CR-1 74 73 72 71 69 68 67 66 65 63 62 61 60 58 57 56 55 54 34 MHz SE 76 ANALOG MUX COMP TE 77 OP AMP TENV 78 ENCODER/ DECODER CONVERTER...

  • Page 19: Ic Pin Function Description

    3-8. IC PIN FUNCTION DESCRIPTION SERVO BOARD IC100 CXA1981AR (RF AMP) Pin No. Pin Name Output terminal for the center point voltage (1/2 VCC) generated Signal input from detector circuit in the optical pick-up block Signal input of the operational amplifier for F signal Signal output of the operational amplifier for F signal Front monitor APCREF...
  • Page 20 SERVO BOARD IC200 CDX2535CR-1 (DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO SIGNAL PROCESSOR, EFM/ACIRC ENCODER/DECODER) Pin No. Pin Name FS256 11.2896MHz clock signal output (MCLK system) Focus OK signal output to the system controller (IC600) “H” is output when the focus is applied DFCT Defect ON/OFF selection signal output to CXD2536CR (IC500) SHCK...
  • Page 21 Pin No. Pin Name WFCK clock (7.35kHz) signal output (When playback : EFM decoder PLL system, WFCK When recoding : EFM encoder PLL system) GTOP Opens the playback EFM frame sync protection window when “H” The playback EFM frame sync and interpolation protection timing match when “H” Not used this set (OPEN) EFM decoder PLL clock (98Fs=4.3218MHz) signal output XPLCK...
  • Page 22 Pin No. Pin Name DCHG I (A) Connected to the Ground I (A) Input terminal for the laser APC TEST1 Test input terminal (Fixed at “L”) ADIP double turned FM signal input from CXA1981AR (IC100) ADFG (22.05kHz TS25 Test input terminal (Fixed at “L”) LDDR Laser APC signal output to CXA1981AR (IC100) TRDR...
  • Page 23 MAIN BOARD IC500 CXD2536R (SHOCK PROOF MEMORY CONTROLLER, ATRAC ENCODER/DECODER) Pin No. Pin Name – Power supply terminal (+3.3V) SWDT Write data signal input from the system controller (IC600) Serial clock signal input from the system controller (IC600) XLAT Serial latch signal input from the system controller (IC600) SRDT Read data signal output to the system controller (IC600) SENSE...
  • Page 24 Pin No. Pin Name – Ground terminal – Power supply terminal (+3.3V) 52-55 A03-A00 Address signal output to the RAM (IC501) 56-60 A04-A08 Address signal output to the RAM (IC501) Output enable control signal output to the RAM (IC501) XCAS Column address strobe signal output to the RAM (IC501) –...
  • Page 25 MAIN BOARD IC600 CXP84340-043Q (SYSTEM CONTROLLER) Pin No. Pin Name T13-T17 Test key (4 Elevator motor (M904) drive signal output (UP) *1 Elevator motor (M904) drive signal output (DOWN) *1 Loading motor (M903) drive signal output *2 Loading motor (M903) drive signal output *2 MDMON Power control output (Mechanism deck system) Detection signal input from the loading end sensor switch (S902)
  • Page 26 Pin No. Pin Name LIMIT-SW Detection signal input from the limit switch (S400) When sled limit in : "L" DOOR-SW Detection signal input from the door open/close switch (S620) When open : "L" MD-LAT Serial latch signal output to RF AMP (IC100), CXD2535CR (IC200) and CXD2536CR (IC500) Reset signal output to RF AMP (IC100), CXD2535CR (IC200) and CXD2536CR (IC500) MD-RST When reset "L"...

  • Page 27: Exploded Views

    Ref. No. Part No. Description X-3371-273-1 DOOR (S) ASSY(/EXP) 3-930-168-11 DOOR (P) 3-912-956-11 SCREW (2.6X6) (CU), +BVTT 4-969-961-01 EMBLEM (NO.4), SONY X-3373-364-1 PANEL (FRONT) ASSY (/EXP) 1-664-517-11 LAMP BOARD 3-909-607-01 SCREW 3-930-172-31 CASE (UPPER) 3-930-175-11 COVER (CORD) X-3371-225-1 PANEL (REAR) ASSY (/EXP)
  • Page 28 Ver 1.1 4-2. MECHANISM SECTION-1 (MG-798-133) Ref. No. Part No. Description 3-930-351-01 WHEEL (ELV), WORM 3-377-719-11 WASHER, POLYETHYLENE 3-880-990-00 SCREW (1.7X3),FLAT,(+) SPECIAL * 54 A-3294-229-A MAIN BOARD, COMPLETE 1-776-474-11 CABLE, FLAT 7P 1-658-887-11 MAIN FLEXIBLE BOARD 1-658-881-11 SERVO FLEXIBLE BOARD 3-909-412-01 SCREW (+P) (1.7X2) (TYPE 3) A-3309-891-A SENSOR BOARD, COMPLETE 3-930-312-01 BEARING (ELV)
  • Page 29 4-3. MECHANISM SECTION-2 (MG-798-133) not supplied Ref. No. Part No. Description 3-377-719-11 WASHER, POLYETHYLENE 3-930-354-01 LEVER, DISK EJECT 3-930-350-01 SPRING (EJ), TORSION 3-930-318-51 BUTTON (EJECT) 3-930-318-41 BUTTON (EJECT) 3-930-318-31 BUTTON (EJECT) 3-930-318-21 BUTTON (EJECT) 3-930-318-11 BUTTON (EJECT) 3-930-318-01 BUTTON (EJECT) 3-930-314-01 ESCUTCHEON 3-930-319-01 BUTTON (STOP) 3-930-311-01 RETAINER (ELV)
  • Page 30 4-4. MECHANISM SECTION-3 (MG-798-133) RV901 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 number Ne les remplacer que par une pièce specified.

  • Page 31: Electrical Parts List

    NOTE: Due to standardization, replacements in the parts list may be different from the parts speci- fied in the diagrams or the components used on the set. -XX and -X mean standardized parts, so they may have some difference from the original one. RESISTORS All resistors are in ohms.
  • Page 32 MAIN Ref. No. Part No. Description * CN604 1-580-056-21 PIN, CONNECTOR 3P CN700 1-580-055-21 PIN, CONNECTOR 2P CN701 1-580-055-21 PIN, CONNECTOR 2P < DIODE > D502 8-719-421-36 DIODE MA8036-L D560 8-719-988-62 DIODE 1SS355 D561 8-719-988-62 DIODE 1SS355 D562 8-719-988-62 DIODE 1SS355 D600 8-719-422-64 DIODE MA8062-M <...
  • Page 33 Ref. No. Part No. Description RB604 1-239-516-11 RESISTOR, NETWORK (1608) 1Kx4 RB605 1-239-517-11 RESISTOR, NETWORK (1608) 100Kx4 RB606 1-239-516-11 RESISTOR, NETWORK (1608) 1Kx4 RB607 1-239-516-11 RESISTOR, NETWORK (1608) 1Kx4 RB609 1-239-516-11 RESISTOR, NETWORK (1608) 1Kx4 < SWITCH > S600 1-571-914-21 SWITCH, KEY BOARD (STOP) <...
  • Page 34 Ver 1.1 POWER SENSOR Ref. No. Part No. Description < COIL > L950 1-409-640-21 COIL, CHIP CHOKE L951 1-403-584-11 COIL, CHIP CHOKE L952 1-409-640-21 COIL, CHIP CHOKE L953 1-403-584-11 COIL, CHIP CHOKE L954 1-409-640-21 COIL, CHIP CHOKE < FILTER > NF900 1-239-466-21 FILTER, EMI <...
  • Page 35 Ref. No. Part No. Description A-3222-980-A SERVO BOARD, COMPLETE ********************* < CAPACITOR > C102 1-135-259-11 TANTAL. CHIP 10uF C103 1-135-259-11 TANTAL. CHIP 10uF C104 1-162-964-11 CERAMIC CHIP 0.001uF 10% C105 1-162-969-11 CERAMIC CHIP 0.0068uF 10% C106 1-164-227-11 CERAMIC CHIP 0.022uF 10% C107 1-162-970-11 CERAMIC CHIP 0.01uF...
  • Page 36 MDX-61 SERVO Ref. No. Part No. Description RB203 1-233-576-11 RES, CHIP NETWORK 100x4 < SWITCH > S400 1-692-532-21 SWITCH, PUSH (1 KEY) (LIMIT DET) ************************************************************* MISCELLANEOUS ************** 1-776-474-11 CABLE, FLAT 7P 1-658-887-11 MAIN FLEXIBLE BOARD 1-658-881-11 SERVO FLEXIBLE BOARD 1-658-880-11 EHS FLEXIBLE BOARD...
  • Page 37 MDX-61 MEMO – 51 –...
  • Page 38 MDX-61 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date 2001.08 1998.01 1997.01 Description of Revision Correction-1 is included.