Sony MDS-MX101 Service Manual

Mini disc deck
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3 7 63 1515 0
SERVICE MANUAL
MDS-MX101 is the optional mini disc
deck that can be used only with section
CMT-101.
U.S and foreign patents licensed from Dolby Labo-
ratories Licensing Corporation.
TE
L 13942296513
www
.
MICROFILM
http://www.xiaoyu163.com
System
Disc
Laser
Laser output power
Laser diodo properties
Revolutions (CLV)
Error correction
Sampling frequency
Modulation system
Number of channels
Frequency response
Signal-to-noise ratio
Wow and flutter
DIGITAL IN (MD
OPTICAL IN) input/
DIGITAL OUT (MD
OPTICAL OUT) output
Dimeansions
Mass
Supplied accessory
x
ao
u163
y
i
http://www.xiaoyu163.com
MDS-MX101
2 9
8
Model Name Using Similar Mechanism
MD Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
Q Q
3
6 7
1 3
1 5
MiniDisc digital audio system
MiniDisc
Semicondu2ctor laser (λ = 780nm)
Less than 44.6 µW*
*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.
Material: GaAIAs
Approx. 400 rpm to 900 rpm
Advance Cross
Interleave Reed Solomon Code (ACIRC)
44.1 kHz
EFM (Eight-to-Fourteen Modulation)
2 stereo channels
5 to 20,000 Hz
More than 92 dB (during playback)
Below measurable limit
Square optical connector jack, Optical wave length
660 nm
Approx. 142 × 125 × 235 mm (w/h/d) incl.
projecting parts and controls
Approx. 2 kg
Digital optical cable (1)
co
.
9 4
2 8
AEP Model
UK Model
E Model
Tourist Model
MDS-S38
MDM-3B
KMS-260A/J1N
0 5
8
2 9
9 4
2 8
MINI DISC DECK
m
9 9
9 9

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Summary of Contents for Sony MDS-MX101

  • Page 1 3 7 63 1515 0 SERVICE MANUAL AEP Model UK Model E Model Tourist Model MDS-MX101 is the optional mini disc deck that can be used only with section CMT-101. U.S and foreign patents licensed from Dolby Labo- Model Name Using Similar Mechanism MDS-S38 ratories Licensing Corporation.
  • Page 2: Table Of Contents

    http://www.xiaoyu163.com 3 7 63 1515 0 TABLE OF CONTENTS CAUTION Use of controls or adjustments or performance of SERVICING NOTES procedures other than those specified herein may 1-1. Check Mode of Fluorescent Indicator Tube, result in hazardous radiation exposure. Buttons, and LED’s ............1-3.
  • Page 3: Servicing Notes

    FH-E939, 838, 737, MHC-6600, 5600, CDP/TC u163 Power Function * when checking the recording SYSTEM CONTROL function of MDS-MX101, select Conversion Board any function other than MD using (J-2501-144-A) the Function key of the conversion board before check. — 3 —...
  • Page 4: General

    http://www.xiaoyu163.com SECTION 2 3 7 63 1515 0 This section is extracted from instruction manual. GENERAL 1 Display window 2 MD slot 3 6 EJECT button 4 r REC button 5 CD SYNC button 6 = 0 (finding a point in a track/ fast backward) button ) + (finding a point in a track/ fast forward) button...
  • Page 5: Disassembly

    http://www.xiaoyu163.com SECTION 3 3 7 63 1515 0 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 3-1. COVER AND FRONT PANEL 2 Cover 1 Two screws (Case) 1 Two screws (Case) 4 Flac type wire (16Core) (CN202) 5 Front Panel L 13942296513...
  • Page 6: Opj Board, Power Board

    http://www.xiaoyu163.com 3 7 63 1515 0 3-4. OPJ BOARD, POWER BOARD 8 Power board 5 Two screws (BVTT 3x8) 3 Cord (with Connector) (CN102) 2 Back Panel 1 Two screws (BVTP 3x8) 1 Two screws (BVTP 3x8) 6 Flat type wire (23 Core) 7 Flat type wire (13 Core)
  • Page 7: Bd Board

    http://www.xiaoyu163.com 3 7 63 1515 0 3-6. BD BOARD 2 Flat type wire (15 Core) (CN106) 1 Flexible board 4 OP relay fiexible board (Over write head) (CN101) 5 BD board 3 Screw (BVTT 2x4) L 13942296513 3-7. SUB CHASSIS 1 Two step screws 2 Two step screws 3 Two insulatores...
  • Page 8: Shutter Assembly

    http://www.xiaoyu163.com 3 7 63 1515 0 3-8. SHUTTER ASSEMBLY 1 Stopper washer 2 Shaft (shutter) Shutter assembly Shaft (lid) B 3 Shutter assembly Hole B Shaft (shutter) A Hole A When installing, install the shaft (shutter) into the hole A as shown in the figure before installing the shaft (lid) into the hole B.
  • Page 9: Slider Complete Assembly

    http://www.xiaoyu163.com 3 7 63 1515 0 3-10 . SLIDER COMPLETE ASSEMBLY Claw 3 Set the shaft of Gear (LA) to be at the Claw position in the figure. 45 ° 1 Screw 2 Retainer (Gear) 4 Remove the slider complete (M1.7x2) assembly in the direction of arrow with putting out of...
  • Page 10: Test Mode

    http://www.xiaoyu163.com SECTION 4 3 7 63 1515 0 TEST MODE 4-1. PRECAUTIONS FOR USE OF TEST MODE 4-5. SELECTING THE TEST MODE Thirteen test modes are selected by pressing the = 0 but- 1. As loading related operations will be performed regardless of ton, and ) + button.
  • Page 11 http://www.xiaoyu163.com 3 7 63 1515 0 4-6. OPERATING THE CONTINUOUS PLAYBACK 4-7. OPERATING THE CONTINUOUS RECORDING MODE MODE 4-6-1. Entering the Continuous Playback Mode 4-7-1. Entering the Continuous Recording Mode 1. Set the MO or CD disc in the unit. (Whichever recordable discs 1.
  • Page 12 http://www.xiaoyu163.com 3 7 63 1515 0 4-8. EEP MODE 1. MODE display This mode reads and writes the contents of the non-volatile Displays “TEMP ADJUST”, “CPLAY MODE”, etc.. memory. It is not used in servicing. If set accidentally, press the EDIT/NO button immediately to exit 2.
  • Page 13: Electrical Adjustments

    http://www.xiaoyu163.com SECTION 5 3 7 63 1515 0 ELECTRICAL ADJUSTMENTS 5-3. PRECAUTIONS FOR ADJUSTMENTS 5-1. PRECAUTIONS FOR CHECKING LASER DI- 1) When replacing the following parts, perform the adjustments ODE EMISSION and checks with ® in the order shown in the following table. To check the emission of the laser diode during adjustments, never view directly from the top as this may lose your eyesight.
  • Page 14 http://www.xiaoyu163.com 3 7 63 1515 0 5-5. TEMPERATURE COMPENSATION OFFSET 5-6. LASER POWER ADJUSTMENT ADJUSTMENT Connection: Save the temperature data at that time in the non-volatile memory laser power meter as 25°C reference data. Notes: 1. Usually, do not perform this adjustment. 2.
  • Page 15 http://www.xiaoyu163.com 3 7 63 1515 0 5-7. TRAVERSE (E-F BALANCE) ADJUSTMENT 8. Press the = 0 button or ) + button so that the waveforms of the oscilloscope becomes the specified value. Note 1: Data will be erased during MO reading if a recorded (When the = 0 button or ) + button is pressed, disc is used in this adjustment.
  • Page 16 http://www.xiaoyu163.com 3 7 63 1515 0 5-8. FOCUS BIAS ADJUSTMENT 5-9. ERROR RATE CHECK Adjusting Method: 5-9-1. CD Error Rate Check 1. Load a continuously recorded disc (Refer to “5-4. Creating Checking Method: MO Continuously Recorded Disc”.). 1. Load a test disc TDYS-1. 2.
  • Page 17 http://www.xiaoyu163.com 3 7 63 1515 0 5-11. ADJUSTING POINTS AND CONNECTING POINTS — BD BOARD (SIDE A) — CN110 I+3V CN101 D101 IC192 L 13942296513 — BD BOARD (SIDE B) — IC171 IC101 IC121 u163 – 17 – http://www.xiaoyu163.com...
  • Page 18: Diagrams

    http://www.xiaoyu163.com 3 7 63 1515 0 SECTION 6 DIAGRAMS 6-1. CIRCUIT BOARDS LOCATION POWER board SW board OPJ board INDICATION board BD board CONTROL board DIGITAL board L 13942296513 E.SW board u163 – 18 – http://www.xiaoyu163.com...
  • Page 19: Block Diagram

    3 7 63 1515 0 MDS-MX101 6-2. BLOCK DIAGRAM Q180 DIGITAL SIGNAL PROCESSOR HR901 IC121 OVER WRITE HEAD OVER WRITE OVER WRITE WAVE OPTICAL EFMO HEAD DRIVE HEAD DRIVE SHAPER INPUT DIGITAL IN Q181,182 IC181 DIGITAL IC102 IC104 AUDIO...
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  • Page 28: Ic Block Diagrams

    3 7 63 1515 0 MDS-MX101 6-11. IC BLOCK DIAGRAMS IC101 CXA2523R (BD board) IC100 LB1641 (POWER board) IC101 LA5620 (POWER board) 43 42 T.S.D O.C.P USROP – RF AGC MOTOR MOTOR – – DRIVE DRIVE USRC RFA1 BPF3T...
  • Page 29: Ic Pin Functions

    http://www.xiaoyu163.com 3 7 63 1515 0 6-12. IC PIN FUNCTION • BD BOARD IC101 CXA2523R (RF AMPLIFIER) Pin No. Pin Name Description 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 30 http://www.xiaoyu163.com 3 7 63 1515 0 • BD BOARD IC121 CXD2652AR (DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO PROCESSOR, EFM/ACIRC ENCODER/DECODER, SHOCK PROOF MEMORY CONTROLLER, ATRAC ENCODER/DECODER, 2M BIT D-RAM) Pin No. Pin Name Description Focus OK signal output to the mechanism controller (IC100) “H” is output when focus is on SHCK Track jump detection signal output to the mechanism controller (IC100) XBUSY...
  • Page 31 http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Description DVSS — Ground terminal (digital system) Output enable signal output to the external D-RAM XCAS Column address strobe signal output to the external D-RAM Address signal output to the external D-RAM XRAS Row address strobe signal output to the external D-RAM Write enable signal output to the external D-RAM...
  • Page 32 http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Description TRDR Tracking servo drive PWM signal output terminal (–) TFDR Tracking servo drive PWM signal output terminal (+) DVDD — Power supply terminal (+3.3V) (digital system) FFDR Focus servo drive PWM signal output terminal (+) FRDR Focus servo drive PWM signal output terminal (–) Clock signal (176.4kHz) output terminal (X’tal system) (Not used)
  • Page 33 http://www.xiaoyu163.com 3 7 63 1515 0 • DIGITAL BOARD IC200 RU8X12MF-0019 (MECHANISM CONTROLLER) Pin No. Pin Name Description DAOUT0 Output terminal for the test. C1 is output when test mode (Not used) DAOUT1 Output terminal for the test. ADER is output when test mode (Not used) KEY0 KEY1 Key data, DA input...
  • Page 34 http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Description — — (Not used) — — (Not used) — — (Not used) BUS-OUT Audio bus output — Ground terminal +3.3V — Power supply terminal (+3.3V) — — (Not used) JOG 1 —...
  • Page 35 http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Description Laser modulation select signal output — — (Not used) DEMP De-emphasis selection output SCTX Recording data output enable signal output. Laser modulation select signal output XLATCH Serial latch signal output to the CXD2652AR (IC121) and A/D, D/A converter (IC202) PWAD A/D/A selection output PWDA...
  • Page 36: Exploded Views

    Remarks Ref. No. Part No. Description Remarks 4-994-706-01 PLATE (MD), ORNAMENTAL 1-667-226-11 E.SW BOARD 4-942-636-21 EMBLEM (NO.3.5), SONY 4-951-620-01 SCREW (2.6X8), +BVTP 4-930-336-61 FOOT (FELT) A-4699-833-A INDICATION BOARD, COMPLETE X-4948-978-1 PANEL ASSY, FRONT 3-704-366-61 SCREW (CASE) 1-667-225-11 CONTROL BOARD * 10...
  • Page 37 http://www.xiaoyu163.com 3 7 63 1515 0 7-2. CHASSIS SECTION L 13942296513 not supplied not supplied not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-965-822-01 FOOT 1-782-898-11 WIRE (FLAT TYPE) (23 CORE) 1-782-901-11 WIRE (FLAT TYPE) (19 CORE) * 57 A-4699-876-A POWER BOARD, COMPLETE 1-782-900-11 WIRE (FLAT TYPE) (29 CORE)
  • Page 38 http://www.xiaoyu163.com 3 7 63 1515 0 7-3. MECHANISM DECK SECTION-1 (MDM-3B) not supplied not supplied not supplied L 13942296513 not supplied not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-628-167-01 SCREW, STEP 1-660-966-11 PC BOARD, OP RALAY FLEXIBLE 4-987-327-01 INSULATOR * 107 A-4699-770-A BD BOARD, COMPLETE...
  • Page 39 http://www.xiaoyu163.com 3 7 63 1515 0 7-4. MECHANISM DECK SECTION-2 (MDM-3B) not supplied supplied not supplied L 13942296513 M901 M902 M903 HR901 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-4672-138-A SLIDER COMPLETE ASSY BOARD A-3304-200-A SCREW ASSY, LEAD * 152 4-983-439-01 BRACKET (DAMPER) 4-963-914-02 RACK (INSERTER)
  • Page 40: Electrical Parts List

    http://www.xiaoyu163.com SECTION 6 ELECTRICAL PARTS LIST 3 7 63 1515 0 NOTE: • Due to standardization, replacements in the • RESISTORS When indicating parts by reference number, parts list may be different from the parts All resistors are in ohms. please include the board name.
  • Page 41 http://www.xiaoyu163.com CONTROL 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < COIL > R144 1-216-025-91 METAL GLAZE 1/10W R146 1-216-037-00 METAL CHIP 1/10W L101 1-414-235-11 INDUCTOR, FERRITE BEAD R147 1-216-025-91 METAL GLAZE 1/10W L102 1-414-235-11 INDUCTOR, FERRITE BEAD...
  • Page 42 http://www.xiaoyu163.com CONTROL DIGITAL 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < RESISTOR > C229 1-163-038-91 CERAMIC CHIP 0.1uF C230 1-164-232-11 CERAMIC CHIP 0.01uF R406 1-249-435-11 CARBON 1/4W C231 1-124-779-00 ELECT CHIP 10uF R407 1-249-429-11 CARBON...
  • Page 43 http://www.xiaoyu163.com DIGITAL E.SW 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < COIL > R242 1-216-025-91 METAL GLAZE 1/10W R243 1-216-025-91 METAL GLAZE 1/10W L200 1-412-029-11 INDUCTOR CHIP 10uH R244 1-216-073-00 METAL CHIP 1/10W L201 1-412-026-11 INDUCTOR CHIP 1uH...
  • Page 44 http://www.xiaoyu163.com INDICATION POWER 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-4699-833-A INDICATION BOARD, COMPLETE 1-667-223-11 OPJ BOARD ************************** ********** 4-994-815-01 HOLDER (FL) < CAPACITOR > 4-995-175-01 CUSHION (FL) C127 1-126-933-11 ELECT 100uF <...
  • Page 45 http://www.xiaoyu163.com POWER 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C125 1-164-159-11 CERAMIC 0.1uF < RESISTOR > C126 1-164-159-11 CERAMIC 0.1uF C128 1-164-159-11 CERAMIC 0.1uF R100 1-249-393-11 CARBON 1/4W F C131 1-126-964-11 ELECT 10uF R101...
  • Page 46 MDS-MX101 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks MISCELLANEOUS ************** HARDWARE LIST ************** ************** 1-782-897-11 WIRE (FLAT TYPE) (16 CORE) 1-782-901-11 WIRE (FLAT TYPE) (19 CORE) 7-685-646-19 SCREW +BVTP 3X8...

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