Sony MDX-65 Service Manual
Minidisc changer
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- Operating instructions manual (50 pages) ,
- Service manual (38 pages) ,
- Operating instructions (4 pages)
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Operating Instructions
SERVICE MANUAL
Dolby noise reduction extension manufactured under license
from Dolby Laboratories Licensing Corporation.
"DOLBY" and the double-D symbol a are trademarks of Dolby
Laboratories Licensing Corporation.
SPECIFICATIONS
System
Mini disc digital audio system
Laser Diode Properties
Material: GaAlAs
Wavelength: 780 nm
Emission Duration: Continuous
Laser output Power: 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.
Frequency response
10 – 20,000 Hz
Wow and flutter Below measurable limit
Signal-to-noise ratio
95 dB
Outputs
Bus control output (8 PIN)
Analog audio output (RCA PIN)
Current drain
300 mA (MD playback)
600 mA (during loading or ejecting a
disc)
Approx. 176 × 83.5 × 142 mm
Dimensions
(7 × 3
× 5
/
/
in.) (w/h/d) not incl.
3
18
8
32
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 hardware (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.
MICROFILM
MDX-65
Model Name Using Similar Mechanism
Mini Disc Mechanism Type
Optical Pick-up Name
FEATURES
• Sony BUS system compatible with mobile MD
changers.
• Direct-in system for inserting and removing
MDs easily.
• No waiting time to change discs in continuous
play.
• The MD changer compartment has a built in light
for easy use even in the dark.
• 1 bit Digital/Analog converter for high quality
sound reproduction.
– 1 –
US Model
Canadian Model
AEP Model
UK Model
E Model
MDX-62
MG-798K-133
KMS-241A/J2N
MINIDISC CHANGER
Table of Contents
Related Manuals for Sony MDX-65
Summary of Contents for Sony MDX-65
- Page 1 Optical Pick-up Name KMS-241A/J2N Laboratories Licensing Corporation. SPECIFICATIONS FEATURES System Mini disc digital audio system • Sony BUS system compatible with mobile MD Laser Diode Properties changers. Material: GaAlAs • Direct-in system for inserting and removing Wavelength: 780 nm MDs easily.
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Page 2: Table Of Contents
CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU IN SUPPLEMENTS PUBLISHED BY SONY. -
Page 3: Service Note
For key control, the this set is controlled through serial communication with a master unit (car audio player, TV tuner or source selector compatible with the Sony BUS system.) To service the this set, the set should be connected as given below:... -
Page 4: General
SECTION 2 GENERAL This section extracted from US, Canadian, E model’s instruction manual. – 4 –... - Page 5 – 5 –...
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Page 6: Disassembly
SECTION 3 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 3-1. PANEL (REAR) ASSY 4 BVTT 2.6x6 6 panel (rear) assy 3 BVTT 2.6x6 2 PTT 2.6x8 5 CN901 1 cover 3-2. CASE (UPPER) 3 case (upper) 1 BVTT 2.6x6 2 BVTT 2.6x6 –... -
Page 7: Panel (Front) Assy
3-3. PANEL (FRONT) ASSY 3 panel (front) assy 1 claw 2 claw 4 CN620 3-4. MD BLOCK 4 tension spring (FL) 6 MD block 1 damper (798) 5 tension spring (FL) 2 damper (798) 3 tension spring (FL) – 7 –... -
Page 8: Main Board
3-5. MAIN BOARD 3 escutcheon 6 chassis (front) 0 CN600 7 collar (EHS) !¡ CN601 !¢ CN701 !™ CN500 5 lead stopper 4 screws !∞ CN700 (M1.7) 2 screws (M1.7) 1 cushion 9 CN602 !¶ special flat screws (1.7x3) !• MAIN board !£... -
Page 9: Servo Board
3-7. SERVO BOARD 3 screws (M1.7x2.2) 6 CN100 5 CN300 7 SERVO board 1 CN200 2 Unsolder the 4 CN400 motor lead wires. 3-8. OPTICAL PICK-UP 1 screws (K1.7x3.5) 2 optical pick-up – 9 –... -
Page 10: Note On Assembly For The Chassis (Op) Block
3-9. NOTE ON ASSEMBLY FOR THE CHASSIS (OP) BLOCK 1 worm wheel (ELV2) 3 bearing (ELV) 4 bearing (ELV) 5 chassis (OP) block 2 Turn the three feed screw (ELV) assy fully in the direction of arrows A . 8 chassis (bottom) assy 6 bearing (ELV) 7 bearing (ELV) 0 precision screws... -
Page 11: Diagrams
SECTION 4 DIAGRAMS 4-1. IC PIN DESCRIPTIONS • IC100 CXA2523AR (RF AMP) Pin No. Pin Name Pin Description I-V converted RF signal input (I) from detector of optical pick-up. I-V converted RF signal input (J) from detector of optical pick-up. Center voltage (+1.65 V) generation output 4 –... - Page 12 Serial data input for SONY BUS. UNISO Serial data output for SONY BUS. UNI CKI Serial clock input for SONY BUS. LINKOFF Link control signal output for SONY BUS. (“H” : Link OFF) — Not used. — Not used. 51, 52 D-BASS1, 2 Digital D-BASS select output 1, 2 (Not used in this set.)
- Page 13 Pin No. Pin Name Pin Description — Not used. EE CS Chip select output to EEPROM. (Not used in this set.) EE CKO Serial clock output to EEPROM. (Not used in this set.) EE SIO Data input from/output to EEPROM. (Not used in this set.) SENS Internal status input from CXD2652AR (IC200).
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Page 14: Circuit Boards Location
4-2. CIRCUIT BOARDS LOCATION SENSOR board POWER board MAIN board LAMP board SERVO board – 14 –... -
Page 15: Block Diagram
MDX-65 4-3. BLOCK DIAGRAM IC902 OPTICAL PICK-UP BLOCK IC902 DIGITAL OUT (KMS-241A/J2N) IC100 IC600 IC900 IC601 DETECTOR RF AMP SYSTEM CONTROL BUS INTERFACE RESET CN900 (BUS CONTROL OUT) RESET SYS RST XRST 71 MD RST RESET 15 SWDT SWDT XLAT... -
Page 16: Printed Wiring Boards -Servo Section
MDX-65 4-4. PRINTED WIRING BOARDS — SERVO SECTION — THIS NOTE IS COMMON FOR PRINDED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) for schematic diagrams • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. - Page 17 MDX-65 • Semiconductor Location Ref. No. Location D300 IC100 IC200 IC201 IC202 IC300 Q100 Q200 (Page 27) – 19 – – 20 –...
- Page 18 MDX-65 4-5. SCHEMATIC DIAGRAM — SERVO SECTION — • Refer to page 33 for Waveforms and page 35 for IC Block Diagrams. – 21 – – 22 –...
- Page 19 MDX-65 4-6. SCHEMATIC DIAGRAM — MAIN SECTION — • Refer to page 34 for Waveforms and page 37 for IC Block Diagrams. – 23 – – 24 –...
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Page 20: Printed Wiring Boards -Main Section
MDX-65 4-7. PRINTED WIRING BOARDS — MAIN SECTION — • Semiconductor Location Ref. No. Location D500 D501 D600 D601 D602 D800 D801 IC500 IC600 IC601 IC602 IC603 IC700 IC701 Q500 Q600 Q601 Q602 Q800 Q801 ) : SIDE B – 25 –... - Page 21 MDX-65 (Page 30) (Page 20) – 27 – – 28 –...
- Page 22 MDX-65 4-8. PRINTED WIRING BOARD — POWER BOARD — • Semiconductor Location Ref. No. Location D900 D901 D902 (Page 27) D903 D904 D905 D930 D940 D941 D950 D951 D952 D970 IC900 (IC902) IC930 IC970 Q910 Q920 Q930 Q931 Q932 Q940...
- Page 23 MDX-65 4-9. SCHEMATIC DIAGRAM — POWER SECTION — • Refer to page 37 for IC Block Diagrams. (Page 24) – 31 – – 32 –...
- Page 24 • Waveforms – Main Section – – Servo Section – 1 IC100 4 (A) PLAY MODE 5 IC100 #• (RF) PLAY MODE 9 IC200 @§ (XBCK) 1 IC600 !º (X2) 5 IC500 1 (XT1) 200 mV/DIV, 10 µsec/DIV 500 mV/DIV, 1 µsec/DIV 3.2 Vp-p 3.2 Vp-p 2.7 Vp-p...
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Page 25: Ic Block Diagrams
• IC Block Diagrams – Servo Section – IC100 CXA2523AR 43 42 USROP – RF AGC – USRC RFA1 BPF3T RFA2 RFA3 PEAK3T – HLPT –1 – – –2 – OFST PTGR TEMP PEAK – –2 – 36 BOTM BOTTOM –... - Page 26 IC200 CXD2652AR 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 75 AUX2 SPINDLE GENERATOR SERVO 74 TE MNT0 73 SE MNT1 MONITOR EACH 72 AVSS CONTROL BLOCK...
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Page 27: Main Section
– Main Section – IC500 PCM1718E-T1 IC700, 701 LB1638MTP-T1 N.C. CONTROL DGND CLKO INPUT MUTE INTERFACE LRCIN OUT1 MODE CONTROL RSTB DIGITAL FORMAT FILTER BCKIN OUT2 NOISE SHAPER ZERO 5 LEVEL 5 LEVEL N.C. LOWPASS LOWPASS FILTER FILTER CMOS CMOS D/C R D/C L VOUTR... -
Page 28: Exploded Views
SECTION 5 EXPLODED VIEWS NOTE: • The mechanical parts with no reference • Color Indication of Appearance Parts The components identified by number in the exploded views are not supplied. Example : mark ! or dotted line with mark. • Items marked “*” are not stocked since ! are critical for safety. -
Page 29: Main Board Section
5-2. MAIN BOARD SECTION MG-798K-133 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 51 3-931-149-02 SHEET (MAIN PC BOARD) 3-931-699-01 CUSHION (ROLL H) * 52 A-3294-565-A MAIN BOARD, COMPLETE (US,Canadian,E) * 59 3-931-025-11 SHEET (MECHANISM DECK) * 52 A-3294-667-A MAIN BO ARD , COMPLETE (AEP... -
Page 30: Md Section (1)
5-3. MD SECTION (1) (MG-798K-133) S903 S902 M903 M904 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-317-552-71 SCREW (M1.7) 3-377-719-11 WASHER, POL YETHYLENE 3-930-314-01 ESCUTCHEON 3-930-317-01 GEAR (LD) 3-930-319-01 BUTTON (STOP) * 114 X-3374-670-1 CHASSIS (BOTTOM) ASSY * 104 3-930-320-01 CHASSIS (FRONT) -
Page 31: Md Section (2)
5-4. MD SECTION (2) (MG-798K-133) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 151 X-3371-209-3 CHASSIS (TOP) ASSY 3-930-350-01 SPRING (EJ), TORSION * 152 3-020-388-01 GUIDE (HOLDER 2) X-3371-216-1 HOLDER (CADDIE) ASSY 6 1) 3-930-318-01 BUTTON (EJECT) ( 3-930-352-01 SPRING (D LOCK), TENSION... -
Page 32: Md Section (3)
5-5. MD SECTION (3) (MG-798K-133) RV901 M902 S901 M901 The components identified by Les composants identifiés par une mark ! or dotted line with mark. marque ! sont critiques pour la ! are critical for safety. sécurité. Replace only with part number Ne les remplacer que par une piéce specified. -
Page 33: Electrical Parts List
SECTION 6 LAMP MAIN ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in • Items marked “*” are not stocked since The components identified by the parts list may be different from the they are seldom required for routine service. mark ! or dotted line with mark. - Page 34 MAIN POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark IC700 8-759-823-87 IC LB1638M < NETWORK RESISTOR > IC701 8-759-823-87 IC LB1638M RB601 1-233-412-11 RES, CHIP NETWORK 1.0K (3216) < RESISTOR > RB602 1-233-810-21 RES, CHIP NETWORK 100K (3216) RB603 1-233-412-11...
- Page 35 POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C973 1-164-004-11 CERAMIC CHIP 0.1uF < TRANSISTOR > C974 1-164-004-11 CERAMIC CHIP 0.1uF C975 1-126-204-11 ELECT CHIP 47uF Q910 8-729-920-21 TRANSISTOR DTC314TKH04 C976 1-128-590-11 ELECT CHIP 100uF 6.3V Q920 8-729-920-21...
- Page 36 SENSOR SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-3317-382-A SENSOR BOARD, COMPLETE < CONNECTOR > ************************ When replacing any parts in the SENSOR board, CN100 1-573-929-11 CONNECTOR, FFC/FPC (ZIF) 20P the whole mounted board should be replaced. CN200 1-573-370-21 CONNECTOR, FFC/FPC 30P...
- Page 37 SERVO Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R215 1-216-825-11 MET AL CHIP 2.2K 1/16W ************** R216 1-216-825-11 MET AL CHIP 2.2K 1/16W HARD WARE LIST R217 1-216-825-11 MET AL CHIP 2.2K 1/16W ************** < NETWORK RESISTOR > 7-685-793-09 SCREW +PTT 2.6X8 (S) 7-627-554-07...
- Page 38 MDX-65 Sony Corporation 99A0478-1 9-926-423-11 Personal & Mobile Communication Company Printed in Japan C1999. 1 – 48 – Published by Quality Assurance Dept.