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SERVICE MANUAL
Ver 1.0 2000. 12
US and foreign patents licensed from Dolby
Laboratories Licensing Corporation
Audio playing system
MiniDisc digital audio system
Laser diode properties
Material: GaAlAs
Wavelength: λ = 790 nm
Emission duration: continuous
Laser output: 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.
Revolutions
Approx. 300 rpm to 2,700 rpm
Error correction
ACIRC (Advanced Cross Interleave Reed Solomon Code)
Sampling frequency
44.1 kHz
Coding
ATRAC (Adaptive Transform Acoustic Coding)
ATRAC3: LP2
ATRAC3: LP4
Modulation system
EFM (Eight to Fourteen Modulation)
Number of channels
2 stereo channels
1 monaural channel
Frequency response
20 to 20,000 Hz ± 3 dB
Wow and Flutter
Below measurable limits
Outputs
Headphones/earphones: stereo mini-jack, maximum output level 5 mW +
5 mW, load impedance 16 ohms
Power requirements
Nickel Cadmium rechargeable battery
One NC-6WM (supplied): 1.2V, 600 mAh
One LR6 (size AA) battery (not supplied)
External power jack: Power rating 1.5V DC
MZ-E500
Model Name Using Similar Mechanism
MD Mechanism Type
Optical Pick-up Mechanism Type
SPECIFICATIONS
Battery operation time
Battery life
Batteries
Ni-Cd rechargeable
battery NC-6WM
LR6 (SG) Sony
Alkaline dry battery
LR6 (SG)
3)
and
NC-6WM
2)
1)
Measured in accordance with the EIAJ (Electronic Industries
Association of Japan) standard (using a Sony MDW-series Mini-disc).
2)
With a fully charged battery
3)
When using a Sony LR6 (SG) "STAMINA" alkaline dry battery
(produced in Japan).
Note
The battery life may be shorter depending on operating conditions, the
surrounding temperature, and the battery type.
Dimensions
Approx. 74.5 × 17.7 × 80.5 mm (w/h/d) (3 ×
(not including projecting parts and controls)
Mass
Approx. 76g (2.7 oz) (the player only)
Supplied accessories
Headphones/earphones with a remote control (1)
Battery charger (1)
Rechargeable battery (1)
Rechargeable battery carrying case (1)
Dry battery case (1)
Carrying pouch (1) (except for the U.S.A model)
AC plug adaptor (1) (world model only)
Design and specifications are subject to change without notice.
PORTABLE MINIDISC PLAYER
AEP Model
UK Model
Australian Model
NEW
MT-MZE500-174
LCX-4E
Stereo (normal) LP2 Stereo
14
16
2)
42
49
3)
59
65
(Unit: Approx. hours)
/
× 3
23
1
/
in.)
32
4
E Model
1)
(EIAJ
)
LP4 Stereo
18
58
75
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Related Manuals for Sony MZ-E500
Summary of Contents for Sony MZ-E500
- Page 1 44.1 kHz Association of Japan) standard (using a Sony MDW-series Mini-disc). Coding With a fully charged battery ATRAC (Adaptive Transform Acoustic Coding) When using a Sony LR6 (SG) “STAMINA” alkaline dry battery ATRAC3: LP2 (produced in Japan). ATRAC3: LP4 Note...
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Page 2: Table Of Contents
LIST ARE CRITICAL TO SAFE OPERATION. 6-4. Schematic Diagram – Main Section (1/3) – ·················· 23 REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE 6-5. Schematic Diagram – Main Section (2/3) – ·················· 25 PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN 6-6. -
Page 3: Servicing Note
SECTION 1 SERVICING NOTES When repairing this device with the power on, if you remove the NOTES ON HANDLING THE OPTICAL PICK-UP main board, this device stops working. BLOCK OR BASE UNIT In this case, you work without the device stopping by fastening the The laser diode in the optical pick-up block may suffer electrostatic hook of the Open/Close detection switch (S809). -
Page 4: General
SECTION 2 This section is extracted from instruction manual. GENERAL LOCATION AND FUNCTION OF CONTROLS VOL+ VOL +/– VOL– N > 1N > OPERATE lamp Indicador OPERATE PLAYMODE RPT/ENT DISPLAY SOUND HOLD ./N > VOL +/– AVLS PLAY MODE HOLD —... -
Page 5: Disassembly
SECTION 3 DISASSEMBLY Disassemble the unit in the order as shown below. “Panel block assy,upper”,“Holder assy” Mechanism deck Bracket assy Main board Optical pick-up block Note : Follow the disassembly procedure in the numerical order given. 3-1. “PANEL BLOCK ASSY, UPPER”,“HOLDER ASSY” Panel block assy, upper 1 Screws (MI 1.4 ×... -
Page 6: Bracket Assy
3-3. BRACKET ASSY Bracket assy 1 Screws (1.7) Projections 3-4. MAIN BOARD 6 Remove the soldering Main board 1 Claw 3 Screws (1.7) 2 Lid, battery case 6 Remove the soldring Case (battery) Case (rear) — 6 —... -
Page 7: Optical Pick-Up Block
3-5. OPTICAL PICK-UP BLOCK Optical pick-up block (LCX-4E) 1 Washer 2 Gear (SA) 3 Screw (M 1.4) 4 Spring, thrust detent — 7 —... -
Page 8: Test Mode
SECTION 4 TEST MODE 4-1. GENERAL Remote control LCD • When entered in the TEST MODE, this set provides the Overall Adjustment mode which allows CD and MO discs to be auto- F 1SHUFF PGM matically adjusted. In the Overall Adjustment mode, the system SOUND 1 2 BASS 1 2 discriminates between CD and MO discs, performs adjustments All on... - Page 9 4-4. MANUAL MODE 4. During each test mode, the display is changed from one to another each time DISPLAY key is pressed. 4-4-1. Outline of the function The Manual mode is designed to perform adjustments and operational checks on the set’s operation according to each •...
- Page 10 The second error from the last one. Simplified contents History code Total recording time ( – – – – is displayed for MZ-E500) Error display code 3. Hereinafter, each time > N key is pressed, the reference information display changes as follows:...
- Page 11 4-7. Sound Skip Check Result Display Mode 4-8. KEY CHECK MODE This set can display and check the error count occurring during 4-8-1. Outline of the function play. This mode is used to check to make sure that each of the keys •...
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Page 12: Electrical Adjustments
SECTION 5 ELECTRICAL ADJUSTMENTS 5-1. GENERAL 5-4. MANUAL POWER ADJUSTMENTS In this set, CD and MO discs can be automatically adjusted by setting 5-4-1. Adjustment sequence the Overall Adjustment mode within the TEST MODE, The adjustments should be always performed in the following Before performing these automatic adjustments, it is necessary to sequence: clear the memory and adjust the power in the Manual mode. - Page 13 5-4-3. Vc PWM Duty (H) adjustment method 3. Press X key to write the adjustment value. 1. Set the Manual mode and set the item No. to 763. The adjustment completion display appears as follows. LCD display LCD display 000 ADJ OK 763 VchPWM XX 2.
- Page 14 3. If NG in the overall CD adjustments, return to Reset NV and 5-5-4. Overall CD and MO adjustment items perform from the electrical offset adjustment again. 1. Overall offset adjustment Item No. Contents LCD display GRV setting • Sarvo OFF • Head UP 000 XXX NG Laser ON/OFF electrical offset difference measurement...
- Page 15 Item No. Contents Tracking servo ON ABCD gain adjustment KF gain adjustment RF gain adjustment FCS gain adjustment TRK gain adjustment READ GRV adjustment 1 R GRV setting • servo OFF SLED move to outside Focus servo OFF TON offset adjustment TE gain adjustment TON offset adjustment TEIN offset adjustment...
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Page 16: Diagrams
SECTION 6 DIAGRAMS WAVEFORMS Note on Printed Wiring Boards: MAIN SECTION • X : parts extracted from the component side. • : Pattern from the side which enables seeing. (The other layers' patterns are not indicated.) Caution: Pattern face side: Parts on the pattern face side seen from the Approx. -
Page 17: Block Diagram
MZ-E500 6-1. BLOCK DIAGRAM MAIN BOARD RF AMP,FOCUS/TRACKING ERROR AMP IC501 HEADPHONE AMP CN501 IC301 VREF VREF RF OUT AOUT L J301 PEAK PEAK PEAK RF AMP, BOTM /BOTM BOTM IN B OUT B AOUT R Jx Jy Jx FOCUS... -
Page 18: Printed Wiring Boards - Main Section (1/2)
MZ-E500 • Refer to page 16 for Note on Printed Wiring Board. 6-2. PRINTED WIRING BOARDS – MAIN SECTION (1/2) – MAIN BOARD (SIDE A) AVLS PLAY MODE IC601 (OPERATE) VOL – HOLD L901 • Semiconductor Location Ref. No. Location... -
Page 19: Printed Wiring Boards - Main Section (2/2)
MZ-E500 6-3. PRINTED WIRING BOARDS – MAIN SECTION (2/2) – • Refer to page 16 for Note on Printed Wiring Board. MAIN BOARD (SIDE B) J301 IC301 TP917 TP901 MOTOR FLEXIBLE BOARD (M901 : SPINDLE MOTOR) (M902 : SLED MOTOR) -
Page 20: Schematic Diagram - Main Section (1/3)
MZ-E500 •Refer to page 16 for Note on Schematic Diagrams. 6-4. SCHEMATIC DIAGRAM – MAIN SECTION (1/3) – • Refer to page 16 for Waveforms. • Refer to page 31 for IC Pin Function. * Replacement of IC601 used in this set requires a special tool. -
Page 21: Schematic Diagram - Main Section (2/3)
MZ-E500 6-5. SCHEMATIC DIAGRAM – MAIN SECTION (2/3) – •Refer to page 16 Note on Schematic Diagrams. •Refer to page 29 for IC Block Diagrams. — 25 — — 26 —... -
Page 22: Schematic Diagram - Main Section (3/3)
MZ-E500 •Refer to page 16 for Note on Schematic Diagrams. •Refer to page 29 for IC Block Diagrams. 6-6. SCHEMATIC DIAGRAM – MAIN SECTION (3/3) – 2SD2216J-QR — 27 — — 28 —... -
Page 23: Ic Block Diagrams
6-7. IC BLOCK DIAGRAMS IC301 TA2131FL-(EL) BEEP VREF V REF LPF1 TC MT BST NF1 BST1 LPF2 BEEP BST2 BST NF2 OUTB BST OUT BEEP OUTA IC551 SC111257FCR2 VC VG VC VG VC VG PRE DRIVER PRE DRIVER PGNDW H-BRIDGE H-BRIDGE VMVW CONTROL... - Page 24 IC901 XPC18A32FCR2 42 41 SERIAL PASS POWER STEP-UP STEP-UP REGULATOR VA SWITCH 1 PRE DRIVEER PRE DRIVEER SERIAL PASS REGULATOR VD SERIAL PASS INM1 REGULATOR VIF DTC1 XRST (INT) XRST DTC2 CRST RSTREF BANDGAP INM2 VREF REFERENCE PWM1 PWM2 VSTB VC CLKSEL VAIFON STEP-UP...
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Page 25: Ic Pin Function Description
6-8. IC PIN FUNCTION DESCRIPTION • IC501 SN761057DBT (RF AMP, FOCUS/TRACKING ERROR AMP) Pin No. Pin Name Description Tracking error signal output to the system controller (IC601) REXT Connect terminal to the external resistor for ADIP amp control WPPLPF Connect terminal to the external capacitor for TPP/WPP low-pass filter VREF Reference voltage output terminal (+1.1V) Signal (C) input from the optical pickup detector... - Page 26 • IC601 CXD2671-203GA (SYSTEM CONTROL) Pin No. Description Pin Name PAUSE KEY Not used (open) — Not used (open) XTEST Input terminal for the test mode detection 4, 5 — Not used (open) — MCUVDD0 Power supply (for microcomputer block) —...
- Page 27 Pin No. Pin Name Description Focus error signal input AUX1 Support signal input (A/D input) Middle point voltage input ADIO Not used (open) ADRT A/D converter the upper limit voltage input — AVD2 AVDD — AVS2 AVSS ADRB A/D converter the lower limit voltage input Sled error signal input Tracking error signal input —...
- Page 28 Pin No. Description Pin Name — DSPVDD2 Power supply (for DSP block) — DSPVSS1 Ground (for DSP block) SPCU Brushless spindle motor drive comparison signal input (U) SPCV Brushless spindle motor drive comparison signal input (V) SPCW Brushless spindle motor drive comparison signal input (W) SRDR/SL1F Sled servo drive PWM signal output (–) SFDR/SLVF...
- Page 29 Pin No. Description Pin Name 156, 157 TEST1, TEST0 Terminal 1, 0 for the main test EVA/FLASH chip discrimination terminal OPR LED Operation LED control SSB DATA Input/output of SSB serial data SSB CLK — SSB serial clock — MCUVSS0 Ground (for the microcomputer block) VREC MODE Not used (open)
- Page 30 Pin No. Description Pin Name TSB SLV CHK TSB slave check K-TAI Not used (open) DTCK CHK Not used (open) — MCUVSS1 Ground (for the microcomputer block) CAV CLV SW Not used (open) XOPT CTL Not used (open) CS RTC Not used (open) OFTRK Off track signal input...
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Page 31: Exploded Views
SECTION 7 EXPLODED VIEWS NOTE : • -XX, -X mean standardized parts, so they • The mechanical parts with no reference The components identified by mark 0 or may have some difference from the original number in the exploded views are not dotted line with mark 0 are critical for safety. -
Page 32: Mechanism Deck Section (Mt-Mze500-174)
7-2. MECHANISM DECK SECTION (MT-MZE500-174) M902 M901 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-680-453-11 MOTOR FLEXIBLE BOARD 4-222-203-02 SCREW, LEAD 0 62 3-222-392-01 SCREW (M1.4), TAPPING X-3379-869-1 OPTICAL PICK-UP BLOCK (LCX-4E) 3-222-394-01 CHASSIS 3-222-391-01 SPRING (M), RACK 3-224-779-01 SPRING, THRUST DETENT 3-225-278-11 SCREW, TAPPING 4-222-216-01 GEAR (SA) -
Page 33: Electrical Parts List
SECTION 8 MAIN ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • RESISTORS • SEMICONDUCTORS parts list may be different from the parts All resistors are in ohms. In each case, u: µ, for example: specified in the diagrams or the components METAL: metal-film resistor uA...: µA... - Page 34 1-208-691-11 METAL CHIP 2.2K 0.5% 1/16W D201 8-719-056-72 DIODE UDZ-TE-17-2.4B R516 1-208-691-11 METAL CHIP 2.2K 0.5% 1/16W D801 8-719-061-82 LED TLSU1002(TPX1,SONY)(OPERATE) D845 8-719-077-43 DIODE MAZZ068H01S0 R517 1-208-691-11 METAL CHIP 2.2K 0.5% 1/16W D901 8-719-081-33 DIODE MA2YD1500LS0 R519 1-218-977-11 RES-CHIP 100K...
- Page 35 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R920 1-208-707-11 METAL CHIP 0.5% 1/16W ACCESSORIES & PACKING MATERIALS R921 1-218-979-11 RES-CHIP 150K 1/16W ******************************** R923 1-218-969-11 RES-CHIP 1/16W R931 1-218-990-11 SHORT 1-251-895-21 BATTERY CASE R934 1-218-990-11 SHORT 1-476-211-21 REMOTE CONTROL UNIT 1-528-252-21 BATTERY CHARGER (BC-7S)(UK)
- Page 36 MZ-E500 Sony Corporation 2000L1664-1 Audio Entertainment Group 9-873-027-11 Printed in Japan ©2000.12 — 42 — Published by General Engineering Dept.