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Sony MZ-E710 Service Manual

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See also: Operating Instructions
SERVICE MANUAL
Ver 1.0 2002.10
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/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
Outputs
Headphones/earphones: stereo mini-jack, output level
5 mW + 5 mW load impedance 16 ohms
Power requirements
Nickel metal hydride rechargeable battery
One NH-14WM(A)(supplied): 1.2 V, 1,350 mAh
One LR6 (size AA) battery (not supplied)
External power jack (for the battery charging stand):
Power rating 3V DC
Sony Corporation
9-874-216-01
Personal Audio Company
2002J0200-1
Published by Sony Engineering Corporation
© 2002.10
MZ-E710
Model Name Using Similar Mechanism
MD Mechanism Type
Optical Pick-up Mechanism Type

SPECIFICATIONS

1)
Battery life
Batteries
Ni-MH
rechargeable
battery
NH-14WM(A)
3)
LR6 (SG)
Sony Alkaline
dry battery
4)
LR6 (SG)
4)
and
3)
NH-14WM(A)
1)
Measured with the power save function on (see "Preserving battery
power").
2)
Measured in accordance with the JEITA (Japan Electronics and
Information Technology Industries Association) standard (using a Sony
MDW-series Mini-disc).
3)
With a fully charged battery
4)
When using a Sony LR6 (SG) "STAMINA" alkaline dry battery
(produced in Japan).
Note
The battery life may be shorter than that specified, depending on the
temperature of the location, the operating conditions, and the type
of battery being used.
PORTABLE MINIDISC PLAYER
Hong Kong Model
Tourist Model
NEW
MT-MZE710-183
ABX-1E
(Unit: Approx. hours) (JEITA
2)
)
SP Stereo
LP2
LP4
(normal)
Stereo
Stereo
36
46
56
60
77
93
96
123
148

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Summary of Contents for Sony MZ-E710

  • Page 1: Specifications

    Number of channels MDW-series Mini-disc). 2 stereo channels With a fully charged battery 1 monaural channel When using a Sony LR6 (SG) “STAMINA” alkaline dry battery Frequency response (produced in Japan). 20 to 20,000 Hz ± 3 dB Outputs Note...

  • Page 2: Table Of Contents

    It is best to use only unleaded solder but unleaded solder LIST ARE CRITICAL TO SAFE OPERATION. may also be added to ordinary solder. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

  • Page 3: Servicing Note

    MZ-E710 SECTION 1 SERVICING NOTE When repairing this device with the power on, if you remove the main board, this device stops working. In this case, you work without the device stopping by fastening the hook of the Open/Close detection switch (S809).

  • Page 4: General

    MZ-E710 SECTION 2 This section is extracted from GENERAL instruction manual. The Player Playing an MD Insert an MD . 1 Slide OPEN to open the lid. 2 Insert an MD. 3 Close the lid. 1 x button 2 .• u*• > button Insert an MD with the label side facing up, pushing the 3 “3-color info-LED”...

  • Page 5: Disassembly

    MZ-E710 SECTION 3 DISASSEMBLY The equipment can be removed using the following procedure. MAIN board assy, Bracket (L) assy, Bracket (R) assy Mechsnism deck SWITCH board Upper assy Optical pick-up assy (MT-MZE710-183) (ABX-1E) Note : Follow the disassembly procedure in the numerical order given.

  • Page 6: Mechanism Deck (Mt-Mze710-183)

    MZ-E710 3-2. MECHANISM DECK (MT-MZE710-183) 1 Holder assy 6 Motor flexible board 3 Screw, step (CN551) 0 Mechanism deck (MT-MZE710-183) 7 OP flexible board (CN501) 4 Two claws 8 Two claws 3-3. BRACKET (R) ASSY 2 Two Screws (M1.4) 6 Bracket (R) assy 1 Two Screws (M1.4)

  • Page 7: Main Board Assy, Bracket (L) Assy, Switch Board

    MZ-E710 3-4. MAIN BOARD ASSY, BRACKET (L) ASSY, SWITCH BOARD 2 Remove solder (Two places) 1 Switch flexible board 4 MAIN board assy qd SWITCH board qa Bracket (L) assy 7 Lid, battery case 6 Claw S808 8 Screw (M1.4)

  • Page 8: Test Mode

    MZ-E710 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- matically adjusted. In the Overall Adjustment mode, the system...
  • Page 9 MZ-E710 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 MZ-E710 4-6. KEY CHECK MODE 4-6-1. Outline of the function This mode is used to check to make sure that each of the keys (including the slide switch) on the set operates normally. 4-6-2. Setting the Key Check mode 1. Set the TEST MODE. Press and hold down DISPLAY (for more than 2 sec) to set the Key Check mode.

  • Page 11: Electrical Adjustments

    MZ-E710 SECTION 5 ELECTRICAL ADJUSTMENTS 5-1. GENERAL 5-3-2. Changing Adjustment values Adjustment settings are cleared when NV initialize is performed. In this set, CD and MO discs can be automatically adjusted by set- So right after performing NV initialize you must rewrite the correct ting the Overall Adjustment mode within the TEST MODE, data according to the microcomputer version.
  • Page 12 MZ-E710 Adjustment value:1.05V 12.Press the key. (Address section starts flashing.) Standard value:1.04 to 1.055V LCD display MAIN BOARD (SIDE A) 862 88D3 C610 R607 This section (address) flashes. X601 13.Press the key to return to Manual mode. LCD display TP908...
  • Page 13 MZ-E710 Adjustment value:1.75V 3. Press key to write the adjustment value, item No. will Standard value:1.75 to 1.800V change to 743. MAIN BOARD (SIDE A) 5-4-4. VC2 adjustment method 1. Set the overall adjustment mode and set the item No. to 743.
  • Page 14 MZ-E710 5-5-5.Current Amplifier (L) adjustment method 5-5-3. Vc PWM Duty (L) adjustment method 1. Make a solder bridge to short out TAP951 on the main board 1. Set the Test mode. and turn on the power. 2. Set the manual mode, item No. will change to 754.
  • Page 15 MZ-E710 4. Connect a digital voltmeter to TP963 (V) on the main board 4. Press the key, item No.will change to 753. Make a note > and adjust key (Voltage down) and VOL + VOL – of adjusted value. (Voltage up) on the remote control.
  • Page 16 MZ-E710 perform from the overall CD adjustments again. 5-7-2. Total Adjust mode title display Switching to Total Adjust Mode sets the following All Adjust mode LCD display title display on the LCD. LCD display 000 XXX NG YY 000 Assy XXX: NG item No.
  • Page 17 MZ-E710 . Overall MO adjustment items 5. Press the key and set the adjustment setting to 01. VOL + Item No. Contents LCD display ALFA offset adjustment 023 Patch 01 IJ offset adjustment FE offset adjustment 6. Press the key.
  • Page 18 MZ-E710 Varsion 1.000 Address Data Address Data 8921 895E 8922 8961 8923 8962 8924 8963 8925 8964 8926 8965 8928 8966 8929 8967 892A 8968 892B 8969 892C 896A 892D 896B 8931 896C 8932 896D 8933 896E 8934 8971 8935...

  • Page 19: Diagrams

    MZ-E710 SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAM IC301 HEADPHONE AMP IC501 (D CLASS AMP) Q301 RF AMP,FOCUS/TRACKING ERROR AMP OUT1 D LPWM+ VREF EFMO J301 VREF10 OUT2 RF OUT D RPWM+ EFMIN RGND PEAK Q101,201 RKEY PEAK PEAK MUTE RF AMP,...

  • Page 20: Printed Wiring Boards - Main Section (Side A)

    MZ-E710 : Uses unleaded solder. 6-2. PRINTED WIRING BOARDS – MAIN SECTION (SIDE A) – See page 26 for Notes. RECHARGEABLE BATTERY NH–14WM 1PC, 1.2V 1400mAh MAIN BOARD (SIDE A) M901 SPINDLE D301 Semiconductor MOTOR C303 D201 C522 Location C517...

  • Page 21: Printed Wiring Boards - Main Section (Side B)

    MZ-E710 – MAIN SECTION (SIDE B) – : Uses unleaded solder. See page 26 for Notes. MAIN BOARD (SIDE B) CLVV CLVW SBUS AGND SLPWWP ADIPWD CLVU SPWWF CLVN SLD0 EFMIN SLDN SLDV SMDN SLD3 HFL ABCD SLD1 SLDW SLPWWF...

  • Page 22: Printed Wiring Boards - Switch Section

    MZ-E710 6-3. PRINTED WIRING BOARDS – SWITCH SECTION – : Uses unleaded solder. See page 26 for Notes. S809 (OPEN/CLOSE) SWITCH BOARD (SIDE A) S808 HOLD R812 R813 OFF t ON R817 S806 R815 R814 S805 R818 VOLUME – VOLUME +...

  • Page 23: Schematic Diagram - Main Section (1/3)

    MZ-E710 6-4. SCHEMATIC DIAGRAM – MAIN SECTION (1/3) – See page 26 for Notes. See page 24 for IC Pin Function Description.

  • Page 24: Schematic Diagram - Main Section (2/3)

    MZ-E710 6-5. SCHEMATIC DIAGRAM – MAIN SECTION (2/3) – See page 26 for Notes.

  • Page 25: Schematic Diagram - Main Section (3/3)

    MZ-E710 6-6. SCHEMATIC DIAGRAM – MAIN SECTION (3/3) – See page 26 for Notes.

  • Page 26: Ic Pin Function Descrintion

    MZ-E710 WAVEFORMS Note on Printed Wiring Boards 6-7. IC PIN FUNCTION DESCRINTION • X : parts extracted from the component side. • IC601 LC-896442-VH4-16-E (DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO SIGNAL PROCESSOR, EFM/ACIRC • : Pattern from the side which enables seeing.
  • Page 27 MZ-E710 Pin No. Pin Name Description XSLP MTR OP Start/stop signal output to motor drive (CXA8125ER-TBM-E) XDISC DET Not used (connected to ground) D_EN2 Drive control signal output to Headphone AMP (NJU-8713V-TE2) 53 to 56 SMON 0 to 3 –...
  • Page 28 MZ-E710 Pin No. Pin Name Description D LPWM+ L-CH audio signal output D PWM– Not used (open) D RPWM+ R-CH audio signal output D RPWM– Not used (open) D CPWM Not used (open) DPVDD – Power supply VVDD – Power supply...
  • Page 29 MZ-E710 Pin No. Pin Name Description VCC2 – Power supply MAD4 – Not used 175 to 180 ADR11 to 16 – Not used – Ground ADR17 – Not used – Not used (open) DEFECT – Not used (open) DECLK –...

  • Page 30: Ic Block Diagrams

    MZ-E710 6-8. IC BLOCK DIAGRAMS IC951 SC901582EPR2 NSW4 VREF TIME CAP_C_LIM DIVIDER VI2DET NSW3 LOGIC SIGNAL I_CTL1 RECEIVER NSW1 LOGIC I_SEL SIGNAL I_CTL2 RECEIVER AD_SEL WK_DET VREF PWR_WAKE DELAY VREF BATT VOLTAGE REFERENCE IC901 SC901580EPR2 (HP AMP) AMP1 CONTROL BANDGAP...
  • Page 31 MZ-E710 IC301 NJU8713V-TE2 BEEP VSS 0 VSS 0 OUT 1 OUT 2 VDD 0 VDD 0 BPZ OUTPUT IC551 CXA8125ER-TBM-E LOGIC PRE DRIVE SPPD 36 SPGND SPMAX 35 SPVS IN2F 34 SPCIN PHASE COMP. IN2R 33 SPIL WAVE REG. 32 SPVCO PHASE COMP.
  • Page 32 MZ-E710 IC501 SN761058ZQL AVCC PEAK/ OFTRK T-ON BOTM 42 FE ABCD 41 ABCD 40 RFI A GND 39 ASSY OFC-C1 38 CIG TPP/WPP OFC-C2 37 EFMO VREF10 DGND RESET 34 VGIN VREF09 33 SBUS AVCC2 AVCC2 32 SCK PD-NI CPOUT...

  • Page 33: Exploded Views

    MZ-E710 SECTION 7 EXPLODED VIEWS NOTE : • -XX, -X mean standardized parts, so they • The mechanical parts with no reference The components identified by mark 0 may have some difference from the original number in the exploded views are not or dotted line with mark 0 are critical one.

  • Page 34: Mechanism Deck Section

    MZ-E710 7-2. MECHANISM DECK SECTION (MT-MZE710-183) M902 M901 The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. Ref. No. Part No. Description Remark Ref. No. Part No.

  • Page 35: Electrical Parts List

    MZ-E710 SECTION 8 MAIN ELECTRICAL PARTS LIST NOTE : • Due to standardization, replacements in the • SEMICONDUCTORS The components identified by mark 0 parts list may be different from the parts In each case, u : µ , for example :...
  • Page 36 MZ-E710 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C902 1-137-858-11 TANTAL. CHIP 47uF 6.3V @ IC601 6-802-226-01 IC LC896442-VH4-16-E C903 1-137-858-11 TANTAL. CHIP 47uF 6.3V IC801 8-759-680-85 IC AK6417AL-L C904 1-164-937-11 CERAMIC CHIP 0.001uF...
  • Page 37 MZ-E710 MAIN SWITCH Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R602 1-218-973-11 RES-CHIP 1/16W < SWITCH > R603 1-218-957-11 RES-CHIP 2.2K 1/16W R605 1-218-989-11 RES-CHIP 1/16W S810 1-786-414-21 SWITCH, DETECTION (DISC DET) R606 1-218-990-11 SHORT CHIP <...
  • Page 38 MZ-E710 Ref. No. Part No. Description Remark ACCESSORIES *********** 1-477-573-11 REMOTE CONTROL UNIT 8-954-008-90 RECEIVER, EAR MDR-E808SP A-3180-736-A ATTACHMENT BLOCK ASSY 0 504 1-477-562-11 ADAPTOR, AC (AC-ES305K) (JEW) 0 504 1-477-566-11 ADAPTOR, AC (AC-ES305K) (HK) 3-220-749-01 CASE, CARRYING 1-756-120-22 BATTERY, NICKEL HYDROGEN...
  • Page 39 MZ-E710 MEMO...
  • Page 40 MZ-E710 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 Description of Revision...

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