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SERVICE MANUAL
Ver 1.1 2001.12
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
9-873-338-02
Sony Corporation
Personal Audio Company
2001L0200-1
Published by Sony Engineering Corporation
© 2001.12
MZ-E707
Model Name Using Similar Mechanism
MD Mechanism Type
Optical Pick-up Mechanism Type
SPECIFICATIONS
Power requirements
Nickel metal hydride rechargeable battery
One NH-14WM(A) (supplied): 1.2V, 1,350 mAh
One LR6 (size AA) battery (not supplied)
External power jack (for the battery charging
stand): Power rating 3V DC
Battery operation time
See "When to replace or recharge the battery"
Dimensions
Approx. 71.9 x 78.0 x 13.9 mm (w/h/d)
7
( 2
/
8
(not including projecting parts and controls)
Mass
Approx. 69 g (2.5 oz) (the player only)
Supplied accessories
Headphones/earphones with a remote control (1)
Battery charging stand (1)
AC power adaptor* (for the supplied battery
charging stand)
Rechargeable battery (1)
Rechargeable battery carrying case (1)
Dry battery case (1)
Carrying pouch (1)
AC plug adaptor (1) (world model only)
Design and specifications are subject to change without notice.
PORTABLE MINIDISC PLAYER
Tourist Model
MZ-E909
MT-MZE909-173
LCX-4E
1
9
x 3
/
x
/
in.)
8
16
E Model
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Table of Contents
Related Manuals for Sony MZ-E707
Summary of Contents for Sony MZ-E707
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Page 1: Specifications
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 PORTABLE MINIDISC PLAYER 9-873-338-02 Sony Corporation Personal Audio Company 2001L0200-1 Published by Sony Engineering Corporation © 2001.12... -
Page 2: Table Of Contents
MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. 6-2. Block Diagram ............17 REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE 6-3. Printed Wiring Boards – Main Section (1/2) – ..18 PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN 6-4. -
Page 3: Servicing Note
MZ-E707 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
6 Battery level indication 7 SOUND indication The MZ-E707 supports the newly developed DSP TYPE-R for ATRAC. It thus allows you to enjoy TYPE-R high-quality sound from MDs recorded in SP stereo on TYPE-R- The battery charging stand equipped MD decks, etc. -
Page 5: Disassembly
MZ-E707 SECTION 3 Ver 1.1 2001.12 DISASSEMBLY The equipment can be removed using the following procedure. Main board Sub ASSY Bracket (R) ASSY SW board Upper lid ASSY Mechsnism ASSY Optical pick-up ASSY Note : Follow the disassembly procedure in the numerical order given. -
Page 6: Bracket (R) Assy
MZ-E707 Ver 1.1 2001.12 1 Screw, (M1.4) 1 Screw, (M1.4) 3-3. BRACKET (R) ASSY Bracket (R) ASSY Bracket (bottom) ASSY Panel, bottom 3-4. MAIN BOARD SUB ASSY, SW BOARD On installation, adjust the position of Note : knob (HOLD). MAIN BOARD SUB ASSY Belt, ornamental •... -
Page 7: Optical Pick-Up Assy
MZ-E707 3-5. OPTICAL PICK-UP ASSY Optical pick-up ASSY 1 Washer (LCX-4E) 2 Gear (SA) 3 Screw (MI 1.4) 4 Spring, thrust detent... -
Page 8: Test Mode
MZ-E707 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-E707 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 Simplified contents History code Total recording time ( – – – – is displayed Error display code for MZ-E707) 3. Hereinafter, each time > N key is pressed, the reference information display changes as follows: 0XX 1 # # # #...
- Page 11 MZ-E707 4-8. KEY CHECK MODE 4-7. SOUND SKIP CHECK RESULT DISPLAY 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
MZ-E707 SECTION 5 ELECTRICAL ADJUSTMENTS 5-1. GENERAL 5-4. MANUAL POWER ADJUSTMENTS In this set, CD and MO discs can be automatically adjusted by set- 5-4-1. Adjustment sequence ting the Overall Adjustment mode within the TEST MODE, The adjustments should be always performed in the following se-... - Page 13 MZ-E707 5-5. OVERALL ADJUSTMENT MODE 5-4-3. Vl PWM Duty adjustment method 1. Set the Manual mode and set the item No. to 764. 5-5-1. Overall adjustment mode structure LCD display TEST MODE 764 VlPWM XX (Display Check Mode) VOLUME – key 2.
- Page 14 MZ-E707 3. If NG in the overall CD adjustments, return to Reset NV and 5-5-5. 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...
- Page 15 MZ-E707 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...
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Page 16: Diagrams
MZ-E707 SECTION 6 DIAGRAMS 6-1. EXPLANATION OF IC TERMINALS • MAIN BOARD IC501 SN761057DBT (RF AMP, FOCUS/TRACKING ERROR AMP) Pin No. Pin name Description Tracking error signal output to IC601 REXT Connected to the external resistor for the ADIP amplifier control... -
Page 17: Block Diagram
MZ-E707 6-2. BLOCK DIAGRAMS MAIN BOARD AUDIO BOARD (1/2) RF AMP,FOCUS/TRACKING ERROR AMP IC501 CN501 HEADPHONE AMP IC301 VREF VREF RF OUT AOUT L J301 PEAK PEAK PEAK RF AMP, BOTM /BOTM BOTM AOUT R IN B OUT B Jx Jy Jx... -
Page 18: Printed Wiring Boards - Main Section (1/2)
MZ-E707 6-3. PRINTED WIRING BOARDS – MAIN SECTION (1/2) – : Uses unleaded solder. Refer to page 24 for Notes. MAIN BOARD (SIDE A) DRY BATTERY SIZE "AA" R607 R601 R804 TAP601 (IEC DESIGNATION LR6) TP917 SHORT: TEST MODE X601 1PC, 1.5V... -
Page 19: Printed Wiring Boards - Main Section (2/2)
MZ-E707 6-4. PRINTED WIRING BOARDS – MAIN SECTION (2/2) – : Uses unleaded solder. Refer to page 24 for Notes. MAIN BOARD (SIDE B) TP904 TP606 TP552 TP911 TP556 TP613 TP912 TP563 TP559 TP561 TP558 TP562 TP615 TP609 TP557 TP920... -
Page 20: Schematic Diagram - Main Section (1/2)
MZ-E707 6-5. SCHEMATIzC DIAGRAM – MAIN SECTION (1/2) – Refer to page 24 for Notes. Refer to page 24 for Waveforms. Refer to page 25 for IC Block Diagrams. -
Page 21: Schematic Diagram - Main Section (2/2)
MZ-E707 6-6. SCHEMATIzC DIAGRAM – MAIN SECTION (2/2) – Refer to page 24 for Notes. Refer to page 24, 26 for IC Block Diagrams. -
Page 22: Printed Wiring Boards - Audio Section
MZ-E707 6-7. PRINTED WIRING BOARDS – AUDIO SECTION – : Uses unleaded solder. Refer to page 24 for Notes. AUDIO BOARD (SIDE B) AUDIO BOARD (SIDE A) C304 R303 R302 C303 CN803 TP826 TP825 C301 C803 C804 IC301 TP305 C201... -
Page 23: Schematic Diagram - Audio Section
MZ-E707 6-8. SCHEMATIzC DIAGRAM – AUDIO SECTION – Refer to page 24 for Notes. Refer to page 25 for IC Block Diagrams. - Page 24 MZ-E707 Ver 1.1 2001.12 Note on Printed Wiring Boards: MAIN SECTION • IC BLOCK DIAGRAMS MAIN BOARD SUB ASSY • X : parts extracted from the component side. • Audio board is supplied with main board sub ASSY. • : Pattern from the side which enables seeing.
- Page 25 MZ-E707 IC501 SN761057DBT ADIP-IN S-MON A+B+C+D TWpp PK/BTM CSLO REXT VREF075 Wpp-LPF Aw+Dw S-MONITOR TON Peak VREF TON Botm Malfa ADIP AwBPF TEMP DwBPF Tpp/Wpp ABCD AVCC OFC-1 OFC-2 AGND CCSL2 ABCD VREF075 PEAK PEAK/BOTM BOTM TON-C DGND OFTRK T-ON...
- Page 26 MZ-E707 IC551 SC111258FCR2 48 47 46 45 52 51 3Phase BIAS control 3Phase control PGNDW2 VG VC PGNDW1 VMVW2 3Phase Pre driver WMVW1 3Phase Pre driver PGNDUV2 PGNDUV1 35 UO2 VMU2 VMR2 VMU1 VG VC VMR1 H-BRIDGE PGND2 DRIVER H-BRIDGE...
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Page 27: Exploded Views
MZ-E707 SECTION 7 Ver 1.1 2001.12 EXPLODED VIEWS NOTE : • -XX, -X mean standardized parts, so they • The mechanical parts with no reference may have some difference from the original number in the exploded views are not one. -
Page 28: Mechanism Deck Section
MZ-E707 7-2. MECHANISM DECK SECTION (MT-MZE707-173) 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 29: Electrical Parts List
MZ-E707 Ver 1.1 2001.12 SECTION 8 AUDIO MAIN ELECTRICAL PARTS LIST NOTE : • Due to standardization, replacements in the • SEMICONDUCTORS MAIN BOARD SUB ASSY In each case, u : µ , for example : parts list may be different from the parts •... - Page 30 MZ-E707 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C613 1-164-935-11 CERAMIC CHIP 470PF <INDUCTOR> C615 1-125-777-11 CERAMIC CHIP 0.1uF L503 1-469-570-21 INDUCTOR 10uH C616 1-107-820-11 CERAMIC CHIP 0.1uF L901 1-419-258-21 INDUCTOR 68uH C618 1-109-982-11 CERAMIC CHIP...
- Page 31 MZ-E707 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R963 1-218-990-11 SHORT 0 ACCESSORIES *********** R964 1-218-987-11 RES-CHIP 680K 1/16W <NETWORK RESISTOR> 1-251-895-11 BATTERY CASE 1-476-395-12 REMOTE CONTROL UNIT (RM-MC11EL) RB553 1-233-967-11 RES, NETWORK (CHIP TYPE) 10K...
- Page 32 MZ-E707 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 2001.12...