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SERVICE MANUAL
Ver 1.1 2001.02
US and foreign patents licensed from Dolby
Laboratories Licensing Corporation.
System
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
600 rpm to 2250 rpm
Error correction
Advanced Cross Interleave Reed Solomon Code
(ACIRC)
Sampling frequency
44.1 kHz
Coding
Adaptive TRansform Acoustic Coding (ATRAC)
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 limit
Outputs
Earphones: stereo mini-jack, maximum output
level 5 mW + 5 mW, load impedance 16 ohms
Sony Corporation
9-927-939-12
2001B0500-1
Audio Entertainment Group
C 2001.2
General Engineering Dept.
Photo: Silver type
Model Name Using Similar Mechanism
MD Mechanism Type
Optical Pick-up Mechanism Type
SPECIFICATIONS
General
Power requirements
Nickel metal hydride rechargeable battery
One NH-14WM (supplied): 1.2V, 1,400 mAh
One LR6 (size AA) battery (not supplied)
Sony AC Power Adaptor* (supplied) connected
to the DC IN 3V jack
Battery operation time
Battery life*
Batteries
Playback
Approx. 24 hours*
Ni-MH
rechargeable battery
(NH-14WM)
Approx. 37 hours
One (size AA)
alkaline battery**
Approx. 64 hours
One (size AA)
alkaline battery**
and a Ni-MH
rechargeable
battery
(NH-14WM)
* With a fully charged battery
** When using a LR6 (SG) Sony "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.
PORTABLE MINIDISC PLAYER
MZ-E800
Tourist Model
NEW
MT-MZE800-170
LCX-2E
Dimensions
Approx. 79.5 × 76.7 × 17.0 mm (w/h/d) (not
including projecting parts and controls)
Mass
Approx. 110g (the player only)
Supplied accessories
Earphones with a remote control (1)
Charging stand (1)
Nickel metal hydride rechargeable battery (1)
AC power adaptor (1)
Dry battery case (1)
Rechargeable battery carrying case (1)
Carrying pouch (1)
Design and specifications are subject to change
without notice.
About power sources
• For use in your house or car: Use the
supplied AC power adaptor or the
DCC-E230 car battery cord (not supplied)
to supply power to the player. Do not use
any other power supply.
Polarity of the plug
E Model
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Table of Contents
Related Manuals for Sony MZ-E800
Summary of Contents for Sony MZ-E800
- Page 1 Frequency response 20 to 20,000 Hz ± 3 dB * With a fully charged battery Wow and Flutter ** When using a LR6 (SG) Sony “STAMINA” Below measurable limit Polarity of the plug alkaline dry battery (produced in Japan). Outputs...
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Page 2: Table Of Contents
LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- LISHED BY SONY. -
Page 3: Servicing Notes
SECTION 1 SERVICING NOTES • In performing the repair with the power supplied to the set, NOTES ON HANDLING THE OPTICAL PICK-UP removing the MAIN board causes the set to be disabled. BLOCK OR BASE UNIT In such a case, fix a convex part of the open/close detect switch The laser diode in the optical pick-up block may suffer electro- (S809 on MAIN board) with a tape in advance. - Page 4 OPERATION OF MECHANISM • When a disc is loaded. Open the shutter 1. (Fig. 1) When a disc is inserted, the Eject lever 2 moves in arrow direction and the holder Assy 3 is unlocked. (Fig. 1 - Fig. 4) The slider 4 slides in arrow direction, and the holder Assy 3 moves down to the MAIN board side (downward).
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Page 5: The Optical Block 4 Moves In Arrow
• When a disc is unloaded. Open the shutter 1. (Fig. 5) The slider 2 slides in arrow direction, and the holder Assy 3 moves up. (Fig. 6, Fig. 8) When a disc rises, the open/close detect switch (S809) turns off. (Fig. 5) The optical block 4 moves in arrow direction (inward). -
Page 6: General
SECTION 2 This section is extracted from instruction manual. GENERAL The earphones with a remote Parts and controls control The Player 1 Earphones Can be replaced with optional earphones. 2 Stereo mini plug 3 HOLD (Locking the control) switch 1 i (earphones) jack 4 X (pause) button 2 DIGITAL SOUND PRESET switch 5 PLAYMODE button... -
Page 7: Disassembly
SECTION 3 DISASSEMBLY • This set can be disassemble in the order shown below. Panel Assy, Rear Front Panel Section Shutter Section Display Panel, Liquid Crystal (LCD901) MD Mechanism Deck (MT-MZE800-170) Main Board OP Service Assy “Motor, DC SSM17A/C-NP (Spindle) (M901)”, Holder Assy (LCX-2E) “Motor, DC (Sled) (M902)”... - Page 8 FRONT PANEL SECTION Note on installation front panel section: When mounting, shift S806, S807, and S808 in the arrow B direction, then shift the knobs (AVLS), (BASS BOOST), and (HOLD) in the arrow C direction so as to adjust each knob and switch position. 1 Open the shutter block assy in the direction of arrow A .
- Page 9 DISPLAY PANEL, LIQUID CRYSTAL (LCD901) 2 shutter 4 display panel, liquid crystal (LCD901) 3 Open the two claws. 5 holder (LCD) Note: Do not open the claws (2 pcs) forcibly, as they are very fragile. 1 two MI screws (1.4) MD MECHANISM DECK (MT-MZE800-170) •...
- Page 10 MAIN BOARD 2 bracket (B) block assy 1 screw (1.4), MI Note: In disconnecting the solder on the terminal board (minus) 4 boss side, take care not to allow the soldering iron to touch the open/close detect switch (S809). 5 bracket (A) 6 Remove the two solders of battery terminal (plus) assy and 7 case, battery...
- Page 11 “MOTOR, DC SSM17A/C-NP (SPINDLE) (M901)”, “MOTOR, DC (SLED) (M902)” 3 two screws 4 motor, DC (sled) (M1.4) (M902) 3 three screws (M1.4) 1 washer (0.8-2.5) 5 motor, DC SSM17A/C-NP 2 gear (SA) (spindle) (M901) HOLDER ASSY 3 holder assy 1 washer (0.8-2.5) –...
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Page 12: Test Mode
SECTION 4 TEST MODE Outline Operation in Setting the Test Mode • This set provides the Overall adjustment mode that allows CD • When the test mode becomes active, first the display check mode and MO discs to be automatically adjusted when in the test mode. is selected. - Page 13 Configuration of Test Mode [VOL +] key:100th place of item number [Major item switching] increase. [Test Mode $Display Check Mode%] [VOL --] key:100th place of item number [VOL +] Press the decrease. [Manual Mode] > Press the [VOL +] [Servo Mode] key:10th place of item number [Medium item switching] increase.
- Page 14 [DISPLAY] Self-Diagnosis Display Mode 5. The display changes a shown below each time the • This set uses the self-diagnosis system in which if an error oc- key is pressed. curs in playback mode, the error is detected by the model con- trol and power control blocks of the microprocessor and infor- •...
- Page 15 • Description of Indication History History code number Description The first error Displays “00” Displays “00” The last error Displays “00” Displays “00” N-1 0 One error before the last. N-1 1 Displays “00” N-1 2 Displays “00” N-2 0 Two errors before the last.
- Page 16 Key Check Mode 4. When all the keys on the set and on the remote commander are considered as OK, the following displays are shown for 4 sec- This set can check if the set and remote commander function nor- onds.
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Page 17: Electrical Adjustments
1.000 causes the adjusted values of item numbers 721, 722, and (Part No. : J-2501-054-A) 757 to be cleared. Available SONY MO disc (recorded) In executing the NV reset on the set having the microcomputer • Digital voltmeter version 1.000, follow the steps given below. - Page 18 • Adjustment method of Vc PWM Duty (L) • Adjustment method of Vrem PWM Duty (H) (item number: 762) (item number: 766) Remote commander LCD display Remote commander LCD display 766 VrhVch ** 762 Vc1PWM ** ** : Adjusted value ** : Adjusted value 1.
- Page 19 • Adjustment method of normal charging current • Adjustment Method of Overall CD and MO Adjustment • Overall CD and MO adjustment items Adjustment and Connection Location: (item number 721) Mode 1. Overall CD adjustment items – MAIN Board (Conductor side) – 1.
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Page 20: Diagrams
MZ-E800 SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAM – MAIN Section (1/2) – OPTICAL PICK-UP BLOCK (LCX-2E) DIGITAL SIGNAL PROCESSOR, • SIGNAL PATH DIGITAL SERVO SIGNAL PROCESSOR, EFM/ACIRC ENCODER/DECODER, SHOCK PROOF MEMORY CONTROLLER, : PLAYBACK RF AMP, FOCUS/TRACKING ERROR AMP ATRAC ENCODER/DECODER,... - Page 21 MZ-E800 6-2. BLOCK DIAGRAM – MAIN Section (2/2) – DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO SIGNAL PROCESSOR, EFM/ACIRC ENCODER/DECODER, SHOCK PROOF MEMORY CONTROLLER, ATRAC ENCODER/DECODER, D/A CONVERTER, 16M BIT D-RAM IC601 (2/2) SLED VOLTAGE MONITOR IC552 SLCV SLCU FOCUS/TRACKING COIL DRIVE,...
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Page 22: Block Diagram -Display/Key Control/ Power Supply Section
MZ-E800 6-3. BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section – SYSTEM CONTROLLER IC801 (3/3) COM0 – COM3 BATT LIQUID HEADPHONE CRYSTAL AMP (IC301) , DISPLAY MOTOR/COIL SEG0 – SEG5 LCD901 DRIVE (IC551) S801 – 805 B+ SWITCH B+ SWITCH DC/DC CONVERTER... -
Page 23: Printed Wiring Board
MZ-E800 6-4. PRINTED WIRING BOARD J301 (HEADPHONE) MAIN BOARD (CONDUCTOR SIDE) MAIN BOARD (COMPONENT SIDE) Q301 S808 R205 C201 HOLD B C E C351 HOLD R101 IC504 IC505 X601 C101 R106 IC802 C306 C522 S807 R105 C104 S806 AVLS R305... -
Page 24: Schematic Diagram -Main Board (1/4)
MZ-E800 6-5. SCHEMATIC DIAGRAM – MAIN Board (1/4) – • • See page 37 for Waveforms. See page 38 for IC Block Diagram. (Page 31) (Page 33) (Page 35) (Page 36) Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF •... - Page 25 MZ-E800 6-6. SCHEMATIC DIAGRAM – MAIN Board (2/4) – • • See page 37 for Waveforms. See page 38 for IC Block Diagram. (Page 33) (Page 30) (Page 33) (Page 34) (Page 36) (Page 36) Note on Schematic Diagram: • Power voltage is dc 1.5V and fed with regulated dc power •...
- Page 26 MZ-E800 6-7. SCHEMATIC DIAGRAM – MAIN Board (3/4) – • See page 37 for Waveforms. (Page 32) (Page 32) (Page 32) Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.
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Page 27: Schematic Diagram -Main Board (2/4)
MZ-E800 6-8. SCHEMATIC DIAGRAM – MAIN Board (4/4) – • • See page 37 for Waveforms. See page 39 for IC Block Diagrams. (Page 29) (Page 31) (Page 34) (Page 32) (Page 30) Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF •... - Page 28 • Waveforms • IC Block Diagrams IC301 TA2131FL (EL) 1 IC501 1 (TE), IC601 oh (TE) 5 IC504 1, 2, IC551 3 (PWM1), 9 IC801 rg (XTAL) (PLAYBACK mode) IC601 <zxv> (SPVS), 1 V/DIV, 20 ns/DIV 200 mV/DIV, 50 ns/DIV IC801 yj (SPDL PWM) (PLAYBACK mode) 2 V/DIV, 10 µs/DIV...
- Page 29 IC551 XC111256FTAEB CPUO – 3PHASE CPVO CONTROL DRIVER – CPWO – H-BRIDGE H-BRIDGE PGND1 PGND3 DRIVER CONTROL CONTROL DRIVER VM12 VM34 BIAS H-BRIDGE H-BRIDGE PGND2 DRIVER CONTROL CONTROL DRIVER PGND4 PWM24 15 16 17 IC904, 907 XC6368B101MR IC903 XC6383C601MR CHIP PHASE ENABLE COMPENSATION...
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Page 30: 6-9. Ic Pin Function Description
6-9. IC PIN FUNCTION DESCRIPTION • IC501 SN761056CDBT (RF AMP, FOCUS/TRACKING ERROR AMP) Pin No. Pin Name Description Tracking error signal output to the CXD2661GA (IC601) REXT — Connected to the external resistor for the ADIP amplifier control WPPLPF — Connected to the external capacitor for low-pass filter of the TPP/WPP VREF11 Reference voltage output terminal (+1.1V) - Page 31 • IC601 CXD2661GA-2 (DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO SIGNAL PROCESSOR, EFM/ACIRC ENCODER/DECODER, SHOCK PROOF MEMORY CONTROLLER, ATRAC ENCODER/DECODER, D/A CONVERTER, 16M BIT D-RAM) Pin No. Pin Name Description VDCO — Power supply terminal (+1.7V) (for internal logic) 2, 3 MNT0, MNT1 Operation monitor signal output terminal Not used (open) MNT2 Off track signal output to the SN761056CDBT (IC501) and system controller (IC801)
- Page 32 Pin No. Pin Name Description A03, A04, A02, 47 to 52 Address signal output to the external D-RAM Not used (open) A05, A01, A06 VDIO1 — Power supply terminal (+2.4V) (for I/O cell) VSIO1 — Ground terminal (for I/O cell) A00, A07, A10, 55 to 59 Address signal output to the external D-RAM Not used (open)
- Page 33 Pin No. Pin Name Description XLRF Serial latch signal output terminal Not used (open) CKRF Serial clock signal output terminal Not used (open) DTRF Write data output terminal Not used (open) Control signal output to the reference voltage generator circuit for the laser automatic power APCREF control LDDR...
- Page 34 • IC801 CXR701080-016GA (SYSTEM CONTROLLER) Pin No. Description Pin Name VLCD Not used (open) OFTRK Off track signal input from the CXD2661GA (IC601) 3, 4 Not used (open) Not used (open) 6 to 9 COM0 to COM3 Common drive signal output to the liquid display module (LCD901) Not used (open) Serial data input from the CXD2661GA (IC601) Serial data output to the CXD2661GA (IC601)
- Page 35 Pin No. Pin Name Description XWAKE CLOSE Starting detect input (A/D input) from the open/close detect switch (S809) “L”: close XWAKE SET Starting detect signal input (A/D input) from the set key Focus OK signal input from the CXD2661GA (IC601) “H” is input when focus is on (“L”: NG) Subcode Q sync (SCOR) input from the CXD2661GA (IC601) SQSY...
- Page 36 Pin No. Pin Name Description Test mode control signal input terminal for JTAG scan test Not used (open) Clock signal input terminal for JTAG scan test Not used (open) Reset signal input terminal for JTAG scan test Not used (fixed at “L”) XTRST Data output terminal for JTAG scan test Not used (open) Not used (open)
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Page 37: Exploded Views
SECTION 7 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark are seldom required for routine service. Some may have some difference from the original 0 are critical for safety. - Page 38 Ver 1.1 2001.02 (2) MAIN SECTION MT-MZE800-170 not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-218-233-05 SCREW (1.4), MI A-3323-560-A MAIN BOARD, COMPLETE 3-049-043-01 SPRING, TORSION 3-049-041-01 TERMINAL BOARD 4-214-158-01 DANPER (-) 3-049-752-01 SHEET (PC BOARD) 4-223-920-11 TERMINAL BOARD (MINUS) 3-222-937-01 WASHER (INSULATING) 3-049-036-01 CASE, BATTERY...
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Page 39: Holder Assy
(3) MD MECHANISM DECK SECTION (MT-MZE800-170) 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. Description Remark 1-678-525-11 MOTOR FLEXIBLE BOARD... -
Page 40: Electrical Parts List
SECTION 8 MAIN ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark are seldom required for routine service. parts list may be different from the parts speci- 0 are critical for safety. - Page 41 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C853 1-107-820-11 CERAMIC CHIP 0.1uF C854 1-107-820-11 CERAMIC CHIP 0.1uF IC907 8-759-657-26 IC XC6368B101MR C901 1-107-820-11 CERAMIC CHIP 0.1uF C902 1-107-820-11 CERAMIC CHIP 0.1uF < JACK > C903 1-164-943-11 CERAMIC CHIP 0.01uF...
- Page 42 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R908 1-218-981-11 RES-CHIP 220K 1/16W R517 1-208-691-11 METAL CHIP 2.2K 0.5% 1/16W R909 1-208-955-11 METAL CHIP 680K 0.5% 1/16W R518 1-218-985-11 RES-CHIP 470K 1/16W R910 1-208-955-11 METAL CHIP 680K 0.5% 1/16W...
- Page 43 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MISCELLANEOUS ************** 1-678-525-11 MOTOR FLEXIBLE BOARD 0 112 X-4952-387-1 OP SERVICE ASSY (LCX-2E) LCD901 1-804-062-11 DISPLAY PANEL, LIQUID CRYSTAL M901 8-835-699-01 MOTOR, DC SSM17A/C-NP (SPINDLE) (WITH TURN TABLE) M902 1-763-399-11 MOTOR, DC (SLED) (WITH PULLEY GEAR) ************************************************************...
- Page 44 MZ-E800 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 2001.02...