Sony MZ-E80 Service Manual
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Sony MZ-E80 Service Manual

Sony MZ-E80 Service Manual

Portable minidisc player
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See also: Operating Instructions
SERVICE MANUAL
Ver 1.1 2000. 05
With SUPPLEMENT-1
(9-927-132-82)
US and foreign patents licensed from Dolby
Laboratories Licensing Corporation.
MICROFILM
Photo: Silver
Model Name Using Similar Mechanism
Mechanism Type
Optical Pick-Up Name
SPECIFICATIONS
PORTABLE MINIDISC PLAYER
MZ-E80
E Model
Tourist Model
MZ-E55
MT-MZE55-150
ODX-1B

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  • Page 1 MZ-E80 SERVICE MANUAL E Model Tourist Model Ver 1.1 2000. 05 With SUPPLEMENT-1 (9-927-132-82) Photo: Silver Model Name Using Similar Mechanism MZ-E55 US and foreign patents licensed from Dolby Laboratories Licensing Corporation. Mechanism Type MT-MZE55-150 Optical Pick-Up Name ODX-1B SPECIFICATIONS...

  • Page 2: Table Of Contents

    This MiniDisc player is classified as a CLASS 1 OPERATION. REPLACE THESE COMPONENTS WITH LASER product. SONY PARTS WHOSE PART NUMBERS APPEAR AS The CLASS 1 LASER PRODUCT label is located SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- on the bottom exterior.

  • Page 3: General

    SECTION 2 GENERAL • LOCATION OF CONTROLS – Main Unit – 1 OPERATE indicator 7 MD operate buttons 2 HOLD switch +/” ( FF • PLAY ) 3 DIGITAL MEGABASS switch = (REW ) 4 AVLS switch p (STOP) 5 Battery cover 8 External battery terminal (+/–) 6 VOLUME +/–...

  • Page 4: Disassembly

    SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. Upper lid assy Mechanism deck Main Board, Audio board SW board section (MT-MZE55-150) Optical pick-up section Note: Follow the disassembly procedure in the numerical order given. UPPER LID ASSY 7 upper lid assy 5 two screws...
  • Page 5 MAIN BOARD, AUDIO BOARD SW BOARD 3 SW board 1 claw 2 flexible board 9 audio board 2 lid (battery case) battery case 4 screw (B1.4 2.5) 1 caution label 4 screw (B1.4 2.3) 6 screw 6 screw (1.4 (1.4 5 bracket 8 main board 7 fulcrum plate...

  • Page 6: Test Mode

    SECTION 4 TEST MODE Outline Configuration of Test Mode • In this set, overall adjustment mode is made available by enter- The test mode has the configuration given below. ing test mode to perform automatic adjustment of CD and MO. In the overall adjustment mode, the disc is determined whether + key Overall...
  • Page 7 2. Description of Each Mode (See page 6.) 010 Offset adjustment Mode Description VC offset, FE offset, ABCD offset Not used p key MO adjustment ” / + key Not used 0 3 0 Not used 031 to 039 020 Laser power adjustment p key 03a to 03f Mode...
  • Page 8 050 CD adjustment Audio Mode • Enter the test mode and press the VOL – key. Then, press the Mode Description ”/+ key and the VOL + key in this turn to enter audio mode. CD EF balance • When entering another mode, refer to the configuration of test CD tracking offset mode.
  • Page 9 Power Mode • Enter the test mode and press the VOL – key. Then, press the ”/ + key and the VOL – key in this turn to enter power mode. • When entering another mode, refer to the configuration of test mode.

  • Page 10: Electrical Adjustments

    4. If result of automatic adjustment is OK, the following display adjustment mode. appears. 2. Insert the CD test disc TDYS-1 (Parts No. 4-963-646-01) or SONY MO disc (recorded) commercially available. 0 5 6 End-OK 3. Press the ”/+ key. The disc is determined whether it is CD or MO and each adjustment mode is set.

  • Page 11: Diagrams

    MZ-E80 SECTION 6 HEADPHONE AMP IC301 DIAGRAMS IC601 AOUTR OUTB FILI LOW-PASS RF AMP, DIGITAL SIGNAL PROCESSOR, CONVERTER FILTER AOUTL OUTA 6-1. BLOCK DIAGRAM FOCUS/TRACKING ERROR AMP DIGITAL SERVO SIGNAL PROCESSOR, CLTV IC501 48 47 EFM/ACIRC ENCODER/DECODER, SIGNAL PATH FILO...

  • Page 13: Schematic Diagram

    MZ-E80 6-3. SCHEMATIC DIAGRAM • See page 23 for Waveforms. • See page 24 for IC Block Diagrams. • All resistors are in W or less unless otherwise specified. • : indicates tolerance. • ¢ : internal component. • C : panel designation.
  • Page 14 • Waveforms – MAIN Board – 6 IC551 !§, !¶, !• (U0, V0, W0) 1 IC501 1, 2 (I,J) IC601 `⁄‹‚, `⁄‹⁄, `⁄‹¤ (SPCU, SPCV, SPCW) !¡ IC801 !§ (XOUT) • IC Block Diagrams IC551 MPC17A55FTA IC601 CXD2663GA 1 V/DIV, 10 ms/DIV 100 mV/DIV, 5 µs/DIV 500 mV/DIV, 20 ns/DIV –...

  • Page 15: Audio Board

    IC901 MPC1830ADTB IC902 XC6383C281MR CHIP VSTB ENABLE VRMC XWK1 BAND GAP VREF VREF VLX LIMITER REFERENCE XWK2 VOUT XWK3 BUFFER XWK4 SYSTEM CONTROL FFCLR 2STEP PFM CONTROL SLEEP – OSC 100/180kHz VBSEL CRST – RESET XRST VB SELECT VBMON PGND OSC1 SPCKO SPCK...

  • Page 16: Ic Pin Function Description

    6-4. IC PIN FUNCTION DESCRIPTION MAIN BOARD IC501 CXA2523ATQ-T4 (RF AMP, FOCUS/TRACKING ERROR AMP) Pin No. Pin Name Description I-V converted RF signal I input from the optical pick-up block detector I-V converted RF signal J input from the optical pick-up block detector Middle point voltage (+1.2V) generation output terminal 4 to 9 A to F...
  • Page 17 MAIN BOARD IC601 CXD2663GA (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 (+2V) (for internal logic) Signal indicating the speed follow-up spinning mode output to the system controller (IC801) MNT0 “H”: speed follow-up spinning mode MNT1...
  • Page 18 Pin No. Pin Name Description LRCK L/R sampling clock signal (44.1 kHz) output to the external D/A converter Not used (open) VSC2 — Ground terminal (for internal logic) XBCK Bit clock signal (2.8224 MHz) output to the external D/A converter Not used (open) FS256 Clock signal (11.2896 MHz) output to the external D/A converter Not used (open) A03, A04, A02,...
  • Page 19 Pin No. Pin Name Description ADFG ADIP duplex FM signal (22.05 kHz 1 kHz) input from the CXA2523ATQ (IC501) VDIO2 — Power supply terminal (+2.2V) (for I/O cell) VSIO2 — Ground terminal (for I/O cell) Center frequency control signal output terminal of internal circuit (BPF22, BPF3T, EQ) output to F0CNT the CXA2523ATQ (IC501) XLRF...
  • Page 20 Pin No. Pin Name Description DVDD0 — Power supply terminal (+2.4V) (for internal 16M bit D-RAM) DVSS1 — Ground terminal (for internal 16M bit D-RAM) DVDD1 — Power supply terminal (+2.4V) (for internal 16M bit D-RAM) TST8 Input terminal for the test Not used (open) 148 to168 —...
  • Page 21 MAIN BOARD IC801 RU6915MF-0001 (SYSTEM CONTROLLER) Pin No. Pin Name Description THOLD Two shaft device tracking coil-end voltage monitor input terminal (A/D input) UREG MON Un-regulator power supply voltage monitor input terminal (A/D input) VC MON VC (middle point voltage) power supply voltage monitor input terminal (A/D input) VREF Input terminal for power supply voltage adjustment reference voltage (+2V) (A/D input) PLAY KEY...
  • Page 22 Pin No. Pin Name Description CLV V MON Spindle servo (V) timing signal input from the MPC17A55VF (IC551) CLV W MON Spindle servo (W) timing signal input from the MPC17A55VF (IC551) CLV U CON Spindle servo (U) drive signal input from the MPC17A55VF (IC551) Not used CLV V CON Spindle servo (V) drive signal input from the MPC17A55VF (IC551) Not used CLV W CON...

  • Page 23: 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 ! or dotted line with mark may have some difference from the original are seldom required for routine service.
  • Page 24 (2) MECHANISM DECK SECTION (MT-MZE55-150) M502 M501 The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-982-561-11 SPRING, RACK 4-986-811-01 SPRING (EJECT), TENSION...

  • Page 25: Electrical Parts List

    SECTION 8 AUDIO MAIN ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by mark ! or dotted line with mark are seldom required for routine service. parts list may be different from the parts speci- ! are critical for safety.
  • Page 26 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C561 1-125-838-11 CERAMIC CHIP 2.2uF 6.3V * CN501 1-778-168-11 CONNECTOR, FFC/FPC (ZIF) 20P C562 1-109-982-11 CERAMIC CHIP * CN551 1-793-124-21 CONNECTOR, FPC (ZIP) 8P C563 1-117-720-11 CERAMIC CHIP 4.7uF * CN801 1-793-327-21 CONNECTOR, FPC...
  • Page 27 1-216-857-11 METAL CHIP 1/16W < LED > R612 1-216-811-11 METAL CHIP 1/16W R613 1-216-821-11 METAL CHIP 1/16W D801 8-719-061-82 LED TLSU1002 (TPX1, SONY) (OPERATE) R614 1-216-821-11 METAL CHIP 1/16W < RESISTOR > R615 1-216-803-11 METAL CHIP 1/16W R616 1-216-864-11 METAL CHIP...
  • Page 28 MZ-E80 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MISCELLANEOUS ************** 1-674-262-11 SWITCH FLEXIBLE BOARD 1-670-707-11 CLV FLEXIBLE BOARD ! 63 X-4949-164-1 OPTICAL PICK-UP ASSY (ODX-1B) M501 8-835-594-02 MOTOR, DC SSM-01C03A/C-N (SPINDLE) M502 1-698-764-21 MOTOR, SLED (SLED) ************************************************************ ACCESSORIES &...
  • Page 29 MZ-E80 E Model Tourist Model SERVICE MANUAL 2000. 05 SUPPLEMENT-1 File this supplement with the service manual. Subject: Change of Boards (ECN-DA800895, DA800972) The MAIN board, AUDIO board, and SW board have been changed in the middle of production. Printed wiring board and schematic diagram of new type, and changed parts list are described in this Supplement-1.
  • Page 30 MZ-E80 • PRINTED WIRING BOARDS (CONDUCTOR SIDE) uCOM MAIN BOARD • Semiconductor Location uCOM Ver. 2.0 Ver. 1.1 or later Ref. No. Location Ref. No. Location (COMPONENT SIDE) MAIN BOARD D151 IC506 D-13 DRY BATTERY D903 IC902 SIZE “AA” Ref. No.
  • Page 31 MZ-E80 • SCHEMATIC DIAGRAM • All resistors are in W or less unless otherwise specified. • : indicates tolerance. • : internal component. • C : panel designation. Note: The components identified by mark 0 or dotted line with mark 0 are critical for safety.

  • Page 32: Electrical Parts List

    4-219-844-01 TERMINAL C919 1-164-156-11 CERAMIC CHIP 0.1uF < TRANSISTOR > R614 1-216-821-11 METAL CHIP 1/16W D801 8-719-061-82 LED TLSU1002 (TPX1, SONY) (OPERATE) 4-223-223-01 SHEET (TERMINAL) C556 1-107-765-11 TANTALUM CHIP 3.3uF C920 1-164-156-11 CERAMIC CHIP 0.1uF R615 1-216-803-11 METAL CHIP 1/16W...

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