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MZ-E60
SERVICE MANUAL US Model
Canadian Model
AEP Model
E Model
(Photo: Silver)
US and foreign patents licensed from Dolby
Model Name Using Similar Mechanism MZ-E90
Laboratories Licensing Corporation.
MD Mechanism Type MT-MZE60-169
Optical Pick-up Mechanism Type LCX-2E
SPECIFICATIONS
General
System
Power requirements
Audio playing system
One LR6 (size AA) battery (not supplied)
MiniDisc digital audio system
Battery operation time
Laser diode properties
You can check the battery condition with th
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Dimensions This MiniDisc player is classi- Approx. 81 × 25 × 74 mm (w/h/d) fied as a CLASS 1 LASER 1 (3 /4 × 1 × 3 in.) not including projecting product. parts and controls The CLASS 1 LASER Mass Approx. 95 g (3.4 oz.) the player only PRODUCT label is located on Approx. 136 g (4.8 oz.) incl. a premastered MD the bottom exterior. and a LR6 (size AA) alkaline battery Supplied accessories IN NO EVENT SHALL SELLER BE Headphones with a remote control (1) LIABLE FOR ANY DIRECT, Carrying pouch (1) INCI
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TABLE OF CONTENTS 1. SERVICING NOTE ......................................................... 4 6. DIAGRAMS ..................................................................... 14 6-1. IC Pin Description .............................................................. 14 6-1-1. IC801 RU6915MF-0006 (System Control) ................. 14 2. GENERAL ......................................................................... 5 6-2. Block Diagrams .........................................................
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SECTION 1 SERVICING NOTE 1) When repairing this device with the power on, if you remove the main board or open the upper panel assy, this device stops working. In this case, you can work without the device stopping by fastening the hook of the OPEN/CLOSE switch (MAIN board S809) with tape. MAIN board S809 2) This set is designed to perform automatic adjustment for each adjustment and write its value to EEPROM. Therefore, when EEPROM (MAIN board IC802) has been replaced in service, be sure to per
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SECTION 2 This section is extracted from GENERAL instruction manual. – 5 –
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– 6 –
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SECTION 3 DISASSEMBLY Note : This set can be disassemble according to the following sequence. Set Panel Assy, Upper Holder Assy Mechanism Deck Main Board Service Assy, OP Note : Follow the disassembly procedure in the numerical order given. 3-1. PANEL ASSY, UPPER 4 screws(1.4),MI 5 panel assy, upper 3 screws(1.4),MI 2 1 3-2. HOLDER ASSY 3 holder assy 2 shaft 1 shaft – 7 –
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3-3. MECHANISM DECK 1 sheet (BLIND) 2 screw (MD), step 4 7 mechanism deck 3 5 CN501 6 CN551 claw 3-4. MAIN BOARD Note : When installing, fit the knobs (HOLD, MB) and the switchs (S806, 807, 808). 2 screws(1.7x2.5) 1 screws(1.7x2.5) S808 S806 S807 3 4 MAIN board knobs (MB) knob (HOLD) – 8 –
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3-7. SERVICE ASSY, OP 4 M 1.4 3 M 1.4 5 service assy, OP 1 washer 2 gear (SA) – 9 –
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SECTION 4 TEST MODE Remote control LCD 4-1. GENERAL • 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 888 u discriminates between CD and MO discs, performs adjustments All on in sequence automatically, and displays the faulty location if any fault is found. In the Manual mode, selected adjustments can be performed automatically. • The attached remote control is
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4-4. MANUAL MODE 4-4-1. Outline of the function Address Value & Adjustment Value The Manual mode is designed to perform adjustments and LCD display operational checks on the set’s operation according to each 011 XXXSXX individual function. Usually, no adjustments are made in this mode. Block Error Value & Adjustment Value However, the Manual mode is used to clear the memory before LCD display performing automatic adjustments in the Overall Adjustment mode. 011 XX BXX 4-4-2. How to set the Manual
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SECTION 5 ELECTRICAL ADJUSTMENTS 5-1. GENERAL 5-4. OVERALL ADJUSTMENT MODE In this set, CD and MO discs can be automatically adjusted by set- 5-4-1. Overall adjustment mode structure ting the Overall Adjustment mode within the TEST MODE, Before performing these automatic adjustments, it is necessary to clear the memory and adjust the power in the Manual mode. Overall Adjustment Mode 5-2. NOTES FOR ADJUSTMENT . key 5-2-1. Jigs • CD disc TDYS-1 (part code: 4-963-646-01) Overall CD Adjustment • M
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6. If NG in the overall MO adjustments, return to Reset NV and perform the adjustment again. LCD display XXX NGXX XXX: NG item No. 7. If OK through the overall MO adjustments, press x key to return to the TEST MODE and terminate the Overall Adjust- ment mode. LCD display XXX End-OK 5-4-3. Overall CD and MO adjustment items 1. Overall CD adjustment items Item No. Contents 312 313 CD electrical offset adjustment 314 321 CD TE gain adjustment 328 CD TWPP gain adjustment 323 CD TE offset adjustment
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SECTION 6 DIAGRAMS 6-1. IC PIN DESCRIPTION 6-1-1. IC801 RU6915MF-0006 (SYSTEM CONTROL) Pin No. Pin Name I/O Description 1 S MON I S-MON monitor signal input from the µ PD63732GC (IC601) 2 UREG MON I Un-regulator power supply voltage monitor input terminal (A/D input) 3NC — Not used. (open) 4 VREF I Input terminal for power supply voltage adjustment reference voltage (+2 V) (A/D input) 5 DVDD MON I Not used. (Fixed at “H”.) 6NC — Not used. (open) 7 RMC KEY I Remote commander with headphone key in
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Pin No. Pin Name I/O Description 50 CLV W CON I Spindle servo (W) drive signal input from the BD6602KUT (IC551) 51 DRV VCON O Driver output control terminal to the DB6602KUT (IC551) “L”: prohibited, “H”: permission 52 NC — Not used. (open) 53 SLED 1R CON O Sled motor control signal output to the BD6602KUT (IC551) 54 SLED 1F CON O Sled motor control signal output to the BD6602KUT (IC551) 55 SLED 2R CON O Sled motor control signal output to the BD6602KUT (IC551) 56 SLED 2F CON O Sled motor con
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MZ-E60 6-2. BLOCK DIAGRAMS 6-2-1. MD BLOCK DIAGRAM ( ) 1/2 MD SECTION MAIN BOARD DIGITAL SERVO • Signal path ATRAC 16M DRAM IC601 IC602 : MD B+ (Q907) 71 9 2 VREF VSS 1 B+ 74 12 VSS 13 (Q907) • • 70 15 A0 DRA0 | 66 19 | • • A11 DRA11 62 21 VDD ADJ • • 1 65 8 MINIDISC 20 • • • 64 6 OPTICAL PICK-UP BLOCK B+ RF AMP, FOCUS/TRACKING ERROR AMP 37 (LCX-2E) • (Q907) IC501 52 2 51 VDD • • • DRD0 D0 53 3 CN501 75 | • • | VREF • 6 3 VREF 58 24 87 DRD3 D3 • • DVDD 21 ly 57 25 47 MCK I/O AVCC 38 ID3 XRAS XRA
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MZ-E60 6-2-2. SERVO, SYSTEM CONTROL BLOCK DIAGRAM ( ) MAIN BOARD 2/2 B+ SERVO, SYSTEM CONTROL SECTION AOUTL MD (UNREG) HEADPHONE 2 AOUTR • Signal path SECTION AMP B+ 1 B+ IC301 (Page 18) B+ (Q907) B+ : MD EEPROM (Q907) (Q907) IC802 20 VCC PW A J301 8 VCC CS 1 76 NV CS1 DVDD MON 5 SK NV CLK 2 75 22 2 i DO 3 74 NV DI PW B B+ Q802 PE DI NV DO 7 4 73 SYSTEM (D901) 21 CONTROL 21 4 GND • IC801 40 VREF VREF 4 VDD KEY • MCLK 25 XCLK 79 DATA B+ PW B+ SINT DSP SINT 28 12 18 VDD (D903) SW (D903) VREF REFER
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D352 D351 D353 MZ-E60 6-3. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS 6-3-1. PRINTED WIRING BOARD — MAIN BOARD — 1 23456789 10 11 12 13 14 A • Semiconductor Location MAIN BOARD (SIDE A) Ref. No. Location GND1 D351 F-2 D352 F-3 C511 D353 F-3 22 20 15 10 5 1 B D354 E-3 C502 D D802 C-5 IC501 D903 E D855 F-3 TP530 Q908 GND2 D903 B-4 C C911 23 25 30 35 40 44 B R903 G S IC302 F-4 VOL S802 IC501 B-9 4 3 D802 R922 C909 S801 S803 > N IC601 E-9 2 C OPERATE S805 S804 x . IC602 F-11 C910 R919 5 1 IC801
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MZ-E60 14 13 12 11 10 9 8 7 6 5 4 3 2 1 DRY BATTERY SIZE"AA" A (IEC DESIGNATION R6) • Semiconductor 1PC,1.5V MAIN BOARD (SIDE B) Location Ref. No. Location D901 C-5 5 4 D902 D-5 TP506 Q901 TP513 B IC301 H-5 IC901 B C908 IC551 G-10 TP507 C 12 3 IC552 G-13 TP514 S809 TP508 TP522 B C503 C504 IC901 B-5 TP520 E TP952 (OPEN/CLOSE) C IC902 D-4 C509 R506 TP519 E R927 TP509 TP510 TP515 G D901 TP516 E B R502 L901 D Q301 H-6 TP528 C901 TAP803 Q501 S Q501 C-7 TP525 C Q901 B-4 C TP574 TP572 TP523 TP571 R92
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MZ-E60 6-3-2. SCHEMATIC DIAGRAM — MAIN BOARD (1/4) — • Refer to page 33 for IC Block Diagrams. (Page 27) (Page 31) (Page 29) Note: • All capacitors are in µF unless otherwise noted. pF: µµF •A : B+ Line. 50 WV or less are not indicated except for electrolytics • Power voltage is dc 1.5V and fed with regulated dc power and tantalums. supply from battery terminal. 1 • All resistors are in Ω and /4 W or less unless otherwise • Voltage and waveforms are dc with respect to ground specified. under
