Sony MZ-E45 manual

V er 1.1 1999.01 MICROFILM MZ-E44/E45 SERVICE MANUAL POR T ABLE MINIDISC PLA YER SPECIFICA TIONS US Model AEP Model UK Model A ustralian Model T our ist Model MZ-E44 E Model MZ-E44/E45 Model Name Using Similar Mechanism NEW MD Mechanism T ype MT -MZE44-140 Optical Pic k-up Mechanism T ype ODX-1A/1B Photo : MZ-E44 (SIL VER) Photo : MZ-E45 (GRA Y) US[...]

– 2 – Specifications ........................................................................... 1 1. SER VICING NOTE ....................................................... 2 2. GENERAL Location and Function of Controls .................................... 3 3. DISASSEMBL Y 3-1. Upper Panel Assy ................................................[...]

– 3 – SECTION 2 GENERAL LOCA TION AND FUNCTION OF CONTROLS Headphones with Remote Control 2 7 6 3 1 5 4 8 !º 9 1 2 3 4 5 6 8 9 7 Main Unit 1 MD operate buttons ” • + (PLAY • FF ) = (REW ) p (ST OP) 2 HOLD switch 3 VOLUME +/– buttons 4 EJECT button 5 OPERA TE lamp 6 Battery compartment 7 External battery terminal (+/–) 8 DIGIT AL MEGA[...]

– 4 – SECTION 3 DISASSEMBL Y Note : Follow the disassembly procedure in the numerical order given. 3-1. UPPER P ANEL ASSY 3-3. MAIN BO ARD r The equipment can be removed using the following procedure. 3-2. BOTT OM P ANEL ASSY 1 3 2 Screws (M1.4) pan precision Upper panel ASSY Main section 2 Screws (M1.4) pan precision 2 1 Screws (M1.4) pan prec[...]

– 5 – 3-4. BEL T ASSY , FRONT P ANEL ASSY 3-5. MECHANISM DECK SECTION 32 1 8 4 Boss Boss Main section 5 Belt ASSY 7 Claws Claw Boss Claws F ront panel ASSY 6 Screw (M1.4) pan precision 3 1 Remov e claws 1 Remov e claws 2 Step screws Chassis ASSY (main section ) Mechanism deck section[...]

– 6 – 3-6. OPTICAL PICK-UP BLOCK ASSY 3 4 5 1 Screw precision 2 OP flexib le board Main shaft Chassis ASSY (MD section ) Optical pick-up b lock ASSY OP flexib le board Sheet (SW) 5 mm Optical pick-up ASSY r NO TE When replacing the optical block, the OP flexible board protec- tive sheet (SW) is necessary . Before replacing, check where the shee[...]

– 7 – SECTION 4 TEST MODE Outline • In this set, overall adjustment mode is made available by enter - ing test mode to perform automatic adjustment of CD and MO. In the overall adjustment mode, the disc is determined whether it is CD or MO and adjustments are performed in sequence. If a fault is found, the location of the fault is displayed. [...]

– 8 – 2. Description of Each Mode 010 Offset adjustment Mode Description 011 FE offset 012 TE offset 013 All servo ON 020 Laser power adjustment Mode Description 021 MO power A 022 MO power E 023 CDL power 024 CD power 030 MO adjustment Mode Description 031 MO EF balance 032 MO EF gain 033 MO ABCD gain 034 MO focus gain 035 MO tracking gain 036[...]

– 9 – 060 Sled movement Mode Description 061 Sled in 062 Sled out 5 070 Automatic adjustment Mode Description 071 Focus search 072 Access 32 073 ADER check 074 Tracking sensitivity adjust 090 NV relation Mode Description 091 NV clear 092 Power OFF 093 Function code change A udio Mode • Enter the test mode and press the VOLUME – key . Then, [...]

– 10 – P o wer Mode • Enter the test mode and press the VOLUME – key . Then, press the ( key and the VOLUME – key in this turn to enter power mode. • When entering another mode, refer to the configuration of test mode. 1. Structure of Power Mode Overall Adjustment Mode • Enter the test mode and press the VOLUME + key to enter over- al[...]

– 11 – * Remote commander display during automatic adjustment 4. If result of automatic adjustment is OK, the following display appears. 5. If result of automatic adjustment is NG, the following display appears. * If NG, enter servo mode to perform automatic adjustment of the item determined as NG. 057   Adjustment value (flashing) Mode N[...]

– 12 – Adjustment in Serv o Mode Method 1. When each adjustment mode is set according to the structure of servo mode, the lower two digits of the mode No. and the ad- justment value written in EEPROM are displayed and lit on the LCD on the remote commander . 2. When the P key is pressed, the following display appears and the automatic adjustmen[...]

– 13 – Pin No. Pin Name I/O Pin Description 1 – Not used (Fixed at “L” ). 2 UREG MON I Unreg voltage monitor input. 3 – Not used (Fixed at “L” ). 4 VREF I Reference voltage for power supply voltage adjustlment. 5 PLA Y KEY I Set PLA Y key input. 6 OPEN/CLS SW I OPEN/CLOSE switch input. L : Close 7 RMC KEY I Remote commander key inpu[...]

– 14 – Pin No. Pin Name I/O Pin Description 48 – Not used (Open). 49 – Not used (Open). 50 VDD – Digital power supply (+2.6V or +2.8V). 51 VPP – Power for on board light. 52 VSS – Digital ground. 53 SLD 1R CON O Sled motor control signal output. 54 SLD 1F CON O Sled motor control signal output. 55 SLD 2R CON O Sled motor control signa[...]

– 15 – – 17 – – 16 – • Signal path. J : PLA Y 6-2. BLOCK DIA GRAM MZ-E44/E45[...]

– 18 – – 20 – – 19 – Ref. No. Location r Semiconductor Location D351 I-10 D352 H-11 D801 I-5 D841 F-10 D901 D-5 D902 H-14 IC301 C-7 IC302 D-7 IC501 H-12 IC551 G-14 IC552 F-14 IC601 F-12 IC603 F-6 IC801 C-13 IC802 C-15 IC901 E-4 Q501 I-12 Q551 G-3 Q552 F-3 MZ-E44/E45 6-3. PRINTED WIRING BO ARDS Note: • X : parts extracted from the comp[...]

– 21 – – 22 – – 24 – – 23 – r Refer to page 25 f or IC Block Diagrams. 6-4. SCHEMA TIC DIA GRAM MZ-E44/E45 r W avef orms 2 1 4 IC601 $ª VOL T/DIV : 500mV AC TIME/DIV : 20nsec 3 800mVp-p 2.7Vp-p 23 µ sec 2.6Vp-p 482nsec 2.0 Vp- p 16.9344 MHz IC601 $¡ VOL T/DIV : 500mV AC TIME/DIV : 200nsec IC601 #ª VOL T/DIV : 1V AC TIME/DIV : 10[...]

– 27 – – 28 – – 25 – – 26 – MZ-E44/E45 r IC Block Dia grams IC301 B A3577FS-E2 IC552 TLC372CPWR IC601 µ PD63731GC-9EU MUTE BEEP 20 19 18 17 16 15 14 12 11 13 2 1 3 4 5 6 7 8 9 10 R/F NC NC VCC VCC +B +B NF1 OUT1 GND OUT2 NF2 BEEP IN RF IN RF OUT BIAS IN BIAS OUT V IN1 V IN2 PWSTB PWSTB T MUTE MUTE T PWSTB 2 3 5 4 6 7 8 1 V+ V– 21[...]

– 29 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 51 3-703-502-11 SCREW 52 4-984-017-01 SCREW (1.7), T APPING 53 A-3293-984-A MAIN BOARD, COMPLETE 54 4-211-392-01 PLA TE, BLIND 55 3-335-797-91 SCREW (M1.4), TOOTHED LOCK 56 1-475-804-11 SWITCH UNIT 57 4-211-119-01 SCREW , STEP 58 X-4950-229-1 CHASSIS ASSY (MAIN SEC[...]

– 30 – 101 4-963-883-61 SCREW (M1.4), PRECISION PAN 102 4-982-563-01 SPRING, THRUST 103 1-666-784-13 FLEXIBLE (CL V) BOARD 104 4-963-883-21 SCREW (M1.4), PRECISION PAN 105 4-965-893-01 WASHER, GEAR (A) STOPPER 106 X-4950-157-1 CHASSIS ASSY (MD SECTION) 107 X-4948-010-1 HOLDER ASSY 108 4-982-555-01 GEAR (A) 109 4-210-659-01 SPRING, TENSION 110 3[...]

– 31 – NO TE : • Due to standardization, replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set. • -XX, -X mean standardized parts, so they may have some difference from the original one. • RESISTORS All resistors are in ohms MET AL : Metal-film resistor MET AL OXIDE :Met[...]

– 32 – C914 1-126-246-11 ELECT CHIP 220uF 20% 4V C918 1-115-156-11 CERAMIC CHIP 1uF 10V C919 1-115-156-11 CERAMIC CHIP 1uF 10V < CONNECTOR > CN501 1-573-360-21 CONNECTOR, FFC/FPC 20P CN551 1-784-226-21 CONNECTOR, FFC/FPC 8P CN801 1-778-154-21 CONNECTOR, FFC/FPC 6P < DIODE > D351 8-719-017-58 DIODE MA8068 D352 8-719-045-87 DIODE MA4Z[...]

– 33 – < SWITCH > S301 1-762-079-11 SWITCH, SLIDE (DIGITAL MEGABASS) S801 1-572-688-11 SWITCH, PUSH (1 KEY) (OPEN/CLOSE) S802 1-762-078-11 SWITCH, SLIDE (HOLD c ) S803 1-762-078-11 SWITCH, SLIDE (AVLS) < VIBRA TOR > X601 1-767-621-11 VIBRATOR, CERAMIC (16.9344MHz) ************************************************************ MISCELLA[...]

– 34 – MZ-E44/E45 9-924-929-12 Sony Corporation P ersonal A&V Pr oducts Company 99A0280-1 Printed in Japan © 1999.1 Published by Quality Engineering Dept. (Shibaura)[...]