Sony MD Walkman MZ-E44 Скачать руководство пользователя

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MZ-E44/E45

9-924-929-12

Sony Corporation

Personal A&V Products Company

99A0280-1

Published by Quality Engineering Dept.

(Shibaura)

Содержание MD Walkman MZ-E44

Страница 1: ...onaural channel Frequency response 20 to 20 000 Hz 3 dB Wow and Flutter Below measurable limit Outputs Headphones stereo mini jack maximum output level 5mW 5mW load impedance 16 ohm General Power requirements Rechageable battery supplied Nickel metal hydride rechargeable battery NH 9WM N One LR6 size AA alkaline battery not supplied Sony AC Power Adaptor AC E15L not supplied connected at the DC IN...

Страница 2: ...side of a tantalum capacitor may be dam aged by heat TABLE OF CONTENTS CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure IN NO EVENT SHALL SELLER BE LIABLE FOR ANY DIRECT INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY NATURE OR LOSSES OR EXPENSES RESULTING FROM ANY DEFECTIVE PRODUCT OR THE USE OF ANY PRODUCT...

Страница 3: ... PLAY FF REW p STOP 2 HOLDswitch 3 VOLUME buttons 4 EJECTbutton 5 OPERATElamp 6 Batterycompartment 7 Externalbatteryterminal 8 DIGITALMEGABASSs witc h 9 AVLSs witc h º2 REMOTEjack 1 Headphones 2 MDoperateswitchandbuttons PLAY FF REW p STOP 3 VOL button 4 Displayindicator 5 DISPLAYbutton 6 PLAYMODEbutton 7 P PAUSE b utton 8 HOLD cswitch 9 p STOP b utton ...

Страница 4: ...n precision 2 1 Screws M1 4 pan precision Bottom panel ASSY Main section 1 Screws M1 4 pan precision 8 º 4 Switch unit CN801 9 Remove solder 9 Remove solder 9 Remove solder 1 Screw M1 4x2 toothed lock 7 Screw tapping M1 7 1 Screws M1 4x2 toothed lock 2 Screw Main board Battery case ASSY 6 Flexible CLV board CN551 5 Flexible board CN501 3 Screw M1 4 pan precision set Main board Belt ASSY Front pane...

Страница 5: ... 3 5 MECHANISM DECK SECTION 3 2 1 8 4 Boss Boss Main section 5 Belt ASSY 7 Claws Claw Boss Claws Front panel ASSY 6 Screw M1 4 pan precision 3 1 Remove claws 1 Remove claws 2 Step screws Chassis ASSY main section Mechanism deck section ...

Страница 6: ...en replacing the optical block the OP flexible board protec tive sheet SW is necessary Before replacing check where the sheet SW is pasted onto the old OP flexible board and paste it on the new OP flexible board in the same way Pasting on the sheet SW Paste on aligning the sheet SW center section with the edge of the OP flexible board as in the figure and folding the excess over onto the opposite ...

Страница 7: ...st mode is set the LCD displays the following The cycle the above ROM version display n All lit nAll off is repeated The ROM version is constantly displayed When the PLAY MODE key is pressed and hold down the dis play at that time is held so that display can be checked Configuration of Test Mode The test mode has the configuration given below Servo Mode Set the test mode press the VOLUME key and u...

Страница 8: ...on CD tracking gain 046 Lower reflection CD RF offset 047 Lower reflection CD RF gain 048 Lower reflection CD focus bias 050 CD adjustment Mode Description 051 CD EF balance 052 CD EF gain 053 CD ABCD gain 054 CD focus gain 055 CD tracking gain 056 CD RF offset 057 CD RF gain 058 CD focus bias See page 7 p key p key p key p key keys MO adjustment 0 3 0 031 to 039 1 key p key p key keys CD adjustme...

Страница 9: ...frequency characteristics When the VOLUME keys is pressed in any mode the vol ume of the headphones is changed increased decreased in units of one step When the keys is pressed the volume of the headphones is maximized minimized For the volume value any changed value remains as it is basi cally However when the volume is switched from 114 to 115 or 118 to 119 it returns the default value Audio mod...

Страница 10: ...is readjusted in servo mode Adjustment Method in Overall Adjustment Mode 1 Enter the test mode and press the VOLUME key to enter over all adjustment mode 2 Insert the CD test disc TGYS 1 or SONY MO disc recorded commercially available 3 Press the key twice The disc is determined whether it is CD or MO and each adjustment mode is set Automatic adjustments are performed in the order of the items lis...

Страница 11: ...DER check 14 071 Focus search 15 031 MO EF balance 16 032 MO EF gain 17 031 MO EF balance 18 033 MO ABCD gain 19 034 MO focus gain 20 035 MO tracking gain 21 036 MO RF gain 22 037 MO ADIP gain 23 039 MO focus bias A 24 073 ADER check 25 061 Sled in 26 071 Focus search 27 041 Low reflection CD EF balance 28 042 Low reflection CD EF gain 29 041 Low reflection CD EF balance 30 043 Low reflection CD A...

Страница 12: ...ter not the outermost or inner most circumference and then play the AU 1 disk 031 n 032 n033 4 Press the PAUSE key at 033 and adjust the MO ABCD gain 5 Press the STOP key 030 monitor the OFTRK SP508 signal and set the focus ON at 031 with the PLAY key 6 The adjustment is okay when the periods for H and L of the OFTRK is about equal 7 Perform an overall adjustment without turning off the power 8 Pe...

Страница 13: ...S switch input 27 DSP SINT I Interrupt input from DSP 28 DBB 0 I DIGITAL MEGA BASS switch input MID 29 DBB 1 I DIGITAL MEGA BASS switch input MAX 30 OPR LED O LED drive output 31 XWK CLR O Power IC wakeup factor latch clear output and motor driver IC control signal outpt 32 ADJUST I Normally Test mode select input L Test mode 33 SLEEP O Power supply circuit OFF signal output 34 SBUS CLK O SBB seri...

Страница 14: ...ation 63 66 Not used Open 67 SLD VCON O Sled servo outer voltage control output 68 SLD PWR UP O Baypass transistor control output for sled drive power supply 69 HP MUTE O Headphone amplifier mute output 70 HP STBY O Headphone amplifier standby output 71 RMC SEL O TSB SSB selection signal output to remote commander terminal Not used Open 72 NV D0 O Serial data signal output for NVRAM 73 NV D1 I Ser...

Страница 15: ... 15 17 16 Signal path J PLAY 6 2 BLOCK DIAGRAM MZ E44 E45 ...

Страница 16: ...mponent side r Through hole b Pattern from the side which enables seeing The other layers patterns are not indicated Caution Pattern face side Parts on the pattern face side seen from the Side B pattern face are indicated Parts face side Parts on the parts face side seen from the Side A parts face are indicated Note Use R1001 only with Ver 3 0 of microprocessor IC801 Using R1001 with other micropr...

Страница 17: ...fied by mark or dotted line with mark are critical for safety Replace only with part number specified A B Line Power voltage is dc 1 5V and fed with regulated dc power supply from battery terminal Voltages and waveforms are dc with respect to ground under no signal conditions no mark PLAY Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion t...

Страница 18: ...REN ROE 1ntSTB 1ntSTB 1ntOE DO or DI F12 R12 F11 R11 R13 F13 R14 F14 OE VREG VREG CONT CLPF RGND VC GND VG PWM DI DO VB1 VB1 VB VB VB2 LI LI UO VO WO VD VD L2H L2L GND DCC2 GND DCC1 GND DCC1 HIU HIV HIW P11 P12 VPS2 PO2 GND PS PO1 VPS1 GND 3P2 HOW VD2 HOV GND 3PI HOU VD IN GND H2 FO2 VM2 RO2 GND H12 FO1 VM1 RO1 GND H13 FO3 VM3 RO3 GND H34 FO4 GND H4 VC VM4 RO4 INSTRUCTION DECODE CONTROL AND CLOCK ...

Страница 19: ... SWITCH UNIT 57 4 211 119 01 SCREW STEP 58 X 4950 229 1 CHASSIS ASSY MAIN SECTION 59 4 989 078 01 SPRING OPEN TENSION 60 4 995 274 11 SPRING O C TORSION 61 4 982 418 01 DAMPER 62 4 211 118 01 LID BATTERY CASE 63 4 212 087 01 TERMINAL 64 X 4950 232 1 CASE ASSY BATTERY 65 4 963 883 41 SCREW M1 4 PRECISION PAN 66 4 217 305 01 SHEET BLIND 7 2 MAIN SECTION MT MZE44 140 51 52 53 54 55 55 56 57 57 58 59 ...

Страница 20: ...49 164 1 OPTICAL PICK UP BLOCK ASSY 115 4 988 858 01 SHEET SW 116 3 309 595 11 SHEET INSULATING PACK M901 1 698 991 11 MOTOR DC including PULLEY SPINDLE M902 1 698 764 21 MOTOR SLED including PULLEY SLED R1001 1 216 789 11 METAL CHIP 2 2 5 1 16W 7 3 MECHANISM DECK SECTION MT MZE44 140 The components identified by mark or dotted line with mark are critical for safety Replace only with part number s...

Страница 21: ... CHIP 0 1uF 25V C511 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C551 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C552 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C553 1 104 850 11 TANTAL CHIP 6 8uF 20 10V C554 1 104 850 11 TANTAL CHIP 6 8uF 20 10V C555 1 104 912 11 TANTAL CHIP 3 3uF 20 16V C556 1 104 912 11 TANTAL CHIP 3 3uF 20 16V C557 1 117 720 11 CERAMIC CHIP 4 7uF 10V C558 1 117 720 11 CERAMIC CHIP 4 7u...

Страница 22: ...3 1 216 829 11 METAL CHIP 4 7K 5 1 16W R204 1 216 864 11 METAL CHIP 0 5 1 16W R301 1 216 809 11 METAL CHIP 100 5 1 16W R302 1 216 803 11 METAL CHIP 33 5 1 16W R303 1 216 797 11 METAL CHIP 10 5 1 16W R501 1 216 817 11 METAL CHIP 470 5 1 16W R502 1 216 827 11 METAL CHIP 3 3K 5 1 16W R503 1 216 853 11 METAL CHIP 470K 5 1 16W R505 1 216 841 11 METAL CHIP 47K 5 1 16W R506 1 216 864 11 METAL CHIP 0 5 1 ...

Страница 23: ...HK JE 1 528 580 21 BATTERY CHARGER BC 7HT E JE 1 528 743 11 BATTERY NICKEL HYDROGEN 1 528 865 11 BATTERY CHARGER BC 9HY2 AEP 1 528 866 11 BATTERY CHARGER BC 9HP2 UK HK 1 528 867 11 BATTERY CHARGER BC 9HG2 AUS 1 528 891 12 BATTERY CHARGER BC 9HU2 US 1 569 007 11 ADAPTOR CONVERSION 2P E JE 1 759 628 11 CASE BATTERY 3 008 521 01 CASE BATTERY CHARG 3 864 524 11 MANUAL INSTRUCTION SPANISH CHINESE AEP E...

Страница 24: ... 34 MZ E44 E45 9 924 929 12 Sony Corporation Personal A V Products Company 99A0280 1 Printed in Japan 1999 1 Published by Quality Engineering Dept Shibaura ...

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