Sony MD WALKMAN MZ-E300 Скачать руководство пользователя | Manualshive

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MZ-E300

5-6. SCHEMATIC DIAGRAM – MAIN SECTION (2/3) –

z

Refer to page 24 for Notes.

z

Refer to page 26 – 28 for IC Block Diagrams.

z

Refer to page 25 for Waveforms.

IC B/D

IC B/D

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Содержание MD WALKMAN MZ-E300

Страница 1: ...ourteen Modulation Number of channels 2 stereo channels 1 monaural channel Frequency response 20 to 20 000 Hz 3 dB Wow and Flutter Below measurable limits Power requirements One LR6 size AA battery not supplied Battery operation time Battery life EIAJ1 Battery Playback LR6 SG Sony Alkaline dry battery2 Approx 33 hours 1 Measured in accordance with the EIAJ Electronic Industries Association of Japa...

Страница 2: ...on on the same conductor of the circuit board within 3 times Be careful not to apply force on the conductor when soldering or unsoldering Notes on chip component replacement Never reuse a disconnected chip component Notice that the minus side of a tantalum capacitor may be dam aged by heat TABLE OF CONTENTS SECTION 1 SERVICING NOTE When repairing this device with the power on if you remove the mai...

Страница 3: ...3 MZ E300 SECTION 2 GENERAL This section is extracted from instruction manual ...

Страница 4: ...einforcement Spring POP L 4 Move it away from projection 4 Move it away from projection 2 Move it away from projection 7 Screws tapping 1 7 Case ASSY Mechanism deck Reinforcement 3 Claw 2 4 8 1 Screw MD step 5 Motor flexible board 6 OP flexible board Optical pick up ASSY Set Lid ASSY Upper Holder ASSY Mechanism deck Main board Note Holder ASSY installation 1 Attach the holes on Holder ASSY to the ...

Страница 5: ...PICK UP ASSY 1 Screws tapping 1 7 2 Claw 3 Main board Knob HOLD 3 Screw MI 1 4 4 Spring thrust detent 1 Washer 2 Gear SA 5 Optical pick up ASSY LCX 4E Note On installation of main board adjust the position of both switch S809 and knob HOLD ...

Страница 6: ...f a remote control unit Note that this device does not include a remote control unit Therefore since no connection terminals for a remote control are provided either a connection device must be used in order to allow a suitable remote control unit to be connected Connection Following parts are required Remote commander RM MZ2N 1 418 493 71 After RM MZE1 applicable to 2 4V Not applicable to remote ...

Страница 7: ...d press key to set the Manual mode Remote control LCD display 000 AAAS CC Test Mode Display Check Mode Manual Mode Remote control only Servo Mode Audio Mode Power Mode OP Alignment Mode key key key key x x key key or Overall Adjustment Mode x Press and hold down key Release x key Display segment check mode Main unit only 2 When the test mode display shows 100 200 300 500 600 700 800 or 900 the opt...

Страница 8: ...place of mode number increase key 100th place of mode number decrease key 10th place of mode number increase key 10th place of mode number decrease key Up key Down key When adjusted value is changed Adjusted value is written When adjusted value is not changed That item is adjusted automatically key key x key x N key N key Unit place of mode number increase key Unit place of mode number decrease N ...

Страница 9: ... key or the key for the third digits units 4 Use the and keys on the remote control unit to set the adjustment value of No 633h to 03h and press once the pause key on the remote control unit to write this value to NV If NV is cleared the value is 00h 5 Press the DISPLAY key once more to change the display to address and adjustment value display 6 Switch to the overall adjustment 4 CD overall adjus...

Страница 10: ...s the B key on the remote control unit to switch to manual mode No 323 4 Press the pause key on the remote control unit to set to the automatic adjustment During adjusting automatically the adjustment value turns on and off so wait for the time the adjustment value is on 5 Press the B key on the remote control unit to switch to manual mode No 345 6 Note down the current adjustment value of No 345 ...

Страница 11: ...orm the adjustment again The NG item and ng alternately flash on the main unit LCD display XXX NG item No YY Adjustment Value 7 If OK through the overall MO adjustments press x key to return to the TEST MODE and terminate the Overall Adjust ment mode Main unit LCD display XXX n ...

Страница 12: ...DSP 136h ABCD gain adjustment 137h KF gain adjustment 134h TWPP gain adjustment 131h TE offset adjustment TWPP RF 132h TE offset adjustment TWPP DSP 138h RF gain adjustment 141h Field of vision oscillation check 100h GRV setting servo OFF 4 7 3 Overall CD and MO adjustment items 1 Overall offset adjustment Item No Description 030h GRV setting servo off 035h Laser ON OFF Electric offset differentia...

Страница 13: ...tential input 23 AVDD1 Power supply for digital servo 24 MAD9 O Address output to DRAM NC 25 DSW1 O Disc mode select output 26 MAD8 O Address output to DRAM NC 27 DSW0 O Disc mode select output 28 MAD7 O Address output to DRAM NC 29 SGC O AGC control signal output 30 MAD6 O Address output to DRAM NC 31 AOFFSET O ABCD offset control signal output 32 MAD5 O Address output to DRAM NC 33 FOFFSET O Foc...

Страница 14: ...igital audio output 70 SMON3 O Monitor signal output 71 SMON2 O Monitor signal output 72 SMON1 O Monitor signal output 73 SMON0 O Monitor signal output 74 FSEQ O Frame sync detection signal output 75 VP O CLV servo lock decision output 76 MRASBT O Output for test 77 MRASB O RAS signal output to DRAM NC 78 FOK O Focus OK signal output 79 NWEB O WE signal output to DRAM NC 80 DEFECT O Defect signal ...

Страница 15: ... to from DRAM 96 SHOCK O SHOCK RFNG output 97 MCASB O CAS signal output to DRAM NC 98 PCK O VTEC system clock signal output 99 MOEB O OE signal output to DRAM NC 100 VCVSS Ground for VTEC I O on the test mode Pin No Pin name I O Description ...

Страница 16: ...om LC89642 8B E IC601 L Request 24 DSP_INTB I SPP servo status read out request input from LC89642 8B E IC601 L Request 25 DSP_SMON3 I Monitor signal 3 input from LC89642 8B E IC601 26 DSP_CE O Chip enable output to LC89642 8B E IC601 H Enable 27 PWR_FFCLR O Latch clear signal for start up signal to XPC18A32FCR2 IC901 output H Clear 28 PWR_SLEEP O System sleep control signal to XPC18A32FCR2 IC901 ...

Страница 17: ...O TSB serial communication data input output to from remote commander with phones 54 SIO2_CLK O Serial clock signal output to LC89642 8B E IC601 and EEPROM IC802 55 SIO3_DI I Read data input from LC89642 8B E IC601 and EEPROM IC802 56 SIO3_DO O Write data output to LC89642 8B E IC601 and EEPROM IC802 57 DSP_VP I CLV servo lock decision signal input from LC89642 8B E IC601 58 VL_VCON O PWM signal f...

Страница 18: ...BUS SCK S MON XRST PEAK BOTM EFMIN PEAK BOTTOM ABCD FE TE ADIPWO LDREF VA VD RF AMP FOCUS TRACKING ERROR AMP IC501 CN501 TRK TRK FCS FCS 33 51 49 42 41 32 24 25 52 53 38 7 19 18 16 17 20 15 12 29 31 48 45 46 49 44 UNREG 27 1 26 HI BRIDGE CONTROL HI BRIDGE CONTROL HI BRIDGE CONTROL PRE DRIVER HI BRIDGE CONTROL 3 PHASE CONTROL PRE DRIVER PRE DRIVER PRE DRIVER PRE DRIVER 40 39 37 56 55 2 3 4 5 6 FOCU...

Страница 19: ...P573 TP577 C501 TP576 1 8 1 5 10 15 20 TP506 TP908 TP907 TP909 TP917 TP901 TP920 TP910 TP924 TP953 TP912 TP571 TP572 TP570 C513 C813 50 55 56 IC551 D101 D351 C306 C301 C608 C607 FB801 BCE Q801 60 23 25 30 35 40 44 1 5 55 10 50 15 45 20 21 80 25 75 30 70 35 65 40 61 41 IC801 1 CN551 5 15 20 22 10 1 75 5 70 10 65 15 55 60 25 20 26 90 100 30 85 35 95 40 80 45 50 76 51 IC601 IC501 TP809 TP810 TP807 TP...

Страница 20: ...4 C808 C807 C101 C204 C104 C351 C610 C617 C203 C558 C561 C556 C559 R912 R813 R949 R909 C557 C908 C909 C905 C904 C919 C911 C920 C202 C952 C102 C622 C621 C304 C301 C903 C902 C901 D902 D901 1 14 5 56 10 50 15 45 20 28 29 25 30 35 40 42 41 RB553 RB552 RB551 C524 Q501 C529 B E C D201 B E C 3 2 1 3 4 1 5 1 4 5 8 IC802 IC602 IC301 IC803 IC901 TP804 TP803 TP802 TP801 TP806 TP805 CN805 TP951 1 6 7 12 13 18...

Страница 21: ...21 21 MZ E300 5 5 SCHEMATIC DIAGRAM MAIN SECTION 1 3 z Refer to page 24 for Notes z Refer to page 26 28 for IC Block Diagrams z Refer to page 25 for Waveforms IC B D ...

Страница 22: ...22 22 MZ E300 5 6 SCHEMATIC DIAGRAM MAIN SECTION 2 3 z Refer to page 24 for Notes z Refer to page 26 28 for IC Block Diagrams z Refer to page 25 for Waveforms IC B D IC B D ...

Страница 23: ...23 23 MZ E300 5 7 SCHEMATIC DIAGRAM MAIN SECTION 3 3 z Refer to page 24 for Notes z Refer to page 26 28 for IC Block Diagrams z Refer to page 25 for Waveforms IC B D ...

Страница 24: ...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 tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path F Analog J Digital Note on Printed Wiring Boards MAIN SECTION...

Страница 25: ... 1 µs DIV 4 IC501 rs FE IC601 wa FE PLAY Mode 200 mV DIV 1 µs DIV 5 IC601 y XIN 400 mV DIV 20 ns DIV 6 IC551 5 PWM IC801 eh CLV V CON PLAY Mode 1 V DIV 2 µs DIV 7 IC551 2 3 4 IC801 rf rg rh CLV U CON CLV V CON CLV W CON PLAY Mode 1 V DIV 5 ms DIV 8 IC551 1 tg th CPUO CPWO CPVO IC801 el rs rd CLV U MON CLV V MON CLV W MON 1 V DIV 5 ms DIV 1 1 Vp p 11 5 µs 2 2 Vp p 16 934MHz 2 2 Vp p 5 76 µs 9 IC551...

Страница 26: ...1 SN761057DBT 1 TE REXT Wpp LPF VREF C D D C Iy Ix Jx Jy A A C B ADIP IN FE ABCD AVCC OFC 1 OFC 2 PS LP EQ AGND RF CCSL2 VC XRST SCK SBUS VREF075 PEAK BOTM DGND OFTRK S MON TON C CIG CDN ADFG DVDD PD NI PD I PD O 43 44 TWpp PK BTM Aw CSLO VREF075 A C D C Malfa Mij AwBPF Dw DwBPF 42 38 37 36 35 34 31 30 29 28 27 26 25 24 23 39 41 40 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 A B C D I J...

Страница 27: ...38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 1 2 3 4 5 6 54 53 52 51 50 49 48 47 46 45 44 43 VM4 R14 F14 R13 F13 VG VC GND1 PWM24 F11 R11 F12 R12 VM2 PGNDW WO VMVW VO PGNDUV UO VMU GND2 CPW1 CPV1 CPU1 COM CPWO CPVO 3 PHASE CONTROL BIAS VC PRE DRIVER PRE DRIVER H BRIDGE CONTROL H BRIDGE CONTROL VC VG VC VG VC VC VC VG PRE DRIVER PRE DRIVER H BRIDGE CONTROL H BRIDGE CONTROL VC VG VC VG VC V...

Страница 28: ...6 54 53 52 51 50 49 48 47 46 45 44 43 L1 RF1 INM1 DTC1 DTC2 RF2 INM2 PWM1 PWM2 VG LG PGND2 L2 NC NC VD VC2 XRST CRST RSTREF VREF VB GND CLKSEL VAIFON FFCLR SLEEP CLK SERIAL PASS REGULATOR VA SERIAL PASS REGULATOR VD SERIAL PASS REGULATOR VIF BANDGAP REFERENCE VC XRST INT VC VC VSTB VC VB POWER SWITCH 1 VG STEP UP PRE DRIVEER VG STEP UP PRE DRIVEER PWM VG VC VG VG VC STEP UP DC DC CONVERTOR START U...

Страница 29: ...H 1 X 3380 005 1 CASE ASSY L BLUE 2 4 225 572 03 KNOB HOLD SILVER CND AEP FR EE E CH 2 4 225 572 11 KNOB HOLD BLUE 3 3 226 517 01 WINDOW LCD 4 3 226 512 01 LID BATTERY CASE SILVER CND AEP FR EE E CH 4 3 226 512 11 LID BATTERY CASE BLUE 5 X 3379 511 1 HOLDER ASSY 6 X 3380 003 1 LID ASSY S UPPER SILVER CND AEP FR EE E CH 6 X 3380 006 1 LID ASSY L UPPER BLUE 7 4 218 233 25 SCREW 1 4 MI 8 3 375 114 41...

Страница 30: ...04 01 BEARING N 61 4 222 203 01 SCREW LEAD 062 X 3379 869 1 OPTICAL PICK UP ASSY LCX 4E 63 3 222 391 01 SPRING M RACK 64 3 225 278 11 SCREW TAPPING 65 X 3379 529 1 BASE ASSY MOTOR M901 8 835 706 01 MOTOR DC SSM18A SPINDLE M902 1 763 399 11 MOTOR DC SLED INCLUDING PULLEY GEAR 51 64 65 M901 M902 54 55 56 57 59 62 63 60 58 52 53 61 The components identified by mark 0 or dotted line with mark 0 are cr...

Страница 31: ... 10uF 20 6 3V C527 1 165 176 11 CERAMIC CHIP 0 047uF 10 16V C529 1 117 920 11 TANTAL CHIP 10uF 20 6 3V C530 1 162 966 11 CERAMIC CHIP 0 0022uF 10 50V C551 1 104 912 11 TANTAL CHIP 3 3uF 20 6 3V C552 1 104 912 11 TANTAL CHIP 3 3uF 20 6 3V C553 1 135 211 11 TANTAL CHIP 6 8uF 20 6 3V C554 1 135 211 11 TANTAL CHIP 6 8uF 20 6 3V C555 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C556 1 107 826 11 CERAMIC CHIP...

Страница 32: ...ID CRYSTAL TRANSISTOR Q301 8 729 037 52 TRANSISTOR 2SD2216J QR TX SO Q501 8 729 922 10 TRANSISTOR 2SA1577 QR Q801 8 729 037 52 TRANSISTOR 2SD2216J QR TX SO RESISTOR R101 1 216 839 11 METAL CHIP 33K 5 1 16W R102 1 216 843 11 METAL CHIP 68K 5 1 16W R103 1 216 829 11 METAL CHIP 4 7K 5 1 16W R104 1 216 797 11 METAL CHIP 10 5 1 16W R106 1 216 831 11 METAL CHIP 6 8K 5 1 16W R201 1 216 839 11 METAL CHIP ...

Страница 33: ...E PLAY MODE DISPLAY 2SEC S807 1 786 033 21 SWITCH TACTILE DIGITAL MEGABASS AVLS 2SEC S808 1 786 061 21 SWITCH PUSH 1 KEY OPEN CLOSE S809 1 762 078 11 SWITCH SLIDE HOLD VIBRATOR X801 1 781 575 21 VIBRATOR CERAMIC 16 9344MHz MISCELLANEOUS 12 1 694 743 11 CONDUCTIVE BOARD CONNECTION 51 1 679 187 11 MOTOR FLEXIBLE BOARD 062 X 3379 869 1 OPTICAL PICK UP ASSY CLX 4E LCD801 1 804 162 11 DISPLAY PANEL LIQ...

Страница 34: ... version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 2 2001 12 Change of microprocessor IC801 Ver 1 3 SPM 01052 1 1 2001 03 Correction of Overall Adjustment Mode Correction of Electrical Parts List 1 0 2001 02 New MZ E300 ...

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