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Sony MZ-E900 manual

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Table of contents for the manual

  • Page 1

    V er 1.1 2001.01 MZ-E900 SERVICE MANUAL POR T ABLE MINIDISC PLA YER SPECIFICA TIONS US Model Canadian Model AEP Model UK Model E Model T our ist Model Model Name Using Similar Mechanism NEW MD Mechanism T ype MT -MZE900-173 Optical Pick-up Mechanism T ype LCX-4E US and f oreign patents licensed from Dolby Laboratories Licensing Cor poration System [...]

  • Page 2

    2 MZ-E900 Specifications ........................................................................... 1 1. SER VICING NOTE ...................................................... 2 2. GENERAL Location and Function of Controls .................................... 3 3. DISASSEMBL Y 3-1. “Lid ASSY , Upper”, Holder ASSY ............................ 4[...]

  • Page 3

    3 MZ-E900 SECTION 2 GENERAL This section is extr acted from instruction manual. Ver 1.1 2001.01[...]

  • Page 4

    4 MZ-E900 SECTION 3 DISASSEMBL Y Note : Follow the disassembly procedure in the numerical order given. 3-1. “LID ASSY , UPPER”, HOLDER ASSY 3-2. MECHANISM DECK r The equipment can be removed using the following procedure. Optical pick-up ASSY Set “Lid ASSY , Upper”, Holder ASSY Mechanism deck Audio board Main board, Bracket (L) ASSY , SW bo[...]

  • Page 5

    5 MZ-E900 3-3. A UDIO BOARD 3-4. BRA CKET (R) ASSY Panel, bottom 2 CN801 1 Switch flexible board Audio board 1 Screws (MI 1.4 ) 2 Screws (MI 1.4) 3 Bracket (R) ASSY Panel, bottom Ver 1.1 2001.01[...]

  • Page 6

    6 MZ-E900 Panel, bottom Main board 6 Remove solder 2 Lid, battery case 1 Claw 5 3 7 8 Bracket (L) ASSY Knob (AVLS) SW board Knob (HOLD) Knob (open) 4 Screw (MI 1.4) 3 Screw (MI 1.4) 4 Spring, thrust deten t 1 Washer 2 Gear (SA) 5 Optical pick-up ASSY (LCX-4E) 3-5. MAIN BO ARD, BRACKET (L) ASSY , SW BO ARD 3-6. OPTICAL PICK-UP ASSY Note : On install[...]

  • Page 7

    7 MZ-E900 Remote control LCD • Press and hold down X to hold the current display while the key is being pressed. 4-2-3. How to release the TEST MODE When method 1 was used: Turn of f the power and open the solder bridge on T AP601 on the main board. Note: The solder should be removed clean. The remaining solder may make a short with the chassis a[...]

  • Page 8

    8 MZ-E900 2. During each test, press and hold down > N key or . key for a while to move the optical pickup on the sled outer or inner perimeter . 3. Each test item is assigned with a three-digit item number . The 100th place is a major item, 10th place is a middle item, and unit place is a minor item. Note: In the Power mode, the item title disp[...]

  • Page 9

    9 MZ-E900 4-6-2. Self-diagnostic mode 1. Set the TEST MODE. 2. With all the LCD display segments blinking on the set, press DISPLA Y key and the Self-diagnostic mode is entered. 3. Hereinafter , each time > N key is pressed, the reference information display changes as follows: • Press . key to go back to the previous display . • Contents of[...]

  • Page 10

    10 MZ-E900 4-8. KEY CHECK MODE 4-8-1. Outline of the function This mode is used to check to make sure that each of the keys (including the slide switch) on the set operates normally . 4-8-2. Setting the Ke y Check mode 1. Set the TEST MODE. Press and hold down DISPLA Y key (for more than 3 sec) to set the Key Check mode. LCD display 2. When each ke[...]

  • Page 11

    11 MZ-E900 5-4. MANU AL POWER ADJUSTMENTS 5-4-1. Adjustment sequence The adjustments should be always performed in the following se- quence: 1 Vc PWM Duty (L) adjustment (item No.:762) r 2 Vc PWM duty (H) adjustment (item No.:763) r 3 Vl PWM Duty adjustment (item No.:764) 5-4-2. Vc PWM Duty (L) adjustment method 1. Confirm that the power voltage is[...]

  • Page 12

    12 MZ-E900 5-4-5.Electrical offset adjustment method Note: Doing adjustment by the state that a disc does not enter . 1. Confirm the power voltage is 1.5V . 2. Set to the test mode. 3. Press the – key activates the overall adjustment mode. LCD display 4. Press the DISPLA Y key . LCD display 5. If result of electrical offset adjustment is OK,the f[...]

  • Page 13

    13 MZ-E900 3. If NG in the overall CD adjustments, return to Reset NV and perform from the electrical offset adjustment again. LCD display XXX: NG item No. 4. If OK through the overall CD adjustments, then perform overall MO adjustments. LCD display 5. Insert MO disc in the set, and press > N key to set the Overall MO Adjustment mode. Automatic [...]

  • Page 14

    14 MZ-E900 Item No . Contents 230 T racking servo ON 236 ABCD gain adjustment 237 KF gain adjustment 238 RF gain adjustment 244 FCS gain adjustment 245 TRK gain adjustment READ GR V adjustment 1 100 R GR V setting 562 SLED mov e to outside 120 F ocus ser vo OFF 122 T ON offset adjustment 121 TE gain adjustment 122 T ON offset adjustment 123 TEIN of[...]

  • Page 15

    15 15 MZ-E900 SI0 SCK0 S00 XCS NV 217 12 160 161 9 3 194 195 221 XRF RST PDS1 XCS NV SI0 SCK0 S00 XTEST PD S0 S MON SSB CLK SSB DATA VREF MON OFTRK MUTE XHP STB BEEP 142 RMC DTCK 159 ORP LED 224 XAVLS 13 SET KEY 1 17 WK DET 227 HOLD SW 20 RMC KEY VC PWM 164 165 VL PWM 86 FS4 235 SLEEP 236 FFCLR 8 XRST 21 AVDD 5 2 CLK INM2 INM1 RF2 RF1 VRMC XWK3 VST[...]

  • Page 16

    16 16 MZ-E900 6-2. PRINTED WIRING BO ARDS – MAIN SECTION (1/2) – 2 3 4 5 6 7 8 A 1 B C D E F C505 C506 C519 C507 C530 C503 C502 R551 R503 C854 C853 C603 C604 C526 C613 C605 C810 C802 C616 C607 C699 C612 C611 C515 C513 C511 C510 C508 C527 C910 R910 R807 R827 R604 R615 R603 R606 R605 R614 R612 R911 R607 R601 R602 R804 R501 R519 C999 R521 R516 R50[...]

  • Page 17

    17 17 MZ-E900 6-3. PRINTED WIRING BO ARDS – MAIN SECTION (2/2) – 2 3 4 5 6 7 A 1 B C D E F MAIN BOARD (SIDE B) 12 (12) 1-679-232- TP611 TP612 TP558 TP606 TP552 TP562 TP563 TP556 TP557 TP566 TP609 TP564 TP610 TP608 TP607 TP551 TP104 TP204 TP810 TP811 TP812 TP813 TP302 TP203 TP103 TP570 TP572 TP573 TP571 TP533 TP561 TP560 TP952 TP559 TP525 TP526 [...]

  • Page 18

    18 18 MZ-E900 6-4. SCHEMA TIC DIA GRAM – MAIN SECTION (1/2) – IC B/D z Refer to page 22 f or Notes. z Refer to page 22 – 24 f or IC Block Diagrams. z Ref er to page 22 for Wavef orms. Ver 1.1 2001.01[...]

  • Page 19

    19 19 MZ-E900 6-5. SCHEMA TIC DIA GRAM – MAIN SECTION (2/2) – IC B/D IC B/D z Refer to pa g e 22 for Notes. z Ref er to page 22 – 24 for IC Block Dia grams. z Refer to page 22 for Wavef orms. Ver 1.1 2001.01[...]

  • Page 20

    20 20 MZ-E900 6-6. PRINTED WIRING BO ARDS – A UDIO SECTION – 2 3 4 5 6 7 A 1 B C D E C204 R203 R204 R303 R302 R106 R104 R206 R816 R103 R101 R105 R102 R304 R202 R205 R201 R301 C303 C302 C104 C803 C804 C201 C101 Q301 BCE AUDIO BOARD (SIDE B) AUDIO BOARD (SIDE A) 11 (11) 1-679-233- 11 (11) 1-679-233- C301 C102 C202 C304 C306 C305 C103 C203 TAP801 [...]

  • Page 21

    21 21 MZ-E900 6-7. SCHEMA TIC DIA GRAM – A UDIO SECTION – IC B/D Note: • All capacitors are in µ F unless otherwise noted. pF: µµ F 50 WV or less are not indicated except f or electrolytics and tantalums. • All resistors are in Ω and 1 / 4 W or less unless otherwise specified. • : B+ Line. • P ower v oltage is dc 1.5V and fed with [...]

  • Page 22

    22 22 MZ-E900 r W A VEFORMS 1 IC501 1 TE 2 3 IC501 ed (RF) IC501 rs (FE) Approx. 12 mVp-p Approx. 1.2 Vp- p Approx. 10 mVp-p Note on Schematic Dia gram: MAIN SECTION • All capacitors are in µ F unless otherwise noted. pF: µµ F 50 WV or less are not indicated except f or electrolytics and tantalums. • All resistors are in Ω and 1 / 4 W or l[...]

  • Page 23

    23 MZ-E900 IC551 SC111257FCR2 56 55 42 41 40 CPUO W1 V1 U1 PWM OE 7 VM1 RO1 8 FO1 9 10 VM12 PGND1 11 RO2 12 PGND2 13 FO2 CPAIP CPAIM CPBIP CPBIM CPAO CPB0 VM3 RO3 FO3 VM34 PGND3 RO4 PGND4 FO4 14 15 16 17 18 19 20 39 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 P[...]

  • Page 24

    24 MZ-E900 IC901 XPC18A32FCR2 56 55 42 41 40 VLON XWK1 XWK2 XWK3 XWK4 VSTV 7 VRMC GND 8 VL VLO 9 10 VL 11 L2 12 PGND2 13 PGND2 VIF VA VAFB VDFB VIFFB GND VC VCO VCOUT L1 VC NC PGND1 PGND1 14 15 16 17 18 19 20 39 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 L1 RF1 INM1 DTC1 DTC2 RF2 INM2 PWM1 [...]

  • Page 25

    25 MZ-E900 SECTION 7 EXPLODED VIEWS NO TE : • -XX, -X mean standardized parts, so they may have some difference from the original one. • Color indication of Appearance Parts Example : KNOB, BALANCE (WHITE) ••• (RED) ↑↑ Parts color Cabinet's color • Items marked “ * ”are not stocked since they are seldom required for routine[...]

  • Page 26

    26 MZ-E900 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 51 1-679-187-11 MOTOR FLEXIBLE BOARD 52 3-222-392-01 SCREW (M1.4), T APPING 53 3-222-394-01 CHASSIS 54 3-224-779-01 SPRING, THRUST DETENT 55 4-222-216-01 GEAR (SA) 56 3-338-645-41 WASHER (0.8-2.5) 57 4-218-233-13 SCREW (1.7), MI 58 4-218-233-01 SCREW (1.4), MI 59 4[...]

  • Page 27

    27 MZ-E900 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[...]

  • Page 28

    28 MZ-E900 C601 1-107-820-11 CERAMIC CHIP 0.1uF 16V C603 1-107-820-11 CERAMIC CHIP 0.1uF 16V C604 1-107-820-11 CERAMIC CHIP 0.1uF 16V C605 1-115-156-11 CERAMIC CHIP 1uF 10V C606 1-127-895-91 T ANT AL. CHIP 22uF 20% 4V C607 1-115-156-11 CERAMIC CHIP 1uF 10V C610 1-117-919-11 T ANT AL. CHIP 10uF 20% 6.3V C611 1-164-943-11 CERAMIC CHIP 0.01uF 10% 16V [...]

  • Page 29

    29 MZ-E900 R901 1-218-969-11 RES-CHIP 22K 5% 1/16W R903 1-218-957-11 RES-CHIP 2.2K 5% 1/16W R909 1-218-965-11 RES-CHIP 10K 5% 1/16W R910 1-218-965-11 RES-CHIP 10K 5% 1/16W R911 1-218-990-11 SHORT 0 R920 1-208-707-11 MET AL CHIP 10K 0.5% 1/16W R921 1-218-979-11 RES-CHIP 150K 5% 1/16W R946 1-208-715-11 MET AL CHIP 22K 0.5% 1/16W R948 1-208-939-11 MET[...]

  • Page 30

    30 MZ-E900 • Dr y Batter y Case • Headphones/earphones with a remote control • Battery Charger • Rechargeable Battery • Rechargeable Battery Carrying Case • Carr ying Pouch 501 503 505 507 504 506 502 Note : The component name in a figure just mentions a component name in instruction manual. The components identified by mark 0 or dotted[...]

  • Page 31

    REVISION HIST OR Y Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. V er . Date Description of Revision 1.1 2001.01 US, Canadian, AEP and UK model has been added. Correct the General section. Lead free mark note added. Change t[...]