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Sony MZ-E900 User's Manual

1. 2 MAIN BOARD RF AMP FOCUS TRACKING ERROR AMP AUDIO BOAR 0 1 2 CN501 1 501 HEADPHONE VREF 301 1 1 a l Mie AQUT L C9 gt 5 gt 2 1 7 37 ss RF AMP po 4 i TR INB OUT B RCH T om FOCUS DD reno j EN 2 ERROR UNREG 8 KEY T Al Gn ji TRACKING 46 9 i ZY gt 82 FE VIF gt 0 VCC DATA i 3C b RENI D 8 ED TE VC O 1 1 Ley BEEP 83 REFERENCE i 4 V E 74 ADFG XHP STB Q4 SWITCHING E MUTE 68 0301 e i VC pci d VREF MON D 617 OFTRK i RMC DTCK 2 2 XRF RST NE n RM o REC KEY 18 AUDIO BOARD SW BOARD I d SSB CLK SET KEY2 14 2 2 S807 TSB MST VDD 5808 M LASER 9 S MON g HOLD m s _LDAL AUTO POWER X D801 orr oy NORM E CONTROL ORP LED 050 BRA DKY HOLD SW 627 50 S0 9 9 PD so 51 5 9 PDS1 51 EEPROM ET Z AV C801 am AVCC 00 FOCUS TRACKING COIL DRIVE B d
2. DOV xW JOU XCS NY 2 UE ONGO 2 2 1 far 22 Qa z CO 2 tu 200 gt 9 9 2 gt 5 gt lt Li fine anno x 5 dE 1 1 9 C5 Bp e a 2 Ga G Oka 3 9 C9 n C gt d rv ren As TENNE ee oe 1 1 KK Em PAUSE KEY 2 oO iz xm x E BEEP MIC SENSE I XGUM ON XTEST SCKO NC 500 NC gt 510 MCUVB80 o ADUT SEL MIFVSS3 MIFVSS1 XRST MIFVDD1 79 S MON SET 79 VB MON SET CODE2 9 4 CHG MON SET CODE Um VREF MON SET COBEO 7 SET KEY 1 GND 5 1 SET KEY 2 OPEN CLOSE Sw 79 VL MON CLK SEL 89 HI C MON NC 169 SPBL AUX PWN 2 WK BET SPOL CTL 6 REC KEY SP L AUX HALF LOCK SW VC PWM 49 RMC KEY 164 AVBB VREC PWM TUN REG PWM 43 AVSS MCUVSSO 42 VBIOSC SSB CLK i OSC I SSB BATA 69 55B DATA osco OPR LE 59 BPA LER 5105 10601 EVA 59 BAVBB CX92671GA TESTO VREFL 1C601 TEST ADUTL MIFFVSSO BIGITAL SIGNAL PROCESSOR AOUTR DIGITAL SERVO SIGNAL
3. AUDIO BOARD CN802 A 20P CN803 7 AVLS o jo AVLS SET KEY E Je SET KEY XWK1 lI o XWK 1 2804 0 01 2 TAP801 OPEN CLOSE 8816 2 2k ete OPR LED lo Z o OPR LED BOARD GNO le GND MAIN BOARD XHP STB CN801 MUTE lio VIF UNREG R IN _ OUT Lo C AGNO AGNB fo L IN o OUT 93 SW BOARD IC301 TA2ZT31FL 5802 PWR GND Bol ow cce OUT R HRADPHONE AMP BEEP AVLS NORM LIMIT coh E CN804 D 7 T P 5 C504 17 X Lon AVLS SET KEY R206 1106 D iD E 2 1 6 8k am c PIE R302 OPEN CLOSE a 6 8k 0 5 OPR G C305 0301 2 3 25C4738FL SM REFERENCE gt VOLTAGE R304 SWITCHING 4V Note All capacitors are in uF unless otherwise noted pF uuF Voltages are dc with respect to ground under no signal condi 50 WV or less are not indicated except for electrolytics tions and tantalums no mark PLAY All resistors are in Q and 4W or less unless otherwise Voltages are taken with a VOM Input impedance 10 MQ specified Voltage variations may be noted due to normal production toler mem B Line ances Power voltage is dc 1 5V and fe
4. VG gt 20 PWM2 VG 49 VG E STEP UP START UP DC DC 18 LG CONVERTOR zi 17 PGND2 16 L2 ju 5 NC D 3 04 8 MZ E900 SECTION 7 Ver 1 1 2001 01 EXPLODED VIEWS NOTE e XX X mean standardized parts so they may have some difference from the original one Color indication of Appearance Parts Example KNOB BALANCE SE eee ae The mechanical parts with no reference number in the exploded views are not supplied Hardware mark list and accessories and packing materials are given in the last of this parts list The components identified by mark or dotted line with mark A are critical for safety Replace only with part number specified Parts color Cabinet s color e Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items 7 1 MAIN SECTION i M 20 4 TA lt not supplied 4 19 Ni 24 22 Ref No Part No Description Remark Ref No Part No Description Remark 1 3 222 242 01 PANEL BOTTOM SILVER 15 X 3379 504 1 BRACKET L ASSY 1 3 222 242 11 PANEL BOTTOM BLUE 2 3 222 247 01 KNOB OPEN 16 3 049 051 01 SCREW MD STEP 3 3 222 246 01 ESCUTCHEON 17 X 3379 505 1 BRACKET R ASSY 4 A 3322 889 A SW BOARD COMPLETE 18 X 3379 506 1 BRACKET STOP ASSY 19 3 222 250 01 CAS
5. XO rims ari enr har A beers PET ins Fie sur eran Her When to replace ar recharge the battery Toucan check the batere condos woth ther ba ery EP the ne wee p rg ta piar Dm Fairy peerless a a EJ Thr hei kam poe 143507 kaia ir Peep IDEE prm uem al scd 5 Ww WI LEX 41 T n Akaia die Snry Th hae iin d GOL EL mt heure a ui iil Mrs eed ark TbeR mig Serer ST eS beter rakari assum mir Che bar Bs ed oe qnan DO Re nac Pe vam eram mer arl ihar ees ee Using on house current See Fig 1 bater caes ens ana rad ars rera Fi Connect ther A poer adapter wa im DC Z4 15V jack diee barkery caen 3 Comer ae preet asapierr be oed Bain pepr marie mark hele Fa pon IIT MZ E900 Ver 1 1 2001 01 This section is extracted
6. Lid ASSY upper Screws MI 1 4 el se 3 1 a Screws MI 1 4 Move it away from projection S22 Holder ASSY Move it away from projection Bracket stop ASSY 3 2 MECHANISM DECK Screws MD step Mechanism deck Panel bottom Claw MZ E900 Ver 1 1 2001 01 3 3 AUDIO BOARD ij Audio board 3 4 BRACKET R ASSY Screws MI 1 4 9 lt Screws MI 1 4 Panel bottom MZ E900 3 5 MAIN BOARD BRACKET L ASSY SW BOARD Note On installation of bottom panel assy adjust the position of both two switches S807 S808 and two knobs AVLS HOLD Bracket L ASSY Screw MI 1 4 Main board Remove solder Panel bottom Knob open 3 6 OPTICAL PICK UP ASSY Optical pick up ASSY Washer B Gear SA ae Screw MI 1 4 E SS E Ded Spring thrust detent MZ E900 SECTION 4 TEST MODE 4 1 GENERAL e 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 discriminates between CD and MO discs performs adjustments in sequence automatically and displays the faulty location if any fault is found In the Manual mode selected adjustments can be performed automatically e The attached remote control is used to operate the TEST MODE Unless otherwise sp
7. did Hi on fer io ard the sand Boii os pes Coed lind dose indie the player pom open imo i da cdam p den plages playback fore Har eee eee EB IEEE Be de a rin Ww peer yid blast ferred resid boring bo ner seal Der eau cun iun Fil skr pam im oo rhargeu ee Tt naL Mete Pi beni he Sus Led eer Pt plap bhr ann chen dhe re LML Monel a pte LE ees m eee plagbekk ja oy sru ks ries aude wm nn b La rang iar pene od Ham Far HH umm m Bar bare Aber peu press B kc op he amps rumes cd Li ee on the premi eed um ador ye presa MZ E900 SECTION 3 DISASSEMBLY The equipment can be removed using the following procedure Main board oe Audio board Bracket ASSY Bracket ASSY Set gt Lid ASSY Upper Mechanism deck SW board PON Optical pick up ASSY Note Follow the disassembly procedure in the numerical order given 3 1 LID ASSY UPPER HOLDER ASSY
8. 1 1 0 8 ABC 121 C503 55006 EAS 2 2 3300p of gt gt 57 E XE EQ 8 T P JY EAS 7 B gt 7 2 3 2 gt ks er m C505 0 01 8 PN 0 8 C516 0 1 6506 0 035 M 0 C507 0 033 TASEN E CREE r3 M Z PB 1 orrRk 53 E 4 AUTOMATIC POWER CONTROL PB 50 _51 SHORT TEST OPEN NORMAL TAP601 1 TEST 2 4 9 22 24 R603 150 15 is C507 1 lt cell 0 01 R605 10 C612 0 47 ROU6 100k 0000090909 0 EE C505 1 CET 4708 00900 XHP STB MUTE EMEN N 1 gt gt gt N a 2 ac a gt Z co o E wj O gt lt x gt x o d 1C801 AK6417AL gt e AD D Dp ED EP Ey FED ES ED ED EP VE FE E Ey HD ED EE HP EE PP 029 41 MI HT Dp Ip WIE d 4b HI Dp T Dp 4 4 b b Tp P 4 0 E DD C OG DAD D e
9. Assy 1 Lo oN s 4 Press DISPLAY key LCD display Lid Ofstkk CD 5 If result of electrical offset adjustment is OK the following dis play appears LCD display uJ OfstOK 5 5 OVERALL ADJUSTMENT MODE 5 5 1 Overall adjustment mode structure TEST MODE Display Check Mode VOLUME key Overall Adjustment Title Display ASSY 44 CD overall m key Adjustment gt gt key gt gt key overall Adjustment DISPLAY key Electrical offset Adjustment key Adjustment Note The overall adjustments should be always performed in the sequence of CD MO adjustments 5 5 2 Overall CD and MO adjustment method Set the TEST MODE and press key to set the Overall Ad justment mode LCD display TUL Assy 1 2 Insert CD disc in the set and press 19 key to set the Overall CD Adjustment mode Automatic adjustments are made LCD display XXX CD RUN XXX Item No for which an adjustment is being executed 3 If NG in the overall CD adjustments return to Reset NV and perform from the electrical offset adjustment again LCD display XXX NG XXX NG item No 4 If OK through the overall CD adjustments then perform overall MO adjustments LCD display XXX CD OK 5 Insert MO disc in the set and press gt key to set the Overall MO Adjustment mode Automatic adjustments are made XXX MO RUN
10. 16V 16V 6 3 4 6 3 4 6 3 10V 6 3V 16V 16V 4 6 3 6 3 6 3 4V 4V 6 3V 4 6 3 Ref No 10501 10551 16601 1801 1901 J301 L503 L551 L552 L553 L554 L901 L902 L904 L905 0501 R501 R503 R505 R515 R516 R517 R519 R521 R525 R526 R551 R601 R602 R603 R604 R605 R606 R607 R609 R612 R613 R614 R615 R617 R804 R806 R807 R808 R817 R818 R819 R827 Part No 8 759 689 67 8 759 698 62 8 752 410 47 8 759 680 85 8 759 698 61 1 793 288 61 1 469 570 21 1 410 389 31 1 410 389 31 1 414 400 41 1 414 400 41 1 419 258 21 1 419 646 21 1 414 398 11 1 414 404 41 8 729 922 10 1 218 971 11 1 218 953 11 1 208 691 11 1 208 691 11 1 208 691 11 1 208 691 11 1 218 977 11 1 242 967 81 1 218 990 11 1 218 990 11 1 218 990 11 1 218 929 11 1 218 935 11 1 218 943 11 1 218 990 11 1 218 965 11 1 218 977 11 1 218 977 11 1 218 981 11 1 218 959 11 1 218 945 11 1 218 953 11 1 202 974 11 1 218 953 11 1 218 973 11 1 218 977 11 1 218 959 11 1 218 959 11 1 218 941 11 1 218 941 11 1 218 989 11 1 218 989 11 Description IC SN761057DBT IC SC111257FCR2 IC CXD2671 201GA IC AK6417AL L IC XPC18A32FCR2 lt JACK gt JACK Q lt COIL gt INDUCTOR INDUCTOR CHIP INDUCTOR CHIP INDUCTOR INDUCTOR INDUCTOR INDUCTOR INDUCTOR INDUCTOR lt TRANSISTOR gt TRANSISTOR lt RESISTOR gt RES CHIP R
11. 2 Batteries Stereo normal 1 2 Stereo LP4 Stereo Ni MH rechargeable 20 33 37 battery NH 14WM LR6 SG Sony 42 49 58 alkaline dry battery LR6 SG Sony 76 87 100 alkaline dry battery and a Ni MH rechargeable rechargeable battery Unit Approx hours D With a fully charged battery 2 Measured in accordance with the EIAJ Electronic Industries Association of Japan standard using a Sony MDW series Mini disc When using a Sony LR6 SG STAMINA alkaline dry battery produced in Japan Note The battery life may be shorter depending on operating conditions the surrounding temperature and the battery type Dimensions Approx 77 7 x 12 7 x 71 0 mm w h d 3 x 2 gs in not including projecting parts and controls Mass Approx 58g 2 0 oz the player only Supplied accessories Headphones earphones with a remote control 1 Battery charger 1 EXCEPT Korean MODEL Rechargeable battery 1 Rechargeable battery carrying case 1 Tourist MODEL Dry battery case 1 Carrying pouch 1 EXCEPT US MODEL AC plug adaptor 1 E33 Tourist model Design and specifications are subject to change without notice PORTABLE MINIDISC PLAYER SONY MZ E900 Ver 1 1 2001 01 TABLE OF CONTENTS 1 1 SERVICING NOTE _ 2 2 GENERAL Location and Function of Controls 3 3 DISASSEMBLY 3 1 Lid ASSY Up
12. J 5 7 8 MAIN BOARD SIDE A DRY BATTERY e Semiconductor SIZE AA Location IEC DESIGNATION LR6 Location A 1PC 1 5V E7 8 1 A 2 C 2 J D 2 1 0 6 2 o ON be Slele coo AUDIO BOARD CN802 OPTICAL PICK UP BLOCK LCX 4E M901 SPINDLE MOTOR zie m m I 2 L SLED MOTOR MOTOR FLEXIBLE BOARD 1 679 187 m RECHAGEABLE BATTERY NH 14WM 1PC 1 2V 1400mAh 16 16 MZ E900 r1 1 2001 01 MZ E900 Ver 1 1 2001 01 6 4 SCHEMATIC DIAGRAM MAIN SECTION 1 2 1 2 A TRK TRK FCS B FCS AGND A TE OPTICAL 1 ib C BLOCK LB A LCX 4E a JY A B MON D wee E F G H J K L M N 0 P Q R 02 Refer to page 22 for Notes e Refer to page 22 24 for IC Block Diagrams e Refer to page 22 for Waveforms 16501 icen RF AMP FOCUS TRACKING ERROR AMP TE 1CN501 R503 C501 Q 1C501 208 R525 H TRK ix 100p SN7510578BT 142 4 0 7 m a 0 e 0 7 E MON c5 AW S MON 2 2 M ECOr 0 0 7 FE 4 5 TP5105 GND C502 0 033 1 1 0 7 0 7 7
13. SPINDLES SLED MOTOR DRIVE XN 69 XCS NV HALF LOCK Sw 09 89977 P gir 10551 OPEN CLOSE S805 5804 sans E 3801 MINIDISC DIGITAL SIGNAL PROCESSOR DIFVDDO 76 ea m OPTICAL PICK UP BLOCK DIGITAL SERVO SIGNAL PROCESSOR DIFVDD1 8 LCX 4E 79 510 EFM ACIRC ENCODER DECODER 2 gt gt i 88 00 SLD1MON SHOCK PROOF MEMORY CONTROLLER TED MIFVDD1 I 1 6 suum Ms 9 TSB SLV 610 3 HI BRIDGE 81 TFDR o 9 X601 3 45 1584MHz FCS 1 FOCUS D P ur qas ctm C CONTROL FRDR i o DRIVER MINIDISC P I MECHANISM BLOCK _ M902 CN551 SLED SLED1 98 SLDV HI BRIDGE E SRDR D902 S T l CONTROL 7 ar SLED2 3 SLDW E _ SLOW RECHAGEABLE BATTERY NH 14WM H D901 1PC 1 2V 1400mAh 03 SPCU m 05 SPCW VDI03 6 VDD RAM I BATTERY VDD RAM Wo 7 SIZE MNT3 73 IEC DESIGNATION LR6 Q8 SPD w SEI 1PC 1 5V xw 3 PHASE 89 spp v a 8 o0 6 49 3 CONTROL 87 SPD U m 88 SPDL PWM SROT 05 4 2 XRST MTR DRV E e Signal path Analog __ AAA _ E _ E Digital M901 SPINDLE O 5 SLED2 0 MZ E900 Ver 1 1 2001 01 6 2 PRINTED WIRING BOARDS MAIN SECTION 1 2 Refer to page 22 for Notes Uses unleaded solder L 868 3 J 4
14. AEP MANUAL INSTRUCTION ITALIAN PORTUGUESE AEP MANUAL INSTRUCTION FINNISH RUSSIAN AEP MANUAL INSTRUCTION TRADITIONAL CHINESE JAPANESE KOREAN E33 HK JEW MANUAL INSTRUCTION KOREAN ENGLISH KR CASE CARRYING Canadian AEP FR UK E33 HK KR JEW HEADPHONE MDR A34SP US RECEIVER EAR MDR E805SP Canadian AEP FR UK E33 HK KR JEW Dry Battery Case 501 Battery Charger e Rechargeable Battery Carrying Case 505 Headphones earphones with a remote control 502 507 Rechargeable Battery 504 Carrying Pouch Note The component name in a figure just mentions a component name in instruction manual The components identified by mark or dotted line with mark A are critical for safety Replace only with part number specified MZ E900 REVISION HISTORY 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 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 the main board Change the exploded views Change the electrical parts list Change the accessories amp packing materials
15. Contents of the history codes The first error that occurred The last error that occurred The first error from the last one The second error from the last one Total recording time is displayed for MZ E900 Simplified contents Noemor Description Access target address illegally specified An attempt to access an abnormal address Servo system error TOC error LOWBATT OFFSET ERROR Offset error FOCUS ERROR SPINDLE ERROR Spdl Abnormal rotation of disc Focus off center Instantaneous interruption detected Offset error FE ABCD OFFSET ERR ABCD FE ABCD Offset error TE ABCD OFFSET ERR TE ABCD Offset error TE OFFSET ERR XITE XI TEABCD Offset error 4 6 3 Clearing the error display code After servicing reset the error display code 1 Set the TEST MODE 2 Press the DISPLAY key on the remote control activates the self diagnosis display mode 3 To reset the error display code press M key on the remote con trol when the code is displayed except for R display All the data on the Ist N N 1 and N 2 will be reset 4 Press key on the remote control again MZ E900 4 7 Sound Skip Check Result Display Mode This set can display and check the error count occurring during play e Setting method of Sound Skip Check Result Display Mode 1 Setting the test mode 2 Press the gt gt key activates the sound skip check result display mode wh
16. HOLD SW GND XHP STB MUTE BEEP VIF UNREG R IN OUT AGNB AGND L IN R OUT 25 AUBIO BOARD CN802 MZ E900 Ver 1 1 2001 01 6 5 SCHEMATIC DIAGRAM MAIN SECTION 2 2 e Refer to page 22 for Notes e Refer page 22 24 for IC Block Diagrams e Refer page 22 for Waveforms 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 MAIN BOARD 172 2 3 4 5 6 7 8 9 101112 1514 15 161718 Y VY NA YY MAIN BOARD 2 2 J301 gt To N E FBB07 0 UI w oc RGND i B RMC_ATCK R817 100 d la BUDE R819 1 eee co Te lt MOTOR FLEXIBLE CN551 BOARD 8P D CLVN 8 ee gf rt m SPINDLE Y T gt 24 MOTOR O cow E 5 1 MON 902 im SLED2 SLE I F R901 22k C911 22 R903 C905 4V 2 2k 0 1 de C K C55 1C901 SC111257FCR2 2 507 XPC18A32FCR2 C317 RSTREF T 551 0 1 1C901 FOCUS TRACK NG
17. ON Cc lt Cc n Cc Un T 2 mM e Q 5 c E B E Z lt j e E E 5 GR z e cr S Q c un 5 UG 79 oO e Z oO lt A 3 Qc 5 CD emt z 5 et ga e 5 LCD display XXX NG e f ul Z aul Z E 5 5 3 Resume clear method Setting the testmode 2 Setthe Manual mode and set the item No 043 RESUME Clear LCD display PUL 21 Lita Resume CC 3 Press the key LCD display Lita Res After reset is completed m CD display LiH3 Res Clr MZ E900 5 5 3 Overall CD and MO adjustment items 1 Overall offset adjustment Contents GRV setting Sarvo OFF Head UP 35 0 Laser ON OFF electrical offset difference measurement Completed 2 Overall CD adjustment items VC VR power voltage High Low selection HPIT setting Sarvo OFF 62 Contents SLED move to inside SLED move to outside High reflection CD electrical offset adjustment Laser ON Focus UP VC correction ALFA offset adjustment IJ offset adjustment FE offset adjustment HPIT adjustment Focus servo ON TE offset adjustment 1 TE gain adjustment TWPP gain adjustment TE offset adjustment 1 TE offset adjustment 2 Tracking servo ON KF gain c
18. PWM CPBO 3 VM3 803 PGND3 3 VM34 R04 5 PGND4 3 F04 68 VM4 PRE DRIVER PRE DRIVER H BRIDGE H BRIDGE 07 R14 CONTROL CONTROL 06 F14 05 R13 04 F13 VG 63 VG VC Les VC 1 GND1 20 PWM24 19 F11 18 R11 VC VC H BRIDGE H BRIDGE AD F12 CONTROL CONTROL 16 R12 VC VG E VC VG VC PRE DRIVER I 48 VM2 6 03 9 4 03 02 03 04 08 5 2 8 gt Z u 2 a MZ E900 23 MZ E900 IC901 XPC18A32FCR2 NC 43 VD 44 VC2 45 XRST 46 CRST 47 VIF VA yH VAFB y 5 VDFB SERIAL PASS REGULATOR VA SERIAL PASS REGULATOR VD i SERIAL PASS REGULATOR VIF amp VIFFB 8 GND S VCO VC m VG XRST INT RSTREF 48 VREF 49 VB 50 GND 51 CLKSEL 52 VAIFON FFCLR 54 SLEEP 55 CLK 56 24 VLON XWK1 XWK2 XWK3 XWKA VC BANDGAP REFERENCE VSTB VC VB ter CONTROL VSTB VC VB VSTV VRMC GND POWER SWITCH 1 8 VCOUT VG e e ur T Ls Em L1 1 41 v 28 STEP UP STEP UP RFI INMI DTC1 VC PWM 24 0102 VC p 63 65 INM2 VG PWER SWITCH 2 E VG No PWM1 VL VLO
19. POWER SUPPLY COIL BRIVE SP INBLE SLEB H MOTOR BRIVE 558 0 033 C557 C559 0 0337 T 0 033 9 e DRY BATTERY E IEC DESIGNATION LR6 gt 1PC 1 5V A z z z J ol ol o Y TOTAL CURRENT gt PLAY 40mA gt gt gt gt FF REW 60mA gt RECHARGEABLE C999 952 IPC 1 2V 1400mAn 0 1 n K MZ E900 Ver 1 1 2001 01 6 6 PRINTED WIRING BOARDS AUDIO SECTION Uses unleaded solder 1 2 _ 4 5 6 AUDIO BOARD SIDE A AUDIO BOARD SIDE B MAIN BOARD CN801 5007 0808 HOLD 5809 NORM LIMIT OFF ON OPEN CLOSE SW BOARD SIDE B Semiconductor Location Y E 5804 5805 5801 5803 5802 VOLUME VOLUME kea e o parts extracted from the component side Through hole 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 1 1 17 9 234 Side A parts face are indicated 20 20 MZ E900 6 7 SCHEMATIC DIAGRAM AUDIO SECTION
20. PROCESSOR MIFVBBO VREFR EFM ACIRC ENCODER DECOBER MCUVB82 SHOCK PROOF MEMORY CONTROLLER 5 ATRAC ENCOBER BECOBER ae dd ASYO D A CONVERTER 14M BIT D RAM JTAGVOB ASYI SYSTEM CONTROL T80 AVBI XTRST BIAS TCK BE CSP Chip Size Package Tue AVSI 181 PCO TSB SLVO TSLO PAO TSB SLVI TSLI FILI TSB SLV 488 TSLVAD FILO BTCK CLTV TSB MST VOD TSMV PEAK DRAMVSS1 BOTM DRAMVDB1 ABC NC NC NC NC NC NC NC NC NC NC NC om NC NC SS 2 N NC a gt 6 5 gt NC cox N O O ca r e QD nn an NC ca e LU CON awn co nog bee ee 2 0 0 gt sr roaoo nnmn BL gt gt fL LL O LL 0 O OO CO CO CO CODO COO LL Ee qi nn Me B D 28 Se eS OOP 69 et CO 22 2 2 10075181779 000000001 O 1 gt gt 5 o N 2 2 2 2 5 zs OPEN ojo lgs C603 0 1 OPR LED 999 MAIN BOARB 272 E dE BE 29 U4 NS S 2 1514 15 161718 AVLS SET KEY XWK 1 OPEN CLOSE OPR
21. Remark MISCELLANEOUS KOK K K K K K K K K K K K K K SWITCH FLEXIBLE BOARD MOTOR FLEXIBLE BOARD OPTICAL PICK UP ASSY LCX 4E MOTOR DC SSM18A SPINDLE MOTOR DC SLED INCLUDING PULLY GEAR KE E KE E E E E E K E E KE E KE E E E KE KE K KE K K K K K K K K K K K K K KK K KKK KK KK 29 MZ E900 Ver 1 1 2001 01 Ref No 901 902 A503 A503 A503 A503 504 504 505 505 506 507 507 30 Part No 1 251 895 21 1 476 395 11 1 528 580 21 1 528 865 12 1 528 866 11 1 528 891 12 1 569 007 11 1 756 120 11 1 756 120 21 3 008 521 01 3 008 521 21 3 021 018 11 3 220 299 12 3 220 299 22 3 220 299 31 3 220 299 41 3 220 299 51 3 220 299 62 3 220 299 71 3 220 749 01 8 953 278 90 8 953 304 91 Description Remark ACCESSORIES amp PACKING MATERIALS KOK K K K K K E K K K K K K K K K K K K K K K K K BATTERY CASE REMOTE CONTROL UNIT BATTERY CHARGER BC 7HT E33 JEW BATTERY CHARGER BC 9HY2 BATTERY CHARGER BC 9HP2 UK HK CHARGER BATTERY BC 9HU2 US Canadian ADAPTOR CONVERSION 2P E33 JEW BATTERY NICKEL HYDROGEN JEW BATTERY NICKEL HYDROGEN US Canadian AEP FR UK E33 HK KR CASE BATTERY CHARGE US Canadian AEP FR UK E33 HK KR CASE BATTERY CHARGE JEW LABEL FRANCE FR MANUAL INSTRUCTION ENGLISH SPANISH US Canadian AEP UK E33 HK JEW MANUAL INSTRUCTION FRENCH GERMAN Canadian AEP FR JEW MANUAL INSTRUCTION DUTCH SWEDISH
22. 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 SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK A OR DOTTED LINE WITH MARK THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY Replacement of CXD2671 201GA IC601 used in this set requires a special tool 2 SECTION 1 SERVICING NOTE When repairing this device with the power on if you remove the main board this device stops working In this case you work without the device stopping by fastening the hook of the Open Close detection switch S809 Open Close detection switch S809 Mechanism deck section e UNLEADED SOLDER Boards requiring use of unleaded solder are printed with the lead free mark LF indicating the solder contains no lead Caution Some printed circuit boards may not come printed with the lead free mark due to their particular size LEAD FREE MARK Unleaded solder has the following characteristics Unleaded solder melts at a temperature about 40 C higher than ordinary solder Ordinary soldering irons can be used but the iron tip has to be applied to the solder joint for a slightly longer time Soldering irons using a t
23. 4 A or commercially available MO disc recorded Digital voltmeter 5 2 2 Adjustment sequence The adjustments should be always performed in the following sequence 1 Reset NV Clear the memory Manual mode 2 Manual power adjustments 3 Electrical offset adjustments Do not enter the disc 4 Overall CD adjustments Overall adjustment mode 5 Overall MO adjustments 6 RESUME clear 5 2 3 Power The power is supplied with 1 5 V DC from the battery case 5 3 RESET NV 5 3 1 How to reset NV 1 Set the TEST MODE 2 Set the Manual mode and set the item No 021 Reset NV LCD display Lic Res NU CC 3 Press ITI key on the remote control LCD display lic i Res OK 4 Press key on the remote control again LCD display 02 Res kx 1 REOS After reset is completed 1 Lic Reset 5 Press key to terminate the Manual mode and return to the TEST MODE 5 4 MANUAL POWER ADJUSTMENTS 5 4 1 Adjustment sequence The adjustments should be always performed in the following se quence 1 Vc PWM Duty adjustment item No 762 2 Vc PWM duty H adjustment item No 763 3 PWM Duty adjustment item No 764 5 4 2 Vc PWM Duty L adjustment method 1 Confirm that the power voltage is at 1 5 V DC 2 Set the TEST MODE 3 Set the overall adjustment mode and press PLAY MODE key item No will change to 762 LCD display toc UclPWM XX 4 Connect a digital vol
24. 57 1 127 772 81 CERAMIC CHIP 33000PF 10 107 R201 1 218 971 11 RES CHIP 33K 5 1 16W C558 1 127 772 81 CERAMIC CHIP 33000PF 10 107 R202 1 218 971 11 RES CHIP 33K 5 1 16W C559 1 127 772 81 CERAMIC CHIP 33000PF 10 107 R203 1 218 961 11 RES CHIP 4 1K 5 1 16W C561 1 107 820 11 CERAMIC CHIP 0 1uF 16V R204 1 218 929 11 RES CHIP 10 5 1 16W 27 MZ E900 Ver 1 1 2001 01 Ref No C601 C603 C604 C605 C606 C607 C610 C611 C612 C613 C615 C616 C618 C699 C802 C806 C807 C808 C810 C851 C853 C854 C901 C902 C903 C904 C905 C907 C908 C909 C910 C911 C915 C917 C918 C919 C920 C921 C952 C999 CN501 CN551 CN801 D101 D201 D855 D901 D902 D903 FB801 FB802 28 Part No 1 107 820 11 1 107 820 11 1 107 820 11 1 115 156 11 1 127 895 91 1 115 156 11 1 117 919 11 1 164 943 11 1 125 891 11 1 164 935 11 1 125 777 11 1 107 820 11 1 125 838 11 1 164 943 11 1 107 820 11 1 119 923 81 1 119 923 81 1 107 820 11 1 164 943 11 1 107 820 11 1 164 942 11 1 107 820 11 1 137 739 91 1 127 895 91 1 135 989 91 1 127 895 91 1 125 777 11 1 109 982 11 1 125 777 11 1 164 943 11 1 164 937 11 1 127 895 91 1 125 777 11 1 125 777 11 1 125 777 11 1 127 895 91 1 127 895 91 1 125 777 11 1 127 569 91 1 125 777 11 1 794 772 21 1 778 156 11 1 778 590 21 8 19 056 58 8 719 056 58 8 719 077 43 8 719 081 33 8 719 081 33 8 719 420 51 1 414 228 11 1 414 228 11 Descriptio
25. ASSIS 61 4 222 203 01 SCREW LEAD 54 3 224 779 01 SPRING THRUST DETENT A 62 X 3379 869 1 OPTICAL PICK UP ASSY LCX 4E 55 4 222 216 01 GEAR SA 63 3 222 391 01 SPRING M RACK 64 3 225 278 11 SCREW TAPPING 56 3 338 645 41 WASHER 0 8 2 5 65 X 3379 529 1 BASE ASSY MOTOR 5 4 218 233 13 SCREW 1 7 MI 58 4 218 233 01 SCREW 1 4 MI M901 8 835 706 01 MOTOR DC SSM18A SPINDLE 59 4 222 208 01 GEAR SB M902 1 763 399 11 MOTOR DC SLED INCLUDING PULLY GEAR 26 SECTION 8 ELECTRICAL PARTS LIST NOTE Due to standardization replacements in the SEMICONDUCTORS parts list may be different from the parts specified in the diagrams or the components In each case u for example UPA u PA MZ E900 Ver 1 1 2001 01 The components identified by mark or dotted line with mark A are critical used on the set c UPB LPC for safety e XX X mean standardized parts so they uPD u PD Replace only with part number specified may have some difference from the original CAPACITORS When indicating parts by reference num e RESISTORS e COILS All resistors are in ohms METAL Metal film resistor Abbreviation METAL OXIDE Metal oxide film resistor Hong Kong F nonflammable JEW Tourist tems marked are not stocked since FR French they are seldom required for routine service KR Korean Some delay should be anticipated when ordering thes
26. E BATTERY SILVER 5 3 222 248 01 KNOB AVLS SILVER 19 3 222 250 11 CASE BATTERY BLUE 5 3 222 248 11 KNOB AVLS BLUE 6 3 222 249 01 KNOB HOLD SILVER 20 A 3323 599 A MAIN BOARD COMPLETE 6 3 222 249 11 KNOB HOLD BLUE 21 3 222 243 01 SHEET INSULATING 7 1 679 235 11 SWITCH FLEXIBLE BOARD 22 A 3322 892 A AUDIO BOARD COMPLETE 23 4 963 883 21 SCREW M1 4 PRECISION PAN 8 3 222 245 01 WINDOW LED 24 3 049 041 01 TERMINAL BOARD 9 3 222 244 01 BUTTON CONTROL 10 4 218 233 05 SCREW 1 7 MI SILVER 25 X 3379 507 1 TERMINAL ASSY BATTERY 10 4 218 233 07 SCREW 1 7 MI BLUE 26 3 222 241 01 LID BATTERY CASE SILVER 11 X 3380 091 1 LID ASSY UPPER SILVER 26 3 222 241 11 LID BATTERY CASE BLUE 27 3 226 864 01 SHEET PEACH 2 11 X 3380 092 1 LID ASSY UPPER BLUE 28 3 226 855 01 SHEET BATTERY CASE 12 X 3379 511 1 HOLDER ASSY 13 3 222 373 01 TERMINAL BOARD MINUS 29 3 227 252 01 SPACER BATTERY TERMINAL 2 14 4 218 233 12 SCREW 1 4 MI 30 3 226 162 01 SHEET BOTTOM 25 MZ E900 7 2 MECHANISM DECK SECTION MT MZE900 173 The components identified by mark or dotted line with mark A are critical for safety Replace only with part number specified Ref No Part No Description Remark Ref No Part No Description Remark 51 1 679 187 11 MOTOR FLEXIBLE BOARD 60 4 222 204 01 BEARING N 52 3 222 392 01 SCREW M1 4 TAPPING 53 3 222 394 01 CH
27. ES CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP SHORT SHORT SHORT RES CHIP RES CHIP RES CHIP SHORT RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP 10uH 47 uH 47 uH 22uH 22uH 68uH 47 uH 10uH 100uH 25A1577 QR 33K 5 1K 5 2 2 0 5 2 2K 0 5 2 2K 0 5 2 2K 0 5 100K 5 1 5 0 0 0 10 5 33 5 150 5 0 10 5 100 5 100 5 220 5 3 3K 5 220 5 1K 5 3 3M 5 1K 5 47K 5 100 5 3 3K 5 3 3K 5 100 5 100 5 1 5 1 5 Remark 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W Replacement of IC601 used in this set requires a special tool Ref No R901 R903 R909 R910 R911 R920 R921 R946 R948 R950 RB551 RB552 RB553 X601 CN804 D801 R811 R812 R813 R814 Part No 1 218 969 11 1 218 957 11 1 218 965 11 1 218 965 11 1 218 990 11 1 208 707 11 1 218 979 11 1 208 715 11 1 208 939 11 1 218 953 11 1 233 959 21 1 233 973 11 1 233 967 11 1 795 002 21 A 3322 889 A 1 794 771 21 8 19 061 82 1 218 963 11 1 218 965 11 1 218 967 11 1 218 971 11 Description Remark RES CHIP 22K 5 1 16W RES CHIP 2 2K 5 1 16W RES CHIP 10
28. K 5 1 16W RES CHIP 10K 5 1 16W SHORT 0 METAL CHIP 10K 0 5 1 16W RES CHIP 150K 5 1 16W METAL CHIP 22K 0 5 1 16W METAL CHIP 150K 0 5 1 16W RES CHIP 1K 5 1 16W lt COMPOSITION CIRCUIT BLOCK gt RES NETWORK CHIP TYPE 470 RES NETWORK CHIP TYPE 100K RES NETWORK CHIP TYPE 10K lt VIBRATOR gt VIBRATOR CERAMIC 45 1584MHz 2 2K ok 2 ok ok ok OK ok GRE ok ok ok OK ok ok ok 2K ok of ok ok ok RE ok HR OK OK OK OK ok OK ok ok OK KOK OK OK OK OK OK KOK SW BOARD COMPLETE KOKK KKK K K ok ok ok K Ok K OK KKK OK lt CONNECTOR gt CONNECTOR FFC FPC ZIF 7P lt DIODE gt LED TLSU1002 TPX1 SONY OPR lt RESISTOR gt RES CHIP 6 8K 5 1 16W RES CHIP 10K 5 1 16W RES CHIP 15K 5 1 16W RES CHIP 33K 5 1 16W lt SWITCH gt 9801 9802 9803 9804 9805 9807 9808 9809 1 786 033 21 1 786 033 21 1 786 033 21 1 786 033 21 1 786 033 21 1 572 922 11 1 572 922 11 1 771 483 61 SWITCH TACTILE SWITCH TACTILE 5 1 SWITCH TACTILE 1444 SWITCH TACTILE VOLUME SWITCH TACTILE VOLUME SWITCH SLIDE AVLS SWITCH SLIDE HOLD SWITCH PUSH 1 KEY OPEN CLOSE Se KE E ee ECKE E E KE E E E E E CE HE ECKE HE CE E E K KE KE K KE K E K K K K K K K K K KK K KKK KK KK Ref No 51 62 M901 M902 Part No 1 679 235 11 1 679 187 11 3379 869 1 8 835 706 01 1 763 399 11 2 900 Ver 1 1 2001 01 Description
29. RAMIC CHIP 33000PF 10 10V C804 1 164 943 11 CERAMIC CHIP 0 01uF 10 16 C508 1 164 938 11 CERAMIC CHIP 0 0015 10 16 C509 1 164 940 11 CERAMIC CHIP 0 0033uF 10 16 CONNECTOR C510 1 164 850 11 CERAMIC CHIP 10PF 0 50PF 16V CN802 1 778 595 21 CONNECTOR BOARD TO BOARD 20P C511 1 164 850 11 CERAMIC CHIP 10PF 0 50PF 16V CN803 1 794 771 21 CONNECTOR FFC FPC 7P C513 1 164 850 11 CERAMIC CHIP 10PF 0 50PF 16V C515 1 107 820 11 CERAMIC CHIP 16V 516 1 125 777 11 CERAMIC CHIP 0 1 10 6 3 519 1 164 940 11 CERAMIC CHIP 0 0033uF 10 16 IC301 8 759 598 15 IC TA2131FL EL C524 1 117 919 11 TANTAL CHIP 10uF 20 6 3V TRANSISTOR C526 1 127 772 81 CERAMIC CHIP 33000PF 10 107 C527 1 127 772 81 CERAMIC CHIP 33000PF 10 107 Q301 8 729 037 52 TRANSISTOR 25D2216J QR TX S0 C529 1 137 762 11 TANTAL CHIP 10uF 20 AV C530 1 164 939 11 CERAMIC CHIP 0 00220 10 16 lt RESISTOR gt C551 1 125 837 91 CERAMIC CHIP 1uF 10 6 3V R101 1 218 971 11 RES CHIP 33K 5 1 16W C552 1 125 837 91 CERAMIC CHIP 1uF 10 6 3V R102 1 218 971 11 RES CHIP 33K 5 1 16W C553 1 127 578 91 TANTAL CHIP 3 3uF 20 6 3V R103 1 218 961 11 RES CHIP 4 7K 5 1 16W C554 1 127 578 91 TANTAL CHIP 3 3uF 20 6 3V R104 1 218 929 11 RES CHIP 10 5 1 16W C555 1 131 621 91 TANTAL CHIP 6 8uF 20 6 3V R105 1 218 977 11 RES CHIP 100K 5 1 16W C556 1 131 621 91 TANTAL CHIP 6 8uF 20 6 3V R106 1 218 963 11 RES CHIP 6 8K 5 1 16W C5
30. SERVICE MANUAL Ver 1 1 2001 01 US and foreign patents licensed from Dolby Laboratories Licensing Corporation System Audio playing system MiniDisc digital audio system Laser diode properties Material GaAlAs Wavelength 790 nm Emission duration continuous Laser output less than 44 6 uW This output is the value measured at a distance of 200 mm from the objective lens surface on the optical pick up block with 7 mm aperture Revolutions Approx 300 rpm to 2 700 rpm Error correction ACIRC Advanced Cross Interleave Reed Solomon Code Sampling frequency 44 kHz Coding ATRAC Adaptive TRansform Acoustic Coding ATRAC3 LP2 ATRAC3 LP4 Modulation system EFM Eight to Fourteen Modulation Number of channels 2 stereo channels monaural channel Frequency response 20 to 20 000 Hz 3 dB Wow and Flutter Below measurable limits Outputs Headphones earphones stereo mini jack maximum output level 5 mW 5 mW load impedance 16 ohms Power requirements Nickel metal hydride rechargeable battery One NH 14WM A supplied 1 2V 1 350 mAh min One LR6 size AA battery not supplied External power jack Power rating 1 5V DC 9 927 992 12 Sony Corporation 2001A0200 1 Audio Entertainment Group 2001 1 General Engineering Dept MZ E900 US Model Canadian Model AEP Model UK Model F Model Tourist Model Model Name Using Similar Mechanism MD Mechanism Type MT MZE900 173 SPECIFICATIONS Battery operation time
31. d with regulated dc power supply from battery terminal 21 21 MZ E900 Note on Printed Wiring Boards MAIN SECTION e o parts extracted from the component side cu 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 e Main boards is four layer printed board However the patterns of layer 2 and 3 have not been included in this diagrams e Replacement of IC601 used in this set requires a special tool Lead Layouts surface CSP chip size package Lead layout of conventional IC Note on Schematic Diagram MAIN SECTION All capacitors are in uF unless otherwise noted pF uuF 50 WV or less are not indicated except for electrolytics and tantalums All resistors are in and 4W or less unless otherwise specified e A internal component Note The components identified by mark A or dotted line with mark A are critical for safety Replace only with part number specified mmm 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 a VOM Input impedance 10 MQ Voltage variat
32. e items Ref No Part No Description Remark Ref No Part No Description Remark A 3322 892 A AUDIO BOARD COMPLETE R205 1 218 977 11 RES CHIP 100K 5 1 16W R206 1 218 963 11 RES CHIP 6 8K 5 1 16W R301 1 218 935 11 RES CHIP 33 5 1 16W lt CAPACITOR gt R302 1 218 963 11 RES CHIP 6 8K 5 1 16W R303 1 218 981 11 RES CHIP 220K 5 1 16W C101 1 125 837 51 CERAMIC CHIP 1uF 10 6 3V C102 1 135 868 91 TANTAL CHIP 220uF 2090 2 5V R304 1 218 965 11 RES CHIP 10K 5 1 16W C103 1 115 467 11 CERAMIC CHIP 0 22uF 10 10 R816 1 218 957 11 RES CHIP 2 2K 5 1 16W C201 1 125 837 51 CERAMIC CHIP 1uF 10 6 3V A 3323 599 A MAIN BOARD COMPLETE C202 1 135 868 91 TANTAL CHIP 220uF 2090 2 9 203 1 115 467 11 CERAMIC CHIP 0 22uF 10 10 C204 1 164 942 11 CERAMIC CHIP A 0 0068uF 10 16V CAPACITOR C301 1 117 919 11 TANTAL CHIP 10uF 2090 6 3V C302 1 107 820 11 CERAMIC CHIP 0 1 16V C501 1 164 931 11 CERAMIC CHIP 100PF 10 16 C502 1 127 772 81 CERAMIC CHIP 33000PF 10 107 C303 1 125 837 51 CERAMIC CHIP 1uF 10 6 3V C503 1 164 940 11 CERAMIC CHIP 0 0033uF 10 16 C304 1 125 926 91 TANTAL CHIP 4 7uF 20 6 3V C504 1 164 940 11 CERAMIC CHIP 0 0033uF 10 16 C305 1 125 838 11 CERAMIC CHIP 2 2uF 10 6 3V C505 1 164 943 11 CERAMIC CHIP 0 01uF 10 16 C306 1 127 895 91 TANTAL CHIP 22uF 20 AV C803 1 164 935 11 CERAMIC CHIP 470PF 10 16 C506 1 127 772 81 CERAMIC CHIP 33000PF 10 107 C507 1 127 772 81 CE
33. e operated position 1s dis played for 4 sec after the slide switch is operated If any other key is pressed during this display the LCD switches to its name display Example When 21 P gt key on the set is pressed LCD display FF Example When PPI key on the remote control is pressed LCD display L ILI E rPLAY X XX AD value of the remote control key hexadecimal 00 to FF 3 When all the keys on the set and on the remote control are con sidered as OK the following displays are shown for 2 sec The key pressed to enter the Key Check mode has been checked even if it is not pressed in this mode Example When the keys on the set are considered as OK LCD display SET OK OF es Example When the keys on the remote control are considered as OK LCD display RMC OK OX 4 When all the key have been checked or when the top panel is opened during this checking the system terminates the Key Check mode and return to the TEST MODE MZ E900 SECTION 5 ELECTRICAL ADJUSTMENTS 5 1 GENERAL In this set CD and MO discs can be automatically adjusted by set 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 5 2 NOTES FOR ADJUSTMENT 5 2 1 Jigs e CDdisc TDYS 1 part code 4 963 646 01 e MO disce PTDM 1 part code J 2501 05
34. ecified in the text the key means that on the remote control 4 2 SETTING THE TEST MODE 4 2 1 How to set the TEST MODE To set the TEST MODE two methods are available 1 Solder bridge and short TAP601 TEST the main board Then turn on the power MAIN BOARD SIDE A R607 a 8 TAP601 SHORT TEST MODE NORMAL m tal 2 Slo Sjo co e e 99 921 B e e e TAP601 OPEN Normal mode SHORT Test mode 2 In the normal mode operate the keys on the set and those on the remote control as specified below Turn on HOLD switch on the set Holding down STOP key on the set press the keys on the remote control in the following sequence gt gt 144 ed Ld 9 gt gt 144 4 2 2 Operations when the TEST MODE is set When the TEST MODE is entered the system switches to the dis play check mode within the TEST MODE From this mode the other Test modes can be accessed When the TEST MODE is set the LCD repeats a cycle of the fol lowing displays Remote control LCD 1SHUFF PGM o All off Microprocessor version display e Press and hold down 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 off the power and open the solder bridge on TAP601 on the main board Note The solder should be removed clean The
35. emperature regulator should be set to about 350 C Caution The printed pattern copper foil may peel away if the heated tip is applied for too long so be careful e Strong viscosity Unleaded solder is more viscous sticky less prone to flow than ordinary solder so use caution not to let solder bridges occur such as on IC pins etc Usable with ordinary solder It is best to use only unleaded solder but unleaded solder may also be added to ordinary solder panaris and Ferrpras ri rade pasa EF HUI creel sy ped ee ee ie coke B OENTRIDITERDEN Bs paved iz EH 15V a HC i SECTION 2 GENERAL Change dac va ppd eet bakery barian warm Irei free 1 Charge the aqua baim REI EIE rane Air 1 5 hours charging eds ard the damp the Chapa tue oS T ge perked reist charging br ner du lag chang ies cane Mee bei e u charger and battery may boo bogey bri ba Ern bs Ding che gi ix iiem proa an Bas cane nx i dee For mines abier fuc amm turre ati 2 Cii Pe bakan cod guste al bius th urgani siirry nie neam gelant ise Tou charge the baterr
36. ere the LCD displays as shown below LCD display PXKP HH Total of play system error count Total of record system error count 3 When key is pressed the total of error count is dis played on the LCD and each time the key is pressed the error count descents one by one as shown below Also when Fea key is pressed the error count ascends by one 3 3 xx ro E 3 ro AN cd m HH Adrsxx LiLiLi BEmpxx Hu HHHHHH ro 0 Total of play system error and record system error count Sound skip check items counter hexadecimal THHHHE 6 digit address hexadecimal where a sound skipped Error code Cause oFeror Description of ero Playback Cannot access the address Buffer becomes empty 4 Quit the sound skip check result display mode and press the key to return to the test mode display check mode 10 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 Key Check mode 1 Set the TEST MODE Press and hold down DISPLAY key for more than 3 sec to set the Key Check mode LCD display LILIL OF 2 When each key on the set and on remote control is pressed its name is displayed on the LCD Th
37. from instruction manual To connect the headphones earphones See Fig 11 1 Cee ibo lead phones carp bonas ir iha reme murra Lprraci the nenoir control be sack of the KAD aa rhe rere condire aad rhe tn Verein fee sarei in Par darem EMD playing Playing an Direction Slide EFI 4E QE bere de ME er He ose dr nr ther lid denen te chem Pig AES Play the Fs Den Tum fe omitted ke aede lil Be Bede ca pote cea pate he i de a pei Be using fhe ere cones a Hert beep E Pollard ber VCH the pete oed for POL LE n fw plami do adase due volum Thr appui imu eo e ead son io check ther shee T Ed A O Fare Press ll ci the piae rad Cad dau Duel Pie lll iua thee cond nod dean Pape I Tum the contre Baiil am the fee creed rac rete He dut beri Fress bull on player cris Ls me Es Tum fx coriro needs MR on the ie gees ih reie conte onto Fress Sill on phar repeatedly Licker Gri che T prp Har ope bral ira jp HH r jar bey Lig o areri combred Tira short bee T fmi oe Gr backwards the nbi while pluring lbr
38. ions may be noted due to normal produc tion tolerances e Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms e Signal path Analog E Digital Replacement of IC601 used in this set requires a special tool The voltage and waveform of CSP chip size package cannot be measured because its lead layout is different form that of conventional IC e WAVEFORMS Approx 12 mVp p IC501 TE VOLT DIV 5 mV AC TIME DIV 1 usec AN AAA IC501 RF VOLT DIV 0 5 V AC TIME DIV 0 5 usec IC501 FE VOLT DIV 5 mV AC TIME DIV 1 usec 22 e IC BLOCK DIAGRAMS IC301 TA2131FL EL 22 SN761057DBT A B C D l J TON CSL Aw Dw TON Peak S MONITOR TON Botm ADIP TE TEMP TWpp PK BTM Aw CSLO VREF075 551 SC111257FCR2 7s CPAIP CPBIP amp CPBIM CPAO VC VG PGNDW 43 WO 44 VMVW 45 p cc vod PGNDUV 47 P z 00 48 3 VMU 49 P GND2 60 CPW1 51 p CPV1 62 E CPU1 53 gt COM 64 CPWO 55 CPVO 56 CPUO 3 PHASE CONTROL 5
39. item and unit place is a minor item Change Major Item gt gt gt key key Change Middle Item m key key 100th place of mode number increase key 100th place of mode number decrease key 10th place of mode number increase 10th place of mode number decrease gt gt pm key Change Minor increase Item lt 4 key Unit place of mode number decrease key Up key Down Change Adjustment Value Write Adjustment Value key When adjusted value is changed Adjusted value is written When adjusted value is not changed That item is adjusted automatically gt gt m key Unit place of mode number 4 During each test mode the display is changed from one to another each time DISPLAY key is pressed Address amp Adjusted Value Display LCD display 11C688501 mode number adjusted value Jitter Value amp Adjusted Value Display LCD display ii OFFJO1 jitter value adjusted value mode number e Block Error Value amp Adjusted Value Display LCD display 083801 block error value adjusted value mode number ADIP Error Value amp Adjusted Value Display LCD display ui 11059001 ADIP error value adjusted value mode number Item Title Display LCD display it iLrefPw 01 item title adjusted value mode number Note In the Power mode the item title displa
40. n CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP TANTAL CHIP CERAMIC CHIP TANTAL CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP TANTALUM TANTAL CHIP TANTAL CHIP TANTAL CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP TANTAL CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP TANTAL CHIP TANTAL CHIP CERAMIC CHIP TANTAL CHIP CERAMIC CHIP lt CONNECTOR gt CONNECTOR FPC ZIF 20P 0 1uF 0 1uF 0 1uF 1uF 22UF 1uF 10uF 0 01uF 0 47uF 470PF 0 1uF 0 1uF 2 2UF 0 01uF 0 1uF 0 047uF 0 047uF 0 1uF 0 01uF 0 1uF 0 0068uF 0 1uF 22UF 22UF 47UF 22UF 0 1uF 1uF 0 1uF 0 01uF 0 001uF 22UF 0 1uF 0 1UF 0 1UF 22UF 22UF 0 1UF 100uF 0 1uF 20 20 10 10 10 10 10 10 10 10 10 10 20 20 20 20 10 10 10 10 10 20 10 10 10 20 20 10 20 10 CONNECTOR FFC FPC ZIF 8P CONNECTOR BOARD TO BOARD 20P lt DIODE gt DIODE DIODE DIODE DIODE DIODE DIODE MAZS027008S0 MAZS027008S0 MAZZ068H01S0 MA2YD1500LS0 MA2YD1500LS0 MA729 FERRITE BEAD gt INDUCTOR INDUCTOR 16V 16V 16V 10V 4 10V 6 3 16 10V 16V 6 3 16 6 3 16 16 10V 10V 16V 16V 16V
41. orrection HF gain adjustment CD focus gain adjustment CD tracking gain adjustment CD two axis sensitivity adjustment inside CD two axis sensitivity adjustment outside CD focus bias adjustment 312 320 324 321 328 324 332 330 336 337 338 344 345 521 522 341 300 HPIT setting servo OFF 820 84 _ sno 328 3542 32 330 _ 836 ABCD gain adjustment 37 358 34 95 _ 521 _ 522 Lor 90 _ completed 3 Overall MO adjustment items tem No 7 61 VC VR power voltage High Low selection 100 G RV setting Low reflect MO offset adjustment 112 Laser ON Focus UP EVC correction ALFA offset adjustment HPIT adjustmet 13 MZ E900 Contents 230 Tracking servo ON ABCD gain adjustment KF gain adjustment RF gain adjustment 244 FCS gain adjustment TRK gain adjustment READ GRV adjustment 1 R GRV setting SLED move to outside Focus servo OFF TON offset adjustment TE gain adjustment TON offset adjustment TEIN offset adjustment TWPP offset adjustment Tracking servo ON TWPP offset adjustment ABCD gain adjustment KF gain adjustment ADIP BPF fo adjustment FCS gain adjustment TRK gain adjustment TWPP gain adjustment TWPP offset adjustment 1 TWPP offset adjustment 2 TWPP OP offset adjustment RF gain adjustment GRV setting Servo OFF 14 MZ E900 SECTION 6 DIAGRAMS 6 1 BLOCK DIAGRAMS
42. per Holder ASSY 4 3 2 Mechanism Deck 4 3 3 Audio BOSE son 5 3 4 Bracket L ASSY Bracket ASSY 3 3 5 Main Board Bracket L ASSY SW Board 6 3 6 Optical Pick up ASSY 6 TESIT MODE 0 7 5 ELECTRICAL ADJUSTMENTS 11 6 DIAGRAMS 6 1 Block Diagram et 15 6 2 Printed Wiring Boards Main Section 1 2 16 6 3 Printed Wiring Boards Main Section 2 2 17 6 4 Schematic Diagram Main Section 1 2 18 6 5 Schematic Diagram Main Section 2 2 19 6 6 Printed Wiring Boards Audio Section 20 6 7 Schematic Diagram Audio Section 21 7 EXPLODED VIEWS 7 1 Front Section i i eie eee roter tone reo nane Dra 25 7 2 Mechanism Deck Section 26 8 ELECTRICAL PARTS LIST 27 CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure Flexible Circuit Board Repairing Keep the temperature of the soldering iron around 270 C during repairing Do not touch the soldering iron on the same conductor of the circuit board within 3 times Becareful not to apply force on the conductor when
43. remaining solder may make a short with the chassis and other part When method 2 was used Turn off the power Note If electrical adjustment see page 11 has not been finished completely always start in the test mode The set cannot start in normal mode 4 3 TEST MODE STRUCTURE Test Mode Display Check Mode OP Alignment Mode lt lt or key Overall Adjustment Mode m key DISPLAY key Self diagnostic Display Mode gt pir key m key Sound Skip Check Result Display Mode DISPLAY key Press and hold down about 3 sec Key Check Mode key Terminate key checking or open the top panel MZ E900 4 4 MANUAL MODE 4 4 1 Outline of the function The Manual mode is designed to perform adjustments and operational checks on the set s operation according to each individual function Usually no adjustments are made in this mode However the Manual mode is used to clear the memory before performing automatic adjustments in the Overall Adjustment mode 4 4 2 How to set the Manual mode 1 Set the TEST MODE and press to set the Manual mode Remote control LCD display Manual 2 During each test press and hold down gt key or II 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
44. tmeter to TP901 VC on the main board and adjust key voltage up and key voltage down on the remote control Adjustment value 2 36V Standard value 2 35 to 2 365V MAIN BOARD SIDE A digital voltmeter TP901 VC E 7 5 Press HE key to write the adjustment value Item No will change to 763 11 MZ E900 5 4 3 Vc PWM Duty H adjustment method 1 Set the Manual mode and set the item No to 763 LCD display iba UchPUM XX 2 Connect a digital voltmeter to TP901 VC on the main board and adjust key and key on the remote control Adjustment value 2 75V Standard value 2 735 to 2 765 V MAIN BOARD SIDE A 903 2825 WX C e e e e 3 Press M key to write the adjustment value 5 4 4 VI PWM Duty adjustment method Set the Manual mode and set the item No to 764 LCD display ib UIPUM XX 2 Connect a digital voltmeter to TP917 VL on the main board and adjust key and key on the remote control Adjustment value 2 23V Standard value 2 22 to 2 235V digital voltmeter MAIN BOARD SIDE A BH VL z es 3 Press key to write the gt Be value LCD display ADJ OK 12 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
45. y is only displayed 5 To terminate the Manual mode and return to the TEST MODE press key 4 5 OVERALL ADJUSTMENT MODE 4 5 1 Outline of the function This mode is designed to adjust the servo system automatically by going through all the adjustment items Usually this mode is used to perform automatic adjustments when servicing the set For further information refer to section 5 ELECTRICAL ADJUST MENTS See page 11 4 6 SELF DIAGNOSTIC DISPLAY MODE 4 6 1 Outline of the function The Self diagnostic system is used in this set If an error occurs during playback this system detects the fault through the microprocessor s mechanism and power control blocks and stores the cause in EEPROM in a history format This history which can be viewed in the TEST MODE provides the means of locating the fault in troubleshooting 4 6 2 Self diagnostic mode 1 Set the TEST MODE 2 With all the LCD display segments blinking on the set press DISPLAY key and the Self diagnostic mode is entered Simplified contents History code Error display code 3 Hereinafter each time PP key is pressed the reference information display changes as follows 1 HHH N LXX Ni OXX e Press 199 key to go back to the previous display Description of the error display codes Contents of fault No error Display code No error Meaning of code MZ E900

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