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Sony MDS-SD1 User's Manual

1. IC601 OPTIN1 CS BS N D D A CONVERTER IC201 J101 L n DIGITAL OPTICAL LINE AMP R CH R DIN1 OPT OUT 16101 DOUT 1 16503 5 MUTE 5 gt L u 0101 our ADDT R CH O R BOK 8 LRCK DADT gt gt IC601 IC601 B RIPPLE eg ij CONTROL I X601 22 5792MHz 512FS EXTENDER 11 6V IC774 SYSTEM CONTROL 701 771 SYS3 3V BUSY J772 SCTX 72 SCT L3CLK 4 0172 XINT 73 L3DATA 0173 SWITCH SQSY 07 SQSY L3MODE 0771 DQSY 75 DQSY MUTE SYSTEM MNT3 79 MNT3 S LOCK WMOUT CONTROL MNT2 80 MNT2 X BUSY MNT1 81 MNT1 SHOCK DJ 4 MNTO 82 MNTO F OK WMCLK 4 C SENS r8 SENS To TC SDA SRDT 86 SRDT SCLK 37 WMINV 45 SWDT 85 SWDT WMSYNC 19 XLATCH 66 XLAT WMIN 00 LIMIT IN 63 LIMIT IN 13 J AS REFLECT 58 REFLECT XIN 15 2 BD SECTION PROTECT 59 PROTECT S Pa e 34 CHACKIN 51 0 PACK OUT 63 5 PLAY P 60 A REC P 74 1 LD ON 67 LDON 5991 CLOSE ON LOW WRPWR 67 WR PWR SENSOR 689 OPEN OFF HIGH T801 M LOADIN W 861 10861 SWE LOAD IN ps LD IN LED SWITCH
2. ai Gi a ee e Ee d gh d uw PANEL BOARD TOC EDIT TRACK SHUFFLE PROGRAM REPEAT1 LEVEL SYNC A IN D IN12 OVER DISC EHHEE BEEBE BEBEBE RSR SS BEEBE BHSHEHEEH EHEHEE BEBEBE BEEBE BEBEBE BEBEBE BEBEBE BEEBE BEBEE BEEBEE REL El El El RS SSES EFH EH EE E EH FH HH EJ RS FH A EH EH EH ER HH EH EH FH HER HH EH FH HH EH EH EH EF EH E EH EH EF EH EH FEI HH HE BHBHEBH BEBEBE BEBBE BEEBE BEBEE BEEBEE BEBEE EBEBEB BEBEBE BEBEBE RES RSR BEBEBE EH EH EE EH EH EH HH EH E EH EH EH EJ HH EH FH HH EH EH EH EF EH E EH EH EF EH FL901 FLUORESCENT INDICATOR TUBE C 901 FL BRIVER R905 R904 R903 R902 8901 lt XREC gt k k 4 7 2 2 XSYNCRO O O O O O do k j d d 8906 5905 5904 5903 5902 5901 PPI MENU CLEAR NO YES F R910 R909 R908 R907 R906 3
3. B 1421 her Le MITSUMI WMLINKIS EJo 2 gt EH EN 1 771 11 772 rd 9 EES PHOTO IC W R778 10 9 R774 C421 10771 b RE tk 144 46 04 mam dr R771 R775 085151 4 i C 4 4 m 100 330 C775 R421 R471 A 100 JW254 16 16 ca 0 N C777 878 R782 2200 6 3V R783 BF ee 106 JW251 45V SW gt B 0 C774 PM s 2 6 P828715T8 oon BTC144EKA T14 SWITCH I Q774 D al 0772 25 1022 1 516 775 4 258601 5 BUFFER M 50V AA AT 0472 8787 07 Na 1772 sov z 10 100 TLP550 0 2 coy Ge N C771 CH T a s C774 5 0 0047 G 2 11 EXTENDER 0782 25K1828TE85L 0781 782 BUFFER CN771 C432 1 25MM FFC 13 CONNECTOR BOARD C t __ 955522495055 lt gt X 2 ul gt C lm Jeck o O F lt 5 O O O gt gt 5515 mI A O gt gt 5 x N C LI X m In em CD 55 Page 46 56 MDS SD1 6 12 PRINTED WIRING BOARD CONNECTOR SECTION e See page 32 for Circuit Boards Location CONNECTOR BORAS Semiconductor Location CHASSIS E Page 49 91 s 58 MDS SD1 6 13 SCHEMATIC DIAGRAM BD SWITCH SECTION M103 LOABING MOTOR Q O Q O 8601 8602 5604 REC PACK PB 09 POSI
4. JOGI Fi lt a gt lt 1 lt 2 lt 3 lt 4 lt 5 lt 6 lt 7 gt lt 8 gt lt 15 gt lt 16 gt lt 17 gt lt 13 gt lt 14 gt lt 12 1 Page 47 45 L3BUS gt L501 4 7uH 00 VCC DUT eee gt GNA OPT OUT 0 2 2 lt lt lt 29 gt lt 30 gt BIGITAL OPTICAL 1 2 CS BS IN2 MDS SD1 MDS SD1 6 7 SCHEMATIC DIAGRAM MAIN 2 2 SECTION e page 38 for Waveforms e page 62 for IC Block Diagrams 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 Page 45 2 Page 45 3 Page 46 TR801 POWER TRANSFORMER T x REPLACEABLE gt BUILT IN TRANSFORMER 0101 JALCO 4P EP801 9446 314 CE CHASSIS OUT MB L C801 MB 2200p CN801 CN802 09 AMP 2P YEL JST 2 WHT o 9 AUD Qa AAA A A A AN ANS AN AN AN AN AAA A A A A A A 222 350858 S 5 2 lt 922545 BEE lt R sy pe ENS oA db _ NN NW WW EEN Y EM Um E MAIN BOARD 2 2 1 Be 25 1235
5. HEABBOWN SR8T LIMITIN WRPWR SWBT MNT3 MNTO SBA SCL SCTX lt LBIND LA LOW lt LOAB IN gt lt LOAB OUT gt R722 0 LBON AW REFRECT PROTECT PLAY P 701 CON 10701 LIMITIN M30610MC A01FP PANEL SW HEABSWUP MNT1 MNTO SCL 81 87 88 SBA 3 3 BACK UP gt TP701 RESET SW L3DATA wro ss sa s MNT1 KEYI 0 FB221 R201 220 gt m ABBL R202 220 FB222 WA 5 BART R205 220 BCK LB LOW lt LOAB IN gt lt LOAB OUT gt BACK UP L3MOBE lt 5Y53 3V gt BATAIN 2 RTS1 NO RxDI CONNECT 1C702 EXCLUSIVE OR CN707 1 25MM FFC 11 BUSY 136 0 r 7 4 WMIN REMOTE 5V UNSW 5V SW R204 100 5 gt LRCK FBG08 8908 DW lt lt R505 220 FB505 lt BIN0 gt AM JW127 0 UNSW Page J9 56 2 e E A R gt gt gt gt lt B 0UT gt KE W FB607 R607 100 R621 04H AW BINI gt 512 8
6. button The display becomes Ref is an arbitrary number and the numbers which can be changed will blink Input the IOP value written on the optical pick up To select the number Rotate the EM knob To select the digit Press the button When the ENTER YES button is pressed the display becomes Measu is an arbitrary number As the adjustment results are recorded for the step 6 value Leave it as it is and press the button Complete will be displayed momentarily The value will be recorded in the non volatile memory and the display will become Top Write 10 Press the button to complete Standby will be displayed Display Precedure 1 While pressing the ENTER YES button and D button connect the power plug to the outlet and release the ENTER YES button and button TEMP CHECK will be displayed Press the MENU NO button to display Check Rotate the knob to display Service and press the ENTER YES button Rotate the knob to display lop Read is displayed and the recorded contents are displayed indicates lop value labeled on the pick up HHH _ indicates value after adjustment end press the CD SYNC MD WM SYNC button or MENU NO button to display Read Then press the button to display Standby CHECKS PRIOR TO PARTS REPLACEMENT AND
7. PEAK ze 8 D 4 amp 6 Ej PEAK BUFFER 10123 1 CIE J BOTTOM ANALOG ES A ABCD ABCD ABCD a 5 qae mi 5 PROCESSOR D eade ot FE FE en 34 m 06 VC 4 A 1 7 MONITOR 3 CONTROL 2 EF 718 09 SE CONVERTER 3C BALANCE VC VCC 71 VG ADFG APC SERVO 6 VC lt 3 DEMODULATOR DSP 5 qp JEMPR DECODER 2 gt D101 TEMPI TEMP SPINDLE PWM 3 AUTO 4 SERVO GENERATOR 4 SEQUENCER 4 LASER ON sh 20 47 3 XWE PD 0 SERIAL q 46 4 U XCAS 04 PARALLEL XOE vi DECODER 43 oc ac ef 5 58 4 dr DO D3 00 A09 03 04 05 13 43 88 89 86 85 92 91 49 48 50 e 51 34 31 36 40 45 ILCC APC j LD 0162 163 2 2 2 1 HF MODULE SW 1 103 0102 104 TRACKING _ SLED SPINDLE MOTOR DRIVE COIL FOCUS TRACKING COIL DRIVE EEP ROM SDA 5 LOADING MOTOR 34 SCTX UN DIG RST DINO DIN1 ADDT DADT DOUT BCK LRCK 512 5 505 DQSY MNT3 MNT2 MNT1 MNTO SENS SRDT SCLK SWDT XLAT CH LDON WRPWR MOD SDA SCL LIMIT IN REFLECT PROTECT CHACK IN PACK OUT PLAY P REC P LOAD IN LOAD OUT IDG RST MDS SD1 MAIN SECTION Page 35 MDS SD1 MAIN SECTION
8. AAA AK AA d ZE ORO Jo HB D S H o D D m Y R GADA SSSR j j ES GEJ 2 E NN N 21 P 1122 v 20 A gt pum 19 o 18 e 5 14 c 13 i m wW ojla o NTO 5 pr r TP227 TP226 12 O O NT1 SHCK E gt A ANA qi d D NT2 XBUSY x CHE cr 3 SLOC 2 E q C135 asa E d oe e Page 45 2 se 7 O x 6 1 121 TP225 5 3 09 lt gt 6 5 5 2 5 2 0 Mile R137 3 2 8 2 lt 0 gt z 0 2 0 3 2 2 DIGITAL SIGNAL PROCESSOR B a 0 2 0 8 41 5 0 RFI DIGITAL SERVO SIGNAL PROCESSOR ZZA EFM ACIRC ENCOBER BECOBER gt lt SHOCK PROOF MEMORY CONTROLLER O ATRAC ENCOBER BECOBER C130 F 100p CH 23 SCTX 0 2 22 SCL 00 5 lt 1 6 gt N SEA p 1 6 1 6 0 RIS2 1004 NI P 21 SDA 6 A V 2 1 60 0 lt 0 gt C MNTO FOK WE MNT3 SLOCK 0 1 1 lt gt 0 1 1 lt gt EN Lis MERE rp RECE 18 M un A OJO LI lt Li G 17 WRPWR 5 5 5 SE 38 8 Jo m LIMIT IN ROL i JOQOG XXE 7 z 14 MOD oo o Y y 0 lt 0 1 gt gt PROTECT 2 205 XLATCH BEND l C124 REFLECT 2 10 SCLK Page 45 Leon 81
9. 1 216 033 00 1 216 033 00 1 215 881 11 1 216 033 00 1 216 047 91 1 216 037 00 1 216 081 00 1 216 111 00 1 216 091 00 1 216 295 91 1 579 314 11 1 579 175 11 Description RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP RES CHIP FERITE METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP SHORT METAL CHIP RES CHIP RES CHIP RES CHIP RES CHIP METAL CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP SHORT METAL CHIP RES CHIP METAL CHIP METAL CHIP METAL OXIDE METAL CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP SHORT lt VIBRATOR gt 47K 47K 1M 100 100 100 1K 0uH 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 10K 0 10K 100 100 100 100 10K 100 100 10K 680 0 2 2K 100K 220 220 15 220 820 330 22K 390K 56K 0 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 Remark 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 2W F 1 10W 1 10W
10. 1 10W 1 10W 1 10W 1 10W VIBRATOR CRYSTAL 22 5 92 2 VIBRATOR CERAMIC 10MHz KK KK K K K K K 75 The components identified by mark ZA or dotted line with mark are critical for safety Replace only with part number specified Ref No Part No Description Remark Ref No Part No Description Remark A 4724 619 A PANEL BOARD COMPLETE R946 1 216 034 00 METAL CHIP 240 5 1 10W KK KKK KKK KKK KKK R947 1 216 034 00 METAL CHIP 240 5 1 10W lt CAPACITOR gt R948 1 216 089 91 RES CHIP 47K 5 1 10W C901 1 163 038 91 CERAMIC CHIP O 1uF 25V SWITCH C902 1 165 319 11 CERAMIC CHIP 0 1uF 50V C903 1 123 618 11 ELECT 22uF 20 6 3V S901 1 762 875 21 SWITCH KEYBOARD C921 1 163 038 91 CERAMIC CHIP O 1uF 251 5902 1 762 875 21 SWITCH KEYBOARD CLEAR C922 1 163 009 11 CERAMIC CHIP 0 001 10 50V S903 1 762 875 21 SWITCH KEYBOARD ENTER YES 5904 1 762 875 21 SWITCH KEYBOARD MENU NO C923 1 163 009 11 CERAMIC CHIP 0 001uF 10 50 905 1 762 875 21 SWITCH KEYBOARD GD C924 1 163 009 11 CERAMIC CHIP 0 001 10 50V C931 1 163 243 11 CERAMIC CHIP 5 50V S906 1 762 875 21 SWITCH KEYBOARD KK1 lt td C948 1 163 133 00 CERAMIC CHIP 470PF 5 50V 5907 1 762 875 21 SWITCH KEYBOARD L1 908 1 762 875 21 SWITCH KEYBOARD C11 lt CONNECTOR gt S909 1 762 875 21 SWITCH KEYBOARD CD SYNC MD WM SYNC 9910 1 762 875 21 SWITCH KEYBOARD REC 0 901 1 568 856 21 SO
11. 6 6 Schematic Diagram Main 1 2 Section 6 7 Schematic Diagram Main 2 2 Section 6 8 Printed Wiring Board Main Section 6 9 Schematic Diagram Panel Section 6 10 Printed Wiring Board Panel Section 6 11 Schematic Diagram Connector Section 6 12 Printed Wiring Board Connector Section 6 13 Schematic Diagram BD Switch Section 6 14 Printed Wiring Board BD Switch Section 6 15 Schematic Diagram Encoder Section 6 16 Printed Wiring Board Encoder Section 6 17 IC Block Diagrams aaa etai rrt dm 6 15 IC Pin Functions u uuu ee ee ns 7 EXPLODED VIEWS 7 1 Case and Back Panel Section 7 2 Front Panel Section 7 3 Mechanism Section MDM 5A 7 4 Base Unit Section MBU 5A 8 ELECTRICAL PARTS SECTION 1 SERVICING NOTE JIG FOR CHECKING BD BOARD WAVEFORM The special jig J 2501 149 A is useful for checking the waveform of the BD board The names of terminals and the checking items to be performed are s
12. LB LOW SWITCH A 601 z V U 858 INVERTER Syg Y 1C401 SN74HCUO4ANS N x I C402 15p CH M ces 5 c kip L3DATA LZCLK amp 22 5792MHz 0792 a BTALASXKA T146 SWITCH e T D EA SC S arcis4eKa T146 C301 222112 0 SWITCH LOABING Di 15 MOTOR 5 R W DRIVE mg 72 R301 gt 5 6k gt V 0791 SWITCH CONV B C863 0 1 CN791 1 25MM 13P E 8865 OH 0 P UO F Oy On 1000p NC 56k gt O gt ne AW R864 16861 FCS 22k TCZWUO4F PART 5 C861 1 C825 8172 6 53 o r 9 KEY 5 50V 824 INVERTER Page 92 gt 220 10V 5 G 11 ILLU RTIP137P 2 i Wr mi C206 8173 8172 220 12 KEYO M 1SS355TE 4 7k TOV R453 R403 13 KEYO 81821 R822 Y 12K 12k MS621 VN31N 680 Jin XS JW142 823 e CN821 8861 mm 2 0 100 15V SH RT PIN 185355 8171 C151 RURSUS h CU 3 34 1127 ary C101 2 Z 470 2 2k lt lt 5 5 2 10V Fa 0 25V 5 2 2k GA T C822 3 9 a R843 Akte 100 5 16 50V 330 842 M d 12 0171 8151 GG I H I C851 d BTC144EKA T146 15 RA D 81525 F 720 R102 5 MUTE BRIVER 10k 5 5 10V 10k m 32V FL REG IRA A 2 5 1 101 5 2581016 5 8153 8103 i
13. R503 R504 R505 Part No 1 414 396 21 1 424 485 11 8 29 107 45 8 29 107 45 0 29 027 59 8 29 600 22 0 729 027 59 8 729 027 36 8 29 027 57 8 29 040 20 8 29 027 57 8 29 281 53 1 216 073 00 1 216 073 00 1 216 081 00 1 216 082 00 1 216 049 91 1 216 089 91 1 216 025 91 1 216 057 00 1 500 445 21 1 216 073 00 1 216 073 00 1 216 081 00 1 216 082 00 1 216 049 91 1 216 089 91 1 216 025 91 1 216 057 00 1 216 061 00 1 216 057 00 1 216 033 00 1 216 033 00 1 216 033 00 1 216 025 91 1 216 073 00 1 216 067 00 1 216 057 00 1 216 063 91 1 216 049 91 1 216 097 91 1 216 075 00 1 216 049 91 1 216 097 91 1 216 075 00 1 216 057 00 1 216 089 91 1 216 057 00 1 216 089 91 1 216 033 00 Description lt COIL gt INDUCTOR 4 7uH lt LINE FILTER gt FILTER LINE lt TRANSISTOR gt TRANSISTOR 2SC3624A L16 TRANSISTOR 2SC3624A L16 TRANSISTOR DTC144EKA T146 TRANSISTOR 25A1235 F TRANSISTOR DTC144EKA T146 TRANSISTOR DTA143XKA T146 TRANSISTOR DTC143XKA T146 TRANSISTOR RT1P137L TP TRANSISTOR DTC143XKA T146 TRANSISTOR 25C1815 GR RESISTOR METAL CHIP 10K 5 METAL CHIP 10K 5 METAL CHIP 22K 5 RES CHIP 24K 5 RES CHIP 1K 5 RES CHIP 47K 5 RES GHIP 100 5 METAL CHIP 2 2K 5 FERRITE OuH METAL CHIP 10K 5 METAL CHIP 10K 5 METAL CHIP 22K 5 RES CHIP 24K 5 RES CHIP 1K 5 RES CHIP 47K 5 RES 100 5 METAL CHIP 2 2K 5 METAL CHIP 3 3K 5 METAL CHIP 2 2K 5 METAL CHIP 22
14. S curve CHECK 00 VERIFY MODE 00 DETRK CHECK E LDPWR ADJUST Laser power adjustment EF MO ADJUST BF CD ADJUST WE DL YD gt gt gt gt Lol CREC MODE x AG Set MO Auto gain output level adjustment MO AG Set CD Auto gain output level adjustment CD Read IOP data display gt gt gt Lol Lo gt Lo C Write IOP data write INFOMATION Microprocessing version display gt Lo CPLAY MODE Continuous play mode C A S D CREC MODE Continuous recording mode CA 8 D Group C Check A Adjust S Service D Develop For details of each adjustment mode refer to 5 Electrical Adjustments For details of ERR DP MODE refer to Self Diagnosis Function on page 2 f a different mode has been selected by mistake press the button to exit that mode Modes with X in the Mark column are not used for servicing and therefore are not described in detail If these modes are set accidentally press the button to exit the mode immediately Be especially careful not to set the modes with as they will overwrite the non volatile memory and reset it and as a result the unit will not operate normally 20 4 5 1 Operating the Continuous Playback Mode 1 Entering the continuous playback mode D Set the disc in the unit Whichever recordable discs or discs for playback only are available 2 Rotate the knob and dis
15. T gt 0 09 18 1 2 CHARGE PREDRIVE PUMP OSC PREDRIVE AMP INTERFACE PSB 0 0 0 9 Om Om D Om Omo MAIN Section IC201 UDA1341TS N2 IC301 LB1641 VADCP VADCN FWD REV STOP CONTROL LOGIC a CE 05 2 z e ND er 5 p Z gt O o m Sa LL DIGITAL INTERFACE DETECTOR VREF 28 20 TESTI O lt 2 gt 62 NOISE FILTER MOTOR DRIVE MOTOR DRIVE IC822 M62016FP E1 INTERRUPT SIGNAL GENERATOR SIGNAL GENERATOR IC851 M5293L REFERENCE VOLTAGE OVERHEAT OVERCURRENT PROTECTION LIMITTER CONNECTOR Section IC774 P82B715TD 118 gt NC NC a Qu SCL e 3 OUT REFERENCE VOLTAGE Ga 6 18 IC PIN FUNCTIONS e 1C101 CXA2523AR RF Amplifier BD Board 3 ve O Middle poi voie 1 65V generation menge m r rem OO O Am raser amplifier ouput terminal o he automate power conval creat os _ is remm Oupur terminal for a temperature sensor reference volage swor Writing serial data input rom the CXD2652AR Serial clock signal input from the CXD2652AR 1 xar Sera bach signal input from the CXDZ6S2AR la Center frequency c
16. UK CORD WITH CONNECTOR 5 CORE SYSTEM CABLE 50cm CORD WITH CONNECTOR WALKMAN LINK 80cm MANUAL INSTRUCTION ENGLISH MANUAL INSTRUCTION FRENCH SPANISH AEP UK MANUAL INSTRUCTION ITALIAN PORTUGUESE AEP UK MANUAL INSTRUCTION GERMAN DUTCH SWEDISH AEPUK MANUAL INSTRUCTION CHINESE SP HK 7 685 646 79 7 685 532 14 7 685 871 01 1 621 772 20 7 621 772 40 7 627 852 08 7 685 133 19 7 685 533 19 K K KK K K K K HARDWARE LIST KOKK K K K K KK K K K K SCREW BVTP 3X8 TYPE2 N S SCREW BTP 2 6X5 TYPE2 N S SCREW BVTT 3X6 S SCREW B 2X5 SCREW B 2X8 SCREW PRECISION P 1 7X2 5 SCREW DIA 2 6 IT3B SCREW BTP 2 6X6 TYPE2 N S MDS SD1 98L0953 1 Sony Corporation Printed in Japan 1998 12 9 922 970 11 Home A amp V Products Company Published by Quality Assurance Dept 8 Shibaura
17. knob and display MODE Press the button and ee MID The display changes to 55 AD i If the error rate is below 50 c that ADER 18 00 Press the MENU NO button stop playback press the but ton and remove the test disc m 5 14 FOCUS BIAS CHECK Change the focus bias and check the focus tolerance amount Checking Procedure 1 Load a test disc MDW 74 AU 1 2 Rotate the knob and display CPLAY MODE 3 Press the button twice and display CPLAY MID 4 Press the MENU NO button when AD GP is displayed 5 Rotate the knob and display FBIAS CHECK 6 Press button and display 3333 8 c OG The first four digits indicate the error 2 h two digits after indicate ADER and the 2 digits after c indicate the focus bias value Check that the error is below 50 and ADER is below 2 7 Press the ENTER YES button and display HP Check that the error is below 220 ADER is below 2 8 Press the button and display 2 00 2 a ii Check that the error is below 220 ADER is below 2 9 Press MENU NO button next press the button and remove the continuously recorded disc Note 1 Ifthe C1 error and ADER are above other than the specified value at points a step 8 in the above or b step 7 in the above the focus bias adjustment ma
18. 0206 0207 0301 0302 0303 0401 0402 0451 0452 0501 0502 73 4724 618 4724 626 4 212 590 11 7 685 646 79 1 128 551 11 1 126 963 11 1 163 012 00 1 126 933 11 1 163 038 91 1 128 551 11 1 126 963 11 1 163 012 00 1 126 934 11 1 163 038 91 1 126 925 71 1 163 038 91 1 163 038 91 1 163 038 91 1 163 038 91 1 126 934 11 1 126 934 11 1 163 038 91 1 163 038 91 1 163 038 91 1 163 251 11 1 126 963 11 1 163 251 11 1 126 963 11 1 163 038 91 1 163 038 91 MAIN BOARD COMPLETE AEP UK K K K K K K K K K K K K K K K MAIN BOARD COMPLETE SP HK K K K K K K K K K K K K K K K HOLDER FL SCREW BVTP 3X8 TYPE2 N S lt CAPACITOR gt ELECT ELEGIT CERAMIC CHIP ELECT CERAMIC CHIP ELECT ELECT CERAMIC CHIP ELECT CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELEGT CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP 22uF 4 uF 0 0018uF 100uF 0 1uF 22uF 4 7uF 0 0018uF 220uF 0 1uF 470uF 0 1uF 0 1uF 0 1uF 0 1uF 220uF 220uF 0 1uF 0 1uF 0 1uF 100PF 4 uF 100PF 4 uF 0 1uF 0 1uF 20 20 5 20 20 20 5 20 20 20 20 5 20 5 20 25 90V 90V 16V 25V 25V 50V 50V 10V 25V 10V 20V 25 25 25 10V 10V 25 25 25 50 50 50 50V 25V 25 Ref No Part No Descript
19. D943 D944 D945 D946 ARE RECTIFIER TRANSFORMER DRIVE 0791792 gt gt 1 gt gt 111144 0 gt 2 D815 816 LOAD OUT GE LD OUT 11 6V T 3 3V REG KA LD LOVO 9 IC821 D811 812 B AC OUT SDA SDA SCL lt 87 501 RESET DISPLAY DIG RST lt 77 DIG RST DRIVER CD gem X LED sw 0941 7 SC gt REC BACKUP 3 3V lt r AG LED sw D942 0941 Lei CD SYNC FL901 MD WM SYNC GRID DRIVE AC e 15V OUT e SIGNAL PATH 0921 i Q831 gt gt PB gt REC FLUORESCENT 32V 3 3 gt PB Digital out B SWITCH a INDICATOR TUBE UE gt REC Digital in 36 THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS In addition to this the necessary note is printed in each block For schematic diagrams Note All capacitors are in unless otherwise noted pF uuF 50 WV or less are not indicated except for electrolytics and tantalums All resistors are in Q and 4W or less unless otherwise specified e A internal component panel designation Note The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified B Line B Line adjustment for repair no mark STOP Play the test disc TDYS 1 lt gt REC Can not be measured Voltages are taken with a VOM Input impedance 10
20. Loca pe 4 CN110 m gt 21P BA CA N n 1 2 LL 1 FF gt I O O O O 1 91 513 EE Mi gt ww x d A CN104 S a 4 5 85 5 2 5 4P 4 1 Ea nio S 2 2 ZEE E EE lt TRK gt ad M101 M102 TRK SPINBOL MOTOR SLED MOTOR FCS 2 U to lt FCS gt Ra TP322 ele h LB GNB 5 5 862 G 5 128 En BD BOARD 1 2 1 L106 o I PA lt ILCC gt TP321 042 SSS tO 1p320 EE D i H 1 4 S ng 0 001 0181 182 FSI i Shy 3 2 22 10V R HEAD DRIVE 1162 SENE lt 3 2 gt SP BE 3 du DE EE 42 7 0105 0181 RT1P441M TP 1 Ge 3 0101 A MH 28J278MYTR E 1181 RTIP441N 25 5 lt gt 50 lt gt _ 5 1 152 o SWIT 8115 1k 2 5 le N Aeee Zeg e CH 0182 9185 9181 MOTOR BRIVE 3 3 Q104 lt 2 5 gt 25K1764KYTR FIJ Fld RT1P441M TP 1 SWITCH 0 is jie TO jus gt V C160 lt XRST gt Mm 3 3 0 lt 0 gt 0102 10 R149 2SA1576A 10 R163 C108 c 2 2 0 022 5 5 Em 16152 9 gt AW C182 Y Y u gt lt BHO511FS E ISIA 8165 E gt C155 1
21. the need to solder Refer to Servicing Note on page 60 7 As the disc used will affect the adjustment results make sure that no dusts nor fingerprints are attached to it Note When performing laser power checks and adjustment electrical adjustment use of the new MD laser power meter 80105 J 2501 145 A instead of the conventional laser power meter is convenient It sharply reduces the time and trouble to set the laser power meter sensor onto the objective lens of the pick up 5 5 CREATING CONTINUOUSLY RECORDED DISC This disc is used in focus bias adjustment and error rate check The following describes how to create a continuous recording disc Insert a disc blank disc commercially available 2 Rotate the lt gt knob and display CREC MODE 3 Press ENTER YES button again to display CREC MID Display CREC 0300 and start to recording 4 Complete recording within 5 minutes 5 Press the MENU NO button and stop recording 6 Press the amp button and remove the disc m The above has been how to create a continuous recorded data for the focus bias adjustment and error rate check Note Be careful not to apply vibration during continuous recording 24 5 6 CHECKS PRIOR TO REPAIRS These checks are performed before replacing parts according to approximate specifications to determine the faulty locations For details refer to Checks Prior to Parts Replacement an
22. 414 813 11 SEMICONDUCTORS In each case u u for example uA U A UPA uPB u PB uPC PC UPD u PD CAPACITORS uF uF COILS uH uH Abbreviation Hong Kong model SP Singapore model Description CERAMIC CHIP CERAMIC CHIP 0 01uF 0 1uF CERAMIC CHIP TANTALUM CERAMIC CHIP TANTAL CHIP CERAMIC CHIP 0 1uF 10uF 0 1uF 10uF 0 1uF ELECT CHIP CERAMIC CHIP TANTAL CHIP CERAMIC CHIP CERAMIC CHIP 22uF 0 001uF 10uF 0 01uF 0 033uF ELECT CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP 100uF 0 1uF 0 1uF 0 1uF lt CONNECTOR gt CONNECTOR FPC 21P CONNECTOR FFC LIF NON ZIF 21P CONNECTOR FFC LIF NON ZIF 23P CONNECTOR FFC FPC 4P 10 20 20 20 10 20 10 10 20 PIN CONNECTOR PC BOARD 6P DIODE DIODE 155355 DIODE F1J6TP DIODE F1J6TP 10 IC CXA2523AR IC TRANSISTOR FMW1 IC CXD2654R IC TG WU04FU TE12R IC MSM51V4400 70TS K IC BH6511FS E2 S 24C02AFJA TB IC MC74ACTO8DTR2 IC 033 2 lt COIL gt FERRITE OuH FERRITE OuH FERRITE OuH FERRITE OuH FERRITE OuH FERRITE OuH Remark 90V 29V 25V 10V 25V 16V 25 10V 500V 16V 90V 25V 6 3V 25 25 25 Ref No 122 1151 152 153 154 L161 L162 L181 Q101 Q102 Q103 Q104 Q162 Q163 0181 0182 R103 R104 R105 R106 R107 R109 R110 R111 R112 R113 R115 R117 R120 R121 R123 R1
23. 5 25 50V 10V 50V 25V 25 50V 25 25 90V 50V 50V 25V AEP UK 6 3V 50V 50V Ref No C792 CN771 EPT771 FB 71 FB772 10771 10772 10774 9421 J773 9773 JW251 JW252 JW253 JW254 JW255 JW256 JW257 Q771 Q772 Q774 Q775 Q781 Q782 R421 R422 R471 R472 R762 R771 R 72 R773 R774 R775 R777 R778 R779 R780 Part No 1 163 121 00 1 568 832 11 1 537 738 21 1 500 445 21 1 500 445 21 8 49 015 19 8 19 802 25 8 759 549 80 1 785 382 21 1 566 856 11 1 566 856 11 1 580 394 11 1 774 136 11 12216 29591 1 216 295 91 1 216 296 91 1 210 296 91 1 216 295 91 1 216 296 91 1 216 296 91 8 729 027 59 8 29 422 29 8 29 120 28 8 29 027 59 8 729 025 20 8 29 025 28 1 216 608 11 1 216 025 91 1 216 608 11 1 216 025 91 1 216 295 91 1 216 025 91 1 216 295 91 1 216 067 00 1 216 049 91 1 216 037 91 1 216 031 00 1 216 073 00 1 216 073 00 1 216 097 91 Description Remark CERAMIC CHIP 150 5 50V lt CONNECTOR gt SOCKET CONNECTOR 13P lt GROUND TERMINAL gt TERMINAL EARTH lt FERRITE BEAD gt FERRITE 00 FERRITE 00 10 IC PHOTO COUPLER ON3131 SA S0 IC PHOTO TRANSISTOR TLP550 0 IC P82B715TD 118 lt JACK gt JACK MINIATURE CONNECTOR 4P MD WM LINK SOCKET CONNECTOR 5P TC SD1 SOCKET CONNECTOR 5P HCD SD1 CONNECTOR DIN 6P AEP UK CONNECTOR 6P CONTROL SP HK JUMPER RESIS
24. ADJUSTMENTS Before performing repairs perform the following checks to determine the faulty locations up to a certain extent Details of the procedures are described in 5 Electrical Adjustments Criteria for Determination m Measure if unsatisfactory Unsatisfactory if specified value is not satisfied y Laser power check 0 9 mW power Clean the optical pick up 5 6 2 See page 25 Specified value 0 84 to 0 92 mW Adjust again 7 0 mW power Replace the optical pick up Specified value 6 8 to 7 2 mW lop at 7mW Replace the optical pick up Labeled on the optical pickup value 1 Traverse check Traverse waveform Replace the optical pick up 5 6 3 See page 25 Specified value Below 10 offset Focus bias check Error rate check Replace the optical pick up 5 6 4 See page 26 Specified value For points a b and c CI error Below 220 AD error Below 2 C PLAY check Error rate check Replace the optical pick up 5 6 5 See page 26 Specified value a When using test disc MDW 74 AU 1 CI error Below 80 AD error Below 2 b When using check disc TDYS 1 CI error Below 50 Self recording playback CPLAY error rate check If always unsatisfactory check Specified value Replace the overwrite head error Below 80 Check for disconnection of the circuits around the 5 6 6 See page 26 AD error Below 2 overwrite head If occasionally unsati
25. CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP RES CHIP METAL CHIP METAL CHIP RES CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP SHORT SHORT lt SWITCH gt 10K 100K 100K 2 2K 2 2K 2 2K 680 100K 4 7K 10K 10K 1M 4 7K 3 3K 33K 10K 47K 47K 10K 22K 47K 10K 10K 10K 10K 5 5 5 5 5 5 5 5 5 SWITCH PUSH 1 KEY LIMIT IN SWITCH PUSH 2 KEY Remark 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 2W 1 10W 1 4W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W K K KK K K K K K 0421 0422 0423 0431 0432 0471 0472 0771 0772 0773 0774 0775 0776 0777 0778 0780 72 1 671 538 11 1 163 038 91 1 126 964 11 1 126 934 11 1 163 017 00 1 163 038 91 1 163 038 91 1 126 964 11 1 163 038 91 1 163 038 91 1 126 964 11 1 163 017 00 1 163 251 11 1 163 038 91 1 104 656 11 1 103 251 11 1 163 251 11 CONNECTOR BOARD K KK K K K K K K K K lt CAPACITOR gt CERAMIC CHIP ELECT ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT CERAMIC CHIP CERAMIC CHIP 0 1uF 10uF 220uF 0 0047uF 0 1uF 0 1uF 10uF 0 1uF 0 1uF 10uF 0 0047uF 100PF 0 1uF 2200uF 100PF 100PF 20 20 5 20 20 5 5 20 5
26. FLUORESCENT INDICATOR TUBE AND MECHANISM DECK The fluorescent indicator tube will not display anything if the mechanism deck 18 not connected to the MAIN board Before servicing check the connection of the cables connecting these parts first 10 ATTACHING THE GLASS ASSEMBLY Attach according to steps to Screw PTP2 6x6 Bracket shaft 79 BZ NU Es Ng Bott ide oms When fixing this part secure at the center to allow for some play Open and close the glass window several times and check that the parts do not touch each other FLUORESCENT INDICATOR TUBE LED COMPLETE LIGHTING CHECK The fluorescent indicator tube and LED complete lighting and key check mode of this unit can be performed as follows Procedure 1 While pressing the and REC buttons insert the power plug into the outlet and turn ON the power 2 FLAI On Key will be displayed momentarily after which immediately the fluorescent indicator tube and LED will light up completely 3 The fluorescent display tube will go off part by part each time a button is pressed When all buttons have been pressed Push Yen will be displayed 4 When the button is pressed next Seg Chk will be displayed momentarily 5 Checkered pattern will be displayed on the fluorescent display tube 6 When the button is pressed next Jog LED Chk will be displayed 7 The LED lighting state changes each time t
27. SHORT 0 RES CHIP 100 RES CHIP 100 RES CHIP 100 SHORT 0 METAL CHIP 10K RES CHIP 100K METAL CHIP 680K RES CHIP 1K METAL CHIP 3 3K RES CHIP 1K SHORT 0 METAL CHIP 150 METAL CHIP 10K METAL CHIP 10K RES CHIP 100 METAL CHIP 10K METAL CHIP 330 RES CHIP 100 METAL CHIP 680 METAL CHIP 10K SHORT 0 METAL CHIP 10K 5 5 5 5 5 5 5 5 5 5 5 Remark 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W Ref No R152 R158 R159 R160 R161 R162 R163 R164 R165 R166 R167 R169 R170 R171 R173 R175 R177 R179 R180 R182 R183 R184 R185 R186 R188 R189 R190 R195 R196 R197 5101 5102 Part No 1 216 073 00 1 216 097 91 1 216 097 91 1 216 295 91 1 216 05 00 1 216 05 00 1 216 05 00 1 216 045 00 1 216 097 91 1 220 149 11 1 216 065 91 1 219 724 11 1 216 073 00 1 216 073 00 1 2 105121591 1 216 065 91 1 216 061 00 1 216 085 00 1 216 073 00 1 216 089 91 1 216 089 91 1 216 073 00 1 216 081 00 1 216 089 91 1 216 073 00 1 216 073 00 1 216 073 00 1 216 073 00 1 216 295 91 15216 295 91 1 762 596 21 1 762 148 21 Description METAL CHIP RES CHIP RES CHIP SHORT METAL CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP REGISTER RES CHIP METAL CHIP METAL CHIP METAL CHIP RES
28. TO SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY Laser component in this product is capable of emitting radiation exceeding the limit for Class 1 This appliance is classified as a CLASS I LASER product The CLASS I LASER PROD UCT MARKING is located on the rear exterior CLASS 1 LASER PRODUCT LUOKAN 1 LASERLAITE KLASS 1 LASERAPPARAT This caution label is located inside the unit CAUTION INTERLOCKS DEFEATED AVOID EXPOSURE TO BEAM ADVARSEL usYNLIG LASERSTRALING VED ABNING NAR SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION UNDGA UDSAETTELSE FOR STRALING VORSICHT uNSICHTBARE LASERSTRAHLUNG WENN ABDECKUNG GE FFNET UND SICHEREITSVERRIEGELUNG UBERBRUCKT NICHT DEM STRAHL AUSSETZEN VARO AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALT TIINA NAKYMATT MALLE LASERSATEILYLLE ALA KATSO SATEESEEN VARNING OSYNLING LASERSTRALING DENNA DEL AR PPNAD OCH SPARREN AR URKOPPLAD BETRAKTA EJ STRALEN ADVERSEL usYNLIG LASERSTRALING NAR DEKSEL APNES OG SIKKERHEDSLAS BRYTES UNNGA EKSPONERING FOR STRALEN VIGYAZAT BURKOLAT NYITASAKOR LATHATATLAN LEZERSU GARVESZELY KER LJE A BESUGARZAST INVISIBLE LASER RADIATION WHEN OPEN AND CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous ra diation exposure Notes on chip component rep
29. 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 e Signal path REC gt DIGITAL OUT YO REC DIGITAL IN Abbreviation HK Kong model SP Singapore model For printed wiring boards parts extracted from the component side parts extracted from the conductor side parts mounted on the conductor 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 Side A parts face are indicated e Indication of transistor These are omitted BE t a aa These are omitted 37 WAVEFORMS BD 1 2 SECTION PAM W NM IC101 O I J PLAY mode W 0 46Vp p IC101 E F PLAY mode BD 1 2 SECTION 22 581MHz IC121 68 OSCI 44 1kHz IC121 2 822MHz IC121 3 XBCK 11 29MHz IC121 69 FS256 176 4kHz IC121 00 FS4 MAIN SECTION W INI 10MHz 701 XOUT 2 gp 44 1kHz IC201 09 LRCK1 1 38 2 822M
30. b1 b2 In this case as 00 bl and b2 are 1 and others are 0 it can be determined that the retry cause is combined of emphasis stereo original copyright exists and write prohibited Hexadecimal Binary Conversion Table 0o 00 8 1000 9 mo 3 om 5 wn 3 gt e 0100 1100 0101 1101 0110 1110 0111 m 14 SECTION 2 GENERAL Front Panel Location of Parts and Controls 1 1 0 Power button 9 IKIAI 4 button 2 MD disk compartment 10 button 3 2 button 11 button 4 CLEAR button 12 CD SYNC MD WM SYNC button 5 ENTER YES button 13 REC button 6 VOLUME knob 14 DISPLAY button 7 MENU NO button 15 Display window 8 1 button 15 SECTION 3 DISASSEMBLY Note Follow the disassembly procedure in the numerical order given 3 1 GLASS ASSY 3 2 FRONT PANEL type wire 13core 791 Connector CN792 Connector 793 U MY Q Front panel Q Two screws BVTP3x8 16 3 3 SLIDER CAM Slider Cam Set the shaft of Cam gear to be at the position in the figure Set the shaft of Lever O C to be at the position in the figure Bracket Guide R 3 4 BASE UNIT AND BD BOARD Flexible board 104 Flexible board 101 Three screws BEND BTP2 6x6 Oy 3 BD board m
31. focus bias value at which the error rate becomes approximately 220 At this time set the error rate to about the same value set at step 7 10 Press the ENTER YES button and display 1 coi 11 Check that the C1 error rate is below 50 and ADER i is 00 Then press the ENTER YES bs p 12 If the 35 in 4 AP LI u iu is above 20 press the EN TER YES e If below 20 press the button and repeat the adjustment from step 2 13 Press the button to remove the test disc Note 1 The relation between the C1 error and focus bias is as shown in the following figure Find points a and b in the following figure using the above adjustment The focal point position C is automatically calculated from points a and b Note 2 As the C1 error rate changes perform the adjustment us ing the average vale m error approx 220 Focus bias value F BIAS 29 5 13 ERROR RATE CHECK 5 13 1 CD Error Rate Check Checking Procedure Load a check disc MD TDYS 1 Rotate the knob and display CPLAY MODE Press the button twice and display CPLAY MID The display changes to iii AD HR Check that the error rate is 20 Press the button stop playback press the but ton and remove the test disc Im ope ES 5 13 2 MO Error Rate Check Checking Procedure Load a test disc MDW 74 AU 1 Rotate the gt
32. in the following figure so that it can be seen more clearly Oscilloscope BD board 330 CN110 pin TE 94 lt W CN110 pin VC o I 2218 2 5 6 4 Focus Bias Check Change the focus bias and check the focus tolerance amount Checking Procedure 1 Load a test disk MDW 74 AU 1 2 Rotate the knob and display CPLAY MODE 3 Pressthe ENTER YES button twice and A 2 4 Press the MENU NO button when AD GC is displayed 5 Rotate the gt knob and display FBIAS CHECK 6 Press the ENTER YES button and display c The first four digits indicate the error TN ihe two digits after indicate ADER and the 2 digits after c indicate the focus bias value Check that the error is below 220 ADER is below 2 7 Press the button and display EEE b GO Check that the error is below 220 ADER is below 2 8 Press the button and display 1 a Check that the error is below 220 ADER is below 2 9 Press the MENU NO button next press the button and remove the test disc 5 6 5 C PLAY Checking MO Error Rate Check Checking Procedure Load test disk MDW 74 AU 1 Rotate the knob and display CPLAY MODE Press the button and display CPLAY MID The display changes to i AD SU If the CI error rate is below 80 check that ADER is below 2 Press the MENU N
33. on page 6 me E SECTION 6 DIAGRAMS 6 1 CIRCUIT BOARDS LOCATION MAIN board CONNECTOR board SW board PANEL SW board BD board PANEL board ENCODER board gt 6 2 BLOCK DIAGRAMS BD SECTION e SIGNAL PATH gt gt PB gt 2 gt gt PB Digital out REC Digital in OPTICAL PICK UP BLOCK REC KMS 260A J1N 09 HR901 OVER WRITE HEAD CE HEAD DRIVE 0181 182 OVER WRITE HEAD DRIVE 10181 FILTER DIGITAL SERVO SIGNAL PROCESSOR DIGITAL SIGNAL PROCESSOR EFM ACIRC ENCODER DECODER SHOCK PROOF MEMORY CONTROLLER ATRAC ENCODER DECODER EFM ACIRC ENCODER DECODER 1C121 SHOCK RESISTANT MEMORY CONTROLLER ATRAC ENCODER DECODER DIGITAL AUDIO I F FOCUS 1 COIL 0 e DRIVER 3256 FSC FSC SLED MOTOR SLED ot SPDL _ SPINDLE MOTOR SPDL DETECT SW 5101 5102 5601 604 103 1 x SAMPLING J RF AMP BPF Va O AUX AUX1 CLOCK DETECTOR 2 2 2 83 67 GENERATOR
34. the reading of the laser power meter becomes 6 9 to 7 1 mW press ENTER YES button and save it Note Do not perform the emission with 7 0 mW more than 15 seconds continuously 7 Then rotate the knob and display LDPWR CHECK 8 Press ENTER YES button once and display LD 0 9 mW 0 85 to 0 91 mW 9 Press ENTER YES button once more and display LD 7 0 digital volt meter satisfy the specified value Note down the digital voltmeter reading value Specified Value Laser power meter reading 7 0 0 1 mW Digital voltmeter reading Optical pick up displayed value 10 Optical pick up label For details of the method for checking this value refer to 5 8 Recording and Displaying IOP Information KMS260A 27X40 B0825 lop 82 5 mA in this case lop mA Digital voltmeter reading mV 1 Q 10 Press the button and display LDPWR CHECK and stop the laser emission The button is effective at all times to stop the laser emission 11 Rotate the knob to display 12 Press the button When the display becomes Ref is an arbitrary number press the ENTER YES button to display Measu is an arbitrary number 13 The numbers which can be changed will blink Input the value noted down at step 9 To select the number Rotate the knob To select the digit Press the but ton 14 When the but
35. tube Press the button to display and press IO button immediately Wait for about 15 seconds while pressing the button When the TOC displayed on the fluorescent indicator tube goes off release the button Press the 8 REC button to start recording Then press the D button and start recording To check the track mode press the D button to start play To exit the test mode press the button and turn OFF power When disappears disconnect power plug from outlet If the test mode cannot be exited refer to Forced Reset on page 8 w 32 D O Fig 1 Reading the Test Mode Display Fig 2 Reading the Test Mode Display During recording and stop During playback RTs Fluorescent display tube display Fluorescent display tube display Cause of retry Parts No name of area named on TOC Number of retries HH Cluster Number of retry errors Eie Sector Address Physical address on disc Track mode Track information such as copyright information of each part Reading the Retry Cause 21877173 Hexadecimal geg NAME Cause of Retry Occurring conditions s ne Gel When track jump shock is detected When ADER was counted more than five times ader5 continuously E Discontinuous address When ADIP address is not continuous Reading the Display Convert the hexadec
36. 0 5 METAL CHIP 220 5 METAL CHIP 220 5 RES CHIP 100 5 METAL CHIP 10K 5 METAL CHIP 5 6K 5 METAL CHIP 2 2K 5 RES CHIP 3 9K 5 RES CHIP 1K 5 RES CHIP 100K 5 METAL CHIP 12K 5 RES CHIP 1K 5 RES CHIP 100K 5 METAL CHIP 12K 5 METAL CHIP 2 2K 5 RES CHIP 47K 5 METAL CHIP 2 2K 5 RES CHIP 47K 5 METAL CHIP 220 5 Remark 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W Ref No R601 R602 R605 R606 R607 R608 R609 R621 R 03 R 04 R 05 R706 R707 R708 R709 R710 R712 R713 R714 R715 R716 R720 R721 R722 R724 R725 R726 R727 R728 R 29 R730 R789 R821 R822 R832 R841 R852 ZN R853 R854 R855 R861 R862 R863 R864 R865 R866 R1001 X601 X701 Part No 1 216 089 91 1 216 089 91 1 216 121 91 1 216 025 91 1 216 025 91 1 216 025 91 1 216 049 91 1 500 445 21 1 216 073 00 1 216 073 00 1 216 073 00 1 216 073 00 1 216 073 00 1 216 073 00 1 216 073 00 1 216 073 00 1 216 073 00 1 216 073 00 1 216 073 00 1 216 073 00 1 216 073 00 1 216 073 00 1 216 073 00 1 216 295 91 1 216 073 00 1 216 028 91 1 216 025 91 1 216 025 91 1 216 025 91 1 216 073 00 1 216 025 91 1 216 025 9 1 216 073 00 1 216 045 00 1 216 295 91 1 216 057 00 1 216 097 91
37. 00 m 46 C108 5 F NE de ore vee C148 cios pur K KL At Ze 2 5 Ces Y APC 0 1 F 10 10V T Ke T S I 10 8 9 9 1 6 e pM e E in is is A A 0 0 4 0 5 0 C141 A a 3 2 Lud 5 ARP 11 5 2 0 10 0143 20 0 1 0 2 lt gt 55555 0 0 6 lt 0 8 gt 1004H 3 5 2 LBON m SZ po 1 181 e OOOD TP 0 2 0 i 0 001 d A OVER WRITE s G pn 5 680 5 MESRINE VM34 5 g 0 1 0 2 lt 0 1 gt gt 00 2 lt 0 1 gt i 0 9 1 1 lt 0 9 gt 1 OUTZR gt 0090009 gt 2 8 10101 nid m 10101 5 1 4 0 2 0 1 2525 16 16428 S s v 0 IN3F 4 s os s a C158 9 COMPO RI84 infi H 5 3 A R 5 0 0008 e 8518 AGCIQO gt Y Y Se IY lt H RFAGO G9 ped RF PEAK 72 C101 10 3 5K Tp t lt t gt 0 2 0 8 lt 1 5 gt A i 19 R S x 5 mL O ul D Ee 10y SC E D A lt lt D m 2 Ki 9000900999090 0 033 0 0 0 0 0 0 0 2 0 3 lt 2 gt MGND Clt B 2 5 d se te SEN A AGND o Tei ro 2 DGND 751 51019 R185 8178 FO 0152 R160 8192 22K 33k EI IR F E 5 C143 0 01 RI90 72 lt FE gt k au dE lt AUX gt C151 0 068 B 1B 100 5216 6 R141
38. 11 15125 022 11 1 163 021 91 1 163 038 91 1 163 038 91 1 163 038 91 1 163 021 91 1 107 823 11 1 163 251 11 1 163 023 00 1 107 823 11 1 163 017 00 1 163 038 91 1 163 038 91 1 126 206 11 1 163 251 11 151635251511 1 163 251 11 1 163 038 91 1 126 206 11 1 163 038 91 1 189 021 91 1 163 038 91 1 163 019 00 1 104 601 11 1 104 601 11 1 163 021 91 Description BD BOARD COMPLETE KK KK K K K K KK K K K lt CAPACITOR gt TANTALUM CERAMIC CHIP TANTALUM TANTALUM 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 TANTALUM CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP CERAMIC CHIP ELECT CHIP ELECT CHIP CERAMIC CHIP SECTION 8 ELECTRICAL PARTS LIST 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 Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items
39. 21 4 996 219 01 4 996 220 01 4 996 221 01 4 933 134 01 4 996 224 11 Description SW BOARD CHASSIS INSULATOR F BRACKET GUIDE R SPRING 0 C TENSION LEVER 0 C INSULATOR R BRACKET GUIDE L SPRING ELECTROSTATIC LEAF GEAR CAM GEAR GEAR A GEAR B SCREW SCREW r PTPWH M2 6X6 1 7 3 PWH PZN Remark 215 216 217 218 219 220 221 223 225 103 69 Ref No Part No 4 996 227 01 4 996 229 01 4 996 212 01 4 996 213 01 4 996 214 01 4 996 216 01 4 210 396 01 X 4949 246 1 X 4949 245 1 4 996 211 01 4 998 63 24 X 4949 264 1 Description Remark LEVER HEAD SPRING HEAD LEVER TORSION LEVER LIMITTER SPRING LIMITTER TORSION SPRING SLIDER TENSION SPRING HOLDER TENSION SPRING LOCK LEVER TENSION SLIDER ASSY HOLDER ASSY SLIDER CAM SPRING SHUTTER LEAF MOTOR ASSY LOADING 7 4 BASE UNIT SECTION MBU 5A not supplied ES M101 The components identified by mark ZA or dotted line with mark are critical for safety Replace only with part number specified Ref No Part No Description Remark Ref No Part No Description Remark 251 A 4699 893 A BD BOARD COMPLETE 265 4 996 261 01 GEAR SL B 252 3 3 2 61 01 SGREW 1 7 TAPPING 209 4 996 267 01 BASE BU D 266 4 996 264 01 SPRING SHAFT LEAF 254 4 996 255 01 BASE BU C 267 4 996 265 01 SHAFT
40. 24 R125 R127 R129 R131 R132 R133 R134 R135 R136 R137 R140 R142 R143 R144 R145 R146 R147 R148 R149 R150 R151 Part No 1 414 813 11 1 412 029 11 1 412 029 11 1 412 032 11 1 412 032 11 1 414 813 11 1 414 813 11 1 210 295 91 8 729 026 91 8 729 026 53 8 29 028 99 8 729 026 99 8 729 101 07 8 729 020 91 9 29 018 75 0 729 017 65 1 216 049 91 1 216 073 00 1 216 065 91 1 216 133 00 1 216 113 00 1 216 295 91 1 216 073 00 1 216 295 91 1 216 089 91 1 216 049 91 1 216 049 91 1 216 113 00 1 216 025 91 1 216 097 91 1 216 295 91 1 216 025 91 1 216 025 91 1 216 025 91 1 216 295 91 1 216 073 00 1 216 097 91 1 216 117 00 1 216 049 91 1 216 061 00 1 216 049 91 1 216 295 91 1 216 029 00 1 216 073 00 1 216 073 00 1 216 025 91 1 216 073 00 1 216 037 00 1 216 025 91 1 216 045 00 1 216 073 00 1 216 295 91 1 216 073 00 Description FERRITE OuH INDUCTOR CHIP 10uH INDUCTOR CHIP 10uH INDUCTOR CHIP 100uH INDUCTOR CHIP 100uH FERRITE OuH FERRITE OuH SHORT 0 lt TRANSISTOR gt TRANSISTOR RT1P441M TP 1 TRANSISTOR 28A1576A T106 QR TRANSISTOR RT1P441M TP 1 TRANSISTOR RT1P441M TP 1 TRANSISTOR 2SB798 DL TRANSISTOR RT1P441M TP 1 TRANSISTOR 28J278MY TRANSISTOR 2SK1764KY RESISTOR RES CHIP 1K METAL CHIP 10K RES CHIP 4 7K METAL CHIP 3 3M METAL CHIP 470K SHORT 0 METAL CHIP 10K SHORT 0 RES CHIP 47K RES CHIP 1K RES CHIP 1K METAL CHIP 470K RES CHIP 100 RES CHIP 100K
41. 25 A 8 MNT2 XBUSY 100 7 XINIT b m 0 4 BIG RST 1122 ui O TP144 AN770335P 3 2 1 SHCK 0 1 F 5 3 TP142 C190 CV IN 5 SENSE 106 6 3V n CN103 3 34 i 23P GOV OUT D O M TP220 z EEPROM 3V REG J I REFLECT 5 C171 PROTECT EEN 0 1 8101 F LIMIT IN a E 6 6 SCHEMATIC DIAGRAM MAIN 1 2 SECTION See page 38 for Waveforms See page 49 for Printed Wiring Board e See page 65 for IC Pin Functions CLOSE ON L OPEN OFF H CN701 AMP7P PLAY P SW CHACK IN SW PACK OUT SW LOAB OUT ES REH 5 4 s REC P SW 2 1 Page 59 23 LOAB IN MNT1 SHOCK D 22 21 BASY 20 BIG RST 13 SQSY 18 DND 17 XINT 16 MNT2 X BUSY 15 LBON SCLK 4 3 2 Page 43 1 1 E 10 s 8 7 REFRECT ATCH Sr LIMIT IN 7 XL PROTECT SRBT we MNT3 S LOCK ES SCL REC la N N e ON Page 43 OT CN501 1 0MM 21P H GND BCK 5V 5V GND GND MDM3 3V B 0UT 512 5 BIN GND MCK GND 60 CN792 AMP 3P 4001 BGNB 4060 ILL 15 16 17 R727 100 R726 100 5 Ma W 725 1 AW JW139 0 JW135 SCLK SRBTJ
42. 3IN SW Not used Recording head down detection signal Not used Recording head up detection signal Not used Key 3 AD Not used Key 2 AD Nor used Key 1 AD Key 0 A D 98 VREF oo i A D reference voltage 3 3V MD WM LINK data input 66 NOTE Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items The mechanical parts with no reference number in SECTION 7 EXPLODED VIEWS Hardware mark list and accessories and pack ing materials are given in the last of this parts list Abbreviation HK Hong Kong model The components identified by mark ZA or dotted line with mark are critical for safety Replace only with part number specified Singapore model the exploded views are not supplied SP 7 1 CASE AND BACK PANEL SECTION not supplied not supplied Front panel 8 1 Ref No Part No Description Remark Ref No Part No Description Remark 1 4 212 589 01 SCREW BVTPWH M3 STEP 10 4 212 572 11 PANEL MD BACK AEP UK 2 1 783 140 11 WIRE FLAT TYPE 23 CORE 10 4 212 572 21 PANEL MD BACK SPHK 3 1 783 139 11 WIRE FLAT TYPE 21 CORE 11 1 671 538 11 CONNECTOR BOARD 4 4724 618 MAIN BOARD COMPLETE AEP UK 12 4 212 561 31 CASE 4 4724 626 MAIN BOARD COMPLETE 5 13 X 4950 994 1 FOOT ASSY 5 4 944 316 01 HOLDER P
43. 3k 10k 4 7k 3 k 2 2k 28MW 28MW l E R942 1 1 je k j k d as x 5912 5911 5910 5909 5908 5907 3 3 MD WM SYNC 59 59 59MW R 0 3 2 R924 100 ZET e R947 R945 LR944 M 240 240 240 R923 100 J FCLK FCLK 11 0941 0942 1 II DTC144EKA T146 DTC144EKA T146 GiG BGNB 10K 10K 10K 10K ES BGNB H rsy Eech DTC143TKA T146 7 9946 W KA O 9945 GRIB BRIVE 32V SELSE23C 77 SEL5E23 BLUE BLUE EE KEY 5 See ES 47 EBENEN BILL 8945 pa NoNo SEL5E23 SEL5E23 RM A TNAJSNS AC 2 BLUE Seosseoe ZEG J n EE MDS SD1 6 10 PRINTED WIRING BOARD PANEL SECTION e See page 32 for Circuit Boards Location PANEL BOARA _ 152 M RE Gi EE T SIE e Semiconductor Location GOP 7 6 5 3 4 5 5 3 7 6 54 MDS SD1 6 11 SCHEMATIC DIAGRAM CONNECTOR SECTION e See page 63 for IC Block Diagrams AEP UK J773 HOSHIBEN BIN6P CONTROL I SYSTEM CONTROL TO 581 lt lt 1 CA gt C 103 GD gt O 2 z L m TO 581 MB WM LINK
44. 5 0 0 amp J e 5 Sec Y 416 5 P lt SE gt E E E E 5 0 0 0 0 040 o S WSE L TPS 2 AE TP233 vc le SS i TEO A Y TE Y 5 g 22004 dt Se 0 g 2 Dub APCREF ofl c x lt R148 LL 4 lt FRBR gt TYY TRBR S Rio BE SE s n SPRB 16232 27 lt SPFB gt R L B 09 22 Q Z _ _ s N N N N N N N N N Lo N Ri 9 ND e 3 YY Y Y YY Y YYYY Y YYYY MY Cy y Y Y Y Y Y V Y Y Y Y Y Y Y YYY MDS SD1 6 5 SCHEMATIC DIAGRAM BD 2 2 SECTION e See page 38 for Waveforms See page 39 for Printed Wiring Board 1 2 3 4 D 6 7 8 9 10 11 12 13 14 15 5 Page 42 6 Page 42 Page 42 BQSY C191
45. 863 1 163 038 91 CERAMIC CHIP O tuF 25V C831 9 759 231 53 78055 C871 1 126 916 11 ELECT 1000uF 20 6 3V IC851 8 759 633 42 M5293L IC861 9 759 242 70 IC TC7WU04F lt CONNECTOR gt lt JACK gt CN501 1 784 418 11 CONNECTOR FFC LIF NON ZIF 21P CN701 1 568 934 11 PIN CONNECTOR 7P J101 1 695 188 31 JACK PIN 4P MD IN OUT CN702 1 784 417 11 CONNECTOR FFC LIF NON ZIF 23P CN791 1 568 832 11 SOCKET CONNECTOR 13P JUMPER RESISTOR CN792 1 506 468 11 PIN CONNECTOR 3P JW126 1 216 296 91 SHORT 0 CN793 1 568 951 11 PIN CONNECTOR 2P JW127 1 216 295 91 SHORT 0 CN801 1 580 230 11 PIN CONNECTOR PC BOARD 2P JW135 1 216 295 91 SHORT 0 CN802 1 564 321 00 PIN CONNECTOR 2P JW136 1 216 295 91 SHORT 0 CN821 1 568 683 11 PIN CONNECTOR PC BAORD 2P JW137 1 216 295 91 SHORT 0 DIODE JW138 1 216 296 91 SHORT 0 JW139 1 216 296 91 SHORT 0 D172 8 719 988 61 DIODE 155355 17 JW140 1 216 295 91 SHORT 0 0173 8 719 988 61 DIODE 1SS355TE 17 0811 8 719 200 82 DIODE 11ES2 The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified Ref No L501 LF801 Q101 0151 0171 0301 0302 0791 0792 0831 0832 0841 R101 R102 R103 R104 R105 R106 R107 R111 R113 R191 R152 R153 R154 R155 R156 R157 R161 R171 R172 R201 R202 R203 R204 R205 R301 R302 R303 R401 R402 R403 R451 R452 R453 R501 R502
46. C BOARD 14 1 569 972 21 SOCKET SHORT 2P 6 1 769 969 11 WIRE FLAT 13 CORE 15 3 531 576 01 RIVET 7 3 03 244 00 BUSHING 2104 CORD A CNJ802 1 526 794 11 OUTLET A8 1 783 499 11 CORD POWER T801 1 431 685 31 TRANSFORMER POWER 9 3 363 099 51 SCREW CASE 3 TP2 bz 7 2 FRONT PANEL SECTION Part No X 4950 581 1 4 212 584 01 4 993 007 01 4 942 636 21 4 212 551 11 X 4950 996 1 4 212 580 11 X 4950 999 1 4 212 553 11 1 671 540 11 not supplied Remark Description GLASS MD ASSY BRACKET SHAFT SCREW M2 6X6 P TAPPING EMBLEM NO 3 5 SONY PANEL AL MD FRONT PANEL MD ASSY FRONT SPRING GLASS BRACKET R ASSY 406 ENCODER BOARD 68 Part No 4 951 620 01 1 671 539 11 4950 998 1 4 996 690 91 4 976 593 01 1 751 086 11 4724 619 4 212 590 11 4 213 692 02 4 214 458 01 1 517 804 11 not supplied 59 Supplied with S981 Description Remark SCREW 2 6X8 BVTP PANEL SW BOARD BRACKET L ASSY LID CARTRIDGE SPRING LID TORSION WIRE FLAT TYPE 13 CORE PANEL BOARD COMPLETE HOLDER FL TAPE SPRING TAPE INDICATOR TUBE FLUORESCENT 7 3 MECHANISM DECK SECTION 5 Ref No 201 202 203 204 205 206 207 208 209 210 211 212 213 214 Part No 1 6 1 115 21 4 996 21 7 01 4 996 223 11 4 996 218 01 4 996 27 7 01 4 996 226 01 4 999 347 01 4 996 225 01 4 988 466
47. CKET CONNECTOR 13P S911 1 762 875 21 SWITCH KEYBOARD DISPLAY DIODE 5912 1 762 875 21 SWITCH KEYBOARD 1 0 D942 8 19 058 04 DIODE SEL5223S TP15 CD SYNC MD WM SYNC 1 671 539 11 PANEL SW BOARD D943 8 719 072 76 DIODE SEL5E23C TP15 0944 8 719 072 76 DIODE SEL5E23C TP15 44 0945 8 719 072 76 DIODE SEL5E23C TP15 L1 lt SWITCH gt D946 8 719 072 76 DIODE SEL5E23C TP15 El 5991 1 771 516 11 SWITCH PUSH DETECTION 1 KEY FL901 1 517 804 11 INDICATOR TUBE FLUORESCENT 1 671 115 21 SW BOARD lt C gt lt CONNECTOR gt 1901 8 759 572 22 IC 5 9202 0205 1 CN601 1 506 486 11 PIN CONNECTOR 7P lt TRANSISTOR gt lt SWITCH gt 0921 8 29 027 56 TRANSISTOR DTC143TKA T146 0941 8 29 027 59 TRANSISTOR DTC144EKA T146 5601 1 572 126 21 SWITCH PUSH 1 KEY REC POSITION 0942 8 729 027 59 TRANSISTOR DTC144EKA T146 S602 1 572 126 21 SWITCH PUSH 1 KEY PACK OUT S604 1 771 264 11 SWITCH PUSH DETECTION 1 KEY lt RESISTOR gt PB POSITION R902 1 216 061 00 METAL CHIP 3 3K 5 1 10W R903 1 216 065 91 RES CHIP 4 7K 5 1 10W MISCELLANEOUS R904 1 216 073 00 METAL CHIP 10K 5 1 10W aes R905 1 216 085 00 METAL CHIP 33K 5 1 10W 2 1 783 140 11 WIRE FLAT TYPE 23 CORE R906 1 216 057 00 METAL CHIP 2 2 5 1 10W 3 1 783 139 11 WIRE FLAT TYPE 21 CORE 907 1 216 061 00 METAL CHIP 3 3K 5 1 10W 6 1 769 969 11 WIRE FLAT TYPE 13 CORE R908 1 216 065 91 RES CHIP 4 7K 5 1 10
48. ERAMIC CHIP O 1uF 25V FB223 1 216 295 91 SHORT 0 C821 1 163 038 91 CERAMIC CHIP O 1uF 25V FB505 1 216 295 91 SHORT 0 822 1 126 964 11 ELECT 10uF 20 50 FB601 1 500 445 21 FERRITE OUH C823 1 126 933 11 ELECT 100uF 20 16V FB602 1 500 445 21 FERRITE OUH FB603 1 500 445 21 FERRITE OuH C824 1 126 934 11 ELECT 220uF 20 10V 825 1 110 501 11 CERAMIC CHIP 0 33uF 10 16V FB607 1 216 295 91 SHORT 0 C826 1 163 009 11 CERAMIC CHIP A 0 001uF 10 50 FB608 1 216 295 91 SHORT 0 C831 1 163 038 91 CERAMIC CHIP 0 1uF 25V 0832 1 126 933 11 100 20 16 lt C gt C833 1 126 916 11 ELECT 1000uF 20 6 3V IC101 8 759 357 68 IC NJM2115M TE2 C841 1 126 933 11 ELECT 100uF 20 16 IC201 9 759 553 65 IG UDA1341TS N2 842 1 126 933 11 ELECT 100uF 20 16V 0301 8 759 822 09 IC LB1641 851 1 128 551 11 ELECT 22uF 20 63V 10501 8 749 923 05 TORX178A DIGITAL OPTICAL IN1 CD 852 1 165 319 11 CERAMIC CHIP O 1uF 50V IC502 8 749 923 05 TORX178A DIGITAL OPTICAL IN2 CS BS C853 1 126 967 11 ELECT 47uF 20 50 IC503 8 749 923 04 TOTX176 DIGITAL OPTICAL OUT 854 1 126 965 11 ELECT 22uF 20 35 10601 8 759 269 92 IC SN74HCUOA4ANS E20 C855 1 165 319 11 CERAMIC CHIP O tuF 50V IC701 9 759 585 60 M30624MG A01FP 856 1 165 319 11 CERAMIC CHIP 0 1uF 50V IC702 8 759 195 02 TC7S86F TE85L 861 1 128 551 11 ELECT 221 20 25 12821 8 759 445 59 IG 862 1 126 964 11 ELECT 10uF 20 50 10822 8 759 565 74 IC M62016FP E1 C
49. Hz IC201 BCK 22 581MHz IC201 SYSCLK DISPLAY SECTION mi 2 4MHz 901 5 MDS SD1 6 3 PRINTED WIRING BOARD BD SECTION e See page 32 for Circuit Boards Location BD BOARD SIDE A CM BOARD J 818E HR901 1 HEAD TI Page 49 A e Semiconductor Location Semiconductor Location Uf D 3 D 3 B 1 D 2 D 1 B 1 B 1 B 1 A 3 C 3 C 3 B 1 C 1 D 1 B 3 B 3 B 3 C 1 C 2 80 Page 49 40 MDS SD1 6 4 SCHEMATIC DIAGRAM BD 1 2 SECTION See page 38 for Waveforms See page 61 for IC Block Diagrams See page 64 for IC Pin Functions 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 OPTICAL PICK UP BLOCK A KMS 260A J1N NEAR 4 TEST PIN m FOR ADJUSTMENT A I N OVER WRITE HEAD 222
50. MAIN 209 4 900 590 01 SCREW PRECISION SMALL 268 4 996 256 11 SL BASE 269 4 996 257 01 RACK SL 256 4 996 258 01 SPRING COMPRESSION 270 4 996 263 01 SPRING CLV TORSION 257 4 996 262 01 GEAR 51 0 258 1 667 954 11 FLEXIBLE BOARD 211 4 988 560 01 SCREW P 1 7X6 259 4 996 253 12 BASE BU A 272 4 211 036 01 SCREW 1 7X2 5 PWH 260 8 583 028 02 OPTICAL PICK UP KMS 260A J1NP HR901 1 500 502 11 HEAD OVER LIGHT M101 4672 475 MOTOR ASSY SPINDLE 261 4 996 252 01 CHASSIS BU M102 4672 474 MOTOR ASSY SLED 262 4 996 254 01 BASE BU B 263 4 967 688 11 MAGNET ABSORPTION 5102 1 762 148 21 SWITCH PUSH 2 KEY 264 4 996 260 01 GEAR SL A 70 Note The components identified by mark ZA or dotted line with mark are critical for safety Replace only with part number specified When indicating parts by reference number please include the board name Ref No 101 102 103 C104 C105 C106 C107 C108 C109 C111 C112 C113 C115 C116 C117 C118 C119 C121 C122 C123 C124 C127 C128 C129 C130 C131 C132 C133 C134 C135 C136 C142 C143 C144 C146 C151 C152 C153 C156 C158 C160 C161 C163 Part No A 4699 893 A 1 125 022 11 1 163 038 91 19125 022 11 1 125 822 11 1 163 021 91 15109 215 11 1 163 038 91 1 163 038 91 1 163 037 11 1 164 344 11 1 163 017 00 1 109 982 11 1 164 489 11 1 163 037 11 1 163 809 11 1 163 038 91 19125 822
51. O Remove the solder Five portion Screw M1 7x4 17 3 5 SW BOARD AND LOADING MOTOR M103 Screw PTPWH M2 6x6 Gear B Two screws gt 1 7 4 SW board Two screws BTP2 6x6 18 SECTION 4 TEST MODE 4 1 PRECAUTIONS FOR USE OF TEST MODE As loading related operations will be performed regardless of the test mode operations being performed be sure to check that the disc 18 stopped before setting and removing it Even if the button is pressed while the disc is rotating during continuous playback continuous recording etc the disc will not stop rotating Therefore it will be ejected while rotating Be sure to press amp button after pressing the MENU NO button and the rotation of disc 1s stopped 4 1 1 Recording laser emission mode and operating buttons Continuous recording mode CREC MODE Laser power check mode LDPWR CHECK Laser power adjustment mode LDPWR ADJUST Traverse MO check EF MO CHECK Traverse MO adjustment EF MO ADJUST When pressing the button 4 2 SETTING THE TEST MODE The following are two methods of entering the test mode Procedure 1 While pressing the button and Im button connect the power plug to an outlet and release the ENTER YES button and m button When the test mode is set TEMP CHECK will be displayed Press the button to display Check Check will be displayed Rotating the
52. O button stop playback press the S but ton and test disc ON D CD Error Rate Check Checking Procedure Load a check disc MD TDYS 1 Rotate the knob and display MODE Press the ENTER YES button twice and display CPLAY MID The display changes to 88 AD SU Check that the C1 error rate is below 50 Press the MENU NO button stop playback press the but ton and the test disc D 5 6 6 Self Recording playback Check Prepare a continuous recording disc using the unit to be repaired and check the error rate Checking Procedure 1 Insert a recordable disc blank disc into the unit 2 Rotate the knob to display CREC MODE 3 Press the button to display the CREC MID 4 When recording starts 1s displayed this becomes 1s the address and recording starts About I minute later press the button to stop continuous recording Rotate the lt gt knob to display C PLAY MODE Press the ENTER YES button to display C PLAY MID CI u AD iii will be displayed Check that the C1 error becomes below 80 and the AD error below 2 10 Press the MENU NO button to stop playback and press the button and remove the disc COND 26 5 7 INITIAL SETTING OF ADJUSTMENT VALUE Note Mode which sets the adjustment results recorded in the non volatil
53. RESISTORS resistors are in ohms METAL Metal film resistor METAL OXIDE Metal Oxide film resistor F nonflammable Remark Ref No Part No C164 1 163 021 91 C167 1 163 038 91 C168 1 163 038 91 C169 1 125 822 11 10uF 20 10V C171 1 163 038 91 0 1uF 25V C181 1 104 913 11 10uF 2096 10V C183 1 163 038 91 10uF 2096 10V 0 01uF 10 50V C184 1 117 970 11 C185 1 164 611 11 0 001uF 5 50V C187 1 104 913 11 0 1uF 25V C188 1 163 021 91 0 1uF 25V 0189 1 163 989 11 0 022uF 10 25V 0 068uF 10 25V 0190 1 126 206 11 C191 1 163 038 91 0 0047uF 5 50V C196 1 163 038 91 1uF 10 10V G197 1 163 038 91 0 22uF 10 16V 0 022uF 10 25V 0 047uF 10 25V CN101 1 569 479 21 0 1uF 25V CN102 1 784 833 21 10uF 2096 10V CN103 1 784 834 21 10uF 2096 10V CN104 1 770 687 11 0 01uF 10 50 110 1 695 440 21 0 1uF 25V 0 1uF 25V 0 1uF 25V D101 8 719 988 61 0 01uF 10 50 D181 8 719 046 8386 0 47uF 10 16V D183 8 19 046 86 100PF 5 50V 0 015uF 5 50V 0 47uF 10 16V IC101 8 752 080 95 0 0047uF 5 50 10103 8 729 903 10 0 1uF 25V 121 8 752 389 44 0 1uF 25V IC123 8 759 096 87 10124 8 759 498 44 100uF 20 6 3V 100PF 5 50 10152 8 759 430 25 100PF 5 50V 171 8 759 487 04 100PF 5 50 0181 8 759 481 17 0 1uF 25V IC192 8 759 460 72 100uF 20 6 3V 0 1uF 25 0 01uF 10 50 L101 1 414 813 11 0 1uF 25V L102 1 414 813 11 0 0068uF 10 50 L103 1 414 813 11 L105 1 414 813 11 10uF 20 10V L106 1 414 813 11 10uF 20 10V 0 01uF 10 50 L121 1
54. SERVICE MANUAL Self Diagnosi Supported model MDS SD1 is the minidisc deck that can be used only with section CMT SD1 SD3 US and foreign patents licensed from Dolby Laboratories Licensing Corporation System Laser Laser output Recording time Sampling frequency Frequency response Input Output MICROFILM SONZ MDS SD1 AEP Model UK Model E Model MDM 5A MBU 5A SPECIFICATIONS MiniDisc digital audio system Semiconductor laser A 780 nm Emission duration continuous Max 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 a 7 mm aperture 74 minutes max using MDW 74 stereo 148 minutes max using MDW 74 monaural 44 1 kHz 20 20 000 Hz CD IN Optical DIGITA OPTICAL IN Optical MD WM LINK CONTROL I DIGITAL OUT Optica General Power requirements European model Other models Power consumption Dimensions Mass Supplied accessories KMS 260A J1N 230 V 50 60 Hz 220 240 V AC 50 60 Hz 10 W Normal 190 x 91 x 315 mm w h d incl projecting parts and controls Approx 2 4 kg Optical digital cord 1 Audio cords 2 System cable 1 MD Walkman cable 1 Designs and specifications are subject to change without notice MINIDISC DECK SONY SELF DIAGNOSIS FUNCTION The self diagnosis function consists of error codes for c
55. T 2 Press the button and select the TEMP ADJUST mode displayed 4 To save data press ENTER YES button When not saving the data press the MENU NO button will be displayed and turned back to TEMP ADJUST display then When the button is pressed TEMP AD JUST will be displayed immediatelly Specified Value 10 IF and 20 2F 5 10 LASER POWER ADJUSTMENT Check the IOP value of the optical pick up before adjustments Refer to 5 8 Recording and Displaying IOP Information Connection Laser power meter Optical pick up O objective lens Digital volt meter BD board 110 pin Ox per CN110 pin Adjusting Procedure Set the laser power meter on the objective lens of the optical pick up When it cannot be set properly press the button or button to move the optical pick up Connect the digital volt meter to CN110 pin 1 3 and CN110 pin 2 IOP 2 Rotate the knob and display LDPWR ADJUST Laser power For adjustment 3 Press the button once and display LD 0 9 mW 4 Rotate the knob so that the reading of the laser power meter becomes 0 85 to 0 91 mW Press the ENTER YES but ton after setting the range knob of the laser power meter and Un gt 5 C z A 0 un rg lt 6 Rotate the knob so that
56. TION OUT POSITION 6 14 PRINTED WIRING BOARD BD SWITCH SECTION e See page 32 for Circuit Boards Location ow BOARD e 5601 REC POSITION M103 LOABING MOTOR 5602 ee E PACK OUT Page 50 s Q o O HIC 5404 H PR on O 1 67 7 E 59 6 15 SCHEMATIC DIAGRAM ENCODER SECTION ENCODER BOARD 5981 09710 ALPS Page 45 6 16 PRINTED WIRING BOARD ENCODER SECTION See page 32 for Circuit Boards Location ENCODER BOARD 60 6 17 IC BLOCK DIAGRAMS BD Section IC101 CXA2523AR A a 5 oO lt lt 5 LL LL lt 405 440 mi 87 gt USRG DET EQ PP 1 eM WBL 35 ABCD 34 FE 33 AUX BPFC ES 82 ADFG 31 ADAGC 80 ADIN DET ADIP 29 ADFM WBL eS LE 1 ue 27 CSLED EFB TESW gt gt TE TEA WBL um 3T m vicow 25 WBLADJ EQ dem COMMAND BGR aT d APC DAL APCREF 12 PD 10 AUXSW GND 55 TEMPI gt TEMPR wb wb XLAT 55 XSTBY FOCNT VREF 13 EQADJ 3TADJ 3 vec G ie IC152 BH6511FS E2 lt lt 32 LL N D gt IN2R VM2 PGND2 OUT2R OUTIR PGND1 OUT1F LL LL N T
57. TOR SHORT 0 SHORT 0 SHORT 0 SHORT 0 SHORT 0 SHORT 0 SHORT 0 TRANSISTOR TRANSISTOR DTC144EKA T146 TRANSISTOR 2SD601A S TRANSISTOR 25C1623 L5L6 TRANSISTOR DTC144EKA T146 TRANSISTOR 2SK1828 TRANSISTOR 2SK1828 RESISTOR METAL CHIP 16 0 5 1 10W RES CHIP 100 5 1 10W METAL CHIP 16 0 5 1 10W RES CHIP 100 5 1 10W SHORT 0 RES CHIP 100 5 1 10W SHORT 0 METAL CHIP 5 6K 5 1 10W METAL CHIP 1K 5 1 10W METAL CHIP 330 5 1 10W METAL CHIP 180 5 1 10W METAL CHIP 10K 5 1 10W METAL CHIP 10K 5 1 10W RES CHIP 100K 5 1 10W ENCODER Ref No R781 R782 R783 R784 R787 R790 R792 R793 Part No 1 216 073 00 1 216 073 00 1 216 073 00 1 216 073 00 1 216 025 91 1 216 298 91 1 216 077 00 1 216 077 00 Description METAL CHIP METAL CHIP METAL CHIP METAL CHIP RES CHIP SHORT RES CHIP RES CHIP 10K 10K 10K 10K 100 0 15K 15K 5 5 5 5 5 5 5 Remark 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W 1 10W K KKK KK KK K K K K K C981 C982 5981 1 671 540 11 1 163 009 11 1 163 009 11 1 418 000 11 ENCODER BOARD K K KK K K K K lt CAPACITOR gt CERAMIC CHIP CERAMIC CHIP lt SWITCH gt 0 001uF 0 001uF 10 10 90V 50V ENCODER ROTARY WITH PUSH ROCK K K K KK K KK K K K KK K K K K K 0101 0102 0103 0111 0112 0151 0152 0153 0161 0162 0171 0201 0202 0203 0204
58. W 8 1 783 499 11 CORD POWER R909 1 216 073 00 METAL CHIP 10K 5 1 10W 14 1 569 972 21 SOCKET SHORT 2P R910 1 216 085 00 METAL CHIP 33K 5 1 10W 66 1 751 086 11 WIRE FLAT 13 CORE R921 1 216 025 91 RES CHIP 100 5 1 10W 260 8 583 028 02 OPTICAL PICK UP KMS 260A J1NP R922 1 216 025 91 RES CHIP 100 5 1 10W ZNGNJ802 1 526 794 11 OUTLET AC R923 1 216 025 91 RES CHIP 100 5 1 10W FL901 1 517 804 11 INDICATOR TUBE FLUORESCENT R924 1 216 025 91 RES CHIP 100 5 1 10W HR901 1 500 502 11 HEAD OVER LIGHT R931 1 216 061 00 METAL CHIP 3 3K 5 1 10W M101 4672 475 MOTOR ASSY SPINDLE R941 1 216 021 00 METAL CHIP 68 5 1 10W M102 4672 474 MOTOR ASSY SLED R942 1 216 021 00 METAL CHIP 68 5 1 10W M103 X 4949 264 1 MOTOR ASSY LOADING R944 1 216 034 00 METAL CHIP 240 5 1 10W 9102 1 762 148 21 SWITCH PUSH 2 KEY R945 1 216 034 00 METAL CHIP 240 5 1 10W T801 1 431 685 31 TRANSFORMER POWER The components identified by mark or dotted line with mark are critical for safety 16 Replace only with part number specified Ref No Part No Description Remark ACCESSORIES 8 PACKING MATERIALS KK K K K K K KK K K K K K K K K K 1 543 793 11 1 558 271 11 1 574 264 11 1 790 034 11 1 90 137 11 3 864 771 11 3 864 771 21 3 864 771 31 3 864 771 41 3 864 771 51 FILTER CLAMP FERRITE CORE CORD CONNECTION AUDIO 108cm CORD OPTICAL PLUG OPTICAL PLUG 60cm
59. a ka 2 22 17 1821 SS 0 0 B RIPPLE 5 22k 22k Si 10851 15V V 2 s 615 LINE AMP 898 3 3V REG FILTER NZ R841 11 1 R841 ES 24 5 5 22 L case Go R105 50V 50V 8816 185352TE R452 R402 5 3 5 0151 9101 A on EC i CIS2 L 25C3624A L16 25C3624A L16 4 7 1 87 T M J R156 47k R106 47k C401 C153 1800p C103 1800p 100p AC OUTLET AC IN UNSWITCHED TO 200W MAX HC8 581 581 ONLY Ep e 48 MDS SD1 6 8 PRINTED WIRING BOARD MAIN SECTION e Semiconductor e See page 32 for Circuit Boards Location Location MAIN BOARD e 12 gt OBI N 590 LVI TH c A Wii Q C C D D D D C B B E E E D D D B C F Page 57 B nn o 22 I aly m R Wu Tl umi D ST Z 2 Fe gt ZC I MONS pady DT pere s e 8720 52 15 NU G D TRANSFORMER PNE MI O1 O D I I D JO 4 N Page 60 D 5 6 B JE WF WN St WAG WEJ 3 gt e f e gt ill SS B Page 53 Page 40 A Page 40 C Page 59 49 3 MDS SD1 6 9 SCHEMATIC DIAGRAM PANEL SECTION e See page 38 for Waveforms
60. alue 10 Optical pick up label For details of the method for checking this value refer to 5 8 Hecording and Displaying IOP Information KMS260A 27X40 B0825 lop 82 5 mA in this case lop mA Digital voltmeter reading mV 1 Q 5 Press MENU NO button and display LDPWR CHECK and stop the laser emission The MENU NO button is effective at all times to stop the laser emission Note 1 After step 4 each time ENTER YES button is pressed needs to be performed here 5 6 3 Traverse Check Connection Oscilloscope BD board CN110 pin TE 04 04 110 pin O AE V 0 5 H 10 ms div Input mode Checking Procedure 1 Connect an oscilloscope to CN110 pin TE and CN110 pin D VO of the BD board 2 Load a disc any available on the market Refer to Note 1 3 Press the button and move the optical pick up out side the pit 4 Rotate the knob and display EF MO CHECK Laser power READ power Focus servo ON tracking servo OFF spindle 5 servo ON 6 Observe the waveform of the oscilloscope and check that the specified value is satisfied Do not rotate the knob Read power traverse checking Traverse Waveform Specified value Below 10 offset value 100 2 A B Offset value 8 Observe the waveform of the oscilloscope and check that the specified value is satisf
61. ational amplifier inversion input terminal Not used fixed at L RFsmioutmil 0 DT 0 MORF signatouputtrmint gt I I I I I I I I I I I I I I I I 64 1 701 M30610MC A01FP SYSTEM CONTROL LCON MAIN BOARD 1 wMOUT 0 MDWM LINK data out Li mex II MD WM LINK clock in 3 LEVELL Io LEVEL L DA output Not used 4 LEVELR Io LEVEL R DA output Not used 5 LEDDATA LED DRIVER DATA output Not used 7 LEDCLK LED DRIVER CLOCK output Not used 8 BYTE Data bus switching Fixed at L o 13 XOT Io Main clock output 10 MHz Main clock output 10 MHz Not used Fixed at H Power down detection MD WM LINK SYNC input BUSY output Not used mm wa Elevator control down output Not used Reset switch detection signal Not used 31 FDATA O FLD transmission data out 33 0 FLD transmission data clock out 34 FLCS OO FLD transmission data chip select out 38 HLU O Illumination output H Light up Main sensor detection signal Front panel open detection Sub sensor detection signal Not used 4 HEADOWN O Recording head control down output Not used 42 HEADP O Recording head control up output Not used 45 WMINV O MD WM LINK clock inverse signal output 46 LEDLATCH Io LED driver latch output Not used 471 OPTSELI O Optical input sel
62. board laser tap Optical pick up flexible board 5 4 PRECAUTIONS FOR ADJUSTMENTS 1 When replacing the following parts perform the adjustments and checks with O in the order shown in the following table Ej D101 IC101 ICI21 192 1 Initial setting of adjustment value 2 Recording of IOP information Value written in the pick up 3 Temperature compensation offset adjustment 4 Laser power adjustment 5 Traverse adjustment 6 Focus bias adjustment 1 Error rate check 8 Auto gain output level adjustment 2 Set the test mode when performing adjustments After completing the adjustments exit the test mode Perform the adjustments and checks in group 5 of the test mode 3 Perform the adjustments to be needed in the order shown 4 Use the following tools and measuring devices Check Disc MD TDYS 1 Parts No 4 963 646 01 Test Disk MDW 74 AU 1 Parts No 8 892 341 41 Laser power meter LPM 8001 Parts No J 2501 046 A Or MD Laser power meter 80105 Parts No J 2501 145 A NOTE Oscilloscope Measure after performing CAL of prove Digital voltmeter Thermometer Jig for checking BD board waveform Parts No J 2501 149 A 5 When observing several signals on the oscilloscope etc make sure that VC and ground do not connect inside the oscillo scope VC and ground will become short circuited 6 Using the above jig enables the waveform to be checked without
63. d Adjustments See page 8 5 6 1 Temperature Compensation Offset Check When performing adjustments set the internal temperature and room temperature to 22 to 28 C Checking Procedure Rotate the knob to display TEMP CHECK 2 Press the button 3 T OK should be displayed If T NG is displayed it means that the results are bad indicates the current value set and indicates the value written in the non volatile memory 5 6 2 Laser Power Check Before checking check the IOP value of the optical pick up Refer to 5 8 Recording and Displaying Information Connection Laser power meter Optical pick up d objective lens Digital volt meter BD board CN110 pin I 3V 0 4 9 CN110 pin IOP 4 o Checking Procedure Set the laser power meter on the objective lens of the optical pick up When it cannot be set properly press the 4 1 lt lt 1 button or button to move the optical pick up Connect the digital volt meter to CN110 pin 1 3 and CN110 pin 9 IOP 2 Then rotate the knob and display LDPWR CHECK 3 Press the button once and display LD 0 9 mW 0 84 to 0 92 mW 4 Press the ENTER YES button once more and display LD 7 0 digital volt meter satisfy the specified value Specified Value Laser power meter reading 7 0 0 2 mW Digital voltmeter reading Optical pick up displayed v
64. e memory to the initial setting value However the results of the temperature compensation offset adjustment will not change to the initial setting value If initial setting is performed perform all adjustments again excluding the temperature compensation offset adjustment For details of the initial setting refer to 5 4 Precautions on Adjustments and execute the initial setting before the adjustment as required Setting Procedure Rotate the knob to display ADJ CLEAR 2 Press the button Complete will be displayed momentarily and initial setting will be executed after which ADJ CLEAR will be displayed 5 8 RECORDING AND DISPLAYING THE IOP INFORMATION The IOP data can be recorded in the non volatile memory The IOP value on the label of the optical pickup and the IOP value after the adjustment will be recorded Recording these data eliminates the need to read the label on the optical pick up Recording Procedure 1 While pressing the ENTER YES button and O button con nect the power plug to the outlet and release the ENTER YES button and In button 2 TEMP CHECK will be displayed Press the MENU NO but ton to display Check 3 Rotate the knob to display Service and press the button 4 Rotate the knob to display Iop Write and press the button 5 The display becomes Ref is an arbitrary number and the numbers which can be changed will blin
65. e MD with another one Erase all the recorded contents of the MD using the Erase function on page 29 C41 Cannot Copy This unit complies with the Serial Copy Management System SCMS which limits the number of digital copies that can be made of any given digital audio source page 44 C71 Check OPT IN You tried to record from the digital component when no component is connected to AUX IN 2 jack or the digital component is not connected correctly Connect the digital component correctly to AUX IN 2 jack with a optical cable The power of the connected digital component is off Turn on the digital component Procedure for using the Self Diagnosis Function Error History Display Mode Note Perform the self diagnosis function in the error history display mode in the test mode The following describes the least required procedure Be careful not to enter other modes by mistake If you set other modes accidentally press the MENU NO button to exit the mode 1 While pressing the ENTER YES button and D button connect the power plug to the outlet and release the ENTER YES button and button TEMP CHECK will be displayed Press the button to display Check Rotate the knob and when Service is displayed press the ENTER YES button Rotate the knob and display ERR DP MODE Pressing the button sets the error history mode and displays total rec Select the contents to b
66. e displayed or executed using the knob Pressing the button will display or execute the contents selected Pressing the button another time returns to step 5 Pressing the button displays ERROR DP MODE and exits the error history mode 10 To exit the test mode press the button The unit sets into the STANDBY state the disc is ejected and the test mode ends OQ ta BO ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS Selecting the Test Mode Display Details of History total rec Displays the recording time Displayed as rLILILILILILIh The displayed time 1 the total time the laser 1 set to the high power state This is about 1 4 of the actual recording time The time is displayed in decimal digits from Oh to 65535h total play Displays the play time Displayed as pLILILILILILIh The time displayed is the total actual play time Pauses are not counted The time is displayed in decimal digits from Oh to 65535h retry err Displays the total number of retries during recording and number of retry errors during play Displayed as pL indicates the retries during recording while indicates the retry errors during play The number of retries and retry errors are displayed in hexadecimal digits from 00 to FF total err Displays the total number of errors Displayed as total L IL 1 The number of errors 1 displayed in hexadecimal digits from 00 to FF err history Displays the 10 latest
67. ection signal output Not used 48 DARST 0 A D D A reset signal output Not used Power on off output H POW 65 Detection signal from IN switch Detection signal form HOME switch Detection signal from OUT switch 54 LDIN O Loading motor in control 55 LDOUT O Loading motor out control 56 LD LOW O Loading motor voltage control output 57 LDON Io Laser power ON OFF Disc reflection rate detection Disc hole detection 60 PBP 1 Detection signal from playback position detection switch Detection signal from limit switch 65 Io High frequency superimposing ON OFF output 66 XLAT Io Latch signal output to serial pulse 67 WRPWR o BD light power ON OFF output 68 LODINGSEL LOADING SELECT input Fixed at L 69 L3MODE 1 AD DA MODE signal output Model selection Fixed at H Destination selection Fixed at H 72 SCIX O Timing for sending write data to CXD2654 CXD2654 interrupt status input Digital in sync input 7 DIGRST o CXD2654 motor driver reset signal Spindle servo lock status monitor 80 MNT2 I Command execution status monitor 83 SENSORSW 0 MAIN SENSOR waveform switching output Not used DISC5 IN SW Not used DISCI IN SW Not used 86 DISK2 I DISC2INSW Not used 8 SL 0 Clock signal to backup memory Data signal to backup memory 89 DISKA I DISC4IN SW Not used 90 DISK3 I DISC
68. en access completes the display changes to CREC 7 and lights up Note The numbers 2 displayed shows you the recording position addresses 3 Ending the continuous recording mode D Press the button The display changes to CREC MODE and goes off 2 Press the button to remove the disc Note 1 The recording start addresses for IN MID and OUT are as follows IN 40h cluster MID 300h cluster OUT 700h cluster Note 2 The button can be used to stop recording anytime Note 3 Do not perform continuous recording for long periods of time above 5 minutes Note 4 During continuous recording be careful not to apply vibration 4 5 3 Non Volatile Memory Mode EEP MODE This mode reads and writes the contents of the non volatile memory It is not used in servicing If set accidentally press the MENU NO button immediately to exit it 4 6 FUNCTIONS OF OTHER BUTTONS Sets continuous playback when pressed in the STOP state When pressed during continuous playback the tracking servo turns ON OFF Stops continuous playback and continuous recording The sled moves to the outer circumference only when this 18 pressed UK The sled moves to the inner circumference only when this is pressed SCROLL Switches between the pit and groove modes when pressed DISPLAY Switches the displayed contents each time the button is pressed Ejects the disc Exits the test mode 21 4 7 TEST MODE DISPLAYS Each ti
69. errors Displayed as EQ LJ indicates the history number The smaller the number the more recent is the error 00 is the latest indicates the error code Refer to the following table for the details The error history can be switched by rotating the knob 29 66 er refresh Mode which erases the err total err and err history histories When returning the unit to the after completing repairs perform this to erase the past error history After pressing the CD SYNC MD WM SYNC button and refresh is displayed press the button to erase the history Complete will be displayed momentarily Be sure to check the following when this mode has been executed The data has been erased The mechanism operates normally when recording and play are performed tm refresh Mode which erases the total rec and total play histories These histories serve as approximate indications of when to replace the optical pickup If the optical pickup has been replaced perform this operation and erase the history After pressing the button and tm refresh is displayed press the button to erase the history Complete will be displayed momentarily Be sure to check the following when this mode has been executed The data has been erased The mechanism operates normally when recording and play are performed Table of Error Codes Details of Error Details of Error mo erro
70. he gt knob is rotated The LED will stop reacting after the knob has been rotated to some extent This is not a fault 8 When bel ENTER YES button is pressed Check End will be displayed on the fluorescent indicator tube and the check mode ends edu SERVICING POSITION Remove the four screws securing the upper cover and remove the upper cover Undo the bound cables Remove the two screws securing the rear panel Remove the four screws securing the transformer Remove the screw securing the MAIN board Remove the MAIN board with the rear panel 12 RETRY CAUSE DISPLAY MODE In this test mode the causes for retry of the unit during recording can be displayed on the fluorescent indicator tube During playback the track mode for obtaining track information will be set This is useful for locating the faulty part of the unit The following will be displayed During recording and stop Retry cause number of retries and number of retry errors During playback Information such as type of disc played part played copyright These are displayed in hexadecimal Precedure 1 Load a recordable disc whose contents can be erased into the unit 2 Press the button When Edit Menu is displayed on the fluorescent indicator tube rotate the knob to display Erase Press the button When Erase 18 displayed on the fluorescent indicator
71. hown as follows GND Ground I 3V For measuring IOP Check the deterioration of the optical pick up laser IOP For measuring IOP Check the deterioration of the optical pick up laser TEO TRK error signal Traverse adjustment RF signal Check jitter VC Reference level for checking the signal Mechanism deck CN110 6P connector U 5P Connector N Fo 1 RF TEO MDM 3 O gt IOP V 5 43V TEO O IOP O 1011 VO o RF 143V Lo TEO jop MDM 5 GND 1 3V o 6 GND IOP DATA RECORDING AND DISPLAY WHEN PICKUP AND NON VOLATILE MEMORY IC171 OF BD BOARD ARE REPLACED The IOP value labeled on the pick up can be recorded in the non volatile memory By recording the value it will eliminate the need to look at the value on the label of the optical pick up When replacing the pick up or non volatile memory IC171 of BD board record the IOP value on the pick up according to the following procedure Record Precedure 1 R 8 9 While pressing the IENTER YES button and L1 button connect the power plug to the outlet and release the ENTER YES button and button TEMP CHECK will be displayed Press the button to display Check Rotate the knob to display Service and press the ENTER YES button Rotate the knob to display lop Write and press the
72. ical pick up OWH Overwrite head Temperature compensation offset check Laser power check Traverse check Focus bias check C PLAY check Self recording playback check NG Parts Replacement and Repair Check the sleding and spindle mechanisms Other causes can be suspected YES Has the OWH been replaced NO Has OP IC171 IC101 or IC121 been replaced YES Initial setting of the adjustment value NO Has OP or IC171 been replaced IOP information recording value labeled on OP Has IC171 or D101 been replaced YES NO Temperature compensation offset adjustment Laser power adjustment Traverse adjustment Focus bias adjustment Error rate adjustment Focus bias check Auto gain adjustment 28 5 2 PRECAUTIONS FOR CHECKING LASER DIODE EMISSINON To check the emission of the laser diode during adjustments never view directly from the top as this may lose your eye sight 5 3 PRECAUTIONS FOR USE OF OPTICAL PICK UP KMS 260A As the laser diode in the optical pick up is easily damaged by static electricity solder the laser tap of the flexible board when using it Before disconnecting the connector desolder first Before connect ing the connector be careful not to remove the solder Also take adequate measures to prevent damage by static electricity Handle the flexible board with care as it breaks easily pick up flexible
73. ied Do not rotate the knob Write power traverse checking Traverse Waveform Specified value Below 10 offset value 100 2 Offset value Then the optical pick up moves to the pit area automatically and servo 18 imposed 25 10 Observe the waveform of the oscilloscope and check that the specified value is satisfied Do not rotate the knob Traverse Waveform gt Specified value Below 10 offset value IA BI 2 A B Offset value X 100 11 Press the ENTER YES button display EF MO CHECK The disc stops rotating automatically 12 Press the button and remove the disc 13 Load the check disc MD TDYS 1 14 Roteto hel gt knob and display EF CD i 15 Press the button and display EFB ii Servo is imposed automatically 16 Observe the waveform of the oscilloscope and check that the specified value is satisfied Do not rotate the knob Traverse Waveform gt 1 WU IVAN Specified value Below 10 offset value 100 2 A B Offset value 17 Press ENTER YES button and display EF CD CHECK 18 Press the button and remove the check disc MD TDYS 1 Note 1 MO reading data will be erased during if a recorded disc is used in this adjustment Note 2 If the traverse waveform is not clear connect the oscillo scope as shown
74. ified value is satisfied as much as possible Traverse Waveform 1 Specification A B 18 Press the button display EFB ii SAVE for a moment and save the adjustment results in the non volatile memory Next EF CD ADJUST will be displayed 19 Press the button and remove the check disc MD TDYS 1 Note 1 MO reading data will be erased during if a recorded disc is used in this adjustment Note 2 If the traverse waveform is not clear connect the oscillo scope as shown in the following figure so that it can be seen more clearly Oscilloscope BD board 330 110 pin TE 0 W Ge O CN110 pin VC o x PRIE 5 12 FOCUS BIAS ADJUSTMENT Adjusting Procedure 1 Load a test disk MDW 74 AU 1 2 Rotate the knob and display MODE 3 Press the button and d CPLAY 4 Press the button when CI 9 AD i Is displayed Rotate the knob and display FBIAS ADJUST 6 Press the button and display HGHG a iU The first four digits indicate the error rate the two digits after indicate ADER and the 2 digits after a indicate the focus bias value 7 Rotate the knob in the clockwise direction and find the focus bias value at which the C1 error rate becomes 220 Refer to Note 2 8 Press the ENTER YES button and display 9 Rotate the knob in the counterclockwise direction and find the
75. imal display into binary display If more than two causes they will be added Example When 42 is displayed Higher bit 4 0100 b6 Lower bit 2 0010 bl In this case the retry cause is combined of CLV unlock and ader5 When A2 is displayed Higher bit 1010 b7 b5 Lower bit 2 2 0010 b2 The retry cause in this case is combined of access fault IVR rec error and ader5 equ Reading the Track Mode Display Higher Bits Lower Bis Hexadecimal 8 4 2 1 4 2 98 B x bz br bo 40004 Binary 9 0101010101011 Ol jEmphsisOFF EmphasisoN 0101010100110 02 Momus Details 0 0 04 _ This is 2 bit display Normally 01 0101010111010101 08 01 Normal audio Others Invalid 9 01011 01010 0 10 e 0 01110 01010 0 20 Oa 7 Digital copy 0 1 010 0 010 0 40 Copyright 7 8 Reading the Display Convert the hexadecimal display into binary display If more than two causes they will be added Example When 84 is displayed Higher bit 8 1000 07 Lower bit 4 0100 52 In this case as b2 and b7 are 1 and others are 0 it can be determined that the retry cause Is combined of emphasis OFF monaural original copyright exists and write allowed Example When 07 is displayed Higher bit 0 1000 All 0 Lower bit 7 0111 b0
76. ion Remark Ref No Part No Description Remark C503 1 163 038 91 CERAMIC CHIP 0 1uF 25V D812 8 19 200 82 DIODE 11ES2 504 1 163 121 00 CERAMIC CHIP 150PF 5 50V D815 8 719 016 74 DIODE 155352 C505 1 163 121 00 CERAMIC CHIP 150PF 5 50V C506 1 163 038 91 CERAMIC CHIP 0 1 25V D816 8 719 016 74 DIODE 155352 D821 8 719 988 61 DIODE 155355 17 C507 1 163 038 91 CERAMIC CHIP 0 1uF 25V D823 8 19 200 82 DIODE 11ES2 C508 1 126 934 11 ELECT 220uF 20 10V D824 8 719 988 61 DIODE 155355 17 C509 1 163 038 91 CERAMIC CHIP 0 11 25V D851 8 19 200 82 DIODE 11ES2 C601 1 163 038 91 CERAMIC CHIP 0 1uF 251 602 1 163 231 11 CERAMIC CHIP 15PF 5 50V D852 8 19 976 96 DIODE DTZ4 7C 0861 8 719 988 61 DIODE 1SS355TE 17 C603 1 163 231 11 CERAMIC CHIP 15PF 5 50V C702 1 163 038 91 CERAMIC CHIP O 1uF 25V GROUND PLATE 0703 1 163 038 91 CERAMIC CHIP 0 1uF 29V 0704 1 163 019 00 CERAMIC CHIP 0 0068uF 10 50V EP801 4 962 200 11 PLATE TR GROUND 0706 1 163 038 91 CERAMIC CHIP O 1uF 25V FERRITE BEAD C793 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V A C801 1 113 920 11 CERAMIC 0 0022uF 20 250 FB201 1 500 445 21 FERRITE OUH A C802 1 113 920 11 CERAMIC 0 0022uF 20 250V FB202 1 216 295 91 SHORT 0 C811 1 126 939 11 ELECT 10000uF 20 16 FB204 1 216 295 91 SHORT 0 C813 1 163 038 91 CERAMIC CHIP O 1uF 25V FB221 1 216 295 91 SHORT 0 FB222 1 216 295 91 SHORT 0 C814 1 163 038 91 CERAMIC CHIP O 1uF 25V 815 1 163 038 91 C
77. k 6 Input the IOP value written on the optical pick up To select the number Rotate the knob To select the digit Press the but ton 7 When the button is pressed the display becomes Measu is an arbitrary number 8 As the adjustment results are recorded for the step 7 value Leave it as it is and press the button 9 Complete will be displayed momentarily The value will be recorded in the non volatile memory and the display will become Write Display Procedure 1 Rotate the knob to display Top Read 2 15 displayed and the recorded contents displayed indicates value labeled on the pick up indicates the Iop value after adjustment 3 To end press CD SYNC MD WM SYNC button or MENU button to display Read 5 9 TEMPERATURE COMPENSATION OFFSET ADJUTMENT Save the temperature data at that time in the non volatile memory as 25 C reference data Note 1 Usually do not perform this adjustment 2 Perform this adjustment an ambient temperature of 22 C to 28 C Perform it immediately after the power is turned on when the internal temperature of the unit is the same as the ambient temperature of 22 C to 28 C 3 When D101 has been replaced perform this adjustment after the temperature of this part has become the ambient temperature Adjusting Procedure 1 Rotate the knob and display TEMP ADJUS
78. knob switches between the following four groups Check Adjust Service Develop Procedure 2 While pressing the button connect the power plug to the outlet and release the button When the test mode is set TEMP CHECK will be displayed By setting the test mode using this method only the Check group of method 1 can be executed 4 3 EXITING THE TEST MODE Press the button in the mode other than TEMP CHECK The disc is ejected when loaded and Standby display blinks and STANDBY state 1s set 4 4 BASIC OPERATIONS OF THE TEST MODE operations are performed using the knob button and button The functions of these buttons are as follows Function name Function knob Changes parameters and modes ENTER YES button Proceeds onto the next step Finalizes input MENU NO button Returns to previous step Stops operations 19 4 5 SELECTING THE TEST MODE There are 31 types of test modes as shown below The groups can be switched by rotating the knob After selecting the group to be used press the button After setting a certain group rotating the knob switches between these modes Refer to Group in the table for details selected items used for servicing can be treated using group S So be carefully not to enter other groups by mistake Lo EF CD CHECK Traverse CD check FBIAS CHECK Focus bias check
79. lacement Never reuse a disconnected chip component Notice that the minus side of a tantalum capacitor may damaged by heat Flexible Circuit Board Repairing Keep the temperature of soldering iron around 270 C during repairing Do not touch the soldering iron on the same conductor of the circuit board within 3 times Be careful not to apply force on the conductor when soldering or unsoldering MODEL IDENTIFICATION Specification Label Parts No MODEL PARTS No AEP UK model 4 212 572 10 SP HK model 4 212 572 2L Abbreviation HK Hong Kong model SP Singapore model TABLE OF CONTENTS 1 SERVICING NOTE _ 2 GENERAL 3 DISASSEMBLY Koc 222 Front Panel uuu u GAGA WAGA 3 3 Slider 3 4 Base Unit and BD Board 3 5 SW Board and Loading Motor M103 4 TEST MODE Eu Arun 5 ELECTRICAL ADJUSTMENTS 6 DIAGRAMS 6 1 Circuit Boards Location acute vod Eb vet Fat oai SEE raa 6 2 Block Diagrams ero NC T S Man SECON R NA 6 3 Printed Wiring Board BD Section 6 4 Schematic Diagram BD 1 2 Section 6 5 Schematic Diagram BD 2 2 Section
80. me DISPLAY button is pressed the display changes in the following order 1 Mode display Displays TEMP ADJUST etc Sp ays Mode display 2 Error rate display Displays the error rate in the following way 0 11 CI Indicates the error AD Indicates ADER Error rate display Address display Auto gain display Not used in servicing 3 Address display The address is displayed as follows MO recordable disc CD playback only disc Pressing the button switches between the group display and bit display 00008 0000 MO pit and CD h 0000a 0000 MO groove h Indicates the header address s Indicates the SUBQ address a Indicates the ADIP address Detrack check display Not used in servicing IVR display Not used in servicing Note is displayed when servo is not imposed 4 Auto gain display Not used in servicing The auto gain is displayed as follows AG 00 00 BD 1 5 Detrack check display Not used in servicing The detrack is displayed as follows 0000000 6 IVR display Not used in servicing The IVR is displayed as follows OOO ONO MEANINGS OF OTHER DISPLAYS Contents Display When Lit When Off 00 SECTION 5 ELECTRICAL ADJUSTMENTS 5 1 PARTS REPLACEMENT AND ADJUSTMENT Check and adjust the MDM and MBU as follows The procedure changes according to the part replaced Abbreviation OP Opt
81. ontrol voltage input terminal of internal circuit BPF22 BPF3T EQ 70 _ Reference voltage ouput eminal Notused open ener terminal for the intemal ru EQ 1 Cemer frequency ams terminal for the intemal ciut 7 powersupoytemina 8334 7 1 Center seting terminal for the intemal Tracking eror signal output the CXD2652AR GI Connected to the extemal capacitor for low pass filter of the sled error sieral 70 Sted error signal ouput 1o the CXD2652AR 0 0 FM Sama ADP O 1 Receives a ADIP FM sieralinAC couplage OOo O OO Connected o the external capacitor for ADIPAGC ADIP duplex signal 22 05 kHz KHz output to the CXD2652AR CIL Focus error signal ouput to the CXD2652ARGCI2D Light amount signal ABCD output the CXD2652AR 02120 rie amoun signal RFJABCD bottom hold output io the CXDZGSZARICI21 Light amount signal RP ABCD peak hold output the CXD2652AR Playback EFM RF signal output to the CXD2652AR GI Connected to the extemal capacitor for RP auto gain control et DT Receives a RF signal in AC coupling 000 er comparator owput terminal Sur 1 User comparator input terminal Geda L Connected to the external capacitor for cutting the low band of the ADIP amplifier User operational amplifier output ERN User oper
82. play CPLAY MODE 3 Press the button to change the display to CPLAY MID Note The numbers 2 displayed show you error rates and ADER 2 Changing the parts to be played back D Press the button during continuous playback to change the display as below CPLAY MID CPLAY OUT CPLAY IN When pressed another time the parts to be played back can be moved Note The numbers 2 displayed show you error rates and ADER 3 Ending the continuous playback mode D Press MENU NO button The display will change to CPLAY MODE 2 Press the button to remove the disc Note The playback start addresses for IN MID and OUT are as follows IN 40h cluster MID 300h cluster OUT 700h cluster 4 5 2 Operating the Continuous Recording Mode Use only when performing self recording palyback check Entering the continuous recording mode 1 Set a recordable disc in the unit 2 Rotate the knob and display MODE 3 Press the button to change the display to CREC MID 4 When access completes the display changes to CREC 7 and lights up Note The numbers 2 displayed shows you the recording position addresses 2 Changing the parts to be recorded D When the button is pressed during continuous recording the display changes as below CPLAY MID CPLAY OUT CPLAY IN When pressed another time the parts to be recorded can be changed goes off 2 Wh
83. r PTOC cannot be read Cannot focus Servo has deviated DISC ejected Recording retry Disc error UTOC error Recording retry error DISC not ejected Playback retry error Loading error Access error Address cannot be read Servo has deviated Play retry error C2 error CAUTION Danger of explosion if battery is incorrectly replaced Replace only with the same or equivalent type recommended by the equipment manufacturer Discard used batteries according to manufacture s instructions ADVARSEL Lithiumbatteri Eksplosionsfare ved fejlagtig h ndtering Udskiftning ma kun ske med batteri af samme fabrikat og type Lev r det brugte batteri tilbage til leverandgren ADVARSEL Eksplosjonsfare ved feilakting skifte av batteri Benytt samme batteritype eller en tilsvarende type anbefalt av apparatfabrikanten Brukte batterier katterier kasseres 1 henhold til fabrikantens VARNIG Explosionsfara vid felaktigt batteribyte Anv nd samma batterityp eller en likvardig typ som rekommenderas av apparattillverkaren Kassera anv nt batteri enligt g llande f reakrifter VAROITUS Parist voi r j ht jos se on virheellisesti asennettu Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin H vit k ytetty paristo valmistajan ohjeiden mukaisesti SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK A OR DOTTED LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL
84. sfactory Check if the overwrite head is distorted Check the mechanism around the sled TEMP check e Unsatisfactory if displayed as T HH NG Check for disconnection of the circuits around D101 Temperature NG BD board compensation 2 HH are both arbitrary numbers e Check the signals around 1 101 1 121 CN102 offset check CN103 BD board 5 6 1 See page 25 Note The criteria for determination above is intended merely to determine if satisfactory or not and does not serve as the specified value for adjustments When performing adjustments use the specified values for adjustments FORCED RESET The system microprocessor can be reset in the following procedure Use these procedure when the unit cannot be operated normally due to the overrunning of the microprocessor etc Procedure Short circuit jumper wire of JW40 and JW41 RESET MAIN BOARD Component Side 3 JW40 IC821 A JW42 CLEANING OF OBJECTIVE LENS OF OPTICAL PICKUP When cleaning the objective lens of the optical pickup move the mechanism deck using the following method 1 If a disc is inside eject it out 2 Disconnect the power cord from the outlet and set the non conducted state 3 Using a pair of tweezers while pulling the claw at towards B move part in direction 4 Move part to a position which allows it to be cleaned easily and clean Objective lens of optical pick up
85. ton is pressed Complete will be displayed momentarily The value will be recorded in the non volatile memory and the display will become Write Note 1 After step 4 each time the ENTER YES button is pressed needs to be performed here 5 11 TRAVERSE ADJUSTMENT Connection Oscilloscope BD board CN110 3 CN110 O VC a L V 0 5 H 10 ms div Input DC mode Adjusting Procedure 1 Connect an oscilloscope to CN110 pin 3 TE and CN110 pin CD VO of the BD board 2 Load a disc any available on the market Refer to Note 1 Press hel gt gt button and move the optical pick up out side the pit Rotate the knob and display EF MO ADJUST W NA Ss un Un 5 T 7 z 2 2 T 92 5 3 un js lt Es w Il lt Laser power READ power Focus servo ON tracking servo OFF spindle 5 servo ON Rotate the knob so that the waveform of the oscillo scope becomes the specified value QN and the waveform changes In this adjustment waveform var ies at intervals of approx 2 Adjust the waveform so that the specified value is satisfied as much as possible Read power traverse adjustment Traverse Waveform Specification A B 7 Press the ENTER YES button and save the result of adjustment 8 Rotate the knob so that the
86. ustomers which are displayed automatically when errors occur and error codes which show the error history in the test mode during servicing For details on how to view error codes for the customer refer to the following box in the instruction manual For details on how to check error codes during servicing refer to the following Procedure for using the Self Diagnosis Function Error History Display Mode Self diagnosis Display This system has the Self diagnosis display function to let you know if there is a system malfunction The display shows a code made up of three letters and a message a ternately to show you the problem To solve the problem refer to the foliowing list If any problem persists consult your nearest Sony C11 Protected The MD is protected against erasure Remove the MD and slide the tab to close the slot page 16 C12 Cannot Copy The MD is an incompatible format type Change the MD with another one C13 REC Error Recording is not possible Move the system to a stable place and dealer start recording over from the beginning The MD is dirty or is scratched or the MD does not meet the standards 3Change the MD with another one and start recording over from the beginning C13 Read Error The MDS SD1 cannnot read the disc information correctly the MD once then insert it again C14 Toc Error The MDS SDI cannnot read the disc information correctly Change th
87. waveform of the oscillo scope becomes the specified value and the waveform changes In this adjustment waveform var ies at intervals of approx 2 Adjust the waveform so that the specified value is satisfied as much as possible Write power traverse adjustment Traverse Waveform Specification A B 9 Press the ENTER YES button and save the adjustment results The optical pick up moves to the pit area automatically and servo is imposed 28 11 Rotate the knob until the waveform of the oscillo scope moves closer to the specified value In this adjustment waveform varies at intervals of approx 2 Adjust the waveform so that the specified value is satisfied as much as possible Traverse Waveform Specification A B 12 Press ENTER YES button and save i adjustment results in the non volatile memory EFB i SAVE will be dis played for a moment Next EF MO ADJUST 18 displayed The disc stops rotating automatically 13 Press the button and remove the disc 14 Load the check disc MD TDYS 1 15 Roteto knob and display EF CD ADJUST 16 Press the ENTER YES button and display EFB 00 CD Servo is imposed automatically 17 Rotate knob so that the waveform of the oscillo scope moves closer to the specified value In this adjustment waveform varies at intervals of approx 2 Adjust the waveform so that the spec
88. y not have been car ried out properly Adjust perform the beginning again 5 15 AUTO GAIN CONTROL OUTPUT LEVEL ADJUSTMENT Be sure to perform this adjustment when the pickup is replaced If the adjustment results becomes Adjust NG the pickup may be faulty or the servo system circuits may be abnormal 5 15 1 CD Auto Gain Control Output Level Adjustment Adjusting Procedure 1 Insert the check disc MD TDYS 1 2 Rotate the knob to display Set CD 3 When the button 18 pressed the adjustment will be performed automatically Complete will then be displayed momentarily when the value Is recorded in the non volatile memory after which the display changes to AG Set CD 4 Press the amp button to remove the disc 5 15 2 MO Auto Gain Control Output Level Adjustment Adjusting Procedure 1 Insert the reference disc MDW 74 AU 1 for recording 2 Rotate the knob to display Set MO 3 When the button is pressed the adjustment will be performed automatically Complete will then be displayed momentarily when the value is recorded in the non volatile memory after which the display changes to AG Set 4 Press the button to remove the disc 30 5 15 ADJUSTING POINTS AND CONNECTING POINTS BD BOARD SIDE A BD BOARD SIDE B is useful to use jig for checking the waveform Refer to Servicing Note

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