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Sony MDS-S50 User's Manual

1. WRITE PROTECT ATRAC ENCODER DECODER 0151 1 2 1 151 1 2 2 lt GEIB GRE ADDT 09 A DATAI Page39 10181 0181 182 m 63 NC aa OVER WRITE HEAD s T PCO CONVERTER 24 NC RECEIVER DIGITAL IN Lu PLL NC OPTICAL 5 c E 2 om ue ge 5 5 eo eu 5 gt ete aid E OPTICAL PICK UP 08 07 RF AMP ASYO uo m DIGITAL pp AUDIO of FOCUS TRACKING ERROR AMP 63 lt lt 5 ii 0 KMS 260B 260E 5 IC101 INTERFACE DOUT D 64 ASYI m DADT MPA 9 RFO AGC RFAGC RF RFI 7 06 2 2 46 gt gt 40 amp EQ 8 9 gt 6 8 LACK H FS256 29 NC DADT LRCK WBL B B P F AUX 85 Ui gy DK 6 C PEAK amp 87 GENERATOR 47 pram 1 Page39 Bes 36 0153 c SUBCODE INTERNAL BUS 2 i a ADIP PROCESSOR a jo mE 8 DEMODULATOR 5 DECODER au gt JL 2 eS ABCD g a E 6 m 88 CPU MONITOR T 85 0 5 INTERFACE CONTROL FOCUS SPINDLE EL D
2. K KK K Remarks 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 4W 1 10W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 4W 1 4W 1 16W 1 16W 1 16W 1 16W C709 C751 C753 C761 C762 C763 C760 C764 C765 C766 0767 0769 0781 0782 0775 CN701 CN710 FL 50 IC760 781 0767 0775 R702 R703 R704 R705 R706 R712 R713 R714 R715 R716 R760 R761 R762 R763 7 R769 R775 Part No A 2007 907 A A 2007 911 A A 2007 915 A 4 212 590 22 4 949 935 41 1 164 159 11 1 124 261 00 1 124 261 00 1 162 294 31 1 162 294 31 1 162 294 31 1 164 159 11 1 164 159 11 1 126 153 11 1 164 159 11 1 162 294 31 1 162 215 31 1 124 584 00 1 162 306 11 8 719 046 39 1 779 552 21 1 785 712 11 1 517 986 11 8 759 659 03 8 759 826 33 8 729 900 74 8 729 900 80 1 249 421 11 1 247 843 11 1 249 425 11 1 249 429 11 1 249 435 11 1 249 421 11 1 247 843 11 1 249 425 11 1 249 429 11 1 249 435 11 1 247 807 31 1 247 807 31 1 247 807 31 1 247 807 31 1 249 441 11 1 247 843 11 1 249 409 11 Description Remarks
3. ss ne s 20 N es ef 5V R801 10k R808 220 807 220 DATA AM lt BATAY POWER K O n 1 BUSY J800 PC LINK 00 1803 0800 JUMPER 0 1 44 44 14 BOARD CN921 Page49 MDS JE470 6 8 PRINTED WIRING BOARD MAIN SECTION lt See page 36 for Circuit Board Location There are a few cases that the part isn t mounted in model is printed on diagram Cl 4 2 8 15 lt 7 J 8 94 tH 12 DISPLAY Semiconductor Location BD BOARD A CN102 Page40 17 LOTT N E ERES Sa oN Y AAN 28 bes mm S 503 6 BD BOARD SN MET a 151818151818 4 SANT gt CN103 5 5 5 Le CHASSIS N ML H MAIN BOARD gt Page40 kke ee m d Xy gt 122 F7 2106 l V T 40 22 AA La 425222114 MMMM DO NONON P E E E F F E D D D D G G G G m Ld 2 WA 6 N cc 4 le e lo lo lo c V JAN 56 i 4 o t i EN 4 W198 P 0
4. O y j pm E ef AUS gt M AE TE 1 681 735 12 DIGITAL DHO ils 12 IN of R R w OPTICAL ANALOG ANALOG OO OUT IN 1800 1300 ie a awe DM OS RSF 2 ad 45 45 MDS JE470 6 9 PRINTED WIRING BOARD DISPLAY SECTION See 36 for Circuit Board Location ____1 22 j 3 4 5 6 7 j 9 50 DISPLAY BOARD 4 0760 C I E y gt 8 JW782 1 681 736 Semiconductor Location KEY SW BOARD 46 46 6 10 SCHEMATIC DIAGRAM DISPLAY SECTION MDS JE470 2 3 4 5 6 7 8 9 10 11 12 13 14 15 KEY SW BOARD DISPLAY BOARD 5724 LEVEL DISPLAY CHAR CN720 CN710 WS RUS UM UR 4 4 5723 1 L 0726 1 SEL5221S TP15 0 STANDBY lt 713 ENCODER EJECT 5 KKIAMS lt lt PUSH ENTER 0 AEP AUS HK SP UK SP 0726 on UN4211 0 1 S716 de S715 CHASSIS mi erc REC MODE INPUT CLEAR YES MENU NO R706 R705 R704 R703 R702 _ ______ _______
5. tree empfe opt ame mo ___ _ 48 KH MORFO Groove signal output e Abbreviation APC Auto Power Control AGC Auto Gain Control 4 4 4 4 4 52 MDS JE470 C151 CXD2662R Digital Signal Processor Digital Servo Signal Processor BD BOARD 2 MNTI SHCK Track jump detection signal output to the system control 5 Inte sate fescue command sieo o ETS GW OOOO 9 Sms Ima sans SENSE oupatio te sssem comol Reset signal input from the system control L Reset Subcode Q sync SCOR output to the system control L is output every 13 3 msec Almost all H is output Digital In U bit CD format or MD format subcode Q sync SCOR output to the system control Laser power switching input from the system control Recording L Playback 0 EN Serial data input LR clock input H Lch L R ch DasouputioiteDiscomener o oup tor tne AD e MATRE Bi coek ouput the AD and D A convener o naeemeekomu wwe o _ f DRAM a I O o _ _ Ground Digit oupa cratie oupa cam pue PRAM _ Address outputforDRAM 0 Rass RAS signal output for DRAM Write enable signal output fo
6. EP900 EARTH PLATE 6 CHASSIS LF900 LINE FILTER 1 1 3 3 13 RY910 RELAY D910 NOT REPLACEABLE gt 155133 72 BUILT IN TRANSFORMER C924 3 0 1 0 1 Note The components identified by mark dotted line with mark A are critical for Safety Replace only with part number specified Note Les composants identifi s par une marque A sont critiques pour la s curit Ne les remplacer que par une pi ce portant le num ro sp cifi 49 49 MDS JE470 MDS JE470 6 13 IC BLOCK DIAGRAMS IC151 CXD2662R BD BOARD 28255 O e N WwW 01 CXA2523AR BD BOARD NON 5 SPINDLE lt 5 2 x MNTO Dan 5 75 TE 2 lt cc MNT1 2 MONITOR 74 SE 43 M 40 mi 37 MNT2 x CONTROL S BLOCK 73 AVSS A MNT3 79 ADRB RFAGC EQ ADIP e DEMODULATOR D ADRT USRC t SWDT 5 DECODER 70 AVDD DET EQ Se om 69 ADIO BPF3T d AUX XLAT VC PEAK3T D N SRDT ON m AUX1 2 1 j SENS 9 3T WBL XRST 10 TE SUBCODE 69 Io t EFM ACIRC ENCODER DECODER WBL 35 ABCD 0 34 4 83 AUX IVR AA BPFC ABCDA ae SHOCK RESISTANT MEMORY CO
7. MDS JE470 5 13 FOCUS BIAS ADJUSTMENT Adjusting Procedure 1 Load a test disk MDW 74 GA 1 2 Rotate the knob and display CPLAY1 MODE Press the button and display CPLAY1 MID 4 Press the button when 0000 AD HH is displayed 5 Rotate the knob and display AD JUST 6 Press the button and display ifia The first four digits indicate the C error rate the two digits after indicate ADER and the 2 digits after a 2 indicate the focus bias value 7 Rotate 5 lt lt lt knob in the clockwise direction and find the focus bias value at which the C error rate becomes 220 W Refer to Note 2 8 Press the button and display 00 00 b DO 9 Rotate the KK AMS lt lt lt knob in counterclockwise di rection and find the focus bias value at which the C error rate becomes 220 10 Press the button and display F ES cou 11 Check that the C error rate is below 20 and ADER 15 00 Then press the YES ES button 12 If the in EE GE BO GHP is above 20 press the button If below 20 press the MENU NO button and repeat the from step 2 13 Press the amp EJECT button to remove the test disc Note 1 The relation between the C 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
8. Replace IC195 NO YES 5 7 INITIAL SETTING OF ADJUSTMENT VALUE Replace OP or IO195 See page 31 5 9 TEMPERATURE COMPENSATION OFFSET Replace IC101 IC195 or D101 ADJUSTMENT See page 31 Replace OP IC190 or IC195 5 10 LASER POWER ADJUSTMENT See page 31 NO Replace OP IC102 IC190 YES 5 11 Iop NV SAVE See page 32 or IC195 Dci NO 5 12 TRAVERSE ADJUSTMENT See page 32 Replace OP IC101 IC151 5 13 FOCUS BIAS ADJUSTMENT See page 33 or IC195 5 16 AUTO GAIN CONTROL OUTPUT LEVEL ADJUSTMENT See page 34 YES OP change in Err Display mode Replace OP write NO Replace the spindle motor B Spdl change in Err Display mode NO 5 6 4 Auto Check See page 29 End adjustments 26 5 2 PRECAUTIONS FOR CHECKING LASER DIODE EMISSION 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 260B 260E As the laser diode in the optical pick up 15 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 board
9. change 2 Press the YES button when the display changes to op change When Complete is displayed it means erasure has completed MDS JE470 spdl change Mode for erasing the total spdl rp tm time These histories are based on the time of replacement of the spindle motor If the spindle motor has been replaced perform this procedure and erase the history Procedure 1 Press the knob when displayed as spdl change 2 Press the button when the display changes to spdl change When Complete is displayed it means erasure has completed Table of Error Codes TABLE OF CONTENTS Error Code 1 SERVICING NOTES ied mE C ER 5 Timed out without reading the top of Could read top of PTOC but detected error 3 DISASSEMBLY Timed out without accessing UTOC E S 13 3 2 Upper Case 408226 uuu EE A 14 Timed out without reading UTOC AB oni Panel Section 14 Error in UTOC 2 4 BOSE eee bn E na aa E cena 15 Could not start playback 3 5 PT Board VOL SEL Board Mmode 15 3 6 Mechanism Deck Section MDM 7A 16 EHOSIDUSCCIOE 3 7 Over Light Head HR901 BD Board 16 Retry cause generated during normal recording 23 09 Holder u u Quan Met A ed 17 Retried in DRAM overflow 3 9 Loading Motor Assy M103 RR 17 3 10 Sled Motor Assy M102 Slide
10. 33k 10k 47k 3 3k 2 2k 5706 i 705 i 5701 4 exl med 0 1 2 BOARD CN3 Page43 gt uj 4 m 3 3V FL750 FLUORESCENT INDICATOR AC AC GND 10781 NJL73H400A REMOTE C76 0 CONTROL FL LED RECEIVER DRIVER R763 100 c ME 100 pan x K R761 100 vee R760 100 SFLCS DOWN C760 C761 C762 C763 R782 0 1 0001 0001 0001 100 R781 R77 n ES D775 3 2 SEL5821A TP15 PET 2 0767 25 1 UN4216 0775 FL DRIVE UN4211 LED DRIVE C767 CHASSIS MDS JE470 6 11 PRINTED WIRING BOARD POWER SECTION See page 36 for Circuit Board Location There are a few cases that the part isn t mounted in model is printed on diagram Py 1 1 5 1 1 1 1 1 9 ELA NG 5990 VOLTAGE SELECT PT BOARD E CHASSIS 48 VOL SEL BOARD 1115 48 6 12 SCHEMATIC DIAGRAM POWER SECTION a BOARD CN921 VOL SEL BOARD 5990 VOLTAGE SELECTOR 115V 230V EP EE SP JW903 MAIN BOARD 2 2 CN400 Page49
11. AUTO SCLK LOADING REFLECT 61 Q E SEQUENCER DTRF SWDT SIGNAL _ lt DIGITAL SERVO SDA 5 60 SDA o8 7 d 42 44 68 S102 gt gt PLAY ANALOG OUT TRK HF MODULE REFLECT PROTECT DETECT gt 85 IC151 2 2 0192 6 4950 REFELECT RATE A 10102 a131 134 38 gt REC DIGITAL IN LOW REFELECT UN PROTECT 38 MAIN SECTION A D D A CONVERTER 500 MDS JE470 e SIGNAL PATH 4300 gt _ gt PLAY ANALOG OUT ADDT ae eos EE NR ale 3 LINE AMP L REC ANALOG IN e ATTENUATOR BLOCK 2 0 lt Nn AUDIO INTERFACE AOUTL LOW PASS DADT BCK 2 5 gt 10360 42 1370 LRCK DADT DIGITAL ps ANALOG s ATTENUATOR CONVERTER OUT BCK SOFT MUTE BLOCK AOUTR 38 28 gt LOW PASS LRCK Li gt 199 18 0360 2 0370 2 MUTING SWDT SCLK SWDT Q181 281 D CONTROL l 9 056 0 Page38 1550 T X550 MUTING 45 1584MHz CONTROL SWITCH 19 0380 Z 1024FS Page38 REMOTE CONTROL RECEIVER 10 81 0382 W W 0381 POWER IIC CLK 40 99 24 3 4 3
12. laser tap Optical pick up flexible board 5 4 PRECAUTIONS FOR ADJUSTMENTS 1 When replacing the following parts perform the adjustments and checks with in the order shown in the following table 2 Set the test mode when performing adjustments After completing the adjustments exit the test mode Perform the adjustments and checks in group S 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 GA 1 Parts No 4 229 747 01 Laser power meter LPM 8001 Parts No J 2501 046 A or MD Laser power meter 8010S Parts No J 2501 145 A Oscilloscope Measure after performing CAL of prove Digital voltmeter Thermometer Jig for checking BD board waveform Parts No J 2501 196 A Adjustment 5 7 Initial setting of adjustment values 5 8 Recording of information 5 9 TEMP ADJUST 5 10 Laser power adjustment 5 11 lop NV Save 5 12 Traverse adjustment 5 13 Focus bias adjustment 5 16 Auto gain adjustment 5 6 4 AUTO CHECK MDS JE470 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 with out the need to solder Refer to Servicing Note on page 6 7 As th
13. 10 20 20 5 5 5 5 5 20 10 20 20 20 20 20 20 30 20 20 20 20 20 20 20 20 20 30 20 20 20 20 20 20 20 10 10 10 10 Remarks 50 16V 16V 50V 50V 50V 25 25 50V 50V 50V 50V 50V 25 50 50 25 25 50 50 50 50 50 25 50V 16V 16V 16V 16V 16V 50V 10V 16V 50V 16V 50V 6 3V 63V 50V 50V 50V 25V 25V 16V 16V 16V 16V 6 3V 50V 50V 10V 50V 16V 16V 10V 50V 50V 50V 50V 50V Ref No C520 C522 C523 C524 C530 C531 C532 C536 C550 C551 C552 C553 C554 C555 C556 C557 C601 C611 C612 C613 C651 C652 0657 0658 0800 0804 0814 CN2 03 CN400 CN406 D111 D112 D211 D212 D381 D382 D401 D402 D403 D404 D406 D408 D409 D411 D412 D421 D422 D431 D432 D433 D461 D462 D466 D467 Part No 1 126 934 11 1 164 159 11 1 104 665 11 1 164 159 11 1 164 159 11 1 164 159 11 1 164 159 11 1 164 159 11 1 164 159 11 1 104 665 11 1 164 159 11 1 162 195 31 1 162 294 31 1 162 201 31 1 162 215 31 1 162 199 31 1 162 306 11 1 164 159 11 1 126 963 11 1 162 306 11 1 164 159 11 1 164 159 11 1 164 159 11 1 164 159 11 1 164 159 11 1 164 159 11 1 164 159 11 1 784 417 11 1 779 295 11 1 794 175 11 1 691 772 11 1 568 683 11 8 719 911 19 8 719 911 19 8 719 911 19 8 719 911 19 8 719 911 19 8 719 911 19 8 7
14. 62 Remarks 71 4 1 The components identified by mark or dotted line with mark A are critical for safety Replace only with part number specified Part No 4 232 270 01 4 226 990 01 4 227 023 01 4 227 004 01 4 227 005 01 4 227 009 01 4 227 008 01 1 500 670 11 4672 898 4735 076 4735 074 1 771 957 11 Les composants identifies par une marque A sont critiques pour la s curit Ne les remplacer que par une piece portant le num ro Description Remarks SCREW 1 7X3 5 PWH BASE BU A SPRING SPINDLE TORSION GEAR LC GEAR LD GEAR SD GEAR SC HEAD OVER LIGHT MOTOR ASSY SPINDLE MOTOR ASSY SLED MOTOR ASSY LOADING SWITCH PUSH 2 KEY REFLECT PROTECT SW MDS JE470 SECTION 8 ELECTRICAL PARTS LIST NOTE Due to standardization replacements in the COILS When indicating parts by reference number parts list may be different from the parts uH WH specified in the diagrams or the components SEMICONDUCTORS The components identified by mark dotted line with mark A are critical for safety Replace only with part number specified used on the set X mean standardized parts so they may have some difference from the original In each case for example UPA UPA uPB UPC UPC one uPD UPD Les composants identifi s par une marque tems
15. SERVICE MANUAL Self Diagnosi Supported model Ver 1 0 2001 05 US and foreign patents licensed form Dolby Laboratories Licensing Corporation System Disc Laser Laser output 9 873 891 11 2001E0200 1 1 This output is the value measured at a distance of 200 mm from the objective lens surface on the Optical Pick up Block with 7 mm aperture Laser diode Revolutions CLV Error correction Interleave Reed Solomon Code Sampling frequency 44 1 kHz Coding ATRAC Adaptive TRansform Acoustic Coding ATRAC 3 Modulation system EFM Eight to Fourteen Modulation 2 stereo channels 5 to 20 000 Hz 0 3 dB Over 96 dB during play Below measurable limit Number of channels Frequency response Signal to noise ratio Wow and flutter Sony Corporation Home Audio Company Shinagawa Tec Service Manual Production Group MiniDisc digital audio Inputs System ANALOG IN MiniDisc Semiconductor laser 2780 nm Emission duration continuous MAX 44 6 WW DIGITAL OPTICAL IN Material GaAlAs Outputs 400 rpm to 900 rpm ACIRC Advanced Cross ANALOG OUT MDS JE470 US Model Canadian Model AEP Model UK Model Model Australian Model Model Name Using Similar Mechanism MDS S50 MD Mechanism Type MDM 7A Optical Pick up Type KMS 260B 260E SPECIFICATIONS Jack type phono Impedance 47 kilohms Rated input 500 mVrms Minimum input 125 mVrms Connector type square optical Impedanc
16. tapping MDS JE470 19 MDS JE470 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 is 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 the 2 EJECT button after pressing the button and the rotation of disc is stopped 4 1 1 Recording laser emission mode and operating buttons Continuous recording mode CREC C35 Laser power check mode LDPWR CHECK C13 Laser power adjustment mode LDPWR ADJUS C04 check lop Compare C27 value nonvolatile writing lop NV Save C06 Traverse MO check EF MO CHECK C14 Traverse MO adjustment EF ADJUS C07 When pressing the button 4 2 SETTING THE TEST MODE The following are two methods of entering the test mode Procedure 1 While pressing thel KKI AMS DP knob and button connect the power plug to an outlet and release the lt lt AMS lt lt lt knob and button When the test mode is set Check will be displayed Rotating the knob switches between the following three groups Check Service Develop gt Proc
17. 50V 10V 50V 50V 50V 50V 50V 50V 16V 50V 50V 16V 50V 50V 50V 50V 50V 50V 50V 460 465 IC1 10310 10360 10370 10401 10406 10411 16421 16440 16500 1550 16600 16611 J300 J800 L555 L611 L653 657 L804 Q181 Q281 Q380 0440 0445 0490 0911 R17 R21 R22 R23 R28 R41 R44 R46 R49 1 3 R55 R61 R87 R88 R90 R92 R93 Part No 1 414 093 11 1 414 093 11 6 800 020 01 8 759 634 51 8 759 634 51 8 759 634 51 8 759 445 59 8 759 481 02 0 59 231 53 8 759 633 42 8 759 633 65 8 59 579 68 8 59 591 61 8 59 917 18 8 749 012 70 1 784 429 11 1 580 394 11 1 414 142 11 1 410 509 11 1 412 473 21 1 412 473 21 1 410 324 11 8 729 900 74 8 729 900 74 8 29 422 57 8 29 900 80 8 29 119 76 8 29 194 57 8 29 922 37 1 249 429 11 1 249 429 11 1 249 429 11 1 249 429 11 1 249 429 11 1 249 441 11 1 249 429 11 1 249 429 11 1 249 429 11 1 249 429 11 1 249 429 11 1 249 429 11 1 249 429 11 1 249 429 11 1 249 429 11 1 249 441 11 1 249 429 11 1 249 429 11 Description Remarks lt FERRITE BEAD gt FERRITE FERRITE gt 6 lt IC M30803MG 107FP IC NJM4558D IC NJM4558D IC NJM4558D IC M62016L IC M5F7805L M5293L IC M54641L 4 IC TC7ZWHUOAFU TE12R IC SN74HCUOAAN IC GP1F38R lt JACK gt JACK PIN 4P ANALOG IN OUT CONNECTOR DIN 6P PC LINK lt COIL
18. 6 4 SCHEMATIC DIAGRAM BD SECTION 1 2 See page 37 for Waveforms See page 52 for IC Pin Functions See page 50 for IC Block Diagrams 4 OPTICAL PICK UP D BLOCK KMS 260B 260E FOR CHECK 3 4 5 6 7 8 9 10 11 12 0151 172 2SA1S76A T gt z 1 RE Q 0 5 2 lt 3 2 gt 4 I 3 3 2 5 lt 2 5 gt R121 E 4 7k eu 1 16 0151 1354 HF 2 5 MOBULE MM LOEO SWITCH C132 VI lt 2 7 gt 0 iT 312 F 12194 0154 le 5 2 CN101 UN5214 TX amp 21 5 16 115 E 11 114 FCS FCS C118 0 047 y m lt gt R120 ie 1 16 1 2 72 aG om WAVEFORM SHAPPER p R138 C1 5 o 2 8 2 12104 RF 2 gt lt gt X5 9 M 0 R119 4 7k 1 15W FEO FEI C119 TP145 p ES 002 550 1 16W TP129 m lt 7 gt gt 71479 pii 0 9 1 1 lt 0 S gt D 9 1 1 lt 0 S gt 1 6 1 6 lt gt LASER ON 171280 SWITCH R103 3 3M 1 16W 46 9121 UN5113 TX R127 C104 0 022 25V B R124 10 1716W 10 gt 2 40 5 82 05 100k 1 16W lt ABFG
19. BD SECTION 2 2 See page 37 for Waveforms See page 53 for IC Pin Functions See page 50 for IC Block Diagrams 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 BIN MGNB 3 BD BOARD lt lt 25 gt NB M 5V M 5V o REC SW 5105 BD BOARD 2 2 100p SOV CH 7e PLAY SW 5104 06 lt 42 06 C169 167 Bal OUT 5W s103 W201 0 F T B _ 82 38 LIMIT IN SW 5101 RUE L 070027 8 C3 s lt 1 T6W d a S e 53 B lt gt 5 gt gt P S gt HORAM 5102 bs zalial e lt s gt C 5 lt 6 alalalSlal 8 2181 REFRECT 7 cde z 5 14 2 d 51919 PROTECT em e pia 7 S S 1 4 8 1 MOB 10 4 co tn 0 x 1 CO0C00000000000000 EN NS No O lt O lt m gt gt m WRPWR WRPWR 6 0 9 lt 0 1 gt 5 7 BD BC
20. DISPLAY BOARD COMPLETE US CND DISPLAY BOARD COMPLETE AEP UK HK AUS DISPLAY BOARD COMPLETE SP KK KK KK KK K K K K K K K K K HOLDER FL CUSHION FL lt CAPACITOR gt CERAMIC ELECT ELECT CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC ELECT CERAMIC CERAMIC CERAMIC ELECT CERAMIC lt DIODE gt 0 1uF 10uF 10uF 0 001uF 0 001uF 0 001uF 0 1uF 0 1uF 22uF 0 1uF 0 001uF 47PF 100uF 0 01uF 20 20 10 10 10 20 10 5 20 30 DIODE SEL5821A TP15 MDLP lt CONNECTOR gt CONNECTOR FFC LIF NON ZIF 15P CONNECTOR BOARD TO BOARD 4P lt FLUORESCENT INDICATOR TUBE gt INDICATOR TUBE FLUORESCENT IC IC 5 9202 0705 IC NJL73H400A TRANSISTOR TRANSISTOR UN4216 TA TRANSISTOR UN4211 TA RESISTOR CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON 2 2K 3 3K 4 7K 10K 33K 2 2K 3 3K 4 7K 10K 33K 100 100 100 100 100K 3 3K 220 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 50 50V 50V 50V 50V 50V 50V 50V 6 3V 50V 50V 50V 10V 16V 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W Ref No R781 R782 5701 5702 5703 5704 5705 5706 5711 5712 5713 5714 5715 5716 5721 MDS JE470 DISPLAY KEY SW MAIN Par
21. Optical pick up label S260B For details of the method for checking 20101 this value refer to 5 8 Recording and Displaying lop Information 0576 lop 57 6 MA this case lop Digital voltmeter reading mV 1 5 Press the MENUJ 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 the button is pressed the needs to be performed here 5 6 3 lop Compare The current Iop value at laser power 7 mw output and reference Iop value set at shipment written in the nonvolatile memory are compared and the rate of increase decrease will be displayed in percentage Note Perform this function with the optical pick up set at room temperature Procedure Rotate the knob to display Compare 2 Press the button and start measurements 3 When measurements complete the display changes to Xx 15 the percentage of increase decrease and NG is displayed at yy to indicate whether the percentage of increase decrease is within the allowable range 4 Press the MENU NO button to end 5 6 4 Auto Check This test mode performs C REC and C PLAY automatically for mainly checking the characteristics of the optical pick up To perform this test mode the laser power must first be checked Perform Auto Check after the laser power check and Iop comp
22. 1 164 159 11 1 104 665 11 1 162 306 11 1 124 252 00 1 126 939 11 1 164 159 11 1 126 916 11 1 128 576 11 1 164 159 11 1 126 967 11 1 126 965 11 1 104 663 11 1 128 551 11 1 126 933 11 1 162 306 11 1 126 935 11 1 126 935 11 1 126 916 11 1 164 159 11 1 164 159 11 1 126 934 11 1 164 159 11 1 162 302 11 1 162 302 11 1 104 665 11 1 164 159 11 1 162 282 31 1 162 282 31 1 162 282 31 1 162 294 31 Description CERAMIC CERAMIC CERAMIC CERAMIC ELECT CERAMIC ELECT ELECT MYLAR MYLAR MYLAR MYLAR MYLAR ELECT CERAMIC CERAMIC ELECT ELECT MYLAR MYLAR MYLAR MYLAR MYLAR ELECT CERAMIC ELECT ELECT ELECT ELECT ELECT CERAMIC ELECT CERAMIC ELECT ELECT CERAMIC ELECT ELECT CERAMIC ELECT ELECT ELECT ELECT ELECT CERAMIC ELECT ELECT ELECT CERAMIC CERAMIC ELECT CERAMIC CERAMIC CERAMIC ELECT CERAMIC CERAMIC CERAMIC CERAMIC CERAMIC 0 1uF 0 01uF 0 01uF 0 001uF 10uF 470 22uF 22uF 220PF 0 0001 0 0001 0 0047 0 001uF 22uF 470PF 470PF 22uF 22uF 220PF 0 0001uF 0 0001uF 0 0047uF 0 001uF 22uF 470PF 100uF 100uF 100uF 100uF 10000uF 0 1uF 100uF 0 01uF 0 33uF 10000uF 0 1uF 1000uF 100uF 0 1uF 47uF 22uF 33uF 22uF 100uF 0 01 470uF 470uF 1000 0 1uF 0 1uF 220uF 0 1uF 0 0022uF 0 0022uF 100uF 0 1uF 100PF 100PF 100PF 0 001uF 30 30 10 20 10 20 20 5 5 5 5 5 20 10
23. 11 1 216 809 11 1 216 809 11 1 216 833 11 1 216 845 11 1 216 855 11 1 216 827 11 1 216 821 11 1 216 821 11 1 216 811 11 1 216 857 11 1 216 809 11 1 216 295 91 1 216 841 11 1 216 841 11 1 216 841 11 1 220 942 11 1 220 942 11 1 216 833 11 1 216 833 11 1 216 833 11 1 216 864 11 1 762 596 21 1 771 956 21 1 771 955 21 1 771 955 21 Description 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 METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP SHORT 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 METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP SHORT METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP METAL CHIP lt SWITCH gt SWITCH PUSH 1 KEY 1 KEY SWITCH PUSH 1 KEY SWITCH PUSH 33K 22K 2 2K 4 7K 56K 4 1K 2 2K 680 100 330 680 100K 2 2 4 1K 10K 47K 1K 1K 1K 10K 10K 10K 10K 100 100 10K 10K 10K 100 100 100 10K 100K 680K 3 3K 1K 1K 150 100 47K 47K 47K 3 3 3 3 10K 10K 10K LIMIT IN SW OUT SW PLAY SW SWITCH PUSH 1 KEY REC SW
24. 215 445 00 1 215 453 00 1 215 453 00 1 215 425 00 1 215 425 00 1 249 415 11 1 249 441 11 1 249 411 11 1 249 429 11 1 249 441 11 1 247 883 00 1 249 409 11 1 249 429 11 1 247 881 00 1 249 441 11 1 249 409 11 1 249 409 11 1 247 807 31 1 249 415 11 1 249 411 11 1 249 433 11 1 249 438 11 1 247 891 00 1 249 417 11 1 249 433 11 1 249 431 11 1 249 433 11 1 249 411 11 1 249 418 11 1 249 401 11 1 249 401 11 Description CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON METAL METAL METAL METAL METAL METAL METAL METAL CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON METAL METAL METAL METAL METAL METAL METAL METAL CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON 10K 10K 10K 100K 33K 15K 220K 47 10K 10K 10K 10K 22K 22K 1 5K 1 5K 680 100K 330 10K 33K 15K 220K 47 10K 10K 10K 10K 22K 22K 1 5K 1 5K 680 100K 330 10K 100K 150K 220 10K 120K 100K 220 220 100 680 330 22K 56 330K 1K 22K 15K 22K 330 1 2K 47 MDS JE470 5 5 5 5 5 5 5 5 1 1 1 1 1 1 1 1 5 5 5 5 Remarks 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W F 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 14W F 1 4
25. 3 7 OVER LIGHT HEAD HR901 BD BOARD Note 1 If you disconnect the connector CN104 you can remove the BD board without removing the over write head 901 Note 2 Be careful to handle the over write head HR901 because it is easy to be damaged Screw P1 7X6 Head over light HP901 f Q BD board Q Connector CN104 Remove the solder five portion FLEXIBLE board CN101 Two screws BTP2X6 16 3 8 HOLDER ASSY Spring holder tension 3 9 LOADING MOTOR ASSY M103 Belt loading Two screws PWH1 7x2 5 B lt T lt Motor ASSY loading M103 MDS JE470 gt CZ ONG s LR lt Zg gt NGA SE MDS JE470 3 10 SLED MOTOR ASSY M102 SLIDER Remove the claw Shift the slider in the arrow direction 0 Lever head _ m Two screws BTP2X6 Guide L Two screws g PWH1 7X2 5 27 Aji D Motor ASSY sled QD 0 M102 e 3 11 OPTICAL PICK UP Optical pick up KMS 260B 260E Main shaft FLEXIBLE board SL base Screw P1 7X6 Two screws K2X6 Screw BTP2X6 4 Base BU A 50 Screw 1 7 apping 4 18 3 12 SPINDLE ASSY M101 Spindle motor ASSY M101 amp Three screws M1 7
26. In H Sled limit Out ON Laser modulation switching signal output L STOP H PLAY pluse REC Laser ON OFF control output H Laser SENS Internal status SENSE input from the CXD2662R SHCK Track jump signal input from the CXD2662R 1 Data signal input output pin with the EEP ROM I Disk reflection rate detection input from the reflect detection switch H Disk with low reflection rate n i REFLECT ON N ON E 67 68 71 72 80 LOAD IN Loading motor control output H loading NC Pin No 40 2 Le NL O2 3 52 5 MEME NON N AE EN NBI ME een Q Z lt 0 r gt g 5 MDS JE470 Not used Fixed at L D VOLO 1 JOGO JOG1 o fo RCE DISTINATION MODEL SEL 58 NOTE XX X mean standardized parts so they may have some differences 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 The mechanical parts with no reference number in the exploded views are not supplied Hardware mark list and accessories and packing materials are given in the last of this SECTION 7 EXPLODED VIEWS Color indication of Appearance Parts Example KNOB BALANCE WHITE RED T T Abbreviatio
27. Pressing the knob will display or execute the contents selected Pressing the knob another time returns to step 4 Pressing the button displays Err Display and exits the error history mode 9 To exit the test mode press the button The unit sets into the STANDBY state the disc is ejected and the test mode ends ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS Selecting the Test Mode DO I O D Display History Op rec tm Displays the total recording time When the total recording time 15 more than 1 minute displays the hour and minute When less than minute displays Under min The display time is the time the laser is set to high power which 15 about 1 4 of the actual recording time op play tm Displays the total playback time When the total playback time is more than 1 minute displays the hour and minute When less than minute displays Under min spdl rp tm Displays the total rotating time of the spindle motor When the total rotating time is more than minute displays the hour and minute When less than minute displays Under 1 min retry err Displays the total number of retry errors during recording and playback Displays r xx p yy xx is the number of errors during recording yy is the number of errors during playback This is displayed in hexadecimal from 00 to FF total err Displays the total number of errors Displays total This is displayed in hexadecimal from 00 to
28. To select the digit Press the knob 14 When the button 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 button is pressed the to be performed here 5 11 lop NV SAVE Write the reference values in the nonvolatile memory to perform compare As this involves rewriting the reference values do not perform this procedure except when adjusting the laser power during replacement of the OP and when replacing the 02 Otherwise the OP check may deteriorate Note Perform this function with the optical pick up set at room temperature Procedure 1 Rotate the knob to display Iop NV Save C06 2 Press the button and display stop 3 After the display changes to xxsave press the button 4 After Complete is displayed momentarily the display changes to 7 0 mW 5 After the display changes to press the button 6 When Complete is displayed it means that NV saving has been completed 32 5 12 TRAVERSE ADJUSTMENT Connection Oscilloscope BD board 105 pin 94 105 ga V 0 5 H 10 ms div Input DC mode Adjusting Procedure 1 Connect an oscilloscope to CN105 pin 4 TE and CN105 pin 6 VC of the BD board
29. YES button Complete is displayed on the fluorescent display and it turns off immediately 6 Procedure 1 Press the button continuously for about 10 seconds Procedure 2 Press the LEVEL DISPLAY CHAR button while pressing the button MENU NO button 7 When the mode is set RTs 00 000 is displayed 8 Press the REC button to start recording Then press the button and start recording 9 To check the track mode press the button to start play 10 To exit the test mode press the button and turn OFF the power When disappears disconnect the power plug from the outlet If the test mode cannot be exited refer to Forced Reset on page 9 Fig 1 Reading the Test Mode Display Fig 2 Reading the Test Mode Display During recording and stop During playback RTs c e Fluorescent display tube display Fluorescent display tube display Cause of retry Parts No name of area named on TOC Number of retries Cluster Address Physical address on disc Number of retry errors Sector Track mode Track information such as copyright infor mation of each part Reading the Retry Cause Display Bit _ Higher Bits Hexadecimal 8412181412 1 Occurring conditions When ADIP address is not continuous 1 2 4 10 0 0 8 10 MDS JE470 Reading the Display Convert the hexadecimal display into binar
30. displayed so that the MD deck does not continue operations In this case set the test mode promptly and perform the following procedure Procedure 1 Set the test mode Refer to 4 2 2 Normally a message for selecting the test mode will be displayed However if the nonvolatile memory is abnormal the following will be displayed INIT EEP Press the STOP button and EJECT button together Rotate the knob and select MDM 7A 5 Press the knob If the nonvolatile memory is successfully overwritten the normal test mode will be set and a message to select the test mode will be displayed IU Note When this setting is doing readjustment is necessary Adjustment it same as IC195 exchanged 24 MDS JE470 SECTION 5 ELECTRICAL ADJUSTMENTS Note 260B KMS 260B 260E KMS 260E 5 1 PARTS REPLACEMENT AND ADJUSTMENT If malfunctions caused by Optical pick up such as sound skipping are suspected follow the following check Check before replacement 5 6 2 Laser Power Check See page 28 NG 5 6 3 Compare See page 28 5 6 4 Auto Check See page 29 Replace Optical pick up or MDM 7A OK Other faults are suspected Check the threading mechanism etc 25 MDS JE470 Adjustment flow Start Abbreviation OP Optical pick up After turning off and then on the power initialize the EEPROM For details refer to 4 11 WHEN MEMORY NG IS DISPLAYED See page 24
31. err history Displays the past ten errors Displays ErrCd is the history number The younger the number the more recent is the history 00 15 the latest 15 the error code Select the error history number using the KKIAMSDD1 knob retry adrs Displays the past five retry addresses Displays xx ADRS xx is the history number yyyy is the cluster with the retry error Select the error history number using the lt knob er refresh Mode for erasing the error and retry address histories Procedure 1 Press the knob when displayed as er refresh 2 Press the button when the display changes to er refresh When complete is displayed it means erasure has completed Be sure to check the following after executing this mode Data has been erased Perform recording and playback and check that the mechanism is normal tm change Mode for erasing the total time of recording and playback Procedure 1 Press the IKKQAMSE gt gt 1 knob when displayed as tm refresh 2 Press the button when the display changes to tm refresh When complete is displayed it means erasure has completed op change Mode for erasing the total time of op rec tm op play tm These histories are based on the time of replacement of the optical pickup If the optical pick up has been replaced perform this procedure and erase the history Procedure 1 Press lt knob when displayed as
32. gt INDUCTOR 1uH INDUCTOR 10uH INDUCTOR OuH INDUCTOR OuH INDUCTOR 4 7 uH TRANSISTOR TRANSISTOR UN4216 TA TRANSISTOR UN4216 TA TRANSISTOR UN4111 TA TRANSISTOR UN4211 TA TRANSISTOR 2SA1115TP EF TRANSISTOR 25 945 TRANSISTOR 2SD2144S TP UVW RESISTOR CARBON 10K 5 1 4W AEP UK HK AUS CARBON 10K 5 1 4W CARBON 10K 5 1 4W CARBON 10K 5 1 4W CARBON 10K 5 1 4W CARBON 100K 5 1 4W CARBON 10K 5 1 4W CARBON 10K 5 1 4W CARBON 10K 5 1 4W CARBON 10K 5 1 4W CARBON 10K 5 1 4W CARBON 10K 5 1 4W CARBON 10K 5 1 4W CARBON 10K 5 1 4W CARBON 10K 5 1 4W CARBON 100K 5 1 4W AEP UK HK AUS CARBON 10K 5 1 4W CARBON 10K 5 1 4W Ref No R94 R95 R97 R100 R111 R112 R113 R115 R161 R162 R163 R164 R165 R166 R171 2 R176 R177 R178 R181 R211 R212 R213 R215 R261 R262 R263 R264 R265 R266 R271 R272 R276 R277 R278 R281 R380 R381 R406 R407 R422 R423 R424 R425 R431 R432 R433 R434 R435 R436 R437 R441 R442 R443 R491 R492 R511 R512 Part No 1 249 429 11 1 249 429 11 1 249 429 11 1 249 441 11 1 249 435 11 1 249 431 11 1 247 887 00 1 249 401 11 1 215 445 00 1 215 445 00 1 215 445 00 1 215 445 00 1 215 453 00 1 215 453 00 1 215 425 00 1 215 425 00 1 249 415 11 1 249 441 11 1 249 411 11 1 249 429 11 1 249 435 11 1 249 431 11 1 247 887 00 1 249 401 11 1 215 445 00 1 215 445 00 1 215 445 00 1
33. gt ap XLRE lt 13 gt 3 r APCREF 14 gt To 15 10101 CXA2523AR a 4 RF 6 3V 14 gt FOCUS TRACKING B JW203 L146 ERROR AMP 0 T T a C112 18 gt gt N 0 068 IgV L147 hc E 00 19 gt SNC O 2 C105 20 gt 1000 25V CH TROR e R108 10k TFBR 1 16W FOCNT gt C T wi gt 0 0 2 lt 0 1 gt 0 1 0 2 lt 0 1 gt 7 0 1 0 TP123 E L144 Gg pin SPINDLE 00 6 lt 0 8 gt 0 00 D 0 5 iiis 10 0 8 9 9 1 gt C144 C145 0 1 25V F 0 01 Y 23V 1C141 LL SP INBLE SLEO MOTOR 8RIVER FOCUS TRACK ING 1142 25 COIL BRIVER 0 L145 0 MDS JE470 16 BD BOARD 2 2 Page 42 2 BOARD 2 2 Page 42 M101 CN105 7P SLED MOTOR M102 L TRK lt TRK gt 21 gt 22 gt 23 gt 24 gt 25 gt Note The components identified by mark A dotted line with mark are critical for Safety Replace only with part number specified lt 26 gt 27 gt Note Les composants identifi s par une marque N sont critiques pour la s curit Ne les renplacer que par une pi ce portant le num ro sp cifi 41 41 BD 3 BOARD 2 2 Page 42 MDS JE470 6 5 SCHEMATIC DIAGRAM
34. of the laser power meter becomes the specified value press the button and save it Note Do not perform the emission with 7 0 mW more than 15 seconds continuously 31 MDS JE470 7 Then rotate the AMS knob and display LDPWR CHECK Check that the reading of the laser power meter become the speci fied value 9 Press the button once more and display LD 7 0 mW volt meter satisfy the specified value Note down the digital voltmeter reading value Specified Value Laser power meter reading LD 0 9mW 0 85 0 91mW 260B 0 90 0 96mW 260E LD 7 0mW 6 90 7 10mW 260 7 20 7 30mW 260E 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 KMS260B 20101 0576 lop 57 6 mA this case lop Digital voltmeter reading mV 1 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 lop Write 12 Press the YES button When the display becomes Ref is an arbitrary number press the YES button to display Measu is an arbitrary number 13 The numbers which can be changed will blink Input the Iop value noted down at step 9 To select the number Rotate the knob
35. perform all adjustments again ex cluding the temperature compensation offset adjustment For details of the initial setting refer to 5 4 Precautions on Ad justments and execute the initial setting before the adjustment as required Setting Procedure 1 Rotate the knob to display ADJ CLEAR 2 Press the button Complete will be displayed momen tarily and initial setting will be executed after which ADJ CLEAR will be displayed 5 8 RECORDING AND DISPLAYING THE lop INFORMATION The IOP data can be recorded in the non volatile memory The lop value on the label of the optical pick up 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 IKK AMS DPI knob and button con nect the power plug to the outlet and release the AMS gt gt knob and button 2 Rotate the knob to display Service and press the button 3 Rotate the knob to display Iop Write and press the button 4 The display becomes Ref 15 an arbitrary number and the numbers which can be changed will blink 5 Input the Iop value written on the optical pick up To select the number Rotate the knob To select the digit Press the KKI AMS gt gt knob 6 When the button is pressed the display becomes Measu is an arbitrary number 7 As the adjust
36. repeat the recording procedure component back on C13 REC Error The inserted MD is dirty with smudges E0001 There is an error in the internal data that fingerprints etc scratched or the deck needs in order to operate MEMORY NG substandard in quality gt Consult your nearest Sony dealer gt Replace the disc and repeat the There is a problem with the optical recording procedure 0101 pickup The deck could not read the TOC on the LASER NG gt The optical pick up may have failed C13 Read Error MD properly Consult your nearest Sony dealer gt Take out the MD and insert it again 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 MDS JE470 1 While pressing the knob and button connect the power plug to the outlet and release 5 knob and button When the test mode is set Check will be displayed Rotate the knob and when Service is displayed press the button Rotate the knob and display Err Display Pressing the button sets the error history mode and displays rec tm select the contents to be displayed or executed using the knob
37. see page 28 5 6 3 Compare see page 28 5 6 4 Auto Check see page 29 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 Remove the short pin attached to CN406 and then attach it again MAIN BOARD Component Side 20 406 MDS JE470 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 e 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 Procedure 1 Insert the recordable disc 2 Press button to display Menu on the fluorescent display 3 Turn button to display Erase on the fluorescent display 4 Press YES button to display All Erase on the fluorescent display 5 Press
38. the focus tolerance amount Checking Procedure 1 Load a continuously recorded test disc MDW 74 GA 1 Refer to 5 5 Using the Continuously Recorded Disc 2 Rotate the knob and display CPLAY1 MODE Press the button and display CPLAY 1 MID 4 Press the button when HHEH AD Hi is displayed Rotate the knob and display FBIAS CHECK 6 Press the button and display i co The first four digits indicate the C error rate the two digits after indicate ADER and the 2 digits after c 2 indicate the focus bias value Check that the C error is below 20 and ADER 15 below 2 7 Press the button and display 000 bai Check that the C error is below 100 and ADER 15 below 2 8 Press the button and display iac Check that the C error is below 100 and ADER 15 below 2 9 Press the MENU NO button next press the EJECT button and remove the test disc W 30 5 6 8 C PLAY Check MO Error Rate Check Checking Procedure 1 Load a continuously recorded test disc MDW 74 GA 1 Refer to 5 5 Using the Continuously Recorded Disc 2 Rotate the knob and display CPLAY1 MODE Press the button and display CPLAY1 MID The display changes to AD gt If the C error rate is below 20 check that ADER is 00 Press the button stop playback press 2 EJECT button and test disc CD Error Rate Check Checking Proc
39. 0 5 1 4W 805 1 249 429 11 CARBON 10K 5 1 4W R806 1 247 807 31 CARBON 100 5 1 4W 9 1 792 811 11 WIRE FLAT TYPE 23 CORE 10 1 757 928 11 WIRE FLAT TYPE 27 R807 1 249 409 11 CARBON 220 5 F A12 1 696 846 21 CORD POWER AUS R808 1 249 409 11 CARBON 220 5 F A12 1 777 071 61 CORD POWER AEP UK HK SP R851 1 249 429 11 CARBON 10K 5 1 4W A 12 1 783 531 31 CORD POWER US CND R911 1 249 421 11 CARBON 2 2K 5 1 4W 912 1 249 437 11 CARBON 47K 5 1 4W 14 1 569 972 21 SOCKET SHORT 2P A 17 1 569 008 21 ADAPTOR CONVERSION SP R1090 1 249 429 11 CARBON 10K 5 1 4W A 17 1 770 019 11 ADAPTOR CONVERSION PLUG UK HK US CND SP 63 1 757 930 11 WIRE FLAT TYPE 17 CORE R1091 1 249 429 11 CARBON 10K 5 1 4W 357 1 6 8 514 11 PWB FLEXIBLE lt VIBRATOR gt 358 A 4672 541 A OPTICAL PICK UP 5 260 750 1 517 986 11 INDICATOR TUBE FLUORESCENT X15 1 795 004 21 VIBRATOR CERAMIC 10MHz HR901 1 500 670 11 HEAD OVER LIGHT X550 1 781 998 11 VIBRATOR CRYSTAL 45 1584 M101 A 4672 898 A MOTOR ASSY SPINDLE 1 681 734 12 PT BOARD M103 4735 074 MOTOR ASSY LOADING 5102 1 771 957 11 SWITCH PUSH 2 KEY REFLECT PROTECT SW ATR900 1 435 543 11 TRANSFORMER POWER US CND lt CAPACITOR gt ATR900 1 435 544 11 TRANSFORMER POWER AEP UK HK AUS 900 1 435 545 11 TRANSFORMER POWER SP 0 1 1 CERAMIC 0 0022uF 20 250V ok lt gt gt lt ok ok lt gt
40. 132 1 164 156 11 CERAMIC CHIP O 1uF 25V CN103 1 784 834 21 CONNECTOR FFC LIF NON ZIF 23P CN104 1 580 055 21 PIN CONNECTOR SMD 2P C133 1 164 156 11 CERAMIC CHIP O 1uF 25V CN105 1 784 859 21 CONNECTOR FFC LIF NON ZIF 7P C141 1 126 206 11 ELECT CHIP 100uF 20 6 3V C142 1 164 156 11 CERAMIC CHIP O 1uF 25V lt DIODE gt 0143 1 164 156 11 CERAMIC CHIP O 1uF 25V C144 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V D101 8 19 988 61 DIODE 155355 17 D181 8 719 080 81 DIODE FS1J6 C145 1 164 156 11 CERAMIC CHIP O 1uF 25V D183 8 719 080 81 DIODE FS1J6 C151 1 117 370 11 CERAMIC CHIP 10uF 10V C152 1 164 156 11 CERAMIC CHIP O 1uF 25V IC C153 1 164 156 11 CERAMIC CHIP O 1uF 25V C154 1 126 206 11 ELECT CHIP 100uF 20 6 3V 0101 8 752 080 95 IC CXA2523AR 2102 8 759 473 51 TLV2361CDBV C155 1 164 156 11 CERAMIC CHIP 0 1uF 25V 2141 8 759 836 79 IC BH6519FS E2 C156 1 164 156 11 CERAMIC CHIP O 1uF 25V 10151 8 752 404 64 CXD2662R C157 1 164 156 11 CERAMIC CHIP O 1uF 25V 0153 8 759 671 27 MSM51V4400E 70TS K C158 1 162 927 11 CERAMIC CHIP 100PF 5 50V C159 1 162 927 11 CERAMIC CHIP 100PF 5 50V IC171 8 759 096 87 IC TG WU04FU TE12R 0181 8 759 481 17 MC74ACTO8DTR2 63 MDS JE470 Ref No 10190 10195 JW201 JW202 JW203 JW903 JW904 L101 L102 L103 L105 L106 L121 L122 L131 L141 L142 L143 L144 L145 L146 L147 L161 L171 L180 L181 L182 L183 L184 Q101 Q121 0122 01
41. 19 210 21 8 719 210 21 8 719 210 21 8 719 210 21 8 719 911 19 8 719 210 21 8 719 210 21 8 719 024 99 8 719 024 99 8 719 024 99 8 719 109 81 8 719 911 19 8 719 911 19 8 719 911 19 8 719 024 99 8 719 024 99 8 719 024 99 8 719 024 99 Description ELECT 220uF CERAMIC 0 1uF ELECT 100uF CERAMIC 0 1uF CERAMIC 0 1uF CERAMIC 0 1uF CERAMIC 0 1uF CERAMIC 0 1uF CERAMIC 0 1uF ELECT 100uF CERAMIC 0 1uF CERAMIC 4 7 0 001uF CERAMIC 12PF CERAMIC 47PF CERAMIC 10PF CERAMIC 0 01uF CERAMIC 0 1uF ELECT 4 7uF CERAMIC 0 01uF CERAMIC 0 1uF CERAMIC 0 1uF CERAMIC 0 1uF CERAMIC 0 1uF CERAMIC 0 1uF CERAMIC 0 1uF CERAMIC 0 1uF lt CONNECTOR gt CONNECTOR FFC LIF NON ZIF 23P CONNECTOR FFC LIF NON ZIF 27P CONNECTOR FFC LIF NON ZIF 15P 20 20 20 10 10 5 5 5 30 20 30 PLUG MICRO CONNECTOR 10 PIN CONNECTOR PC BAORD 2P lt DIODE gt DIODE 155133 72 DIODE 155133 72 DIODE 155133 72 DIODE 155133 72 DIODE 155133 72 DIODE 155133 72 DIODE 11 0504 2 DIODE 11EQS04 NTA2B DIODE 11EQS04 NTA2B DIODE 11EQS04 NTA2B DIODE 155133 72 DIODE 11 0504 2 DIODE 11EQS04 NTA2B DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE 11ES2 NTA2B 11ES2 NTA2B 11ES2 NTA2B RD4 7ES T2B2 155133 72 155133 72 155133 72 11ES2 NTA2B 11ES2 NTA2B 11ES2 NTA2B 11ES2 NTA2B Remarks 10V 50V 10V 50V 50V 50V 50V 50V
42. 2 Load a test disc MDW 74 GA 1 Refer to Note 1 3 Press PP button and move the optical pick up outside the pit 4 Rotate the knob and display MO AD JUST Laser power READ power Focus servo ON tracking servo OFF spindle S servo ON 6 Rotate the lt lt AMS DP knob so that the waveform of the oscilloscope becomes the specified value waveform varies at intervals of approx 290 Adjust the wave form so that the specified value is satisfied as much as possible Read power traverse adjustment Traverse Waveform vc Specification A B 7 Press the button and save the result of adjustment to the 8 Rotate thel Kd AMS DP knob so that the waveform of the oscilloscope becomes the specified value MO W changes and the waveform changes In this adjustment waveform varies at intervals of approx 290 Adjust the wave form so that the specified value is satisfied as much as possible Write power traverse adjustment Traverse Waveform vc Specification A 9 Press the button and save the adjustment results in the The optical pick up moves to the pit area automatically and servo is imposed 11 Rotate the knob until the waveform of the oscilloscope 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 a
43. 233 025 50 7 EXPLODED VIEWS Abbreviation CND Canadian model 7 1 Chassis Section een 59 SP Singapore model 122 Front Panel SCO sanitaire 60 7 3 Mechanism Section 1 MDM 7A 61 7 4 Mechanism Section 2 7 62 8 ELECTRICAL PARTS LIST 63 MDS JE470 SECTION 1 SERVICE NOTES SAFETY CHECK OUT US model only After correcting the original service problem perform the fol lowing safety checks before releasing the set to the customer Check the antenna terminals metal trim metallized knobs screws and all other exposed metal parts for AC leakage Check leakage as described below LEAKAGE The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis must not exceed 0 5 mA 500 microampers Leak age current can be measured by any one of three methods 1 commercial leakage tester such as the Simpson 229 or RCA WT 540A Follow the manufacturers instructions to use these instruments 2 A battery operated AC milliammeter The Data Precision 245 digital multimeter is suitable for this job 3 Measuring the voltage drop across a resistor by means of a VOM or battery operated AC voltmeter The limit indication is 0 75 V so analog meters must ha
44. 31 0132 0133 0134 0181 0182 R101 R102 R103 R104 R105 R106 R107 R108 R109 R110 R111 R112 R113 R114 R115 64 Part No 8 759 460 72 8 759 640 41 1 216 295 91 1 216 295 91 1 216 295 91 1 216 295 91 1 216 295 91 1 500 245 11 1 500 245 11 1 500 245 11 1 414 235 22 1 500 245 11 1 500 245 11 1 500 245 11 1 500 245 11 1 216 296 91 1 216 296 91 1 216 296 91 1 216 296 91 1 216 296 91 1 469 855 21 1 469 855 21 1 500 245 11 1 500 245 11 1 469 855 21 1 469 855 21 1 500 245 11 1 216 296 11 1 216 296 11 8 729 403 35 8 729 403 35 8 729 101 07 8 729 026 53 8 729 903 10 8 729 402 93 8 729 402 93 8 729 018 75 8 729 017 65 1 216 829 11 1 216 853 11 1 216 863 11 1 216 853 11 1 216 825 11 1 216 825 11 1 216 825 11 1 216 833 11 1 216 845 11 1 216 845 11 1 216 833 11 1 216 829 11 1 216 833 11 1 216 827 11 1 216 833 11 Description IC 2 IC 4 2 lt JUMPER RESISTOR gt SHORT 0 SHORT 0 SHORT 0 SHORT 0 SHORT 0 lt COIL gt FERRITE CONDUCTOR CHIP CONDUCTOR CHIP CONDUCTOR CHIP CONDUCTOR CHIP CONDUCTOR CHIP FERRITE FERRITE FERRITE FERRITE FERRITE FERRITE FERRITE SHORT 0 SHORT 0 lt TRANSISTOR gt TRANSISTOR UN5113 TX TRANSISTOR U
45. 470 SECTION 3 DISASSEMBLY This set can be disassembled in the order shown below 3 1 DISASSEMBLY FLOW Abbreviation SP Singapore 3 10 SLED MOTOR 3 9 LOADING MOTOR ASSY M102 ASSY M103 3 11 OPTICAL PICK UP KMS 260B 260E 3 12 SPINDLE MOTOR ASSY M101 Note 2 You cannot go to the next process until every process enclosed with has done Note 1 The processes enclosed with remove in the any order 13 MDS JE470 3 2 UPPER CASE 408226 Case 408226 Two screws CASE 3TP2 a Screw A CASE 3TP2 6 I Two screws 0 CASE 3TP2 3 3 FRONT PANEL SECTION Connector CN830 Two screws BVTP3x8 Front panel Two screws BVTP3x8 14 MDS JE470 3 4 MAIN BOARD Two screws BVTP3x8 Connector CN400 Wire flat type 23core CN1 gt lt Wire flat type 27 CN2 MAIN board Two screws BVTP3x8 screw BVTP3x8 3 5 PT BOARD VOL SEL BOARD SP model Three screws PTTWH PT board Two screws x BVTP3x8 SP model Connector CN990 SP model VOL SEL board SP model Nylom rivet dia 3 15 MDS JE470 3 6 MECHANISM DECK SECTION MDM 7A Mechanism deck Two step screws BVTTWH M3 Two step screws BVTTWH
46. 50 1 517 986 11 INDICATOR TUBE FLUORESCENT 60 7 3 MECHANISM SECTION 1 MDM 7A Ref No 301 302 303 304 305 306 307 308 309 310 Part No 4 996 267 01 4 231 319 01 4 227 007 01 4 227 025 01 3 372 761 01 4 227 002 01 4 226 999 01 4952 665 1 4672 990 4 229 533 01 Description Remarks BASE BU D SCREW 2X6 CZN B P TRI GEAR SB BELT LOADING SCREW M1 7 TAPPING GEAR PULLEY LEVER HEAD SPRING SHT ASSY LEAF LOCK HOLDER SPRING STOPPER TORSION Ref No 311 312 313 314 315 316 317 318 319 320 Part No 4 231 118 01 4 227 019 02 4 227 013 01 4 226 995 01 4 226 996 01 4 226 997 04 4 226 998 01 4 227 006 01 A 4735 075 A 4 226 994 01 MDS JE470 Description Remarks SPRING HOLDER TENSION PLATE HOLDER ASSY RETAINER SPRING EJ TENSION SLIDER Eu LIMITTER Eu SLIDER LEVER CHG GEAR SA HOLDER ASSY GUIDE L 61 MDS JE470 7 4 MECHANISM SECTION 2 MDM 7A Ref No Part No 351 4725 471 352 4 231 319 01 353 3 372 761 01 354 4 226 993 01 355 4 227 014 01 Description BD BOARD COMPLETE SCREW 2X6 CZN B P TRI SCREW M1 7 TAPPING RACK SPRING RACK COMPRESSION 356 4 226 992 01 357 1 678 514 11 358 A 4672 541 A 359 4 988 560 01 360 4 996 265 01 BASE SL PWB FLEXIBLE OPTICAL PICK UP KMS 260E SCREW P 1 7X6 SHAFT MAIN 361 4 226 989 01 CHASSIS
47. 8 61 5 m 3 5 E IICDATA 60 I 5V lt uw lt z E XIN a 19 lt DATA 09 10MHz SYSTEM CONTROLLER J800 P IC1 2 2 EU 3 5 5 5 BUSY 23 5 5 KEYO 2 com POWER 28 OD 8 OB POWER BUSY TRANSFORMER Q 696969 OG 5 D431 432 V C769 R769 69 050 1 600 2 2 834 REGULATOR FL LED DRIVER WIS 406 16401 58 OSCO 10760 3 3V POWER E de La BACKUP D408 CN406 TRANSFORMER 0 8 9 T EJ 0726 7 e LED DRIVE KK AMS PP S RESET 5 FL750 0726 BT406 406 LITHIUM 28 5 FL DRIVE RESET 1 0767 4 32V T Y FL DRIVER 10760 B alei 5 16421 5701 706 711 712 FLUORESCENT INDICATOR TUBE 8714 716 721 724 FL750 S726 t D471 472 AUDIO CIRCUIT 0775 w LED DRIVE UNREG 12V 0466 467 UNREG 12V 10411 LOADING MOTOR DRIVER 10440 B VOLTAGE REGULATOR SELECTOR 5 5990 3 3 A REGULATOR 16500 Caen MDS JE470 6 3 PRINTED WIRING BOARD BD Board See page 36 for Circuit Board Location There are a few cases that the part isn t mounted in model is printed on diagram OPTICAL PICK UP BLOCK KMS 260B 260E BD BOARD SIDE A BD BOARD SIDE B Semiconductor 901 A Locati Semiconductor ocation Location WRITE HEAD MAIN BOARD m CN2 Page 45 Page 45 40 40
48. 8 1 162 969 11 CERAMIC CHIP 0 00680 10 25V C180 1 117 370 11 CERAMIC CHIP 10uF 10V C109 1 164 677 11 CERAMIC CHIP 0 033uF 10 16V C181 1 126 206 11 ELECT CHIP 100uF 20 6 3V C110 1 163 038 00 CERAMIC CHIP 0 1uF 25V C182 1 163 038 00 CERAMIC CHIP O 1uF 25V C183 1 164 156 11 CERAMIC CHIP O 1uF 25V C111 1 117 720 11 CERAMIC CHIP 4 7uF 10V C112 1 110 563 11 CERAMIC CHIP 0 068uF 10 16V C184 1 117 970 11 ELECT CHIP 22uF 20 10V C113 1 162 968 11 CERAMIC CHIP 0 0047uF 10 50V C185 1 131 872 11 CERAMIC CHIP 1000PF 10 630V C114 1 125 837 11 CERAMIC CHIP 1uF 10 6 3V C191 1 126 206 11 ELECT CHIP 100uF 20 6 3V C115 1 162 966 11 CERAMIC CHIP 0 00220 10 50V C192 1 164 156 11 CERAMIC CHIP O 1uF 25V C193 1 126 206 11 ELECT CHIP 100uF 20 6 3V C116 1 164 227 11 CERAMIC CHIP 0 022uF 10 25V C117 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C194 1 164 156 11 CERAMIC CHIP O 1uF 25V C118 1 165 176 11 CERAMIC CHIP 0 047uF 10 16V C195 1 164 156 11 CERAMIC CHIP O 1uF 25V C119 1 165 176 11 CERAMIC CHIP 0 047uF 10 16V C196 1 164 156 11 CERAMIC CHIP O 1uF 25V C120 1 164 156 11 CERAMIC CHIP O 1uF 25V C1401 1 117 720 11 CERAMIC CHIP 4 7uF 10V C121 1 164 156 11 CERAMIC CHIP O 1uF 25V CONNECTOR 0125 1 117 720 11 CERAMIC CHIP 4 7uF 10V 0128 1 164 156 11 CERAMIC CHIP O 1uF 25V CN101 1 766 833 21 CONNECTOR FFC FPC ZIF 21P C131 1 117 720 11 CERAMIC CHIP 4 7uF 10V CN102 1 784 835 21 CONNECTOR FFC LIF NON ZIF 27P C
49. C is automatically calculated from points a and b Note 2 Asthe C error rate changes perform the adjustment using the average vale C error 220 Focus bias value F BIAS 33 MDS JE470 5 14 ERROR RATE CHECK 5 14 1 CD Error Rate Check Checking Procedure 1 Load a check disc MD TDYS 1 2 Rotate the knob and display CPLAY1 Press the button twice and CPLAY1 MID The display changes to i335 AD ERP Check that the C error rate is below 20 Press MENU NO button stop playback press the EJECT button and remove the test disc Nn 5 14 2 MO Error Rate Check Checking Procedure 1 Load a continuously recorded test disc MDW 74 GA 1 Refer to 5 5 Using the Continuously Recorded Disc 2 Rotate the knob and display CPLAY1 Press the YES button and 1 MID The display changes to i335 AD LHP If the error rate is below 20 cheek that ADER 15 00 Press MENU NO button stop playback press the EJECT button and remove the test disc NM 5 15 FOCUS BIAS CHECK Change the focus bias and check the focus tolerance amount Checking Procedure 1 Load a continuously recorded test disc MDW 74 GA 1 Refer to 5 5 Using the Continuously Recorded Disc 2 Rotate the knob and display CPLAY1 3 Press the button twice and display CP
50. D DQSY REG 5V 9 vie Kua EL mo s nds 24 LIMIT IN JOG 0 PROTECT Page42 MOD Os y L451 KEY 1 JUMPER PDOWN SYS 3 3V W AC AC 32V DISP GND RMC RMC FLCS FLCS FLCK FLCK FLDT FLDT KEYO 0380 1050 UNATTI TA KEY MUTING H 4061 KEYI CONTROL KEY2 SWITCH KEY 2 5 2 15 LIMIT IN LDON LDON 10 SCLK 10600 SN74HCU R435 R436 WAVE 56k 330k SHAPER L450 JUMPER 7 R100 100k 0 2 0 4 SWDT AW E iu G DISPLAY BOARD CN701 D Page47 SWDT 00 lt DOWN gt R31 JUMPER POWER 22 50V C426 R4 JUMPER OPT2 COAX R614 47k D381 209 1SS133T 72 SYS 3 3 gt 149 I BAK 3 3 A C19 2 04 16 0 001 i GND J R623 JUMPER 470k P DOWN lt AI IND cie me 1 360 70 ee R515 kN MIK 0171 100 K LOW PAS
51. D 6 00 ME 555 A I f MCLK 7 Page 41 Ba mss 8 8 nu GND H GN CI 6191 E LRCKI MAIN gt 79902 0 2 BOARD 1 2 lt 21 mm M 13 24905 0 lt 22 ue 5V 14 CN1 lt 23 LB 6ND BOUT 15 lt 24 H 5V 16 Page 43 lt 27 gt 17 21 22 V 1 2 J Page 41 T 143 0181 5 0 25J278MYTR H 5V 171 BIVIBER IC181 8 TR2 Rigg 0181 182 5 5 OVER WRITE 1 4W CN104 117 TP119 HEAD DRIVE 9 BGI 9 9 D y g a 0 0 lt gt OVER WRITE a 4 120 R185 C184 3 3 22 1 4 10V HR901 OVER nom e 5 0 L 6801 lt gt C180 10 R176 10V 100 0182 2 2SK1764KYTR L 100 over L180 L183 DuH R18 0 47k OuH 00 00 42 42 MDS JE470 6 6 SCHEMATIC DIAGRAM MAIN SECTION 1 2 See page 37 for Waveforms See page 56 for IC Pin Functions See page 51 for IC Block Diagrams 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 MAIN BOARD 1 2 1 lt 1 040 gt lt LOAD 0UT gt 2 LBIN y s lt LBOUT gt A LB L045 5 SYS 3 3 5 6 i di SYS GND 8 B 2 2 3 3V gt 9 Page44 F 2 gt lt 10 lt AC gt LD
52. DRIVER E IC B D 52 R441 22k R442 1 gt X_LOAD IN 0 15k 0440445 0440 bor UN4211 TA REFERENCE 2 lt 10 I 2 9 VOLTAGE SWITCH 3 0 4 gt _ lt LBDUT gt xs 2 LOADING gt GND 6 0445 I 2SA1175 HFE D431 33 R432 R431 1SS133T 72 35 gt LOW 1SS133T 72 680 100 PRE P DOWN gt D432 188133T 72 R434 22k 0409 1120504 6 SYS 3 3 033 0408 11EQS04 0 1 7 BACK 2 2V 10406 43 3V M62016L REGULATOR RELAY 3 3V D406 CN400 155133 72 0 0401 4 11 0504 0402 0 1120504 Lo 9 R407 16V 7 D404 i 10k 11E0S04 5 RST BT406 C405 ML1220 0 01 5 8 5 5 0 8 11ES2 NTA2B N D412 11ES2 NTA2B N 14 0461 N IC411 11ES2 NTA2B M5F7805L li 0 0462 11ES2 NTA2B REGULATOR 11ES2 NTA2B D467 2 R423 100k 11ES2 NTA2B R424 R425 220 220 10 gt AC F 2 gt 11 lt lt AC F 1 gt 12 gt lt 32V gt 0422 s RD4 7EB2 10421 M5293L 00 1 421 14 gt lt 51B gt 32V REGULATOR 15 gt PRE P DOWN m IC B D 0 R911 MP 2 2k 0 6 0911 RELAY CTRL 28D2144S TP UVW RELAY 17 R912 DRIVE 47k JW452 JUMPER 18
53. ER US CND eee ANTR900 1 435 544 11 TRANSFORMER POWER 5 ANTR900 1 435 545 11 TRANSFORMER POWER SP 1 7 685 646 79 SCREW BVTP 3X8 N S A TR950 1 437 337 11 TRANSFORMER POWER SP 2 7 685 850 04 SCREW BVTT 2X3 S ANTR950 1 437 335 11 TRANSFORMER POWER US CND 3 7 685 204 19 SCREW KTP 2X6 TYPE2 NON SLIT ANTR950 1 437 336 11 TRANSFORMER POWER 5 The components identified by mark A or dotted line with mark Les composants identifies par une marque A sont critiques pour la s curit Ne les remplacer que par une piece portant le num ro KK KK K K are critical for safety Replace only with part number specified 68 MDS JE470 69 MDS JE470 REVISION HISTORY Clicking the version allows you to jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page er Description of Revision 2001 05 New lt
54. ETECTOR ET 9 4 T a eg BB 95855 O 8 26 e gt lt gt lt e TRACKING SE gt Je T 9 au 28 04 93 12 10 8 XBT X2X3 X4 o E m 0 l COMMAND 5 5 AN gt lt ox AUTOMATIC 4 o POWER CONTROL p mE 2 0121 122 FOCNT SWDT D 3 WE PD CONVERTER 00 XRAS at CONVERTER 46 4 RAS DECODER _ SCLK XCAS 2 53 TAS LASER DIODE O SWITCH 10 x lt SWDT SCLK 0101 lt lt Page39 12 1617718 18 20 25 6832 3 1 83 50 5 38 88 i Aa 4 57 LDON 7 J 3 3V 52 D 3V REG 45V FOCUS TRACKING COIL DRIVE 54 WR PWR SYSTEM CONTROLLER IC190 SPINDLE SLED MOTOR DRIVE J 66 61 1 2 10141 16 o SPINDLE 8 4 e RECP o LIMIT IN 55 AUTOMATIC LIMIT IN POWER CONTROL S103 LOADING P n lt 1 MOTOR DRIVE OUT SW 49 OUT SW IN2R 9 16440 REFERENCE A D CONVERTER VOLTAGE SWITCH 2 5 0440 445 mun PLAY SW DIGITAL SERVO DEVICE CS FROM CPU FCS 5 55 5105 Q LE INTERFACE REC SW 53 oco REC POSITION qo M103
55. H cable connect check L Active Not used open Interrupt status input from CXD2662R Not used open Not used open Media commucator start up check IIC serial clock output I 5 serial data input output Writing data signal output to the serial bus Reading data signal input from the serial bus Clock signal output to the serial bus Keyboard clock ON OFF signal output L OFF H ON Not used open Not used open Not used open o2 Line muting output L Mute Reset sional output to the AK 4524 LA 6 MDS JE470 Pin Name ADA LATCH m 2 L DINTI H CLIP 4 9 I Recording protection claw detection input from the protection detection switch H Protect Clock signal output to the EEP ROM o a EN RN EEP VE EEP ROM wrie poet signal ouput Eve pes x 0 ON 4 2 OUT SW Detection signal input from the loading out detection switch XLATCH PLAY SW DIG RST REC SW WR PWR LIMIT IN MOD Latch signal output to the serial bus Digital rest signal output to the CXD2662R and motor driver L Reset Detection signal input from the playback position detection switch L PLAY Detection signal input from the recording position detection switch L REC Write power ON OFF output L OFF H ON I Detection input from the limit switch L Sled limit
56. HG 82 50 Eum ESI BOARD CEHE Sasy 1 LE zs 0 80 9 0 62409 RRE ET D 1 2 ps 153 ERA 5 2 SENS 1 152 9 3 3 RR lt gt PLAY SW 12 MAIN Page 41 151 9 sz SRBT SRBT 18 XLAT XLATOR BOARD 1 2 15 4 vs 10151 PU C157 10195 Bie hos mr BU CN2 1 4 0 2 lt 0 2 gt 09 lt gt 0 1 25V F 1 16 1 18 1 16N SMS SWAT 17 Pa 43 Ae TFOR MNT2 IC151 MNT2 XBUSY 18 DEN CXH2662R 104 ACU lt gt SHCK 19 0 0 2 lt 0 2 gt 4 5 JA DIGITAL SSERVO SIGNAL PROCESSOR ACOs 20 HIAS _ 7 BIGITAL SIGNAL PROCESSOR lt TER 0 0 lt gt SCL 22 SRBR A10 Wed lt gt REFRECT Sw 25 5 27 ins 0 lt gt oa PROTECT Sw 24 0 0 4 lt 0 5 gt 0 x any D GND 25 SPF A02 0 lt gt IC 195 LB OUT 26 FGIN 05 3024008 2 5 5 LB IN 27 C194 J res A R165 100 1 16W lt 16 m A V Y LRER QG R164 100 mu LRCK MUTOR x O 20 jem 5 5 dde 5 R163 100 1 16W BE S 2 lt 17 E 2 2 Edan G DH lt ABBT 1 lt 19 0 LRCK LRCK 2 BD 0060 OOO BABT G N 5 gt 3 BOARD RIS 3 DA 5 S 2 5 XBCK BCK 5 1 2 sla 5 1 MCKGN
57. IDER M S REGISTER 17 CS INTERFACE 16 CCLK 15 CDTI 440 M54641L MAIN BOARD 421 M5293L MAIN BOARD GND 2 REFERENCE VOLTAGE 3 VOUT REFERENCE VOLTAGE OVERHEAT OVERCURRENT POO LIMITTER 51 MDS JE470 6 14 IC FUNCTION DESCRIPTION IC101 CXA2523AR RF Amplifier BOARD Pin No Description 1 I V converted RF signal I input Co m warm n ______ is Latch signal input from the CXD2662R L Latch Stand signal input L Stand by x wur Reference voltage ouput Nowe WBLADJ Center frequency setting pin for the internal circuit BPF22 36 racking enor mieux _ _ External capacitor connection pin for the sled error signal LPF O _ O ADAGC 7 capacitor connection pin for AGC ofADIP T I o ADFG Kf ADIP duplex signal output to the CXD2662R 13 signal temperature signal output to the CXD2662R F Focus error signal output to the CXD2662R RF ABCD bottom hold signal output to the CXD2662R ABCD EN Light amount signal output to the CXD2662R O RF ABCD peak hold signal output to the CXD2662R 27 28 ux mmac K enema Tra a como 0 qsas lt sa5 x tnd of ie ADIPanpifer j
58. IN 325 12 LD OUT GND lt 5 RST gt K 13 D GND lt 51B gt lt 14 PROTECT SW N REFRECT SW PROTECT SCL SCL SDA EN ADDT SHOCK LRCK XBUSY DADT 8B an XBUSY DADT REG GND CN102 K OUT SW R50 10k 10 R40 C680 JUMPER N N lt CN2 27 CN B BO v 7 N 00 H GND DINO MEGNE gt gt L653 M GND DIN1 OuH DIN 1 M GND 1 M GND C651 L65 C652 1 01 JUMPER 0 1 M 5V i 101 3061 M30803MG 107FP NC Di DESTINATION SYSTEM EPM MODEL SEL CONTROLLER ADA LATCH TIMER ADA RESET KEY 3 MUTE 2 KEY ae ee 2 1 JUMPER 1 US CND SP 55 ok AEP AUS HK UK KEY 0 VREF AVCC 9 25 26 gt Med 61 C89 0 001 1 89 v R90 100k AEP AUS HK UK 7 11 or 19 13 Bur a A lt is 15 SRDT 17 42 SRD 8 0 16 PLAY SW 1666 PLAY SW oa JUMPER NC 15 17 SENS SES 28 XLATCH S 14 18 DIG RST STB Sie 35 L662 DIG RS JUMPER 15 19 SW D 20 REC SW XBUSY L660 NC 21 FLCS JUMPER B
59. KEYBOARD PLAY MODE SWITCH KEYBOARD REPEAT SWITCH KEYBOARD LEVEL DISPLAY CHAR SWITCH KEYBOARD 1 0 KKK KK K KK K K K K K K K K K OK K K R R C12 C16 C19 C58 A 2007 906 A A 2007 910 A A 2007 914 A 7 685 646 79 1 164 159 11 1 164 159 11 1 162 294 31 1 162 282 31 MAIN BOARD COMPLETE US CND MAIN BOARD COMPLETE AEP UK HK AUS MAIN BOARD COMPLETE SP OK K K K OK OK K OK K OK K SCREW BVTP 3X8 TT B lt CAPACITOR gt CERAMIC 0 1uF 50V CERAMIC 0 1uF 50V CERAMIC 0 001uF 10 50V CERAMIC 100PF 10 50V 65 MDS JE470 Ref No C62 C87 C88 C89 C100 C111 0112 0113 C161 C165 C166 C171 C172 C176 C177 C211 C212 C213 C261 C265 C266 C271 C272 C276 C277 C311 C316 C361 C366 C401 C402 C404 C405 C406 C411 C412 C416 C423 C424 C425 C426 C431 C432 C441 C442 C461 C466 C490 C491 C492 C500 C501 C502 C503 C504 C505 C515 C516 C517 C519 66 Part No 1 164 159 11 1 162 306 11 1 162 306 11 1 162 294 31 1 126 964 11 1 162 290 31 1 128 551 11 1 128 551 11 1 137 505 11 1 137 503 11 1 137 503 11 1 137 368 11 1 130 471 00 1 128 551 11 1 162 290 31 1 162 290 31 1 128 551 11 1 128 551 11 1 137 505 11 1 137 503 11 1 137 503 11 1 137 368 11 1 130 471 00 1 128 551 11 1 162 290 31 1 126 933 11 1 126 933 11 1 126 933 11 1 126 933 11 1 126 939 11
60. LAY1 4 Press the button when EEE AD UD is displayed 5 Rotate the 5 PIPI knob and display CHECK 6 Press the button and display c The first four digits indicate the C error rate the two digits after indicate ADR and the 2 digits after c indicate the focus bias value Check that the C error 15 below 20 and ADER 15 below 2 7 Press the button and display 0000 00 b GU Check that the C error is below 100 and ADER 15 below 2 8 Press the button and display ifia Check that the C error is below 100 and ADER is below 2 9 Press the MENU NO button next press the button and remove the continuously recorded disc Note 1 If the C error and ADER are above other than the speci fied value at points a step 8 in the above or b step 7 in the above the focus bias adjustment may not have been carried out properly Adjust perform the beginning again 34 5 16 AUTO GAIN CONTROL OUTPUT LEVEL ADJUSTMENT Be sure to perform this adjustment when the Optical pick up is re placed If the adjustment results becomes Adjust NG the Optical pick up may be faulty or the servo system circuits may be abnormal 5 16 1 CD Auto Gain Control Output Level Adjustment Adjusting Procedure Insert the check disc MD TDYS 1 2 Rotate the knob to display AG Set CD 3 When the button is pressed the adjustment will be performed automatically Com
61. N5113 TX TRANSISTOR TRANSISTOR TRANSISTOR FMW1 T 148 TRANSISTOR UN5214 TX TRANSISTOR UN5214 TX TRANSISTOR 2SJ278MYTR TRANSISTOR lt RESISTOR gt METAL CHIP 4 7K METAL CHIP 470K RES CHIP 3 3M METAL CHIP 470K METAL CHIP 2 2K METAL CHIP 2 2K METAL CHIP 2 2K METAL CHIP 10K METAL CHIP 100K METAL CHIP 100K METAL CHIP 10K METAL CHIP 4 7K METAL CHIP 10K METAL CHIP 3 3K METAL CHIP 10K 2 08 25A1576A T106 QR 25K1764KYTR 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 Remarks 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W 1 16W Ref No R116 R117 R118 R119 R120 R121 R122 R123 R124 R125 R126 R127 R128 R129 R130 R131 R132 R133 R134 R135 R136 R138 R150 R151 R154 R155 R156 R157 R158 R159 R160 R161 R163 R164 R165 R167 R168 R169 R170 R171 R173 R174 R175 R176 R179 R181 R182 R183 R184 R185 R195 R196 R197 R218 S101 S103 S104 S105 Part No 1 216 839 11 1 216 837 11 1 218 855 11 1 218 863 11 1 218 889 11 1 218 863 11 1 218 855 11 1 216 819 11 1 216 809 11 1 216 815 11 1 216 819 11 1 216 845 11 1 219 724 11 1 216 298 00 1 216 829 11 1 216 833 11 1 216 841 11 1 216 821 11 1 216 821 11 1 216 821 11 1 216 295 91 1 216 833 11 1 216 833 11 1 216 833 11 1 216 833 11 1 216 864 11 1 216 864 11 1 216 809 11 1 216 809 11 1 216 833 11 1 216 833 11 1 216 833 11 1 216 809
62. NTROLLER r 32 ADFG Yy OSCI 16 81 ADAGC 0SCO gt CLOCK XTSL 18 30 ADIN DINO 49 DIGITAL SAMPLING DIN1 20 CC DOUT 01 BPF22 ADIP WBLN 29 ADFM gt DATAI 22 ATRAC ATRACS DD 1 LRCKI 23 ENCODER DECODER WBL XBCKI 24 ADDT 25 PTGR T gt 28 SE 27 CSLED TESW T gt DO ae s S 88 WBL um bu ahi 141 BH6511FS E2 BD BOARD ids PD 10 AUXSW COMMAND BGR g c 43 A 5 5 S B 8 B5 eb B PB 5 5 2 VREF wol 8 E l APC 11 DECODE 0 2 Dp Y INTERFACE HH INTERFACE VDD 49 44 Oa Da 118 49 h 2 s en 5 6 B SE CHARGE PREDRIVE PREDRIVE PUMP OSC PREDRIVE PREDRIVE i INTERFACE PSB INTERFACE 0 m 8 10 1 12 03 14 5 08 o amp ae mmm Q gt lt lt TF DVN 5 5 5 5 50 50 MDS JE470 IC500 AK4524 MAIN BOARD CLOCK GENERATOR CLKO amp DIV
63. S 22 KLSWDT DU DA cz Au 514 47 DADT FILTER cist R162 95 0 tie A 178 5 E 7 WW R517 330 MUTING 25V 680 0 w lt 1 3 LATCH 100 R512 47 7 w 0 L 5 w AN R181 0201 8 R163 R161 1 7 11 9 10k 10k R511 41 8177 100k ADA RESET 1 550 m E vibe y 16V 8165 0 0001 TE12R L R281 it 1 360 1 2 mE NJM4558D R263 R261 1506 0 TOk 10k C500 XE JUMPER 100 AD DA 10V Q281 1551 unazie ta 8181281 JUMPER 3 3 MUTING US CND SP we piti 1551381 72 M AEP AUS HK UK 1C372 1 R264 R262 156133 72 JM4558D 10k 10k C503 0 0022 0490 0611 550 250945 GP1F38R 45 1584MHz 3 3V pon REGULATOR 50 611 530 3 OPTICAL 1349 C611 HK Gna 1523 JUMPER JUMPER 1611 0 1 RECEIVER 1C310 2 2 10uH 2 2 N 0 Ni aa NT ES DIGITAL IN J300 is 9 OPTICAL 4P C536 04 01 Que ANALOG OUT L524 JUMPER mE ale NE 16 MAIN mE el BOARD 0 155133 72 18 2 2 Page44 Page44 0112 188133T 72 IC310 1 2 NJM4558D P I 43 43 MDS JE470 6 7 SCHEMATIC DIAGRAM MAIN SECTION 2 2 See page 51 for IC Block Diagrams 2 1 G MAIN BOARD 1 2 Page43 N CHASS 3 4 5 6 7 8 10440 M54641L LOADING
64. S 1 LASER product The CLASS 1 LASER PRODUCT MARKING 15 located on the rear exterior CLASS 1 LASER PRODUCT LUOKAN 1 LASERLAITE KLASS 1 LASERAPPARAT This caution label 1s located inside the unit CAUTION INVISIBLE LASER RADIATION WHEN OPEN AND 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 BERBR CKT NICHT DEM STRAHL AUSSETZEN VARO AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALT TIINA NAKYMATTOMALLE LASERSATEILYLLE ALA KATSO SATEESEEN VARNING OSYNLINGLASERSTRALING NAR DENNA DEL AR PPNAD OCH SPARREN AR URKOPPLAD BETRAKTA EJ STRALEN ADVERSEL USYNLIG LASERSTRALING NAR DEKSEL 5 OG SIKKERHEDSLAS BRYTES UNNGA EKSPONERING FOR STRALEN VIGYAZAT BURKOLAT NYITASAKOR LATHATATLAN LEZERSU GARVESZELY KERULJE A BESUGARZAST CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radia tion exposure Notes on chip component replacement Never reuse a disconnected chip component Notice that the minus side of a tantalum capacitor may be 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
65. U NO button displayed and turned back to TEMP ADJUST display then When the MENU NO button is pressed TEMP ADJUST will be displayed immediatelly Specified Value OF 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 objective lens Digital volt meter BD board 105 I 3V 4 105 O Adjusting Procedure 1 Set the laser power meter on the objective lens of the optical pick up When it cannot be set properly press the 444 button button to move the optical pick up Connect the digital volt meter to CN105 pin 4 1 3 and CN105 pin 2 IOP 2 Rotate the knob and display LDPWR ADJUST Laser power For adjustment 4 Rotate AMS gt knob so that the reading of the laser power meter becomes the specified value Press the button after setting the range knob of the laser power meter and Oo P gt Q E lt lt r NO lt gt gt lt gt E E D pi lt 6 Rotate the AMS knob so that the reading
66. W 1 4W 1 4W AEP UK HK AUS 5 5 5 5 1 1 1 1 1 1 1 1 5 5 5 5 1 4W 1 4W 1 4W 14W F 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W 1 4W F 1 4W 1 4W 1 4W AEP UK HK AUS 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 1 4W 1 4W 1 4W F 1 4W 1 4W 1 4W 1 4W F 1 4W F 1 4W 14W F 1 4W 1 4W 1 4W 1 4W 1 4W F 1 4W 1 4W 1 4W 1 4W 14W F 1 4W F 1 4W F 67 MDS JE470 MAIN VOL SEL Ref Part No Description Remarks Ref No Part No Description Remarks R513 1 249 401 11 CARBON 47 5 1 4W 1 681 738 12 VOL SEL BOARD SP R514 1 249 401 11 CARBON 47 5 1 4W eh cee e 515 1 247 807 31 CARBON 100 5 1 4W R516 1 247 807 31 CARBON 100 5 1 4W lt CONNECTOR gt R517 1 247 807 31 CARBON 100 5 1 4W CN990 1 573 565 11 PIN CONNECTOR 5P SP R551 1 247 903 00 CARBON 1M 5 1 4W R552 1 249 411 11 CARBON 330 5 1 4W lt SWITCH gt R554 1 249 411 11 CARBON 330 5 1 4W R556 1 249 411 11 CARBON 330 5 1 4W A 990 1 771 474 11 SWITCH POWER VOLTAGE SELECTOR SP ok ok lt gt lt gt ok ok lt gt lt gt ok ok ok ok ok lt gt lt gt lt lt R lt gt lt gt ok ok lt gt lt gt lt gt lt gt K lt gt lt gt ok ok ok ok ok ok ok ok R614 1 249 437 11 CARBON 47K 5 1 4W R801 1 249 429 11 CARBON 10K 5 1 4W MISCELLANEOUS R802 1 247 807 31 CARBON 10
67. alue after adjustment 5 To end press the button or button to display Read Then press the button MDS JE470 OPTICAL PICK UP BLOCK TYPE DISCRIMINATION There are two types of the optical pick up block in this model These are compatible except for the laser power Check the type of the optical pick up block before replacement Ajdust following items after replacing the optical pick up block 5 6 2 Laser Power Check See page 28 5 10 LASER POWER ADJUSTMENT See page 31 Differences KMS 260B KMS 260E Form of FPC retainer plate Close the hole on SL base Not close the hole on SL base Big variable resistor 3 type and chip resistor Fig Small variable resistor 2 type and chip resistor Fig B type is for repair Abbreviation 260B KMS 260B model 260E KMS 260E model KSN 260B KSN 260E Hold on SL base Hold on SL base FPC retainer plate APC variable Adhesive agent at resistor PDIC portion Adhesive agent at FPC retainer plate PDIC portion Fig A CHIP 3 type variable resistor Fig B CHIP 2 type variable resistor MDS JE470 CHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS Before performing repairs perform the following checks to determine the faulty locations up to a certain extent Details of the procedures are described 5 Electrical Adjustments 5 6 2 Laser power check
68. are Procedure 1 Press the button If LDPWR minicheck is displayed it means that the laser power check has not been performed In this case perform the laser power check and Iop compare and then repeat from step 1 2 If a disc is in the mechanical deck it will be ejected forcibly DISC IN will be displayed in this case Load a test disc MDW 74 GA 1 which can be recorded If a disk is loaded at step 2 the check will start automatically 4 When XX CHECK is displayed the item corresponding to XX will be performed When 06 CHECK completes the disc loaded at step 2 will be ejected DISC IN will be displayed Load the check disc MD TDYS 1 5 When the disc is loaded the check will automatically be resumed from 07 CHECK 6 After completing to test item 12 check OK or NG will be displayed If all items are OK CHECK ALL OK will be displayed If any item is NG it will be displayed as NG xxxx W When CHECK ALL is displayed it means that the optical pick up is normal Check the operations of the other spindle motor thread motor etc When displayed as NG xxxx it means that the optical pick up is faulty In this case replace the optical pick up 5 6 5 Other Checks All the following checks are performed by the Auto Check mode They therefore need not be performed in normal operation 1 Load a continuously recorded test disc MDW 74 GA 1 Refer to 5 5 U
69. ck could not read the TOC on the the condition of the MD deck when an error occurs then MD properly issues a three or five digit code and an error message on C14 Toc Error gt Insert another disc the display If the code and message alternate find them in gt If possible erase all the tracks on the the following table and perform the indicated ME countermeasure Should the problem persist consult your The sound source is a copy of nearest Sony dealer commercially available music software or you tried to record a CD R Recordable Three or five C41 Cannot Copy CD digit code Cause Remedy gt The Serial Copy Management System Message prevents making a digital copy The inserted MD is record protected You cannot record a CD R C11 Protected Take out the MD and close the record The sporadic appearance of this message protect slot is caused by the digital signal being You tried to record a CD with a format recorded This will not affect the that the external device connected to the recording deck does not support such as CD ROM While recording from a digital component or video CD C71 Din Unlock connected through the DIGITAL IN gt Remove the disc and insert a music connector the digital connecting cable C12 Cannot Copy CD was unplugged or the digital component The recording was not made properly turned off gt Set the deck in a stable surface and Connect the cable or turn the digital
70. conductor of the circuit board within 3 times Be careful not to apply force on the conductor when soldering or unsoldering ATTENTION AU COMPOSANT AYANT RAPPORT A LA SECURITE LES COMPOSANTS IDENTIF S PAR UNE MARQUE A SUR LES DIAGRAMMES SCH MATIQUES ET LA LISTE DES PIECES SONT CRITIQUES POUR LA S CURIT DE FONCTIONNEMENT NE REMPLACER CES COMPOSANTS QUE PAR DES PIESES SONY DONT LES NUM ROS SONT DONN S DANS CE MANUEL OU DANS LES SUPP MENTS PUBLI S PAR SONY 5 MDS JE470 JIG FOR CHECKING BD BOARD WAVEFORM The special jig J 2501 196 A is useful for checking the waveform of the BD board The names of terminals and the checking items to be performed are shown 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 TE TRK error signal Traverse adjustment VC Reference level for checking the signal RF signal Check jitter FE Focus error signal 1 3V 1 3V IOP lop GND GND for TE TE MDM 7A FE VC VC RF RF MDS JE470 lop DATA RECORDING AND DISPLAY WHEN OPTICAL PICK UP AND NON VOLATILE MEMORY 195 OF BD BOARD ARE REPLACED The value labeled on the optical pick up can be recorded 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 optical pick up o
71. d that the retry cause is combined of emphasis stereo original copyright exists and write prohibited Hexadecimal Binary Conversion Table Hexadecimal Hexadecimal Binary 0000 1000 0001 1001 0010 1010 11 MDS JE470 Parts Identification SECTION 2 GENERAL This section is extracted from instruction manual The items are arranged in alphabetical order Refer to the pages indicated in parentheses for details Main unit 2 4 6 7 8 9 HO HU 3 14 158 16 AMS 26 15 20 25 35 39 CLEAR 25 23 30 40 Display window 21 EJECT 2 3 11 20 25 GROUP ON OFF 3 13 22 31 GROUP SKIP 4 13 22 31 INPUT 22 11 LEVEL DISPLAY CHAR 11 21 29 MD insertion slot MDLP indicator 7 14 21 MENU NO 4 15 22 25 35 39 17 18 19 20 PC LINK KEYBOARD 39 PHONE LEVEL 16 21 PHONES jack 15 17 21 36 PLAY MODE 8 20 37 MODE 02 14 22 REC 24 11 Remote sensor REPEAT 19 20 STANDBY indicator 1 11 20 TIME 5 17 21 TIMER 14 37 YES 13 15 23 25 35 39 BUTTON DESCRIPTIONS 1 0 1 11 20 Q5 9 11 20 37 40 40 39 20 101011 1111 20 25 37 40 40 26 20 44 1 MDS JE770 only 2 MDS JE770 only For MDS JE470 the remote sensor is located on the display window MDS JE
72. diode etc So perform the checks again after waiting some time Checking Procedure 1 Rotate the 5 knob to display TEMP CHECK C12 2 Press the button 3 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 Iop Information Connection Laser power meter s Optical pick up objective lens Digital volt meter BD board 105 I 3V 54 105 pin Q om 28 Checking Procedure 1 Set the laser power meter on the objective lens of the optical pick up When it cannot be set properly press the lt lt button or PP button to move the optical pick up Connect the digital volt meter to CN105 pin I 3V and CN105 pin 2 IOP 2 Then rotate the knob and display LDPWR CHECK Check that the reading of the laser power meter become the specified value 4 Press the button once more and display LD 7 0 mW 5 volt meter satisfy the specified value Specified Value Laser power meter reading LD 0 9mW 0 85 0 91mW 260B 0 90 0 96mW 260E LD 7 0mW 6 80 7 20mW 2608 7 00 7 50mW 260E Digital voltmeter reading Optical pick up displayed value 10
73. e 660 nm optical wave length Jack type phono Rated output 2 Vrms at 50 kilohms Load impedance over 10 kilohms Continued on next page MINIDISC DECK ON Y MDS JE470 General Supplied accessories Power requirements U S A and Canadian models Audio connecting cords 2 120 V AC 60Hz Optical cable 1 European model 230 V AC 50 60Hz Remote commander remote 1 Australian model 240 V AC 50 60Hz R6 size AA batteries 2 2 er Su _ US and foreign patents licensed from Dolby AC 50 60Hz Laboratories Adjustable with voltage Design and specifications are subject to change selector without notice Power consumption 14 W 0 5 W in standby mode Dimensions approx 430 X 95 X285 mm w h d incl projecting parts and controls Mass approx 3 0 kg SELF DIAGNOSIS FUNCTION The self diagnosis function consists of error codes for customers 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 Three or five Self diagnosis function digit code Cause Remedy Message The deck s self diagnosis function automatically checks The de
74. e disc used will affect the adjustment results make sure that no dusts nor fingerprints are attached to it Parts to be replaced Optical IC101 IC102 IC151 IC190 IC195 Pick up MDS JE470 5 5 USING THE CONTINUOUSLY RECORDED DISC This disc 15 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 knob and display MODE 3 Press thel YES button again to display MID Display 0300 and start to recording 4 Complete recording within 5 minutes 5 Press MENU NO button and stop recording 6 Press the amp EJECT button and remove the disc 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 m 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 and Adjust ments See page 9 5 6 1 Temperature Compensation Offset Check When performing adjustments set the internal temperature and room temperature to 22 to 28 C Checks cannot be performed properly if performed after some time from power ON due to the rise in the temperature of the IC and
75. e the waveform of the oscilloscope and check that the specified value is satisfied Do not rotate the AMS lt lt lt knob Traverse Waveform vc n I Specified value Below 10 offset value 100 2 A B Offset value 96 11 Press the button display EF MO CHECK The disc stops rotating automatically 12 Press the EJECT button and remove the disc 13 Load the check disc MD TDYS 1 14 Roteto the lt lt AMS knob and display EF CD CHECK C04 imposed automatically 29 MDS JE470 16 Observe the waveform of the oscilloscope and check that the specified value is satisfied Do not rotate the AMS gt knob Traverse Waveform M vc AM ON CA Specified value Below 10 offset value 100 2 Offset value 96 17 Press the button and display EF CD CHECK 18 Press the 2 EJECT button and remove the check disc MD TDYS 1 Note 1 MO reading data will be erased during if a recorded disc 15 used in this adjustment Note 2 If the traverse waveform 15 not clear connect the oscillo scope as shown in the following figure so that it can be seen more clearly Oscilloscope BD board 330 CN105 O lt CN105 VC 5 5 6 7 Focus Bias Check Change the focus bias and check
76. edure 1 Load a check disc MD 1 2 Rotate the knob and display CPLAY1 MODE Press the button twice and display CPLAY 1 MID Check that the C1 error rate 1s below 20 Press the MENU NO button stop playback press the amp EJECT button and the test disc 5 6 9 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 test disc MDW 74 GA 1 into the unit 2 Rotate the knob to display MODE 3 Press the button to display the MID 4 When recording starts is displayed this becomes CREC 1 is the address and recording Starts About 1 minute later press the MENU NO button to stop continuous recording Rotate the lt lt AMS gt knob to display PLAY 1 MODE Press the button to display C PLAY1 MID 00 10 Check that the error becomes below 20 and the AD error below 2 10 Press the MENU NO button to stop playback and press the amp EJECT button and remove the disc 5 7 INITIAL SETTING OF ADJUSTMENT VALUE Note Mode which sets the adjustment results recorded in the non vola tile 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
77. edure 2 While pressing the knob connect the power plug to the outlet and release the IKK AMS DPI knob 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 NOTE Do not use the test mode in the Develop group If used the unit may not operate normally If the Develop group is set accidentally press MENU NO button immediately to exit the Develop group 4 3 EXITING THETEST MODE Press the REPEAT button The disc is ejected when loaded and Standby display blinks and the STANDBY state is set 4 4 BASIC OPERATIONS OF THE TEST MODE All operations are performed using the IKKI AMS PPI knob button and MENU NO button The functions of these buttons are as follows Ame knob Push Set submenu 20 MDS JE470 4 5 SELECTING THE TEST MODE There are 26 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 All adjustments and checks during servicing can be performed in the test mode in the Service group NOTE Do not use the test mode in the Develop group If used the unit may not operate normally If the Develop group is set accidentally press the MENU NO butto
78. 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 These are omitted jl 1 These are omitted These are omitted 37 WAVEFORMS BD Board 1 101 RF SS NES 265656242424 2 101 FE Play mode 3 101 69 Play mode 4 1 151 69 osc 22 nesc 5 151 LRCK 22 6 usec 6 IC151 XBCK 3 8 354 5 7 IC151 FS4 5 67 usec C171 7 1 0Vp p 22 nsec 37 MDS JE470 MAIN Board 1 VN VN 2 7Vp p 100 nsec 22 nsec MDS JE470 6 2 BLOCK DIAGRAMS BD SECTION DIGITAL SIGNAL PROCESSOR EFM ACIRC ENCODER DECODER SHOCK PROOF MEMORY CONTROLLER
79. less otherwise noted pF uuF 50 WV or less are not indicated except for electrolytics and tantalums specified All resistors are 4 or less unless otherwise e component e ___ panel designation Note The components identi fied by mark A or dotted line with mark A are criti cal for safety Replace only with part number specified Note Les composants identifies par une marque sont critiques pour la s curit Ne les remplacer que par une pi ce portant le num ro sp cifi m B Line Line adjustment for repair Voltages and waveforms are dc with respect to ground under no signal detuned conditions no mark STOP PLAY lt gt REC Impossible to measure Voltages are taken with a VOM Input impedance 10 MQ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path gt gt PB gt gt PB DIGITAL OUT 3 REC DIGITAL IN Abbreviation CND Canadian model SP Singapore model HK Kong model AUS Australian model For printed wiring boards Note e oan parts extracted from the component side parts extracted from the conductor side e hole Pattern
80. lt gt ok lt gt ok lt gt lt gt ok lt gt ok ok lt gt ok ok lt gt ok ok ok ok R ok ok ok ok R C923 1 164 159 11 CERAMIC 0 1uF 50V C924 1 164 159 11 CERAMIC 0 1uF 50V ACCESSORIES amp PACKING MATERIALS C951 1 164 159 11 CERAMIC 0 1uF 5OV lt lt ok ok lt gt lt gt ok ok lt gt of ok ok ok ok ok ok ok ok ok ok ok C952 1 164 159 11 CERAMIC 0 1uF 50V 1 476 057 11 REMOTE COMMANDER RM D47M lt CONNECTOR gt 1 558 271 11 CORD CONNECTION AUDIO 1 574 264 11 CORD LIGHT PLUG OPTICAL 6 900 1 580 230 11 PIN CONNECTOR PC BOARD 2P AC IN 4 233 926 11 MANUAL INSTRUCTION ENGLISH 4 233 926 21 MANUAL INSTRUCTION FRENCH lt DIODE gt AEP CND SP D910 8 719 911 19 DIODE 155133 72 4 233 926 31 MANUAL INSTRUCTION SPANISH AEP 4 233 926 41 MANUAL INSTRUCTION lt LINE FILTER gt GERMAN DUTCH SWEDISH AEP 4 233 926 51 MANUAL INSTRUCTION ITALIAN POLISH ANLF900 1 419 625 11 COIL LINE FILTER AEP 4 233 926 61 MANUAL INSTRUCTION lt RELAY gt TRADITIONAL CHINESE HK SP 4 981 643 11 COVER BATTERY FOR RM D47M A 0 1 755 356 11 RELAY lt lt ok ok lt gt lt gt ok ok lt gt lt gt ok ok lt gt lt gt lt gt ok ok lt gt lt gt ok R lt gt lt gt ok ok ok lt gt lt gt ok ok ok lt gt lt gt ok ok lt gt ok ok ok ok ok ok ok ok lt TRANSFORMER gt 2k ok lt gt 2k 2k ok ok ok ok ok ok K HARDWARE LIST ATR900 1 435 543 11 TRANSFORMER POW
81. marked are not stocked since they Abbreviation A sont critiques pour la s curit are seldom required for routine service CND Canadian model Ne les remplacer que par une pi ce portant Some delay should be anticipated when SP Singapore model le num ro sp cifi ordering these items HK Hong Kong model CAPACITORS AUS Australian model uF e RESISTORS All resistors are in ohms METAL metal film resistor METAL OXIDE Metal Oxide film resistor F nonflammable Ref No Part No Description Remarks Ref No Part No Description Remarks A 4725 471 A BD BOARD COMPLETE C160 1 162 927 11 CERAMIC CHIP 100PF 5 50V er C161 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C162 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V lt CAPACITOR gt C163 1 125 891 11 CERAMIC CHIP 0 47uF 10 10V C164 1 162 927 11 CERAMIC CHIP 100PF 5 50V C101 1 135 259 11 TANTAL CHIP 10uF 20 6 3V C102 1 135 259 11 TANTAL CHIP 10uF 20 6 3V C165 1 162 968 11 CERAMIC CHIP 0 0047uF 10 50V C103 1 162 970 11 CERAMIC CHIP 0 01uF 10 25 C166 1 125 891 11 CERAMIC CHIP 0 47uF 10 10V C104 1 164 227 11 CERAMIC CHIP 0 022uF 10 25V C167 1 164 245 11 CERAMIC CHIP 0 015uF 10 25V C105 1 115 416 11 CERAMIC CHIP 0 001uF 5 25V C169 1 164 156 11 CERAMIC CHIP O 1uF 25V C171 1 164 156 11 CERAMIC CHIP O 1uF 25V C106 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C107 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C172 1 164 156 11 CERAMIC CHIP O 1uF 25V C10
82. ment results are recorded for the 6 value Leave it as it is and press the button 8 Complete will be displayed momentarily The value will be recorded in the non volatile memory and the display will be come Write Display Procedure 1 Rotate the IKK AMS DPI knob to display Iop Read 2 is displayed and the recorded contents are displayed indicates the value labeled on the pick up indicates the value after adjustment 3 To end press the lt lt AMS APA button MENU NO button to display Read MDS JE470 5 9 TEMPERATURE COMPENSATION OFFSET ADJUTMENT save the temperature data at that time in the non volatile memory as 25 reference data Note 1 Usually do not perform this adjustment 2 Perform this adjustment in an ambient temperature of 22 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 0101 has been replaced perform this adjustment after the temperature of this part has become the ambient tempera ture Adjusting Procedure 1 Rotate the knob and display TEMP ADJUST 2 Press the button and select the TEMP ADJUST mode 3 TEMP and the current temperature data will be displayed 4 To save the data press the YES button When not saving the data press the MEN
83. n Parts color Cabinet s color CND Canadian model SP Singapore model HK Hong Kong model AUS Australian model parts list 7 1 CHASSIS SECTION Ref No 11 A12 Part No X 4953 448 1 4 232 237 01 4 233 025 01 4 233 025 11 4 233 025 21 4 233 025 31 4 233 025 41 4 233 025 51 9 910 999 31 1 681 734 12 4 221 887 11 4 228 689 01 4 228 643 11 1 792 811 11 1 757 928 11 3 703 244 00 1 696 846 21 MECHANISM SECTION MDM 7A Description Remarks FOOT ASSY FOOT DIA 30 PANEL BACK AEP UK PANEL BACK US PANEL BACK CND PANEL BACK SP PANEL BACK HK PANEL BACK AUS RIVET DIA 3 NYLON PT BOARD SCREW PTTWH M3 5 TITE INSULATOR SCREW BVTTWH M3 STEP WIRE FLAT TYPE 23 CORE WIRE FLAT TYPE 27 CORE BUSHING 2104 CORD CORD POWER AUS Ref No A12 A12 13 13 13 14 15 15 16 16 A17 A17 16 AN TR900 AN TR900 AN TR900 Part No 1 777 071 61 1 783 531 31 A 2007 906 A A 2007 910 A A 2007 914 A 1 569 972 21 4 210 291 01 4 210 291 11 4 232 149 31 4 232 580 31 1 569 008 21 1 770 019 11 1 681 738 12 1 435 543 11 1 435 544 11 1 435 545 11 MDS JE470 The components identified by mark or dotted line with mark A are critical for safety Replace only with part number specified Les composants identifies par une marque A sont critique
84. n during continuous playback to change the display as below CPLAY 1 MID CPLAY1 OUT CPLAY1 IN When pressed another time the parts to be played back can be moved 2 When access completes the display changes to 11 AD Note The numbers displayed show you error rates and ADER Ending the continuous playback mode D Press the MENU NO button The display will change to CPLAY 1 MODE C34 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 300 cluster OUT 700h cluster 4 5 2 Operating the Continuous Recording Mode Use only when performing self recording palyback check l Entering the continuous recording mode D Set a recordable disc in the unit 2 Rotate the knob and display MODE C35 3 Press the button to change the display to MID 4 When access completes the display changes to CREC 1 and lights up Note The numbers displayed shows you the recording position addresses Changing the parts to be recorded 0 When the button is pressed during continuous recording the display changes as below MID OUT CRECI IN When pressed another time the parts to be recorded can be changed goes off 2 When access completes the display changes to CREC 1 and lights up Note The numbe
85. n immediately to exit the Develop group FBIAS ADJUS Focus bias adjustment AG Set MO Focus tracking gain adjustment MO AG Set CD TEMP CHECK LDPWR CHECK Focus tracking gain adjustment CD Temperature compensation offset check Laser power check EF MO CHECK EF CD CHECK FBIAS CHECK Traverse MO check Traverse CD check Focus bias check VERIFYMODE DETRK CHECK 0920 CHECK Iop Read For details of each adjustment mode refer to 5 Electrical Adjustments For details of Err Display refer to Self Diagnosis Function on page 2 e 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 acciden tally press the MENU NO button to exit the mode immediately Compare ADJ CLEAR INFORMATION CPLAY IMODE CREC 1MODE 21 MDS JE470 4 5 1 Operating the Continuous Playback Mode 1 Entering the continuous playback mode 1 Set the disc in the unit Whichever recordable discs or discs for playback only are available 2 Rotate the knob and display CPLAY 1 MODE C34 3 Press the button to change the display to CPLAY1 MID 4 When access completes the display changes to 11 AD Note The numbers 0 displayed show you error rates and ADER Changing the parts to be played back D Press the butto
86. plete 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 EJECT button to remove the disc 5 16 2 MO Auto Gain Control Output Level Adjustment Adjusting Procedure 1 Insert the reference disc MDW 74 GA 1 for recording 2 Rotate the gt 1 gt 1 AMS DPI knob to display AG 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 2 EJECT button to remove the disc MDS JE470 5 17 ADJUSTING POINTS AND CONNECTING POINTS BD BOARD SIDE A CN101 D101 BD BOARD SIDE B 12195 23 T 27 1 CN103 CN102 NOTE It is useful to use the jig for checking the waveform Refer to Servicing Note on page 6 35 MDS JE470 SECTION 6 DIAGRAMS 6 1 CIRCUIT BOARDS LOCATION PT board VOL SEL board SP model KEY SW board lt gt 7 2 gt gt SS Abbreviation SP Singapore model 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 uF un
87. r 18 Rey une 3 11 Optical Pick up 18 Retry aborted during S F editing 3 12 Spindle Moter Assy M101 19 Other than access processing and could not read address 4 TESI MODE s 20 Focus NG occurred and overran 5 ELECTRICAL 25 MODEL IDENTIFICATION 6 DIAGRAMS Part No 6 1 Circuit Boards Location 36 6 2 Block Diagrams x BO hens MERI sn ene 38 IO T n euo 39 6 3 Printed Wiring Board BD Board 7 40 6 4 Schematic Diagram BD Section 1 2 41 6 5 Schematic Diagram BD Section 2 2 42 6 6 Schematic Diagram Main Section 1 2 43 6 7 Schematic Diagram Main Section 2 2 44 MODEL PARTS No 6 8 Printed Wiring Board Main Section 45 4 233 025 00 6 9 Printed Wiring Board Display Section 46 4 233 025 10 6 10 Schematic Diagram Display Section 47 4233 025 201 6 11 Printed Wiring Board Power Section xi 7 1 48 6 12 Schematic Diagram Power Section 49 S no 6213 IC Block L SS RE 50 4 233 025 40 6 14 IC Pin Functions mn 52 4
88. r DRAM S stands for Schmidt input I A for analog input 3 for 3 state output and A for analog output in the column I O 53 MDS JE470 e m e Data input output for DRAM mo wi ct ER sam __ I ma 9G sapa LS among peak om he CAR PO om CHAR wo ue eranu sie FE roc eror sier tomme AR a a Dim oo EN m Tiwi wie U my Ano Montor oupa of ine AD omenerimu 7 mp evmermmba amr 0000 _ m am m ws oao _ 77 muc fit comedie sv poverams i u Lom mm L mew 1 OO O ux __ cur ____ OOS pier J o 666 ___ o Refewnce eso O m ___ I Abbreviation EFM Eight to Fourteen Modulation PLL Phase Locked Loop VCO Voltage Controlled Oscillator 54 MDS JE470 mox ____ Ka Spindle servo drive PWM output Spindle servo drive PWM ou
89. r check has not been performed In this case perform the laser power check and Iop compare and then repeat from step 1 2 If a disc is in the mechanical deck it will be ejected forcibly DISC IN will be displayed in this case Load a test disc MDW 74 GA 1 which can be recorded If a disk is loaded at step 2 the check will start automatically 4 When XX CHECK is displayed the item corresponding to XX will be performed When 06 CHECK completes the disc loaded at step 2 will be ejected DISC IN will be displayed Load the check disc MD TDYS 1 When the disc is loaded in step 4 the check will automatically be resumed from 07 CHECK 6 After completing to test item 12 check OK or NG will be displayed If all items are OK CHECK ALL OK will be displayed If any item is NG it will be displayed as NG xxxx W When CHECK ALL is displayed it means that the optical pick up is normal Check the operations of the other spindle motor thread motor etc When displayed as it means that the optical pick up is faulty In this case replace the optical pick up 4 10 INFORMATION Display the software version Procedure 1 If displayed as INFORMATION press the YES button 2 The software version will be displayed 3 Press the MENU NO button to end this mode 4 11 WHEN MEMORY NG IS DISPLAYED If the nonvolatile memory data is abnormal E001 MEMORY will be
90. r non volatile memory IC195 of BD board record the Iop value on the optical pick up according to the following procedure Record Precedure 1 While pressing the knob and button connect the power plug to the outlet and release the knob and button 2 Rotate the knob to display 5 and press the button 3 Rotate the knob to display Write C05 and press the button 4 The display becomes Ref is an arbitrary number and the numbers which can be changed will blink 5 Input the Iop value written on the optical pick up To select the number Rotate the knob To select the digit Press the knob 6 When the button is pressed the display becomes Measu is an arbitrary number 7 As the adjustment results are recorded for the 6 value Leave it as it is and press the button 8 Complete will be displayed momentarily The value will be recorded in the non volatile memory and the display will become Write 9 Press the button to complete Display Precedure 1 While pressing the knob and LI button connect the power plug to the outlet and release the IKK AMS D gt knob and button 2 Rotate the knob to display Service and press the button 3 Rotate the knob to display Read C26 4 is displayed and the recorded contents are displayed indicates the value labeled on the optical pick up indicates the lop v
91. ress display Auto gain display Not used in servicing 3 Address display The address is displayed as follows MO recordable disc CD playback only disc If the REC MODE button is pressed the display switches from groove to pit or vice versa MO pit and CD 0000 0000 h OOO0a O000 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 error and Jitter display Not used in servicing AD error and Jitter display Not used in servicing Note is displayed when the address cannnot be read 23 MDS JE470 4 8 MEANINGS OF OTHER DISPLAYS Contents When Lit Servo ON Servo OFF Tracking servo ON Recording mode ON SYNC CLV low speed mode L SYNC ABCD adjustment completed Recording mode OFF CLV normal mode Tracking offset cancel OFF Tracking offset cancel ON Tracking auto gain OK Focus auto gain OK High reflection Groove Low reflection CLV A CLV UNLOCK 4 9 AUTOMATIC SELF DIAGNOSIS FUNCTION This test mode performs CREC and CPLAY automatically for mainly checking the characteristics of the optical pick up To perform this test mode the laser power must first be checked Perform AUTO CHECK after the laser power check and Iop check Procedure 1 Press the button If LDPWR is displayed it means that the laser powe
92. rs 22 displayed shows you the recording position addresses Ending the continuous recording mode 0 Press the button The display changes to MODE C35 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 22 MDS JE470 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 The sled moves to the outer circumference only when this is pressed lt The sled moves to the inner circumference only when this is pressed amp 00000 4 7 TEST MODE DISPLAYS Each time the LEVEL DISPLAY CHAR button is pressed the display changes in the following order When CPLAY and CREC are started the display will forcibly be switched to the error rate display as the initial mode 1 Mode display Displays TEMP ADJUST CPLAY IMODE etc Mode display 2 Error rate display Displays the error rate in the following way 0 0 00 Indicates the error AD Indicates ADER Error rate display Add
93. s possible Traverse Waveform H N I Specification B W 12 Press the button and save the adjustment results in the non volatile memory EFB SAVE will be displayed for a moment Next EF MO ADJUS is displayed The disc stops rotating automatically 13 Press the EJECT button and remove the disc 14 Load the check disc MD TDYS 1 15 Roteto IKK AMS DPA knob and display ADJUS 16 Press the button and display EFB iii CD Servo is imposed automatically 17 Rotate the KJ AMS knob so that the waveform of the oscilloscope 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 18 Press the button display EFB 00 SAVE for mo ment and save the adjustment results in the nonvolatile memory Next EF CD ADJUST will be displayed 19 Press the 2 EJECT button and remove the check disc MD TDYS 1 Note 1 MO reading data will be erased during if a recorded disc 15 used in this adjustment Note 2 If the traverse waveform 15 not clear connect the oscillo scope as shown in the following figure so that it can be seen more clearly Oscilloscope BD board 330 105 0 TE CN105 pin VC
94. s pour la s curit Ne les remplacer que par une piece portant le num ro sp cifi Remarks Description CORD POWER AEP UK HK SP CORD POWER US CND MAIN BOARD COMPLETE US CND MAIN BOARD COMPLETE AEP UK HK AUS MAIN BOARD COMPLETE SP SOCKET SHORT 2P SCREW CASE 3 TP2 BLACK SCREW CASE 3 TP2 SILVER CASE 408226 BLACK CASE 408226 SILVER ADAPTOR CONVERSION SP ADAPTOR CONVERSION PLUG UK HK VOL SEL BOARD SP TRANSFORMER POWER US CND TRANSFORMER POWER AEP UK HK AUS TRANSFORMER POWER SP 59 MDS JE470 7 2 FRONT PANEL SECTION Ref No Part No Description Remarks Ref No Part No Description Remarks 51 X 4953 710 1 PANEL ASSY FRONT BLACK 60 A 2007 911 A DISPLAY BOARD COMPLETE AEP UK HK AUS AEP UK HK SP AUS 51 X 4953 711 1 PANEL ASSY FRONT SILVER 60 A 2007 915 A DISPLAY BOARD COMPLETE SP 51 X 4953 712 1 PANEL ASSY FRONT BLACK US CND 61 4 949 935 41 CUSHION FL 54 4 951 620 01 SCREW 2 6X8 62 4 212 590 01 HOLDER FL 56 4 228 630 01 SPRING LID TENSION COIL 63 1 757 930 11 WIRE FLAT 17 CORE 64 4 231 928 01 KNOB AMS BLACK 57 4 228 629 81 LID MD BLACK 57 4 230 848 21 LID MD SILVER 64 4 231 928 11 KNOB AMS SILVER 59 1 681 737 12 KEY SW BOARD 65 3 354 981 11 SPRING SUS RING 60 A 2007 907 A DISPLAY BOARD COMPLETE US CND FL7
95. sing the Continuously Recorded Disc 5 6 6 Traverse Check Connection Oscilloscope BD board CN105 pin O lt 105 pin VC V 0 5 V div H 10 ms div Input DC mode Checking Procedure 1 Connect an oscilloscope to CN105 pin 4 TE and CN105 pin 6 VC of the BD board 2 Load a test disc MDW 74 GA 1 Refer to Note 1 3 Press the button and move the optical pick up outside the pit 4 Rotate the IK AMS PPT and display EF MO CHECK Laser power READ power Focus servo ON tracking servo OFF spindle S servo ON MDS JE470 6 Observe the waveform of the oscilloscope and check that the specified value is satisfied Do not rotate AMS knob Read power traverse checking Traverse Waveform vc MA 1 1 I Specified value Below 10 offset value IA BI 2 A B Offset value 96 X 100 7 Press the button and display EFB MO W 8 Observe the waveform of the oscilloscope and check that the specified value is satisfied Do not rotate the lt lt AMS lt lt knob Write power traverse checking Traverse Waveform uM 00 vc n I Specified value Below 10 offset value IA 100 2 A B Offset value 96 Then the optical pick up moves to the pit area automatically and servo is imposed 10 Observ
96. t No 1 249 401 11 1 247 807 31 1 762 875 21 1 762 8 75 21 1 762 8 75 21 1 762 8 75 21 1 762 8 75 21 1 762 8 75 21 1 762 8 75 21 1 762 8 75 21 1 475 235 21 1 762 875 21 1 762 875 21 1 762 875 21 1 762 875 21 Description Remarks CARBON 47 5 1 4W 100 5 1 4W lt SWITCH gt SWITCH KEYBOARD REC SWITCH KEYBOARD SWITCH KEYBOARD gt gt SWITCH KEYBOARD 44 SWITCH KEYBOARD MH SWITCH KEYBOARD SWITCH KEYBOARD MENU NO SWITCH KEYBOARD YES ENCODER ROTARY AMS bP PUSH ENTER SWITCH KEYBOARD CLEAR SWITCH KEYBOARD INPUT SWITCH KEYBOARD REC MODE SWITCH KEYBOARD EJECT amp k KK K K K K K K K K K K K K K K R C740 CN720 0726 0726 2 R723 R724 R725 R1726 S722 S723 S724 S726 1 681 737 12 1 164 159 11 1 785 713 11 8 719 046 44 8 729 900 80 1 249 421 11 1 247 843 11 1 249 425 11 1 249 437 11 1 249 409 11 1 762 875 21 1 762 875 21 1 762 875 21 1 762 875 21 KEY SW BOARD sk ak ak ak ak 2k lt CAPACITOR gt CERAMIC 0 1uF 50V AEP UK HK SP AUS lt CONNECTOR gt CONNECTOR BOARD TO BOARD 4P lt DIODE gt LED SEL5221S TP15 STANDBY TRANSISTOR TRANSISTOR UN4211 TA lt RESISTOR gt CARBON 2 2K 5 3 3K 5 1 4W CARBON 4 7K 5 1 4W 47 5 1 4W CARBON 220 5 1 4W lt SWITCH gt SWITCH
97. tput FE Sled servo drive PWM output I S Test input Fixed at L 96 98 TEST1 to TEST3 m 1t DVSS Ground Digital EFMO ES EFM output when recording Abbreviation EFM Eight to Fourteen Modulation 55 MDS JE470 E e e M Tl 7 lt o m J O gt gt J 5 FLDT Serial data signal output to the display driver FLCK 1 1 SIRCS Serial clock signal output to the display driver L Active A Control input Fixed at L Remote control input Not used BYTE CNVSS XIN T XOUT T S RST XOUT Data bus changed input Connected to ground Ground 10 11 12 13 Not used open Not used open System rest input L ON Main clock output 1OMHz Ground Main clock input 10 Power supply 3 3V Fixed at H Pull up UA Z C M DQSY P DOWN SQSY KB CLK KB DATA BUSY Al OUT XINIT BEEP LRCKI POWER CLK DATA SWDT SRDT SCLK KB CLK CTRL CLIP TX CLIP RX ON lt 2 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 8 Digital in sync input Record system Power down detection input L Power down ADIP MO sync or subcode Q PIT sync input from CXD2662R Playback system Keyboard clock input Fixed at H Keyboard data input Fixed at
98. ve an accurate low voltage scale The Simpson 250 and Sanwa SH 63Trd are examples of a pas sive VOM that is suitable Nearly all battery operated digital multimeters that have a 2V AC range are suitable See Fig A To Exposed Metal Parts on Set AC 0 15 Ln voltmeter 0 75V Earth Ground Fig A Using an AC voltmeter to check AC leakage SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK A OR DOTTED LINE WITH MARK ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY NOTES ON HANDLING THE OPTICAL PICK UP BLOCK OR BASE UNIT The laser diode in the optical pick up block may suffer electrostatic break down because of the potential difference generated by the charged electrostatic load etc on clothing and the human body During repair pay attention to electrostatic break down and also use the procedure in the printed matter which is included in the repair parts The flexible board is easily damaged and should be handled with care NOTES ON LASER DIODE EMISSION CHECK Never look into the laser diode emission from right above when checking it for adjustment It is feared that you will lose your sight Laser component in this product is capable of emitting radiation exceeding the limit for Class 1 This appliance is classified as a CLAS
99. y display If more than two causes they will be added Example When 42 is displayed Higher bit 4 0100 6 Lower bit 2 0010 bl In this case the retry cause is combined of CLV unlock and ader5 When A2 is displayed Higher 011 1010 b7 b5 Lower bit 2 0010 2 The retry cause in this case is combined of access fault IVR rec error and ader5 Reading the Track Mode Hexadecimal COH decimal v7 b6 bs 64 3 62 bl feo in 01 EmpheisOFF LDUDDIUDUMGN This is 2 bit display Normally 01 01 Normal audio Others Invalid AdeNomh iui 00 100000 0 20 Og Digital copy 20 Copyright No copyright 110 0 0 0 0 0 0 80 Wrteprohibited Writeallowed 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 b7 Lower bit 4 0100 b2 In this case as b2 and b7 are 1 and others 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 Lower bit 7 0111 b0 b1 b2 In this case 51 and b2 are and others are 0 it can be determine

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