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SERVICE MANUAL

SUPER AUDIO CD PLAYER

AEP Model

UK Model

SPECIFICATIONS

SCD-XB940

Model Name Using Similar Mechanism

NEW

CD Mechanism Type

CDM55B-DVBU3

Base Unit Name

DVBU3

Optical Pick-up Name

KHM-220AAA/J1N

– Continued on next page –

Photo: Black type

Ver 1.1 2002.05

9-929-212-12

Sony Corporation

2002E0500-1

Home Audio Company

2002.05

Published by Sony Engineering Corporation

Содержание SCD-XB940

Страница 1: ...Name Using Similar Mechanism NEW CD Mechanism Type CDM55B DVBU3 Base Unit Name DVBU3 Optical Pick up Name KHM 220AAA J1N Continued on next page Photo Black type Ver 1 1 2002 05 9 929 212 12 Sony Corporation 2002E0500 1 Home Audio Company C 2002 05 Published by Sony Engineering Corporation ...

Страница 2: ... Never reuse a disconnected chip component Notice that the minus side of a tantalum capacitor may be dam aged by heat Flexible Circuit Board Repairing Keep the temperature of the soldering iron around 270 C dur ing repairing Do not touch the soldering iron on the same conductor of the circuit board within 3 times Be careful not to apply force on the conductor when soldering or unsoldering CAUTION ...

Страница 3: ...agram MAIN Board 4 6 19 4 10 Schematic Diagram MAIN Board 5 6 20 4 11 Schematic Diagram MAIN Board 6 6 21 4 12 Printed Wiring Board AUDIO Board 22 4 13 Schematic Diagram AUDIO Board 23 4 14 Printed Wiring Board HP Board 24 4 15 Schematic Diagram HP Board 24 4 16 Printed Wiring Board LOADING Board 25 4 17 Schematic Diagram LOADING Board 25 4 18 Printed Wiring Board DISPLAY Board 26 4 19 Schematic D...

Страница 4: ... Back Panel SECTION 1 SERVICING NOTES NOTES ON HANDLING THE OPTICAL PICK UP BLOCK OR BASE UNIT Part No HOW TO OPEN THE TRAY WHEN POWER SWITCH TURNS OFF There are two different methods to open the tray Method 1 Insert a screw driver 3 into the aperture of the unit bottom and turn it in the direction of the arrow to OUT direction tray screw driver 3 To close the disc table turn the screw driver 3 in...

Страница 5: ...5 SECTION 2 GENERAL This section is extracted from instruction manual ...

Страница 6: ...6 ...

Страница 7: ...7 ...

Страница 8: ...screws BVTP2 6 8 7 two claws 3 wire flat type 10 core CN601 5 holder 1 Pull out the tray Refer to page 4 HOW TO OPEN THE TRAY WHEN POWER SWITCH TRANS OFF q five screws BVTP2 6 8 8 COVER 4095269 FRONT PANEL SECTION Note Follow the disassembly procedure in the numerical order given SECTION 3 DISASSEMBLY 1 two screws 1 two screws 1 two screws 1 two screws 3 cover 4095269 2 2 ...

Страница 9: ...e screws BV RING 2 wire flat type 10 core CN601 2 two wires flat type 16 core CN608 611 q AUDIO board 8 screw BVTT3 8 1 Pull out the tray Refer to page 4 HOW TO OPEN THE TRAY WHEN POWER SWITCH TRANS OFF 5 screw BVTT3 8 6 mechanism deck CDM55B DVBU3 4 connector CN605 3 two wires flat type 18 core CN602 603 2 loading panel ass y 1 Pull out the tray Refer to page 4 HOW TO OPEN THE TRAY WHEN POWER SWI...

Страница 10: ...10 TRAY 1 Remove the tray Careful of the claw claw claw ...

Страница 11: ...tors are in µF unless otherwise noted pF µµF 50 WV or less are not indicated except for electrolytics and tantalums All resistors are in Ω and 1 4 W or less unless otherwise specified f internal component 5 fusible resistor C panel designation U B Line V B Line Voltages and waveforms are dc with respect to ground under no signal conditions no mark STOP Voltages are taken with aVOM Input impedance ...

Страница 12: ...12 12 SCD XB940 4 2 PRINTED WIRING BOARD TK Board See page 11 for Circuit Boards Location Page 14 Page 14 ...

Страница 13: ...CD XB940 4 3 SCHEMATIC DIAGRAM TK Board See page 32 for Waveforms The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified Page 16 Page 16 ...

Страница 14: ...BOARD MAIN Board Component Side See page 11 for Circuit Boards Location Semiconductor Location Ref No Location IC605 G 7 IC607 F 4 IC612 D 6 IC617 B 6 IC621 B 7 IC622 D 3 IC632 D 9 Page 12 Page 12 Page 28 Page 25 Page 26 Page 22 Page 22 ...

Страница 15: ...ctor Location Ref No Location D600 G 3 D604 G 3 D605 E 3 D606 G 2 D607 E 2 D608 G 2 D609 G 3 D610 G 3 D612 G 9 IC600 G 6 IC606 G 6 IC609 D 9 IC610 F 4 IC613 G 4 IC614 F 2 IC615 G 2 IC616 C 2 IC618 C 4 IC619 E 1 IC620 A 4 IC623 C 6 IC624 A 7 IC625 B 6 IC627 B 4 IC628 D 3 IC629 B 4 IC630 B 4 Q601 G 3 Q602 E 4 Q603 F 4 ...

Страница 16: ...16 16 SCD XB940 4 6 SCHEMATIC DIAGRAM MAIN Board 1 6 See page 32 for Waveforms Page 29 Page 13 Page 13 Page 27 Page 19 Page 20 Page 21 Page 20 Page 20 Page 17 Page 18 ...

Страница 17: ...17 17 SCD XB940 4 7 SCHEMATIC DIAGRAM MAIN Board 2 6 Page 16 Page 20 Page 21 Page 18 Page 21 ...

Страница 18: ...18 18 SCD XB940 4 8 SCHEMATIC DIAGRAM MAIN Board 3 6 See page 32 for Waveforms See page 34 for IC Block Diagram Page 16 Page 17 Page 19 Page 20 Page 21 Page 23 Page 23 Page 25 ...

Страница 19: ...19 19 SCD XB940 4 9 SCHEMATIC DIAGRAM MAIN Board 4 6 See page 32 for Waveform Page 16 Page 18 Page 20 ...

Страница 20: ...20 20 SCD XB940 4 10 SCHEMATIC DIAGRAM MAIN Board 5 6 Page 16 Page 19 Page 17 Page 16 Page 16 Page 18 Page 21 ...

Страница 21: ...21 21 SCD XB940 4 11 SCHEMATIC DIAGRAM MAIN Board 6 6 See page 32 for Waveforms See page 34 for IC Block Diagram Page 17 Page 16 Page 17 Page 20 Page 18 ...

Страница 22: ...Ref No Location D302 C 2 D303 F 2 D321 E 13 IC301 E 17 IC302 E 11 IC303 F 11 IC304 C 11 IC305 B 11 IC306 C 19 IC307 E 6 IC308 A 6 IC309 C 18 IC331 C 3 IC352 A 16 IC401 F 15 IC402 D 9 IC403 D 7 IC501 C 14 IC502 B 9 IC503 B 7 Q301 F 1 Q302 F 2 Q303 F 3 Q351 A 19 Q403 C 2 Q503 C 2 Page 28 Page 24 Page 14 Page 14 Page 28 ...

Страница 23: ... AUDIO Board See page 32 for Waveforms See page 34 for IC Block Diagrams The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified Page 29 Page 18 Page 18 Page 29 Page 24 ...

Страница 24: ...24 24 SCD XB940 4 14 PRINTED WIRING BOARD HP Board See page 11 for Circuit Boards Location 4 15 SCHEMATIC DIAGRAM HP Board Page 22 Page 23 ...

Страница 25: ...25 25 SCD XB940 4 16 PRINTED WIRING BOARD LOADING Board See page 11 for Circuit Boards Location 4 17 SCHEMATIC DIAGRAM LOADING Board 05 OPEN CLOSE Page 14 Page 18 ...

Страница 26: ...940 4 18 PRINTED WIRING BOARD DISPLAY Board See page 11 for Circuit Boards Location Semiconductor Location Ref No Location D201 A 3 IC201 C 9 IC202 C 6 IC203 B 4 IC271 A 4 Q201 C 7 Q202 C 7 Q203 C 7 Page 14 Page 28 ...

Страница 27: ...27 27 SCD XB940 4 19 SCHEMATIC DIAGRAM DISPLAY Board See page 32 for Waveforms Page 29 Page 16 ...

Страница 28: ...ef No Location D901 E 5 D902 E 5 D903 E 4 D904 E 4 D905 D 3 D906 D 3 D907 D 3 D908 D 3 D909 D 2 D910 D 2 D911 D 2 D912 D 2 D913 D 2 D914 D 2 D915 D 1 D916 D 1 D917 E 2 D918 E 1 D919 E 1 D920 E 1 D921 A 2 D922 A 3 IC903 B 5 IC904 C 3 IC905 C 1 IC906 C 5 IC907 C 2 Q921 A 2 Page 30 Page 30 Page 22 Page 26 Page 14 Page 22 ...

Страница 29: ...940 4 21 SCHEMATIC DIAGRAM POWER Board The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified Page 27 Page 16 Page 23 Page 23 Page 31 Page 31 ...

Страница 30: ...30 30 SCD XB940 4 22 PRINTED WIRING BOARDS AC SW TRANSFORMER Boards See page 11 for Circuit Boards Location TO TRANSFORMER BOARD TO AC SW BOARD Page 28 Page 28 ...

Страница 31: ... 31 SCD XB940 4 23 SCHEMATIC DIAGRAM AC SW TRANSFORMER Boards The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified Page 29 Page 29 ...

Страница 32: ... IC621 8 X2Q 6 IC617 rs BCKD 9 IC621 qa 2CK q IC623 1 2 1 Vp p 88 5 ns 3 8 Vp p 177 ns 3 7 Vp p 354 ns 3 1 Vp p 177 ns 3 4 Vp p 354 ns qa IC617 qf MCKI IC622 zxc SCKI IC623 8 qs IC622 ql RFIN2 CD PLAY qd IC622 oa SDCK 2 IC301 rf LVCKO2 IC309 1 CLK 3 IC301 rl BCKI AUDIO Board 1 IC301 qs XOUT 4 IC301 t LRCKI 5 IC301 ta SBCKI 6 IC309 5 Q qf IC622 z BCLK qg IC622 z LRCK 2 9 Vp p 29 5 ns Approx 1 4 Vp ...

Страница 33: ...33 2 IC203 ea EXTAL DISPLAY Board 1 IC201 tk OSCO 4 1 Vp p 484 ns 3 8 Vp p 8 MHz ...

Страница 34: ...6 27 23 24 25 18 20 19 22 21 2 1 4 3 6 5 8 7 10 9 VSS DQ15 DQ14 DQ13 DQ12 VSS DQ11 DQ10 DQ9 DQ8 43 44 41 42 39 40 37 38 35 36 31 I O SELECTOR OUTPUT BUFFER INPUT BUFFER OUTPUT BUFFER INPUT BUFFER SENSE AMPLIFIER COLUMN DECODERS MEMORY CELLS WORD DRIVERS ROW DECODERS COLUMN ADDRESS BUFFERS LCAS 30 UCAS 29 OE I O CONTROLLER I O CONTROLLER 15 16 17 11 14 NC 34 32 ROW ADDRESS BUFFERS INTERNAL ADDRESS ...

Страница 35: ...GND 1 CK Q D C 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 SWITCHING CIRCUIT CONSTANT CURRENT CIRCUIT REFERENCE VOLTAGE CIRCUIT CONTROL CIRCUIT I01 IN2 IN2 NC IN1 IN1 NC C4 C3 GND2 VEE2 VEE1 C6 C5 CIREF I02 NC I01 I02 NC VCC2 C2 C1 VCC1 VREF VCNT GND1 RIREF ...

Страница 36: ... from the original one Color Indication of Appearance Parts Example KNOB BALANCE WHITE RED Parts Color Cabinet s Color 7 7 3 7 8 4 5 6 4 5 1 2 1 1 Front panel section Ref No Part No Description Remark Ref No Part No Description Remark 1 X 4952 805 1 PANEL ASSY LOADING BLACK 1 X 4952 806 1 PANEL ASSY LOADING SILVER 2 3 704 515 31 SCREW BV RING 3 4 210 291 01 SCREW CASE3 TP2 AEP BLACK 3 4 210 291 11...

Страница 37: ...41 EMBLEM NO 5 SONY for BLACK 55 4 942 568 61 EMBLEM NO 5 SONY for SILVER 56 4 227 832 01 BASE L PANEL BLACK 56 4 227 832 11 BASE L PANEL SILVER 57 4 998 790 31 KNOB POWER BLACK 57 4 998 790 41 KNOB POWER SILVER 58 4 951 620 01 SCREW 2 6X8 BVTP 59 1 677 735 11 AC SW BOARD 60 1 677 734 11 HP BOARD 61 4 227 841 01 EMBLEM SACD for BLACK 61 4 227 841 11 EMBLEM SACD for SILVER 62 4 227 184 01 BASE M PA...

Страница 38: ... CORE 105 3 704 515 21 SCREW BV RING 106 1 543 653 11 CORE ASSY BEAD DIVISION TYPE 107 A 4725 088 A AUDIO BOARD COMPLETE AEP 107 A 4725 094 A AUDIO BOARD COMPLETE UK 108 3 677 153 00 HOLDER 109 1 792 599 11 WIRE FLAT TYPE 16 CORE 110 A 4725 086 A MAIN BOARD COMPLETE 111 4 227 711 01 PANEL BACK AEP 111 4 227 711 11 PANEL BACK UK 112 4 966 267 11 BUSHING FBS001 CORD 0113 1 558 568 21 CORD POWER AEP ...

Страница 39: ...01 PULLEY LDG 157 4 220 237 01 GEAR A 158 4 220 238 01 GEAR B 159 4 220 233 01 CAM CDM55 160 4 226 180 11 TRAY 55 L 161 1 674 336 11 LOADING BOARD 162 4 981 923 01 SCREW M STEP 163 3 053 847 01 INSULATOR 164 4 220 230 01 CHASSIS 165 A 4725 072 A TK BOARD COMPLETE 0166 A 6062 397 A OPTICAL PICK UP KHM 220AAA 167 4 985 672 01 SCREW PTPWH M2 6 FLOATING 168 4 221 815 01 ROLLER 169 4 925 315 31 DAMPER ...

Страница 40: ...ms SEMICONDUCTORS In each case u µ for example uA µA uPA µPA uPB µPB uPC µPC uPD µPD CAPACITORS uF µF COILS uH µH The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified When indicating parts by reference number please include the board C324 1 102 944 00 CERAMIC 7PF 0 5PF 50V C325 1 102 944 00 CERAMIC 7PF 0 5PF 50V C326 1 115 1...

Страница 41: ... 13 DIODE DTZ TT11 6 8C D321 8 719 210 39 DIODE EC10QS04 TE12L5 GROUND TERMINAL EB301 1 537 770 21 TERMINAL BOARD GROUND IC IC301 8 759 653 12 IC CXD9556Q IC302 8 759 231 53 IC M5F7805L IC303 8 759 231 53 IC M5F7805L IC304 8 759 604 86 IC M5F7807L IC305 8 759 604 90 IC M5F7907L IC306 8 759 445 59 IC BA033T IC307 8 759 231 58 IC M5F7812L IC308 8 759 245 86 IC M5F7912L IC309 8 759 180 84 IC TC7W74F ...

Страница 42: ...216 105 00 RES CHIP 220K 5 1 10W R431 1 259 992 11 CARBON MELF 560 2 1 8W R432 1 216 057 00 METAL CHIP 2 2K 5 1 10W R451 1 216 085 00 METAL CHIP 33K 5 1 10W R452 1 216 104 00 METAL CHIP 200K 5 1 10W R453 1 216 107 00 METAL CHIP 270K 5 1 10W R454 1 216 119 00 METAL CHIP 820K 5 1 10W R455 1 216 019 00 METAL CHIP 56 5 1 10W R463 1 216 057 00 METAL CHIP 2 2K 5 1 10W R501 1 216 023 00 METAL CHIP 82 5 1...

Страница 43: ...216 097 00 RES CHIP 100K 5 1 10W R227 1 216 073 00 METAL CHIP 10K 5 1 10W R230 1 216 073 00 METAL CHIP 10K 5 1 10W R231 1 216 073 00 METAL CHIP 10K 5 1 10W R232 1 216 073 00 METAL CHIP 10K 5 1 10W R233 1 216 073 00 METAL CHIP 10K 5 1 10W R234 1 216 073 00 METAL CHIP 10K 5 1 10W R235 1 216 073 00 METAL CHIP 10K 5 1 10W R236 1 216 073 00 METAL CHIP 10K 5 1 10W R237 1 216 025 00 RES CHIP 100 5 1 10W ...

Страница 44: ...F 10 25V C655 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C656 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C657 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C658 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C659 1 125 822 11 TANTALUM 10uF 20 10V C660 1 164 677 11 CERAMIC CHIP 0 033uF 10 16V C661 1 164 677 11 CERAMIC CHIP 0 033uF 10 16V C662 1 110 563 11 CERAMIC CHIP 0 068uF 10 16V C663 1 110 563 11 CERAMIC CHIP 0 0...

Страница 45: ...62 970 11 CERAMIC CHIP 0 01uF 10 25V C760 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C762 1 164 346 11 CERAMIC CHIP 1uF 16V C763 1 164 346 11 CERAMIC CHIP 1uF 16V CONNECTOR CN600 1 790 675 11 PIN CONNECTOR PC BOARD 7P CN601 1 784 369 21 CONNECTOR FFC FPC 10P CN602 1 793 990 11 CONNECTOR FFC FPC 18P CN603 1 793 990 11 CONNECTOR FFC FPC 18P CN605 1 790 669 21 PIN CONNECTOR PC BOARD 9P CN608 1 784 375 2...

Страница 46: ... 1 16W R617 1 216 833 11 RES CHIP 10K 5 1 16W R618 1 216 813 11 METAL CHIP 220 5 1 16W R619 1 216 833 11 RES CHIP 10K 5 1 16W R620 1 216 813 11 METAL CHIP 220 5 1 16W R621 1 216 813 11 METAL CHIP 220 5 1 16W R622 1 216 813 11 METAL CHIP 220 5 1 16W R624 1 216 813 11 METAL CHIP 220 5 1 16W R625 1 216 833 11 RES CHIP 10K 5 1 16W R626 1 216 813 11 METAL CHIP 220 5 1 16W R627 1 216 833 11 RES CHIP 10K...

Страница 47: ... 5 1 8W R772 1 216 848 11 METAL CHIP 180K 5 1 16W R773 1 216 848 11 METAL CHIP 180K 5 1 16W R774 1 216 848 11 METAL CHIP 180K 5 1 16W R775 1 216 844 11 METAL CHIP 82K 5 1 16W R776 1 216 843 11 METAL CHIP 68K 5 1 16W R777 1 216 837 11 METAL CHIP 22K 5 1 16W R778 1 216 837 11 METAL CHIP 22K 5 1 16W R779 1 216 833 11 RES CHIP 10K 5 1 16W R780 1 216 833 11 RES CHIP 10K 5 1 16W R781 1 216 851 11 METAL ...

Страница 48: ... CHIP 10K 5 1 16W R898 1 216 809 11 METAL CHIP 100 5 1 16W R899 1 216 809 11 METAL CHIP 100 5 1 16W R901 1 216 833 11 RES CHIP 10K 5 1 16W R902 1 216 833 11 RES CHIP 10K 5 1 16W R903 1 216 833 11 RES CHIP 10K 5 1 16W R904 1 216 833 11 RES CHIP 10K 5 1 16W R905 1 216 833 11 RES CHIP 10K 5 1 16W R906 1 216 833 11 RES CHIP 10K 5 1 16W R908 1 216 803 11 METAL CHIP 33 5 1 16W R909 1 216 815 11 METAL CH...

Страница 49: ... FILTER NOISE L908 1 424 122 11 FILTER NOISE TRANSISTOR Q921 8 729 041 38 TRANSISTOR 2SB1241TV2Q RESISTOR 0R901 1 217 796 11 FUSIBLE 33 5 5W F R902 1 216 295 00 SHORT 0 R921 1 216 061 00 METAL CHIP 3 3K 5 1 10W R922 1 216 061 00 METAL CHIP 3 3K 5 1 10W R923 1 216 174 00 RES CHIP 100 5 1 8W R925 1 216 174 00 RES CHIP 100 5 1 8W R926 1 216 689 11 METAL CHIP 39K 0 5 1 10W R927 1 216 109 00 METAL CHIP...

Страница 50: ... 16W R022 1 216 811 11 METAL CHIP 150 5 1 16W R023 1 216 820 11 METAL CHIP 820 5 1 16W R025 1 216 813 11 METAL CHIP 220 5 1 16W R026 1 216 864 11 METAL CHIP 0 5 1 16W R029 1 216 861 11 METAL CHIP 2 2M 5 1 16W 1 677 732 11 TRANSFORMER BOARD CAPACITOR 0C995 1 113 927 11 CERAMIC 10000PF 20 250V 0C996 1 113 927 11 CERAMIC 10000PF 20 250V CONNECTOR 0CN991 1 573 047 11 PIN CONNECTOR PC BOARD 2P CN992 1 ...

Страница 51: ...2 Addition of Block Diagram and IC Pin Function Description TABLE OF CONTENTS 1 TEST MODE 2 2 DIAGRAMS 2 1 Block Diagram RF SERVO Section 9 2 2 Block Diagram MAIN Section 1 2 10 2 3 Block Diagram MAIN Section 2 2 11 2 4 Block Diagram AUDIO Section 12 2 5 Block Diagram DISPLAY POWER SUPPLY Section 13 2 6 IC Pin Function Description 14 ...

Страница 52: ...osis of EEPROM 3 HGA Self diagnosis of HGA 4 Servo DSP Self diagnosis of servo DSP 5 ARP Self diagnosis of ARP 6 SACD Chip Self diagnosis of SACD chip 7 SD Bus Self diagnosis of SD Bus 8 Diag Hist Self diagnosis emergency history display 1 0 All SELF From the SELF DIAG Menu display rotate AMS controller clockwise to select 0 All SELF and press AMS controller Then the self diagnosis of items 1 7 wi...

Страница 53: ...OK Diag Success 0 All Check 7 6 SACD Chip From the SELF DIAG Menu display rotate AMS controller clockwise to select 6 SACD Chip Checking items DISPLAY Contents of Check 0 All Check Check of all items 1 and 2 1 DSD Chp Bus Check presence of error in SACD DSD Chp Bus 2 DSD Chp DRAM Check presence of error in SACD DSD Chp DRAM 1 1 DSD Chp Bus From the 6 SACD Chip display press AMS controller and then...

Страница 54: ...Set HYBRID 12 insert the disc and press AMS controller Then the adjustment will be executed in the following steps and the adjustment values will be written to the EEPROM However if a hybrid disc 12 cm is not available skip this adjust ment In this case press the x button to quit the adjustment Upon completion Remove Disc message is displayed and the CD is ejected 6 5 All Adj LFO From the Auto Adj...

Страница 55: ...5 Auto Adj Auto adjustment 6 Mem Check Servo memory check 0 Disc Chk Mem Disc check 1 1 Disc Type From the Manual Opr menu rotate AMS controller clockwise to select 1 Disc Type Press AMS controller and then Disc Type will be displayed where you can select the following menu by rotating the AMS controller and also can check each menu item by pressing the AMS controller l L l L l L l L l L DISPLAY C...

Страница 56: ...Disc Chk Disc Type Check 3 DL Disc Chk 0 Rst Sld Tlt Tilt and Sled are reset Select the menu 1 3 and press the AMS control ler and New 3D will be displayed and then each display corresponding to the selected menu 1 3 will return 3 Mecha Aging Menu This is the mechanism aging mode From the Test Mode Menu rotate AMS controller clockwise to select 3 Mecha Aging Press AMS con controller and Mecha Agin...

Страница 57: ...r adjustment Also rotating the AMS controller can jump to inner track middle track or outer track However the address is fixed Music cannot be searched For a dual layer disc a jump between layers is pos sible 1 Play HD HL0 2 Play CD HL1 3 Jp Md1 Track 4 Jp Inn Track 5 Jp Out Track 6 Jp DL0 DL1 7 Jp DL1 DL0 3 Press A button to change the disc l L l L l L l L l L 7 PDM Mode Menu This mode is not nor...

Страница 58: ... On Laser diode ON 11 Ld Off Laser diode OFF 12 Focus Search Focus Search 13 Focus Off Focus Servo OFF 14 Focus Search On Focus Servo ON 15 Tracking On Tracking Servo ON 17 Tracking Off Tracking Servo OFF 18 Sled On Sled Servo ON 19 Sled Off Sled Servo OFF 1A Sled Move Fwd Sled Move Foward 1B Sled Move Rev Sled Move Reverse 1C Sled Direct Move Sled Direct Move 1D Spdl Start disc size cheking and s...

Страница 59: ...TAGE GENERATOR IC613 2 2 2 5VC 2VC 1 6V DVD RF CDRF 5V 3 3V CENTER VOLTAGE GENERATOR IC610 2 2 5 7 3 3V 2VC 4 3 2 1 GIO5 ADC0 GIO6 GIO7 GIO8 ADC1 ADC2 DAB2 GIO2 ADC3 DAB0 GIO4 GIO1 DAB1 DAB3 TRREF TRIN DFCT1 GIO11 DIGITAL SERVO SIGNAL PROCESSOR IC607 FDCHG FCD TLTB TE GAIN TRD TLTA TRD FCD SSDFCT INLIM SP ERROR LOCK MCK1 LOCK MCK1 MCK X601 27MHZ FGAEF X1 RS GIO10 HINT HCS HMR EA0 1 HD0 7 ADC5 9 X2...

Страница 60: ...AR SDATAL DSAR DSAL 26 25 CDBCK CDLRCK Page 12 Page 12 Page 12 Page 12 17 110 DVD RF CD RF DVD RF CD RF D RAM IC628 DQ1 16 A0 8 WE OE RAS UCAS LCAS HD0 15 HD0 15 MA0 8 RFIN2 LOCK MCK1 MDSO MDPO MD2 MUTE DFCT NORF FWON XMR XRD XWAT XRST XINT XCS D0 7 A0 7 XMWR XDE XRAS XCAS RFIN1 RF IN LOCK LOCK MCK1 MDSO MDPO HD0 15 HD0 19 MD2 MUTE DFCT NORF FWON XARPWR XARPRD XARPCS XARPWT XARPRST XARPINT AVDRST ...

Страница 61: ... LDMP DMP LDMM DMM XSDPINT XSDPCS XSDPWR XSDPRD XARPWT XARPRST XARPINT FWON XARPWR XARPRD XARPCS MD2 MUTE DFCT NORF LOCK SPGAIN OCSW1 OCSW2 XDRV MUTE SPDLSTOP XSDPRST FCSON XSDPRD XSDPWR XSDPCS XSDPINT MCK LDMM DMM LDMP DMP HD0 15 HD8 15 HD0 15 HD0 16 HD0 15 HA1 16 HA1 18 HA0 19 HA0 5 HA17 19 HA0 19 MCK SDSPRD SDSPWR SDPCS SDPIT MD2 MUTE DFCT NORF FWON ARPWR ARPRD ARPCS ARPWT AVDRST XIFINT ARPRST ...

Страница 62: ...O DIGITAL FILTER D A CONVERTER IC301 CD DATA CD BCK CD LRCK SDATA L SDATA R 256FSO IN INIT LATCH SHIFT DATA MODE Page 10 INIT LATCH SHIFT DATA MODE IN2 IN2 IN1 IN1 VEE1 VCC1 I01 I02 I01 I02 7V 7V CIREF 5V CURRENT PULSE IC401 CURRENT PULSE IC501 I V CONVERSION IC402 AUDIO FILTER IC403 1 2 AUDIO FILTER IC403 2 2 RY301 HEADPHONE AMP IC331 1 2 7V 7V 5V IN2 IO1 IO2 IO1 IO2 IN2 IN1 IN1 VCC1 VEE1 I V CON...

Страница 63: ...RESET SIGNAL GENERATOR IC271 IFBSY Page 11 Page 11 5V IFSI0 IFSO0 IFSCO XIFCS XFRRST D201 IFSI0 IFSO0 IFSCO XIFCS ACK RESET SOUT SIN SCK REQ SIRCS CP CS DA RESET OUT KEY 0 JOG2 JOG1 EXTAL XTAL DISPLAY CONTROLLER IC203 FLUORESCENT INDICATOR TUBE DRIVE IC201 X201 8MHz FL CLK FLT FL DATA FL RST P35 S201 2 2 S251 254 F1 F2 FLUORESCENT INDICATOR TUBE FL201 POWER TRANSFORMER DIGITAL T901 F1 F2 RECT D917...

Страница 64: ... A17 P61 A18 P62 A20 P64 A21 P65 A22 P66 A23 P67 INT4 PG4 to INT7 PG7 Pin No Pin Name I O Description 52 VSS Ground terminal digital system 53 X1 O System clock output terminal 12 5MHz 54 X0 I System clock input terminal 12 5MHz 55 VCC Power supply terminal 3 3V digital system 56 RAS0 PB0 O Control signal output terminal Not used fixed at H 57 CS0L PB1 O Interrupt request signal output to the disp...

Страница 65: ...gnal input terminal 24 PGREF I PG reference signal input terminal Not used open 25 PGIN I PG signal input terminal Not used open 26 RS I Reset signal input from the expander IC612 27 LG I Not used open 28 DFCT1 I Defect signal input terminal 29 HEAD I Head signal input terminal Not used open 30 CLKODIS I CLKOUT1 pin ea disable signal input terminal H disable fixed at L in this set 31 CLKOUT1 O Mas...

Страница 66: ...S3V2 Ground terminal analog system 83 VDD3V2 Power supply terminal 3 3V analog system 84 VRB2 I Reference voltage bottom input terminal for D A converter 85 DAB2 O Focus coil control signal output to the focus coil drive IC614 86 VRT2 I Reference voltage top input terminal for D A converter 87 VCCA3 Power supply terminal 3 3V analog system 88 GNDA3 Ground terminal analog system 89 GNDA4 Ground ter...

Страница 67: ...minal digital system 117 HD7 HIO I O Two way data bus with the system controller IC605 S RAM IC609 expander IC612 RF signal decoder IC622 and ROM IC632 118 to 120 I O Two way data bus with the system controller IC605 S RAM IC609 expander IC612 RF signal decoder IC622 and ROM IC632 121 VDD Power supply terminal 3 3V digital system 122 to 125 I O Two way data bus with the system controller IC605 S R...

Страница 68: ... EEPROM IC600 25 XEBSY I Busy signal input from the EEPROM IC600 L busy 26 DACRST O Not used open 27 57RST O Not used open 28 01CS O Not used open 29 30 01IT0 01IT1 I Not used open 31 01RST O Not used open 32 KRRST O Not used open 33 XKRDY I Not used fixed at H 34 KARLT O Not used open 35 CLAPBSY I Not used fixed at H 36 CLAPSW1 O Not used open 37 CLAPSW0 O Not used open 38 OTASUKE I Not used fixe...

Страница 69: ... fixed at L 87 DLSW I Not used fixed at L 88 CKSW1 I Not used fixed at H 89 90 CKMM CKMP O Not used open 91 92 LDMM LDMP O Loading motor M1 control signal output to the loading motor drive IC615 93 XDRVMUTE O Muting signal output terminal L muting 94 SPGAIN O Spindle gain control signal output terminal 95 KARAOKEON O Not used open 96 XDACS2 O Not used open 97 XDACS3 O Not used open 98 MUTE O Mutin...

Страница 70: ...AMLB O Low byte write enable signal output to the S RAM IC609 126 to 133 HD7 to HD0 I O Two way data bus with the system controller IC605 S RAM IC609 RF signal decoder IC622 and ROM IC632 134 GND Ground terminal 135 CPUCK I Clock signal input from the system controller IC605 136 GND Ground terminal 137 HDAK1IN I Not used fixed at H 138 HDAK0IN I Not used fixed at H 139 HDRQ1OUT O Not used open 140...

Страница 71: ...open 20 NC Not used open 21 MNT2 O Monitor 2 signal output terminal Not used open 22 TRST I Reset signal input from the expander IC612 L reset 23 TCK I Clock signal input terminal for test normally fixed at L 24 TDI I Data input terminal for test normally open 25 TENA1 I Data enable signal input terminal for test normally open 26 TDO O Data output terminal for test normally open 27 VST Ground term...

Страница 72: ...al output to the D RAM IC625 69 XOE O Read enable signal output to the D RAM IC625 70 to77 DQ0 to DR7 I O Two way data bus with the D RAM IC625 78 VDD Power supply terminal 3 3V 79 VSS Ground terminal 80 WCK I Clock signal input terminal for disk mark detect 81 WRFD I RF data signal input terminal for disk mark detect 82 to 89 WAD0 to WAD7 I A D data signal input from the A D converter IC620 for d...

Страница 73: ...he revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2000 04 New 2000 05 Supplement 1 1 1 2002 05 Addition of ABOUT THE E01 DISPLAY to the servicing notes SPM 02026 ...

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Sony SCD-XB940, Руководство по обслуживанию

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