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Sony MINIDISC DECK MDS-S38 Service Manual Download Page 24

— 24 —

3-3. BRACKET (T), (L) AND (R)

1

Four screws
(BVTT2x3)

2

Bracket (T)

4

Screw (BVTT2x3)

6

Two screws
(BVTT2x3)

7

Bracket (L)

3

Screw (BVTT2x3)

5

Bracket (joint)

9

Bracket (R)

8

Two screws
(BVTT2x3)

1

Flexible board
(Over write head)

2

Flat type wire (15 core)

3

Screw (BVTT2x4)

4

OP relay flexible board

5

BD board

3-4. BD BOARD

Summary of Contents for MINIDISC DECK MDS-S38

Page 1: ...B Optical Pick up Type KMS 260A J1N MDS S38 SERVICE MANUAL US Model Canadian Model AEP Model UK Model E Model Photo Black SPECIFICATIONS MiNi DiSC DECK 9 960 934 12 2004I02 1 2004 09 Ver 1 1 2004 09 Sony Corporation Audio Group Published by Sony Engineering Corporaton ...

Page 2: ...t Flexible Circuit Board Repairing Keep the temperature of soldering iron around 270 C during repairing Do not touch the soldering iron on the same conductor of the circuit board within 3 times Be careful not to apply force on the conductor when soldering or unsoldering This appliance is classified as a CLASS 1 LASER product The CLASS 1 LASER PRODUCT MARKING is located on the rear exterior The fol...

Page 3: ...that is suitable Nearly all battery operated digital multimeters that have a 2V AC range are suitable See Fig A Fig A Using an AC voltmeter to check AC leakage MODEL IDENTIFICATION BACK PANEL Parts No 4 989 525 1 4 989 525 2 4 989 525 3 4 989 525 4 4 989 525 5 4 989 525 6 4 989 525 7 Parts No Model US model Canadian model AEP model UK model Singapore model Hong Kong model Tourist model Product cou...

Page 4: ...oration of the optical pick up laser TEO TRK error signal Traverse adjustment VC Reference level for checking the signal RF RF signal Check jitter IOP I 3V TEO VC RF Mechanism deck CN110 Jig J 2501 124 A FORCED RESET The system microprocessor can be reset in the following way Use these methods when the unit cannot be operated normally due to the overrunning of the microprocessor etc Method Disconn...

Page 5: ...umbers on the music calendar will start blinking 5 Press the YES button to display Complete and press the p button immediately and continue pressing for about 10 seconds 6 When the TOC displayed on the fluorescent display tube goes off release the p button 7 Press the r button to start recording 8 Press the DISPLAY CHAR button to display the test mode Fig 1 and check the display 9 The Rt value inc...

Page 6: ... Spindle is slow Not used ader5 Discontinuous address Not used FCS incorrect IVR rec error CLV unlock Access fault Cause of Retry Occurring conditions 00 01 02 04 08 10 20 40 80 Reading the Display Convert the hexadecimal display into binary display If more than two causes they will be added Example When 42 is displayed Higher bit 4 0100 n b6 Lower bit 2 0010 n b1 In this case the retry cause is c...

Page 7: ...s 6 fl play pause button 7 p stop button 8 r recording button 9 REC MODE switch 10 INPUT switch 11 REC LEVEL ANALOG knob 12 AMS knob 13 EDIT NO YES buttons 14 Display window 15 DISPLAY CHAR button 16 PLAY MODE button 17 SCROLL button 18 REPEAT button 19 PHONES jack 20 PHONES LEVEL knob 21 TIMER switch 12 13 14 10 18 17 15 16 19 20 21 2 1 3 5 6 7 4 8 9 11 ...

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Page 22: ... 22 SECTION 3 DISASSEMBLY Note Follow the disassembly procedure in the numerical order given 3 1 FRONT PANEL 1 Connector CN800 2 Flat type wire 23 core 3 Four screws BVTP3x10 4 Three claws 5 Front panel ...

Page 23: ... Flat type wire 29 core 9 Flat type wire 19 core Main board Back panel Three screws BVTP3x10 2 Two screws PTTWH3x6 1 Connector CN306 Screw BVTP 3x10 Chassis Back panel Remove the PC board holder 3 Two screws PTTWH3x6 6 Connector CN301 5 INSULATOR TR 7 Power transformer 4 RIVET AEP UK Singapore Hongkong ...

Page 24: ...2 Bracket T 4 Screw BVTT2x3 6 Two screws BVTT2x3 7 Bracket L 3 Screw BVTT2x3 5 Bracket joint 9 Bracket R 8 Two screws BVTT2x3 1 Flexible board Over write head 2 Flat type wire 15 core 3 Screw BVTT2x4 4 OP relay flexible board 5 BD board 3 4 BD BOARD ...

Page 25: ...G OK Take care so that the part A may be right position when installing 3 6 SHUTTER ASSEMBLY 1 Stopper washer 2 Shaft shutter 3 Shutter assembly Shaft lid Shaft shutter Hole B Hole A When installing install the shaft shutter into the hole A as shown in the figure before installing the shaft lid into the hole B Shutter assembly ...

Page 26: ... 26 3 7 OVER WRITE HEAD 1 Precision screw P1 7x6 2 Over write head ...

Page 27: ...he figure 4 Remove the slider complete assembly in the direction of arrow with putting out of two claws claw claw 45 Slider assembly OK NG Take care not to damage the detective switch Part A Install the part A of lever head up to pass over the slider complete assembly Note for Installation of Slider Complete Assembly ...

Page 28: ...g into the power supply inlet and release the AMS knob 4 3 EXITING THE TEST MODE When the REPEAT button is pressed it becomes in the STANDBY mode Or unplug the power plug from an outlet 4 4 BASIC OPERATIONS OF THE TEST MODE All operations are performed using the AMS knob YES button and NO button The functions of these buttons are as follows Function name AMS knob YES button NO button Function Chan...

Page 29: ...e AMS knob and display CREC MODE 3 Press the YES button to change the display to CREC MID 4 When access completes the display changes to CREC and REC lights up Note The numbers displayed shows you the recording position addresses 2 Changing the parts to be recorded 1 When the YES button is pressed during continuous recording the display changes as below CPLAY MID n CPLAY OUT n CPLAY IN When presse...

Page 30: ...w reflection CLV A Focus auto gain successful Tracking auto gain successful Focus auto gain successful Tracking auto gain failed Note The erasing protection tab is not detected during the test mode Recording will start regardless of the position of the erasing protec tion tab when the r button is pressed 4 7 TEST MODE DISPLAYS Each time the DISPLAY CHAR button is pressed the display changes in the...

Page 31: ...After completing the adjustments exit the test mode 3 Perform the adjustments in the order shown 4 Use the following tools and measuring devices Check Disc MD TDYS 1 Parts No 4 963 646 01 Laser power meter LPM 8001 Parts No J 2501 046 A Oscilloscope Measure after performing CAL of prove Digital voltmeter Thermometer Jig for checking BD board waveform Parts No J 2501 124 A 5 When observing several ...

Page 32: ... the optical pick up When it cannot be set properly press the 0 button or button to move the optical pick up Connect the digital volt meter to CN110 pin 5 I 3V and CN110 pin 4 IOP 2 Rotate the AMS knob and display LDPWR ADJUST Laser power For adjustment 3 Press the YES button once and display LD 0 9 mW 4 Rotate theAMS knob so that the reading of the laser power meter becomes 0 86 to 0 92 mW Press ...

Page 33: ...n A B B 9 Press theYES button and save the adjustment results in the non volatile memory EFB SAVE will be displayed for a moment 10 EFB MO P will be displayed The optical pick up moves to the pit area automatically and servo is imposed 11 Rotate the AMS knob until the waveform of the oscilloscope moves closer to the specified value In this adjustment waveform varies at intervals of approx 2 Adjust...

Page 34: ...s the YES button twice and display CPLAY MID 4 The display changes to C1 AD 5 Check that the C1 error rate is below 20 6 Press the NO button stop playback press the button and remove the test disc 5 9 2 MO Error Rate Check Checking Method 1 Load a continuously recorded disc Refer to 5 4 Creating Con tinuously Recorded Disc 2 Rotate the AMS knob and display CPLAY MODE 3 Press the YES button and dis...

Page 35: ...TE It is useful to use the jig for checking the waveform Refer to Servicing Note on page 5 BD BOARD SIDE B 1 5 CN110 RF VC TEO IOP I 3V NOTE CN101 D101 IC171 IC101 IC121 SECTION 6 DIAGRAMS 6 1 CIRCUIT BOARDS LOCATION TRANSFORMER board MAIN board SW board PANEL board BD board ...

Page 36: ...NT0 SENS SRDT SCLK SWDT XLAT DIN ADDT DADT DOUT 91 92 85 86 89 88 83 13 RECP APCREF FFDR FRDR TFDR TRDR SFDR SRDR FOCNT XLAT SCLK SWDT CSLED SE TE 26 28 32 30 ADFG ADIN ADFM 29 31 34 65 67 74 73 EE VC TE SE 33 66 36 37 35 63 62 64 AUX BOTM PEAK ABCD FE AUX1 BOTM PEAK ABCD 38 RF 55 RFI 58 59 60 61 ABCD AMP FOCUS ERROR AMP I J A B C D E F VC CVB TEMP AMP TEMPR TEMPI APC APCREF EQADJ 3TADJ WBLADJ TRA...

Page 37: ...SCLK XLAT 83 ADARES 93 AMUTE KEY0 KEY1 KEY2 50 51 JOG1 JOG0 43 82 34 LED0 LED DRIVE Q701 Q203 SWITCH Q781 POWER D701 3 RM SIRCS RECEIVER IC702 REMOCOM 71 72 73 62 63 61 60 4 39 40 54 FLCLK FLDATA FLCS POWER DOWN SCK SDATA CS RST S1 S36 D1 D15 36 BACK SYSTEM RST STBY XOUT T XIN T XIN 39 LD LOW 94 LOAD OUT 86 MOD LOAD IN 95 75 80 LDON WRPWR 32 69 67 68 90 42 41 33 77 MNT3 MNT2 SHOCK FOK 89 XINT SCTX...

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Page 45: ...U NU TEST1 LRCK1 BCK1 ADDT V35A VSS1 LF MCKI DPD VSS2 LF INIT MODE SHIFT LATCH 256CK V35D VSS2 512CK BCK2 DADT LRCK2 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 INLP INLM REFO LVSS LVDD AVSS LF NU NU VSS1 LF TEST3 TEST2 VSS1 VDD1 VDD1 VDD2 L1 AVDDL L2 AVSSL XVSS XIN XOUT XVDD AVSSR R2 AVDDR R1 VDD2 MODULATOR MODULATOR DECIMATION FILTER DECIMATION FILTER LOW ...

Page 46: ...Y CIRCUIT 3 3V PH5 STBY VCC ANA5 SYS3 3 BACK AC CD1 P DOWN GND CD2 S RESET 2 3 4 5 6 7 8 9 10 11 IC501 LA5620 2 5 5k 27k OVERCURRENT LIMITTER OVERHEAT PROTECTION REFERENCE VOLTAGE GND ON OFF IN REFERENCE VOLTAGE OUT 3 4 1 IC310 M5293L ...

Page 47: ...etting pin for the internal circuit EQ Center frequency setting pin for the internal circuit BPF3T 3V power supply Center frequency setting pin for the internal circuit BPF22 Tracking error signal output to the CXD2652AR External capacitor connection pin for the sled error signal LPF Sled error signal output to the CXD2652AR FM signal output of ADIP ADIP signal comparator input ADFM is connected w...

Page 48: ...em control 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 subcode Q sync SCOR output to the system control L is output every 13 3 msec Almost all H is output Laser power switching input from the system control H Recording L Playback Interrupt status output to the syste...

Page 49: ...amount signal bottom hold input from the CXA2523R Light amount signal input from the CXA2523R Focus error signal input from the CXA2523R Auxiliary A D input Middle point voltage 1 5V input from the CXA2523R Monitor output of the A D converter input signal Not used 3V power supply Analog A D converter operational range upper limit voltage input Fixed at H A D converter operational range lower limit...

Page 50: ...ive PWM output 3V power supply Digital Focus servo drive PWM output Focus servo drive PWM output 176 4 kHz clock signal output X tal Not used Sled servo drive PWM output Sled servo drive PWM output Spindle servo drive PWM output Spindle servo drive PWM output Spindle CAV servo FG input Test input Fixed at L Ground Digital EFM output when recording Abbreviation EFM Eight to Fourteen Modulation ...

Page 51: ...g A D analog block power down L Power down Not used Test pin Fixed at L A D LRCK input A D BCK input A D data output 3 3V power supply Ground A D digital A D master clock input 256 fs A D digital block power down L Power down reset Ground D A digital D A initialize L Initialize Mode flag input Shift clock input Latch clock input 256 fs clock output 3 3V power supply Ground D A digital 512 fs clock...

Page 52: ...F NU NU AVSS LF LVDD LVSS REFO INLM INLP O I I O I I Lch PLM output 1 5V power supply D A digital 5V power supply A D digital Ground A D digital Test pin Fixed at L Ground A D digital Not used Ground A D analog 5V power supply A D buffer Ground A D buffer A D reference voltage output 3 2V Lch analog input Lch analog input ...

Page 53: ...ync SCOR input from the CXD2652AR L is input every 13 3 msec Almost all H Not used System reset signal input For several hundreds msec after the power supply rises L is input then it changes to H Test pin Fixed at L 3 3V power supply Power supply pin to RTC clock and RAM Clock output 32 768 kHz For clock Clock input 32 768 kHz For clock Ground Main clock output 12 MHz Main clock input 12 MHz Groun...

Page 54: ...he used model Not used Not used Audio bus remote control switching signal output Not used Not used Clock destination select pin Ground 3 3V power supply Clock signal output to the serial bus Writing data signal output to the serial bus Reading data signal input from the serial bus Not used Serial clock signal output to the display driver Serial data signal output to the display driver Chip select ...

Page 55: ...hing signal output Playback power L stop H Recording power Not used Writing data transmission timing output to the CXD2652AR Shared with the magnetic head ON OFF output Latch signal output to the serial bus Not used Not used Line out muting output Loading motor control output 1 Detection input from the limit switch Sled limit In L Recording protection claw detection input from the protection detec...

Page 56: ... 822 01 FOOT 13 4 977 699 11 LEG F AEP SILVER US CND SP HK JE 13 4 977 699 21 LEG F AEP BLACK UK 14 4 992 229 01 INSULATOR TR AEP UK SP HK 15 1 558 945 21 CORD POWER POLAR SPT 1 US CND 15 1 575 651 91 CORD POWER AEP SP HK 15 1 696 027 11 CORD POWER JE 15 1 696 586 21 CORD POWER UK 16 1 569 007 11 ADAPTOR CONVERSION 2P JE 16 1 569 008 21 ADAPTOR CONVERSION 2P SP 16 1 770 019 11 ADAPTOR CONVERSION P...

Page 57: ...989 507 21 ESCUTCHEON MD BLACK 63 4 989 507 31 ESCUTCHEON MD SILVER EXCEPT JE 64 4 989 515 11 BUTTON EJECT JE 64 4 989 515 21 BUTTON EJECT EXCEPT JE FL701 1 517 575 11 INDICATOR TUBE FLUORESCENT 51 X 4948 319 1 PANEL ASSY FRONT SILVER JE 51 X 4948 320 1 PANEL ASSY FRONT BLACK 51 X 4948 321 1 PANEL ASSY FRONT SILVER EXCEPT JE 52 4 951 620 01 SCREW 2 6X8 BVTP 53 4 962 708 11 EMBLEM 4 A SONY 54 4 989...

Page 58: ...HUTTER 205 X 4947 825 1 SHUTTER ASSY BLACK Ref No Part No Description Remark 205 X 4948 722 1 SHUTTER ASSY SILVER 206 1 660 966 11 OP RELAY FLEXIBLE BOARD 207 A 4699 770 A BD BOARD COMPLETE 208 1 777 517 11 WIRE FLAT TYPE 15 CORE 209 4 987 910 01 SPRING TORSION O C 2 not supplied not supplied 2 2 202 not supplied 2 206 207 6 208 209 203 205 2 201 201 202 204 not supplied not supplied ...

Page 59: ... 01 SLIDER CAM 273 4 983 435 05 CHASSIS OUTSERT MECHANISM 274 X 4949 113 1 GEAR LA ASSY 255 3 342 375 11 SCREW M1 7X1 4 SPECIAL 256 4 979 890 11 RETAINER GEAR 257 4 979 898 01 GEAR LB 258 4 979 899 01 GEAR LC 259 4 979 897 01 GEAR LA 260 4 979 885 01 LEVER HEAD UP 261 4 979 906 11 SPRING LEAD SCREW 262 4 984 556 01 SHAFT MAIN SHAFT 263 1 661 774 11 SW BOARD 256 274 2 252 253 2 4 not supplied 3 259...

Page 60: ...MIC CHIP 0 01uF 50V C129 1 107 823 11 CERAMIC CHIP 0 47uF 10 16V C130 1 163 251 11 CERAMIC CHIP 100PF 5 50V C131 1 163 023 00 CERAMIC CHIP 0 015uF 5 50V C132 1 107 823 11 CERAMIC CHIP 0 47uF 10 16V C133 1 163 017 00 CERAMIC CHIP 0 0047uF 5 50V C134 1 163 038 00 CERAMIC CHIP 0 1uF 25V C135 1 163 038 00 CERAMIC CHIP 0 1uF 25V C136 1 126 206 11 ELECT CHIP 100uF 20 6 3V C141 1 163 038 00 CERAMIC CHIP ...

Page 61: ...1 10W R133 1 216 117 00 METAL CHIP 680K 5 1 10W R134 1 216 049 11 METAL GLAZE 1K 5 1 10W R135 1 216 061 00 METAL CHIP 3 3K 5 1 10W R136 1 216 049 11 METAL GLAZE 1K 5 1 10W R137 1 216 025 00 METAL GLAZE 100 5 1 10W R140 1 216 029 00 METAL CHIP 150 5 1 10W R141 1 216 295 00 CONDUCTOR CHIP 2012 R142 1 216 073 00 METAL CHIP 10K 5 1 10W R143 1 216 073 00 METAL CHIP 10K 5 1 10W R144 1 216 025 00 METAL G...

Page 62: ...T 100uF 20 10V C235 1 162 207 31 CERAMIC 22PF 5 50V C236 1 162 203 31 CERAMIC 15PF 5 50V C243 1 162 306 11 CERAMIC 0 01uF 20 16V C254 1 126 923 11 ELECT 220uF 20 10V C255 1 162 600 11 CERAMIC 0 0047uF 20 16V C256 1 162 600 11 CERAMIC 0 0047uF 20 16V C311 1 162 306 11 CERAMIC 0 01uF 20 16V C312 1 162 306 11 CERAMIC 0 01uF 20 16V C332 1 128 576 11 ELECT 100uF 20 63V C333 1 126 950 11 ELECT 330uF 20 ...

Page 63: ...26 99 IC CXD8607N IC308 8 759 634 50 IC M5218AL IC310 8 759 633 42 IC M5293L IC311 8 759 822 09 IC LB1641 IC314 8 759 917 18 IC SN74HCU04AN IC315 8 759 916 12 IC SN74HC00AN IC352 8 749 012 69 IC GP1F38T DIGITAL OUT OPTICAL IC353 8 749 012 70 IC GP1F38R DIGITAL IN OPTICAL 2 JE IC353 8 749 012 70 IC GP1F38R DIGITAL IN OPTICAL 1 EXCEPT JE IC354 8 749 012 70 IC GP1F38R DIGITAL IN OPTICAL 1 JE IC401 8 ...

Page 64: ...347 1 249 441 11 CARBON 100K 5 1 4W R348 1 249 437 11 CARBON 47K 5 1 4W R350 1 249 417 11 CARBON 1K 5 1 4W F R352 1 249 441 11 CARBON 100K 5 1 4W R354 1 247 807 31 CARBON 100 5 1 4W R355 1 249 441 11 CARBON 100K 5 1 4W R356 1 249 441 11 CARBON 100K 5 1 4W R365 1 249 441 11 CARBON 100K 5 1 4W R369 1 249 441 11 CARBON 100K 5 1 4W R370 1 249 441 11 CARBON 100K 5 1 4W R376 1 249 441 11 CARBON 100K 5 1...

Page 65: ...K 5 1 4W R705 1 247 842 11 CARBON 3K 5 1 4W R706 1 249 421 11 CARBON 2 2K 5 1 4W F R707 1 249 429 11 CARBON 10K 5 1 4W R708 1 249 429 11 CARBON 10K 5 1 4W R709 1 249 429 11 CARBON 10K 5 1 4W R712 1 247 807 31 CARBON 100 5 1 4W R713 1 249 393 11 CARBON 10 5 1 4W F R714 1 249 393 11 CARBON 10 5 1 4W F R715 1 247 843 11 CARBON 3 3K 5 1 4W R716 1 249 425 11 CARBON 4 7K 5 1 4W F R717 1 249 429 11 CARBO...

Page 66: ... 264 11 WIRE FLAT TYPE 19 CORE 5 1 782 263 11 WIRE FLAT TYPE 29 CORE 15 1 558 945 21 CORD POWER POLAR SPT 1 US CND 15 1 575 651 91 CORD POWER AEP SP HK 15 1 696 027 11 CORD POWER JE 15 1 696 586 21 CORD POWER UK 16 1 569 007 11 ADAPTOR CONVERSION 2P JE 16 1 569 008 21 ADAPTOR CONVERSION 2P SP 16 1 770 019 11 ADAPTOR CONVERSION PLUG 3P HK 59 1 782 265 11 WIRE FLAT TYPE 23 CORE 208 1 777 517 11 WIRE...

Page 67: ...MDS S38 MEMO 85 ...

Page 68: ...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 Ver Date Description of Revision 1 0 1997 04 New 1 1 2004 09 Correction of exploded views parts list Ref No 254 272 273 and 274 SPM 03039 ...

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