Sony D-CS901 - Portable Cd Player Page 14 Service Manual Download

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D-CS901

– MAIN Section 2 –

+3V

REG

IC802

IC402

DC/DC CONVERTER

SWITCHING

POWER

CIRCUIT 2

SWITCHING

POWER

CIRCUIT 3

POWER

CIRCUIT

CHARGE

CONTROL

Q417

B+ SWITCH

Q401,402

B+ SWITCH

Q411

B+ SWITCH

Q410

B+

SWITCH

Q1
B+

SWITCH

INTERFACE

CLK

OR OSC

AMP

BIAS

SAWTOOTH

GENERATOR

STANDBY

REFERENCE

Q412

SWITCH

CHG ON/OFF

BANDGAP

REFERENCE

(VREF)

IC801 (2/2)

SYSTEM CONTROL

XPOWLT_O

CHGMNT_AD

WAKEUP_O

VCPU_2.0V

IC602

(D-RAM)

VCC

VCC2 _2.5V

IC401 (2/2)

POWER CONTROL

B+

B–

J401

DC IN 4.5V

DTC2

VCPU

STNG

VLG3

VIN

CHGSW

DCIN

CHARGING

BATTERY
VOLTAGE

DETECT

BATM2

BATM1

VCC2

RF3

VCC1 _2.0V

VLGO2

SYNC

VCC1

WAKEUP

CLOCK

DATA

SYNC

MSCK

MSDTO

LATCH

VREF

CHGMNT

DRY BATTERY

SIZE "AA"

(IEC DESIGNATION LR6)

2PCS,3V

B+ +3V

IC401

FOCUS/TRACKING COIL DRIVER
SPINDLE/SLED MOTOR DRIVER,

IC301

HEADPHONE AMP

D406

Q404

L406

D401

D404

L414

S804

JOG
KEY

SW7 - 12

FUNCTION

KEY

S801

(CD DOOR OPEN)

S802

G-PROTECTION

S904

HOLD

OFF

IC1

LCD DRIVER

56-63

79-86

D0 - D7

DB0-7

SEG0-60

COM0-15

WR1

LCD_RST_O

E(RD)

R/W(RW)

RES

87 VDD

JOGKEY_AD

20 JOGKEY_INT

KEY2_AD

GPRO_I

XHOLD_I

11 XTALI

10 XTALO

OPENSW_INT

D410

3.0V

IC801

VDD

D411

X801

8MHz

BATMNT_AD

DCIN_INT

DCINMNT_AD

RESET

Q408

Q407

IC2

R24 - 28

72-12

96-100,

1-11

LCD1

LIQUID

CRYSTAL

DISPLAY

3.0V

IC404

IC403

Q403

Summary of Contents for D-CS901 - Portable Cd Player

Page 1: ...6 size AA batteries 3 V DC AC power adaptor DC IN 4 5 V jack U2 CA2 model 120 V 60 Hz CED model 220 230 V 50 60 Hz CEK model 230 240 V 50 Hz Battery life approx hours When you use the CD player on a flat and stable surface Playing time varies depending on how the CD player is used Figures in brackets show the playing time of MP3 files When using G PROTECTION function 1 2 NH WM2AA 22 23 charged for...

Page 2: ...ITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY ATTENTION AU COMPOSANT AYANT RAPPORT À LA SÉCURITÉ LES COMPOSANTS IDENTIFÉS PAR UNE MARQUE 0 SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DA...

Page 3: ...ameters as par the Optical Pick Up Block Checking Procedures Part No 9 960 027 11 issued separately before replacing the optical pick up block Note and specifications required to check are given below FOK output IC601 yg pin When checking FOK remove the lead wire to disc motor RF signal P to P value 0 4 to 0 65 Vp p LASER DIODE CHECK During normal operation of the equipment emission of the laser d...

Page 4: ...w 1 HOLD switch page 19 3 VOL volume control page 7 qa Buckle page 6 5 Display pages 8 9 12 14 16 18 19 8 REPEAT ENTER button pages 11 12 14 15 9 SOUND button pages 18 19 qs DISPLAY button pages 16 17 2 3 way control key Push toward N or Press x CHG N Play AMS search pages 7 9 14 AMS search pages 7 14 x CHG Stop charge pages 7 20 22 There is a tactile dot beside VOL to show the direction to turn u...

Page 5: ...he disassembly procedure in the numerical order given SET MOTOR ASSY SLED M902 OPTICAL PICK UP DAX 25E MAIN BOARD MAIN SWITCH UNIT BOARD HOLD LEVER LID UPPER CABINET FRONT MD ASSY CDM 3125ER MOTOR ASSY TURN TABLE SPINDLE M901 3 five screws B2 1 screw 6 flexible cable 20P 1 screw 7 lid upper 5 cabinet front 4 2 cabinet lower sub assy ...

Page 6: ...Motor Assy Turn Table Spindle M901 4 6 RV801 cabinet lower sub ASSY lever vol B 3 connector CN502 white 2 connector CN503 black 7 MAIN board 5 MD ASSY CDM 3125ER 1 flexible cable 15P 2 motor assy turn table spindle M901 1 three screws B1 7x5 chassis ...

Page 7: ...is qa optical pick up DAX 25E 7 bracket Shaft gear B 3 cover gear 5 motor assy sled M902 lid upper cabinet lower sub assy When installing align S904 with the cut out of the HOLD LEVER When replacing the hold knob coat here with the specified grease SGL 601 4 screw B 1 4 4 3 MAIN SWITCH UNIT board 5 hold lever 6 hold knob 7 O ring 1 six screws B1 7 3 2 lid cover ...

Page 8: ...not placed in the CD player FOLDER FOLDER button Motion of the optical pick up to outside or inside Note Be sure to keep your eyes apart from the direct emission of the Laser diode Do not move the optical pick up over outermost or innermost Operation when a CD is placed in the CD player Procedure 1 Confirm the set is not powered on 2 Keep short the solder tap TAP1 TEST on the MAIN board 3 After tu...

Page 9: ...ND button 4 Press the PLAY MODE button DISPLAY 001 00 01 Spindle Speed 5 C1 error rate display mode is active by pressing the DISPLAY button The LCD displays the following message Value of 00 00 0099 OK 01 00 NG DISPLAY Err Note Press the SOUND button before pressing the PLAY MODE button during playing a CD By pressing in a wrong order the value of Er becomes very big 6 When the error rate or spin...

Page 10: ...igure 05 See Figure 06 See Figure 07 See Figure 08 See Figure 09 See Figure 10 REPEAT ENTER SOUND DISPLAY FOLDER Press again for odd dots Press again for even dots FOLDER SOUND If HOLD is ON pressing SOUND key will scroll through all the icons and dots and end with full display HOLD TAP1 TEST CN901 MAIN BOARD SIDE A IC403 IC801 IC803 IC804 IC602 IC601 IC703 IC701 IC402 IC404 IC301 IC401 IC405 MAIN...

Page 11: ...P603 RF and GND on the MAIN board 2 Set a disc YEDS 18 3 Press the B button 4 Check the oscilloscope waveform is as shown below A good eye pattern means that the diamond shape in the center of the waveform can be clearly distinguished RF Signal reference Waveform Eye Pattern VOLT DIV 100 mV With the 10 1 probe in use TIME DIV 500 ns To watch the eye pattern set the oscilloscope to AC range and inc...

Page 12: ...ed with regulated dc power supply from DC IN jack J401 Voltages and waveforms are dc with respect to ground in playback mode no mark CD PLAY Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal production toler ances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal production toler ances Circled numbers refer to wave...

Page 13: ...RF AMP DIGITAL SIGNAL PROCESSOR DIGITAL SERVO PROCESSOR D RAM CONTROLLER LPF SIGNAL PROCESSOR BLOCK MEMORY CONTROLLER BUS BOOST BLOCK SERVO BLOCK MDS MDP SENS SCOR SDTO XTAO XRDE_I XTAI RFAC XSOE XLAT CLOK XRAS XWE XCAS AOUT2 AOUT1 MUTE_O XRST_I RESET I2CDATA_I I2CCLK_I STANDBY PO7 RFDC B A SFDR SRDR FFDR FRDR TFDR TRDR D0 D3 D0 D3 A0 A10 A0 A10 WDCK GFS XTAO XTAI E F 89 F 92 91 A B 88 84 RFDC RFA...

Page 14: ...OLTAGE DETECT 59 58 BATM2 60 BATM1 73 VCC2 74 RF3 78 VCC1 _2 0V VLGO2 SYNC VCC1 WAKEUP CLOCK DATA SYNC MSCK MSDTO LATCH VREF CHGMNT DRY BATTERY SIZE AA IEC DESIGNATION LR6 2PCS 3V A B C B 3V IC401 FOCUS TRACKING COIL DRIVER SPINDLE SLED MOTOR DRIVER IC301 HEADPHONE AMP D406 Q404 L406 D401 D404 L414 51 30 64 77 78 97 28 18 88 S804 JOG KEY SW7 12 FUNCTION KEY 90 S801 CD DOOR OPEN S802 G PROTECTION 1...

Page 15: ...15 15 D CS901 6 2 Printed Wiring Board MAIN Board Side A IC403 TEST Ref No Location D413 E 3 IC403 C 2 Q404 C 1 Q408 E 3 Q410 B 5 Q412 C 1 Semiconductor Location ...

Page 16: ... Location D101 E 1 D201 E 1 D301 E 2 D401 C 4 D403 C 4 D404 C 4 D405 C 3 D406 D 2 D408 C 4 D409 C 3 D410 C 2 D411 C 3 D412 D 1 D461 B 4 D801 A 2 IC301 D 1 IC401 D 2 IC402 C 2 IC404 C 1 IC405 B 4 IC601 B 3 IC602 A 3 IC701 C 2 IC703 C 3 IC801 B 2 IC802 C 2 IC803 B 1 IC804 A 2 Q401 D 2 Q402 D 1 Q403 C 4 Q407 D 3 Q411 D 1 Q417 C 3 Q701 C 1 Semiconductor Location ...

Page 17: ...17 17 D CS901 6 4 Schematic Diagram MAIN Board 1 4 See page 26 for IC Pin Function Descriptions See page 12 for Waveforms ...

Page 18: ...18 18 D CS901 6 5 Schematic Diagram MAIN Board 2 4 See page 23 for IC Block Diagrams See page 29 for IC Pin Function Descriptions ...

Page 19: ...19 19 D CS901 6 6 Schematic Diagram MAIN Board 3 4 See page 24 for IC Pin Function Descriptions ...

Page 20: ...20 20 D CS901 6 7 Schematic Diagram MAIN Board 4 4 See page 31 for IC Pin Function Descriptions See page 12 for Waveforms ...

Page 21: ...21 21 D CS901 6 8 Printed Wiring Board MAIN SWITCH UNIT Board IC1 IC2 LIQUID CRYSTAL DISPLAY ...

Page 22: ...22 22 D CS901 6 9 Schematic Diagram MAIN SWITCH UNIT Board See page 23 for IC Block Diagrams It is impossible to measure the voltage of IC1 ...

Page 23: ...1 12 1 24 BIAS BEEP PW SW MT SW ALC DET ATT SW PWC SW ROUT LOUT BEEP MUTE MUTE_γ BST PW B PW C BST NF ADD OUT RF IN OCL SW ROUT VREF LOUT PGND MIX OUT ALC IN ALC DET ATT SW LIN RIN GND PWR SW BIAS BIAS IN BB SW BST OUT VCC ADDA ADDB 21 22 PW A ALC ALC 20 19 10 IC1 NJU6570AC MAIN SWITCH UNIT Board ...

Page 24: ...utput Forward signal input the driver 2 Reverse signal input the driver 2 Forward signal input the driver 3 Reverse signal input the driver 3 Forward signal input the driver 4 Reverse signal input the driver 4 Power supply the driver 4 Reverse signal output the driver 4 Ground the driver 4 Forward signal output the driver 4 Power supply the driver 3 and 4 Reverse signal output the driver 3 Ground ...

Page 25: ...nal of the upper rechargeable battery Output of the power supply 2 VCPU 2 0V standard Coil connection terminal H Power supply 2 VCPU Ground of the power supply 2 VCPU Coil connection terminal L Power supply 2 VCPU VIN input of the power supply 4 3 3V at AC adaptor use Non charging mode Coil connection terminal H Power supply 4 VAPC Ground of the power supply 4 VAPC Coil connection terminal L Power...

Page 26: ...pply digital Serial data transfer clock input from CPU Serial data input from CPU SENS signal output to CPU Latch signal input from CPU CPU serial data output enable signal input Mute signal input H mute Word clock output f 2Fs Output a high signal when either subcode sync S0 or S1 is detected System reset L reset Spindle motor external control input Not used Subcode Q OK signal input DRAM write e...

Page 27: ...unt signal I O Not used open C2PO signal output Not used open GFS signal output XUGF signal output Not used open XPCK signal output Not used open Power supply digital Master PLL charge pump output Master PLL filter input Master PLL filter output slave digital PLL Multiplier VCO1 control voltage input Wide band EFM PLL VCO2 control voltage input Wide band EFM PLL charge pump output Ground analog EF...

Page 28: ...I BCK_O BCK_I DVDD A3 to A0 A10 A11 A12 A13 Description D A interface Serial data output D A interface Serial data input D A interface Bit clock output D A interface Bit clock input Power supply DRAM interface DRAM address bus 3 to 0 DRAM address bus 10 DRAM address bus 11 Not used open Test pin Not used open ...

Page 29: ...utput open Data input 0 Bit clock input A LR clock input A Data input 1 fixed at L Bit clock input B fixed at L LR clock input B fixed at L Power supply 2 5V for digital circuit Standby mode control signal input H STB L normal Ground for digital circuit Ground for DAC Lch Reference voltage terminal for DAC Lch DAC Lch signal output open Power supply 2 5V for DAC Lch Power supply 2 5V for DAC Rch D...

Page 30: ...1 Pin No 60 61 62 63 64 I O I O I O Pin Name CKO VDDX 2 5V XI XO VSSX Description Audio clock output Power supply 2 5V for oscillation circuit Resonator terminal Resonator terminal Ground for oscillation circuit ...

Page 31: ...nal input Open close switch signal input Key input detection signal input Not used fixed at H Jog key input detection signal input AC adaptor detection signal input Not used open Power supply Power supply Battery level detection input terminal CLV error detection signal input Battery level detection signal input during charging Key input terminal Key input terminal Not used Jog key operation detec...

Page 32: ...utput to the LCD driver IC1 open WR1 signal output to the LCD driver IC1 Not used open Power supply ESP control write OK confirm signal output to the DSP IC601 AGC PWM signal output open Not used open Focus OK signal input from the DSP IC601 Guard frame signal input from the DSP IC601 G protection switch signal input ESP control write enable signal output to the DSP IC601 Hold switch signal input ...

Page 33: ...No Description Remarks Ref No Part No Description Remarks 6 1 Upper Lid Section 2 22 23 3 14 15 2 2 1 11 10 12 13 18 17 5 6 4 7 8 9 LCD1 19 21 cabinet section 16 13 2 2 a a SECTION 7 EXPLODED VIEWS 1 3 242 903 01 LID COVER 2 3 343 254 31 SCREW B1 7X3 TAPPING 3 X 3382 276 1 RUBBER DISPLAY SUB ASSY 4 1 685 277 11 MAIN SWITCH UNIT BOARD 5 X 3382 275 1 RUBBER OPERATE SUB ASSY 6 3 242 895 01 BUTTON OPE...

Page 34: ...35 1 BUCKLE SUB ASSY 59 4 225 316 01 ROLLER 52 51 57 56 63 60 61 54 55 53 cabinet lower section Optical Pick Up section CDM 3125ER 54 62 64 66 59 58 not supplied BT402 BT400 BT401 60 3 221 309 01 LEVER VOL A 61 4 223 413 01 SCREW M1 4X3 62 3 338 687 21 SCREW M1 4X2 TAPPING 63 A 3178 748 A MAIN BOARD COMPLETE EXCEPT AEP 63 A 3178 753 A MAIN BOARD COMPLETE AEP 64 X 3381 670 1 BRACKET ROLLER ASSY BT4...

Page 35: ...BUTTON JOG 102 3 238 017 01 RUBBER 103 3 318 201 51 SCREW B 1 4X4 TAPPING 104 3 238 016 01 JOG 105 4 908 792 31 SCREW B2 106 3 238 010 01 SHEET ADHESIVE 107 3 238 019 01 PLATE JOG 108 3 238 002 11 STRAP BRACKET 109 3 238 020 01 PLATE JOG 110 3 221 310 01 LEVER VOL B 111 X 3382 334 1 CABINET LOWER SUB ASSY 112 3 238 015 01 PLATE ORNAMENTAL 113 3 221 311 11 PACKING H P 114 3 221 329 01 RING O 115 3 ...

Page 36: ...420 01 CHASSIS 158 4 218 827 01 RETAINER SHAFT 159 3 686 458 03 SCREW P1 4X3 5 TAPPING 0160 X 3380 950 1 OPTCAL PICK UP DAX 25E 161 3 235 418 01 RACK 162 3 348 998 81 SCREW M1 4 163 4 220 645 01 SHAFT STANDARD 164 3 243 233 01 SPACER CDM M901 A 3052 904 A MOTOR ASSY TURN TABLE SPINDLE M902 A 3328 627 A MOTOR ASSY SLED SLED The components identified by mark 0 or dotted line with mark 0 are critical...

Page 37: ...25V C414 1 162 966 11 CERAMIC CHIP 0 0022uF 10 50V C415 1 164 156 11 CERAMIC CHIP 0 1uF 25V C416 1 164 156 11 CERAMIC CHIP 0 1uF 25V C417 1 110 569 21 TANTAL CHIP 47uF 20 00 4V C418 1 126 369 11 ELECT 220uF 20 6 3V C420 1 135 259 11 TANTAL CHIP 10uF 20 00 6 3V C421 1 110 569 21 TANTAL CHIP 47uF 20 00 4V C422 1 125 837 91 CERAMIC CHIP 1uF 10 6 3V C423 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C424 1 ...

Page 38: ... 1 784 342 21 HOUSING CONNECTOR 2P CN503 1 784 342 11 HOUSING CONNECTOR 2P CN801 1 750 504 21 CONNECTOR FFC FPC ZIF 20P DIODE D101 8 719 069 54 DIODE UDZSTE 175 1B D201 8 719 069 54 DIODE UDZSTE 175 1B D301 8 719 069 54 DIODE UDZSTE 175 1B D401 8 719 085 43 DIODE MA2YD2300LS0 D403 8 719 069 54 DIODE UDZSTE 175 1B D404 8 719 085 43 DIODE MA2YD2300LS0 D405 8 719 404 50 DIODE MA111 TX D406 8 719 071 ...

Page 39: ...AL CHIP 10K 5 1 16W R425 1 216 857 11 METAL CHIP 1M 5 1 16W R426 1 216 857 11 METAL CHIP 1M 5 1 16W R427 1 216 853 11 METAL CHIP 470K 5 1 16W R428 1 216 833 11 METAL CHIP 10K 5 1 16W R429 1 216 853 11 METAL CHIP 470K 5 1 16W R430 1 216 041 00 METAL CHIP 470 5 1 10W R431 1 216 864 11 METAL CHIP 0 5 1 16W R432 1 216 864 11 METAL CHIP 0 5 1 16W R433 1 216 864 11 METAL CHIP 0 5 1 16W R434 1 216 849 11...

Page 40: ...8 1 216 853 11 METAL CHIP 470K 5 1 16W R719 1 216 853 11 METAL CHIP 470K 5 1 16W R720 1 216 853 11 METAL CHIP 470K 5 1 16W R722 1 216 825 11 METAL CHIP 2 2K 5 1 16W R723 1 216 829 11 METAL CHIP 4 7K 5 1 16W R724 1 216 853 11 METAL CHIP 470K 5 1 16W R725 1 216 853 11 METAL CHIP 470K 5 1 16W R726 1 216 853 11 METAL CHIP 470K 5 1 16W R727 1 216 853 11 METAL CHIP 470K 5 1 16W R728 1 216 813 11 METAL C...

Page 41: ...6 864 11 METAL CHIP 0 5 1 16W R37 1 216 864 11 METAL CHIP 0 5 1 16W R38 1 216 864 11 METAL CHIP 0 5 1 16W SWITCH S904 1 762 078 11 SWITCH SLIDE HOLD SWITCH SW7 1 771 053 21 SWITCH KEY BOARD DISPLAY SW8 1 771 053 21 SWITCH KEY BOARD PLAY MODE SW9 1 771 053 21 SWITCH KEY BOARD SOUND SW10 1 771 053 21 SWITCH KEY BOARD REPEAT ENTER SW11 1 771 053 21 SWITCH KEY BOARD FOLDER SW12 1 771 053 21 SWITCH KEY...

Page 42: ...TORY 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 Ver Date Description of Revision 1 0 2002 06 New ...

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