Sony NW-MS7 - Memory Stick Walkman, Service Manual

Page 1: ...excluding 66 kbps Operating temperature 5 C to 35 C 41 F to 95 F Power source DC IN 3 7 V internal Lithium ion battery DC IN 5 5 V supplied AC power adaptor Battery life About 4 hours SPECIFICATIONS Dimensions approx 37 96 3 19 2 mm 1 1 2 3 7 8 25 32 inches w h d projecting parts not included Mass approx 70 g 2 5 oz internal battery and a Memory Stick included Supplied accessories 64 MB MG Memory ...

Page 2: ...matic Diagram Main Board 2 4 31 4 8 Schematic Diagram Main Board 3 4 33 4 9 Schematic Diagram Main Board 4 4 35 4 10 Printed Wiring Boards CN Board HP Board 37 4 11 Schematic Diagrams CN Board HP Board 39 4 12 IC Block Diagrams 41 5 EXPLODED VIEWS 45 6 ELECTRICAL PARTS LIST 46 SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND ...

Page 3: ... button page 16 6 HOLD switch page 21 rear 7 Strap hole for attaching the strap supplied with U S A model only 8 RESET button page 32 9 MENU button page 18 25 0 DISPLAY button page 20 qa EJECT lever page 17 qs DC USB adaptor plug page 10 qd Memory Stick slot page 13 16 Display 1 Mega bass page 18 2 AVLS page 20 3 Playback mode page 19 4 Battery remain indication page 10 5 Information Track name tr...

Page 4: ...ued Notes When connecting Memory Stick Walkman to your computer make sure the erasure prevention switch of the Memory Stick page 30 is OFF Do not start your computer while Memory Stick Walkman is connected to DC IN 5 5V 14 Transferring music data from the computer to Memory Stick Walkman continued 2 Start the OpenMG Jukebox software Double click the OpenMG Jukebox icon on the desktop or click Star...

Page 5: ... down to adjust the volume x button HOLD switch Playback stops automatically when the music reaches the end only when REPEAT OFF is selected If playback does not start The HOLD switch may be switched down Please release it up page 21 To stop playback Press the x button Tip If you do not operate the player for 10 seconds while in stop mode the display automatically turns off Basic Operations 17 On ...

Page 6: ... the current track Number of remaining tracks Total time remaining Song title only while in play pause mode Playing in various modes continued 21 Locking the controls Hold To prevent the controls from being accidentally operated when you carry the player use this function Slide the HOLD switch in the direction of the arrow No controls will be able to operate except the EJECT lever If you press but...

Page 7: ...ress the DISPLAY button during the setting To exit from the Menu mode Select RETURN in the menu or press the MENU button To display the current time You can display the current time by any of the following ways Press the Jog lever while the display is OFF and the HOLD switch is ON t The current time is displayed for 3 seconds while the Jog lever is being pressed Press the Jog lever while the displ...

Page 8: ...law Use your fingernail to push the lid battery case up lid battery case Note Do not push the stopper downward The LCD unit may be damaged Note This set can be disassemble according to the following sequence SECTION 2 DISASSEMBLY Note Follow the disassembly procedure in the numerical order given 2 1 LID BATTERY CASE Set Lid Battery Case Case Assy Main Board LCD Block HP Board CN Board ...

Page 9: ... are easy to be broken 4 Push the case case lid assy service upper 5 claw 6 claw 7 claw 8 claw Use your fingernail to push the lid assy service upper up 3 Use your fingernail to push the lid assy service upper up 4 7 Push the lid assy service upper or spread the case to detach the claw 9 Use your fingernail to push the lid assy service upper up ...

Page 10: ...k and check for opening and closing of the shutter If NG the memory stick shutter cannot be fully closed which disallows the connector shutter to be opened When installing adjust the knob EJECT to the claw on the eject mechanism Place the slag in the flexible cable under the LCD unit LCD unit LCD unit LCD unit LCD unit OK NG flexiblecable 2 3 MAIN BOARD Note When installing fit the knob HOLD and s...

Page 11: ... 11 1 screw 3 screw 2 HP board 4 CN board 2 claw 3 claw 4 claw 5 CN702 7 LCD block assy 8 MAIN board 1 Removal the solders 6 2 4 LCD BLOCK 2 5 HP BOARD CN BOARD ...

Page 12: ...t XP 20 Hz 0 dB in the test memory stick is played back 004 20 Hz SP 9 Frequency characteristic Test 9 SoundTest XP 20 kHz 0 dB in the test memory stick is played back 005 20 kHz SP A De Emphasis 5 kHz XP Test A SoundTest 5 kHz 4 53 dB emphasis off in the test memory stick is 006 played back B De Emphasis 16 kHz XP Test B SoundTest 16 kHz 9 04 dB emphasis off in the test memory stick is 007 played...

Page 13: ...ion Test 18 Wait LowBatt When a low voltage 3 35 V or Less condition is detected BATT the backlight turns on 19 BATT Reference voltage Test 18 Wait Batt2 1 Backlight off t 2 When the BATT voltage is at the detection reference voltage the backlight turns on 1A Lo DC IN detection Test 1A Wait LowDC 1 Backlight off t 2 When the AC adaptor voltage is found to be lower 4 65 V or Less the backlight turn...

Page 14: ...on Clear All button 6 Setting the bit rate Click Control and then Settings at the upper left section of the window Click the Recording Setup tab in the setup dialog and select 132kbps from the dropdown list of ATRAC3 bit rates 7 Enter the disc name and the artist name Disc YEDS 18 132kbps 1 Artist SONY 8 To select the recording track check the following track numbers 2 3 4 6 7 8 10 12 13 9 Press t...

Page 15: ...w emphasis 132kbps 8 2 1kHz 0dB L 132kbps 9 8 1kHz 0dB L R 132kbps 10 10 1kHz 0dB R 132kbps 11 7 Infinity Zero w o emphasis L R 132kbps 12 4 100Hz 0dB L R 132kbps 17 Complete 3 6 4 Checkout to load music data to the memory stick 14 Verify that the Portable Player screen is displayed at the right side of the Open MG Jukebox screen If not displayed click Portable Player 15 Click Original on the Open...

Page 16: ...al output terminal Not used Open 21 RXD1 I Receive data signal input terminal Not used Open 22 VCC Power supply terminal 23 VSS Ground 24 TXD0 LCD_SDA O LCD transceiver IIC data signal output terminal 25 RXD0 LCD_SDA I LCD receive IIC data signal input terminal 26 VSS Ground 27 VCC Power supply terminal 28 PB17 G_XLAT O ATRAC3 IC serial latch signal output terminal 29 PB16 O Output port terminal N...

Page 17: ...ignal output terminal 89 92 D15 D12 I O Data bus signal input output terminal 93 VCC Power supply terminal 94 D11 I O Data bus signal input output terminal 95 VSS Ground 96 102 D10 D4 I O Data bus signal input output terminal 103 VSS Ground 104 VCC Power supply terminal 105 108 D3 D0 I O Data bus signal input output terminal 109 VSS Ground 110 111 MD0 MD1 I Mode setting input terminal 112 VCC Powe...

Page 18: ...Open 154 XIRQ5 I Interruption request signal input terminal Not used Open 155 PE22 LCD_BL I LCD back light signal input terminal 156 XIRQ7 U_XIRQ I USB interruption request signal input terminal 157 U_XDACK O USB DMAC transfer strobe signal output terminal 158 PF2 BATTSW_OPEN O Battery open signal output terminal 159 U_XDREQ I USB DMAC transfer request signal input terminal 160 S_XDACK O MG IC DMA...

Page 19: ...RL XRD OUT INVERTER IC712 14 26 28 4 1 2 XWRH XRD OUT INVERTER IC713 69 68 73 70 1 71 TRST DACK DREQ CS INT RD WR RESET A1 A6 1 1 2 3 4 8 16 18 17 PD31 F SO XCS2 SRAM XCS XRD U XDACK U XDREQ XCS3 U XCS XIRQ7 U XIRQ XWRLH S XWRH XWRLL S XWRL PD28 U XRST XCS5 F XCS PD29 F CLK PD26 F RST PD30 F SI 5 10 5 D0 D15 A1 A17 A0 A17 16 16 D0 D15 D0 D15 A0 A17 I O1 I O16 A0 A16 XCE1 XOE S RAM IC708 MS BS BS D...

Page 20: ...EP i J303 17 18 19 5 6 7 X706 32 768kHz 2 3 1 OSCILLATION CIRCUIT FREQUENCY DIVISION TIMING PRODUCTION SERIAL INTERFACE COMPARATOR XIN XINT XOUT INT REGISTER SIO XSCK CS PC22 S CLKOFF XCS1 S XCS S XDREQ S XDACK XIRQ0 S XIRQ PD16 S XRST PB7 G SCLK PB6 G SWDT PB17 G XLAT PD27 G XRST PE12 DA ML PE13 DA MC PE15 DA MD PD21 DA XRST PD19 HP MUTING PE17 HP BBON PF6 HP BB1 2 PD18 HP BEEP PA8 RTC CE PA4 RTC...

Page 21: ...9 S805 RIPPLE FILTER Q302 303 SWITCHING Q506 508 VCC 3 3V 3 2V VOLTAGE DETECTOR IC507 3 5V VOLTAGE DETECTOR IC508 2 1 VDD OUT 5 6V VOLTAGE DETECTOR IC504 D502 D507 D506 D505 3 2 5 4 5 7 6 8 3 VOLTAGE REFERENCE CURRENT LIMIT CHARGE CONTROL Q501 CHARGE SWITCH Q502 BATTERY OPEN SWITCH Q503 HIDC SWITCH Q510 DC IN BATTERY DETECT SWITCH Q509 OUTPUT CONTROL CONSTANT CURRENT CONTROL CONSTANT VOLTAGE CONTR...

Page 22: ...n IC710 C 12 Q302 B 11 Q303 B 11 Q305 B 11 Q504 D 9 Q506 D 10 Q507 D 11 Q508 E 9 Q601 C 12 Q705 B 12 Q715 B 12 Q801 D 13 Q802 C 13 Q803 C 13 Q804 E 12 Comon note on Schematic Diagram All capacitors 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 indicates tolerance f i...

Page 23: ...745 C756 C705 X706 C704 C737 IC712 IC711 L708 C730 L702 C714 C778 IC713 C736 C710 C735 FB701 C715 C759 C754 C755 C766 D508 IC507 D502 Q510 FB502 C701 C509 L501 TP501 TP502 C513 C506 C764 L701 C713 C748 L705 Q509 Q709 S G G S Q713 S D G Q703 E C OFF ON B C B E D 4 5 3 2 1 1 2 4 3 1 2 3 1 2 3 6 5 4 6 5 4 G S D D Q702 LCD701 LIQUID CRYSTAL DISPLAY PANEL LCD BACK LIGHT UNIT B 1 1 2 3 4 5 4 5 1 1 2 3 5...

Page 24: ...AGRAM MAIN BOARD 1 4 Refer to page 41 for IC Block Diagrams and page 36 for Waveforms Refer to page 26 for Comon note on Schematic Diagram 30 Page 39 Page 33 Page 31 Page 35 Note for replacing the parts of the main board IC702 and IC705 should be replaced at the same time ...

Page 25: ...ip Size Package 31 32 NW MS7 4 7 SCHEMATIC DIAGRAM MAIN BOARD 2 4 Refer to page 41 for IC Block Diagrams and page 36 for Waveforms Refer to page 26 for Comon note on Schematic Diagram Page 30 Page 35 Page 33 ...

Page 26: ...NW MS7 33 34 4 8 SCHEMATIC DIAGRAM MAIN BOARD 3 4 Refer to page 42 for IC Block Diagrams Refer to page 26 for Comon note on Schematic Diagram Page 32 Page 35 Page 29 ...

Page 27: ...3 for IC Block Diagrams Refer to page 26 for Comon note on Schematic Diagram 12MHz IC704 qf XIN Waveforms MODE PLAY 1 2 740mVp p 3 4 22 5792MHz IC702 rd XTLI 760mVp p 4MHz IC701 zzc EXTAL 780mVp p 32 768kHz IC706 2 XIN 780mVp p 50nsec div 20mV div 20nsec div 20mV div 0 1µsec div 20mV div 20µsec div 20mV div ...

Page 28: ...315 R204 C309 C203 C201 C314 MAIN BOARD CN707 2 3 4 1 LF902 6 2 J303 5 i M B X HP BOARD CONDUCTOR SIDE 1 675 322 11 C103 C323 C 4 2 T 3 1 S807 PUSH S807 FUNCTION C324 04 C322 R303 R205 C307 R306 R304 C101 C311 C310 C313 S702 RESET FB901 FB913 LF901 FB902 CN BOARD COMPONENT SIDE 2 MAIN BOARD CN706 6 10 16 20 24 1 5 9 15 19 23 CN901 1 675 323 11 04 1 A B C D E F G H I 2 3 4 5 6 7 8 9 10 11 12 NW MS7...

Page 29: ... 39 40 NW MS7 4 11 SCHEMATIC DIAGRAMS CN BOARD HP BOARD Refer to page 44 for IC Block Diagrams Page 29 Page 36 Note When repair or replacing the CN board replace it with the CN board complete ...

Page 30: ...EXEC STRO PSSL ATT INSEL MUTE REC ATRAC3 LEVEL3 MUTE ATT REC ATRAC3 LEVEL3 STRO EXEC AIDT DODT DIDT BCK WDCK LRCK PSSL INSEL ADR15 ADR14 ADR13 ADR12 ADR11 ADR10 ADR9 VSS VSS VDD VDD ADR8 ADR7 ADR6 ADR5 ADR4 ADR3 ADR2 ADR1 ADR0 XDRD XDWR XIORD VSS VDD XPRD XPWR DB23 DB22 DB21 DB20 DB19 DB18 DB17 DB16 DB15 DB14 DB13 DB12 VSS VSS VDD VDD DB11 DB10 DB9 DB8 DB7 DB6 DB5 IN B IN A GND VCC OUT Y 1 2 3 5 4...

Page 31: ...20 19 CLOCK OSC MANAGER 8 TIMES OVER SAMPLING DIGITAL FILTER MULTI FUNCTION POWER SUPPLY CR LPF AMP CR LPF AMP RESET SERIAL INPUT INTERFACE MULTI LEVEL MODULATOR MULTI LEVEL MODULATOR MODE CONTROL XTI XTO CLKO 18 ML MUTE 17 MC DM1 16 MD DM0 15 RSTB 14 MODE 13 D C_L 12 VOUTL 11 VCC 2 DGND 3 VDD 4 LRCIN 5 DIN 6 BCKIN 7 ZERO 8 D C_R 9 VOUTR 10 AGND BPZ CONTROL OPEN DRAIN DAC DAC IC504 S 80856ALNP EEL...

Page 32: ...BEEP 19 20 21 22 23 24 18 17 16 15 14 13 PW SW 12 11 10 8 7 BST1 9 BST2 6 5 4 3 2 1 BST AGC PW B PW A ADD MTTC VCC INB INA BEEPOUTB BEEPOUTA B OUTA PWRGND OUTB DET AGC_IN BSTOUT BSTNF2 LPF2 BSTNF1 LPF1 VREF VREF IN GND BEEP IN BSTSW MTSW PWSW ...

Page 33: ... UNIT BACK 7 3 043 735 01 SHEET INSULATING 8 3 348 998 91 SCREW M1 4 9 A 3323 395 A HP BOARD COMPLETE EXCEPT FR 9 A 3323 524 A HP BOARD COMPLETE FR 10 A 3323 397 A MAIN BOARD COMPLETE 11 4 225 833 01 BUTTON MENU 12 4 225 828 01 BUTTON VOL 13 X 3378 991 1 CASE ASSY SILVER EXCEPT US 13 X 3378 993 1 CASE ASSY BLUE US 14 3 318 203 91 SCREW B1 7X9 TAPPING 15 4 225 832 01 STOPPER BATTERY CASE LID SILVER...

Page 34: ...5 11 TANTAL CHIP 4 7uF 20 6 3V C315 1 125 837 11 CERAMIC CHIP 1uF 10 6 3V C316 1 165 112 11 CERAMIC CHIP 0 33uF 20 10V C322 1 164 360 11 CERAMIC CHIP 0 1uF 16V C323 1 164 360 11 CERAMIC CHIP 0 1uF 16V C324 1 164 360 11 CERAMIC CHIP 0 1uF 16V C374 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C376 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V CONNECTOR CN705 1 793 753 21 CONNECTOR BOARD TO BOARD 20P IC IC302...

Page 35: ...0 50V C717 1 162 962 11 CERAMIC CHIP 470PF 10 50V C718 1 162 964 11 CERAMIC CHIP 0 001uF 10 50V C720 1 115 156 11 CERAMIC CHIP 1uF 10V C721 1 115 156 11 CERAMIC CHIP 1uF 10V C723 1 164 360 11 CERAMIC CHIP 0 1uF 16V C724 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C726 1 125 839 11 TANTAL CHIP 47uF 20 6 3V C728 1 164 360 11 CERAMIC CHIP 0 1uF 16V C729 1 107 826 11 CERAMIC CHIP 0 1uF 10 16V C730 1 117 92...

Page 36: ...8FU TE85R IC714 8 759 658 22 IC PST3427UL JUMPER RESISTOR JC702 1 218 990 11 SHORT 0 JC703 1 218 990 11 SHORT 0 JC707 1 218 990 11 SHORT 0 JC711 1 218 990 11 SHORT 0 JC720 1 218 990 11 SHORT 0 JC721 1 218 965 11 RES CHIP 10K 5 1 16W JC742 1 218 929 11 RES CHIP 10 5 1 16W JC754 1 218 990 11 SHORT 0 JC757 1 218 990 11 SHORT 0 JC758 1 218 977 11 RES CHIP 100K 5 1 16W JC759 1 218 990 11 SHORT 0 JC768 ...

Page 37: ...1 INDUCTOR 600uH R706 1 218 977 11 RES CHIP 100K 5 1 16W R707 1 218 977 11 RES CHIP 100K 5 1 16W R708 1 218 965 11 RES CHIP 10K 5 1 16W R709 1 218 985 11 RES CHIP 470K 5 1 16W R710 1 218 977 11 RES CHIP 100K 5 1 16W R712 1 218 965 11 RES CHIP 10K 5 1 16W R713 1 218 989 11 RES CHIP 1M 5 1 16W R714 1 218 955 11 RES CHIP 1 5K 5 1 16W R715 1 218 951 11 RES CHIP 680 5 1 16W R716 1 218 965 11 RES CHIP 1...

Page 38: ...STAL 32 768kHz MISCELLANEOUS 5 1 418 774 11 LCD UNIT 6 1 418 715 11 LIGHT UNIT BACK 23 1 756 046 11 BATTERY LITHIUM ION MAIN Note The designations of the parts in the figure are just as described in the instruction manual The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified Les composants identifiés par une marque 0 sont cri...