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Sony Walkman MZ-E505, Service Manual

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Sony Walkman MZ-E505 Service Manual Download Page 5

5

MZ-E505

• This set can be disassembled in the order shown below.

3-1.

DISASSEMBLY  FLOW

SECTION  3

DISASSEMBLY

SET

3-3. CASE (REAR)

(Page 6)

3-4. MAIN BOARD

(Page 7)

3-6. SWITCH BOARD

(Page 8)

3-2. BATTERY CASE LID

(Page 6)

3-5. UPPER PANEL SECTION

(Page 7)

3-7. HOLDER ASSY (Z)

(Page 8)

3-8. MECHANISM DECK

(MT-MZE505-176) 
(Page 9)

3-11. OPTICAL PICK-UP

(LCX-4E)
(Page 11)

3-12. DC SSM18B MOTOR 

(SPINDLE) (M901)
(Page 11)

3-13. DC MOTOR 

(SLED) (M902)
(Page 12)

3-10. BRACKET (R) ASSY

(Page 10)

3-9. BRACKET (L) ASSY

(Page 10)

Summary of Contents for Walkman MZ-E505

Page 1: ...leave Reed Solomon Code Samplingfrequency 44 1 kHz Coding ATRAC Adaptive TRansform Acoustic Coding ATRAC3 LP2 LP4 Modulationsystem EFM Eight to Fourteen Modulation Numberof channels 2 stereo channels 1 monaural channel Frequencyresponse 20 to 20 000 Hz 3 dB Wow and Flutter Below measurable limits Outputs Headphones earphones stereo mini jack maximum output level 5 mW 5 mW load impedance 16 Ω Power...

Page 2: ...OR DOTTED LINE WITH MARK 0 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 PUB LISHED BY SONY CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous ra diation exposure Battery life 1 Unit ...

Page 3: ...E Not a whole set of the violet color type is colored violet but only the ornamental belt and window ornament is violet and the up per panel the case rear and the battery case lid are colored sil ver Notes on chip component replacement 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 tempe...

Page 4: ...5 7 3 1 Headphones earphones 2 Stereo mini plug 3 X pause button 4 SOUND button 5 RPT ENT Repeat Enter button 6 PLAYMODE button 7 DISPLAY button 8 x stop button 9 Control N q Control VOL Pull and turn to adjust the volume qa HOLD Locking the control switch qs Display window The stop button also operates as the enter button depending on the function The display window of the remote control 6 1 2 3 ...

Page 5: ...3 4 MAIN BOARD Page 7 3 6 SWITCH BOARD Page 8 3 2 BATTERY CASE LID Page 6 3 5 UPPER PANEL SECTION Page 7 3 7 HOLDER ASSY Z Page 8 3 8 MECHANISM DECK MT MZE505 176 Page 9 3 11 OPTICAL PICK UP LCX 4E Page 11 3 12 DC SSM18B MOTOR SPINDLE M901 Page 11 3 13 DC MOTOR SLED M902 Page 12 3 10 BRACKET R ASSY Page 10 3 9 BRACKET L ASSY Page 10 ...

Page 6: ...2 claw 3 battery case lid 1 Close the battery terminal board assy 2 screw 1 7 3 two screws M1 4 4 Remove the case rear in the direction of the arrow 3 two screws M1 4 Note Follow the disassembly procedure in the numerical order given 3 2 BATTERY CASE LID ...

Page 7: ...rminal board assy 2 five screws M1 4 2 8 main board 4 boss 5 7 flexible board motor CN551 6 flexible board optical pick up CN501 3 flexible board switch board CN801 2 Open the upper section 3 two screws M1 4 4 upper panel section 1 flexible board switch board CN801 3 two screws M1 4 ...

Page 8: ...8 MZ E505 3 6 SWITCH BOARD 3 7 HOLDER ASSY Z 2 convex portion 2 convex portion 3 switch board 1 four screws 1 7 2 5 1 convex portion 4 holder assy Z 1 convex portion 3 two bosses 2 ...

Page 9: ...DECK MT MZE505 176 7 flexible board motor CN551 8 mechanism deck MT MZE505 176 6 flexible board optical pick up CN501 1 step screw L 5 Lift up the mechanism deck in the direction of the arrow 3 claw 2 nut M1 4 4 convex portion ...

Page 10: ...aws 2 convex portion 2 convex portion 3 bracket L assy 3 bracket R assy Note On installation adjust the position of knob open and open slider open slider 2 convex portion 1 claw 2 convex portion 1 claw 2 convex portion 1 claw 1 claw 2 convex portion knob open ...

Page 11: ... 3 screw M1 4 4 thrust detent spring 5 optical pick up LCX 4E 3 11 OPTICAL PICK UP LCX 4E 3 12 DC SSM18B MOTOR SPINDLE M901 1 Remove the four solders 3 three tapping screws 2 Remove the flexible board 4 DC SSM18B motor spindle M901 ...

Page 12: ...12 MZ E505 3 13 DC MOTOR SLED M902 4 two screws M1 4 5 DC motor sled M902 1 Remove the four solders 2 washer 0 8 2 5 3 gear SA ...

Page 13: ...ty location if any fault is found In the Manual mode selected adjustments can be performed automatically The attached remote control is used to operate the TEST MODE Unless otherwise specified in the text the key means that on the remote control 4 2 SETTING THE TEST MODE 4 2 1 How to set the TEST MODE To set the TEST MODE two methods are available 1 Solder bridge and short TAP601 TEST on the main ...

Page 14: ... of mode number increase Unit place of mode number decrease N X VOL VOL VOL VOL VOL VOL Test Mode Display Check Mode Manual Mode Servo Mode Audio Mode Power Mode OP Alignment Mode key x x B key x key x key Overall Adjustment Mode Sound Skip Check Result Display Mode Self diagnostic Display Mode Key Check Mode DISPLAY key DISPLAY key Press and hold down about 3 sec Terminate key checking or open th...

Page 15: ...stores the cause in EEPROM in a history format This history which can be viewed in the TEST MODE provides the means of locating the fault in troubleshooting 4 6 2 Self diagnostic mode 1 Set the TEST MODE 2 With all the LCD display segments blinking on the set press DISPLAY key and turn the control towards B the Self diagnostic mode is entered Contents of the history codes History code number Conte...

Page 16: ...terruption detected 31 OFFSET ERROR Ofst Offset error Offset error 32 FE_ABCD_OFFSET_ERR ABCD FE ABCD Offset error 33 TE_ABCD_OFFSET_ERR TE TE ABCD Offset error 34 X1_TE_OFFSET_ERR X1TE X1 TE ABCD Offset error Description of the error display codes 4 6 3 Clearing the error display code After servicing reset the error display code 1 Set the TEST MODE 2 Press the DISPLAY key on the remote control ac...

Page 17: ...e key have been checked or when the top panel is opened during this checking the system terminates the Key Check mode and return to the TEST MODE 000 0F 4 7 SOUND SKIP CHECK RESULT DISPLAY MODE This set can display and check the error count occurring during play Setting method of Sound Skip Check Result Display Mode 1 Setting the test mode 2 Turn the control towards N activates the sound skip chec...

Page 18: ...V DC from the battery case 5 3 RESET NV 5 3 1 How to reset NV 1 Set the TEST MODE 2 Set the Manual mode and set the item No 021 Reset NV LCD display 1 Reset NV Clear the memory 2 Manual power adjustments 3 Electrical offset adjustments Do not enter the disc 4 Overall CD adjustments 5 Overall MO adjustments 6 RESUME clear 7 Rewrite the NV value Overall adjustment mode Manual mode 3 Press X key on t...

Page 19: ...e structure Note The overall adjustments should be always performed in the sequence of CD t MO adjustments 5 5 2 Overall CD and MO adjustment method 1 Set the TEST MODE and turn the control towards VOL to set the Overall Adjustment mode LCD display 2 Insert CD disc in the set and turn the control towards to set the Overall CD Adjustment mode Automatic adjustments are made LCD display XXX Item No f...

Page 20: ...Focus servo ON 324 TE offset adjustment 1 321 TE gain adjustment 328 TWPP gain adjustment 324 TE offset adjustment 1 332 TE offset adjustment 2 330 Tracking servo ON 336 ABCD gain adjustment 337 KF gain correction 338 RF gain adjustment 344 CD focus gain adjustment 345 CD tracking gain adjustment 521 CD two axis sensitivity adjustment inside 522 CD two axis sensitivity adjustment outside 300 HPIT ...

Page 21: ...ffset adjustment 1 132 TWPP offset adjustment 2 149 TWPP OP offset adjustment 138 RF gain adjustment 100 R GRV setting Servo OFF 5 6 LED VOLTAGE ADJUSTMENTS 5 6 1 LED voltage check Connection Procedure 1 Confirm the power voltage is at 1 5 V 2 Set to the test mode 3 Set the Manual mode and set the item No to 071 Connect a digital voltmeter to TP902 VCOUT and TP815 LEDADJ on the MAIN board and conf...

Page 22: ...ity GREEN voltage value item No 075 Strat 0 500mV Vred 1 100mV 0 420mV Vred 0 499mV Vred 0 419mV Vred 1 101mV 2 300mV Vgrn 4 500mV NG NG NG OK OK OK NG OK Vred Vgrn adsolute value 2 000mV Vred Vgrn adsolute value 2 000mV 8 2 LED voltage adjustment See page 23 1 350mV Vgrn 2 299mV Vgrn 1 349mV Vgrn 4 501mV Vgrn Vred absolute value 3 500mV Vgrn Vred absolute value 0 800mV Set the item No to 081 and ...

Page 23: ...tandard value Standard value 0 500 to 1 100 mV 3 Press X key to write the adjustment value 4 Set the Manual mode and set the item No to 075 LCD display XXX A D value digital voltmeter MAIN board TP902 VCOUT TP815 LEDADJ 071 Red35H XX 075 GRN35H XX 5 Connect a digital voltmeter to TP902 VCOUT and TP815 LEDADJ on the MAIN board and adjust with VOL Volt age up and VOL Voltage down so that the voltage...

Page 24: ...CAL PICK UP BLOCK LCX 4E S0 S1 S0 LD A D D C PD NI PD O C B A VREF A C Jy Jx Ix Iy S1 RF AMP FOCUS ERROR TRACKING ERROR TPP WPP APC SERIAL I F RF OUT PEAK BOTM ABCD FE ADIP IN TE ADIP PD I VC AOUTL AOUTR SBUS SCK S MON XRST PEAK BOTM RFI PEAK BOTM ABCD FE TE VC ADFG APCREF RF AMP FOCUS TRACKING ERROR AMP IC501 TRK TRK FCS FCS 223 SPDL MON 233 SLD MON 30 95 94 93 102 99 97 96 98 83 82 101 100 24 25...

Page 25: ...acted from the conductor side Pattern 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 Conductor Side the pattern face are indicated Parts face side Parts on the parts face side seen from Component Side the parts face are indicated MAIN board is four layer printed board However the patterns of layers 2...

Page 26: ... 6 7 2 29 9 4 19 18 95 96 22 8 27 34 15 21 38 17 23 40 16 28 26 20 25 42 24 113 51 30 31 45 36 35 47 50 44 53 49 59 56 54 55 61 57 62 58 60 68 63 81 137 65 70 135 67 77 133 74 79 131 66 73 76 84 80 83 130 91 87 92 129 143 94 88 128 103 97 104 127 98 101 105 243 119 99 112 114 102 120 117 100 121 69 71 116 111 122 64 115 110 123 78 93 109 124 75 72 108 86 85 107 82 90 145 106 89 159 164 118 147 157...

Page 27: ... 683 347 IC903 1 2 3 C920 L901 L902 R519 Q501 E C B CN501 1 20 IC551 1 14 15 28 42 29 56 43 R J301 MAIN BOARD CONDUCTOR SIDE OPTICAL PICK UP BLOCK LCX 4E 1 8 U U N V W N V W M902 SLED M901 SPINDLE FLEXIBLE BOARD BATTERY CASE DRY BATTERY SIZE AA IEC DESIGNATION 1PC 1 5V A B C D E F G H I 1 2 3 4 5 6 7 8 9 10 6 4 PRINTED WIRING BOARD MAIN board Conductor Side Semiconductor Location Ref No Location D...

Page 28: ... B2 B3 B4 B5 B6 TRK TRK FCS FCS ADIP PEAK BOTM FE ABCD TE PEAK BOTM FE ABCD TE RMC DTCK XHOLD SW VREF MON S MON PD_S0 PD_S1 SSB CLK SSB DATA XRF RST VLON SLEEP FFCLR SET KEY XWK1 OPEN RMC KEY XRST MTR DRV CLV CON U S MON VREF MON XRF RST SSB CLK SSB DATA ADIP AA7 AA7 AA6 AA6 AA5 AA5 AA4 AA4 AA3 AA3 AA1 AA2 AA1 AA2 PD_S0 PD_S1 BB1 BB2 BB3 BB1 BB2 BB3 XCS NV XCS NV SLD CON U VL PWM VC PWM XHP STB MU...

Page 29: ... U CLV MON V CLV MON W XRST MTR DRV CC1 CC2 CC3 CC4 CC5 CC6 CC7 CC1 CC2 CC3 CC4 CC5 CC6 CC7 CC8 CC8 CC1 CC2 CC3 CC4 CC5 CC6 CC7 CC8 DD1 DD2 DD3 DD4 DD5 DD6 DD1 DD2 DD3 DD4 DD5 DD6 NC VD VC2 XRST CRST RSTREF VREF VB GND CLKSEL VAIFON FFCLR SLEEP CLK VLON XWK1 VSTB GND VL VLO VL L2 PGND2 PGND2 XWK2 XWK3 XWK4 VRMC VSS IN OUT UI2 PWM2 CPUO2 CPVO2 CPWO2 OE GND1 VC VG CPWO1 CPUO1 CPV01 PWM1 UI1 VI1 WI1 ...

Page 30: ...0 1 22 4V 6800p 100p 150k 6 8k 6 8k 220 2 5V 220 2 5V 22 10 4 7k 4 7k MAZZ068H01S0 100p 0 1 4 7 6 3V 6 8k 220k 10 6 3V 100k 6800p 0 01 470p 100 33k X4 1 1 33 1M 100 6P 02DZ2 4 Z TPH3 02DZ2 4 Z TPH3 LED ADJ B1 B2 B3 B4 B5 B6 C1 C2 C3 C4 C5 C6 RMC KEY RMC DTCK LED R PWM LED G PWM SET KEY XWK1 XHOLD SW OPEN LEDVDD LED R PWM LED G PWM SET KEY1 WK DET GND CHASSIS CHASSIS 3 3 L R OFF ON HOLD Q301 2SC473...

Page 31: ...SN761057ADBT 1 TE REXT Wpp LPF VREF C D D C Iy Ix Jx Jy A A C B ADIP IN FE ABCD OFC C1 OFC C2 PS LP EQ AGND RF CCSL2 VC RESET SCK SBUS VREF075 PEAK BOTM DGND OFTRK S MON TON C CIG CDN ADFG DVDD PD NI PD I PD O 43 44 TWpp PK BTM Aw CSLO VREF075 A C D C Malfa Mij AwBPF Dw DwBPF 42 39 AVCC 38 37 36 35 34 31 30 29 28 27 26 25 24 23 40 41 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 A B C D I...

Page 32: ...VI1 WI1 PGNDW1 WO1 VMVW1 VO1 UO1 VMU1 VMR1 PGNDUV1 PGND1 FO1 VMF1 RO1 FI1 COM2 RI2 FI2 CPVI2 CPWI2 NC GND2 CPWI1 CPUI2 COM1 RI1 CPUI1 CPVI1 VI2 WI2 WO2 VO2 VMVW2 PGNDW2 UO2 VMU2 VMR2 PGNDUV2 PGND2 FO2 VMF2 RO2 3PHASE CONTROL CH1 3PHASE PRE DRIVER CH1 H BRIDGE PRE DRIVER CH1 H BRIDGE CONTROL CH1 V W U 3PHASE CONTROL CH2 3PHASE PRE DRIVER CH2 H BRIDGE PRE DRIVER CH2 H BRIDGE CONTROL CH2 V U W BIAS V...

Page 33: ...K4 XWK3 XWK2 XWK1 VLON L1 RF1 INM1 DTC1 DTC2 RF2 INM2 VGFB VG LG PGND2 L2 NC VIF VA VAFB VDFB VIFFB VC VCO VC VC OUT L1 NC PGND1 PGND1 GND SERIES PASS REGULATOR VA SERIES PASS REGULATOR VD POWER SWITCH 2 STEP UP PRE DRIVER STEP UP PRE DRIVER POWER SWITCH 1 OUTPUT SW PWM START UP PWM OUTPUT SW SERIES PASS REGULATOR VIF BANDGAP REFERENCE OUTPUT SW SYSTEM CONTROL STEP UP DC DC CONVERTER OUTPUT SW OUT...

Page 34: ... input 19 PD I I Reference PWM signal input for the laser automatic power control from the system controller 20 PD O O Light amount monitor output terminal 21 ADFG O ADIP duplex FM signal 22 05kHz 1kHz output to the system controller 22 DVDD Power supply terminal 1 9V digital system 23 SBUS I O SSB serial data input output with the system controller 24 SCK I SSB serial clock signal input from the ...

Page 35: ...DD Power supply terminal for the analog circuit block 2 3V 22 AVSS Ground terminal for the analog circuit block 23 VDIOSC Power supply terminal for OSC cell 2 3V 24 OSCI I System clock 45 1584MHz input terminal 25 OSCO O System clock 45 1584MHz output terminal 26 VSIOSC Ground terminal for OSC cell 27 DAVDD Power supply terminal for the built in D A converter 2 3V 28 VREFL I Reference voltage inpu...

Page 36: ...65 DAPWMLN O D A converter PWM output terminal L CH reverse phase Not used 66 DAPWMRP O D A converter PWM output terminal R CH right phase Not used 67 DADT O Audio data output terminal Not used 68 ADDT I Data input terminal Not used 69 LRCK O L R sampling clock signal 44 1KHz output terminal Not used 70 XBCK O Bit clock signal 2 8224MHz output terminal Not used 71 FS256 O 11 2896MHz clock signal o...

Page 37: ... O Internal DSP SENS monitor output terminal Not used 111 TX O Record data output enable signal output monitor terminal of the internal DSP Not used 112 RECP O Laser power changeover signal output monitor terminal Not used 113 DSPVDD3 Power supply terminal for DSP block 1 5V 114 to 117 NC O Output terminal for the external D RAM Not used 118 DRAMVSS0 Ground terminal for the external D RAM 119 DRAM...

Page 38: ...tile memory 180 SO0 O Serial data output to the nonvolatile memory 181 SCK0 O Serial clock signal output to the nonvolatile memory 182 XGUM ON I Rechargeable battery detection switch input terminal L there is rechargeable battery Not used 183 BEEP O Beep sound control signal output to the headphone amp 184 NC O Not used 185 VD SEL O VD power supply changeover signal output terminal Not used 186 XM...

Page 39: ...rom the motor driver 224 XAVLS I Input terminal for AVLS switch detection signal Not used 225 226 JOG A B I Jog dial pulse input terminal Not used 227 XHOLD SW I HOLD switch input terminal L hold ON H hold OFF 228 SYNC REC I SYNCHRO REC switch input terminal L OFF H ON Not used 229 TSB SSB CTL O TSB SSB changeover control signal output terminal Not used 230 PROTECT I Detection input terminal of th...

Page 40: ...arts Example KNOB BALANCE WHITE RED Parts Color Cabinet s Color Ref No Part No Description Remark Ref No Part No Description Remark 1 X 3381 936 1 UPPER PANEL ASSY S SVX SILVER 1 X 3381 937 1 UPPER PANEL ASSY L SVX BLUE 1 X 3381 939 1 UPPER PANEL ASSY P SVX PINK 1 X 3381 942 1 UPPER PANEL ASSY V SVX VIOLET 2 3 225 873 13 SCREW M1 4 3 A 3021 677 A SWITCH BOARD COMPLETE 4 3 318 382 91 SCREW 1 7X2 5 ...

Page 41: ...5 192 42 BELT ORNAMENTAL BLUE 55 3 235 192 52 BELT ORNAMENTAL PINK 55 3 235 192 62 BELT ORNAMENTAL VIOLET 56 X 3381 107 2 BRACKET L ASSY 57 3 231 313 01 SCREW L STEP 58 X 3380 986 1 HOLDER ASSY Z 59 3 241 133 01 SHEET CONNECTOR 60 X 3381 109 1 TERMINAL BOARD ASSY BATTERY 61 3 221 591 01 NUT M1 4 62 3 240 873 01 SPACER 63 X 3381 108 4 BRACKET R ASSY 64 3 242 079 01 SPACER HOLDER 7 2 ORNAMENTAL BELT...

Page 42: ...EW TAPPING 310 4 997 677 11 WASHER 311 3 223 833 01 CHASSIS 312 3 338 645 31 WASHER 0 8 2 5 313 4 222 216 01 GEAR SA 314 X 3379 529 4 BASE ASSY MOTOR 315 3 225 996 07 SCREW M1 4 EG PRECISION PAN M901 8 835 744 01 MOTOR DC SSM18B SPINDLE WITH TURN TABLE M902 1 763 727 21 MOTOR DC SLED WITH PULLY GEAR MOTOR FLEXIBLE BOARD 7 3 MECHANISM DECK SECTION MT MZE505 176 The components identified by mark 0 o...

Page 43: ...P 0 0022uF 10 50V C557 1 127 772 11 CERAMIC CHIP 33000PF 10 10V C558 1 127 772 11 CERAMIC CHIP 33000PF 10 10V C559 1 127 772 11 CERAMIC CHIP 33000PF 10 10V C563 1 127 772 11 CERAMIC CHIP 33000PF 10 10V C564 1 127 772 11 CERAMIC CHIP 33000PF 10 10V C565 1 127 772 11 CERAMIC CHIP 33000PF 10 10V C601 1 107 820 11 CERAMIC CHIP 0 1uF 16V The components identified by mark 0 or dotted line with mark 0 ar...

Page 44: ...RES CHIP 6 8K 5 1 16W R301 1 218 935 11 RES CHIP 33 5 1 16W R302 1 218 963 11 RES CHIP 6 8K 5 1 16W R303 1 218 981 11 RES CHIP 220K 5 1 16W R501 1 218 971 11 RES CHIP 33K 5 1 16W R503 1 218 953 11 RES CHIP 1K 5 1 16W R505 1 208 691 11 METAL CHIP 2 2K 0 5 1 16W R515 1 208 691 11 METAL CHIP 2 2K 0 5 1 16W R516 1 208 691 11 METAL CHIP 2 2K 0 5 1 16W R517 1 208 691 11 METAL CHIP 2 2K 0 5 1 16W R519 1 ...

Page 45: ...WITH TURN TABLE M902 1 763 727 21 MOTOR DC SLED WITH PULLY GEAR MOTOR FLEXIBLE BOARD ACCESSORIES 1 251 895 11 BATTERY CASE 1 476 210 22 REMOTE CONTROL UNIT RM MC11EL B 1 476 763 15 CHARGE UNIT 0 1 476 858 11 ADAPTOR AC AC ES305 Hong Kong 0 1 ADAPTOR AC E 1 756 194 21 BATTERY NICKEL HYDROGEN NH 14WM A 0 3 008 521 01 CASE BATTERY CHARGE 3 220 749 01 CASE CARRYING 3 235 224 31 ATTACHMENT SILVER 3 235...

Page 46: ...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 02 New ...

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