Sony MZ-E505 User Manual

SERVICE MANUALPORTABLE MINIDISC PLAYERE ModelSPECIFICATIONSMZ-E505US and foreign patents licensed from DolbyLaboratories.– Continued on next page –Mod

10MZ-E5053-9. BRACKET (L) ASSY3-10. BRACKET (R) ASSY1two claws2convex portion2convex portion3bracket (L) assy3bracket (R) assyNote: On installatio

11MZ-E5051washer2gear (SA)3screw (M1.4)4thrust detent spring5optical pick-up(LCX-4E)3-11. OPTICAL PICK-UP (LCX-4E)3-12. DC SSM18B MOTOR (SPINDLE)

12MZ-E5053-13. DC MOTOR (SLED) (M902)4two screws (M1.4)5DC motor (sled)(M902)1Remove the four solders.2washer (0.8-2.5)3gear (SA)

13MZ-E505Remote control LCD• Press and hold down X key to hold the current display whilethe key is being pressed.4-2-3. How to release the TEST MODE

14MZ-E5054-4. MANUAL MODE4-4-1. Outline of the functionThe Manual mode is designed to perform adjustments andoperational checks on the set’s operation

15MZ-E5055. To terminate the Manual mode and return to the TEST MODE,press x key.4-5. OVERALL ADJUSTMENT MODE4-5-1. Outline of the functionThis mo

16MZ-E505Contents of fault Display code Meaning of codeSimplifiedDescription contentsNo error 00 No error – – – – No error01 Access target address ill

17MZ-E5054-8. KEY CHECK MODE4-8-1. Outline of the functionThis mode is used to check to make sure that each of the keys(including the slide switch)

18MZ-E5055-4. MANUAL POWER ADJUSTMENTS5-4-1. Adjustment sequenceThe adjustments should be always performed in the following se-quence:1 Vc PWM Duty (

19MZ-E505000 XXX NG000 CD OKXXX MO RUN5-4-3. VI PWM Duty adjustmentConnection:Procedure:1. Set the Manual mode and set the item No. to 764.LCD displa

2MZ-E505TABLE OF CONTENTS1. SERVICING NOTES ... 32. GENERAL ...

20MZ-E5056. If NG in the overall MO adjustments, return to Reset NV andperform the adjustment again.LCD displayXXX: NG item No.7. If OK through the ov

21MZ-E505Item No. Contents230 Tracking servo ON236 ABCD gain adjustment237 KF gain adjustment238 RF gain adjustment244 FCS gain adjustment245 TRK gain

22MZ-E5055. Judge LED voltage value is OK or NG by using the voltage valueconfirmed at step 3 and 4.IN case of jadgment result is NG, adjust the LED v

MZ-E50523235-6-2. LED voltage adjustmentNote: This adjustment performed only when the judgment resultof judging LED voltage value is OK or NG is NG(Se

MZ-E5052424D901(BATTERY CASE)VGL902L901(TRACKING)(FOCUS)2-AXISDEVICE121601619194195221XRF RSTPD S1XCS NVSI0SCK0S00PD S0S MONSSB CLKSSB DATAVREF MONMUT

MZ-E5052525Note on Schematic Diagram:• All capacitors are in µF unless otherwise noted. pF: µµF50 WV or less are not indicated except for electrolyti

MZ-E5052626C997R912C916R911R914R913R946R950R964C917C915R948R920C918C905C908C921R903R909R811C909C910R910R916 R922R915R827C808C803R516C527R517R505C530C5

MZ-E5052727C999R521C952+C529+C524+L503C907C904+C922+C903+C919+C901+C911+L904L905C914C559C558C557C563C564R817R203R103C854C853C851C351C202+C102+D101KA18

MZ-E50528286-5. SCHEMATIC DIAGRAM – MAIN Board (1/3) –• See page 25 for Waveform. • See page 31 for IC Block Diagrams.C508C511C513C516C501C510R606C6

MZ-E50529296-6. SCHEMATIC DIAGRAM – MAIN Board (2/3) –• See page 25 for Waveform. • See page 31 for IC Block Diagrams.R950C917C907C904R964R915R916C9

3MZ-E505NOTES ON HANDLING THE OPTICAL PICK-UPBLOCK OR BASE UNITThe laser diode in the optical pick-up block may suffer electro-static break-do

MZ-E50530306-7. SCHEMATIC DIAGRAM – MAIN Board (3/3) –• See page 25 for Waveform. • See page 31 for IC Block Diagrams.C204R204 C203C305C303C302C854

31MZ-E505• IC Block DiagramsIC301 TA2131FL (EL)V REFMTSWBSTSWBEEP19202122232418 17 16 15 14 13PWSW12111087BST19BST2654321BSTAGCPWBPWAADDMT TCVCC1INBIN

32MZ-E505IC551 SC111258FCR2VC VGVC43484744454649505152535455561 2 3 4 542 41 39 373840635 34 3336 31 30 29328 9 107 12 1314151126272824232221202517161

33MZ-E505IC901 XPC18A32FCR242 41 40 39 38 36 35 34 33 32 31 30 29372827262524232220191817161514131211109876543215655545352515049484746454443+–+–CLKSLE

34MZ-E5056-8. IC PIN FUNCTION DESCRIPTION• IC501 SN761057ADBT (RF AMP, FOCUS/TRACKING ERROR AMP)Pin No. Pin Name I/O Description1 TE O Tracking e

35MZ-E505• IC801 CXD2671-210GA (SYSTEM CONTROLLER, DIGITAL SIGNAL PROCESSOR, 16M BIT D-RAM)Pin No.Pin NameI/O Description1SCS1—Not used2SI1—Not used

36MZ-E505Pin No.Pin NameI/O Description45 BOTMIBottom hold signal input of the light amount signal (RF/ABCD) from RF amp46 ABCD I Light amount signal

37MZ-E505Pin No.Pin NameI/O Description90SPDW O Spindle motor drive control signal output (W) to the motor driver91DSPVDD2—Power supply terminal (for

38MZ-E505Pin No.Pin NameI/O Description156, 157 TEST1, TEST0 I Input terminal for the main test (normally fixed at “L”)158 EVA I EVA/FLASH chip discri

39MZ-E505Pin No.Pin NameI/O Description204 XPD ADA O Power supply control signal output terminal Not used205 XCS LCD O Chip select signal output te

4MZ-E505SECTION 2GENERALThis section is extracted frominstruction manual.Parts and controlsThe Player32149q;86751 ./N>* button2 VOL +*/– button3 i

40MZ-E505SECTION 7EXPLODED VIEWSThe components identified bymark 0 or dotted line with mark0 are critical for safety.Replace only with part numbersp

41MZ-E505Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark51 3-335-797-01 SCREW (M1.4X2), TOOTHED LOCK* 52 A-3021-679-A MAIN BO

42MZ-E505Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark301 3-222-392-01 SCREW (M1.4), TAPPING302 3-222-391-01 SPRING (M), RA

43MZ-E505SECTION 8ELECTRICAL PARTS LISTRef. No. Part No. Description Remark Ref. No. Part No. Description RemarkMAINNOTE:• Due to standardization,

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark44MZ-E505MAINC922 1-119-750-11 TANTALUM CHIP 22uF 20% 6.3VC952 1-128-964-11 TA

Ref. No. Part No. Description RemarkRef. No. Part No. Description Remark45MZ-E505< COMPOSITION CIRCUIT BLOCK >RB301 1-233-970-21 RES, NETWORK (C

MZ-E505REVISION HISTORYClicking the version allows you to jump to the revised page.Also, clicking the version at the upper right on the revised page

5MZ-E505• This set can be disassembled in the order shown below.3-1. DISASSEMBLY FLOWSECTION 3DISASSEMBLYSET3-3. CASE (REAR)(Page 6)3-4. MAIN BOARD(

6MZ-E5053-3. CASE (REAR)1Open the battery case lid.2claw3battery case lid1Close the battery terminal board assy.2screw (1.7)3two screws (M1.4)4Remove

7MZ-E5053-4. MAIN BOARD3-5. UPPER PANEL SECTION1Remove solder of the battery terminal board assy.2five screws (M1.4 × 2)8main board4boss57flexible

8MZ-E5053-6. SWITCH BOARD3-7. HOLDER ASSY (Z)2convex portion2convex portion3switch board1four screws(1.7 × 2.5)1convex portion4holder assy (Z)1conv

9MZ-E5053-8. MECHANISM DECK (MT-MZE505-176)7flexible board (motor) (CN551)8mechanism deck (MT-MZE505-176)6flexible board (optical pick-up) (CN501)1s