Manuale d’uso / di manutenzione del prodotto MZ-E505 del fabbricante Sony
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SERVICE MANUAL POR T ABLE MINIDISC PLA YER E Model SPECIFICA TIONS MZ-E505 US and f oreign patents licensed from Dolby Laboratories. – Continued on ne xt page – Model Name Using Similar Mechanism NEW Mechanism T ype MT -MZE505-176 Optical Pick-up Name LCX-4E V er 1.
2 MZ-E505 T ABLE OF CONTENTS 1. SER VICING NO TES ............................................... 3 2. GENERAL ................................................................... 4 3. DISASSEMBL Y 3-1. Disassembly Flow ................................
3 MZ-E505 NO TES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suf f er electro- static break-do wn because of the potential difference generated by the charged electrostatic load, etc. on clothing and the human body .
4 MZ-E505 SECTION 2 GENERAL This section is e xtracted from instruction manual. P ar ts and controls The Player 3 2 1 4 9 q; 8 6 7 5 1 . / N> * button 2 V OL +*/ – button 3 i (earphones) jack 4 O.
5 MZ-E505 • This set can be disassembled in the order sho wn below . 3-1. DISASSEMBL Y FLO W SECTION 3 DISASSEMBL Y SET 3-3. CASE (REAR) (P age 6) 3-4. MAIN BOARD (P age 7) 3-6. SWITCH BOARD (P age 8) 3-2. BA TTERY CASE LID (P age 6) 3-5. UPPER P ANEL SECTION (P age 7) 3-7.
6 MZ-E505 3-3. CASE (REAR) 1 Open the battery case lid. 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: Follo w the disassembly procedure in the numerical order given.
7 MZ-E505 3-4. MAIN BO ARD 3-5. UPPER P ANEL SECTION 1 Remove solder of the battery terminal 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.
8 MZ-E505 3-6. SWITCH BO ARD 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.
9 MZ-E505 3-8. MECHANISM 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.
10 MZ-E505 3-9. BRA CKET (L) ASSY 3-10. BRA CKET (R) ASSY 1 two claws 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.
11 MZ-E505 1 washer 2 gear (SA ) 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 MO TOR (SPINDLE) (M901) 1 Remove the four solders.
12 MZ-E505 3-13. DC MO T OR (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).
13 MZ-E505 Remote control LCD • Press and hold down X ke y to hold the cur rent display while the ke y is being pressed. 4-2-3. How to release the TEST MODE When method 1 was used: T urn off the po w er and open the solder bridge on T AP601 on the main board.
14 MZ-E505 4-4. MANU AL MODE 4-4-1. Outline of the function The Manual mode is designed to perform adjustments and operational checks on the set ’ s operation according to each individual function.
15 MZ-E505 5. T o terminate the Manual mode and return to the TEST MODE, press x key . 4-5. O VERALL ADJUSTMENT MODE 4-5-1. Outline of the function This mode is designed to adjust the serv o system automatically by going through all the adjustment items.
16 MZ-E505 Contents of fault Displa y code Meaning of code Simplified Description contents No error 00 No error – – – – No error 01 Access tar get address illegally specified Adrs An attempt to access an abnormal address. Serv o system er ror 02 HIGH TEMP T emp HIGH TEMP 03 FOCUS ERR OR Fcus Focus of f-center .
17 MZ-E505 4-8. KEY CHECK MODE 4-8-1. Outline of the function This mode is used to check to make sure that each of the ke ys (including the slide switch) on the set operates normally . 4-8-2. Setting the Key Chec k mode 1. Set the TEST MODE. Press and hold do wn DISPLA Y key (for more than 3 sec) to set the K ey Check mode.
18 MZ-E505 5-4. MANU AL PO WER ADJUSTMENTS 5-4-1. Adjustment sequence The adjustments should be always performed in the follo wing se- quence: 1 Vc PWM Duty (L) adjustment (item No.:762) r 2 Vl PWM Duty adjustment (item No.:764) r 3 Vb A/D value check (item No.
19 MZ-E505 000 XXX NG 000 CD OK XXX MO RUN 5-4-3. VI PWM Duty adjustment Connection: Procedure: 1. Set the Manual mode and set the item No. to 764. LCD display 2. Connect a digital v oltmeter to TP904 (VL) and TP921 (GND) on the main board and adjust V OL + (V oltage up) and V OL – (V oltage down) on the remote control.
20 MZ-E505 6. If NG in the overall MO adjustments, return to Reset NV and perform the adjustment again. LCD display XXX: NG item No. 7. If OK through the ov erall MO adjustments, press x ke y to return to the TEST MODE and ter minate the Overall Adjust- ment mode.
21 MZ-E505 Item No . Contents 230 T racking servo ON 236 ABCD gain adjustment 237 KF gain adjustment 238 RF gain adjustment 244 FCS gain adjustment 245 TRK gain adjustment READ GR V adjustment 1 100 R.
22 MZ-E505 5. Judge LED v oltage value is OK or NG by using the v oltage value conf irmed at step 3 and 4. IN case of jadgment result is NG, adjust the LED v olta ge (See page 23). flo w chart of judging LED voltage is OK or NG: Vred: High luminosity RED voltage value (item No.
MZ-E505 23 23 5-6-2. LED voltage adjustment Note: This adjustment performed only w hen the judgment result of judging LED v oltage value is OK or NG is NG (See page 22). Connection: Procedure: 1. Set the Manual mode and set the item No. to 071. LCD display XXX: A/D v alue.
MZ-E505 24 24 D901 (BATTERY CASE) VG L902 L901 (TRACKING) (FOCUS) 2-AXIS DEVICE 12 160 161 9 194 195 221 XRF RST PD S1 XCS NV SI0 SCK0 S00 PD S0 S MON SSB CLK SSB DATA VREF MON MUTE XHP STBY BEEP 142 .
MZ-E505 25 25 Note on Schematic Diagram: • All capacitors are in µ F unless otherwise noted. pF: µµ F 50 WV or less are not indicated except f or electrolytics and tantalums. • All resistors are in Ω and 1 / 4 W or less unless otherwise specified.
MZ-E505 26 26 C997 R912 C916 R911 R914 R913 R946 R950 R964 C917 C915 R948 R920 C918 C905 C908 C921 R903 R909 R811 C909 C910 R910 R916 R922 R915 R827 C808 C803 R516 C527 R517 R505 C530 C504 C503 C505 C.
MZ-E505 27 27 C999 R521 C952 + C529 + C524 + L503 C907 C904 + C922 + C903 + C919 + C901 + C911 + L904 L905 C914 C559 C558 C557 C563 C564 R817 R203 R103 C854 C853 C851 C351 C202 + C102 + D101 KA 1 8 CN.
MZ-E505 28 28 6-5. SCHEMA TIC DIA GRAM – MAIN Board (1/3) –• See page 25 for W aveform. • See page 31 f or IC Block Diagrams. C508 C511 C513 C516 C501 C510 R606 C607 C802 C603 C604 C601 R807 R.
MZ-E505 29 29 6-6. SCHEMA TIC DIA GRAM – MAIN Board (2/3) –• See page 25 for Wa veform. • See page 31 for IC Bloc k Diagrams. R950 C917 C907 C904 R964 R915 R916 C914 IC903 C901 C922 R948 L901 .
MZ-E505 30 30 6-7. SCHEMA TIC DIA GRAM – MAIN Board (3/3) –• See page 25 for Wa veform. • See page 31 for IC Block Diagrams. C204 R204 C203 C305 C303 C302 C854 C851 C306 FB801 FB802 J301 C853 .
31 MZ-E505 • IC Block Dia grams IC301 T A2131FL (EL) V REF MT SW BST SW 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 MT TC VCC1 INB INA B.
32 MZ-E505 IC551 SC111258FCR2 VC VG VC 43 48 47 44 45 46 49 50 51 52 53 54 55 56 1 2 3 4 5 42 41 39 37 38 40 6 35 34 33 36 31 30 29 32 8 9 10 7 12 13 14 15 11 26 27 28 24 23 22 21 20 25 17 16 18 19 UI.
33 MZ-E505 IC901 XPC18A32FCR2 42 41 40 39 38 36 35 34 33 32 31 30 29 37 28 27 26 25 24 23 22 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 56 55 54 53 52 51 50 49 48 47 46 45 44 43 + – + – CL.
34 MZ-E505 6-8. IC PIN FUNCTION DESCRIPTION • IC501 SN761057ADBT (RF AMP, FOCUS/TRACKING ERROR AMP) Pin No. Pin Name I/O Description 1 TE O Tracking error signal output to the system controller 2 RE.
35 MZ-E505 • IC801 CXD2671-210GA (SYSTEM CONTROLLER, DIGITAL SIGNAL PROCESSOR, 16M BIT D-RAM) Pin No. Pin Name I/O Description 1 SCS1 — Not used 2 SI1 — Not used 3 SO1 — Not used 4 SCK1 — Not used 5 78 DD CTL — Not used 6 MCUVDD0 — Power supply terminal (for microcomputer block) (+1.
36 MZ-E505 Pin No. Pin Name I/O Description 45 BOTM I Bottom hold signal input of the light amount signal (RF/ABCD) from RF amp 46 ABCD I Light amount signal (ABCD) input from RF amp 47 FE I Focus err.
37 MZ-E505 Pin No. Pin Name I/O Description 90 SPDW O Spindle motor drive control signal output (W) to the motor driver 91 DSPVDD2 — Power supply terminal (for DSP block) (+1.
38 MZ-E505 Pin No. Pin Name I/O Description 156, 157 TEST1, TEST0 I Input terminal for the main test (normally fixed at “ L ” ) 158 EVA I EVA/FLASH chip discrimination terminal “ L ” : FLASH c.
39 MZ-E505 Pin No. Pin Name I/O Description 204 XPD ADA O Power supply control signal output terminal Not used 205 XCS LCD O Chip select signal output terminal Not used 206 LCD STB O Strobe signal out.
40 MZ-E505 SECTION 7 EXPLODED VIEWS The components identified by mark 0 or dotted line with mark 0 are critical for safety . Replace only with part number specified. • Items marked “ * ” are not stocked since the y are seldom required for routine service.
41 MZ-E505 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 51 3-335-797-01 SCREW (M1.4X2), TOOTHED LOCK * 52 A-3021-679-A MAIN BOARD, COMPLETE 53 3-235-193-01 KNOB (OPEN) 54 .
42 MZ-E505 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 301 3-222-392-01 SCREW (M1.4), T APPING 302 3-222-391-01 SPRING (M), RACK 0 303 X-3379-869-1 OPTICAL PICK-UP (LCX-4E) 304 4-222-203-02 SCREW , LEAD 305 3-043-237-02 BEARING (N) 306 4-222-208-01 GEAR (SB) 307 3-225-996-01 SCREW (M1.
43 MZ-E505 SECTION 8 ELECTRICAL P ARTS LIST Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark MAIN NO TE: • Due to standardization, replacements in the parts list may be dif f erent from the parts speci- fied in the diagrams or the components used on the set.
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 44 MZ-E505 MAIN C922 1-119-750-11 T ANT ALUM CHIP 22uF 20% 6.3V C952 1-128-964-11 T ANT ALUM CHIP 100uF 20% 6.3V C994 1-164-931-11 CERAMIC CHIP 100PF 10% 50V C995 1-107-820-11 CERAMIC CHIP 0.
Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 45 MZ-E505 < COMPOSITION CIRCUIT BLOCK > RB301 1-233-970-21 RES, NETWORK (CHIP TYPE) 33K RB553 1-233-967-11 RES, NETWORK (CHIP TYPE) 10K RB554 1-233-964-21 RES, NETWORK (CHIP TYPE) 3.
MZ-E505 REVISION HIST OR Y Clicking the ver sion allows y ou to jump to the revised page. Also, clicking the v ersion at the upper right on the re vised page allows you to jump to the ne xt revised page.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Sony MZ-E505 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Sony MZ-E505 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Sony MZ-E505 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Sony MZ-E505 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Sony MZ-E505, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Sony MZ-E505.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Sony MZ-E505. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Sony MZ-E505 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
