Gebruiksaanwijzing /service van het product MDS-S50 van de fabrikant Sony
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MDS-JE470 SPECIFICA TIONS SERVICE MANUAL MINIDISC DECK Model Name Using Similar Mechanism MDS-S50 MD Mechanism T ype MDM-7A Optical Pick-up T ype KMS-260B/260E US Model Canadian Model AEP Model UK Model E Model A ustr alian Model US and f oreign patents licensed form Dolby Laboratories Licensing Corporation.
2 MDS-JE470 SELF-DIA GNOSIS FUNCTION The self-diagnosis function consists of error codes for customers which are displayed automatically when errors occur , and error codes which show the error history in the test mode during servicing. For details on how to view error codes for the customer , refer to the following box in the instruction manual.
3 MDS-JE470 ITEMS OF ERR OR HISTOR Y MODE ITEMS AND CONTENTS Selecting the T est Mode Displa y op rec tm op play tm spdl rp tm retry err total err err history retry adrs er refresh tm change op change Histor y Displays the total recording time.
4 MDS-JE470 Description T able of Error Codes Error Code 10 12 20 21 22 23 24 30 31 40 41 42 43 50 51 Could not load Loading switches combined incorrectly T imed out without reading the top of PTOC Co.
5 MDS-JE470 SECTION 1 SER VICE NO TES This appliance is classified as a CLASS 1 LASER product. The CLASS 1 LASER PRODUCT MARKING is located on the rear exterior . Laser component in this product is capable of emitting radiation exceeding the limit for Class 1.
6 MDS-JE470 JIG FOR CHECKING BD BO ARD W A VEFORM The special jig (J-2501-196-A) is useful for checking the waveform of the BD board. The names of terminals and the checking items to be performed are shown as follows.
7 MDS-JE470 Iop D A T A RECORDING AND DISPLA Y WHEN OPTICAL PICK-UP AND NON-V OLA TILE MEMOR Y (IC195 OF BD BO ARD) ARE REPLA CED The Iop value labeled on the optical pick-up can be recorded in the non-volatile memory . By recording the value, it will eliminate the need to look at the value on the label of the optical pick-up.
8 MDS-JE470 OPTICAL PICK-UP BLOCK TYPE DISCRIMINA TION There are two types of the optical pick-up block in this model. These are compatible except for the laser power . Check the type of the optical pick-up block before replacement. Ajdust following items after replacing the optical pick-up block.
9 MDS-JE470 CHECKS PRIOR TO PAR TS REPLA CEMENT AND ADJUSTMENTS Before performing repairs, perform the following checks to determine the faulty locations up to a certain extent. Details of the procedures are described in “5 Electrical Adjustments”.
10 MDS-JE470 Fig. 2 Reading the T est Mode Displa y (During playbac k) @@###**$$ Fluorescent display tube display @@ : Parts No. (name of area named on T OC) ### : Cluster ** : Sector $$ : T rack mode.
11 MDS-JE470 Hexadecimal Bit Binar y Higher Bits Lower Bits 84218421 b7 b6 b5 b4 b3 b2 b1 b0 00000001 00000010 00000100 00001000 00010000 00100000 01000000 10000000 Hexa- decimal Details 01 02 04 08 10 20 40 80 Emphasis OFF Monaural This is 2-bit display .
12 MDS-JE470 SECTION 2 GENERAL This section is e xtracted from instruction manual. Parts Identification The i tems ar e ar ranged in al phabet ical o rder .
13 MDS-JE470 SECTION 3 DISASSEMBL Y 3-1. DISASSEMBL Y FLO W • This set can be disassembled in the order shown below . SET 3-2 UPPER CASE (408226) 3-3 FRONT P ANEL SECTION 3-4 MAIN BO ARD 3-5 PT BOAR.
14 MDS-JE470 3-2. UPPER CASE (408226) 1 Two screws (CASE 3TP2) 1 Two screws (CASE 3TP2) 1 Screw (CASE 3TP2) 2 Case (408226) 3-3. FR ONT P ANEL SECTION 4 Two screws (+BVTP3x8) 4 Two screws (+BVTP3x8) 6.
15 MDS-JE470 3-4. MAIN BO ARD 3-5. PT BO ARD , VOL-SEL BO ARD (SP model) 6 Two screws (+BVTP3x8) 4 Two screws (+BVTP3x8) 5 screw (+BVTP3x8) 3 Connector (CN400) 2 Wire (flat type) (23core) (CN1) 1 Wire.
16 MDS-JE470 3-6. MECHANISM DECK SECTION (MDM-7A) 3-7. O VER LIGHT HEAD (HR901), BD BO ARD 2 Two step screws (+BVTTWH M3) 2 Two step screws (+BVTTWH M3) 1 Harnes s 3 Mechanism deck 6 3 Head, over ligh.
17 MDS-JE470 3-8. HOLDER ASSY 3-9. LO ADING MO T OR ASSY (M103) 5 3 6 Holder ASSY 2 Claw 4 Boss 4 Boss 1 Spring (holder), tension 2 Two screws (PWH1.7x2.
18 MDS-JE470 3 A A 1 Two screws (BTP2X6) 9 Two screws (PWH1.7X2.5) 0 Motor ASSY, sle d (M102) 7 Lever (CHG) 2 Guide (L) 6 Slider 8 Lever (head) 4 Slider (EJ) 5 Remove the claw.
19 MDS-JE470 2 Spindle motor ASSY (M101) 1 Three screws (M1.7), tapping 3-12. SPINDLE MO TER ASSY (M101).
20 MDS-JE470 Function name MENU/NO button YES button AMS Left or Right knob Push Function Cancel or move to top hierarchy Set Select Set submenu SECTION 4 TEST MODE 4-1.
21 MDS-JE470 Displa y AUTO CHECK Err Display TEMP ADJUS LDPWR ADJUS Iop Write Iop NV Save EF MO ADJUS EF CD ADJUS FBIAS ADJUS AG Set (MO) AG Set (CD) TEMP CHECK LDPWR CHECK EF MO CHECK EF CD CHECK FBI.
22 MDS-JE470 “ CPLAY1 MID ” t “ CPLAY1 OUT ” t “ CPLAY1 IN ” “ CREC1 MID ” t “ CREC1 OUT ” t “ CREC1 IN ” 4-5-1. Operating the Continuous Pla yback Mode 1. Entering the continuous playback mode 1 Set the disc in the unit. (Whichever recordable discs or discs for playback only are available.
23 MDS-JE470 Function G x M m REC MODE PLA Y MODE LEVEL/DISPLA Y/CHAR A REPEA T Contents Sets continuous playback when pressed in the STOP state. When pressed during continuous playback, the tracking servo turns ON/OFF . Stops continuous playback and continuous recording.
24 MDS-JE470 G X REC SYNC L.SYNC OVER B/1 A-/REP REC MODE DISC/LP2 SLEEP/SHUF MONO Servo OFF T racking servo ON Recording mode OFF CL V normal mode T racking offset cancel OFF Groove Low reflection CL.
25 MDS-JE470 SECTION 5 ELECTRICAL ADJUSTMENTS 5-1. PARTS REPLA CEMENT AND ADJUSTMENT If malfunctions caused by Optical pick-up such as sound skipping are suspected, follow the following check. Chec k before replacement Other faults are suspected. Check the threading mechanism, etc.
26 MDS-JE470 5-6-4. Auto Check (See page 29) Start YES NO NO NO NO NO NO NO NO YES YES YES YES YES YES YES Replace IC195 Replace OP or IO195 Replace IC101, IC195, or D101 5-11.
27 MDS-JE470 5-7. Initial setting of adjustment values 5-8. Recording of Iop information 5-9. TEMP ADJUST 5-10. Laser power adjustment 5-1 1. Iop NV Save 5-12. Traverse adjustment 5-13. Focus bias adjustment 5-16. Auto gain adjustment 5-6-4. AUTO CHECK 5-2.
28 MDS-JE470 5. Press the MENU/NO button and display “LDPWR CHECK” and stop the laser emission. (The MENU/NO button is effective at all times to stop the laser emission.) Note 1: After step 4, each time the YES button is pressed, the display will be switched between “LD 0.
29 MDS-JE470 7. Press the YES button and display “EFB = VC A B Specification A = B MO-W”. 8. Observe the waveform of the oscilloscope, and check that the specified value is satisfied. Do not rotate the l AMS L knob. (W rite power traverse checking) (T rav erse Wa vef orm) 1 1.
30 MDS-JE470 5-6-8. C PLA Y Check MO Error Rate Chec k Checking Procedur e : 1. Load a continuously recorded test disc (MDW -74/GA-1). (Refer to “5-5. Using the Continuously Recorded Disc”.) 2. Rotate the l AMS L knob and display “CPLA Y1 MODE”.
31 MDS-JE470 5-7. INITIAL SETTING OF ADJUSTMENT VALUE Note: Mode which sets the adjustment results recorded in the non-vola- tile memory to the initial setting value. However the results of the temperature compensation offset adjustment will not change to the initial setting value.
32 MDS-JE470 7. Then, rotate the l AMS L knob and display “LDPWR CHECK”. 8. Press the YES button once and display “LD 0.9 mW $ ”. Check that the reading of the laser power meter become the speci- fied value. 9. Press the YES button once more and display “LD 7.
33 MDS-JE470 1 1. Rotate the l AMS L knob until the waveform of the oscilloscope moves closer to the specified value. In this adjustment, waveform varies at intervals of approx. 2%. Adjust the waveform so that the specified value is satisfied as much as possible.
34 MDS-JE470 5-14. ERROR RA TE CHECK 5-14-1. CD Error Rate Chec k Checking Procedur e : 1. Load a check disc (MD) TDYS-1. 2. Rotate the l AMS L knob and display “CPLA Y1 MODE”. 3. Press the YES button twice and display “CPLA Y1 MID”. 4. The display changes to “C = AD = ”.
35 MDS-JE470 NO TE: It is useful to use the jig. for checking the waveform. (Refer to Servicing Note on page 6.) [BD BO ARD] (SIDE B) D101 IC151 23 1 27 1 1 7 IC101 CN101 CN103 CN102 IC195 IC190 CN105 IC102 * NO TE 5-17.
36 MDS-JE470 SECTION 6 DIA GRAMS 6-1. CIRCUIT BO ARDS LOCA TION KEY -SW board DISPLA Y board BD board MAIN board PT board V OL-SEL board (SP model) • Abbreviation SP : Singapore model.
37 37 MDS-JE470 THIS NO TE IS COMMON FOR PRINTED WIRING BO ARDS AND SCHEMA TIC DIA GRAMS. (In addition to this, the necessary note is printed in each b lock.) For schematic diagrams. Note: • 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.
MDS-JE470 38 38 6-2. BLOCK DIA GRAMS – BD SECTION – F C B D A E I J J I B A C D E F DETECTOR J I A B C D E F LD PD LASER DIODE ILCC PD OPTICAL PICK-UP (KMS-260B/260E) AUTOMATIC POWER CONTROL Q121, 122 APC PD APCREF AT AMP B.
MDS-JE470 39 39 – MAIN SECTION – X550 45.1584MHz LED DRIVE Q726 ROTARY ENCODER FL DRIVE Q767 D726 STANDBY A/D, D/A CONVERTER IC500 SDTO ADDT DADT, BCK, LRCK SDTI A B LINE AMP IC310 MUTING Q181, 28.
40 40 MDS-JE470 MAIN BOARD CN1 (Page 45) MAIN BOARD CN2 (Page 45) B A BD BOARD (SIDE B) 1 2 3 4 5 Ref. No . Location D101 A-1 Q101 B-1 Q131 C-1 Q132 B-1 Q133 B-1 Q134 B-1 • Semiconductor Location Ref. No. Location D181 D-3 D183 D-3 IC101 A-3 IC102 B-3 IC141 C-1 IC151 C-2 IC153 C-3 IC171 D-2 • Semiconductor Location Ref .
MDS-JE470 41 41 6-4. SCHEMA TIC DIA GRAM – BD SECTION (1/2) – • See page 37 for W avef orms. • See page 52 for IC Pin Functions. • See page 50 for IC Bloc k Diagrams.
MDS-JE470 42 42 6-5. SCHEMA TIC DIA GRAM – BD SECTION (2/2) – • See pa g e 37 for Wa veforms. • See page 53 f or IC Pin Functions. • See pa ge 50 fo r IC Bloc k Diagrams.
MDS-JE470 43 43 6-6. SCHEMA TIC DIA GRAM – MAIN SECTION (1/2) – • See page 37 for W avef orms. • See page 56 for IC Pin Functions. • See page 51 f or IC Block Diagrams.
MDS-JE470 44 44 6-7. SCHEMA TIC DIAGRAM – MAIN SECTION (2/2) – • See pa ge 51 for IC Bloc k Diagrams. R434 R407 C402 C412 C424 C442 R425 R424 C405 C401 C411 C406 C416 C423 C425 C431 C432 R420 R4.
MDS-JE470 45 45 DISPLAY BOARD CN701 (Page46) C BD BOARD CN102 (Page40) A (CHASSIS) BD BOARD CN103 (Page40) B MAIN BOARD PT BOARD CN921 (Page48) F 12 (12) 1-681-735- 2 3 4 5 6 7 8 9 10 11 12 A 1 B C D .
MDS-JE470 46 46 6-9. PRINTED WIRING BO ARD – DISPLA Y SECTION – • See page 36 for Cir cuit Board Location. There are a fe w cases that the par t isn’t mounted in model is printed on diagram.
MDS-JE470 47 47 6-10. SCHEMA TIC DIA GRAM – DISPLA Y SECTION – S712 S711 S704 S702 S701 R714 R713 R712 R705 R704 R703 R702 S705 R706 S714 S703 S706 S721 C765 C782 R782 R781 R775 R715 R716 S715 S71.
MDS-JE470 48 48 6-11. PRINTED WIRING BO ARD – PO WER SECTION – • See page 36 f or Circuit Boar d Location. There are a fe w cases that the par t isn’t mounted in model is printed on diagram.
MDS-JE470 49 49 6-12. SCHEMA TIC DIA GRAM – PO WER SECTION – CN900 TR900 TR950 JW904 C952 C951 C923 C924 JW901 JW902 C910 RY910 LF900 CN921 EP900 CN990 CN950 S990 JW903 D910 2P JUMPER 0.
MDS-JE470 50 50 6-13. IC BLOCK DIA GRAMS IC101 CXA2523AR (BD BO ARD) IC151 CXD2662R (BD BO ARD) IC141 BH6511FS-E2 (BD BO ARD) 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 123456789 10 11 12 13 14 1.
51 MDS-JE470 IC500 AK4524 (MAIN BO ARD) IC440 M54641L (MAIN BO ARD) VCOM AINR AINL 2 1 3 VREF 4 TEST 7 XTI 9 XT ALE 10 XTO 8 SDTI 14 LRCK 11 BICK 12 SDTO 13 AGND 5 VA 6 A/D CONVERTER BLOCK D/A CONVERT.
52 MDS-JE470 6-14. IC PIN FUNCTION DESCRIPTION • IC101 CXA2523AR RF Amplifier (BD BO ARD) Pin No . Pin Name I/O Description I J VC A to F PD APC APCREF GND TEMPI TEMPR SWDT SCLK XLA T XSTBY F0CNT VR.
53 MDS-JE470 MNT0 (FOK) MNT1 (SHCK) MNT2 (XBUSY) MNT3 (SLOC) SWDT SCLK XLA T SRDT SENS XRST SQSY DQSY RECP XINT TX OSCI OSCO XTSL DIN0 DIN1 DOUT DADTI LRCKI XBCKI ADDT DADT LRCK XBCK FS256 DVDD A03 to.
54 MDS-JE470 Description Pin No . Pin Name I/O 48 49 50, 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 D1 D0 D2, D3 MVCI ASYO ASYI A VDD BIAS.
55 MDS-JE470 Description Pin No . Pin Name I/O 86 87 88 89 90 91 92 93 94 95 96 - 98 99 100 TFDR DVDD FFDR FRDR FS4 SRDR SFDR SPRD SPFD FGIN TEST1 to TEST3 DVSS EFMO O I O O O O O O O I (S) I — O T racking servo drive PWM output (+) +3V power supply (Digital) Focus servo drive PWM output (+) Focus servo drive PWM output (–) 176.
56 MDS-JE470 1 FLDT O Serial data signal output to the display driver . 2 FLCK O Serial clock signal output to the display driver . L: Active 3 A1-IN I A1 Control input. (Fixed at L) 4 SIRCS I Remote control input. 5 - 7 NC — Not used. 8 BYTE I Data bus changed input.
57 MDS-JE470 40 ADA. LA TCH O Latch signal output to the AK4524. L: Active 41 EPN I Not used. (Fixed at L) 42 L : DINT1/H : CLIP — Not used. (open) 43 NC — Not used. 44 PROTECT I Recording-protection claw detection input from the protection detection switch.
58 MDS-JE470 81 STB O Strobe signal output to the power supply circuit. H: Power supply ON: L: standby 82 BEEP SW — Not used. 83 REC — Not used. 84 FLCS O Chip select signal output to the MSM9202 (IC760) 85, 86 D.VOL0,1 — Not used. 87, 88 JOG0, JOG1 I Jog dial pulse input from the rotary encoder .
59 MDS-JE470 7-1. CHASSIS SECTION Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks SECTION 7 EXPLODED VIEWS NOTE: • -XX, -X mean standardized parts, so they may have some differences from the original one. • Items marked “*” are not stocked since they are seldom required for routine service.
60 MDS-JE470 7-2. FR ONT P ANEL SECTION Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 59 54 54 54 54 63 54 54 60 62 61 64 51 57 56 54 65 not supplied FL750 51 X-4953-710-1 PANEL ASSY , FRONT ...(BLACK) (AEP ,UK,HK,SP ,AUS) 51 X-4953-711-1 PANEL ASSY , FRONT .
61 MDS-JE470 7-3. MECHANISM SECTION-1 (MDM-7A) Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks #2 304 305 306 302 301 307 305 320 302 311 319 312 310 309 314 313 315 316 31.
62 MDS-JE470 7-4. MECHANISM SECTION-2 (MDM-7A) The components identified by mark 0 or dotted line with mark 0 are critical for saf ety . Replace only with part number specified. Les composants identifi é s par une marque 0 sont critiques pour la s é curit é .
63 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks MDS-JE470 SECTION 8 ELECTRICAL P ARTS LIST Ref. No. Part No. Description Remarks Ref.
64 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks MDS-JE470 BD IC190 8-759-460-72 IC BA033FP-E2 IC195 8-759-640-41 IC BR24C08F-E2 <JUMPER RESISTOR> JW201 1-216-295-9.
65 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks MDS-JE470 DISPLA Y KEY-SW A-2007-907-A DISPLA Y BOARD, COMPLETE (US,CND) A-2007-911-A DISPLA Y BOARD, COMPLETE (AEP ,UK,H.
66 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks MDS-JE470 MAIN C62 1-164-159-11 CERAMIC 0.1uF 50V C87 1-162-306-11 CERAMIC 0.
67 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks MDS-JE470 MAIN <FERRITE BEAD> FB460 1-414-093-11 FERRITE 0UH FB465 1-414-093-11 FERRITE 0UH <IC> IC1 6-800-02.
68 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks MDS-JE470 MAIN The components identified by mark 0 or dotted line with mark 0 are critical for saf ety . Replace only with part number specified. Les composants identifiés par une marque 0 sont critiques pour la sécurité.
69 MDS-JE470.
MDS-JE470 REVISION HIST OR Y 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.
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