Benutzeranleitung / Produktwartung MDS-PC3 des Produzenten Sony
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MDS-PC3 SPECIFICA TIONS SERVICE MANUAL MINIDISC DECK Model Name Using Similar Mechanism MDS-JE640 MD Mechanism T ype MDM-7A Optical Pick-up T ype KMS-260B/J1N US Model Canadian Model AEP Model UK Model E Model US and f oreign patents licensed form Dolby Laboratories Licensing Corporation.
2 SELF-DIA GNOSIS FUNCTION The self-diagnosis function consists of error codes for customers which are displayed automatically when er rors occur, and erro r codes which sho w the error history in the test mode during servicing. For details on ho w to view error codes for the customer , refer to the following box in the instruction manual.
3 1. While pressing the AMS knob and x / Z button, connect the po wer plug to the outlet, and release the AMS knob and x / Z b utton. When the test mode is set, “ [Check] ” will be displayed. 2. Rotate the AMS knob and w hen “ [Service] ” is displayed, press the @/1 b utton.
4 Description T ABLE OF CONTENTS 1. SER VICING NO TES ............................................. 5 2. GENERAL ........................................................................ 11 3. DISASSEMBL Y 3-1. Case (U) ................................
5 SECTION 1 SER VICE NO TES This appliance is classified as a CLASS 1 LASER product. The CLASS 1 LASER PR ODUCT MARKING is located on the rear exterior . Laser component in this product is capable of emitting radiation exceeding the limit for Class 1.
6 JIG FOR CHECKING BD BO ARD W A VEFORM The special jig (J-2501-196-A) is useful for checking the wa veform of the BD board. The names of terminals and the checking ite ms to be performed are sho wn as follows.
7 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 v alue labeled on the optical pick-up can be recorded in the non-volatile memory . By recording the v alue, it will elimin ate the need to look at the value on the label of the optical pic k-up.
8 CHECKS PRIOR T O PARTS REPLA CEMENT AND ADJUSTMENTS Before performing repairs, perform the follo wing checks to determine the faulty locations up to a certain extent. Details of the procedures are described in “5 Electrical Adjustments”. • 5-6-2.
9 RETR Y CA USE DISPLA Y MODE • In this test mode, the causes for retry of the unit during recording can be displayed on the indication v essel. During playbac k, the “track mode” for obtaining track information will be set. This is useful for locating the faulty part of the unit.
10 He xadecimal Bit Binar y Higher Bits Lo wer Bits 84218421 b7 b6 b5 b4 b3 b2 b1 b0 00000001 00000010 00000100 00001000 00010000 00100000 01000000 10000000 He xa- decimal Details 01 02 04 08 10 20 40 80 Emphasis OFF Monaural This is 2-bit display . Normall y 01.
11 SECTION 2 GENERAL This section is extracted from instruction manual. 4 Location and Function of P ar ts Front Panel Parts Description This chapter tells you about the location and function of the various buttons and controls on the front panel and the supplied remote.
12 6 Using the Display The display window shows information about the MD or track. This section describes the information that appears for each deck status.
13 9 Getting Star ted Hooking Up The MD deck can be connected to PCs with PC LINK capability (such as the V AIO-series of PCs), peripheral devices such as portable CD players, and active speakers. Make sure all devices are turned off before you hook them up.
14 SECTION 3 DISASSEMBL Y 3-1. CASE (U) 3-2. MD MECHANISM DECK (MDM-7A) Note : Follow the disassembly pr ocedure in the numerical order given. 1 three screws (BVTP 3x10) 2 3 4 case (U) 1 three screws .
15 3-3. MAIN BO ARD 3-4. O VER LIGHT HEAD (HR901), BD (MD) BO ARD 1 flat type wire (13 core) (CN103) 2 two screws (BVTP 3x8) 3 three screws (BVTP 3x8) 4 MAIN board 6 3 head, ov er light (HR901) 1 connector (CN104) 7 FLEXIBLE board (CN101) 8 BD (MD) board 2 screw (P 1.
16 3-5. HOLDER ASSY 3-6. LO ADING MO T OR ASSY (M103) 2 claw 3 5 1 spring (holder), tension 6 holder assy 4 boss 4 boss 1 belt (loading) 2 two screws (PWH 1.
17 4 slider (EJ) 6 slider 7 lev er (CHG) 8 lev er (head) 3 5 A 1 two screws (BTP 2x6) 2 guide (L) 0 motor assy , sled (M102) 9 two screws (PWH 1.7x2.5) Remev e the claw . Shift the slider in the arrow A direction. 2 screw (M 1.7), tapping 3 gear (SD) 6 two screws (K 2x6) 7 MAIN shaft 8 4 screw (BTP 2x6) 9 screw (P 1.
18 1 screw (M 1.7), tapping 2 motor assy , spindle (M101) 3-9. SPINDLE MO T OR ASSY (M101).
19 SECTION 4 TEST MODE Function name &/1 button x/Z button AMS Left or Right knob Push u Function Cancel or mov e to top hierarchy Set Select Set submenu 4-1.
20 Display A UTO CHECK Err Display TEMP ADJUST LDPWR ADJUST Iop Write Iop NV Sa ve EF MO ADJUST EF CD ADJUST FBIAS ADJUST A G Set (MO) A G Set (CD) TEMP CHECK LDPWR CHECK EF MO CHECK EF CD CHECK FBIAS.
21 4-5-1. Operating the Continuous Playbac k Mode 1. Entering the continuous playback mode 1 Set the disc in the unit. (Whichev er recordable discs or discs for playback only are av ailable.) 2 Rotate the AMS knob and display “CPLA Y1MODE”(C34). 3 Press the @/1 button to chang e the display to “CPLA Y1 MID”.
22 Function PLA Y STOP FF FR SCROLL PLA YMODE DISPLA Y x/Z “ PGM ” x/Z REPEA T REC CLEAR TIME 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.
23 Servo OFF T racking servo ON Recording mode OFF CL V normal mode T racking offset cancel OFF Groove Lo w reflection CL V A CL V UNLOCK Contents When Lit When Off Display Servo ON Tracking serv o OF.
24 SECTION 5 ELECTRICAL ADJUSTMENTS 5-1. PAR TS REPLACEMENT 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.
25 5-6-4. Auto Check (See page 28) 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 5-1 1.
26 5-7. INITIAL SETTING OF ADJUSTMENT V ALUES 5-8. RECORDING OF Iop INFORMA TION 5-9. TEMP COMPENSA TION OFF SET ADJUST 5-10. LASER PO WER ADJUSTMENT 5-11. Iop NV SA VE 5-12. TRA VERSE ADJUSTMENT 5-13. FOCUS BIAS ADJUSTMENT 5-16. AUTO GAIN ADJUSTMENT 5-6-4.
27 5-6. CHECKS PRIOR TO REP AIRS These checks are performed before replacing parts according to “approximate specifications” to determine the faulty loca tions. For details, refer to “Checks Prior to Parts Replacement and Adjust- ments” (See page 8).
28 8. Press the @/1 button display “EFB = MO-P”. Then, the optical pick-up moves to the pit area automatically and servo is imposed. 9. Observe the waveform of the oscilloscope, and check that the specif ied value is satisfied . Do not rotate the AMS knob .
29 5-6-8. C PLA Y Check MO Error Rate Chec k Checking Procedur e : 1. Load a continuously recorded test disc (MD W -74/GA-1). (Refer to “5-5. Using the Continuously Recorded Disc”.) 2. Rotate the AMS knob and display “CPLA Y1MODE” (C34). 3. Press the @/1 button and displa y “CPLA Y1 MID”.
30 5-7. INITIAL SETTING OF ADJUSTMENT VALUE Note: Mode which sets the adjustment results recorded in the non-v ola- tile memory to the initial setting v alue. Howe ver the results of the temperature compensation offset adjustment will not c hange to the initial setting v alue.
31 KMS 260B 20101 H0576 Iop = 57.6 mA in this case Iop (mA) = Digital voltmeter reading (mV)/1 ( Ω ) 7. Then, rotate the AMS knob and display “LDPWR CHECK” (C13). 8. Press the @/1 button once and display “LD 0.9 mW $ ”. Check that the reading of the laser po wer meter become 0.
32 10. Rotate the AMS knob until the wav eform of the oscilloscope mov es closer to the specified v alue. In this adjustment, wa veform varies at interv als of approx. 2%. Adjust the wa veform so that the specified v alue is satisfied as much as possible.
33 5-14. ERROR RA TE CHECK 5-14-1. CD Error Rate Chec k Checking Procedur e : 1. Load a check disc (MD) TD YS-1. 2. Rotate the AMS knob and display “CPLA Y1MODE” (C34). 3. Press the @/1 b utton twice and display “CPLA Y1 MID”. 4. The display changes to “C = AD = )”.
34 NO TE: It is useful to use the jig. for checking the wavefor m. (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.
35 35 SECTION 6 DIA GRAMS THIS NO TE IS COMMON FOR PRINTED WIRING BO ARDS AND SCHEMA TIC DIAGRAMS. (In addition to this, the necessary note is printed in each b lock.) For schematic diagrams. Note: • All capacitors are in µF unless otherwise noted.
MDS-PC3 36 36 6-1. 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/J1N) AUTOMATIC POWER CONTROL Q121, 122 APC PD APCREF AT AMP B.
MDS-PC3 37 37 – MAIN SECTION – 09 X550 45.1584MHz ROTARY ENCODER A/D, D/A CONVERTER IC500 SDTO ADDT DADT, BCK, LRCK SDTI (Page 36) A B LINE AMP IC502 MUTING Q170,270 MUTING CONTROL SWITCH Q100 REM.
MDS-PC3 38 38 6-2. PRINTED WIRING BO ARD – BD SECTION – Ref. No. Location D101 A-4 Q101 B-1 Q131 C-1 Q132 B-1 Q133 B-1 Q134 C-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-PC3 39 39 6-3. SCHEMA TIC DIA GRAM – BD SECTION (1/2) – • See page 35 f or Wa veforms. • See page 46 f or IC Block Diagrams. • See page 49 f or IC Pin Functions.
MDS-PC3 40 40 6-4. SCHEMA TIC DIA GRAM – BD SECTION (2/2) – • See page 35 for W avef orms. • See page 46 for IC Bloc k Diagrams. • See page 50 f or IC Pin Functions.
MDS-PC3 41 41 6-5. PRINTED WIRING BO ARD – MAIN SECTION – Ref. No. Location D155 C-4 D156 C-4 D255 C-4 D256 C-4 D301 B-1 D400 A-1 D402 B-3 D421 B-3 D422 B-3 IC300 C-2 IC301 C-4 IC400 B-2 IC401 B-1 IC402 B-4 IC420 C-1 • Semiconductor Location Ref.
MDS-PC3 42 42 6-6. SCHEMA TIC DIA GRAM – MAIN SECTION (1/2) – • See page 35 for Wa veforms. • See page 41 f or Printed Wiring Board. • See page 48 for IC Bloc k Diagrams.
MDS-PC3 43 43 6-7. SCHEMA TIC DIA GRAM – MAIN SECTION (2/2) – • See page 35 for W avef orms. • See page 41 for Printed Wiring Board. • See pa ge 47 for IC Bloc k Diagrams.
MDS-PC3 44 44 6-8. PRINTED WIRING BO ARD – P ANEL SECTION – There are a few cases that the part isn ’ t mounted in model is printed on diagram. Ref. No. Location D751 A-6 Q701 A-6 Q751 A-6 • Semiconductor Location Ref. No. Location IC781 A-6 • Semiconductor Location • MAIN and P ANEL boards are lead free soldered (contains no lead).
MDS-PC3 45 45 6-9. SCHEMA TIC DIA GRAM – P ANEL SECTION – • See page 35 for W avef orms..
46 46 6-10. IC BLOCK DIA GRAMS IC101 CXA2523AR (BD BO ARD) –1 –2 + – IVR BB + – IVR AA + – IVR CC + – IVR DD + – IVR + – EE EE' EFB TESW PTGR 48 MORFO 47 MORFI 46 RFO 45 OPN 44 OP.
47 IC400 MAX1626ESA-TE2 (MAIN BO ARD) VCOM AINR AINL 2 1 3 VREF 4 TEST 7 XT AI 9 XT ALE 10 XT AO 8 SDTI 14 LRCK 11 BICK 12 SDTO 13 AGND 5 VA 6 A/D CONVERTER BLOCK D/A CONVERTER BLOCK CLOCK GENERA TOR .
48 IC420 M62016FP-E1 (MAIN BO ARD) IC503 BH3541F-E2 (MAIN BO ARD) IC800 P82B715TD .118 (MAIN BO ARD) + – + – 3 4 5 6 2 8 7 1 VCC NC NC NC RESET GND CD INT INTERRUPT SIGNAL GENERATOR RESET SIGNAL G.
49 6-11. IC PIN FUNCTIONS • IC101 CXA2523AR RF Amplifier (BD BO ARD) Pin No. Pin Name I/O Function I J VC A to F PD APC APCREF GND TEMPI TEMPR SWDT SCLK XLA T XSTBY F0CNT VREF EQADJ 3T ADJ Vcc WBLAD.
50 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 to 34 35 36 to 40 41 42 43 44 45 46 47 48 49 50, 51 • IC151 CXD2662R Digital Signal Processor , Digital Serv o Signal Processor (BD BO ARD) Function Pin No.
51 Function Pin No. Pin Name I/O 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 86 87 88 89 90 91 92 93 94 95 96 to 98 99 100 MVCI ASYO ASYI A VD.
52 1 DA T A(FL) O Serial data signal output to the display driver 2 CLK(FL) O Serial clock signal output to the display driver L: Active 3 A1-IN I Fixed at H (Pull-up) 4 SIRCS I Remote control input 5.
53 58 SHCK (MNT1) I Track jump signal input from the CXD2662R 59 VCC — Power supply (+3.3V) 60 EEP-WP O EEP-ROM write protect signal output L: write possibility 61 SDA I/O Data signal input/output p.
54 7-1. CHASSIS SECTION 1 4-230-473-01 CASE(B) 2 7-685-647-79 SCREW+BVTP 3X10 TYPE2 N-S * 3 4-978-398-21 CUSHION 4 4-230-482-01 KNOB(AMS) 5 X-4953-181-1 PANELASSY , FRONT 6 4-230-848-71 LID (MD) 7 4-228-630-11 SPRING (LID), TENSION COIL 8 1-804-189-11 LIGHT , LCD BACK 11 1-757-134-11 WIRE(FLA T TYPE) (13 CORE) 12 4-951-620-01 SCREW (2.
55 7-2. MECHANISM SECTION-1 (MDM-7A) Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks * 301 4-996-267-01 BASE (BU-D) 302 4-231-319-01 SCREW (2X6) CZN, +B (P) TRI 303 4-227-007-01 GEAR (SB) 304 4-227-025-01 BEL T (LOADING) 305 3-372-761-01 SCREW (M1.
56 7-3. MECHANISM SECTION-2 (MDM-7A) Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 359 358 357 355 354 356 360 359 362 352 353 368 367 353 352 351 363 352 353 362 369 369.
57 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks SECTION 8 ELECTRICAL P AR TS LIST A-4725-054-A BD BOARD, COMPLETE ****************** < CAP ACITOR > C101 1-135-259-11 T ANT AL. CHIP 10uF 20% 6.3V C102 1-135-259-11 T ANT AL.
58 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks IC171 8-759-096-87 IC TC7WU04FU(TE12R) IC181 8-759-481-17 IC MC74ACT08DTR2 IC190 8-759-460-72 IC BA033FP-E2 IC195 8-759-6.
59 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < SWITCH > S101 1-762-596-21 SWITCH, PUSH (1 KEY) (LIMIT IN SW) S103 1-771-956-21 SWITCH, PUSH (1 KEY) (OUT SW) S10.
60 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks MAIN C611 1-164-156-11 CERAMIC CHIP 0.1uF 25V C613 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25V C661 1-164-156-11 CERAMIC CHIP 0.1uF 25V C662 1-104-665-11 ELECT 100uF 20% 10V C800 1-164-156-11 CERAMIC CHIP 0.
61 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R280 1-216-789-11 METAL CHIP 2.2 5% 1/16W R281 1-216-821-11 METAL CHIP 1K 5% 1/16W R301 1-216-864-11 METAL CHIP 0 5% 1/16.
62 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks MDS-PC3 Sony Corporation Audio Entertainment Gr oup 9-929-545-11 2000J0971-1 Printed in Japan ©2000.
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