Page 2 - SELF-DIAGNOSIS FUNCTION
– 2 – SELF-DIAGNOSIS FUNCTION The self-diagnosis function consists of error codes for customers which are displayed automatically when errors occur, and error codeswhich show the error history in the test mode during servicing. For details on how to view error codes for the customer, refer to thefol...
Page 3 - Items of Error History Mode Items and Contents; Selecting the Test Mode; ππππππ
– 3 – Items of Error History Mode Items and Contents Selecting the Test Mode Display Details of History E00 No error E01 Disc error. PTOC cannot be read (DISC ejected) E02 Disc error. UTOC error (DISC not ejected) E03 Loading error E04 Address cannot be read (Servo has deviated) Table of Error Codes...
Page 4 - LEAKAGE TEST; Using an AC voltmeter to check AC leakage.; MODEL IDENTIFICATION; Model
– 4 – SECTION 1 SERVICING NOTES SAFETY CHECK-OUT After correcting the original service problem, perform the follow-ing safety check before releasing the set to the customer:Check the antenna terminals, metal trim, “metallized” knobs,screws, and all other exposed metal parts for AC leakage.Check leak...
Page 5 - CAUTION
– 5 – Flexible Circuit Board Repairing • Keep the temperature of the soldering iron around 270 ˚C dur- ing repairing. • Do not touch the soldering iron on the same conductor of the circuit board (within 3 times). • Be careful not to apply force on the conductor when soldering or unsoldering. Notes o...
Page 6 - JIG FOR CHECKING BD BOARD WAVEFORM; : Reference level for checking the signal
– 6 – JIG FOR CHECKING BD BOARD WAVEFORM The special jig (J-2501-149-A) is useful for checking the waveform of the BD board. The names of terminals and the checking items to beperformed are shown as follows. GND : GroundI+3V : For measuring IOP (Check the deterioration of the optical pick-up laser)I...
Page 8 - CHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS; Measure if unsatisfactory:
– 8 – CHECKS PRIOR TO PARTS REPLACEMENT 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”. • 0.9 mW power Specified value : 0.84 to 0.92 mW • 7.0 mW po...
Page 9 - RETRY CAUSE DISPLAY MODE; Fig. 1 Reading the Test Mode Display
– 9 – [ ] RETRY CAUSE DISPLAY MODE • In this test mode, the causes for retry of the unit during recording can be displayed on the fluorescent indicator tube. During playback, the “track mode” for obtaining track information will be set.This is useful for locating the faulty part of the unit. • T...
Page 11 - LOCATION OF CONTROLS
– 11 – SECTION 2 GENERAL LOCATION OF CONTROLS This section is extracted frominstruction manual.
Page 13 - FRONT PANEL SECTION; SECTION 3
– 13 – CASE (408226) FRONT PANEL SECTION Note: Follow the disassembly procedure in the numerical order given. SECTION 3 DISASSEMBLY 1 two screws(CASE 3 TP2) 2 case (408226) 1 two screws(CASE 3 TP2) 2 connector(CN791) 1 wire (flat type) (19 core)(CN421) 4 claw 4 claw 5 front panel section 3 six screw...
Page 14 - MAIN BOARD
– 14 – MAIN BOARD MECHANISM DECK SECTTION (MDM-5D) 3 wire (flat type) (21 core)(CN341) 2 connector(CN502) 5 Remove the mechanism deck(MDM-5D) to direction of the arrow. 4 four step screws(BVTTWH M3) 3 wire (flat type) (23 core)(CN501) 1 harness 1 wire (flat type) (21 core)(CN341) 7 MAIN board 2 powe...
Page 17 - PRECAUTIONS FOR USE OF TEST MODE; -1. Recording laser emission mode and operating buttons; SETTING THE TEST MODE; Nn; Procedure 2: While pressing the; EXITING THE TEST MODE
– 17 – SECTION 4 TEST MODE 1. PRECAUTIONS FOR USE OF TEST MODE • As loading related operations will be performed regardless of the test mode operations being performed, be sure to check that the disc is stopped before setting and removing it.Even if the [ EJECT] button is pressed while the disc ...
Page 18 - SELECTING THE TEST MODE
– 18 – 5. SELECTING THE TEST MODE There are 31 types of test modes as shown below. The groups can be switched by rotating the [ AMS ] knob. After selecting the group to be used, press the [YES] button. After setting a certain group, rotating the [ AMS ] knob switches betw...
Page 20 - Each time the
– 20 – 6. FUNCTIONS OF OTHER BUTTONS 7. TEST MODE DISPLAYS Each time the [DISPLAY/CHAR] button is pressed, the display changes in the following order. 1. Mode displayDisplays “TEMP ADJUS”, “CPLAYMODE”, etc. 2. Error rate displayDisplays the error rate in the following way. C = ππππ AD = ππππ C = Ind...
Page 21 - REC; MEANINGS OF OTHER DISPLAYS
– 21 – (P REC SYNC A.SPACE OVER B A- TRACK DISC SLEEP MONO When Off Contents Display When Lit During continuous playback (CLV: ON) Tracking servo OFF Recording mode ON CLV low speed mode ABCD adjustment completed Tracking offset cancel ON Tracking auto gain OK Focus auto gain OK Pit High reflection ...
Page 22 - PARTS REPLACEMENT AND ADJUSTMENT; • Check and adjust the MDM and MBU as follows.
– 22 – SECTION 5 ELECTRICAL ADJUSTMENTS 1. PARTS REPLACEMENT AND ADJUSTMENT • Check and adjust the MDM and MBU as follows. The procedure changes according to the part replaced • Abbreviation OP : Optical pick-up OWH : Overwrite head • Temperature compensation offset check• Laser power check• Travers...
Page 23 - Optical pick-up flexible board; PRECAUTIONS FOR ADJUSTMENTS; Laser power meter
– 23 – 2. PRECAUTIONS FOR CHECKING LASER DIODE EMISSION To check the emission of the laser diode during adjustments, neverview directly from the top as this may lose your eye-sight. 3. PRECAUTIONS FOR USE OF OPTICAL PICK-UP (KMS-260A) As the laser diode in the optical pick-up is easily damaged by st...
Page 24 - CHECK PRIOR TO REPAIRS; -1. Temperature Compensation Offset Check; [ A M S ]
– 24 – 6. CHECK PRIOR TO REPAIRS These checks are performed before replacing parts according to“approximate specifications” to determine the faulty locations. Fordetails, refer to “Checks Prior to Parts Replacement and Adjust-ments” (See page 8). 6-1. Temperature Compensation Offset Check When perfo...
Page 25 - MO Error Rate Check; [ A M S ]
– 25 – 9. Press the [YES] button display “EFB = MO-P”. Then, the optical pick-up moves to the pit area automaticallyand servo is imposed. 10. Observe the waveform of the oscilloscope, and check that the specified value is satisfied. Do not turn the [ AMS ] knob. (Traverse Waveform) 11....
Page 27 - TRAVERSE ADJUSTMENT
– 27 – 7. Then, turn the [ AMS ] knob and display “LDPWR CHECK” (C02). 8. Press the [YES] button once and display “LD 0.9 mW $ ”. Check that the reading of the laser power meter become 0.85to 0.91 mW. 9. Press the [YES] button once more and display “LD 7.0 mW $ ”. Check that the readin...
Page 28 - FOCUS BIAS ADJUSTMENT
– 28 – ± ≠ ± ≠ 8. Turn the [ AMS ] knob so that the waveform of the oscilloscope becomes the specified value.(When the [ AMS ] knob is turned, the of “EFB- ” changes and the waveform changes.) In this adjustment, waveform varies at intervals of approx. 2%. Adjust the wave...
Page 29 - 5-1. CD Auto Gain Control Output Level Adjustment
– 29 – 13.ERROR RATE CHECK 13-1. CD Error Rate Check Checking Procedure :1. Load the check disc (MD) TDYS-1.2. Turn the [ AMS ] knob and display “CPLAY MODE” (C30). 3. Press the [YES] button twice and display “CPLAY MID”. 4. The display changes to “C = AD = ”. 5. Check that the C1 erro...
Page 31 - BLOCK DIAGRAM – MD SERVO Section –
MDS-JE530 – 31 – – 32 – SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAM – MD SERVO Section – F C B D A E I J J I B A CD E F DETECTOR 1 2 J I 4 5 6 7 A B CD 8 9 E F LD PD LASER DIODE ILCC PD OPTICAL PICK-UP (KMS-260A/J1N) AUTOMATIC POWER CONTROL Q162, 163 LASER ON SWITCH Q101 OVER WRITE HEAD DRIVE IC181, Q181,...
Page 32 - BLOCK DIAGRAM – MAIN Section –
– 33 – – 34 – MDS-JE530 6-2. BLOCK DIAGRAM – MAIN Section – 05 X341 45.1584MHz –1 –2 LED DRIVE Q756 ROTARY ENCODER FL DRIVE Q781, 782 D756 STANDBY A/D, D/A CONVERTER IC321 SDTO ADDT DADT, BCK,LRCK SDTI (Page 32) A B LINE AMP IC301 MUTING Q187, 287 MUTING CONTROL SWITCH Q306 SIRCS BUFFER Q851 REMOTE ...
Page 33 - Note on Printed Wiring Board:; NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
– 35 – Note on Schematic Diagram:• All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolyticsand tantalums. • All resistors are in Ω and 1 / 4 W or less unless otherwise specified. • % : indicates tolerance. • ¢ : internal component. • C : panel...
Page 34 - • Circuit Boards Location
– 36 – SW board MAIN board KEY SW board DISPLAY board BD board POWER SW board HP board • Circuit Boards Location
Page 35 - PRINTED WIRING BOARD – BD Board –; See page 36 for Circuit Boards Location.; • Semiconductor
MDS-JE530 – 37 – – 38 – 6-4. PRINTED WIRING BOARD – BD Board – • See page 36 for Circuit Boards Location. • Semiconductor Location Ref. No. Location D 1 0 1 A - 1 D 1 8 1 D - 3 D 1 8 3 D - 3 I C 1 0 3 B - 1 I C 1 2 3 D - 2 I C 1 7 1 D - 1 Q 1 0 2 B - 1 Q 1 0 3 C - 1 Q 1 0 4 B - 1 • Semiconductor Loc...
Page 38 - SCHEMATIC DIAGRAM – SW Board –
MDS-JE530 – 43 – – 44 – • Waveforms– BD Board – 1 IC101 1 , 2 (I, J) (Play mode) 5 IC121 @¶ (LRCK) 2 IC101 4 (A) (Play mode) 4 IC121 !§ (OSCI) 6 IC121 @• (XBCK) 0.46 Vp-p 0.1 Vp-p 3 IC101 8 , 9 (E, F) (Play mode) 7 IC121 @ª (FS256) 8 IC121 (º (FS4) 0.06Vp-p 3.1 Vp-p 22.581 MHz 3.8 Vp-p 2.8224 MHz 3....
Page 39 - PRINTED WIRING BOARD – MAIN Board –; • Semiconductor Location
MDS-JE530 – 45 – – 46 – 6-9. PRINTED WIRING BOARD – MAIN Board – • See page 36 for Circuit Boards Location. Ref. No. Location Ref. No. Location • Semiconductor Location D 3 4 1 E - 1 3 D 3 4 2 D - 1 3 D 3 4 3 D - 1 3 D 3 4 4 D - 1 3 D 4 1 1 E - 4 D 4 1 2 D - 4 D 4 1 3 D - 2 D 4 1 4 D - 2 D 4 1 5 D -...
Page 40 - See page 43 for Waveforms.
MDS-JE530 6-10. SCHEMATIC DIAGRAM – MAIN Board (1/2) – • See page 43 for Waveforms. – 47 – – 48 – • Voltages and waveforms are dc with respect to ground under no-signal conditions.no mark : PLAY (Page 41) (Page 44) (Page 54) (Page 49) (Page 41) (Page 49)
Page 42 - -12. PRINTED WIRING BOARDS – PANEL Section –
MDS-JE530 6-12. PRINTED WIRING BOARDS – PANEL Section – • See page 36 for Circuit Boards Location. – 51 – – 52 – (Page 45) (Page 46) • Semiconductor Location Ref. No. Location I C 7 6 1 C - 7 I C 7 7 1 B - 5 Q 7 8 1 C - 1 Q 7 8 2 C - 1
Page 43 - -13. SCHEMATIC DIAGRAM – PANEL Section –; See page 43 for Waveform.
MDS-JE530 6-13. SCHEMATIC DIAGRAM – PANEL Section – • See page 43 for Waveform. • Voltages and waveforms are dc with respect to ground under no-signal conditions.no mark : STOP – 53 – – 54 – (Page 50) (Page 47)
Page 45 - – MAIN Board –
– 57 – – MAIN Board – IC310 M5293L IC321 AK4524 IC431 LA5632 IC471 LB1641 2 5 5k + – 27k OVERCURRENT LIMITTER OVERHEAT PROTECTION REFERENCE VOLTAGE GND ON/OFF IN REFERENCEVOLTAGE OUT 3 4 1 VCOM AINR AINL 2 1 3 VREF 4 TEST 7 XTAI 9 XTALE 10 XTAO 8 SDTI 14 LRCK 11 BICK 12 SDTO 13 AGND 5 VA 6 A/D CONVE...
Page 46 - IC PIN FUNCTION DESCRIPTION; Pin Name
– 58 – 6-14. IC PIN FUNCTION DESCRIPTION • BD BOARD IC101 CXA2523AR (RF AMP, FOCUS/TRACKING ERROR AMP) Pin No. Pin Name I/O Description 1 I I I-V converted RF signal I input from the optical pick-up block detector 2 J I I-V converted RF signal J input from the optical pick-up block detector 3 VC O M...
Page 53 - CHASSIS SECTION; SECTION 7; SP
– 65 – (1) CHASSIS SECTION SECTION 7 EXPLODED VIEWS Les composants identifiés par unemarque ! sont critiquens pour la sécurité.Ne les remplacer que par une pièceportant le numéro spécifié. T h e c o m p o n e n t s i d e n t i fi e d b ymark ! or dotted line with mark ! are critical for safety. Repl...
Page 57 - BD
– 69 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark BD A-4724-637-A BD BOARD, COMPLETE ******************* < CAPACITOR > C101 1-125-822-11 TANTALUM 10uF 20% 10V C102 1-163-038-00 CERAMIC CHIP 0.1uF 25V C103 1-125-822-11 TANTALUM 10uF 20% 10V C104 1-125-822-11 TANTA...
Page 58 - BD DISPLAY
– 70 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < COIL/SHORT > L101 1-414-813-11 FERRITE 0uH L102 1-414-813-11 FERRITE 0uH L103 1-414-813-11 FERRITE 0uH L105 1-414-813-11 FERRITE 0uH L106 1-414-813-11 FERRITE 0uH L121 1-414-813-11 FERRITE 0uH L122 1-414-813-11 ...
Page 59 - DISPLAY HP KEY SW
– 71 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C774 1-162-294-31 CERAMIC 0.001uF 10% 50V C775 1-162-294-31 CERAMIC 0.001uF 10% 50V C776 1-162-294-31 CERAMIC 0.001uF 10% 50V C781 1-162-294-31 CERAMIC 0.001uF 10% 50V C782 1-164-159-11 CERAMIC 0.1uF 50V C783 1-162-294-...
Page 60 - KEY SW MAIN
– 72 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark S706 1-762-875-21 SWITCH, KEYBOARD ( · ) S711 1-762-875-21 SWITCH, KEYBOARD (MENU/NO) S712 1-762-875-21 SWITCH, KEYBOARD (YES) S713 1-475-543-11 ENCODER, ROTARY ( ≠ AMS ± , PUSH ENTER) S714 1-762-875-21 SWITCH, KEYBOARD...
Page 61 - MAIN
– 73 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C612 1-162-306-11 CERAMIC 0.01uF 20% 16V C621 1-164-159-11 CERAMIC 0.1uF 50V (US, CND, SP) C622 1-162-306-11 CERAMIC 0.01uF 20% 16V (US, CND, SP) C623 1-126-963-11 ELECT 4.7uF 20% 50V C631 1-164-159-11 CERAMIC 0.1uF 50V...
Page 63 - MAIN POWER SW SW
– 75 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R624 1-249-437-11 CARBON 47K 5% 1/4W R631 1-247-804-11 CARBON 75 5% 1/4W (AEP, UK) R632 1-249-417-11 CARBON 1K 5% 1/4W (AEP, UK) R634 1-247-891-00 CARBON 330K 5% 1/4W R635 1-249-438-11 CARBON 56K 5% 1/4W R636 1-249-417-...
Page 64 - Sony Corporation; Home A&V Products Company
– 76 – MDS-JE530 Sony Corporation Home A&V Products Company 9-928-824-11 99C0586-1 Printed in Japan © 1999. 3 Published by Quality Assurance Dept. (Shinagawa)