Sony HCD-MD373 - Manuals - manualsarea.com

Page 2 - SELF-DIAGNOSIS FUNCTION; button while pressing the

2 SELF-DIAGNOSIS FUNCTION The self-diagnosis function consists of error codes for customers which are displayed automatically when errors occur, and error codes whichshow the error history in the test mode during servicing. For details on how to view error codes for the customer, refer to the follow...

Page 3 - ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS; Selecting the Test Mode; ππππππ; Table of Error Codes

3 ITEMS OF ERROR HISTORY MODE ITEMS AND CONTENTS Selecting the Test Mode Display total rec total play retry err total err err history er refresh tm refresh Details of History No error Read error. PTOC cannot be read (DISC ejected) TOC error. UTOC error (DISC not ejected) Loading error Address cannot...

Page 4 - • K e e p t h e t e m p e r a t u r e o f s o l d e r i n g i r o n a r o u n d 2 7 0 ̊ C

4 CAUTION Use of controls or adjustments or performance of proceduresother than those specified herein may result in hazardous ra-diation exposure. MODEL IDENTIFICATION— BACK PANEL — SAFETY-RELATED COMPONENT WARNING !! COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK ! ON THE SCHEMATIC DIAGR...

Page 6 - DRAWING OUT THE TRAY DURING POWER OFF; • Press the

6 SECTION 1 SERVICING NOTE Tray (CDM) Move the Cam block in the directionof arrow with a finger. 4 Panel board 2 Nut 1 Knob (VOL) 5 Ring (VOL) (Remove the two claws from the Front panel back side.) 6 Filter (FL) 3 Six screws (BVTP 3x10) 7 Indication plate (FL) CD mechanism deck Optical pick-up block...

Page 7 - SERVICE POSITION THE MD MECHANISM

7 MD mechanism deck CD mechanism deck Main board Power board Amp board CN802 Extension cable (4P)(J-2501-042-A) Extension cable (3P)(J-2501-045-A) CN993 SERVICE POSITION THE MD MECHANISM SERVICE POSITION THE CD MECHANISM SERVICE POSITION THE POWER BOARD

Page 9 - Aging Mode; • Mode for repeating operations of the CD player automatically.; To end aging, while pressing the PLAY MODE/TUNING MODE button and; Error History Display Mode; button and turn OFF the power.

9 Aging Mode • Mode for repeating operations of the CD player automatically. When errors occur:Aging stops and a message indicating that an error has occurred such as “CD MEC ERR” is displayed.(For details of errors, refer to “Error History Display Mode”.) When no errors occur:Aging is repeatedly pe...

Page 13 - CHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS; Measure if unsatisfactory:; FORCED RESET

13 • 0.9 mW power Specified value : 0.84 to 0.92 mW • 7.0 mW power Specified value : 6.8 to 7.2 mWlop (at 7mW) • Labeled on the optical pickup Iop value ± 10mA • Traverse waveform Specified value : Below 10% offset • Error rate check Specified value : For points a, b, and cC1 error : Below 220AD err...

Page 14 - RETRY CAUSE DISPLAY MODE; Example

14 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. • The followin...

Page 16 - LOCATION OF PARTS AND CONTROLS; SECTION 2; Front Panel

16 LOCATION OF PARTS AND CONTROLS 1 1/u (power) switch 2 MD slot 3 6 (Eject) (MD) button 4 MD indicator 5 (P (MD) button 6 p (MD) button 7 VOLUME (CD) knob 8 (P (CD) button 9 p (CD) button 10 TUNER/BAND button 11 FUNCTION button 12 MD/CD =0/)+ + button 13 MD/CD =0/)+ – button 14 CD indicator 15 6 (C...

Page 26 - Nn

26 SECTION 4 TEST MODE 4-1. 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 6 (MD) button is pressed while the disc is rotat...

Page 27 - pressing the

27 4-5. SELECTING THE TEST MODE There are 31 types of test modes as shown below. The groups can be switched by pressing the =0 /MD/CD/TUNING – button or )+ /MD/CD/TUNING + button. After selecting the group to be used, press the ENTER/YES “R” button. After setting a certain group, pressing the =0 /MD...

Page 29 - Error rate display; Displays the error rate in the following way.; Note: “–” is displayed when servo is not imposed.; Mode display

29 4-6. FUNCTIONS OF OTHER BUTTONS 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. The sled moves to the outer circumference only when this is pressed. The ...

Page 30 - MEANINGS OF OTHER DISPLAYS; * Items shown correspond to the indicated button indicators.

30 ( (MD) * P (MD) * r REC * SYNC LEVEL-SYNC OVER 1 REPEAT TRACK DISC SHUFFLE 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...

Page 31 - MD SECTION; • Check and adjust the MDM and MBU as follows.; SECTION 5; • Abbreviation

31 MD SECTION 5-1. PARTS REPLACEMENT AND ADJUSTMENT • Check and adjust the MDM and MBU as follows. The procedure changes according to the part replaced SECTION 5 ELECTRICAL ADJUSTMENTS • Abbreviation OP : Optical pick-up OWH: Overwrite head • Temperature compensation offset check• Laser power check•...

Page 32 - Optical pick-up flexible board

32 5-2. PRECAUTIONS FOR CHECKING LASER DIODE EMISSINON To check the emission of the laser diode during adjustments, neverview directly from the top as this may lose your eye-sight. 5-3. PRECAUTIONS FOR USE OF OPTICAL PICK- UP (KMS-260B) As the laser diode in the optical pick-up is easily damaged by ...

Page 33 - Note 1: After step 4, each time the ENTER/YES “R” button is

33 5-6. CHECKS PRIOR TO REPAIRS These checks are performed before replacing parts according to“approximate specifications” to determine the faulty locations. Ford e t a i l s , r e f e r t o “ C h e c k s P r i o r t o P a r t s R e p l a c e m e n t a n dAdjustments” (See page 13). 5-6-1. Temperatu...

Page 36 - Note : Do not perform the emission with 7.0 mW more than 15

36 KMS 260A 27X40B0825 N Iop = 82.5 mA in this caseIop (mA) = Digital voltmeter reading (mV)/1 ( Ω ) 5. Then “LD 7.0 mW $ ” will be displayed. 6. Press the =0 /MD/CD/TUNING – button or )+ / MD/CD/TUNING + button so that the reading of the laser powermeter becomes 6.9 to 7.1 mW, press the ENTER/YES “...

Page 38 - Note 1 : If the C1 error and ADER are above other than the speci-; ADJUSTMENT

38 5-13. ERROR RATE CHECK 5-13-1. CD Error Rate Check Checking Procedure :1. Load a check disc (MD) TDYS-1.2. Press the =0 /MD/CD/TUNING – button or )+ / MD/CD/TUNING + button and display “CPLAY MODE”. 3. Press the ENTER/YES “R” button twice and display “CPLAY MID”. 4. The display changes to “C1 = A...

Page 39 - S Curve Check

39 39 NOTE:It is useful to use the jig. for checking the waveform. (Refer to Servicing Note on page 11.) [BD (MD) BOARD] (SIDE B) CN110 NOTE D101 I+3VIOP TE VC GND IC171 IC121 IC101 IC192 CN101 RF 5-15. ADJUSTING POINTS AND CONNECTING POINTS [BD (MD) BOARD] (SIDE A) CD SECTION Note: 1. CD Block is b...

Page 44 - – MAIN SECTION –

HCD-MD373 44 44 – MAIN SECTION – BUFFER Q401 MUX RDATA RCLK X1 X0 X401 4.332 MHz RDS DECODER IC401 X401 4.332 MHz AEP, UK STEREO TUNED DO DI CLK CE MUTE 50 51 54 53 55 52 49 6 9 10 B SELECT SWITCH 12 14 13 SELECT SWITCH 39 26 38 37 36 25 20 21 22 35 MICON INTERFACE BASS TU TC CD MD L A T D A T A C L...

Page 45 - – MD DIGITAL SECTION –

HCD-MD373 45 45 • Indication of transistor THIS NOTE IS COMMON FOR PRINTED WIRINGBOARDS AND SCHEMATIC DIAGRAMS.(In addition to this, the necessary note is printedin each block.) For schematic diagrams. Note:• All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated ex...

Page 46 - • See page 40 for Circuit Boards Location.

HCD-MD373 46 46 6-3. PRINTED WIRING BOARD – BD (CD) SECTION – • See page 40 for Circuit Boards Location. (Page 52) M A I N B O A R D TP (VC) TP (RF) TP (AGC CON) TP (FE) TP (TE) TP (TEI)

Page 48 - • Semiconductor; • Semiconductor

HCD-MD373 48 48 6-5. PRINTED WIRING BOARD – BD (MD) SECTION – • See page 40 for Circuit Boards Location. IC101 A-3 IC121 C-3 IC124 C-3 IC152 B-1 IC181 C-1 IC192 C-1 Q101 B-3 Q162 B-3 Q163 B-3 Q181 C-2 Q182 C-2 Ref. No. Location • Semiconductor Location D101 A-1 D181 D-3 D183 D-3 IC103 B-1 IC123 D-2 ...

Page 52 - • Semiconductor Location

HCD-MD373 52 52 6-10. PRINTED WIRING BOARD – MAIN SECTION – • See page 40 for Circuit Boards Location. Ref. No. Location • Semiconductor Location D171 E-2 D301 C-10 D302 C-9 D901 B-7 D911 D-7 D912 D-6 D913 D-6 D914 D-6 D921 E-6 D922 E-5 D923 E-5 D924 E-5 D941 E-7 D942 E-5 D943 E-4 D944 E-5 D945 E-4 ...

Page 53 - • See page 68 for IC Block Diagrams.

HCD-MD373 53 53 6-11. SCHEMATIC DIAGRAM – MAIN SECTION (1/3) – • See page 68 for IC Block Diagrams. (Page 55) (Page 54) (Page 54) (Page 55) (Page 54) (Page 51)

Page 56 - -14. SCHEMATIC DIAGRAM – MD DIGITAL SECTION –

HCD-MD373 56 56 6-14. SCHEMATIC DIAGRAM – MD DIGITAL SECTION – • See page 45 for Waveforms.• See page 67 for IC Block Diagrams. (Page 54) (Page 64) (Page 50) (Page 50)

Page 60 - -18. SCHEMATIC DIAGRAM – PANEL SECTION –

HCD-MD373 60 60 6-18. SCHEMATIC DIAGRAM – PANEL SECTION – (Page 55)

Page 62 - -20. SCHEMATIC DIAGRAM – POWER SECTION –

HCD-MD373 62 62 6-20. SCHEMATIC DIAGRAM – POWER SECTION – (Page 58) (Page 54)

Page 63 - VOLTAGE

HCD-MD373 63 63 6-21. PRINTED WIRING BOARD – POWER SECTION – • See page 40 for Circuit Boards Location. Ref. No. Location • Semiconductor Location D971 B-3 D972 B-2 D973 B-3 D974 B-2 D975 A-3 D976 A-3 D977 A-3 D978 A-3 D979 A-2 D980 A-3 D981 B-1 D982 A-1 D985 A-1 D986 A-5 D987 A-5 D991 A-4 D992 C-2 ...

Page 67 - • MD DIGITAL Board

67 • BD (CD) Board IC101 CXD2587Q TE RFDC CE IGEN AVSS0 ADIO AVDD0 CLTV FILO AVSS3 VSS AVDD3 DOUT VDD PCO FILI ASYO ASYI RFAC BIAS SSTP DFCT MIRR MDP LOCK FOK SFDR VSS TEST FRDR FEVC COUT SE XTSL TES1 SRDR TFDR FFDRTRDR 2 1 70 71 68 69 66 67 64 65 62 61 63 73 74 72 75 76 7778 79 80 4 XRST 3 SQCK SQS...

Page 78 - AUS

78 7-2. CHASSIS SECTION Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 51 A-4426-076-A AMP BOARD, COMPLETE 52 A-4426-081-A POWER BOARD, COMPLETE (AEP,UK) 52 A-4426-088-A POWER BOARD, COMPLETE (EXCEPT AEP,UK) 53 4-221-082-11 PANEL, BACK (AEP,UK) 53 4-221-082-31 PANEL, BACK ...

Page 85 - AMP

85 • CAPACITORS uF : µ F • COILS uH : µ H • Abbreviation HK : Hong Kong model SP : Singapore model MY : Malaysia model AR : Argentine model AUS : Australian model KR : Korea model CH : Chinese model JE : Tourist model • Due to standardization, replacements in the parts list may be different from the...

Page 88 - MD DIGITAL

88 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark L106 1-414-813-11 FERRITE 0uH L121 1-414-813-11 FERRITE 0uH L122 1-414-813-11 FERRITE 0uH L151 1-412-029-11 INDUCTOR CHIP 10uH L152 1-412-029-11 INDUCTOR CHIP 10uH L153 1-412-032-11 INDUCTOR CHIP 100uH L154 1-412-032-11 IND...

Page 89 - LOADING

89 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C358 1-163-251-11 CERAMIC CHIP 100PF 5% 50V C359 1-163-251-11 CERAMIC CHIP 100PF 5% 50V C360 1-163-251-11 CERAMIC CHIP 100PF 5% 50V C362 1-163-038-91 CERAMIC CHIP 0.1uF 25V C363 1-163-251-11 CERAMIC CHIP 100PF 5% 50V C503 1...

Page 90 - MAIN

90 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C161 1-126-933-11 ELECT 100uF 20% 16V C166 1-162-282-31 CERAMIC 100PF 10% 50V C167 1-162-294-31 CERAMIC 0.001uF 10% 50V C171 1-164-159-11 CERAMIC 0.1uF 50V C172 1-162-306-11 CERAMIC 0.01uF 30% 16V C173 1-126-933-11 ELECT 10...

Page 93 - PANEL

93 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-4426-073-A PANEL BOARD, COMPLETE ********************** * 1-690-880-31 LEAD (WITH CONNECTOR)4-221-103-01 HOLDER (FL) < CAPACITOR > C601 1-162-306-11 CERAMIC 0.01uF 30% 16V C602 1-162-306-11 CERAMIC 0.01uF 30% 16V C6...

Page 95 - POWER

95 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark POWER SP SW The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. < SWITCH > ! S991 1-571-309-11 SWITCH (VOLTAGE SELESTOR) (AUS,AR,HK,JE,MY,SP...

Page 97 - MEMO

Page 98 - REVISION HISTORY; Date

HCD-MD373 REVISION HISTORY 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 revisedpage. Ver. Date Description of Revision 1.1 2001.06 Addition of CD mechanism (CDM55C-5BD32) and base unit (BU...