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HCD-MD313 SERVICE MANUAL Canadian Model AEP Model UK Model E Model HCD-MD313 is the amplifier, CD, MD and tuner section in DHC-MD313. US and foreign patents licensed from Dolby Model Name Using Similar Mechanism HCD-T1 Laboratories Licensing Corporation. CD Mechanism Type...
SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE REMPLACER CES COM- POSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
DISC TABLE GETTING OUT PROCEDURE ON FLUORESCENT INDICATOR TUBE/BUTTONS/JOG/ THE POWER SUPPLY IS OFF LEDs CHECK MODE 1. Insert the tweezers to a hole on bottom of the chassis as shown 1. Press two buttons PLAY MODE and p (MD) simultaneously a figure, then tern fully it toward direction 2.
SECTION 2 GENERAL LOCATION OF CNTROLS POWER button – Front Panel – MD disk slot § (MD) button ^ (MD) button p (MD) button VOLUME control knob ^ (CD) button p (CD) button FUNCTION button !º Fluorescent indicator tube !¡ !º...
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– Remote controller – POWER button DBFB button MUSIC MENU button SCROLL button BAND button MD P button MD p button MD + button @¡ CD P button !º CD p button !¡ LOOP button !™ CD + button @™ !£...
DISC TABLE 2 holder (MG) ass'y 1 screw (BV 3 × 8) 1 screw (BV 3 × 8) 3 Pull the disc table SUB CHASSIS 1 two step screws 1 two step screws 2 two insulators 2 two insulators part A part A part A 3 sub chassis...
OPTICAL PICK-UP (KSS-213B/K-N) 4 Remove the optical pick-up (KSS-213B/K-N) In the direction of the arrow C . 3 wire (flat type) (16 core) (CNU101) 1 Move the claw in the direction of the arrow A . 2 Remove the sled shaft in the direction of the arrow B .
SLIDER COMPLETE ASS’Y claw 3 Set the shaft of gear (LB) to be at the position in the figure. claw 45° 1 special screw 2 retainer (gear) 4 Remove the slider complete ass’y (M 1.7 × 1.4) in the direction of arrow with putting out of two claws.
SHUTTER ASS’Y 1 stopper washer 2 shaft (shutter) A shutter ass’y shaft (shutter) B 3 shutter ass’y shaft (shutter) A hole B hole A When installing, install the shaft (shutter) A into the hole as show in the figune before in- stalling the shaft (shutter) B into the hole B.
SECTION 4 TEST MODE 4-1. PRECAUTIONS FOR USE OF TEST MODE 4-5. SELECTING THE TEST MODE 1. As loading related operations will be performed regardless of Thirteen test modes are selected by turn VOLUME. the test mode operations being performed, be sure to check that Table 4-2.
4-7. OPERATING THE CONTINUOUS RECORDING 4-6. OPERATING THE CONTINUOUS PLAYBACK MODE MODE 4-7-1. Entering the Continuous Recording Mode 4-6-1. Entering the Continuous Playback Mode 1. Set the MO disc in the unit. (Refer to note 3.) 1. Set the disc in the unit. (Whichever recordable discs or discs for 2.
4-9. ERROR HISTORY MODE 4-9-5. Ending the displayed historys 1. Press the § (CD) button, the display will change to memory 4-9-1. Entering the Error History Mode types. 1. Turn the VOLUME knob and display “ERR DP MODE”. Table 4-4. 2.
SECTION 5 ELECTRICAL ADJUSTMENT 5-3. PRECAUTIONS FOR ADJUSTMENTS MD SECTION 1) When replacing the following parts, perform the adjustments and checks with ® in the order shown in the following table. 5-1. PRECAUTIONS FOR CHECKING LASER DI- ODE EMISSION Table 5-1. To check the emission of the laser diode during adjustments, never view directly from the top as this may lose your eyesight.
5-5. TEMPERATURE COMPENSATION OFFSET 5-6. LASER POWER ADJUSTMENT ADJUSTMENT Connection: laser Save the temperature data at that time in the non-volatile memory power meter as 25 °C reference data. Notes: 1. Usually, do not perform this adjustment. Optical pick-up 2. Perform this adjustment in an ambient temperature of 22 °C to objective lens 28 °C.
5-7. TRAVERSE (E-F BALANCE) ADJUSTMENT 8. Turn the VOLUME knob so that the waveforms of the oscillo- scope becomes the specified value. (When the VOLUME knob Note 1: Data will be erased during MO reading if a recorded disc is used is turned, the “...
5-8. FOCUS BIAS ADJUSTMENT 5-9. ERROR RATE CHECK Adjusting Method: 5-9-1. CD Error Rate Check 1. Load a continuously recorded disc (Refer to “5-4. Creating MO Checking Method: Continuously Recorded Disc”.). 1. Load a test disc TDYS-1. 2. Turn the VOLUME knob and display “CPLAY MODE”. 2.
5. Confirm that the oscilloscope waveform (S-curve) is symmetri- CD SECTION cal between A and B. And confirm peak to peak level within 2.4 ± 0.7 Vp-p. Notes: 1. CD Block basically constructed to operated without adjustment. S-curve waveform symmetry Therefore, check eaech item in order given.
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Traverse waveform specification: A=B level: 300 ± 100 mVp-p × 100 = less than ± 7% specified value: • 2 (A+B) • A+B = 300 ± 100 mVp-p 7. After check, remove the lead wire connected in step 1. Focus/Tracking Gain Adjustment (RV102, RV103) This gain has a margin, so even if it is slightly off.
IC101 (2/2) M102 SLED MOTOR • SLED MOTOR DRIVE OUT-SW S291 (LOAD OUT) M101 SPINDLE MOTOR SPINDLE • DRIVE MOTOR IN-SW S292 (LOAD IN) • SIGNAL PATH :digital out (CD) HCD-MD313 (1/3) CD Section – 27 – – 28 –...
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PACK OUT PB P SFDR SLED+ M902 REC P DRIVER SLED– SRDR SLED MOTOR SPDL+ SPRD M901 M903 (MD) LOAD-IN DRIVER SPDL– SPFD SPINDLE MOTOR LOADING MOTOR LOAD-OUT XRST XRST HCD-MD313 (2/3) MD Section – 29 – – 30 –...
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CP POWER G : German SP : Singapore IC603 CD+5V MY : Malaysia HK : Hong Kong Q561, 562 AED : North European POWER ON/OFF SW X302 HCD-MD313 (3/3) Q571, 572 7 MHz MAIN Section – 32 – – 31 –...
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• IC Block Diagrams – CD Section – IC101 CXA1782BQ – LEVELS 24 SENS – MIRR RF IV AMP1 DFCT 23 C. OUT – 22 XRST RF IV AMP2 21 DATA FE BIAS • IIL DATA RESISTOR • INPUT SHIFT RESISTOR •...
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IC102 BA6397FP DRIVE DRIVE DRIVE BUFFER BUFFER BUFFER DRIVE BUFFER REGULATOR DRIVER MUTE DRIVE DRIVE DRIVE DRIVE BUFFER BUFFER BUFFER BUFFER IC103 CXD2507AQ SERVO AUTO DATA SEQUENCER XRST SENS SUB CODE MUTE INTERFACE PROCESSOR DIGITAL LOCK SQCK TEST SQSO FILO EXCK DIGITAL FILI...
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IC104 PCM1710U-B LRCIN ML/DSD INPUT MC/DM2 INTERFACE DIGITAL MODE FILTER CONTROL BCKIN MD/DM1 TIMING CLKO MUTE CONTROL MODE CKSL NOISE SHAPER DGND DGND 5-LEVEL DAC 5-LEVEL DAC RIGHT LEFT GND2R GND2L LOW-PASS FILTER LOW-PASS FILTER RIGHT LEFT EXT1R EXT1L 3-STAGE AMP 3-STAGE AMP EXT2R EXT2L...
6-12. IC PIN FUNCTION DESCRIPTION • BD (MD) BOARD IC101 CXA2523AR (RF AMPLIFIER) Pin No. Pin Name Function I-V converted RF signal I input from the optical pick-up block detector I-V converted RF signal J input from the optical pick-up block detector Middle point voltage (+1.65V) generation output terminal 4 to 9 A to F...
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• BD (MD) BOARD IC121 CXD2652AR • (DIGITAL SIGNAL PROCESSOR, DIGITAL SERVO PROCESSOR, EFM/ACIRC ENCODER/DECODER, SHOCK • PROOF MEMORY CONTROLLER, ATRAC ENCODER/DECODER, 2M BIT D-RAM) Pin No. Pin Name Function MNT0 (FOK) Focus OK signal output to the MD system controller (IC316) “H” is output when focus is on MNT1 (SHCK) Track jump detection signal output to the MD system controller (IC316) MNT2 (XBUSY)
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Pin No. Pin Name Function DVSS — Ground terminal (digital system) Output enable signal output to the external D-RAM (IC124) XCAS Column address strobe signal output to the external D-RAM (IC124) Address signal output to the external D-RAM (IC124) XRAS Row address strobe signal output to the external D-RAM (IC124) Write enable signal output to the external D-RAM (IC124) Two-way data bus for the external D-RAM (IC124)
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Pin No. Pin Name Function APCREF Control signal output to the reference voltage generator circuit for the laser automatic power control LDDR PWM signal output for the laser automatic power control Not used (open) TRDR Tracking servo drive PWM signal (–) output to the BH6511FS (IC152) TFDR Tracking servo drive PWM signal (+) output to the BH6511FS (IC152) DVDD...
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• BD (MD) BOARD IC316 M30610MC-116FP (MD SYSTEM CONTROL) Pin No. Pin Name Function (JOG0, JOG1) Encoder switch signal input terminal Not used (fixed at “H”) DAOUT1, DAOUT2 Not used (fixed at “L”) SQSY Subcode Q sync (SCOR) input from the CXD2652AR (IC121) REMCON Remote control signal input De-emphasis control signal output to the AK4520 (IC201)
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Pin No. Pin Name Function HF module ON signal output terminal LDIN MD loading-in signal output to LB1830M (IC153) LDOUT MD loading-out signal output to LAB1830M (IC153) LD-LOW Loading motor voltage control signal output to the loading motor driver PROTECT MD PROTECT switch (S683) detect signal input terminal REFLECT MD REFLECT switch (S682) detect signal input terminal...
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• MAIN BOARD (1/3) IC601 µPD78078GF-062-3BA (MASTER CONTROL) Pin No. Pin Name Function 1 to 3 Destination setting terminal Destination setting terminal Not used (open) 5 to 7 (NC) — Not used (NC) — Not used (open) — Connecting to ground Main system clock output terminal (5 MHz) Main system clock input terminal (5 MHz) —...
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Pin No. Pin Name Function BD DATA Serial data output to the CXD2507AQ (IC103) Serial data latch pulse signal output to the CXD2507AQ (IC103) PRGL (DF. LAT) Serial data latch pulse signal output to the PCM1710U (IC104) SENCE Internal status (SENSE) signal input from the CXD2507AQ (IC103) Test mode input terminal “H’: normal (fixed at “H”...
(2) CHASSIS SECTION not supplied supplied MDM-3D FAN901 T1600 supplied supplied supplied supplied CDM13C-5BD19 (including r A, r B) CNP1601 EXCEPT MY, SP CND, UK not supplied CNP1601 CNP1601 The components identified by Les composants identifiés par une mark ! or dotted line with marque ! sont critiques pour la mark ! are critical for safety.
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(3) MD MECHANISM DECK SECTION-1 (MDM-3D) not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 101 A-4699-808-A BD (MD) BOARD, COMPLETE 4-986-959-01 WASHER, STOPPER 1-660-966-11 OP RELAY FLEXIBLE BOARD 4-987-327-01 INSULATOR 1-782-683-11 WIRE (FLAT TYPE) (14 CORE) 4-628-167-01 SCREW, STEP X-4948-722-1 SHUTTER ASSY 4-987-910-01 SPRING (O/C), TENSION...
(4) MD MECHANISM DECK SECTION-2 (MDM-3D) not supplied not supplied M902 M903 M901 HR901 The components identified by Les composants identifiés par une mark ! or dotted line with marque ! sont critiques pour la mark ! are critical for safety. sécurité.
(5) CD MECHANISM DECK SECTION-1 (CDM13C-5BD19) not supplied M903 not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 201 1-634-461-11 LOADING BOARD 4-944-012-01 TABLE, DISC 4-927-654-01 WASHER (LIMITER) A-4604-752-A HOLDER (MG) ASSY 3-659-338-00 SPRING, COMPRESSION * 223 4-917-583-21 BRACKET, YOKE 4-929-764-01 SHAFT (TABLE GUIDE)
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(6) CD MECHANISM DECK SECTION-2 (CDM13C-5BD19) M102 M101 (including r C) The components identified by Les composants identifiés par une mark ! or dotted line with marque ! sont critiques pour la mark ! are critical for safety. sécurité. Replace only with part number Ne les remplacer que par une pièce specified.
SECTION 8 AUDIO ELECTRICAL PARTS LIST NOTE: The components identified by mark • Due to standardization, replacements in the • Items marked “*” are not stocked since they ! or dotted line with mark ! are parts list may be different from the parts speci- are seldom required for routine service.
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