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Sony HCD-ED1A Service Manual
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Sony HCD-ED1A Service Manual

Sony HCD-ED1A Service Manual

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SERVICE MANUAL
• This service manual and table of repair parts list only the differences with the HCD-ED1.
When performing repairs, refer to both the HCD-ED1 service manual and table of repair parts (9-922-706-XX).
DIFFERENCE TABLE
Page
6
2-1. CD DOOR, CD BASE AND BASE UNIT
9 Three screws (K3x8)
MICROFILM
HCD-ED1
7 Two hook screws
8 Three screws (K3x8)
!£ CD base
!¶ Two springs
!∞ Two screws (TPG P2x8)
(compression)
!§ Two washers
HCD-ED1A
HCD-ED1A
2 Bar rubber
6 Hinge pin
3 Screw
(P2x5)
!¡ Three screws (K3x8)
!º Two hook screws
!™ Three screws (K3x8)
@¡ Base unit
@º Two springs (compression)
!ª Two washers
!• Two screws (TPG P2x8)
!¢ Wire (Flat type)
COMPACT DISC DECK RECEIVER
AEP Model
UK Model
E Model
HCD-ED1A
1 Open the CD door.
4 CD player hinge
5 Hinge spring

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Summary of Contents for Sony HCD-ED1A

  • Page 1 HCD-ED1A SERVICE MANUAL AEP Model UK Model E Model • This service manual and table of repair parts list only the differences with the HCD-ED1. When performing repairs, refer to both the HCD-ED1 service manual and table of repair parts (9-922-706-XX).
  • Page 2 DIFFERENCE TABLE Page HCD-ED1 HCD-ED1A CD DOOR SW board BD board BD board DISPLAY DISPLAY board board CD DOOR SW board LED board LED board RELAY board RELAY board CONTROL BLK ASSY CONTROL BLK ASSY THIS BLOCK IS SUPPLIED THIS BLOCK IS SUPPLIED...
  • Page 3 Some delay : East European model should be anticipated when ordering these items. : Hong Kong model : Singapore model MY : Malaysia model Page HCD-ED1 HCD-ED1A Ref. No. Part No. Description Remark Ref. No. Part No. Description...
  • Page 4 Dolby Laboratories Licensing Corporation. Tape Transport Mechanism Type CMAL2Z076A SECTION SPECIFICATIONS — Continued on next page — COMPACT DISC DECK RECEIVER 9-922-706-12 Sony Corporation 2001F0200-1 Home Audio Company Shinagawa Tec Service Manual Production Group © 2001.6 – 1 –...
  • Page 5 LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY. – 2 –...

  • Page 6: Table Of Contents

    TABLE OF CONTENTS SERVICING NOTE 1. GENERAL ................4 NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT 2. DISASSEMBLY 2-1. CD Door, CD Base and Base Unit ........6 The laser diode in the optical pick-up block may suffer electrostatic 2-2.

  • Page 7: General

    SECTION 1 GENERAL Location of Parts and Controls FRONT PANEL 1 Displa y windo w 2 DBFB lamp 3 CD SYNC lamp 4 REC lamp 5 ª button 6 BAND FM ∏ button 7 POWER b utton 8 TUNING ≠ º...
  • Page 8 REMOTE 1 DISPLAY button 2 DBFB b utton 3 CD b utton 4 TUNER/BAND b utton 5 TAPE œ button 6 DIR MODE b utton 7 CD REPEA T button b uttons 9 ON/OFF b utton b uttons 11 VOL (+/–) b utton 12 STEREO/MONO b utton 13 TUNING/PLAY MODE b utton 14 DOLBY NR b utton...

  • Page 9: Disassembly

    SECTION 2 DISASSEMBLY Note: Follo w the disassemb ly pr ocedure in the n umerical or der given. 2-1. CD DOOR, CD BASE AND BASE UNIT 1 Open the CD door. 2 Bar rubber 5 Two hook screws 3 Hinge pin 6 Three screws (K3x8) 7 Three screws (K3x8) 4 Hinge spring...

  • Page 10: Bottom Cover And Front Panel Block

    2-3. BOTTOM COVER AND FRONT PANEL BLOCK 5 Front panel block 3 Bottom cover 4 Two claws 2 Two screws 1 Two screws (BVTP 3x8) (BVTP 3x8) 2-4. DOOR COVER ASSY AND MECHANICAL DECK (CASSETTE) 4 Four screws (BVTP 3x10) 3 Door spring 5 Mechanical deck (cassette)

  • Page 11: Mechanical Adjustments

    SECTION 3 SECTION 4 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS PRECAUTION DECK SECTION 0 dB=0.775V 1. Clean the following parts with a denatured alcohol-moistened 1. Demagnetize the record/playback head with a head damagnetizer. swab : (Do not bring the head demagnetizer close to the erase head.) record/playback heads pinch rollers 2.
  • Page 12 2. Turn the adjustment screw and check output peaks. If the peaks Tape Speed Adjustment do not match for L-CH and R-CH, turn the adjustment screw so that outputs match within 1 dB of peak. Procedure : Mode : Playback test tape WS-48B frequency counter...
  • Page 13 Record Bias Adjustment 2. Mode: Playback Procedure : recorded level meter 1. Mode : Record position MD IN (JK301) 1) 315Hz 50 mV (–23.8 dB) 2) 10kHz AF OSC blank tape 600 Ω CS-123 MD OUT (JK301) attenuator Confirm playback the signal recorded in step 1 become adjustment level as follows.
  • Page 14 S Curve Check CD SECTION oscilloscope Note: BD board 1. CD Block is basically designed to operate without adjustment. Therefore, check each item in order given. TP (FEO) 2. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated. TP (VC) – 3. Use an oscilloscope with more than 10MΩ impedance. 4.
  • Page 15 E-F Balance (1 Track Jump) Check Adjustment Location: (Without remote commander) [BD BOARD] — Component Side — oscilloscope BD board RV101 TP (TE) TP (VC) – IC101 RV103 Procedure : 1. Connect oscilloscpe to test point TP (TE) on BD board. 2.

  • Page 16: Diagrams

    SECTION 5 DIAGRAMS 5-1. CIRCUIT BOARDS LOCATION FM/AM TUNER THIS BLOCK IS SUPPLIED AS THE ASSEMBLED BLOCK FUN/SURROUND board TAPE PREAMP board VOL/POWER board BD board DISPLAY board CD DOOR SW board CONTROL BLK ASSY RELAY board THIS BLOCK IS SUPPLIED AS THE ASSEMBLED BLOCK –...

  • Page 17: Ic Pin Function

    5-2. IC PIN FUNCTION • IC201 MASTER CONTROL (TC9613) Pin No. Pin Name Function — Ground XOUT 8 MHz Oscillator output 8 MHz Oscillator input RESET CPU reset input TUNED Station detector input STEREO Stereo signal input TEST Test pin (Connected to ground) POWDEC Power down detect input REMOTE...
  • Page 18 Pin No. Pin Name Function — +5V power supply NARROW Narrow LED output NORMAL Normal LED output LOUD Loudness on/off control output DBFB — Not used (Connected to ground) VOL CLK Volume control clock output VOL DATA Volume control data output VOL STB Volume control strobe output FUNC A...

  • Page 29: Ic Block Diagrams

    5-13. IC BLOCK DIAGRAMS CD SECTION IC102 BA6397FP IC101 CXA1782BQ OUT1A OUT1B OUT4A – LEVEL SHIFT THERMAL IN1A OUT4B SHUT DOWN LEVEL SHIFT IN1B IN4A TR-B IN4B LEVELS REG 0 XRST 24 SENS – MIRR RF IV AMP1 DFCT 23 C. OUT IN2A IN3B –...
  • Page 30 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...
  • Page 31 IC351 TA2041F VREF BIAS OUT1 OUT2 EXT IN SWITCH SWITCH LEVEL SW C LF IN1 LF IN2 – 44 –...

  • Page 32: Exploded Views

    SECTION 6 EXPLODED VIEWS NOTE: The components identified by • Hardware (# mark) list and accessories and pack- • -XX, -X mean standardized parts, so they may have mark ! or dotted line with mark ing materials are given in the last of this parts list. some difference from the original one.
  • Page 33 6-2. REAR PANEL SECTION (EXCEPT US,CND,UK) (UK) (HK) (US,CND) not supplied S501 (MY, SP,HK) not supplied T501 FRONT PANEL Les composants identifiés par The components identified by mark ! or dotted line with mark une marque ! sont critiques pour ! are critical for safety.

  • Page 34: Front Panel Section

    6-3. FRONT PANEL SECTION Z201 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-997-351-01 DOOR COVER X-4949-449-1 FRONT PANEL SUB ASSY 4-997-354-01 DOOR SPRING X-4949-450-1 CASS DOOR SUB ASSY 4-997-362-01 DOOR LATCH 1-773-009-11 WIRE (FLAT TYPE) (15 CORE) (AEP,UK,EE,CIS) 1-759-548-11 DECK, MECHANICAL 1-751-688-11 WIRE (FLAT TYPE) (13 CORE) 4-997-357-01 GEAR HOLDER...

  • Page 35: Mechanism Deck Section (Cassette)

    Ver 1.1 2001.06 6-4. MECHANISM DECK SECTION (CASSETTE) not supplied M901 not supplied not supplied not supplied not supplied not supplied supplied not supplied not supplied not supplied supplied supplied not supplied not supplied supplied not supplied not supplied not supplied (including Ref.

  • Page 36: Base Unit Section (Bu17-Bd19)

    Ver 1.1 2001.06 6-5. BASE UNIT SECTION (BU17-BD19) M101 M102 Les composants identifiés par The components identified by une marque ! sont critiques pour mark ! or dotted line with mark ! are critical for safety. la sécurité. Replace only with part number Ne les remplacer que par une specified.

  • Page 37: Electrical Parts List

    SECTION 7 ELECTRICAL PARTS LIST Note: • SEMICONDUCTORS • Due to standardization, replacements in the parts list The components identified by In each case, u: µ , for example: may be different from the parts specified in the mark ! or dotted line with mark uA...: µ...
  • Page 38 CD DOOR SW DISPLAY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R122 1-216-097-91 METAL GLAZE 100K 1/10W A-4407-244-A CD DOOR SW BOARD, COMPLETE R123 1-216-099-00 METAL CHIP 120K 1/10W *************************** R124 1-216-091-00 METAL CHIP 1/10W <...
  • Page 39 DISPLAY FUN/SURROUND Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < DIODE > R260 1-247-828-11 CARBON 1/4W R261 1-249-416-11 CARBON 1/4W F LD201 8-719-989-30 DIODE EL204HD (WIDE) R262 1-249-418-11 CARBON 1.2K 1/4W F LD202 8-719-989-30 DIODE EL204HD (NEAR F) (US,CND) LD203 8-719-989-30 DIODE EL204HD (DBFB)
  • Page 40 RELAY FUN/SURROUND Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C353 1-137-378-11 FILM 0.22uF R317 1-249-425-11 CARBON 4.7K 1/4W F C354 1-137-378-11 FILM 0.22uF R318 1-249-425-11 CARBON 4.7K 1/4W F C355 1-137-371-11 FILM 0.015uF R319 1-249-441-11 CARBON 100K 1/4W C356...
  • Page 41 TAPE PREAMP RELAY Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C229 1-102-074-00 CERAMIC 0.001uF R235 1-249-429-11 CARBON 1/4W C235 1-126-233-11 ELECT 22uF R236 1-249-429-11 CARBON 1/4W C236 1-126-233-11 ELECT 22uF ! R237 1-212-966-00 FUSIBLE 1/2W F R245 1-249-429-11 CARBON 1/4W...
  • Page 42 TAPE PREAMP Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C713 1-124-443-00 ELECT 100uF < CONNECTOR > C714 1-104-665-11 ELECT 100uF * M701 1-564-709-11 PIN, CONNECTOR (SMALL TYPE) 7P C715 1-124-443-00 ELECT 100uF * M703 1-766-720-21 CONNECTOR, BOARD TO BOARD 17P C716 1-137-399-11 FILM 0.1uF...
  • Page 43 Ver 1.1 2001.06 TAPE PREAMP VOL/POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R763 1-249-437-11 CARBON 1/4W C510 1-126-943-11 ELECT 2200uF R765 1-249-437-11 CARBON 1/4W C511 1-126-951-11 ELECT 470uF R766 1-249-437-11 CARBON 1/4W C512 1-126-924-11 ELECT 330uF C513 1-126-924-11 ELECT...
  • Page 44 VOL/POWER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < JACK > R492 1-247-843-11 CARBON 3.3K 1/4W R493 1-249-437-11 CARBON 1/4W JK901 1-784-353-11 JACK (DIN)(SPEAKER L) R494 1-249-437-11 CARBON 1/4W JK902 1-784-353-11 JACK (DIN)(SPEAKER R) R495 1-249-425-11 CARBON 4.7K 1/4W F...
  • Page 45 HCD-ED1 Ref. No. Part No. Description Remark 1-769-069-11 WIRE (FLAT TYPE) (16 CORE) M101 X-4917-523-4 MOTOR ASSY (SPINDLE) M102 X-4917-504-1 MOTOR ASSY (SLED) M901 X-4949-564-1 MTR MAIN BLK ASSY (CAPSTAN/REEL) ! S501 1-771-308-11 SELECTOR, POWER (MY,SP,HK) ! T501 1-431-697-21 TRANSFORMER, POWER (AEP,UK,EE,CIS) ! T501 1-431-697-31 TRANSFORMER, POWER (US,CND) ! T501...

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