Sony HCD-BX5 Service Manual
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HCD-BX5/DX5/DX5J
HCD-BX5/DX5/DX5J
SERVICE MANUAL
SERVICE MANUAL
Ver 1.1 2002.07
Ver 1.1 2002.07
• • HCD-
HCD-BX5/D
BX5/DX5/DX
X5/DX5J ar
5J are the
e the tuner
deck, CD and amplifier section in
deck, CD and amplifier section in
MHC-BX5/DX5/DX5J.
MHC-BX5/DX5/DX5J.
tuner, ,
Photo: HCD-BX5
Photo: HCD-BX5
C C D D
S S e e c c t t i i o o n n
T T ap
ape d
S S e e c c t t i i o o n n
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t Me e c c h h a a n n i i s s m T
US Model 
US Model 
Canadian Model 
Canadian Model 
AEP Model 
AEP Model 
UK Model 
UK Model 
HCD-BX5 
HCD-BX5 
E Model 
E Model 
Australian Model 
Australian Model 
HCD-DX5/DX5J 
HCD-DX5/DX5J 
imil ilar M
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C C D D M M 5 5 8 8 - - K K 2 2 B B D D 3 3 8 8
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Summary of Contents for Sony HCD-BX5

  • Page 1 5J are the e the tuner tuner, , deck, CD and amplifier section in deck, CD and amplifier section in MHC-BX5/DX5/DX5J. MHC-BX5/DX5/DX5J. Photo: HCD-BX5 Photo: HCD-BX5 Mode del Na l Name U me Usi sing S ng Sim imil ilar M...
  • Page 2: Safety Check-Out

    4 4 0 0 – – 13 13,0 ,000 00 Hz Hz ( ( 3 dB), using Sony TYPE I 3 dB), using Sony TYPE I cassette cassette Tuner section...
  • Page 3: Notes On Handling The Optical Pick-Up Block Or Base Unit

    TABLE OF CONTENTS TABLE OF CONTENTS NOTES ON HANDLING THE OPTICAL PICK-UP NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK OR BASE UNIT BLOCK OR BASE UNIT 1. 1. SE SER R VI VICE CE NO NOTE ······························································· ······························································· 4 4 2.
  • Page 4: Section 1 Service Note

    SECTION 1 SERVICE NOTE Note for installing the panel board  2 Panel board  Hot melt  Screw hole  1 Cut the eleven melted-connection points with a cutting plier. Attach the panel board with six screws (  + BVTP 2.6 8  ) ×...
  • Page 5: Section 2 General

    SECTION 2 GENERAL 2 3 4 Photo: HCD-BX5 DISC SKIP EX-CHANGE button V-GROOVE button and indicator DISC 1 button and indicator CURSOL button and indicator DISC 2 button and indicator GROOVE button DISC 3 button and indicator EQ EDIT button  OPEN/CLOSE button...
  • Page 6 This section is extracted from instruction manual.       1        ?      /      E        e        E        e   ”     e        t   “       i     p         o         T       N       1       2       3   º        1         2         6  ...
  • Page 8: Upper Case (Top)

    SECTION 3 DISASSEMBY Note : Follow the disassembly procedure in the numerical order given. 9 Two screws (+BVTP 3  × 10)  Upper case (Top)  3-1. UPPER CASE (TOP) 5 Two screws (Case)  7 Two screws  ×  10)  (+BVTP 3 Side panel R  Side panel L 6 Screw (Case) ...
  • Page 10 [MC Test Mode] • This mode is used to check operations of the respective sections of Amplifier, Tuner, CD and Tape. Procedure: Press the   /  button to turn on the set. P r es s t h e t h re e b ut to n s o f  ...
  • Page 11 [Aging Mode] This mode can be used for operation check of CD section and tape deck section. • If an error occurred: The aging operation stops and display status. • If no error occurs: The aging operation continues repeatedly. 1. Operating method of Aging Mode Turn on the main power and select “CD”...
  • Page 12 2) Operation during aging mode In the aging mode, the program is executed in the following sequence. (1) The disc tray opens and closes. (2) The mechanism accesses DISC 2 and makes an attempt to read TOC. However, since there are no discs, a message “CD2 NO DISC”...
  • Page 13: Section 5 Mechanical Adjustments

    SECTION 5 SECTION 6 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS Precaution DECK SECTION 0 dB=0.775 V 1. Clean the following parts with a denatured alcohol-moistened swab: 1. Demagnetize the record/playback head with a head record/playback heads pinch rollers demagnetizer. erase head rubber belts 2.
  • Page 14 HCD-BX5/DX5/DX5J HCD-BX5/DX5/DX5J 7-4. 7-4. SCHEMATIC SCHEMATIC DIAGRAM DIAGRAM BD SECTION SECTION • See page page 21 for Wavefoms. • See page page 21 for Wavefoms. • See page page 42 for IC Block Diagrams. • See page page 42 for IC Block Diagrams.
  • Page 15 HCD-BX5/DX5/DX5J HCD-BX5/DX5/DX5J 7-5. 7-5. PRINTED PRINTED WIRING WIRING BOARD BOARD MAIN MAIN SECTION SECTION • See page page 21 for Circuit Boards Location. • See page page 21 for Circuit Boards Location. • • Semicon Semiconductor ductor Location Location Ref. No .
  • Page 16 HCD-BX5/DX5/DX5J HCD-BX5/DX5/DX5J 7-6. 7-6. SCHEMATIC SCHEMATIC DIAGRAM DIAGRAM MAIN MAIN SECTION SECTION (1/3) (1/3) • See page page 44 for IC Block Diagrams. • See page page 44 for IC Block Diagrams. (Page 29) (Page 29)
  • Page 17 HCD-BX5/DX5/DX5J 7-7. SCHEMATIC DIAGRAM MAIN SECTION (2/3) • See page page 21 for Wavefoms. • See page page 40 for IC Pin Function Description. • See page page 44 for IC Block Diagrams. (Page29) (Page29)   (Page29) (Page29) (Page29) (Page35)
  • Page 18 HCD-BX5/DX5/DX5J 7-8. SCHEMATIC DIAGRAM MAIN SECTION (3/3) • See page page 44 for IC Block Diagrams. (Page 27) (Page 31) (Page 31) (Page 25) (Page 25) (Page 28) (Page 28) (Page 28) (Page 33)
  • Page 19 HCD-BX5/DX5/DX5J 7-9. PRINTED WIRING BOARD POWER AMP SECTION • See page page 21 for Circuit Boards Location. • Semiconductor Location Ref. No. Location D501 D502 D541 D551 D581 D941 D979 I C5 01 A -6 Q501 Q503 Q504 Q505 Q506...
  • Page 20: Section 8 Exploded Views

    SECTION 8 EXPLODED VIEWS NOTE: • -XX, -X mean standardized parts, so they may • Abbreviation : Mexican model have some differences from the original one. : Canadian model : Argentina model • Items marked “*” are not stocked since they : Australian model are seldom required for routine service.
  • Page 21: Panel Section

    8-2. PANEL SECTION * For service only  (Be sure to refer to "Service note" on page 4.)  * 67 FL601 Tape mechanism deck ...
  • Page 22: Main Board Section

    8-3. MAIN BOARD SECTION #6  AR  T972  US, CND  #3  #3  #6  AUS  KR  not supplied  UK,G  E,MX,TH  #4  EA,MY,SP,TW  CIS,AED,AEP,EA,MY,SP,TW  not supplied ...
  • Page 24: Tape Mechanism Deck Section

    8-4. TAPE MECHANISM DECK SECTION   Two different types of tape mechanism are used depending on models. Note:  They maintain compatibility as an entire mechanism even though  there are some different parts are used.
  • Page 25: Cd Mechanism Deck Section

    Ver 1.1 2002.07 8-5. CD MECHANISM DECK SECTION not supplied ...
  • Page 27 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C111 1-163-018-00 CERAMIC CHIP 0.0056uF 5% C301 1-126-960-11 ELECT 20.00% 50V C112 1-126-961-11 ELECT 2.2uF 20.00% 50V C302 1-130-479-00 MYLAR 0.0047uF 5% C113 1-126-961-11 ELECT 2.2uF 20.00% 50V C303 1-136-165-00 MYLAR 0.1uF...
  • Page 28 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C371 1-163-131-00 CERAMIC CHIP 390PF C625 1-163-125-00 CERAMIC CHIP 220PF C372 1-163-117-00 CERAMIC CHIP 100PF (CND,US,AR,AUS,E,EA,KR,MX,MY,SP,TH,TW) C373 1-136-157-00 MYLAR 0.022uF 5.00% 50V C625 1-163-137-00 CERAMIC CHIP 680PF C374 1-126-964-11 ELECT 10uF...
  • Page 29 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C689 1-163-135-00 CERAMIC CHIP 560PF < FILTER > (AED,AEP,CIS,G,UK) C690 1-126-961-11 ELECT 2.2uF 20.00% 50V CF601 1-760-023-11 FILTER, CERAMIC (AED,AEP,CIS,G,UK) (CND,US,AR,AUS,E,EA,KR,MX,MY,SP,TH,TW) C691 1-163-031-11 CERAMIC CHIP 0.01uF CF601 1-579-185-21 FILTER, CERAMIC (AED,AEP,CIS,G,UK) (AED,AEP,CIS,G,UK) CF602...
  • Page 30: Power Amp

    POWER AMP SUB-TRANS Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < DIODE > R553 1-249-414-11 CARBON 1/4W F R554 1-249-438-11 CARBON 1/4W D501 8-719-911-19 DIODE 1SS133T-72 R555 1-249-417-11 CARBON 1/4W F D502 8-719-911-19 DIODE 1SS133T-72 R556 1-249-431-11 CARBON 1/4W...
  • Page 32 Ver 1.1 2002.07 SUB-TRANS TRANS Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < RESISTOR > MISCELLANEOUS ************** R974 1-249-441-11 CARBON 100K 1/4W R975 1-249-429-11 CARBON 1/4W M961 1-763-072-11 FAN, D.C. (AR,AUS,E,EA,KR,MX,MY,SP,TH,TW) 1-773-045-11 WIRE (FLAT TYPE) (17 CORE) <...
  • Page 34: Revision History

    HCD-BX5/DX5/DX5J 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 revised page. Ver. Date Description of Revision 2000.01...

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