Sony MDR-IF4000 Service Manual
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Sony MDR-IF4000 Service Manual

Sony MDR-IF4000 Service Manual

Cordless stereo headphone
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Download this manual See also: Operating Instructions
SERVICE MANUAL
Ver. 1.1 2005. 02
• The MDR-IF4000 is the cordless stereo
headphones that comprises the MDR-
DS4000.
• MDR-DS4000 consists of the following models respectively.
Cordless stereo headphone
Digital surround processor
Sony Corporation
9-879-301-02
Personal Audio Company
2005B02-1
Published by Sony Engineering Corporation
© 2005.02
MDR-IF4000
MDR-IF4000
DP-IF4000

SPECIFICATIONS

General
Modulation System
DQPSK-IM
Secondary carrier wave frequency
3.75 MHz
Playback frequency range
10 – 22,000 Hz
Power requirements
Rechargeable nickel-metal hydride
batteries (supplied) or commercially
available (size AAA) alkaline batteries
Mass Approx. 300 g (11 oz) (including the
supplied rechargeable nickel-metal
hydride batteries)
Supplied accessories
Rechargeable nickel-metal hydride
batteries
BP-HP550 (550 mAh min.) (2)
Operating Instructions (1)
Design and specifications are subject to change without notice.
CORDLESS STEREO HEADPHONE
US Model
Canadian Model
AEP Model
E Model

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  • Page 1: Specifications

    SERVICE MANUAL Ver. 1.1 2005. 02 • The MDR-IF4000 is the cordless stereo headphones that comprises the MDR- DS4000. • MDR-DS4000 consists of the following models respectively. Cordless stereo headphone MDR-IF4000 Digital surround processor DP-IF4000 General Modulation System Secondary carrier wave frequency...

  • Page 2: Table Of Contents

    IC pins, etc. • Usable with ordinary solder It is best to use only unleaded solder but unleaded solder may also be added to ordinary solder. • Repaier DP-IF4000 with MDR-IF4000. TABLE OF CONTENTS Specifications ... 1 GENERAL ...

  • Page 3: General

    6 VOL (Volume) control Use to adjust the volume. 7 Ear pad (right) 8 POWER indicator By pulling up the self-adjusting band, the indicator lights red when battery power is sufficient. MDR-IF4000 This section is extracted from instruction manual.

  • Page 4: Disassembly

    MDR-IF4000 • This set can be disassembled in the order shown below. 2-1. DISASSEMBLY FLOW 2-2. FRONT PLATE (R) ASSY (Page 4) 2-3. RX BOARD (Page 5) 2-4. HANGER (R) (Page 5) 2-5. WIRING ON THE RIGHT SIDE (Page 6) Note: Follow the disassembly procedure in the numerical order given.

  • Page 5: Rx Board

    BATT board and driver (L-CH) natural 3 RX board to driver (R-CH) natural hanger lid (R) Pay attention to the leads when assembling. projection MDR-IF4000 cushion (B) to PD2 board to BATT board and driver (L-CH) natural 5 hanger (R)

  • Page 6: Wiring On The Right Side

    MDR-IF4000 2-5. WIRING ON THE RIGHT SIDE 2-6. FRONT PLATE (L) ASSY housing (L) assy 5 front plate (R) assy 3 screw (P 2.6x6) RD1 board (R-CH front) RD2 board (R-CH rear) 4 Removal the solder at 2 places. Note for installation : Solder the leads at the...

  • Page 7: Batt Board

    4 BATT board natural 2 two screws (P 2.6x6) hanger lid (L) Pay attention to the leads when assembling. projection MDR-IF4000 places shown below with attention to their colors. natural to RX board to SW board to driver (L-CH) 5 hanger (L)

  • Page 8: Wiring On The Left Side

    MDR-IF4000 2-9. WIRING ON THE LEFT SIDE RD2 board (L-CH front) RD1 board (L-CH rear) 2-10. HANGER LID (L) 1 screw (P2.6 x 6) 2 screw (P2.6 x 6) 3 head band hanger lid (L)

  • Page 9: Wiring On The Sw Board

    2-12. HOW TO HANG THE TENSION SPRING suspender assy housing (L) assy head band cushion (B) Note for installation : Insert the end of the hanger lid (L) tension spring suspender assy MDR-IF4000 suspender assy under the S701 on SW board. SW board S701...

  • Page 10: Diagrams

    MDR-IF4000 NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. For schematic diagrams. Note: • All capacitors are in µF unless otherwise noted. (p: pF) 50 WV or less are not indicated except for electrolytics and tantalums. • All resistors are in Ω and W or less unless otherwise specified.

  • Page 11: Block Diagrams

    3-2. BLOCK DIAGRAM D401-408 IC001 FRONTEND RECEIVER SID/ GCA/ MDR-IF4000 IC101 IC201 IR RECEIVER/DSP D/A CONVERTER SCKI VOUTL DAOUT/ ROUT ADIN DATA BCK/RCLK LRCK/RCS LRCK VOUTR Q101 MUTE DTVALID DRIVE XRST CONTROL 1 VOUT IC102 RESET IC501 +1.5V REGULATOR 5 VOUT +1.5V...

  • Page 12: Printed Wiring Board - Receiver Section

    MDR-IF4000 3-3. PRINTED WIRING BOARD – RECEIVER SECTION – RX BOARD ( SIDE A ) RV201 POWER 1-864-936- MDR-IF4000 : Uses unleaded solder. RX BOARD ( SIDE B ) ( GRN ) BATT BOARD ( Page 13 ) ( NAT )

  • Page 13: Printed Wiring Board - Power Section

    3-4. PRINTED WIRING BOARD – POWER SECTION – BATT BOARD S601 ( BATT DET ) BAT101 RECHARGEABLE BATTERY BP–HP550 1.2V 550mAh. 2PCS MDR-IF4000 : Uses unleaded solder. S602 ( BATT DET ) RX BOARD Suffix-11 ( Page 12 ) RX BOARD Suffix-12...

  • Page 14: Schematic Diagram - Receiver Section

    MDR-IF4000 3-5. SCHEMATIC DIAGRAM – RECEIVER SECTION – MDR-IF4000...

  • Page 15: Ic Block Diagrams

    IC101 CXD4017R SMCK VDDE ADVRH ADAVS ADAVD CONVERTER ADVRL DEMODULATOR ADVIN VDDE XRST DIFM0 DIFM1 DTSEL BUFFER ERROR OUTPUT CORRECTOR CLOCK SELECTOR MDR-IF4000 TEST4 TEST3 TEST2 TEST1 TEST0 OSCO CLOCK GENERATOR VDDE OSCI SCMODE SCLK XSCEN CONTROLLER SWDT SRDT CSOD...
  • Page 16 MDR-IF4000 IC001 CXA3668N-T4 BIAS CONV I/V AMP GNDMOS IC301, 302 NJM2113V-TE2 VOUT2 VREF – +VIN –VIN – VOUT1 COMP COMP fc = 4.5MHz 6MHz fc = 3MHz COMP CONT OUTPUT_AMP PREAMP...

  • Page 17: Exploded Views

    3-246-152-02 TERMINAL, CHARGE X-2024-574-1 PLATE (L) SUB ASSY, FRONT 3-246-153-13 PAD (L), EAR 3-253-143-01 SCREW (B2.6), (+)P TAPPING 3-254-070-11 SCREW 3-257-555-02 CUSHION (S/W) 3-252-068-01 CUSHION (B) SP002 1-542-593-11 DRIVER (040F020) MDR-IF4000 not supplied (SW board) not supplied (PD1 board) Description Remarks...

  • Page 18: Housing (R) Assy Section

    MDR-IF4000 4-2. HOUSING (R) ASSY SECTION not supplied (PD1 board) Ref. No. Part No. Description 3-246-154-13 PAD (R), EAR X-2024-575-1 PLATE (R) SUB ASSY, FRONT A-1083-890-A RX BOARD, COMPLETE 3-253-143-01 SCREW (B2.6), (+)P TAPPING 3-257-778-01 HOUSING (R) X-2024-573-1 CAP (R) ASSY, HOUSING...

  • Page 19: Electrical Parts List

    1-162-968-11 CERAMIC CHIP 1/10W C002 1-126-205-11 ELECT CHIP 1/10W C003 1-125-837-91 CERAMIC CHIP C004 1-107-826-11 CERAMIC CHIP MDR-IF4000 BATT When indicating parts by reference number, please include the board. Description Remarks < SWITCH > (BATT DET) PD1 BOARD (L-CH REAR) ********* <...
  • Page 20 MDR-IF4000 Ref. No. Part No. Description C005 1-124-779-00 ELECT CHIP 10uF C006 1-107-826-11 CERAMIC CHIP 0.1uF C007 1-107-826-11 CERAMIC CHIP 0.1uF C008 1-107-826-11 CERAMIC CHIP 0.1uF C009 1-124-778-00 ELECT CHIP 22uF C010 1-162-959-11 CERAMIC CHIP 330PF C011 1-162-969-11 CERAMIC CHIP 0.0068uF 10%...
  • Page 21 1-542-593-11 DRIVER (040F020) SP002 1-542-593-11 DRIVER (040F020) ************************************************************ ACCESSORIES *********** 1-756-316-32 BATTERY, NICKEL.HYDROGEN (BP-HP550) 2-345-751-11 MANUAL, INSTRUCTION (ENGLISH, KOREAN) Remarks 1/10W 1/10W 0.5% 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W 1/10W MDR-IF4000 RX-SW...
  • Page 22 MDR-IF4000 MEMO...
  • Page 23 MDR-IF4000 US Model Canadian Model SERVICE MANUAL AEP Model E Model Ver. 1.1 SUPPLEMENT - 1 File this Supplement with the Service Manual. Subject : SUFFIX CHANGE OF RX BOARD 9-879-301-81...
  • Page 24 MDR-IF4000 • CHANGE OF RX BOARD The RX board was changed into suffix-12. Printed wiring board and schematic diagram of new type, and changed parts list are described in this Supplement-1. Refer to original service manual (9-879-301-02) previously issued for the other information.
  • Page 25 PRINTED WIRING BOARD – RECEIVER SECTION – Suffix-12 RX BOARD ( SIDE A ) RV201 POWER MDR-IF4000 : Uses unleaded solder. RX BOARD ( SIDE B ) BATT BOARD ( Page 13 ) ( NAT ) ( RED ) C301...
  • Page 26 MDR-IF4000 SCHEMATIC DIAGRAM – RECEIVER SECTION – Suffix-12 MDR-IF4000...
  • Page 27 8-719-988-61 DIODE 1SS355TE-17 6.3V D104 8-719-988-61 DIODE 1SS355TE-17 D502 8-719-059-98 DIODE SLR-342VC3F (POWER) MDR-IF4000 RX: Suffix-12 The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. When indicating parts by reference number, please include the board.
  • Page 28 MDR-IF4000 RX: Suffix-12 Ref. No. Part No. Description < IC > IC001 8-753-208-23 IC CXA3668N-T4 IC101 8-752-425-06 IC CXD4017R IC102 6-707-193-01 IC BU4223G-TR IC201 6-707-192-01 IC PCM1773PWR IC301 8-759-347-33 IC NJM2113V-TE2 IC302 8-759-347-33 IC NJM2113V-TE2 IC501 6-701-851-01 IC XC62HR1502MR < COIL >...
  • Page 29 MDR-IF4000 MEMO...

  • Page 30: Revision History

    MDR-IF4000 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 2004.11 2005.02 Addition of US, Canadian and AEP models.

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