Sony STR-W55 Service Manual
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Sony STR-W55 Service Manual

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STR-W55
SERVICE MANUAL
AEP Model
UK Model
STR-W55 is RECEIVER section in
MHC-W55.
FM STEREO/FM-AM RECEIVER
MICROFILM

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Summary of Contents for Sony STR-W55

  • Page 1: Specifications

    STR-W55 SERVICE MANUAL AEP Model UK Model STR-W55 is RECEIVER section in MHC-W55. FM STEREO/FM-AM RECEIVER MICROFILM...

  • Page 2: Table Of Contents

    COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

  • Page 3: General

    SECTION 1 This section is extracted from GENERAL instruction manual. – 3 –...

  • Page 4: Test Mode

    SECTION 2 TEST MODE DISPLAY / KEY TEST MODE Press the ENTER/NEXT and FUNCTION buttons simultaneously. Then press the MENU 1 button with the following 4 seconds to set the Test Mode. 1. The message “W1 J (destination) ” appears on the screen and a 32 cycle square wave of the subcrystal oscillator is output from Pin 24 (AUB.

  • Page 5: Electrical Adjustments

    SECTION 3 ELECTRICAL ADJUSTMENTS Precautions in Repairing Adjustment Location : The adjustment should be performed in the publication. Note. 1 : (AM nFM) Note. 2 : As a front-end (FE1) is difficult to repair if faulty, replace it [ TCB BOARD ] – Component side – with new one.

  • Page 6: Explanation Of Ic Terminals

    SECTION 4 EXPLANATION OF IC TERMINALS IC501 1 ASD0204GF-011-3BA (SYSTEM CONTOROL) Pin No. Pin name Description – Power supply. CLK OUT Direct output for communications with HCD-W55. RDY IN Direct input / output for communications with HCD-W55. POWER ON / OFF L : Relay ON MUTE Mute output to transistor.
  • Page 7 Pin No. Pin name Description RDS DATA Not uset. System control data signal input / output. System control data signal input / output. System control data signal input / output. System control data signal input / output. – Power supply +5V. SIRCS IN SIRCS signal input.
  • Page 8 – 8 –...

  • Page 15: Exploded Views

    SECTION 6 EXPLODED VIEWS NOTE : The components identified by mark The mechanical parts with no reference num- -XX, -X mean standardized parts, so they may ! or dotted line with mark ! are criti- ber in the exploded views are not supplied. have some difference from the original one.
  • Page 16 X-4946-749-1 PANEL ASSY, FRONT * 58 A-4389-337-A PANEL BOARD, COMPLETE (UK) * 55 4-932-810-01 CUSHION (FL) * 59 4-978-036-04 HOUSE, LAMP * 56 4-971-014-01 HOLDER, FL TUBE 4-962-708-01 EMBLEM (4-A), SONY 4-951-620-01 SCREW (2.6X8), +BVTP FL501 1-517-483-11 INDICATOR TUBE, FLUORESCENT – 27 –...
  • Page 17 SECTION 7 MAIN ELECTRICAL PARTS LIST NOTE : SEMICONDUCTORS Due to standardization, replacements in the In each case, u : µ , for example : The components identified by mark parts list may be different from the parts speci- uA..: µ A.., uPA..: µ PA..! or dotted line with mark ! are criti- fied in the diagrams or the components used on uPB..

  • Page 18: Schematic Diagram - Panel Section

    MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– C831 1-124-636-00 ELECT 3300uF 20% 25V D814 8-719-200-02 DIODE 10E2 C832 1-124-636-00 ELECT 3300uF 20% 25V D821 8-719-987-63 DIODE 1N4148M C852 1-104-666-11...
  • Page 19 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– Q802 8-729-018-60 TRANSISTOR 2SD2012-LC R172 1-249-429-11 CARBON 1/4W Q804 8-729-209-15 TRANSISTOR 2SD2012 R173 1-249-429-11 CARBON 1/4W Q805 8-729-018-59 TRANSISTOR 2SB1375-LC R174 1-249-437-11...
  • Page 20 JOG ENCODER MAIN PANEL VOL ENCODER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– ! R810 1-212-934-00 FUSIBLE 1/2W F < VIBRATOR > ! R811 1-212-853-00 FUSIBLE 1/4W F X7001 1-579-900-21 VIBRATOR, CRYSTAL (4.332MHz)

  • Page 21: Printed Wiring Boards - Panel Section

    JOG ENCODER PANEL VOL ENCODER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– D510 8-719-046-39 SEL5821A-TH15 (º / ‚) < IC > D511 8-719-046-39 SEL5821A-TH15 (º / ‚) D512 8-719-046-39 SEL5821A-TH15 (+/-)
  • Page 22 JOG ENCODER PANEL VOL ENCODER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– JR563 1-216-295-91 METAL CHIP 1/10W < RESISTOR > JR564 1-216-295-91 METAL CHIP 1/10W JR565 1-216-296-91 METAL CHIP 1/8W R501...

  • Page 23: Schematic Diagram - Tcb Section

    JOG ENCODER PANEL VOL ENCODER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– R560 1-216-170-00 METAL GLAZE 1/8W R5028 1-249-441-11 CARBON 100K 1/4W R561 1-216-170-00 METAL GLAZE 1/8W R5029 1-249-441-11 CARBON...

  • Page 24: A-4389-341-A Power Amplifier Board

    JOG ENCODER POWER AMPLIFIER PANEL VOL ENCODER SURROUND Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– S529 1-572-184-11 SWITCH, KEYBOARD (REPEAT TIMER SELECT) < RESISTOR > S530 1-572-184-11 SWITCH, KEYBOARD (PLAY MODE TIMER SET) S531 1-572-184-11...

  • Page 25: Printed Wiring Boards - Tcb Section

    SURROUND Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– < TERMINAL > 1-126-964-11 ELECT 10uF 20% 50V 1-126-964-11 ELECT 10uF 20% 50V TB902 1-537-240-31 TERMINAL BOARD (CHECKER PIN) (SURROUND 1-126-157-11 ELECT 10uF...

  • Page 26: Chassis Section

    Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– 1-216-295-91 METAL CHIP 1/10W 1-216-037-00 METAL CHIP 1/10W (German,Italian) 1-216-037-00 METAL CHIP 1/10W 1-216-295-91 METAL CHIP 1/10W 1-216-081-00 METAL CHIP 1/10W 1-216-295-91 METAL CHIP...

  • Page 27: Front Panel Section

    STR-W55 TRANSFORMER A TRANSFORMER B Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ––––––– ––––––– –––––––––– ––––––– ––––––– ––––––– –––––––––– –––––– < VARIABLE RESISTOR > ! T801 1-429-258-11 TRANSFORMER, POWER (EXCEPT UK) ! T801 1-429-643-11 TRANSFORMER, POWER (UK)

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