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Sony ICD-55 Service Manual
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Sony ICD-55 Service Manual

Sony ICD-55 Service Manual

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ICD-55
SERVICE MANUAL
US Model
Canadian Model
Ver 1.1 1999. 01
AEP Model
E Model
Tourist Model
SPECIFICATIONS
IC RECORDER
MICROFILM

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Summary of Contents for Sony ICD-55

  • Page 1 ICD-55 SERVICE MANUAL US Model Canadian Model Ver 1.1 1999. 01 AEP Model E Model Tourist Model SPECIFICATIONS IC RECORDER MICROFILM...

  • Page 2: Table Of Contents

    SECTION 1 SERVICING NOTES TABLE OF CONTENTS CAUTION ON REPLACING FLASH MEMORY The BAD-BLOCK check* must be executed, when the flash memory in this set was replaced. SERVICING NOTES ..........2 The set will not operation normally, unless this check is finished. GENERAL ..............

  • Page 3: General

    SECTION 2 This section is extracted from instruction manual. GENERAL – 3 –...

  • Page 4: Disassembly

    SECTION 3 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. LID, BATTERY CASE 2 boss 3 lid, battery case 2 boss CASE (FRONT)/(REAR) SECTION 1 screw (1.7 × 4.5) 2 claw 5 case (rear) section 3 Remove the two solders speaker lead (SP101).
  • Page 5 MAIN BOARD 1 two screws (M1.7 × 4) 2 bracket (jack) 3 Remove the MAIN board to direction of the arrow. INSTALLATION “MAIN BOARD”, “MICROPHONE, ELECTRIC CONDENSER” (MIC101) On installation MAIN board adjust the S711, S712 and knob (HOLD, MODE). microphone, electric condenser (MIC101) two leads...

  • Page 6: Block Diagram

    ICD-55 SECTION 4 DIAGRAMS 4-1. BLOCK DIAGRAM ADPCM SYSTEM CONTROLLER ADPCM IC101 (1/2) IC701 IC101 (2/2) RV101 AIN2 VFRO DECIMATION ADPCM ADPCM INTER- L.P.F. COMPRESSOR EXPANDER L.P.F. L.P.F. B.P.F. DSPIS DSPIR CONVERTER FILTER ENCODER DECODER POLATOR CONVERTER XPDRST DEN 21...

  • Page 7: Printed Wiring Board

    ICD-55 4-2. PRINTED WIRING BOARD • Semiconductor Location Ref. No. Location D101 D102 D501 D502 D503 D504 D701 IC101 IC102 IC103 IC104 IC501 IC502 IC503 IC504 IC505 IC701 IC702 IC703 IC705 IC706 Q103 Q104 Q105 Q106 Q107 Q108 Q109 Q150...

  • Page 8: Schematic Diagram

    ICD-55 4-3. SCHEMATIC DIAGRAM • • See page 14 for Waveforms. See page 15 for IC Block Diagrams. Note on Schematic Diagram: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.
  • Page 9 • Waveforms • IC Block Diagrams – MAIN Board – IC101 MSM7590L-01TS-K IC102 NJM2076M (TE2) IC703 RS5C348A-E2 1 IC101 @™ MCK, IC104 4 CLK OUT 6 IC701 &ª X2 (REC/PB mode) !¡ IC502 4 LX (REC/PB mode) (REC/PB mode) 1 V/DIV, 50 ns/DIV 1 V/DIV, 50 ns/DIV 1 V/DIV, 5 µs/DIV BASE A...

  • Page 10: 4-4. Ic Pin Function Description

    4-4. IC PIN FUNCTION DESCRIPTION • MAIN BOARD IC701 µPD78P0308GC (SYSTEM CONTROLLER) Pin No. Pin Name Function Key input terminal (A/D input) S701 to S705 (STOP, REC START/STOP, PLAY/STOP KEY0 (EXECUTE), – = (SELECT), + + (SELECT) ) keys input Key input terminal (A/D input) KEY1 S706 to S710 (FILE, MENU, PRIORITY, ERASE, INDEX) keys input...
  • Page 11 Pin No. Pin Name Function XBCK DSP bit clock signal output to the MSM7590L (IC101) RTCDI Serial data input from the RS5C348A (IC703) RTCDO Serial data and DSP register control data output to the RS5C348A (IC703) RTCCLK Serial data and DSP register control data transfer clock signal output to the RS5C348A (IC703) —...

  • Page 12: Exploded View

    SECTION 5 EXPLODED VIEW NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they may have some difference from the original are seldom required for routine service. Some one. delay should be anticipated when ordering •...

  • Page 13: Electrical Parts List

    SECTION 6 MAIN ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they When indicating parts by reference number, please include the board. are seldom required for routine service. parts list may be different from the parts speci- fied in the diagrams or the components used Some delay should be anticipated when order- on the set.
  • Page 14 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark IC701 8-759-572-62 IC uPD78P0308GC R123 1-216-821-11 METAL CHIP 1/16W R124 1-216-833-11 METAL CHIP 1/16W IC702 8-759-496-86 IC KM29V64000T R125 1-216-799-11 METAL CHIP 1/16W IC703 8-759-560-17 IC RS5C348A-E2 IC705 8-759-058-62 IC TC7S08FU (TE85R) R126...
  • Page 15 ICD-55 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark ACCESSORIES & PACKING MATERIALS R772 1-218-911-11 RES, CHIP 470K 0.5% 1/16W ******************************* R773 1-218-863-11 RES, CHIP 4.7K 0.5% 1/16W R774 1-218-871-11 RES, CHIP 0.5% 1/16W 3-865-520-01 MANUAL, INSTRUCTION (JAPANESE) (Tourist)