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Sony ICD-80 Service Manual
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Sony ICD-80 Service Manual

Sony ICD-80 Service Manual

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ICD-80
SERVICE MANUAL
US Model
Ver 1.0 1998. 07
SPECIFICATIONS
IC RECORDER
MICROFILM

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Summary of Contents for Sony ICD-80

  • Page 1 ICD-80 SERVICE MANUAL US Model Ver 1.0 1998. 07 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 SERVICING NOTES memory in this set was replaced..........2 The set will not operate 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. BATTERY CASE LID, MAIN BOARD Pull the battery case lid toward direction A , remove it. 1 battery case lid 2 tapping screw (B1.7) 6 switch unit 7 case block assy 5 two screws (M1.7 ×...

  • Page 5: Block Diagram

    ICD-80 SECTION 4 DIAGRAMS 4-1. BLOCK DIAGRAM • SIGNAL PATH MIC101 ADPCM : PLAY SYSTEM CONTROLLER ADPCM IC101 (1/2) IC701 IC101 (2/2) SP101 : REC (SPEAKER) RV101 AGC CIRCUIT POWER AIN1 GSX1 AIN2 VFRO ADPCM ADPCM INTER- TONE J101 L.P.F.
  • Page 6 • Waveforms – MAIN Board – 1 IC701 @¡ (XO) 1 V/DIV, 10 µs/DIV 2.5 Vp-p 32.768 kHz 2 IC701 @¢ (OSCO) 1 V/DIV, 50 ns/DIV 2.8 Vp-p 10.368 MHz 3 IC704 6 (Rec LP mode) 1 V/DIV, 50 ns/DIV 4 Vp-p 6.912 MHz 4 IC504 4 (LX) (Stop)
  • Page 7 • IC Block Diagrams – MAIN Board – IC101 MSM7560LGS-KDR1 AIN1 – GSX1 XSYNC AIN2 – ADPCM DECIMETER B.P.F. COMPRESSOR L.P.F. CONVERTER DECODER BCLKA GSX2 REFERENCE PCMSO VOLTAGE TIMING PCMSI GENERATOR BCLKB PCMRI AOUT+ PCMRO AOUT– ADPCM DECODER RSYNC INTER- VFRO L.P.F.
  • Page 8 IC106 SM5158AM-E2 16 BIT R COUNTER XOUT 16 BIT LATCH LOCK DETECTOR DATA 17 BIT SHIFT REGISTER PHASE CHARGE DETECTOR PUMP BUFFER 16 BIT LATCH FIN 8 16 BIT N COUNTER IC704 XC2141C21AMR IC107 TC7W74FU – 15 –...

  • Page 9: Ic Pin Function Description

    4-4. IC PIN FUNCTION DESCRIPTION • MAIN BOARD IC701 MN102L25DSD (SYSTEM CONTROLLER) Pin No. Pin Name Function PO PMUT Gain down muting on/off control signal output to the power amplifier (IC105) “H”: muting on PO LPCI Not used (open) POA PDN Power down control signal output to the MSM7560LGS (IC101) “L”: power down POA RES Reset signal output to the MSM7560LGS (IC101) “L”: reset...
  • Page 10 Pin No. Pin Name Function — Ground terminal POS DAT Serial data output to the 1296 divider (IC106) POS CLK Serial data transfer clock signal output to the 1296 divider (IC106) POS LE Serial data latch pulse output to the 1296 divider (IC106) PI CHK0 Not used (fixed at “L”) PI TEST...
  • Page 11 Pin No. Pin Name Function Two-way data bus with the flash memory (IC702) — Ground terminal POR CLE CLE control signal output to the flash memory (IC702) POR ALE ALE control signal output to the flash memory (IC702) POR WE Write enable signal output to the flash memory (IC702) POR RE Read enable signal output to the flash memory (IC702)

  • 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 SECTION 6 MAIN ELECTRICAL PARTS LIST NOTE: When indicating parts by reference • Due to standardization, replacements in the • Items marked “*” are not stocked since they number, please include the board. parts list may be different from the parts speci- are seldom required for routine service.
  • Page 14 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D701 8-719-421-27 DIODE MA728 Q701 8-729-037-74 TRANSISTOR UN9213J-(TX).SO Q702 8-729-420-24 TRANSISTOR 2SB1218A-QRS < FERRITE BEAD > Q703 8-729-037-63 TRANSISTOR UN9115J-(TX).SO FB101 1-414-235-11 INDUCTOR CHIP 0uH Q704 8-729-426-25 TRANSISTOR XP1212 FB102 1-414-235-11 INDUCTOR CHIP 0uH Q705...
  • Page 15 ICD-80 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < VARIABLE RESISTOR > R511 1-216-821-11 METAL CHIP 1/16W R512 1-216-833-11 METAL CHIP 1/16W RV101 1-225-500-11 RES, VAR, CARBON 10K/10K (VOL) R513 1-216-845-11 METAL CHIP 100K...