Sony ICD-57 Service Manual
Sony ICD-57 Service Manual

Sony ICD-57 Service Manual

Ic recorder
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SERVICE MANUAL
Ver 1.0 2000. 03
SPECIFICATIONS
Recording media
Built-in flash memory, Monaural recording
Recording time
ICD-37: 45 minutes
ICD-57: 90 minutes
ICD-67: 180 minutes
Frequency response
280 Hz - 2 800 Hz
Speaker
approx. 3.6 cm (1
Power output
80 mW
Earphone jack (mini jack) for 8 - 300 Ω earphone
Output
Playback speed control
FAST: +50%
SLOW: –25%
Power requirements
One LR03 (size AAA) alkaline battery: 1.5 V DC
Dimensions (w/h/d) (not incl. projecting parts and controls)
58.0 × 83.5 × 14.2 mm (2
Mass (incl. battery)
ICD-37: 56 g (1.98 oz)
ICD-57/67: 57 g (2.01 oz)
LR03 (size AAA) alkaline battery × 1
Supplied accessories
(tourist model and ICD-57/67 for U.S.A. only)
Handstrap (attached to the unit) × 1
(ICD-57/67 only)
Design and specifications are subject to change without notice.
ICD-37/57/67
Photo: ICD-37
7
in.) dia.
16
× 3
×
3
3
9
in.)
8
8
16
Features
• 45 minutes (ICD-37)/90 minutes (ICD-57)/180 minutes (ICD-67)
recording time
This unit is useful for recording messages or appointments.
• Organizing message files
You can choose among 3 different files to record and store your
messages.
You can easily move messages from one file to another (see page 18).
Up to 99 messages can be recorded in each file.
• Alarm function
You can start playing back a desired message with an alarm on a desired
date and time (see page 21). You can use this function to remind you of
the time of the meeting, etc.
• Playback speed control
You can play back messages rapidly (+50%) or slowly (–25%) (see page
19). This is useful when playing back a long recording. The sound pitch
will be automatically adjusted when you change the playback speed.
• Adding a recording to previously recorded message
You can add a recording to the message being played back to count as
one message (see page 20).
US Model
Canadian Model
AEP Model
E Model
ICD-37/57/67
Tourist Model
ICD-57/67
IC RECORDER

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Summary of Contents for Sony ICD-57

  • Page 1 Built-in flash memory, Monaural recording Features Recording time ICD-37: 45 minutes ICD-57: 90 minutes ICD-67: 180 minutes • 45 minutes (ICD-37)/90 minutes (ICD-57)/180 minutes (ICD-67) Frequency response 280 Hz - 2 800 Hz recording time Speaker approx. 3.6 cm (1 ⁄...
  • Page 2: Table Of Contents

    2. Once the power is supplied, the check starts and then proceeds 5-2. Printed Wiring Board ............9 for approx. 25 (ICD-37)/45 (ICD-57)/87 (ICD-67) seconds. 5-3. Schematic Diagram ............11 (Be sure to keep applying the power and pin yj or TP13 (green)/ 5-4.
  • Page 3: General

    Menu indication (8, 21, 26 - 6 STOP button (11) qh Hand strap (supplied to 28, 34) (ALARM, etc.) 7 HOLD switch (25) ICD-57/67 only) Messages (ERASE, SCAN, 8 PLAY SPEED selector (19) etc.) Step 2: Setting the Clock Clock setting display appears when you insert battery for the first time, or when you insert battery after the unit has been without battery for a Set the time.
  • Page 4: Disassembly

    SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. Lid, Battery Case Case (Front) Section Case (Rear) Section Main Board Note: Follow the disassembly procedure in the numerical order given. LID, BATTERY CASE 2 boss 3 lid, battery case 2 boss CASE (FRONT) SECTION, CASE (REAR) SECTION...
  • 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) Note: On installation MAIN board adjust the S711, S712 and knob (HOLD, MODE). microphone, electric condenser (MIC101) two leads...
  • Page 6: Test Mode

    SECTION 4 TEST MODE [Setting Method of Test mode] 1. Audio test • A howling occurs with “5P DSP LOOP” displayed on the LCD, Short TP701 (TEST) on the MAIN board with a solder bridge [REC START/STOP] if the key is pressed. (connect pin yf of IC701 to the ground).
  • Page 7: Diagrams

    SOCOUT SCLK RTCCLK LED DRIVE RTCCE Q506 (1/2) (PLAY) 32KOUT INTR RTCINT FLASH MEMORY 16BIT: ICD-37 LEDPB 32BIT: ICD-57 64BIT: ICD-67 LED DRIVE LEDREC IC702 Q506 (2/2) (REC) X702 DSPMCK CLKIN 5MHz I/O0 – I/O7 BATT B+ 18 – 21, 24 – 27...
  • Page 8: Printed Wiring Board

    ICD-37/57/67 5-2. PRINTED WIRING BOARD • Semiconductor Location Ref. No. Location D501 D502 D504 D701 IC101 IC102 IC103 IC104 IC106 IC107 IC501 IC502 IC503 IC504 IC505 IC506 IC701 IC702 IC703 Q103 Q105 Q106 Q107 Q108 Q109 Q111 Q502 Q506 Q507 Q508 Q701 Q702...
  • Page 9: Schematic Diagram

    ICD-37/57/67 5-3. 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 10 • Waveforms • IC Block Diagrams IC501 XC6372C331PR IC503, 506 XC62GR3312MR IC502 XC6372D351PR IC101 MC145481SDR2 1 IC101 7 (FSR), qf (FST) 5 IC701 ul (X2) 9 IC501 4 (LX) IC104 rd (SLDA) 2 V/DIV, 100 ns/DIV 1 V/DIV, 5 µs/DIV 1 V/DIV, 50 µs/DIV VOUT SLOW...
  • Page 11: 5-4. Ic Pin Function Description

    5-4. IC PIN FUNCTION DESCRIPTION • IC104 1609J--VA11H-DB (DIGITAL SIGNAL PROCESSOR) Pin No. Pin Name Description — Power supply terminal (+3.3V) Interrupt output terminal of ready/busy detection signal to the system controller (IC701) “L”: ready, “H”: busy SLDB Not used (open) OSCBYP Not used (fixed at “H”) INTB...
  • Page 12 • IC701 (SYSTEM CONTROLLER) µPD780308GC-A30-8EU (ICD-37) µPD780308GC-A31-8EU (ICD-57/67) Pin No. Pin Name Description Key input terminal (A/D input) S701 to S705 (STOP, REC START/STOP, Nx PLAY/STOP KEY0 (EXECUTE), – . (SELECT), > + (SELECT) ) keys input KEY1 Key input terminal (A/D input) S707 to S709 (MENU, FILE, ERASE) keys input...
  • Page 13 Pin No. Pin Name Description DSPSI Recording serial data input from the digital signal processor (IC104) “H” active DSPSO Playback serial data output to the digital signal processor (IC104) “H” active DSPSCK Serial clock signal output to the digital signal processor (IC104) “H” active RTCDI Serial data input from the real time clock (IC703) “H”...
  • Page 14: Exploded View

    Description Remark 4-214-309-41 LID, BATTERY CASE (ICD-37) X-3378-953-1 CASE (FRONT) SUB ASSY (ICD-37) 4-214-309-51 LID, BATTERY CASE (ICD-57) X-3378-954-1 CASE (FRONT) SUB ASSY (ICD-57) 4-214-309-61 LID, BATTERY CASE (ICD-67) X-3378-955-1 CASE (FRONT) SUB ASSY (ICD-67) 3-375-114-81 SCREW 4-214-297-01 BRACKET (JACK) 3-912-036-21 KNOB (MODE) (ICD-57) 3-375-114-01 SCREW (M1.7X4)
  • Page 15: Electrical Parts List

    Part No. Description Remark A-3323-520-A MAIN BOARD, COMPLETE (ICD-67) C507 1-125-817-11 CERAMIC CHIP 10uF 6.3V A-3323-521-A MAIN BOARD, COMPLETE (ICD-37) A-3323-522-A MAIN BOARD, COMPLETE (ICD-57) C508 1-110-569-11 TANTALUM CHIP 47uF 6.3V C510 1-104-851-11 TANTALUM CHIP 10uF ********************* C511 1-164-360-11 CERAMIC CHIP 0.1uF...
  • Page 16 1-216-841-11 METAL CHIP 1/16W R153 1-216-841-11 METAL CHIP 1/16W IC702 8-759-641-58 IC KM29W16000AT-T (ICD-37) R154 1-216-841-11 METAL CHIP 1/16W IC702 8-759-668-55 IC KM29W32000AT-T (ICD-57) R155 1-216-833-11 RES, CHIP 1/16W IC703 8-759-560-17 IC RS5C348A-E2 R156 1-216-841-11 METAL CHIP 1/16W < JACK > R157 1-216-827-11 METAL CHIP 3.3K...
  • Page 17 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < SWITCH > S701 1-771-274-11 SWITCH, TACTILE (STOP) S702 1-771-274-11 SWITCH, TACTILE (REC START/STOP) S703 1-771-585-11 SWITCH, TACTILE (Nx PLAY/STOP (EXECUTE)) S704 1-692-088-11 SWITCH, TACTILE (- . m (SELECT)) S705 1-771-585-11 SWITCH, TACTILE (>...
  • Page 18 ICD-37/57/67 Sony Corporation 2000C0573-1 9-927-685-11 Personal Audio Division Company Printed in Japan C 2000. 3 – 24 – Published by General Engineering Dept.

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Icd-37Icd-67

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