Sony ICD-U50 Service Manual
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Sony ICD-U50 Service Manual

Sony ICD-U50 Service Manual

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ICD-U50/U60/U70
SERVICE MANUAL
Ver. 1.5 2007.03
Recording media
Built-in fl ash memory 256 MB (ICD-U50)
512 MB (ICD-U60), 1GB (ICD-U70), Monaural
recording
Recording time
ICD-U50
ICD-U60
ICD-U70
Frequency range
HQ:
160 - 6,800 Hz
SP:
100 - 3,400 Hz
LP:
100 - 3,400 Hz
MP3: 20 - 20,000 HZ
Bit rates for MP3 fi les (kbps)
MPEG Ver. 1 Layer 3:
32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192,
224, 256, 320
MPEG Ver. 2 Layer 3/MPEG Ver. 2.5 Layer 3:
8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128,
144, 160
Sampling frequencies for MP3 fi les (kHz)
MPEG Ver. 1 Layer 3:
32.0, 44.1, 48.0
MPEG Ver. 2 Layer 3:
16.0, 22.05, 24.0
MPEG Ver. 2.5 Layer 3:
8.0, 11.025, 12.0
Sony Corporation
9-887-170-06
Personal Audio Division
2007C16-1
Published by Sony Techno Create Corporation
© 2007.03
Photo : ICD-U70 (NAVY)
SPECIFICATIONS
HQ: 28 hours 40 minutes
SP: 76 hours 30 minutes
LP: 125 hours 15 minutes
HQ: 57 hours 30 minutes
SP: 153 hours 25 minutes
LP: 251 hours 5 minutes
HQ: 115 hours 10 minutes
SP: 307 hours 15 minutes
LP: 502 hours 45 minutes
Canadian Model
Speaker
13
approx. 10 mm (
/
in.) dia.
32
Power output
35 mW (when using a built-in speaker)
Output
Headphone jack (stereo minijack) for 8 - 300
ohms headphone(s)/ear receiver
Input/Output
USB connector
Power requirements
One LR03 (size AAA) alkaline battery: 1.5 V DC
Dimensions (w/h/d)
(not incl. projecting parts and controls)
30.0 × 99.7 × 20.0 mm (1
3
Mass (incl. battery)
64 g (2.3 oz)
Supplied accessories
Stereo headphone (1)
LR03 (size AAA) alkaline battery (1)
Operating instructions (1)
Neck strap (1)
CD-ROM (1)
MPEG Layer-3 audio coding technology and patents
licensed from Fraunhofer IIS and Thomson.
Design and specifi cations are subject to change without
notice.
US Model
ICD-U50/U60/U70
ICD-U70
AEP Model
ICD-U60/U70
UK Model
ICD-U60/U70
E Model
Chinese Model
ICD-U50/U60/U70
Tourist Model
ICD-U60
× 4 ×
13
/
/
in.)
16
16
IC RECORDER

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Summary of Contents for Sony ICD-U50

  • Page 1 Tourist Model Photo : ICD-U70 (NAVY) ICD-U60 SPECIFICATIONS Recording media Speaker Built-in fl ash memory 256 MB (ICD-U50) approx. 10 mm ( in.) dia. 512 MB (ICD-U60), 1GB (ICD-U70), Monaural Power output recording 35 mW (when using a built-in speaker)

  • Page 2: Table Of Contents

    ICD-U50/U60/U70 TABLE OF CONTENTS Flexible Circuit Board Repairing • Keep the temperature of the soldering iron around 270 °C during repairing. GENERAL ..............3 • Do not touch the soldering iron on the same conductor of the circuit board (within 3 times).

  • Page 3: General

    ICD-U50/U60/U70 SECTION 1 GENERAL This section is extracted from instruction manual. Index to Parts and Controls Main Unit Front Rear (headphone) jack * Neck strap holder * Built-in (repeat) button microphone OPR (operation) indicator Control key * REC (record)/ PAUSE button...

  • Page 4: Disassembly

    ICD-U50/U60/U70 SECTION 2 DISASSEMBLY Note: Disassemble the unit in the order as shown below. 2-1. DISASSEMBLY FLOW 2-2. CAP ASSY, FRONT ASSY (Page 4) 2-3. MAIN BOARD, KNOB(JOG) (Page 5) 2-4. SPEAKER (1.0cm) (SP901) BATTERY LID, CABINET (REAR) ASSY (Page 6) 2-5.

  • Page 5: Main Board, Knob (Jog)

    ICD-U50/U60/U70 2-3. MAIN BOARD, KNOB (JOG) 2 Remove the five soldering points. 3 three tapping screws (M1.4 × 8 ) 4 tapping screw (M1.4 × 3 ) 1 Remove the two soldering points. 8 knob (JOG) 9 MAIN board 7 board to board...

  • Page 6: Speaker (1.0Cm) (Sp901), Battery Lid, Cabinet (Rear) Assy

    ICD-U50/U60/U70 2-4. SPEAKER (1.0cm) (SP901), BATTERY LID, CABINET (REAR) ASSY 1 Remove the two soldering points. cabinet rear 8 window (LED) 3 tapping screw (M1.4 × 3 ) 4 holder (speaker) 9 battery terminal (+) 5 insulating sheet (XTAL) 6 speaker (1.0cm) (SP901)

  • Page 7: Usb Board, Usb Connector

    ICD-U50/U60/U70 2-5. USB BOARD, USB CONNECTOR 1 tapping screw (M1.4 × 3 ) 4 Remove the two soldering points. 5 USB board 6 spacer (USB) 2 cover (USB) 7 USB connector 3 holder (USB)

  • Page 8: Jack Board, Electret Condenser Microphone (Mic901)

    ICD-U50/U60/U70 2-6. JACK BOARD, ELECTRET CONDENSER MICROPHONE (MIC901) 2 Remove the jack. 3 dowel 1 Remove the mic unit. 6 electret condenser microphone (MIC901) 5 holder (mic) 7 JACK board 4 Remove the two soldering points.

  • Page 9: Button (Rs), Knob (Hold), Knob (Dpc)

    ICD-U50/U60/U70 2-7. BUTTON (RS), KNOB (HOLD), KNOB (DPC) 1 button (RS) 2 knob (hold) 3 knob (DPC) 4 two sheets (hold) 5 two sheets (DPC) 6 guard...

  • Page 10: Test Mode

    ICD-U50/U60/U70 SECTION 3 TEST MODE [How to enter the test mode] To enter the test mode, turn ON the > HOLD switch and while pressing the STOP key and the VOL– key at the same time, power on (set a dry battery).
  • Page 11 ICD-U50/U60/U70 [How to operate the test mode] 1. [Model and version number] screen 1. This screen appears when the unit enters the test mode. This screen shows the model name and the system controller version number. 2. Press the > key to move to the next item (LCD display check).

  • Page 12: Diagrams

    ICD-U50/U60/U70 SECTION 4 DIAGRAMS Note on Schematic Diagrams: Note on Printed Wiring Boards: • All capacitors are in µF unless otherwise noted. (p: pF) 50 WV or • Y : parts extracted from the conductor side. less are not indicated except for electrolytics and tantalums.

  • Page 13: Block Diagram

    ICD-U50/U60/U70 4-1. BLOCK DIAGRAM IC701 IC702 IC101 SYSTEM CONTROLLER MIC AMP NAND FLASH MEMORY BGPIO0 STBY AGPIO4 BGPIO3 • Signal Path IN– BGPIO4 : PB BGPIO6 : REC Q102 BGPIO10 AGPIO5 MIC CONTROL DRDN DWRN SPOUTP SP901 (SPEAKER) SPOUTN I/O0...

  • Page 14: Printed Wiring Board - Jack Board

    ICD-U50/U60/U70 4-2. PRINTED WIRING BOARD – JACK BOARD – • :Uses unleaded solder. MIC901 JACK BOARD (SIDE A) FB101 C107 LD101 R109 C102 R119 IC101 D702 R105 R108 R120 D710 TP103 LD102 R106 C119 C108 C104 C105 C103 J101 TP156...

  • Page 15: Schematic Diagram - Jack Board

    ICD-U50/U60/U70 4-3. SCHEMATIC DIAGRAM – JACK BOARD – JACK BOARD 0.1 (1.3) MIC901 0 (1.3) HP MUTE CONTROL D710 EDZ-TE61-3.6B MAIN BOARD MIC CONTROL CN703 (Page 17) TP154 TP152 HP MUTE CONTROL SP901 SPEAKER TP151 no mark : PLAY ) : REC...

  • Page 16: Printed Wiring Boards - Main Board, Usb Board

    ICD-U50/U60/U70 Ver. 1.1 4-4. PRINTED WIRING BOARDS – MAIN BOARD, USB BOARD – • :Uses unleaded solder. MAIN BOARD (SIDE A) • Semiconductor Location R759 R751 C713 FB701 C705 C717 D703 Ref. No. Location USB BOARD (SIDE A) D501 S704...

  • Page 17: Schematic Diagram - Main Board, Usb Board

    ICD-U50/U60/U70 Ver. 1.1 4-5. SCHEMATIC DIAGRAM – MAIN BOARD, USB BOARD – • See page 12 for Waveform. • See page 18 for IC Block Diagrams. • See page 18 for IC Pin Function Description. MAIN BOARD VOL + . u >...
  • Page 18 ICD-U50/U60/U70 Ver. 1.1 • IC Block Diagrams • IC Pin Function Description MAIN BOARD IC701 DE53SN589AM8BLC (SYSTEM CONTROLLER) – MAIN Board – Pin No. Pin Name Description IC501 TPS61020DRCR SPOUTP Speaker output BCLK Not used (open) TXMOD Not used (open)
  • Page 19 ICD-U50/U60/U70 Pin No. Pin Name Description DGPIO1 NAND Flash Memory data bus DGPIO0 NAND Flash Memory data bus GND3 — Ground terminal for digital circuit VCC3 — Power supply terminal for digital circuit DRDN Read enable signal output for NAND Flash Memory...
  • Page 20 ICD-U50/U60/U70 Pin No. Pin Name Description HSSPOUTS Headphones [R] signal output VCCPA — Power supply for amplifier SPOUTN Speaker output GNDPA — Ground terminal for power amplifier...

  • Page 21: Exploded Views

    ICD-U50/U60/U70 Ver. 1.5 SECTION 5 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • The mechanical parts with no reference • Abbreviation may have some difference from the original number in the exploded views are not supplied.

  • Page 22: Main Section

    ICD-U50/U60/U70 Ver. 1.5 5-2. MAIN SECTION supplied MIC901 SP901 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-1174-560-A JACK BOARD, COMPLETE 2-667-083-01 KNOB (HOLD)(SILVER)(U50/U60/U70: KR) 2-667-073-01 COVER (USB)(SILVER)(U70: UK, KR) 2-667-073-11 COVER (USB)(WHITE)(U60) 2-667-083-11 KNOB (HOLD)(BLACK)

  • Page 23: Electrical Parts List

    ICD-U50/U60/U70 Ver. 1.2 SECTION 6 JACK MAIN ELECTRICAL PARTS LIST NOTE: • RESISTORS • Due to standardization, replacements in the All resistors are in ohms. • Accessories are given in the last of this parts parts list may be different from the parts METAL: Metal-film resistor.
  • Page 24 ICD-U50/U60/U70 Ver. 1.1 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C503 1-107-820-11 CERAMIC CHIP 0.1uF < COIL > C504 1-107-820-11 CERAMIC CHIP 0.1uF C505 1-137-934-91 TANTAL. CHIP 47uF L501 1-456-500-21 INDUCTOR 10uH L502 1-457-289-21 INDUCTOR...
  • Page 25 ICD-U50/U60/U70 Ver. 1.3 MAIN Ref. No. Part No. Description Remark < COMPOSITION CIRCUIT BLOCK > RB701 1-234-381-21 RES, NETWORK 100K (1005X4) RB702 1-234-381-21 RES, NETWORK 100K (1005X4) < SWITCH > S701 1-786-857-21 SWITCH, TACTILE (NX,.,>,VOL–,VOL+) S702 1-786-933-11 SWITCH, TACTILE (REC/PAUSE)
  • Page 26 ICD-U50/U60/U70 MEMO...
  • Page 27 ICD-U50/U60/U70 US Model ICD-U50/U60/U70 Canadian Model SERVICE MANUAL ICD-U70 AEP Model Ver. 1.5 2007.03 ICD-U60/U70 UK Model ICD-U60/U70 E Model SUPPLEMENT-1 Chinese Model ICD-U50/U60/U70 Tourist Model ICD-U60 Subject: MAIN board and JACK board changed to suffix-12 from suffix-11. Part number of printed wiring board changed to suffix-12 from suffix-11.
  • Page 28 ICD-U50/U60/U70 Note on Schematic Diagrams: Note on Printed Wiring Boards: • All capacitors are in µF unless otherwise noted. (p: pF) 50 WV or • Y : parts extracted from the conductor side. less are not indicated except for electrolytics and tantalums.
  • Page 29 ICD-U50/U60/U70 BLOCK DIAGRAM IC701 IC702 IC101 SYSTEM CONTROLLER MIC AMP NAND FLASH MEMORY BGPIO0 STBY AGPIO4 BGPIO3 • Signal Path IN– BGPIO4 : PB : REC Q102 BGPIO10 AGPIO5 MIC CONTROL DRDN DWRN SPOUTP SP901 (SPEAKER) SPOUTN I/O0 DGPIO7 J101...
  • Page 30 ICD-U50/U60/U70 PRINTED WIRING BOARD – JACK BOARD – • :Uses unleaded solder. MIC901 JACK BOARD (SIDE A) FB101 IC506 C107 TP153 (REC) LD101 R109 C102 R119 GREEN IC101 D702 (PLAY) R105 R108 R120 TP103 LD102 R106 C119 C108 C104 C154...
  • Page 31 ICD-U50/U60/U70 SCHEMATIC DIAGRAM – JACK BOARD – JACK BOARD D702 (REC) (PLAY) R708 R709 S707 S706 IC101 CN704 C102 C108 0.1 (1.3) R101 R106 R104 LD101 R105 R102 MIC901 0 (1.3) Q101 R103 C106 C101 C107 LD102 HP MUTE CONTROL...
  • Page 32 ICD-U50/U60/U70 PRINTED WIRING BOARDS – MAIN BOARD, USB BOARD – • :Uses unleaded solder. MAIN BOARD (SIDE A) • Semiconductor Location R759 R751 C713 FB701 C705 C717 D703 Ref. No. Location USB BOARD (SIDE A) D501 S704 RB701 RB702 D502...
  • Page 33 ICD-U50/U60/U70 Ver. 1.4 SCHEMATIC DIAGRAM – MAIN BOARD, USB BOARD – MAIN BOARD R722 IC703 D704 RB702 RB701 D705 D703 IC703 VOL + REAL TIME CLOCK -TE85R -TE85R . u > CN701 VOL – R731 S701 R748 LIQUID R756 CRYSTAL...
  • Page 34 ICD-U50/U60/U70 MEMO ICD-U50/U60/U70...
  • Page 35 ICD-U50/U60/U70 ELECTRICAL PARTS LIST JACK MAIN NOTE: • Due to standardization, replacements in the • RESISTORS When indicating parts by reference number, parts list may be different from the parts All resistors are in ohms. please include the board name.
  • Page 36 ICD-U50/U60/U70 Ver. 1.4 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C503 1-107-820-11 CERAMIC CHIP 0.1uF C504 1-107-820-11 CERAMIC CHIP 0.1uF < COIL > C505 1-137-934-91 TANTAL. CHIP 47uF L501 1-456-500-21 INDUCTOR 10uH C506 1-115-156-11 CERAMIC CHIP...
  • Page 37 ICD-U50/U60/U70 MAIN Ref. No. Part No. Description Remark < COMPOSITION CIRCUIT BLOCK > RB701 1-234-381-21 RES, NETWORK 100K (1005X4) RB702 1-234-381-21 RES, NETWORK 100K (1005X4) < SWITCH > S701 1-786-857-21 SWITCH, TACTILE (NX,.,>,VOL–,VOL+) S702 1-786-933-11 SWITCH, TACTILE (REC/PAUSE) S703 1-786-933-11 SWITCH, TACTILE (STOP)
  • Page 38 2006.06 Change of IC701 (System Controller) (SPM-06072) Addition of R761 (ECN-ECB63139) 2006.09 Addition of Chinese model for ICD-U50 and ICD-U60, and Tourist Model for ICD-U60 SUPPLEMENT-1 : Jack board and Main board changed to suffix-12 from suffix-11 (ECN-ECB73857) 2006.10 Addition of Application soft (CD-ROM) (SPM-06125) 2006.12...

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