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Sony ICD-ST25 Service Manual
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Sony ICD-ST25 Service Manual

Sony ICD-ST25 Service Manual

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SERVICE MANUAL
Ver. 1.1 2006.04
Sony Corporation
9-877-590-02
2006D16-1
Connect Business Division
© 2006.04
Published by Sony Techno Create Corporation
SPECIFICATIONS
Recording media
Built-in flash memory 32MB,
Stereo/Monaural recording
Recording time
See page 11.
Frequency range
• ST: 80 Hz - 13,500 Hz
• SP: 80 Hz - 7,000 Hz
• LP: 80 Hz - 3,500 Hz
Speaker
Approx. 28 mm (1
Power output
300 mW
Input/Output
• Microphone jack (minijack, stereo)
– input for plug in power, minimum input level
0.6 mV, 3 kilohms or lower impedance microphone
• Headphones jack (minijack, stereo)
– output for 8 - 300 ohms ear receiver
• USB connector
• DC IN 3V jack (excluding the Korean and the
People's Republic of China models)
Playback speed control
+100% to -50% (DPC)
Power requirements
Two LR03 (size AAA) alkaline batteries: 3 V DC
Dimensions (w/h/d) (not incl. projecting parts and controls)
41.5 × 103.6 × 13.3 mm (1
Mass (incl. batteries)
75 g (2.65 oz)
Stereo Ear Receiver × 1
Supplied accessories
USB Connecting cable × 1
Application Software (CD-ROM) × 1
Carring Case x 1
LR03 (size AAA) alkaline batteries × 2*
*For the United States model only
Design and specifications are subject to change without notice.
ICD-ST25
Canadian Model
/
in.) dia.
1
8
× 4
×
11
/
1
/
17
/
in.)
16
8
32
US Model
AEP Model
UK Model
Korea Model
Tourist Model
IC RECORDER

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  • Page 1 Carring Case x 1 LR03 (size AAA) alkaline batteries × 2* *For the United States model only Design and specifications are subject to change without notice. IC RECORDER Sony Corporation 9-877-590-02 2006D16-1 Connect Business Division © 2006.04 Published by Sony Techno Create Corporation...

  • Page 2: Table Of Contents

    ICD-ST25 TABLE OF CONTENTS 1. GENERAL Notes on chip component replacement ·········································································· 3 • Never reuse a disconnected chip component. • Notice that the minus side of a tantalum capacitor may be dam- 2. DISASSEMBLY aged by heat. 2-1. Case Block Assy ··························································· 4 2-2.

  • Page 3: General

    ICD-ST25 SECTION 1 GENERAL This section is extracted from instruction manual. Index to Parts and Controls Refer to the pages indicated in parentheses for details. Rear Front 1 Built-in microphone (12, 14) 0 Speaker K zREC (record) /REC 2 Built-in microphone (12, 14)

  • Page 4: Disassembly

    ICD-ST25 SECTION 2 DISASSEMBLY Note : Disassemble the unit in the order as shown below. 2-1. CASE BLOCK ASSY (Page 4) 2-3. 2-2. MAIN BOARD F-SW BOARD (Page 5) (Page 5) 2-4. S-SW BOARD, MICROPHONE BLOCK ASSY (Page 6) 2-5.

  • Page 5: F-Sw Board

    ICD-ST25 2-2. F-SW BOARD 3 tapping screw (1.7 × 2.5) 4 F-SW board 1 two screws (1.7 × 2.5) 2 speaker (2.8cm)(SP3001) 5 upper lid block assy 2-3. MAIN BOARD 1 flexible board of microphone unit 5 MAIN board 2 flexible board...

  • Page 6: S-Sw Board, Microphone Block Assy

    ICD-ST25 2-4. S-SW BOARD, MICROPHONE BLOCK ASSY 5 S-SW board 6 ornament (L) 4 button (5D) 7 microphone block assy 2 tapping pan screw (M1.4 × 3) 3 ornament (R) block assy 1 lid (connector)

  • Page 7: Microphone Unit

    ICD-ST25 2-5. MICROPHONE UNIT 7 microphone cover 8 microphone cushion Microphone part is turned in the direction of arrow and it removes in the direction of arrow 9 microphone unit 0 microphone case screw hole part 6 pan tapping screw 2 click plate (M1.4 ×...

  • Page 8: Block Assy

    ICD-ST25 2-6. THE CAUTIONS AT THE TIME OF A MICROPHONE BLOCK ASSY microphone unit microphone cover flexible board It inserts in a microphone base. screw hole part microphone cushion microphone unit microphone case microphone base It turns in the direction of an arrow.

  • Page 9: Test Mode

    ICD-ST25 SECTION 3 TEST MODE [Setting Method of the Test Mode] [Operation in the Test Mode] To enter the test mode, turn on the HOLD . switch while pressing After entering the test mode, you can move within the test menu by the x key and VOL+ key at the same time with the power on.
  • Page 10 ICD-ST25 3. Sleep test 7. Battery remaining power and DC IN test • Pressing the x•B key causes the set to enter the sleep state. • The detected A/D value (hexadecimal) of the battery remaining • When the HOLD . switch is ON, the LCD is turned off.
  • Page 11 ICD-ST25 11. Key durable test • Pressing the x•B key makes the count to "------" and sets test standby status. Once more pressing the x•B key makes the count to "000000" and sets the key durable test. In this mode any key input and slide switch operation are counted and the number is displayed.

  • Page 12: Diagrams

    ICD-ST25 SECTION 4 DIAGRAMS Note on Schematic Diagrams: Note on Printed Wiring Boards: • Y : parts extracted from the conductor side. • All capacitors are in µF unless otherwise noted. pF: µµF • b : Pattern from the side which enables seeing.

  • Page 13: Main Section -1

    ICD-ST25 4-1. BLOCK DIAGRAMS – MAIN SECTION -1 – IC3002 MIC AMP MIC1 (ZOOM) STBY IC3001 IC3004 MIC AMP ADC, DAC, HEADPHONE AMP Q3004 26 MICVCC AINR2 STDO MIC2 INTINL STDO AINL2 (L-CH) MIC3 OUTL AINL1 24 INTINR (R-CH) BCLK...

  • Page 14: Main Section -2

    ICD-ST25 – MAIN SECTION -2 – IC6001 IC7003 (2/3) IC7002 FLASH MEMORY FLMRB 22 FLMCLE XFLMALE 21 17 ALE STDO ADASI DSPSIN XFLMCS0 11 9 XCE IC6004 XFLMRE 20 8 RE TSCK DSPSCK XFLMWE 19 18 WE BCLK BCLK XFLMWP...

  • Page 15: Panel/Power Section

    ICD-ST25 – PANEL/POWER SECTION – IC7003(3/3) 49-74, SEG0 - SEG31 77-82 LIQUID CRYSTAL DISPLAY MODULE 83-86 COM0 - COM3 DDCOUT IC7005 RESET XCPURST S903,904, 906,907 KEYIN0 FUNCTION Q7001 FLMVCC SWITCH (IC7002) S910 SEESAW XFLMPWR S905, 908,909 KEYIN1 FUNCTION Q5006,5007 DSPEVDD...

  • Page 16: Printed Wiring Board - Main Board (Side A)

    ICD-ST25 4-2. PRINTED WIRING BOARD – MAIN BOARD (SIDE A) – • : Uses unleaded solder. (SIDE A) MAIN BOARD J5001 C5012 R5012 J3002 C1008 CSP(Chip Size Package) C6002 C2009 J3001 m P L U G I N P O W E R...

  • Page 17: Printed Wiring Board - Main Board (Side B)

    ICD-ST25 4-3. PRINTED WIRING BOARD – MAIN BOARD (SIDE B) – • : Uses unleaded solder. MAIN BOARD (SIDE B) F-SW S-SW DRY BATTERY BOARD BOARD SIZE "AAA" CN901 CN902 (IEC DESIGNATION LR 03) (Page 18) (Page 19) 2PCS,3V SP3001...

  • Page 18: Printed Wiring Board - F-Sw Board

    ICD-ST25 4-4. PRINTED WIRING BOARD – F-SW BOARD – • : Uses unleaded solder. (SIDE A) (SIDE B) F-SW BOARD F-SW BOARD O P R E R A S E V O I C E U P D P C O N / O F F...

  • Page 19: Printed Wiring Board - S-Sw Board

    ICD-ST25 4-5. PRINTED WIRING BOARD – S-SW BOARD – • : Uses unleaded solder. (SIDE A) (SIDE B) S-SW BOARD S-SW BOARD REC/REC PAUSE STOP MAIN BOARD CN7001 (Page 17) 1-687-790- (12) 1-687-790- (12)

  • Page 20: Schematic Diagram - Main Board (1/5)

    ICD-ST25 4-6. SCHEMATIC DIAGRAM – MAIN BOARD (1/5) – C3009 R3012 2.2k Q3004 C3007 R3003 3LP01S-K-TL-E 2.2k C3001 R3009 0.01 R3010 C3027 R2001 R1002 10 6.3V R3027 2.2k C3008 2.2k C3010 R2004 C2009 C2004 Q3001 0.022 C3030 R2002 0.01 UN9214J-(K8).SO...

  • Page 21: Schematic Diagram - Main Board (2/5)

    ICD-ST25 4-7. SCHEMATIC DIAGRAM – MAIN BOARD (2/5) – X8001 C8005 C8003 12MHz R8022 R8009 R8006 IC8003 XC62FP3502MR IC7002 K9F5608U0C-PCB0T00 R7010 TP7014 D8001 RB520S-30TE61 C8009 C8006 D8002 1SS352 R8007 470k R8010 100k R7040 R8011 100k 470k R8020 R8012 100k C7004...

  • Page 22: Schematic Diagram - Main Board (3/5)

    ICD-ST25 4-8. SCHEMATIC DIAGRAM – MAIN BOARD (3/5) – (Page 20) (Page 20) IC5005 XC61CS23XXNR R5009 R5012 470k 330k D5004 CRS02(TE85L) Q5003 R5010 C5014 C5020 XP152A12C0MR L5002 C5012 150k 100p 6.3V C5005 TP5006 6.3V IC5001 R1160N291B-TR-FA C5009 Q5007 NDS356AP L5001...

  • Page 23: Schematic Diagram - Main Board (4/5)

    ICD-ST25 4-9. SCHEMATIC DIAGRAM – MAIN BOARD (4/5) / SWITCH SECTION – • See page 29 for IC Pin Function Description. (Page 20) (Page 21) (Page 20) TP6001 TP6011 C6007 R6015 0.001 100k TP6006 (Page 20) TP6003 TP6004 TP6005 R6018...

  • Page 24: Schematic Diagram - Main Board (5/5)

    ICD-ST25 4-10. SCHEMATIC DIAGRAM – MAIN BOARD (5/5) – • See page 32 for IC Pin Function Description. (Page 21) (Page 20) Q7004 UN9214J-(K8).SO R7027 100k R7028 D7004 1SS352 R7030 Q7005 UN9214J-(K8).SO (Page 20) C7017 X7001 4.096MHz R7041 S7001 HOLD...
  • Page 25 ICD-ST25 • IC BLOCK DIAGRAMS IC3001 LA7473V-TLM-E (MAIN BOARD) INT MIC OUTPUT AMP R AMP R AMP R EXT MIC AMP R EXT MIC BIAS EXT MIC AMP L OUTPUT RIPPLE INT MIC AMP L AMP L FILTER AMP L...
  • Page 26 ICD-ST25 IC3003 MM3111XWLE (MAIN BOARD) SHUT OUT- BIAS BIAS OUT+ IC3004 AK4566VN-L (MAIN BOARD) IPGA & ADC BICK AINL1 AINL2 IPGA MUTET MCLK AINR1 AINR2 MOUT AUDIO I/F LRCK CONTROLLER CDTI BOOST DATT CCLK HP AMP CONTROL REGISTER MOUT VREF...
  • Page 27 ICD-ST25 IC5003 XC9502B092AR (MAIN BOARD) PWM/PFM PWM/PFM EXT1 EXT2 CONTROLLER1 CONTROLLER2 COMPARATOR1 COMPARATOR2 ERROR AMP1 ERROR AMP2 RAMP WAVE RAMP WAVE GENERATOR1 GENERATOR2 PWM1 PWM2 VREF1=0.9V VREF1=0.9V GENERATOR WITH SOFT START1, WITH SOFT START2, EN1 TO EN2 TO INTERNAL CIRCUIT...
  • Page 28 ICD-ST25 IC7004 RX-4591CF (MAIN BOARD) 32.768kHz CLOCK DIVIDER CALENDAR FOUT TIMER CONTROLLER REGISTER INTERRUPTS ARARM XIRQ CONTROLLER REGISTER CONTROL REGISTER INTERFACE CIRCUIT SYSTEM CONTROLLER FOUT IC8001 M66291GP-2 (MAIN BOARD) CVDD IVDD I/O BLOCK USB-IP OSCILLATION BUFFER /48MHzPLL INTERRUPT CONTROLLER VBUS...

  • Page 29: Ic Pin Function Descriptions

    ICD-ST25 4-11. IC PIN FUNCTION DESCRIPTIONS • IC6001 uPD77213F1-101-DA2 (DSP) (MAIN BOARD) Pin No. Pin Name Description 1 to 3 — Not used EVDD — I/O power supply (3.1V) XADACS AD/DA chip select (Not used) (fixed at “L”) ADACCLK AD/DA clock (Not used) (fixed at “L”) ADACDTI AD/DA data input (Not used) (fixed at “L”)
  • Page 30 ICD-ST25 Pin No. Pin Name Description Memory address bus 0 (Not used) — Ground terminal IVDD — Core power supply (1.6 V) Memory address bus 2 (Not used) Memory address bus 4 (Not used) — Ground terminal Memory address bus 3 (Not used)

  • Page 31: Xrst

    ICD-ST25 Pin No. Pin Name Description Memory data bus (Not used) MD14 Memory data bus (Not used) — Ground terminal MD15 Memory data bus (Not used) MD12 Memory data bus (Not used) TICE Test ICE Test mode selection EVDD —...
  • Page 32 ICD-ST25 • IC7003 MB91F233 (CPU) (MAIN BOARD) Pin No. Pin Name Description DSPSCK Serial clock output for DSP FLMCLE Command latch enable signal output for FLASH 3 to 10 DATA0 to 7 Data input/output to FLASH and USB XFLMCS0 Chip enable signal output for FLASH...

  • Page 33: Xintusb

    ICD-ST25 Pin No. Pin Name Description XADACS Chip select signal output to ADC, DAC WAKEUP WAKE UP interrupt input DSPIFREQ DSP I/F interrupt request DVCC — Voltage terminal DVSS — Ground terminal XTALIN Main vibration terminal (input) XTAL Main vibration terminal (input)

  • Page 34: Exploded Views

    ICD-ST25 SECTION 5 EXPLODED VIEWS NOTE: • -XX, -X mean standardized parts, so they may • The mechanical parts with no reference number have some differences from the original one. in the exploded views are not supplied. • Items marked “*” are not stocked since they are seldom required for routine service.

  • Page 35: Case Block

    ICD-ST25 Ver. 1.1 5-2. CASE BLOCK supplied supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks X-3385-113-2 CASE ASSY 3-250-051-11 ORNAMENT (L) 3-250-038-31 LID, BATTERY CASE 3-250-042-01 BASE, MICROPHONE 3-250-039-01 KNOB (HOLD) 3-348-998-71 SCREW (M1.4X4.5), TAPPING, PAN 3-250-049-11 LID (CONNECTOR) 3-348-998-21 SCREW (M1.4X2), TAPPING, PAN...

  • Page 36: Electrical Parts List

    ICD-ST25 SECTION 6 ELECTRICAL PARTS LIST F-SW MAIN NOTE: • Due to standardization, replacements in the • CAPACITORS: • SEMICONDUCTORS parts list may be different from the parts uF: µF In each case, u: µ, for example: specified in the diagrams or the components •...

  • Page 37: Ic6001

    8-759-058-58 IC TC7S04FU (TE85R) C7020 1-164-937-11 CERAMIC CHIP 0.001uF IC7001 8-759-670-89 IC BU2090FS-E2 C7021 1-125-777-11 CERAMIC CHIP 0.1uF IC7002 6-705-077-01 IC K9F5608U0C-PCB0T00 (ICD-ST25) C7022 1-125-837-11 CERAMIC CHIP 6.3V IC7002 6-705-675-01 IC K9F1G08U0M-PCB0T (ICD-ST45) C7023 1-164-943-11 CERAMIC CHIP 0.01uF C8001 1-125-777-11 CERAMIC CHIP 0.1uF...
  • Page 38 ICD-ST25 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < COIL > R3007 1-218-977-11 RES-CHIP 100K 1/16W R3008 1-218-965-11 RES-CHIP 1/16W L5001 1-456-159-11 INDUCTOR 22uH L5002 1-456-159-11 INDUCTOR 22uH R3009 1-218-969-11 RES-CHIP 1/16W R3010 1-218-973-11 RES-CHIP 1/16W <...
  • Page 39 ICD-ST25 MAIN S-SW Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R6018 1-218-977-11 RES-CHIP 100K 1/16W R8015 1-218-933-11 RES-CHIP 1/16W R6019 1-218-977-11 RES-CHIP 100K 1/16W R8016 1-218-933-11 RES-CHIP 1/16W R6020 1-218-977-11 RES-CHIP 100K 1/16W R6021 1-218-977-11 RES-CHIP...
  • Page 40 ICD-ST25 Ref. No. Part No. Description Remarks MISCELLANEOUS ************** 1-687-791-21 PWB, FLEXIBLE 1-477-825-21 MICROPHONE UNIT SP3001 1-529-276-22 SPEAKER (2.8cm) ************************************************************ ACCESSORIES *********** 1-823-519-31 CORD, CONNECTION 3-251-801-02 CASE, CARRYING 3-258-652-12 MANUAL, INSTRUCTION (Digital Voice Editor 2) (ENGLISH) 3-258-652-21 MANUAL, INSTRUCTION (Digital Voice Editor 2)
  • Page 41 ICD-ST25 MEMO...
  • Page 42 ICD-ST25 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2004.03...

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