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SERVICE MANUAL
Ver. 1.0 2008.02
Capacity (User available capacity)
ICD-SX68/SX68DR9: 512MB
(approx. 483MB=507,346,944Byte)
ICD-SX78/SX78DR9: 1GB
(approx. 975MB=1,022,590,976Byte)
ICD-SX88: 2GB
(approx. 1.93GB=2,081,521,664Byte)
A part of the memory capacity is used as a
management area.
Recording time
Maximum recording time
The maximum recording time of all the
folders is as follows.
ICD-SX68/SX68DR9
STHQ mode ST mode
STLP mode
8 hr. 35 min. 22 hr. 50 min. 44 hr. 00 min.
SP mode
LP mode
69 hr. 40 min. 185 hr. 55 min.
ICD-SX78/SX78DR9
STHQ mode ST mode
STLP mode
17 hr. 25 min. 46 hr. 5 min. 88 hr. 45 min.
SP mode
LP mode
140 hr. 35 min. 374 hr. 55 min.
ICD-SX88
STHQ mode ST mode
STLP mode
35 hr. 30 min. 93 hr. 55 min. 180 hr. 45 min.
SP mode
LP mode
286 hr. 10 min. 763 hr. 15 min.
(hr : hours/min. : minutes)
Sony Corporation
9-887-998-01
2008B04-1
Audio Business Group
©
2008.02
Published by Sony Techno Create Corporation
ICD-SX68/SX68DR9/SX78/
Photo : ICD-SX68
SPECIFICATIONS
Frequency range
STHQ : 80 Hz - 20,000 Hz
ST : 80 Hz - 16,500 Hz
STLP : 80 Hz - 7,000 Hz
SP : 80 Hz - 6,000 Hz
LP : 80 Hz - 3,500 Hz
Bit rates and sampling frequencies for
Bit rate: 32 - 320 kbps, VBR
Sampling frequencies: 16/22.05/24/32/44.1/
48 kHz
Not all encoders are supported.
Speaker
Approx. 16 mm (21/32 in.) dia.
Power output
150 mW
Input/Output
Microphone jack (minijack, stereo)
input for plug in power, minimum input
level 0.6 mV, 3 kilohms or lower impedance
microphone
Headphone jack (minijack, stereo)
output for 8 - 300 ohms headphones
USB connector
Playback speed control
+200% to –75% (DPC)
Power requirements
Two NH-AAA rechargeable batteries: 2.4 V DC
Two LR03 (size AAA) alkaline batteries: 3.0 V DC
Operating temperature
5˚C - 35˚C (41˚F - 95˚F)
Dimensions (w/h/d) (not incl.
projecting parts and controls)(JEITA)*
30.8 × 119.3 × 14.9 mm (1 1/4 × 4 3/4 × 19/32
in.)
SX78DR9/SX88
US Model
Canadian Model
ICD-SX68/SX68DR9
AEP Model
E Model
ICD-SX68/SX78/SX78DR9
Korea Model
ICD-SX68/SX78/SX88
Mass (JEITA)*
74 g (2.7 oz) including two NH-AAA
rechargeable batteries
* Measured value by the standard of JEITA
(Japan Electronics and Information
Technology Industries Association)
Supplied accessories
Rechargeable batteries (2)
Stereo headphones (1) (Except AEP)
USB connecting cable (1)
Application Software, Digital Voice
Editor (CD-ROM) (1)
Application Software, Dragon Naturally
Speaking (CD-ROM)
(2) (SX68DR9: US/SX78DR9: E)
(3) (SX68DR9: Canadian)
(4) (SX78DR9: AEP)
Cradle (1) (SX68DE9/SX78DR9)
Stand (1) (AEP, E, Korea)
Carrying pouch (1)
change without notice.
IC RECORDER

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Summary of Contents for Sony ICD-SX68

  • Page 1 286 hr. 10 min. 763 hr. 15 min. 30.8 × 119.3 × 14.9 mm (1 1/4 × 4 3/4 × 19/32 (hr : hours/min. : minutes) in.) IC RECORDER Sony Corporation 9-887-998-01 2008B04-1 Audio Business Group © 2008.02 Published by Sony Techno Create Corporation...
  • Page 2: Table Of Contents

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 TABLE OF CONTENTS Notes on chip component replacement • Never reuse a disconnected chip component. • Notice that the minus side of a tantalum capacitor may be dam- GENERAL ..............aged by heat. DISASSEMBLY Flexible Circuit Board Repairing 2-1. Knob (HOLD), Speaker Assy (SP001) ......
  • Page 3: General

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 SECTION 1 This section is extracted GENERAL from instruction manual. 4 Display window (10, 11) Index to Parts and 5 DIVIDE/ (bookmark) button (31, 34, Controls Refer to the pages indicated in (folder)/MENU button parentheses for details. (record/pause) button (21, 25, 26,...
  • Page 4 ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 Display window L Microphone sensitivity indicator Step 2: Setting the Displays the current microphone Display during playback and stop Clock sensitivity. (high) : To record at a meeting or in a quiet/spacious place. (low) : To record for dictation or in a noisy place.
  • Page 5: Disassembly

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 SECTION 2 DISASSEMBLY • This set can be disassembled in the order shown below. 2-1.KNOB (HOLD), SPEAKER ASSY (SP001) (Page 6) 2-2.CHASSIS ASSY, CASE ASSY (Page 6) 2-4.COVER (CHASSIS), 2-3.BATTERY CASE LID MAIN BOARD (Page 7) (Page 7) 2-5.CHASSIS (Page 8) 2-6.SW BOARD,...
  • Page 6: Knob (Hold), Speaker Assy (Sp001)

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 Note: Follow the disassembly procedure in the numerical order shown below. 2-1. KNOB (HOLD), SPEAKER ASSY (SP001) base two claws two screws (1.7 × 4.5) claw knob (hold) speaker assy (SP001) knob (hold) knob (hold) claw claw claw claw...
  • Page 7: Battery Case Lid

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 2-3. BATTERY CASE LID screw (1.7 × 3) battery case lid, base (battery), e.t.c. battery terminal (+–) assy chassis (battery case lid) base (battery) hinge (battery case lid) battery case lid 2-4. COVER (CHASSIS), MAIN BOARD battery terminal (+) Assembling the chassis assy battery terminal (–)
  • Page 8: Chassis

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 2-5. CHASSIS Route the harness as shown below. two screws (B1.4 × 4) harnesses When installing the HPJACK board, push the board to the very end, and then fix it with screws. two cushions HPJACK board two claws screw holes...
  • Page 9: Mic-A Assy, Mic-B Assy

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 2-7. MIC-A ASSY, MIC-B ASSY mic-A assy mic-A assy mic-B assy (M102) (M101) (M103) Solder each lead according to the color (black, red, yellow) as shown in the figure. mic-B assy (M103) black yellow mic-A assy mic-A assy (M102)
  • Page 10: Test Mode

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 SECTION 3 TEST MODE [Test Mode] 1. Version test The following checks can be implemented using the Test Mode. • Version of the respective modules are verifi ed. F/W version of Boot loader How to Enter the Test Mode •...
  • Page 11 ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 3. Loop test 9. Battery test • The detected A/D value of the battery remaining power is Execute the DSP LOOP BACK. checked. Test Key SWITCH Description • Press the [ ] or [ /MENU] button to return to the test mode...
  • Page 12: Diagrams

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 SECTION 4 DIAGRAMS THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) For Printed Wiring Boards. For Schematic Diagrams. Note: Note: • X : Parts extracted from the component side.
  • Page 13: Block Diagram - Main1 Section

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 4-1. BLOCK DIAGRAM - MAIN1 SECTION - Q3660 SWITCH D3607 IC3901 ADC, DAC, HEADPHONE AMP IC3203 D3606 SELECTOR IC3655 SELECTOR IC3202 M101 (MIC) 2 NO1 IC3403 POWER AMP COM1 4 NC1 COM1 3 A+INPUT HPCOM/MONO AIN1L OUTP A OUTPUT...
  • Page 14: Block Diagram - Main2 Section

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 4-2. BLOCK DIAGRAM - MAIN2 SECTION - IC2602 SRAM SDR_CSZ0 SDR_BA1 SDR_BA0 G7 BA0 SDR_WEZ SDR_RASZ SDR_CASZ SDR_CKE0 F3 CKE SDR_CLK F2 CLK SDR_DQM1 DQM1 SDR_DQM0 E8 LDQM R1,R8,N1, A2,A8,B1 N2,N3,N4, DQ0-7 B2,B8,B9 SDR_DATA0-15 N5N8,M4, C1,C2,C8 DQ8-12 M5,M8,P1, C9,D1,D2...
  • Page 15: Printed Wiring Board - Audio Board (Side A)

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 4-3. PRINTED WIRING BOARD - AUDIO BOARD (SIDE A) - • : Uses unleaded solder. AUDIO BOARD (SIDE A) D5002,5004,5005 (LCD BACK LIGHT) D5005 D5004 D5002 B C3688 Q3657 S6001 2 1 3 DIVIDE / C3999 R6003 S6004 / MENU...
  • Page 16: Printed Wiring Board - Audio Board (Side B)

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 4-4. PRINTED WIRING BOARD - AUDIO BOARD (SIDE B) - • : Uses unleaded solder. AUDIO BOARD (SIDE B) J3201 S6013 LCD101 DIRECTNL LIQUID CRYSTAL DISPLAY BT1602 R6019 CN5002 FB3201 LITHIUM Q5001 SECONDARY R3207 R5023 BATTERY C3904 JL3201 M102...
  • Page 17: Schematic Diagram - Audio Board (1/2)

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 4-5. SCHEMATIC DIAGRAM - AUDIO BOARD (1/2) - AUDIO BOARD (1/2) Q3660 R3910 3LP01S-K-TL-E 2 . 9 ( 0 ) SWITCH VDD_STMIC Q3657 2 . 9 ( 0 ) C3689 3LP01S-K-TL-E SWITCH 6.3V 2 ( 0 ) D3606 R3738 2 .
  • Page 18: Schematic Diagram - Audio Board (2/2)

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 4-6. SCHEMATIC DIAGRAM - AUDIO BOARD (2/2) - • See page 28 for IC Block Diagram. AUDIO BOARD (2/2) R6032 BKBAT+ 4.7k BT1602 C6033 LITHIUM SECONDARY BATTERY BKBAT- AUDIO VDD_HP BOARD MICIN_R ( 1 / 2 ) (Page 17)
  • Page 19: Printed Wiring Board - Main Board (Side A)

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 4-7. PRINTED WIRING BOARD - MAIN BOARD (SIDE A) - • : Uses unleaded solder. AUDIO BOARD MAIN BOARD (SIDE A) CN7001 (Page 16) IC8002 IC1603 IC8001 R1815 IC3404 Q1665 R1679 Q3402 C1803 R1401 C1608 CN1001 C3403 R8513 C1416 C1419...
  • Page 20: Printed Wiring Board - Main Board (Side B)

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 4-8. PRINTED WIRING BOARD - MAIN BOARD (SIDE B) - • : Uses unleaded solder. MAIN BOARD (SIDE B) S6014 S6016 S6015 V-UP HOLD JL1615 C6031 R6017 IC3403 S6014 S6016 S6015 C3410 Q1603 R1604 R6006 R1609 R1606 C1647 R6005...
  • Page 21: Schematic Diagram - Main Board (1/5)

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 4-9. SCHEMATIC DIAGRAM - MAIN BOARD (1/5) - • See page 29 for IC Pin Function Description. MAIN BOARD (1/5) VDD_GP2 MAIN BOARD VDD_ANA Q6001 UNR31A400LS0 ( 3 / 5 ) (Page 23) VDD_HP SWITCH VDD_LOG MAIN BOARD R6025 2 .
  • Page 22: Schematic Diagram - Main Board (2/5)

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 4-10. SCHEMATIC DIAGRAM - MAIN BOARD (2/5) - ( 2 / 5 ) MAIN BOARD VDD_SDR C2608 C2602 C2604 C2606 MAIN 0.0022 0.22 0.22 0.0022 BOARD ( 1 / 5 ) (Page 21) ( 3 / 5 ) (Page 23)
  • Page 23: Schematic Diagram - Main Board (3/5)

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 4-11. SCHEMATIC DIAGRAM - MAIN BOARD (3/5) - MAIN MAIN MAIN BOARD BOARD MAIN BOARD ( 1 / 5 ) (Page 21) ( 1 / 5 ) (Page 21 ) ( 1 / 5 ) (Page 21) BOARD ( 4 / 5 ) (Page 24)
  • Page 24: Schematic Diagram - Main Board (4/5)

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 4-12. SCHEMATIC DIAGRAM - MAIN BOARD (4/5) - MAIN BOARD ( 4 / 5 ) IC8501 JL8501 +3.1 V REG IC8501 XC6215B312GR 3 . 3 3 . 1 MAIN BOARD VDD_USB31 ( 1 / 5 ) (Page 21) VDD_DDCOUT33 VOUT 1 .
  • Page 25: Schematic Diagram - Main Board (5/5)

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 4-13. SCHEMATIC DIAGRAM - MAIN BOARD (5/5) - • See page 28 for IC Block Diagram. MAIN BOARD ( 5 / 5 ) SP_XMUTE_AA1 MAIN BOARD ( 1 / 5 ) IC3404 (Page 21) XC6219C292MR SP_PWR_AA2 C3403 3 . 3...
  • Page 26: 4-14. Printed Wiring Boards - Hpjack Board, Sw Board

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 4-14. PRINTED WIRING BOARDS - HPJACK BOARD, SW BOARD - • : Uses unleaded solder. HPJACK BOARD (SIDE A) HPJACK BOARD (SIDE B) R3304 BLACK J3301 JL3414 JL3413 BLUE R3303 J3301 R3302 ORANGE AUDIO BOARD JL3412 GRAY JL3411 (Page 16)
  • Page 27: 4-15. Schematic Diagram - Hpjack Board, Sw Board

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 4-15. SCHEMATIC DIAGRAM - HPJACK BOARD, SW BOARD - AUDIO BOARD (2/2) CN7002 (Page 18) D5004 CL-375HR/YG-D-TS SW BOARD (OPERATION) C6005 R6012 R6007 R6009 R6011 R6013 R6014 R6015 2.2k 2.2k 2.2k 4.7k S6006 S6002 S6008 S6005 S6007 S6509 S6010...
  • Page 28 ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 • IC Block Diagrams IC3901 PCM3794RHBR (AUDIO Board (2/2)) IC3403 SM6801 AB-G-EL (MAIN Board (5/5)) AIN2R DRCN AIN3L MUTE VDD1 POWER DOWN, PROTECTION Serial Interface AIN3R BIAS 12 OUTP VREF1 (SOI/I2C) VREF LEVEL MUX1 MUX2 BUFFER 10 OUTN SHIFTER –...
  • Page 29 ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 • IC Pin Function Description MAIN Board IC1001 MC-10051BF1-FAE-A (SYSTEM CONTROLLER) Pin No. Pin Name Description — (Used to fi x solder ball to mount IC on board. Open) — (Used to fi x solder ball to mount IC on board. Open) —...
  • Page 30 ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 Pin No. Pin Name Description ADIN5 ADC input signal 5 ADIN7 ADC input signal 7 ADGND — USB_DATA0 USB data input/output (Not used (Open)) USB_DIR USB DIR input (Fixed to “L”) USB_DATA — Not used (Open) USB_CLK USB serial clock input (Fixed to “L”)
  • Page 31 ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 Pin No. Pin Name Description SWVBUS Power supply logic output — Not used (Open) — Not used (Open) AB0_A4 Address output FLASHCLK Clock for Nor-Flash (Not used (Open)) AB0_A7 Address output (Not used (Open)) AB0_A12 Address output (Not used (Open))
  • Page 32 ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 Pin No. Pin Name Description NAND_DA9 Address data input/output (Not used (Open)) NAND_DA12 Address data input/output (Not used (Open)) — — — — — — — AB0_BENZ0 Byte enable output (Not used (Open)) AB0_RDZ Read strobe output (Low active)
  • Page 33 ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 Pin No. Pin Name Description SDR_DATA13 Read/write data NAND_CEZ0 Chip enable — — — LCD_B0 B data (Not used (Open)) LCD_G0 G data (Not used (Open)) LCD_G1 G data (Not used (Open)) LCD_G2 G data (Not used (Open)) LCD_G3...
  • Page 34 ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 Pin No. Pin Name Description SDR_CSZ1 Chip select signal (Low active) (Not used (Open)) SDR_CSZ0 Chip select signal (Low active) SDR_BA1 Bank address SDR_RASZ RAS signal (Low active) SDR_CKE1 Clock enable signal (Not used (Open)) — MWI_SO Data output (Not used (Open))
  • Page 35 ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 Pin No. Pin Name Description GPI/O14 Input/output and interrupt input to general purpose I/O GPI/O15 Input/output and interrupt input to general purpose I/O SDR_A4 SDR address output SDR_A3 SDR address output SPI1_SO SPI1 data output — SPI1_CS0 SPI1 Chip select 0 —...
  • Page 36 ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 Pin No. Pin Name Description Data input/output (Not used (Open)) AB17 MS_DATA0 (To be used for both of Memory Stick and SD card) SD insert detect/clock input(when SD is used) (Fixed to “L”) AB18 MS_INSZ (To be used for both of Memory Stick and SD card)
  • Page 37 ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 Pin No. Pin Name Description AD20 PM1_SI PCM1 data output AD21 GND2 — AD22 PM0_SI PCM0 data input AD23 PWM1 PWM interface signal AD24 STM_DATA — Not used (Open) AD25 GND3 — AD26 — (Used to fi x solder ball to mount IC on board. Open) —...
  • Page 38: Exploded Views

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 SECTION 5 EXPLODED VIEWS Note: • -XX and -X mean standardized parts, so • The mechanical parts with no reference • Abbreviation they may have some difference from the number in the exploded views are not sup- CND : Canadian model original one.
  • Page 39: Chassis Section

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 5-2. CHASSIS SECTION M101 M103 M102 LCD101 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-1510-601-A AUDIO BOARD, COMPLETE X-2189-248-1 MAIN BOARD ASSY (2G) (SX88) 3-093-270-01 SHEET (LIGHT GUIDE PLATE L) X-2189-415-1 MAIN BOARD ASSY (512) (SX68/SX68DR9)
  • Page 40: Electrical Parts List

    ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 SECTION 6 AUDIO ELECTRICAL PARTS LIST Note: • Due to standardization, replacements in • COILS When indicating parts by reference num- uH: μH the parts list may be different from the ber, please include the board name. parts specifi ed in the diagrams or the com- •...
  • Page 41 ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 AUDIO HP JACK MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < JACK > R5023 1-218-989-11 RES-CHIP 1/16W R6001 1-218-965-11 RES-CHIP 1/16W J3201 1-819-213-41 JACK (MIC) R6003 1-218-953-11 RES-CHIP 1/16W R6008 1-218-953-11 RES-CHIP 1/16W <...
  • Page 42 ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C1447 1-125-777-11 CERAMIC CHIP 0.1uF C8513 1-164-854-11 CERAMIC CHIP 15PF C1605 1-164-943-81 CERAMIC CHIP 0.01uF C8514 1-164-854-11 CERAMIC CHIP 15PF C1608 1-164-935-11 CERAMIC CHIP 470PF C1609...
  • Page 43 ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R1409 1-218-953-11 RES-CHIP 1/16W R8514 1-218-977-11 RES-CHIP 100K 1/16W R1412 1-218-977-11 RES-CHIP 100K 1/16W R8515 1-218-977-11 RES-CHIP 100K 1/16W R1413 1-218-977-11 RES-CHIP 100K 1/16W R8516 1-218-989-11...
  • Page 44 ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 Ref. No. Part No. Description Remark ACCESSORIES ************ 1-833-825-11 CORD, CONNECTION (USB) 3-099-713-02 SOFT (DNS9), APPLICATION (Dragon Naturally Speaking) (Disc 1) (ENGLISH,SPANISH) (SX68DR9/SX78DR9) 3-099-713-12 SOFT (DNS9), APPLICATION (Dragon Naturally Speaking) (Disc 2) (ENGLISH,SPANISH) (SX68DR9/SX78DR9) 3-099-713-22 SOFT (DNS9), APPLICATION (Dragon Naturally Speaking) (FRENCH,GERMAN)
  • Page 45 ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 MEMO...
  • Page 46 ICD-SX68/SX68DR9/SX78/SX78DR9/SX88 REVISION HISTORY Checking the version allows you to jump to the revised page. Also, clicking the version at the top of the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2008.02...

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