Sony DSC-T20 Service Manual
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Sony DSC-T20 Service Manual

Sony DSC-T20 Service Manual

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Ver. 1.0 2007.03
Revision History
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Before starting adjustments
Adjusting items when replacing main parts and boards
List of service tools
CAMERA SECTION ADJUSTMENTS
PREPARATIONS BEFORE ADJUSTMENTS
ADJUSTMENT PROGRAM
DESTINATION DATA WRITE
USB SERIAL No. INPUT
VIDEO SYSTEM ADJUSTMENTS
CAMERA SYSTEM ADJUSTMENTS
LCD SYSTEM ADJUSTMENTS
ERROR
• Use this Service Manual together with the Automatic Adjustment Program (DSC-T20_T25 Auto-Adj Ver_1.0r01.exe).
DSC-T20/T25_ADJ
9-852-195-51
DSC-T20/T25
SECTION 6
ADJUSTMENTS
SERVICE MODE
Sony EMCS Co.
APPLICATION FOR ADJUSTMENT (SeusEX)
SERVICE MODE
DATA BACKUP
Auto-ADJ
2007C0500-1
© 2007.3
Published by Kohda TEC

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Summary of Contents for Sony DSC-T20

  • Page 1 USB SERIAL No. INPUT VIDEO SYSTEM ADJUSTMENTS CAMERA SYSTEM ADJUSTMENTS LCD SYSTEM ADJUSTMENTS ERROR • Use this Service Manual together with the Automatic Adjustment Program (DSC-T20_T25 Auto-Adj Ver_1.0r01.exe). 2007C0500-1 DSC-T20/T25_ADJ © 2007.3 Sony EMCS Co. 9-852-195-51 Published by Kohda TEC...

  • Page 2: Table Of Contents

    1-6. Camera System Adjustments ········································· 6-21 1-7. LCD System Adjustments ············································· 6-32 1-8. Error ··············································································· 6-34 6-2. Service Mode ································································· 6-36 2-1. Application for Adjustment (SeusEX) ·························· 6-36 2-2. Service Mode ································································· 6-37 2-3. Data Backup ·································································· 6-42 DSC-T20/T25_ADJ — 2 —...

  • Page 3: Adjustments

    1 Select [Format] with v/V/b/B on the control button, then press z. The message “All data in internal memory will be erased” appears. 2 Select [OK] with v, then press z. The format is complete. To cancel the formatting Select [Cancel] in step 2, then press z. DSC-T20/T25_ADJ...

  • Page 4: How To Write Data To Internal Memory

    To change the setting, use the write enable tool “WriteEnableTool.exe”. Data writing method 1) Connect the PC to the camera (USB mode: Mass Storage), and switch the driver to the “Sony Seus USB Driver”. 2) Start the Write Enable Tool and the SeusEX.

  • Page 5: Adjusting Items When Replacing Main Parts And Boards

    CCD white defect compensation check CCD black defect compensation check CAMERA adjustment 5 Strobe adj. CAMERA adjustment 6 Auto focus illumination check CAMERA adjustment 7 Angular velocity sensor sensitivity adj. V-COM adj. LCD adjustment White Balance adj. Table 6-1-1 DSC-T20/T25_ADJ...

  • Page 6: List Of Service Tools

    2) Fit the 9 colors chart in the woody board A, and secure the chart with a black tape, etc. to shield the light. woody boad A woody boad A 360 mm 155 mm 135 mm 280 mm 9 colors chart DSC-T20/T25_ADJ...
  • Page 7 J-13 J-15 J-14 Tripod Adaptor Camera table J-6082-577-A J-6082-384-A HD Station (CSS-HD1) (Note 3) A-1242-190-A Fig. 6-1-2 Note 3: The HD Station must be modified. (Refer to “4. HD Station Modifying Procedure”) DSC-T20/T25_ADJ...

  • Page 8: Camera Section Adjustments

    Terminated Video (1-830-848-21) 75 Ω (yellow) Audio (Black) Fig. 6-1-4 Note: The set must be connected to the modified HD station when performing the “Component out (Y, Pb, Pr) level adjustment” in the “Video System Adjustment”. DSC-T20/T25_ADJ...
  • Page 9 Two connectors are required. To DC IN jack AC power adaptor USB connector AC IN USB cable To USB (1-829-868-41) connector HASP Key To USB connector Fig. 6-1-5 Note: For the USB connection, refer to “4. HD Station Modifying Procedure”. DSC-T20/T25_ADJ...
  • Page 10 Fig. 6-1-6. (Standard picture frame) 2) Clear chart (Standard picture frame) Remove the 9 colors chart from the pattern box and insert a clear chart in its place. (Do not perform zoom operations dur- ing this time) DSC-T20/T25_ADJ...
  • Page 11 A, B and C are internal. (Fig. 6-1-8) woody board A woody board B woody board A woody board B woody board C Fig. 6-1-8 L = 50cm Flash adjustment box Front of the lens Camera Background paper Fig. 6-1-9 DSC-T20/T25_ADJ...
  • Page 12 Upper cabinet 4 Lower cabinet 3 Five screws 6 Connector board/ Multi board 5 Two screws 2 Two foot rubbers Fig. 6-1-10 3) Mount the USB connector on the Connector board. Connector board Mount the USB connector. Fig. 6-1-11 DSC-T20/T25_ADJ 6-10...
  • Page 13 4) Connect four lead wires between USB connector and Multi board. Wiring diagram when USB connector is added for modification CN105 CN006 (USB connector) (No mount) CONNECTOR BOARD (SIDE B) 1Pin 2Pin D– 2Pin 4Pin 3Pin 5Pin 5Pin 6Pin CN105 MULTI BOARD (SIDE B) CN006 Fig. 6-1-12 DSC-T20/T25_ADJ 6-11...
  • Page 14 5) Puncture the Upper cabinet to make a window for the USB connector as shown below. Upper cabinet USB connector position Puncture the Upper cabinet. USB connector Fig. 6-1-13 6) Assemble the HD station. DSC-T20/T25_ADJ 6-12...

  • Page 15: Adjustment Program

    3. Function of Each Button on Main Menu Screen When the Automatic Adjustment Program started, the Main Menu screen in Fig. 6-1-14 will appear. On this screen, select each ad- The DSC-T20/T25 is adjusted by the Automatic Adjustment Pro- justment section. gram. The Automatic Adjustment Program enters automatically...
  • Page 16 Camera to confirm that the USB mode screen is dis- Camera restarted, click the [OK] button in the message played. window. 4) Upon successful completion of the settings in the Adjustment Mode, the operation of each button on the Main Menu screen is enabled. DSC-T20/T25_ADJ 6-14...

  • Page 17: Destination Data Write

    Selects the model name. 3 Destination List 3) Click the [Data Write] button. Selects the written destination. 4 [Data Write] button Write the destination data to the camera. 4) The writing finishes when the following message is displayed. DSC-T20/T25_ADJ 6-15...
  • Page 18 3. Selectable Language Table SELECTABLE LANGUAGE NTSC NTSC NTSC CEE2 CEE8 CEE9 NTSC NTSC NTSC NTSC CEE2 CEE8 CEE9 z: INITIAL LANGUAGE Table 6-1-2 DSC-T20/T25_ADJ 6-16...

  • Page 19: Usb Serial No. Input

    For the “SERIAL No.”, read it from the label on the camera body and enter it. 7 [Write Manually] button The USB SERIAL No. data entered in the input area is written to the camera. DSC-T20/T25_ADJ 6-17...

  • Page 20: Video System Adjustments

    R040 on Multi board (HD Station) Oscilloscope 06BF VIDEO Y Level Adj. Adjustment COMPONENT OUT R041 on Multi board (HD Station) Oscilloscope 06C0 Pb Level Adj. COMPONENT OUT R042 on Multi board (HD Station) Oscilloscope 06C1 Pr Level Adj. Table 6-1-3 DSC-T20/T25_ADJ 6-18...
  • Page 21 5) If the [End] button is clicked, “2. Composite Video Level Adj.” and “4. Release of Data Setting during Video Adj.” will be executed. 6) Upon successful completion of all item the Composite Video Level Adjustment, the following message is displayed. Click the [OK] button. DSC-T20/T25_ADJ 6-19...
  • Page 22 [Down] button on the screen, adjust so that the Pb signal level satisfies the specified value. After the adjustment, check that the sync level of the Pb signals satisfies the specified value, and click the [End] button in the screen. DSC-T20/T25_ADJ 6-20...

  • Page 23: Camera System Adjustments

    “red”. When the data setting is cancelled, the button color returns to “white”. (Use this button when an error occurred in the camera adjust- ment 1-6. If the adjustment completed successfully, the data setting is automatically cancelled and the button color returns to “white”.) DSC-T20/T25_ADJ 6-21...
  • Page 24 CAMERA Adjustment 6 Auto Focus Illumination Check Flash adjustment box (50 cm) 0F10 to 0F15 Angular Velocity Sensor CAMERA Adjustment 7 Not required 0E10, 0E11 Sensitivity Adj. Note 1: The Automatic Adjustment Program does not support the “Wide Limit Adjustment”. Note 2: Dark Siemens star chart. Table 6-1-4 DSC-T20/T25_ADJ 6-22...
  • Page 25 4) If the [OK] button is clicked, “2. Hall Adj.” and “3. Release of Data Setting during Camera Adj.” will be executed. 5) Upon successful completion of all items of the CAMERA Ad- justment 1, the following message is displayed. Click the [OK] button. Fig. 6-1-19 DSC-T20/T25_ADJ 6-23...
  • Page 26 0F19, and the lower byte of the data to the Adjusting method when the lens is replaced”. address: 0F18. Wide Limit Data (2-byte data) XXXX Data for Block: 11, Page: 61, Address: 0F18 Data for Block: 11, Page: 61, Address: 0F19 Fig. 6-1-20 DSC-T20/T25_ADJ 6-24...
  • Page 27 Camera Fig. 6-1-22 Regulated power supply Output voltage : Specified voltage ± 0.01 Vdc Output current : more than 3.5 A Red (+) Black (–) Yellow (SENS +) White (SENS –) Need not connected Black (GND) Fig. 6-1-21 DSC-T20/T25_ADJ 6-25...
  • Page 28 5) Upon completion of “2. Flange Back Check”, “3. Release of Data Setting during Camera Adj.” is executed. 6) Upon successful completion of all items of the CAMERA Adjustment 3, the following message is displayed. Click the [OK] button. DSC-T20/T25_ADJ 6-26...
  • Page 29 Fig. 6-1-24 Check on the monitor TV or the LCD screen A = B C14: Filter for AWB 5800K adjustment Green Yellow Cyan White Blue Magenta Effective picture frame Transparent window Fig. 6-1-25 DSC-T20/T25_ADJ 6-27...
  • Page 30 9) Click the [OK] button, and the items from “9. CCD Linearity Check” to “12. Release of Data Setting during Camera Adj.” will be executed. 10) Upon successful completion of all items of the CAMERA Adjustment 4, the following message is displayed. Click the [OK] button. DSC-T20/T25_ADJ 6-28...
  • Page 31 6) Upon successful completion of “2. Strobe Adj.”, “3.Release of Data Setting during Camera Adj.” is executed. 7) Upon successful completion of all items of the CAMERA Adjustment 5, the following message is displayed. Click the [OK] button. DSC-T20/T25_ADJ 6-29...
  • Page 32 With the pins 1 and 2 of angular velocity sensor placed in the board is written only repair parts. lower position, read the data value. Description example : For the sensor sensitivity value 60 Hand Writing Fig. 6-1-27 DSC-T20/T25_ADJ 6-30...
  • Page 33 Fig. 6-1-28 6) Upon successful completion of the data writing, the following screen will appear. Check that the steady shot function oper- ates normally. DSC-T20/T25_ADJ 6-31...

  • Page 34: Lcd System Adjustments

    Adjustment White Balance Adj. 0309, 030A Table 6-1-5 Fig. 6-1-29 1 [To Menu] button The Main Menu screen comes back. 2 [Start] button “LCD Adjustment” starts. 3 [Reboot] button When this button is clicked, the camera is rebooted. DSC-T20/T25_ADJ 6-32...
  • Page 35 “3. White Balance Adj.”. Check that the LCD screen is not colored. If colored, using the [Up]/[Down] button on the screen, adjust so that the LCD screen is not col- ored. After the adjustment, click the [End] button in the screen. DSC-T20/T25_ADJ 6-33...

  • Page 36: Error

    • Check that the conditions such as a subject Remedy 2. RESET the CAMERA and Try Again are correct. • Reset the camera. Symptom The camera is not ready for adjustment. Cause Data error exists in the camera. Remedy Reset the camera. DSC-T20/T25_ADJ 6-34...
  • Page 37 • On the SeusEX Operation screen, [Set] the Remedy data to the pages and addresses displayed in the message, and [Save] them. (Cancel manu- ally the data setting during adjustment.) • Check the connection. • Install the power supply correctly. Camera System Adjustment screen DSC-T20/T25_ADJ 6-35...

  • Page 38: Service Mode

    The data displayed on the SeusEX screen are the data values at the time when the pages and addresses were set, and they are not updated automatically. To check the data change, click [Read] on the SeusEX screen and update the displayed data. Fig. 6-2-1 DSC-T20/T25_ADJ 6-36...

  • Page 39: Service Mode

    1 [To Menu] button The Main Menu screen comes back. 2 [Switch Check] button “SWITCH CHECK” screen appears. 3 [LED Check] button “LED CHECK” screen appears. 4 [Record Data] button “RECORD DATA” screen appears. 5 [Aging] button “AGING” screen appears. DSC-T20/T25_ADJ 6-37...
  • Page 40 Initializing method: Click the [Clear Shot Count] button on the screen, and the Life- Using method: time Count data will be initialized. LED ON or OFF can be controlled with [LED ON] or [LED OFF] button on the screen. DSC-T20/T25_ADJ 6-38...
  • Page 41 Memory Stick as default media. [Preparation] For the aging, set the camera as follows: Switch setting: 1) Flash button ..............Auto Home Items 1) Shooting ............Auto Adjustment 2) AF Mode (Settings - Shooting Settings - Shooting Settings 1) ..Single DSC-T20/T25_ADJ 6-39...
  • Page 42 “Count” display field. 7 Count display 6 Count display The number of recording times got by the [GET] button is dis- The number of recording times got by the [GET] button is dis- played. played. DSC-T20/T25_ADJ 6-40...
  • Page 43 The number of play back times got by the [GET] button is ing times is got from the counter in the camera. The result is displayed in the “Count” display field. displayed. 7 Count display The number of recording times got by the [GET] button is dis- played. DSC-T20/T25_ADJ 6-41...

  • Page 44: Data Backup

    2 [Data Read and Save] button Read the adjustment data from the camera and save them in PC as a file. 3 [Data Load and Write] button Load the adjustment data from the file saved in PC and write them to the camera. DSC-T20/T25_ADJ 6-42E...

  • Page 45: Revision History

    Reverse 985219551.pdf Revision History S.M. Rev. Ver. Date History Contents issued 2007.03 Official Release — — DSC-T20/T25_ADJ...

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