DOWNLOAD Sony DSC-TX20 (serv.man2) Service Manual ↓ Size: 5.58 MB | Pages: 36 in PDF or view online for FREE

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Opening/closing the battery/memory card cover or multi-connector cover may lead to degradation of the sealing gasket. We recommend that once 
a year you take the camera to your dealer, or to an authorized repair shop, to have the sealing gasket replaced for a fee.

Instruction manual recommends the periodic maintenance as shown above.
If there is the request for check, perform the procedure below.

Checking Items
•  Confirm that there is no air-leak.
•  Confirm that there is no strain on the exterior.
•  Confirm that there is not any dust on the BT lid and ML lid.
•  Replace the BTL packing and ML Packing.

1.  Remove the two fixed screws of ML Packing.

Screw

2.  Remove the packing, and confirm that there is no scratch such as defect on the ML Cover or ML Packing Fixed Plate.

Screw

ML Packing

3.  Install the new ML Packing. (also use the new screws)

Note: Be careful that there is no dust on the packing.

5.  Write the indicated value, leave for 1 minute, and check the pressure changes value is satisfied the following value by comparing between written 

indicated value and indicated value.

 

Specification value  0.45 kPa or less: OK

 

 

0.46 kPa or more: NG

Caution: Do not open the connector cover and the battery/memory card cover for two minutes after the leak test.

 

120 sec

60 sec

Measurement

Measure this changed value.
One minute later, it is OK
if the value within 0.45 kPa.

Measure between -0.0 to -10.0

-40.0 kPa

0 kPa

-45.0 kPa

-50.0 kPa

-0.0 kPa

FFF

-5.0 kPa

-10.0 kPa

Perform by following procedure
1.   Confirm that there are not any dust on the BT lid and ML lid.
 

          ↓

 

Confirm that there is not any dust on the vacuum pad.

 

          ↓

 

Cover the microphone hole so as not to damage the Microphone Sheet.

 

(Cover the microphone hole with silicon sheet for radiation(4-174-010-01 etc.) )

 

          ↓

 

Expand the suction time for 60 seconds, and perform the measurement again.

2.  Check the cabinet condition, and then perform the measurement again.
3.  If there is no improvement symptom, replace the cabinet (front) assy and the rear assy, and perform the measurement again

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Note: If the TP adhesive sheet is not removed after alcohol or ethanol was applied to the location specified in step 2, also apply it to the locations shown in the figure 

below.

 

3.  Insert a precision flat-blade screwdriver to generate a gap.
 

Apply alcohol or ethanol to the tip of the screwdriver.

 

Insert the screwdriver into the gap between the LCD assy and the rear assy and move the screwdriver slowly to detach the LCD assy.

 

Detach the LCD assy while removing the adhering TP adhesive sheet.

 

Note: The TP adhesive sheet is attached to the location shown in the figure below.
 

Do not insert a precision flat-blade screwdriver or the like beyond this location.

 

If it is inserted into inside the location, it may damage the LCD assy.

 

TP Adhesive Sheet

4.  Remove the TP adhesive sheet completely to clear the adhesion of the sheet.
 

Do not left the adhesive material.

1.  Remove the two fixed screws of BTL Packing.

 

Screws

2.  Remove the packing, and confirm that there is no scratch such as defect on the BTL Cover or BTL Packing Fixed Plate.

 

Screws

BTL Packing

3.  Install the new BTL Packing. (also use the new screws)

Note: Be careful that there is no dust on the packing.

Note: The LCD assy and the rear assy are fixed with double-sided adhesive tape.
 

Disassemble and assemble them according to the instructions.

1.  Remove the ornamental rear cabinet.
2.  To remove TP adhesive sheet (double-sided adhesive tape), apply alcohol or ethanol to the location shown in the figure.
 

Insert a precision flat-blade screwdriver (0.2 mm tip) or a spatula between the LCD assy and the rear assy, and apply alcohol or ethanol.

2mm

LCD

Cross-section

Touch Panel Glass

Cabinet (Rear) Assy

TP Adhesive Sheet 
(Double-sided
  adhesive tape)

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5.  Peel the new TP adhesive sheet off the base and attach it to the specified location of the rear assy.

 

6.  Pass the flexible cable of the LCD assy through the hole in the rear assy.

 

7.  Attach the LCD assy to the specified location of the rear cabinet assy.

Note:  Match the LCD assy accurately with the specified location and attach it tightly.

 

When you replace to the repairing board, the written destination data of repairing board also might be changed to original setting.
Start the Adjust Manual in the Adjust Station and execute the “DESTINATION DATA WRITE”.

When you replace to the repairing board, get the data from the former one.
Start the Adjust Manual in the Adjust Station and perform “RESTORE DATA” to get the data. 
The data getting for this model is as follows.

• USB SERIAL No.
• Angular Velocity Sensor Sensitivity adjustment
• AWB standard data input & check, Color reproduction check
• Strobe Adj

Note: When you cannot read data from the former replace the same time SY-333 board and lens.

PlayMemories Home has been written in internal memory.
SY-333 board for service is supplied with written the PlayMemories Home.

The set is shipped with a unique ID (USB Serial No.) written in it.
This ID has not been written in a new board for service, and therefore it must be entered after the board replacement.
Start the Adjust Manual in the Adjust Station and execute the “USB SERIAL No. INPUT”.

When you replace to the repairing board, write down the sensitivity displayed on the angular velocity sensor (SE001).
Start the Adjust Manual in the Adjust Station and execute the “Angular velocity sensor sensitivity adj”.

SY-333 BOARD (SIDE A)

SE001

PPP: PITCH sensor sensitivity
YYY: YAW sensor sensitivity

PPP

YYY

Note: The sensor sensitivity of SE001 of SY-333 board is written only repair parts.

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If the Destination Data file included in the Adjust manual is old, “DESTINATION DATA WRITE” cannot be executed in some cases.
In that case, download a new Destination Data file from the TISS homepage according to the following procedure.

Note 1:  To perform Destination Data Write for this model, the Adjust manual of the DSC-WX50 series must have been installed.
 

Install the Adjust manual of the DSC-WX50 series in advance.

Note 2:  The actual image may differ from the image shown above.

1)  If the Destination Data file in the Adjust manual in use is old, the window shown in Fig. 1 is displayed.
 

Click the [OK] button.

2)  The Destination Data Write window opens.
 

Check the version of the Destination Data file retained in the Adjust manual.

Destination Ver. window

3)  Search the model whose new Destination Data file you want to get on the TISS homepage.
 

When the Destination Data file has been updated, a file with a name “Destination File For ‘model name’.zip” is registered.

(Example) Destination File For DSC-WX50.zip

Furthermore, the version supported by the Destination Data file is shown in the Remarks column.

Note : If the Destination Data file has not been updated, contact the Service Headquarters.

 4)  Download the Destination Data file of the relevant model and unzip the file.

5)  Execute “DESTINATION DATA WRITE” in the Adjust tab of the Adjust manual.
 

Click the [START] button.