DSC-TX20_L2
1-6
– ENGLISH –
1-5. PERIODIC MAINTENANCE
1-5-1. Periodic Maintenance
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.
1-5-2. Replacing the 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
Vacuum by hand pump
Stop hand pump
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
Air
pressure
-0.0 kPa
FFF
-5.0 kPa
-10.0 kPa
Indicated
value
1-4-3. In The Case of Inspection Result NG
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
