DOWNLOAD Panasonic PT-TX300U / PT-TX300E / PT-TX300EA / PT-TW240U / PT-TW240E / PT-TW240EA / PT-TW330U / PT-TW330E / PT-TW330EA (serv.man2) Service Manual ↓ Size: 10 MB | Pages: 92 in PDF or view online for FREE

PT-TX300 / PT-TW240 / PT-TW330 series

4-1

- Temperature: 15°C~35°C
- Circumstance brightness: Normal environment

- Screen size: 60''

- Display mode: ECO mode

After repairing each unit,a Ru

n-in test is necessary (refer to the below table).

Symptom

Run-in Time

Normal repair

2 hours

NFF

4 hours

Auto shutdown

6 hours

- Get into Burn-In Mode

Press Power >Left >Right >Menu buttons sequentially on remote controller or on the top panel 
to get into service mode.
Choose Burn-In Test >Menu
Lamp On

Press right key to adjust the time (60)

Lamp Off

Press right key to adjust the time (10)

Set burn in cycle

Press right key to adjust the cycle

After setting up the time,choose “

Enter Burn-In Mode” and press "Menu".

The projector will start testing.

PT-TX300 / PT-TW240 / PT-TW330 series

4-2

Check item

Check point

Firmware version 

All firmware version must be the latest version

Cosmetic

Cosmetic can not be broken

Logo

Missing logo, missing prints and blurry prints are
unacceptable

Lamp cover

It should be locked in the correct place.

Keypad

All keypad buttons must operate smoothly

After final QC step, we have to erase all saved change again and restore the OSD  
    default setting.The following actions will allow you to erase all end-users' settings and    
    restore the default settings:

  (1) Please enter OSD menu.

  (2) Choose "Settings" and then execute "Reset" function

PT-TX300 / PT-TW240 / PT-TW330 series

4-3

 

(240/255)White    

/(15/255)Black

Procedure 

 

- Test equipment: video generator 

(1) Test signal: 1024 x 768@60Hz (PT-TX300)
1280 x 800@60Hz (PT-TW240/
                                                                                              PT-TW330)
(2) Test Pattern: (240/255)white/(15/255)Black
 

 

- Note

                                     (1) Calibration pattern should be in full screen mode.

                                     (2)  

Press Power > Left >Right > Menu buttons 
sequentially on remote controller or on the top 
panel to get into service mode.Choose “ADC                 
Calibration” from the service mode menu.

Inspection item  

- Check if there is lines or noise on the screen.

 

 

-  Horizontal and vertical position of the video should be 

adjustable to the screen frame.

Criteria 

 

-  If there is noise on the screen, the product is consid-

ered as failure product.

 

 

- The screen appears normal, it shouldn’t appear    

 

 

  any abnormal condition,such as lines and so on.

- Check if the projection is same as monitor displayed.

PT-TX300 / PT-TW240 / PT-TW330 series

4-4

After replacing Lamp driver,main board,blower or  

upgrade firmware,please follow steps as below:

1. Plug in power cord.

2. Press and hold the [Up] button and then press the  
    [Power]  button once.                   

3. Release the [Up] button after the [Temp] LED begins  

flashing.

4. After a moment , the projector will turn on automatically.

5.Wait a moment, enter the Service Mode by pressing the  
    buttons sequentially as follows;

Power > Left >Right > Menu

6. Select “Factory Fan RPM” on the service menu and

press “Menu” button.The picture A as shown on the

right will appear.Check that the value of “Factory RPM”
is within the range as listed below;

 

PT-TW240 : 1800 

〜 2950

 

PT-TX300/PT-TW330 : 3900 

〜 5950