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Sansui SJC24FH-ZMA, Руководство по обслуживанию

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Note: the values of R gain, G gain, B gain can’t be more than the brightest values that get in the eighth 
step. 
 
4.4.10 Adjust black-balance calibration 
Procedure: 
Input 20% or 25% white signal, adjust R off, G off, B off until the color temperature meets demand. 
Note: the values of R off, G off, B off can’t be less than the blackest values that get in the sixth step. 
 
4.4.11 Adjust brightness and black-balance calibration again and again until them meet demand. Then 
according picture character and demand, do fine tune. Input 100% gray step signal, measure parameter 
and do fine tune again. Then measure values again, the parameter of every gray should meet demand. 
 
4.5.1 Upgrade software instruction 
1

）

Upgrade Tool connection method 

 

 

2

）

USB connect to upgrade board and computer,4PIN CABLE connect to upgrade tool board and 

mainboard. 

 

 

Содержание SJC24FH-ZMA

Страница 1: ...Service Manual Model Name LEDTVSJC24FH ZMA ...

Страница 2: ...M54200 1 set 6 USB Mass Storage Device Only be used in sets with USB function 1 set 7 Remote controller with factory keys 1 set 8 AV VGA YPbPr YCbCr HDMI Signal line etc 1 set 9 Burner such as all 11 or BeeProg 1 set 4 Test item and method Test items Equipments Requirements Procedure and SPEC 1 M B Voltage confirmation Digital Multimeter Please refer to appendix 4 1 4 2 4 3 if there is abnormal ph...

Страница 3: ...annels such as making adjustments please note that the adjusted R G B values should not be that much difference 8 Color temperature adjustment and white balance calibration This adjustment is getting better can not do Auto Color action a AV 1 Color temperature adjustment 2 Brightness and black balance calibration TV Signal Generator Color Signal Analyzer Input gray step signal 100 1 Enter factory ...

Страница 4: ...enu Check whether the pictures normal or not and snowflake points come forth in no signal background It would enter standby state in 5 minutes if no signal inputs 2 Check Auto Search Manual Search etc right or not 10 AV check DVD Video cable Play DVD Set DVD to interlace progress output Screen is clear and fluent Audio checks if the output is normal 11 YCbCr 480I 576I DVD Component Cable 720p 1080...

Страница 5: ...generator See whether it will show PASS or not 16 Earphone Output function check Earphone DVD TV or play DVD IN 1 Plug in the earphone the main speaker silent the sound of headphone normal Press VOL Audio checks if the output is normal 2 Unplug the earphone the main speaker sound normal 17 USB check Only be used in sets with USB function USB Mass Storage Device Images audio video text files 1 Sele...

Страница 6: ...he main board C912 no short circuit 4 The resistance of 5VA output on the main board C390 no short circuit 5 The resistance of 3 3Vstb output on the main board C47 no short circuit 6 The resistance of 1 8V_DDR2 output of the main board U27 Pin2 no short circuit 7 The resistance of 1 26V output of the main board C395 no short circuit 8 The resistance of Tuner5V output of the mainboard U28 Pin2 No s...

Страница 7: ...B gain R off B off G off adjust G gain to find the brightest point Procedure Input 100 white signal increase G gain until the bright don t change This is the brightest point For the default may be the brightest value the bright don t change even increase default In this case first decrease G gain until the bright get down then increase it 4 4 5 Then set R gain G gain B gain R off G off B off to th...

Страница 8: ...n the blackest values that get in the sixth step 4 4 11 Adjust brightness and black balance calibration again and again until them meet demand Then according picture character and demand do fine tune Input 100 gray step signal measure parameter and do fine tune again Then measure values again the parameter of every gray should meet demand 4 5 1 Upgrade software instruction 1 Upgrade Tool connectio...

Страница 9: ... click Config burning tools are set as shown 4 Pitch on the Connect check if the connection is available If shown the following dialog box it means hardware connection is successful Otherwise it means hardware connection failure ...

Страница 10: ...6 Pitch on the Auto menu setup the tool as following picture Then click the Run serial minutes it will show PASS that means update is successful if show Error means the update failure Please pitch on the Run button once again do not need to cut off ...

Страница 11: ...nect to upgrade board and computer 4PIN CABLE connect to upgrade tool board and main board STEP 1 Open the HDCP KEY tool ISP_ToolV1 04 exe click Connect If shown the following dialog box it means hardware connection is successful Otherwise it means hardware connection failure ...

Страница 12: ...Click HDCP choose the 009000 bin file Make sure the HDCP Key Allocation is and then type 0x3B0000 in the blank Click lock the At last click Run F8 it will start burning 2 Serial minutes it will show PASS that means burning is successful otherwise please pitch on the Run F8 button once again do not need to cut off ...

Страница 13: ...control to set the item to ON to enter the aging state 3 Press EXIT button to exit the factory menu and TV enters the aging status at once At this point Screen Saver function is closed TV will not enter into standby mode automatically if no signal inputs 4 Enter the factory menu set the Burn In item to OFF press EXIT button again and TV will exit the aging state If Screen Saver is On and no signal...

Страница 14: ...Step4 Go to software Update USB and Press ok Button Step5 Select YES with the help of Navigation Key Step6 Wait till Software upgrade 100 After complete upgrade set will get Off and automatic ON Step7 Again enter into Factory setting with step3 Step8 Go to the Reset and with the help of Navigation key reset the set Step9 Set will automatic standby and will get ON Step10 Software updates Complete ...

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