akira CT-21NI9 Service Manual Download | Manualshive

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Summary of Contents for CT-21NI9

Page 1: ...C C Co o ol l lo o ou u ur r r T T TV V V S S Se e er r rv v vi i ic c ce e e M M Ma a an n nu u ua a al l l ...

Page 2: ...2 Model No CT 21NI9R Version 1 0 M M Mo o od d de e el l l G G Gr r ro o ou u up p p C C CT T T 2 2 21 1 1N N NI I I9 9 9 CHASSIS 3S10 MODEL CT 21NI9R ...

Page 3: ...3 Model No CT 21NI9R Version 1 0 CONTENT SPECIFICATIONS 4 X RAY RADIATION PRECAUTION 5 SAFETY PRECAUTION 5 PRODUCT SAFETY NOTICE 5 ALIGNMENT INSTRUCTION 6 CIRCUIT DIAGRAM 13 ...

Page 4: ... PAL SECAM NTSC P B CP PAL NTSC P B Picture Tube 54 cm 21 diagonal Ext Antenna 75 Ohm Coaxial Cable Ext In Out Audio Video in out Speakers 3W x 2 Volts A AC 100 260V 50 60Hz R N CP AC 150 260V 50 60Hz Power Consumption 21 80W Dimension 21 602 W x 488 D x 457 H mm Net Weigh 21 25 kg REMOTE CONTROL Transmitting System Infra red Power Supply DC 3V 1 5Vx2 ...

Page 5: ...service to avoid possible shock hazard 2 Always discharge the picture tube anode to the CRT conductive coating before handling the picture tube The picture tube is highly evacuated and if broken glass fragment will be violently expelled Use shatter proof goggles and keep picture tube away from the unprotected body while handling 3 When replacing a chassis in the cabinet always be certain that all ...

Page 6: ...l adjusted automatically if the character OK appears at the bottom of screen If OK can not appear automatically please fine tune LC238 and re try again e The following adjustment is suitable for TV sets with SECAM L L system Set TV signal Generator to output a 34 4MHz Signal set TV set to VHF L band Press AV button after picking out VCO Coarse L1 or VCO Fine L1 by PROG buttons The VCO of SECAM L s...

Page 7: ...e by pressing PP button b Adjust the FOCUS knob of FBT to get a most clear picture 5 3 White Balance Adjust Receive black white pattern PAL SYSTEM a Set picture to Standard statue adjust white balance equipment to get 2cd m2 at low brightness and 100cd m2 at high brightness b Enter white balance adjust mode of factory mode Two probes of white balance equipment close up the low brightness and high ...

Page 8: ... using VOL buttons until tint is best 5 8 Set Picture s Standard Data 1 Adjust brightness contrast colour to the best mode you think Standard should be 2 Enter white balance adjust mode then press S MODE key MCU will store current brightness contrast colour data into Standard 5 9 Apr Threshold Adjust It is at the item of white balance adjustment menu Apr means Automatic RGB Peak Regulation It is u...

Page 9: ...SS FORT NICAM 0 1 OFF ON HIGH GAIN TUNER 0 1 SAFE X RAY PROTECT ON OFF 0 1 OFF ON CUT OFF LOOP RESERVE 0 1 OFF ON INTER CARRIER QSS WITHOUT NICAM Option 2 b7 b6 b5 b4 b3 b2 b1 b0 0 1 OFF ON CORING WHEN PEAKING 0 1 OFF ON AUTO FLESH WHEN NTSC 0 1 OFF ON BLACK STRETCH 0 1 ON OFF APR 0 1 OFF ON COLOR 6Db RESERVE 0 1 TWO LANGUAGE ONE LANGUAGE OSD Option 3 b7 b6 b5 b4 b3 b2 b1 b0 0 1 TDA7449 TDA7439 0 ...

Page 10: ...SH SERBIAN LETTISH FARSI_LAT_Twist MCU2 0 ENGLISH FRENCH SWEDISH TURKISH GERMAN PORTUGUESE ITALIAN RUMANIAN 1 ENGLISH CYR2_LAT_Twist SWEDISH CZECH GERMAN CYR3_LAT_Twist ITALIAN RUMANIAN 2 POLISH FRENCH SWEDISH CZECH GERMAN SERBIAN LETTISH RUMANIAN 3 POLISH CYR2_LAT_Twist ESTONIAN TURKISH GERMAN CYR3_LAT_Twist LETTISH RUMANIAN Notes CYR2_LAT_Twist Russian Swedish Swedish Hungarian Czech Czech Slova...

Page 11: ...st item of white balance adjustment mode is used to set LOGO there are most 12 characters to select Use PROG VOL buttons to change character The highest bit means LOGO characters number it can be set among 1 2 3 4 5 6 789ABC Note The data of the above adjustment is written into IC002 24C08EEPROM IC002 used on the product line must be well written data If use a blank EEPROM the interior data are se...

Page 12: ...rvice out of factory IC002 must be re adjusted before being used in assembly line In factory we can set one chip of EEPROM as a model first and copy it to others Procedure for 3S10 Chassis Only for reference 1 Touch up line a B voltage adjust b VCO adjust c IF trap adjust for NTSC M system This can be done in FA line according to your option We can adjust LC101 to get perfect NTSC M system picture...

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