akira CT-21FD9 Series Service Manual Download | Manualshive

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Summary of Contents for CT-21FD9 Series

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 21FD9CP_21FD9M 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 1F F FD D D9 9 9 CHASSIS H704V MODEL CT 21FD9CP CT 21FD9M ...

Page 3: ... 4 2 GENERAL INSTRUCTIONS 6 3 SPECIFICATIONS 9 4 INSTRUCTION MANUAL 11 5 TROUBLESHOOTING 21 6 BLOCK DIAGRAM 27 7 THE METHOD OF ADJUSTMENT FOR CHASSIS 28 8 IC DESCRIPTION 32 9 EXPLODED VIEW 37 10 SCHEMETIC DIAGRAM 39 11 PRINTED CIRCUIT BOARD 41 12 REPLACEMENT PARTS LIST 43 ...

Page 4: ...set to the customer always perform an AC leakage current check on the exposed metallic parts of the cabinet such as antennas terminals screw heads metal overlays control shafts etc To be sure the set is safe to operate without danger of electrical shock Plug the AC line cord directly onto an 110 220V AC outlet Use an AC voltmeter having 500 ohms per volt or more sensitivity in the following manner...

Page 5: ...d its Supplements Electrical components having such features are identified by shading on the schematic diagram and the part list Before replacing any of these components read the parts list in this manual carefully The use of substitute replacement parts which do not have same safety characteristics as specified in the parts list may create shock fire or other hazards 1 2 SERVICE NOTES 1 When rep...

Page 6: ...ntrols to provide only a green rather 4 Loosen the clamp screw holding the yoke and slide the yoke backward to provide vertical green belt zone in the picture screen 5 Remote the Rubber Wedges 6 Rotate and spread the tabs of the purity magnet See figure 3 around the neck of the picture tube until the green belt is in the center of the screen At the same time center the raster vertically 7 Move the...

Page 7: ...he angle between them See figure 3 and superimpose red and blue vertical lines in the center area of the picture screen 4 Turn both tabs at the same time keep in their angles constant to superimpose red and blue horizontal lines at the center of the screen See figure 4 5 Adjust two tabs of 6 Pole Magnets to superimpose red blue line with green one Adjusting the angle affects the vertical lines and...

Page 8: ...en picture tube arid the yoke to hold the yoke temporarily 4 Place other wedge into bottom space arid remove the cover paper to stick 5 Tilt the front of the yoke right or left to obtain better convergence in circumference See figure 4 6 Hold the yoke position arid put another wedge in upper space remove cover paper and stick the wedges recheck overall convergence 7 Detach the temporarily mounted ...

Page 9: ...9 Model No CT 21FD9CP_21FD9M Version 1 0 3 SPECIFICATIONS ...

Page 10: ...10 Model No CT 21FD9CP_21FD9M Version 1 0 ...

Page 11: ...uction in this guide We recommend that you read it before turning on your TV for the first time 4 1 VHF ANTENNA or CABLE HOOK UP At first insert the lead of rod antenna into antenna adapter And connect antenna adapter to tuner jack This antenna will provide an excellent picture in most areas For the best picture quality adjust the length and position of antenna ...

Page 12: ...front of TV then press any BUTTON on the PANEL or REMOTE CONTROLLER 4 2 2 To turn off the TV press POWER BUTTON on the PANEL or REMOTE CONTROLLER 4 3 TO SELECT CHANNEL You can select the channels with CHANNEL NUMBER buttons or CHANNEL UP DOWN button 4 3 1 TO SELECT CHANNEL DIRECTLY Press the channel number you want with the number buttons You can select 0 99 channels ...

Page 13: ... VOLUME To increase or decrease the volume press the VOLUME UP DOWN buttons on the PANEL or REMOTE CONTROLLER 4 5 OTHER FUNCTIONS 4 5 1 QUICK VIEW FUNCTION If you want to go back to the previously viewed channel press the QUICK VIEW button 4 5 2 SLEEP FUNCTION Press the SLEEP button to set the timer from 30 to 120 minutes Each time you press the SLEEP button changes of time as follows ...

Page 14: ...lect TV VIDEO 1 and VIDEO 2 mode To select VIDEO 1 mode press TV AV button once and press twice for Video 2 mode The icon below will appear on the right top of the screen 4 5 5 FUZZY FUNCTION Users can select a combination of picture control That includes a combination of contrast brightness sharpness color and tint These combinations are classified as three steps Normal 1 Normal 2 Favourite Each ...

Page 15: ...you can press the OK button just one time during the one minute 4 6 MENU FUNCTION If you press the MENU button six items will appear on the screen as following Press again the MENU button Then the display will return to the original screen 4 6 1 PICTURE 1 Press Menu 2 Press CH UP DOWN to select PICTURE item and press O K 3 Then four items will appear as following on the screen 4 Press CH UP DOWN t...

Page 16: ...s VOL UP DOWN then OSD changes from OFF to ON You can hear different sound of many broadcasting stations as regular valued sound through this function Equalizer Higher resolution is possible in a gain step of about 1 8 dB With positive equalizer settings internal clipping may occur even with overall volume less than 0 dB This will lead to a clipped output signal Therefore it is not recommended to ...

Page 17: ... value 6 Press the 0 9 buttons 7 And press OK to set the time you changed 8 To change other items repeat steps from 4 to 7 9 Press MENU to return to the MENU screen 4 6 4 LANGUAGE Select your language 1 Press Menu 2 Press CH UP DOWN to select Language item and press O K 3 Then nine languages appear as following on the screen 4 Press CH UP DOWN to select the language you want to use 5 To change to ...

Page 18: ...to change 5 And press Yellow button to skip YES skip channel NO Memory channel 6 To skip other channels repeat step 4 and 5 7 Press MENU to return to the MENU screen To change channel memory 1 Delete To delete a channel from the memory press the green button and after a few seconds the selected channel will be deleted from the list and sent to the end of the list The blank is automatically filled ...

Page 19: ...rmal size 5 SUB PAGE ACCESS First select the TELETEXT alarm page or TELETEXT page containing sub pages Press the SUB key and then four asterisks will be displayed on the screen Now enter the sub page number required using keys 0 9 on the transmitter Press this key again to return to initial status 6 REVEAL Press REVEAL key to reveal hidden words e q quiz pages will hide the answers Press the key a...

Page 20: ... 21FD9CP_21FD9M Version 1 0 10 RED GRE YEL CYN KEYS These four keys are coloured cord to correspond to the differently coloured subjects in TTX mode press the menu Adjust the volume and contrast in the MENU function ...

Page 21: ...21 Model No CT 21FD9CP_21FD9M Version 1 0 5 TROUBLESHOOTING 5 1 NO POWER NOT WORKING SMPS ...

Page 22: ...22 Model No CT 21FD9CP_21FD9M Version 1 0 5 2 NO RASTER PICTURE ...

Page 23: ...23 Model No CT 21FD9CP_21FD9M Version 1 0 5 3 NO VERTICAL DEFLECTION 5 4 NO TELETEXT ...

Page 24: ...24 Model No CT 21FD9CP_21FD9M Version 1 0 5 5 NO SOUND STEREO ...

Page 25: ...25 Model No CT 21FD9CP_21FD9M Version 1 0 5 6 DON T CATCH CHANNEL ...

Page 26: ...26 Model No CT 21FD9CP_21FD9M Version 1 0 5 7 NO SOUND MONO ...

Page 27: ...27 Model No CT 21FD9CP_21FD9M Version 1 0 6 BLOCK DIAGRAM ...

Page 28: ...tect to auto power off after no signal 15 minutes and auto power on for input power of sets on off by line condition which sometimes line power connection of palette with main power line would be badly contacted by shaking during the sets through on assembly lines Heat run function is operated by pressing the f4 key To cancel this function press the power key on off It must be canceled before fina...

Page 29: ...R H CENTER F2 Receive the video no signal Select the SERVICE mode by pressing CH UP DOWN key Make the horizontal line by pressing VOL UP DOWN key Adjust the SCREEN till horizontal line is just disappeared 7 2 SCREEN SERVICE ADJUSTMENT F3 Receive a black and white pattern or white balance adjusting pattern Before attempting white balance adjustment the receiver should be operating for at least 15mi...

Page 30: ...he vol up down key AGC is arranged automatically Confirmation of the strong signal 7 6 AGC ADJUSTMENT F1 key It be cleared all user control to initial for all output sets will be same user control condition It need after final inspection then power on auto tuning automatically CHECK SUM password remocon key display mute sleep fuzzy timer To memory MASTER ROM MULTI EEPROM MEMORY Adjust the value ch...

Page 31: ...31 Model No CT 21FD9CP_21FD9M Version 1 0 LANGUAGE TTX OPTION Select the Character set mode LANGUAGE ...

Page 32: ...32 Model No CT 21FD9CP_21FD9M Version 1 0 8 IC DESCRIPTION 8 1 SDA555XFL ...

Page 33: ...33 Model No CT 21FD9CP_21FD9M Version 1 0 8 2 POWER IC I801 STR G6653 Function of Terminal Other Functions ...

Page 34: ...34 Model No CT 21FD9CP_21FD9M Version 1 0 8 3 SOUND AMP IC I603 I604 TDA1905 8 4 VERTICAL IC I301 LA7841K ...

Page 35: ...35 Model No CT 21FD9CP_21FD9M Version 1 0 8 5 MAIN IC I102 NN5198N ...

Page 36: ...36 Model No CT 21FD9CP_21FD9M Version 1 0 8 6 STZRZO IC I602 ...

Page 37: ...37 Model No CT 21FD9CP_21FD9M Version 1 0 9 EXPLODED VIEW ...

Page 38: ...38 Model No CT 21FD9CP_21FD9M Version 1 0 ...

Page 39: ...39 Model No CT 21FD9CP_21FD9M Version 1 0 10 SCHEMETIC DIAGRAM ...

Page 40: ...40 Model No CT 21FD9CP_21FD9M Version 1 0 ...

Page 41: ...41 Model No CT 21FD9CP_21FD9M Version 1 0 11 PRINTED CIRCUIT BOARD ...

Page 42: ...42 Model No CT 21FD9CP_21FD9M Version 1 0 ...

Page 43: ...43 Model No CT 21FD9CP_21FD9M Version 1 0 12 REPLACEMENT PARTS LIST ...

Page 44: ...44 Model No CT 21FD9CP_21FD9M Version 1 0 ...

Page 45: ...45 Model No CT 21FD9CP_21FD9M Version 1 0 ...

Page 46: ...46 Model No CT 21FD9CP_21FD9M Version 1 0 ...

Page 47: ...47 Model No CT 21FD9CP_21FD9M Version 1 0 ...

Page 48: ...48 Model No CT 21FD9CP_21FD9M Version 1 0 ...

Page 49: ...49 Model No CT 21FD9CP_21FD9M Version 1 0 ...

Page 50: ...50 Model No CT 21FD9CP_21FD9M Version 1 0 ...

Page 51: ...51 Model No CT 21FD9CP_21FD9M Version 1 0 ...

Page 52: ...52 Model No CT 21FD9CP_21FD9M Version 1 0 ...

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