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10. SCHEMETIC DIAGRAM

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Содержание CT-21FD9M

Страница 1: ...ICATIONS 6 4 INSTRUCTION MANUAL 8 5 TROUBLESHOOTING 18 6 BLOCK DIAGRAM 24 7 THE METHOD OF ADJUSTMENT FOR CHASSIS 25 8 IC DESCRIPTION 29 9 EXPLODED VIEW 34 10 SCHEMETIC DIAGRAM 35 11 PRINTED CIRCUIT BO...

Страница 2: ...rts 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...

Страница 3: ...ectrical 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...

Страница 4: ...her 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 purit...

Страница 5: ...igure 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 line...

Страница 6: ...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 circumferen...

Страница 7: ...PUT RCA JACK MONITOR OUT RCA JACK CATHODE RAY TUBE 5 5 WATTS MAX 8 OHM 5W 2EA 1 GENERAL 2 ELECT RICAL 1 MODEL NO 2 CHASSIS NO 3 TUNING SYSTEM 1 CCIR STANDARD 2 COLOR STANDARD 3 ANT INPUT 4 TUNER 5 REC...

Страница 8: ...EN SAT OPTION SCAN SAT OPTION SCREEN SAT OPTION R G B Y TTX OPTION NO SIGNAL AUTO POWER OFF AFTER 15 MINUTES WHITE BALANCE CONTROL SERVICE KEY FOR FACTORY LANGUAGE MULTI FUZZY PICTURE CONTROL NOMAL1 N...

Страница 9: ...lumination will not fall directly on the TV screen When you place your COLOR TV don t forget to leave an interval of at least 10cm from the wall to prevent overheating POWER Insert the power cord plug...

Страница 10: ...O TURN ON OFF THE TV SET 1 1 To turn on the TV press MAIN POWER BUTTON on the front of TV then press any BUTTON on the PANEL or REMOTE CONTROLLER 1 2 To turn off the TV press POWER BUTTON on the PANEL...

Страница 11: ...ase 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...

Страница 12: ...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 comb...

Страница 13: ...ther items repeat step 4 and 5 7 Press MENU to return to the MENU screen 4 5 7 Timer FUNCTION You can see the current time 4 5 8 SOUND FUNCTION STEREO MODEL ONLY You can select MONO STEREO and DUAL 1...

Страница 14: ...s CH UP DOWN to select the item you want to adjust 5 And press VOL UP DOWN to adjust the item s value 6 To adjust other items repeat steps 4 and 5 7 Press MENU to return to the MENU screen ITEM Press...

Страница 15: ...TV on at the set time Off timer To turn your TV off at the set time Activate Yes or No select by VOL UP DOWN Wake up prog To turn your TV on at the set channel Timer Clock Wake up time Off timer Acti...

Страница 16: ...nels 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 cha...

Страница 17: ...reen unless at an earlier exit from TELETEXT at the same program another page was requested in the page memory When called in TELETEXT sub mode this command is interpreted as a rest 2 PAGE UP DOWN Pag...

Страница 18: ...e next button to stop the hold 8 MIX Press MIX button to superimpose TELETEXT picture into TV display Press this button again then the screen go back to TELETEXT mode 9 CANCEL When searching for a TEL...

Страница 19: ...KING SMPS CHECK THE VOLTAGE OF C804 CHECK THE VOLTAGE AT PIN4 OF STR6653 CHECK REPLACE F801 D801 L801 R802 CHECK REPLACE R803 D802 R837 R803A ONLY DC CHECK REPLACE I801 STR6653 AND THE SECONDARY PART...

Страница 20: ...RETRACE LINE IS VISIBLE CHECK THE WAVEFORM AT PIN42 OF I102 SCREEN IS BLACK 0V NG CHECK THE HEATER VOLTAGE CHECK REPLACE Q401 Q402 CHECK THE WAVEFORM AT PIN 10 11 12 OF I102 NO CHECK REPLACE Q561 Q562...

Страница 21: ...AGE AT PIN6 OF I301 CHECK REPLACE D402 R17 CHECK THE WAVEFORM AT PIN46 OF I102 CHECK REPLACE I102 CHECK REPLACE I301 D301 0V YES 25V NO CHECK THE WAVEFORM AT PIN12 OF I701 CHECK THE WAVEFORM AT PIN36...

Страница 22: ...PLACE D807 CHECK THE WAVEFORM AT PIN24 25 OF I602 CHECK THE SCL SDA AT PIN8 7 OF I602 0V NO YES 16V CHECK REPLACE I701 CHECK THE VOLTAGE AT PIN6 16 46 OF I602 NO YES CHECK REPLACE I401 I402 CHECK REPL...

Страница 23: ...E D101 DZ 33B R810 D805 CHECK THE VOLTAGE AT PIN6 OF TUNER 5V CHECK THE SCL SDA OF TUNER 0V 5V 0V 33V CHECK THE WAVEFORM AT PIN15 OF I701 AFT WHEN SEARCHING CHECK REPLACE I701 I702 YES NO CHECK REPLAC...

Страница 24: ...SOUND IC CHECK REPLACE D807 CHECK THE WAVEFORM AT PIN5 OF IM601 CHECK THE WAVEFORM AT PIN30 OF I102 0V NO YES 16V CHECK REPLACE I102 CHECK THE WAVEFORM AT PIN51 OF I701 NO YES CHECK REPLACE I701 IM601...

Страница 25: ...24 6 BLOCK DIAGRAM...

Страница 26: ...r 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...

Страница 27: ...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 ADJUSTM...

Страница 28: ...NT 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 re...

Страница 29: ...st Europe German English Skandinavian ltalian French Icelandic Spain Portugeses Turkish Latin East Europe Polish Czech Romanian Hungarin Solvenian Croatian lettish Lithuanian Estonian Cyrillic Cyrilli...

Страница 30: ...33 32 31 30 29 28 27 SDA SCL LED VDD 2 5V VSS VDD 3 3V CVBS VDD 2 5V VSSA AFT AGC KEY IN1 KEY IN2 HS SSC VS ODD EVEN IR IN VOLUME SAT S SW F SW RESET MSP NTSC H PAL SW AUDIO MUTE VDD 3 3V VSS VDD 2 5V...

Страница 31: ...erminal MOS FET source 3 GND Ground terminal Ground 4 VIN Power supply terminal Input of power supply for control circuit 5 O C P F B Overcurrent Feedback terminal Input of overcurrent detection signa...

Страница 32: ...31 8 3 SOUND AMP IC I603 I604 TDA1905 8 4 VERTICAL IC I301 LA7841K...

Страница 33: ...32 8 5 MAIN IC I102 NN5198N...

Страница 34: ...33 8 6 STZRZO IC I602...

Страница 35: ...9 EXPLODED VIEW...

Страница 36: ......

Страница 37: ...10 SCHEMETIC DIAGRAM...

Страница 38: ......

Страница 39: ...11 PRINTED CIRCUIT BOARD...

Страница 40: ......

Страница 41: ...EA C271 C272 C715 C807 C826 CS03 CS08 17 C1B1H101KT C CERAMIC AXL UP050 B 100pF K 7 EA C102 C103 C110 C154 C253 C254 C349 18 C1B1H151KT C CERAMIC AXL UP050 B 150pF K 2 EA C136 C143 19 C1B1H471KT C CER...

Страница 42: ...2 EA C609 C610 44 CSS1H228MT C ELECTRO 50V 0 22uF RSS 3 EA C112 C129 C151 45 CSS1H478MT C ELECTRO 50V 0 47uF RSS 3 EA C120 C123 C130 46 CSS1H101MT C ELECTRO 50V 100uF RSS 1 EA C311 47 CSS1H100MT C EL...

Страница 43: ...5024502 CONNECTOR ASSY 2P 450 YMH251 110REC SH 1 EA W603A 73 4W45034502 CONNECTOR ASSY 3P 450 YMH251 110REC SH NC 1 EA W602A 74 4W42053500 CONNECTOR ASSY 5P 350 YMH251 35022 SHIELD 1 EA WS2A 75 4W4208...

Страница 44: ...FR 8000 4 2 mL M0003 100 33313IR410 FLUX SOLDER IR 410M 0 01 Kg M0004 101 33313RT400 FLUX SOLVENT RT 400 0 01 Kg M0005 102 5NJ41BSP3M FUSE CLIP BSP3 M T0 45SN5 2 EA F802 103 5NS364A004 FUSE SEMKO VDE...

Страница 45: ...EA JAV1 131 5CJ5311S00 PHONE JACK YSC03P 4120 11S 1 EA JAV4 132 8N81162N00 POLY BAG M LDPE T0 06x165x260 0 13 EA M0603 133 8N811SKN01 POLY BAG PCB LDPE T0 04x350x410 MAIN 1 EA M0602 134 5CR5111801 PO...

Страница 46: ...LM 1 6W 13 J 1 EA R120 158 RDD1500JNT R CARBON FILM 1 6W 150 J 5 EA R101 R102 R564 R565 R566 159 RDD1503JNT R CARBON FILM 1 6W 150K J 1 EA R116 160 RDD1502JNT R CARBON FILM 1 6W 15K J 3 EA R114 R423 R...

Страница 47: ...RS11601JBT R MOX FILM 1W 1 6K J 1 EA R819 185 RS14702JBT R MOX FILM 1W 47K J 1 EA R810 186 RS21R00JBN R MOX FILM 2W 1 J 1 EA R405 187 RS215R0JBN R MOX FILM 2W 15 J 1 EA R417 188 RS21502JBN R MOX FILM...

Страница 48: ...2 SW703A SW704A SW705 SW706A 213 33320DA100 TIE CABLE DA 100 5 EA M0A 214 T2N7000 T TR FET 2N7000 2 EA Q706 Q707 215 T2SD2499 N TR NPN 2SD2499 1 EA Q402 216 TKSC2330YT TR NPN KSC2330 Y 1 EA Q401 217 T...

Страница 49: ...7 J666 J667 J668 J669 J670 J672 J674 J675 J682 J683 J685 J689 J76 J80 J89 J90 J98 R705A 233 4NWJP100DT WIRE COPPER AWG22 1 0 65 TIN COATING 25 EA J13 J148 J27 J421 J436 J444 J478 J519 J520 J524 J526 J...

Страница 50: ...ANUAL ASSEMBLY A SC562 5CJ61SH04S CRT SOCKET ISHS04S 1 12 PCB AMIN MANUAL ASSEMBLY C C404 CPP3C622JD C MYLAR PP 1 6KV 6200pF J 1 C404 CPP3C752JD C MYLAR PP 1 6KV 7500pF J 1 13 PCB MAIN MANUAL ASSEMBLY...

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