Noblex 21TC663F, Service Manual

Page 1: ... M N N NTSC M M Channel Coverage Antenna mode VHF CH02 CH13 UHF CH14 CH69 CATV mode VHF band CH01 CH13 Mid band CH14 CH22 Super band CH23 CH36 Hyper band CH37 CH64 Ultra band CH65 CH94 and CH100 CH125 Low mid band CH95 CH99 Video IF 45 75MHz Aerial Input Impedance 75Ω Ext Terminals Video input Phono jack 2 1Vp p 75Ω Audio input Phono jack R L 2 436mVrms more than 40KΩ Video monitor output Phono ja...

Page 2: ...ceiver is the picture tube The picture tube is specially con structed to limit X RADIATION emissions For continued X RADIATION protection the replacement tube must be the same type as the original including suffix letter Excessive high voltage may produce potentially hazardous X RADIATION To avoid such hazards the high voltage must be maintained within specified limit Refer to this ser vice manual...

Page 3: ...R G B K1921 12 8 AC POWER CIRCUIT CONVERTER TRANS 130V MAIN HIGH 20V AUDIO 12V MAIN LOW 24V VERT 9V IC202 REG IC 5V 2 REG IC IC681 5VRC 27 23 HORIZ OUT FBT VERT OUT HORIZ OUT AUDIO RIGHT AUDIO LEFT HEADPHONE JACK Q901 CRT MEMORY 5 6 MTS DECODER AUDIO CONTROL SW IIC BUS CONTROL WITH PLL FILTER IF VIDEO CHROMA DEFLECTION DEFLECTION YOKE 2 R L 15 C CAPTION IN 40 SELECTED VIDEO OUT EXT L IN AV1 EXT R ...

Page 4: ...CH KEY SWITCH IN RC PRE AMP RC SIGNAL IN RELAY ON OFF OUT FOR DEGAUSSING ON HIGH LED ON TIMER LED OUT ON LOW IC3401 MTS POWER ON OFF OUT GREEN LED RED POWER CIRCUIT SDA SCL A101 TUNER IC201 IF VIDEO CHROMA DEFLECTION CIRCUIT POWER CIRCUIT etc AFT S CURVE IN C CAPTION IN OSD BLK OUT OSD RED OUT OSD GREEN OUT OSD BLUE OUT HORIZ SYNC IN VERT SYNC IN POWER PROTECT IN POWER ERROR LOW STANDBY LOW 26 IC1...

Page 5: ...LMP V C VCC 5V 46 47 48 49 50 A2C PLL 51 52 53 54 Audio Output FM Output Selected Audio Output PIF AGC RF AGC Output PIF Input1 PIF Input 2 IF Ground IF Vcc FM Filter AFT Output Bus Data Bus Clock ABL Red Input Green Input Blue Input Fast Blanking Input RGB Vcc Red Output Green Output Blue Output fsc output or C Sync output Vertical Output Ramp ALC Filter Horizontal BUS Vcc Horizontal Output Horiz...

Page 6: ... 3bit Amp 54 10p SIF In Sound BPF VCO Coil VCO COIL1 VCO COIL2 48 49 VIF VCO Chroma Counter B N INV IF Ident OSC C D Amp SIF Sys 2bit pre scaller SIF VCO 500K BPF SIF APC Filter 1K 0 01u 1000p 53 LIM AMP FM Det FM Level 5bit Chroma C D APC Det 500K Det To BUS Chroma VCO VIF Counter Reset Pulse VCO Ident VIF Sys 2bit Phase Detector A MUTE 1bit VOLUME D A VOLUME Filter A SW 1bit Input Select VOLUME ...

Page 7: ...EL INPUT 43 44 TREBLE OUT R 41 47 TREBLE FILTER L 45 2 BASS FILTER L 40 SURRTC 38 TVOUT R 39 TVOUT L 36 37 AUX2 L Left channel external input FEXT2 INPUT PIN OF L R SIGNALFROM MAIN OUT PIN9 6dB WIDEBAND STEREO NOISE SAP PONRES ATT ATTSW BASS FILTER R Stereo block PLL loop filter integrating pin Pilot cancel circuit loop filter intergrating pin Audio multiplexing signal input AUX2 R Right channel e...

Page 8: ...ked and some bus data should be set up before attempting the service adjustments See pages 9 10 for detailed information Initial Bus Data Setup Note When IC802 EEPROM is replaced following Service Menu should be set up for proper TV operation before attempting the service adjustments NO 01 RFAGC Adjust the data 06 to10 NO 82 CHMT Adjust the data 12 to 05 NO 308 R08 Adjust the data FF to 21 NO 05 V...

Page 9: ...Level 26 B YND 0 16 15 Difference value of NTSC B Y DC Level 27 R YND 0 16 15 Difference value of NTSC R Y DC Level 28 G YA 00 00 01 G Y Angle 29 RBGB 08 00 15 R Y B Y Gain Balance 30 RBAG 08 00 15 R Y B Y Angle 31 G YAN 00 00 01 Difference value of NTSC G Y Angle 32 RBGBN 0 8 7 Difference value of NTSC R Y B Y Gain Balance 33 RBABN 0 8 7 Difference value of NTSC R Y B Y Angle 34 COGV 01 00 03 Cor...

Page 10: ...00 01 H lock V Det RF 72 HLK V 00 00 01 H lock V Det AV 73 VCO SW 00 00 01 C VCO Adjustment SW 74 VCOADJ 03 00 03 C VCO Adjustment 75 GRAY 00 00 01 Gray Mode 76 CROSS 00 00 03 Cross Black White 77 HL SW 01 00 01 Half Tone ON OFF 78 HL TON 00 00 03 Half Tone Level 79 AVNCON 64 00 127 Contrast No Signal in AV 80 AVNBRI 64 00 127 Brightness No Signal in AV 81 POMT 12 08 00 127 Power Mute Time 82 CHMT...

Page 11: ...ntrast to maximum 3 Select Item No 04 V SIZ in the service mode 4 Change value to be optimum vertical size 5 Exit from the service mode 1 Receive a monochrome circular pattern 2 Set the brightness and contrast to normal 3 Select Item No 12 OSDHP in the service mode 4 Change value to be proper OSD position 5 Exit from the service mode 1 Tune receiver to a caption channel 2 Check that CAPTION positi...

Page 12: ...oper grey scale tracking at all brightness levels NOTE If the grey scale adjustment is made after picture tube replacement check the high voltage Items 16 23 GREY SCALE Service Adjustments Red Bias Red Bias Green Bias Blue Bias Red Drive Blue Drive Blue Drive Green Bias Blue Bias Press the MENU button to exit from service mode Red Drive E E B 3 3 T471 H1 T471 H2 T471 H4 T471 H5 T471 H6 T471 H7 T47...

Page 13: ... Mode INPUT LEVEL 08 HI SEPARATION 21 LOW SEPARATION 34 ADJUST CHOOSE EXIT MENU 3 Exit from the Service Menu Press the MENU button to turn off the Service Menu display The data which is set in the service mode is stored into the memory IC automatically Entering the Service Menu Service Adjustment Exit from the Service Menu Cursor Cursor Cursor Cursor 2 Service Adjustments Press the Cursor or CHANN...

Page 14: ...button 1 Connect an oscilloscope Probe A to TP 317 pin 38 of IC3401 and the ground Probe B to TP 318 pin 39 of IC3401 and the ground 2 Turn on the TV set and receive the multi sound programme 3 Press and hold the MENU button on the TV set and press 3 button on the remote control transmitter to enter the service mode 4 Select LOW SEPARATION by pressing the CHANNEL UP DOWN button on the remote contr...

Page 15: ... the 4 or MENU button on the remote control unit The Service Menu now appear 2 Service Adjustments Press and hold the Cursor or VOLUME button on the remote control handset or TV set to make fine tuning adjustment Press and hold the button for higher frequency tuning and press and hold the for lower frequency tuning Entering the Service Menu Service Adjustment 6 Select HI SEPARATION by pressing the...

Page 16: ...it s gap must be more than 5mm to prevent sparks HORIZ WIDTH AND HIGH VOLTAGE CHECK 1 Receive the monochrome circular pattern 2 Set the brightness to normal and contrast to maximum 3 Adjust the focus control on the F B T for the best focus on the screen centre FOCUS ADJUSTMENT FOCUS VR Upper side This TV set has a built in power supply protection circuit It is provided to protect the TV set in cas...

Page 17: ...olours to check this use bias controls Readjust the yoke position if necessary until all screens are pure 7 Adjust each Bias control and screen control to obtain white raster Refer to Gray Scale Adjustment If part of the picture screen is coloured adjust the Deflection Yoke position forward or backward slightly 8 Tighten the mounting screw of the Deflection Yoke Adjust Convergence next CENTRE CONV...

Page 18: ...610 319 2741 CABINET BACK C7SA 7 610 318 1417 LABEL RATING C7SA 8 645 072 9799 ASSY REMOCON JXMTG 9 610 297 9879 RC BATTERY LID JXMTA 10 645 004 3925 ANTENNA CONVERTER 645 005 0251 ANTENNA CONVERTER 610 319 1881 INSTRUCTION MANUAL C7SA Key No Part No Description Key No Part No Description Note Parts order must contain Service Ref No Part No and descriptions R L AV1 INPUT VIDEO MONITOR OUT VIDEO AU...

Page 19: ...uld be considered when a component replacement is made in any area of a receiver Components indicated by a mark in this parts list and the circuit diagram show components whose value have special significance to product safety It is particularly recommended that only parts specified on the following parts list be used for components replacement pointed out by the mark Note Parts order must contain...

Page 20: ... T146 R 405 014 4618 TR 2SC2412K T146 S 405 015 8724 TR 2SC2812 L6 TB 405 015 8922 TR 2SC2812 L7 TB 405 163 1612 TR 2SC2812N L6 TB0 405 163 1711 TR 2SC2812N L7 TB0 405 173 9813 TR 2SC3928A1R 405 173 9912 TR 2SC3928A1S Q681 405 011 8411 TR 2SC1740S TP Q 405 011 8510 TR 2SC1740S TP R 405 011 8619 TR 2SC1740S TP S 405 012 2012 TR 2SC1815 GR TPE2 405 012 2111 TR 2SC1815 O TPE2 405 012 2319 TR 2SC1815 ...

Page 21: ...55 2131 CERAMIC 1500P K 50V C172 403 215 2231 CERAMIC 0 01U K 50V C174 403 157 1934 CERAMIC 10P D 50V C1902 403 050 2810 ELECT 22U M 50V 404 087 5406 ELECT 22U M 50V C201 403 086 2617 NP ELECT 1U M 50V C202 403 058 2634 POLYESTER 0 015U J 50V 403 179 3217 POLYESTER 0 015U J 50V C203 403 215 2231 CERAMIC 0 01U K 50V C204 403 049 4224 ELECT 10U M 50V 404 084 8905 ELECT 10U M 50V C205 403 049 4224 EL...

Page 22: ...2 ELECT 2200U M 16V C644 403 046 1602 ELECT 3 3U M 25V 404 084 9100 ELECT 3 3U M 50V C651 404 074 9103 ELECT 220U M 160V C652 403 052 8523 ELECT 1000U M 35V 404 088 6709 ELECT 1000U M 35V C654 403 046 8037 ELECT 3300U M 25V C655 403 247 5023 CERAMIC 470P K 1K 403 269 1829 CERAMIC 470P K 1K C656 403 222 1323 CERAMIC 1000P K 1K 403 271 9622 CERAMIC 1000P K 1K C657 403 247 5023 CERAMIC 470P K 1K 403 ...

Page 23: ...K FA 1 16W R289 401 105 0425 MT GLAZE 100 JA 1 16W R291 401 068 2013 OXIDE MT 4 7 JA 2W R3401 401 105 2726 MT GLAZE 220 JA 1 16W R3402 401 105 2726 MT GLAZE 220 JA 1 16W R3406 401 105 0732 MT GLAZE 100K JA 1 16W R3407 401 105 8025 MT GLAZE 1M JA 1 16W R3411 401 236 4323 MT GLAZE 62K FA 1 16W R3412 401 105 7939 MT GLAZE 0 000 ZA 1 16W R3421 401 105 4136 MT GLAZE 3 3K JA 1 16W R3422 401 105 3723 MT ...

Page 24: ...720 CARBON 100 JA 1 6W R869 401 024 6720 CARBON 100 JA 1 6W R870 401 105 2934 MT GLAZE 22K JA 1 16W R871 401 105 0633 MT GLAZE 10K JA 1 16W R872 401 105 3436 MT GLAZE 27K JA 1 16W R873 401 105 4235 MT GLAZE 33K JA 1 16W R875 401 105 0633 MT GLAZE 10K JA 1 16W R876 401 105 2132 MT GLAZE 18K JA 1 16W R877 401 105 6021 MT GLAZE 5 6K JA 1 16W R881 401 105 4136 MT GLAZE 3 3K JA 1 16W R882 401 105 4136 ...

Page 25: ...7 DIODE 1SS355 TE 17 D693 407 013 4326 DIODE 1S2076A TD 407 013 7109 DIODE 1S2473 407 012 4416 DIODE 1SS133 T 77 408 009 3204 DIODE 1N4148 TP D694 407 149 0817 DIODE 1SS355 TE 17 D801 407 206 5618 ZENER DIODE UDZS TE 1710B D802 407 206 5618 ZENER DIODE UDZS TE 1710B D803 407 206 5618 ZENER DIODE UDZS TE 1710B D804 407 206 5618 ZENER DIODE UDZS TE 1710B D805 407 206 5618 ZENER DIODE UDZS TE 1710B D...

Page 26: ...806 ELECT 1U M 50V C751 403 044 1743 ELECT 470U M 16V 404 084 8301 ELECT 470U M 16V RESISTOR R701 401 105 2726 MT GLAZE 220 JA 1 16W R703 401 105 5222 MT GLAZE 470 JA 1 16W R704 401 065 4911 OXIDE MT 12K JA 2W R705 401 009 1528 CARBON 2 7K JA 1 2W R711 401 105 2726 MT GLAZE 220 JA 1 16W R713 401 105 5222 MT GLAZE 470 JA 1 16W R714 401 065 4911 OXIDE MT 12K JA 2W R715 401 009 1528 CARBON 2 7K JA 1 ...

Page 27: ... 27 ...

Page 28: ...Nov 04 NOBLEX ...

Page 29: ... 2400030 2400030 2400030 2400010 4A250VTW 4A250VTS 4A250VT J20B00100 J20B0120J J20B00100 J20B0120J 275GM0 068XB 250GM0 068XBJ 250GM0 068XF 275GM0 068VB 1 2DJ220K X F1BAM0340 400KM1000LBZC 250KK1000XH 250KM1000XN 400KK1000X 2400010 2400010 7WK3 9 K V LBXAL RM11C ERC05 10B 400EM270 XB XM VCT XH 1000KK 1000 CBB HB X 2400010 2400010 J X X X X X DHXAA EV0070 25EM470 25EM470 J12B05400 B4J12B00200 B4J12B...

Page 30: ...55 J151 JP004 JP001 R042 L838 L837 L842 L841 JP501 R602 H5 R602 H6 R602 H7 R602 H8 JP488 JP487 JP486 C486A JW6 JW7 R650 JP476 R449A T471 H11 T471 H3 D650 K1002A C352 D639 R639 R487 R670 JP006 JP005 R041 KX J154 C3414 JW5 C609 H2 C426A A1901 L441 J102 J156 JP007 J158 C420A H1 J161 D519 R658 C1902 C691 VR651 J163 D003 J135 J164 T611A 1 3 1 3 T611B J165 J167 J166 J168 C3411 C226 TP B JP658 C227 AUDIO...