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2.4. Adjustment Procedure

2.4.1. +B Voltage

Item / preparation

1. Operate the TV set.

2. Set control as follows :

Brightness ........... minimum
Contrast ............... minimum

Adjustment procedure

1. Confirm the DC voltage at the indicated test points, as follows :

TPA 15 : 3.35 ± 0.2V
TPA 16 : 141 ± 2V
TPA 17 : 8.2 ± 0.3V
TPA 18 : 1.9 ± 0.2V
TPA19 : 5.2 ± 0.2V
TPA20 : 220 ± 15V

2.4.2. High Voltage

Item / preparation

1. Receive the crosshatch pattern.

2. Set to 0 Beam.

Screen VR .......... minimum
Contrast .............. minimum

Adjustment procedure

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Содержание TX-29FX20R

Страница 1: ...ORDER NO MTV0601420CE Colour Television TX 29FX20R GP41 Chassis SPECIFICATIONS Specifications 1 ...

Страница 2: ...eo In 1Vp p 75 Audio In Approx 0 5V 47k Monitor Out Video Out 1Vp p 75 Audio Out Approx 0 5V 1k Intermediate Frequency Video 38 0 MHz Sound 31 5 MHz D K K1 32 MHz I 32 5 MHz B G 33 5 MHz M Colour 33 57 MHz PAL 33 6 MHz SECAM 33 75 MHz SECAM 34 42 MHz NTSC High Voltage 31 0kV 1 0 at zero beam current Picture Tube A68LZU185X E 67 6cm 29 inches Measured diagonally 90 deflection Audio Output 16 0W Dim...

Страница 3: ...ry when working on high voltage equipment Always discharge the anode of the picture tube to the receiver chassis before handling the tube After servicing make the following leakage current checks to prevent the customer from being exposed to shock hazards 1 2 Leakage Current Cold Check 1 Unplug the AC cord and connect a jumper between the two prongs on the plug 2 Turn on the receiver s power switc...

Страница 4: ... important to use an accurate periodically calibrated high voltage meter 1 Set the brightness to minimum 2 Use the remocon to get into Service Mode 3 Measure the EHT The meter reading should indicate 31 0 1 0kV If the meter indication is out of tolerance immediate service and correction is required to prevent the possibility of premature component failure 4 To prevent the possibility X Radiation i...

Страница 5: ...so that X 0 247 0 005 nit 3 Adjustment G CUT OFF so that Y 0 273 0 005 nit Adjustment of High Light 1 Adjustment Sub Bright so that Y 150 nit 2 Adjustment R Drive so that X 0 261 0 003 nit 3 Adjustment B Drive so that Y 0 267 0 003 nit 2 3 Adjustment for CRT CUT OFF Preparation 1 Connect the oscilloscope probe to GREEN CATHODE on L Board 2 Screen VR min 3 Set the data Sub Bright Bright 4 In servic...

Страница 6: ...st minimum Adjustment procedure 1 Confirm the DC voltage at the indicated test points as follows TPA 15 3 35 0 2V TPA 16 141 2V TPA 17 8 2 0 3V TPA 18 1 9 0 2V TPA19 5 2 0 2V TPA20 220 15V 2 4 2 High Voltage Item preparation 1 Receive the crosshatch pattern 2 Set to 0 Beam Screen VR minimum Contrast minimum Adjustment procedure 6 ...

Страница 7: ... the picture tube by using an external degaussing coil 4 Apply a crosshatch pattern signal and adjust the static convergence magnets to the approximately correct position 5 Receive a black and white signal 6 Set the control as follows Red minimum Green minimum Blue minimum Press the Shipping button on the remote control twice to select CRT Adjustment Mode to select low light 7 Loosen the clamp scr...

Страница 8: ...ontrol to the maximum positions 2 Adjust Brightness until the grey position of the crosshatch pattern just becomes black 3 Adjust the Red and Blue line at the centre of the screen by rotating the R B static Fig 8 4 Adjust Red and Blue with Green line at centre of the screen by rotating RB G static convergence magnetic rings 5 Lock convergence magnets with silicone sealer 6 Remove the DY wedges and...

Страница 9: ... horizontally to obtain the good overall convergence Fig 9 7 Fix the Deflection Yoke by reinserting the DY wedges Refer to Fig 10 8 If purity error is found repeat Colour Purity adjustment Fig 10 Fig 11 9 ...

Страница 10: ... 11 2 The wedges should be set 120 apart from each other 3 Be certain that three wedges are firmly fixed and the Deflection Yoke is tightly clamped in place Otherwise the Deflection Yoke may shift its position and cause a loss of convergence and purity 3 Conductor Views 4 Schematic Diagram 10 ...

Страница 11: ...11 ...

Страница 12: ...4 1 A Board 4 1 1 A Board 1 5 4 1 2 A Board 2 5 4 1 3 A Board 3 5 4 1 4 A Board 4 5 4 1 5 A Board 5 5 4 2 L Board 4 2 1 L Board 1 3 4 2 2 L Board 2 3 4 2 3 L Board 3 3 4 3 G Board 12 ...

Страница 13: ...4 3 1 G Board 1 3 4 3 2 G Board 2 3 4 3 3 G Board 3 3 5 Parts Locations 6 Replacement Parts List 13 ...

Страница 14: ...111 POWER BUTTON TES4G214 SPRING POWER BUTTON TES4G406 COIL SPRING TES4G409 1 SPRING DOOR THT4G1011J SCREW SPEAKER THT4G10139 SCREW 6 TKP4G11744 AC CORD BRACKET 7 TKP4G13461 DOOR 8 TKU4GA1160 BACK COVER 9 TLCA005 CONVERGENCE YOKE 10 TLK4G9083X ROTATION COIL 11 TLK4G9100X DEGAUSSING COIL 12 TLY4G342T DEFLECTION YOKE 13 TMM4G503 RUBBER WEDGE TMM4G902 3 RUBBER WASHER NLA TNP4G314AT L BOARD NLA TNP4G3...

Страница 15: ...UF Z 50V C2312 ECJ2VC1H222J C 2200PF J 50V C2313 ECJ2VC1H222J C 2200PF J 50V C2314 F2A1E470A270 E 47UF 25V C2315 ECA1EM471B E 470UF 25V C2317 ECJ2VF1H104Z C 0 1UF Z 50V C2319 ECJ2VF1H104Z C 0 1UF Z 50V C2321 F1J1H102A018 E 1000UF 50V C2322 F1J1H102A018 E 1000UF 50V C2325 F2A1C470A310 E 47UF 16V C2326 F2A1C470A310 E 47UF 16V C253 ECEA1HN2R2U E 2 2UF 50V C254 F1J1H102A018 E 1000UF 50V C257 ECEA1HN2R...

Страница 16: ... E 470UF 16V C4852 ECUX1H101JCX C 100PF J 50V C502 ECKR3A821KBP C 820PF K 1KV C504 F1J1H681A590 C 680PF J 50V C507 ECJ2VF1C105Z C 1UF Z 16V C511 ECA1VM101B E 100UF 35V C512 F1B2H471A025 C 470PF 500V C513 F1B2H331A025 C 330PF 500V C514 F2A1E102A225 E 1000UF 25V C515 F1B2H331A025 C 330PF 500V C516 F2A1E102A225 E 1000UF 25V C519 F2A2C2210013 E 220UF 160V C520 F2A0J221A317 E 220UF 6 3V C552 ECA2EM100B...

Страница 17: ...C615 ECJ2VC1H100C C 10PF C 50V 17 ...

Страница 18: ... C652 ECJ2VF1H104Z C 0 1UF Z 50V C654 ECJ2VF1H104Z C 0 1UF Z 50V C655 ECJ2VF1H104Z C 0 1UF Z 50V C656 ECJ2VC1H270J C 27PF J 50V C657 ECJ2VC1H560J C 56PF J 50V C662 F2A0J101A317 E 100UF 6 3V C704 F1B2H471A025 C 470PF 500V C706 ECQM4222JZ P 2200PF 400V C818 ECQB1H104JF P 0 1UF 50V C821 ECKW3D681KBP C 680PF K 2KV C822 ECKCNA472ME7 C 4700PF M C824 F1A2E331A002 C 330PF M C825 F1A2E331A002 C 330PF M C82...

Страница 19: ... ECA1HHG100 E 10UF 50V C953 F1B1H103A013 C 0 01UF 50V C958 ECA2CM470B E 47UF 160V C959 F1B2H1030028 C 0 01UF 500V C960 F1A2H151A035 C 150PF 500V C961 F2A2A1000016 C 10UF 100V C962 F1B2H1030028 C 0 01UF 500V C963 F1A2H151A035 C 150PF 500V C964 ECA1CHG101 E 100UF 16V C965 ECA2CM220B E 22UF 160V C966 ECA1CHG101 E 100UF 16V C967 ECA1CM221B E 220UF 16V DIODES D1061 B3AGA0000089 DIODE D1132 B0BA3R800012...

Страница 20: ...D515 EU02 DIODE 20 ...

Страница 21: ...9 DIODE D867 B0AACK000004 DIODE D872 B0JAPK000011 DIODE D873 B0AACK000004 DIODE D876 B0AACK000004 DIODE D881 B0BA01500052 DIODE D882 B0BA01500052 DIODE D883 B0JAPK000013 DIODE D884 B0AACK000004 DIODE D887 B0AACK000004 DIODE INTEDGRATED CIRCUITS IC1101 TVR4GAS493 EEPROM IC IC2301 C0ZAZ0000164 IC IC351 TDA6108JF N1 IC IC451 AN15526A IC IC4850 AN15530B IC IC601 TVR4G19 5 FLASH MEMORY IC IC605 C0ZAZ00...

Страница 22: ...06 G0C100K00008 COIL L607 TALV35VB8R2K PEAKING COIL L608 G0C3R9KA0030 PEAKING COIL L609 J0JKB0000034 EMI FILTER L611 G0C100K00008 COIL L625 J0JKA0000038 BEAD CORE L630 TSK1032 BEAD CORE L635 TSK1032 BEAD CORE L657 EXC3BB221H CHIP BEAD CORE L705 ELC10D123E CHOKE COIL L842 J0JKA0000025 BEAD CORE L843 J0JKA0000038 BEAD CORE L845 J0JKA0000023 BEAD CORE L861 J0JKA0000038 BEAD CORE L862 J0JKA0000038 BEA...

Страница 23: ...Q305 B1ADDF000005 TRANSISTOR 23 ...

Страница 24: ...NSISTOR Q957 B1ADCE000012 TRANSISTOR Q958 2SD0601A0L TRANSISTOR RESISTORS R005 ERJ6GEYJ512 M 5 1KOHM J 1 10W R006 ERJ6GEYJ473 M 47KOHM J 1 10W R007 ERJ6GEYJ682 M 6 8KOHM J 1 10W R1041 ERJ6ENF2321 F 2 32KOHM 1 10W R1043 ERJ6ENF2211 F 2 21KOHM 1 10W R1044 ERJ6ENF3241 M3 24KOHM 1 10W R1045 ERJ6ENF5111 F 5 11KOHM 1 10W R1046 ERJ6ENF9091 M9 09KOHM 1 10W R1047 ERJ6ENF2152 M21 5KOHM 1 10W R1061 ERJ6GEYJ2...

Страница 25: ...R1150 ERJ6GEYJ101 M 100OHM J 1 10W 25 ...

Страница 26: ...M 1 10W R3011 ERJ6GEYJ750 M 75OHM 1 10W R302 ERJ6GEYJ103 M 10KOHM J 1 10W R3022 ERJ6GEYJ104 M 100KOHM J 1 10W R3024 ERJ6GEYJ104 M 100KOHM J 1 10W R3026 ERJ6GEYJ103 M 10KOHM J 1 10W R303 ERJ6GEYJ103 M 10KOHM J 1 10W R304 ERJ6GEYJ240 F 24OHM J 1 10W R305 ERJ6GEYJ240 F 24OHM J 1 10W R306 ERJ6GEYJ240 F 24OHM J 1 10W R307 ERJ6GEYJ681 M 680OHM J 1 10W R308 ERJ6GEYJ681 M 680OHM J 1 10W R309 ERJ6GEYJ681 M...

Страница 27: ...R347 ERJ6GEY0R00 M 0OHM J 1 10W 27 ...

Страница 28: ...1 10W R4850 ERG2FJ100H M 10OHM J 2W R4851 ERJ6GEYJ101 M 100OHM J 1 10W R4852 ERJ6GEYJ333 M 33KOHM J 1 10W R4853 ERJ6GEYJ243 M 24KOHM J 1 10W R4854 ERJ6GEYJ681 M 680OHM J 1 10W R4857 ERJ6GEYJ681 M 680OHM J 1 10W R4860 ERJ6GEYJ243 M 24KOHM J 1 10W R501 ERJ6GEYJ273 M 27KOHM J 1 10W R502 ERJ6GEYJ103 M 10KOHM J 1 10W R504 ERG2SJS332H M 3 3KOHM J 2W R507 ERDS2TJ561 C 560OHM J 1 4W R508 ERG3FJ821H M 820O...

Страница 29: ...R604 ERJ6GEYJ470 M 47OHM J 1 10W 29 ...

Страница 30: ...EYJ151 M 150OHM J 1 10W R636 ERJ6GEYJ101 M 100OHM J 1 10W R638 ERJ6GEY0R00 M 0OHM J 1 10W R640 ERJ6GEYJ471 M 470OHM J 1 10W R641 ERJ6GEY0R00 M 0OHM J 1 10W R643 ERJ6GEY0R00 M 0OHM J 1 10W R644 ERJ6GEYJ103 M 10KOHM J 1 10W R645 ERJ6GEYJ101 M 100OHM J 1 10W R646 ERJ6GEYJ183 M 18KOHM J 1 10W R647 ERJ6GEYJ750 M 75OHM 1 10W R650 ERJ6GEYJ472 M 4 7KOHM J 1 10W R656 ERJ6GEYJ823 M 82KOHM J 1 10W R658 ERDS2...

Страница 31: ...R831 ERDS2TJ682 C 6 8KOHM J 1 4W 31 ...

Страница 32: ...0KOHM 1 10W R877 ERJ6ENF5101 F 5 1KOHM J 1W R882 ERJ6GEYJ332 M 3 3KOHM J 1 10W R884 ERDS2TJ562 C 5 6KOHM J 1 4W R885 ERJ6GEYJ752 M 7 5KOHM J 1 10W R886 ERJ6GEYJ433 M 43KOHM J 1 10W R887 ERG1SJ273P M 27KOHM J 1W R888 ERJ6GEYJ103 M 10KOHM J 1 10W R889 ERX3FJ3R3H M 3 3OHM J 3W R893 ERJ6ENF5102 M 51KOHM 1 10W R894 ERJ6ENF1303 M 130KOHM 1 10W R918 ERQ1CJP331S F 330OHM J 1W R952 ERJ6GEYJ223 M 22KOHM J 1...

Страница 33: ...R977 ERJ6GEYJ561 M 560OHM J 1 10W 33 ...

Страница 34: ... 0OHM J 1 10W JA18 ERJ6GEY0R00 M 0OHM J 1 10W JA2 ERJ6GEY0R00 M 0OHM J 1 10W JA3 ERJ6GEY0R00 M 0OHM J 1 10W JA4 ERJ6GEY0R00 M 0OHM J 1 10W JA5 ERJ6GEY0R00 M 0OHM J 1 10W JA6 ERJ6GEY0R00 M 0OHM J 1 10W JA7 ERJ6GEY0R00 M 0OHM J 1 10W JA8 ERJ6GEY0R00 M 0OHM J 1 10W JA9 ERJ6GEY0R00 M 0OHM J 1 10W JK3002 K4BK10B00003 REAR AV TERMINAL JK3003 K4BK10B00004 REAR AV TERMINAL JK3203 K4BK14B00001 AV TERMINAL ...

Страница 35: ...RAD0000120 REMOCON RECEIVER RT1 K1KA03AA0190 CONNECTOR SC351 K3B09CA00014 CRT SOCKET SW1021 EVQ11G05R SWITCH SW1022 EVQ11G05R SWITCH SW1023 EVQ11G05R SWITCH SW1024 EVQ11G05R SWITCH SW1025 EVQ11G05R SWITCH SW1026 EVQ11G05R SWITCH SW850 ESB92DA1B SWITCH TU001 ENV59K15G3F TUNER X601 H0D202500007 CRYSTAL OSC XF101 J0C3525A0002 DELAY LINE 35 ...

Страница 36: ......

Страница 37: ...H G GEOMAGNETIC WOOFER AMP IC2401 PVP IC1801 R G B SCL SDA CVBS IN REAR INPUTS AV1 V L R AV 3 YUV V L R VCT IF IC601 V_IN CVBS OUT MON_OUT R G B R G B MON_OUT V L R EEPROM IC1101 VM SCL SDA A_IN IF H A AUDIO OUT V SPEAKER AUDIO AMP IC2301 V OUT H OUT TUNER FRONT INPUTS AV2 V L R PP 29 models PIP models ...

Страница 38: ... 1B 2B 3B 4B 5B 6B 7B ...

Страница 39: ... 1A 2A 3A 4A 5A 6A 7A 1B 2B 3B 4B 5B 6B 7B ...

Страница 40: ... 1A 2A 3A 4A 5A 6A 7A ...

Страница 41: ... 1D 2D 3D 4D 5D 6D 7D 8D 9D ...

Страница 42: ... 1C 2C 3C 4C 5C 6C 7C 8C 9C 1D 2D 3D 4D 5D 6D 7D 8D 9D ...

Страница 43: ... 1B 2B 3B 4B 5B 6B 7B 8B 9B 1C 2C 3C 4C 5C 6C 7C 8C 9C ...

Страница 44: ... 1A 2A 3A 4A 5A 6A 7A 8A 9A 1B 2B 3B 4B 5B 6B 7B 8B 9B ...

Страница 45: ... 1A 2A 3A 4A 5A 6A 7A 8A 9A ...

Страница 46: ... 1B 2B 3B 4B 5B 6B 7B ...

Страница 47: ... 1A 2A 3A 4A 5A 6A 7A 1B 2B 3B 4B 5B 6B 7B ...

Страница 48: ... 1A 2A 3A 4A 5A 6A 7A ...

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