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2 Service Hints

2.1. How to move chassis into service position

 1. Remove 9 screws.

 2. Draw out Main Chassis.

 3. Stand the Main Chassis.

5

TX-29E220T

Summary of Contents for TX-29E220T

Page 1: ...equency 38 0 MHz Video 31 5 MHz D K 32 5 MHz B G 32 0 MHz I 32 5 MHz M 2005 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law TX 29E220T GP2 Chassis Sound 33 57 MHz PAL Colour 33 6 MHz SECAM 34 42 MHz NTSC 33 75 MHz SECAM Video Audio Terminals AV 1 2 3 4 S Video In Y 1 Vp p 75Ω C 0 3 Vp p 75Ω DVD Y 1 0Vp p 75Ω PB 0 7Vp p 75Ω PR 0 ...

Page 2: ...w to move chassis into service position 5 3 Market Mode Function 6 4 Adjustment Procedure 7 4 1 Adjustment Procedure 7 4 2 Colour Purity 8 4 3 Convergence 8 4 4 White Balance Market Mode CHK 4 9 4 5 Adjustment of CRT VRS 10 5 Conductor Views 11 6 Schematic Diagrams 12 6 1 Schematic Diagram for GP2 Chassis 12 6 2 D Board 14 6 3 G Board 21 6 4 L Board 24 6 5 A Board 28 7 Parts Location 35 8 Replacem...

Page 3: ...c When the exposed metallic part has a return path to the chassis the reading should be between 4MΩ Ω Ω Ω and 20MΩ Ω Ω Ω When the exposed metal does not have a return path to the chassis the reading must be zero 1 3 Leakage Current Hot Check See Fig 1 1 Plug the AC cord directly into the AC outlet Do not use an isolation transformer for this check 2 Connect a 2 kΩ 10 W resistor in series with an e...

Page 4: ...CVBS OUT V H Y U V Y U V V H MON OUT Y U V R G B EW H BLK R G B V DDP IC1701 CVBS SIF MONITOR OUT SIF A IN MON OUT L OUT R OUT L R PRIMARY LIFE CCT T849 SW TRAN IC853 3 3V 2 5V IC880 9V IC852 5V IC856 3 3V MICON IC1101 BLK R G B SCL SDA EPROM IR EXT ROM TXT CVBS MSP Audio Amp L R GEOMAGNETIC V OUT H OUT VM 4 TX 29E220T ...

Page 5: ...2 Service Hints 2 1 How to move chassis into service position 1 Remove 9 screws 2 Draw out Main Chassis 3 Stand the Main Chassis 5 TX 29E220T ...

Page 6: ...CALL Button on the remote control and the VOLUME DOWN button the TV set 2 Selection of Service Mode Press green button to select for adjustment mode to adjust press yellow or blue button 3 Set to normal mode Press the volume down button on front control together press the off timer button on remote control a Service 1 H Pos 33 V pos 19 H Pos 17 V Amp 6 Ew AMP 6 Lower Corner 20 Trapez 1 2 Upper Cor...

Page 7: ...ltage Item preparation 1 Receive the crosshatch pattern 2 Set to 0 Beam Screen VR minimum Contrast minimum Adjustment procedure 1 Connect a DC voltage meter to TPD 2 and confirm the B voltage is 144 8 1V 2 Connect a high frequency voltmeter to heater and confirm that voltage reads 6 3 0 24 VRMS 3 Normalize the brightness and contrast 4 1 4 NTSC TINT COLOUR Item preparation 1 Connect oscilloscope p...

Page 8: ... 8 Slowly press the Deflection Yoke and set it where a uniform green field is obtained 9 Adjust roughly the Low Light controls and make sure that a uniform white field is obtained 10 Tighten the clamp screw 4 3 Convergence 1 Apply a crosshatch pattern signal and set Contrast control to the maximum position 2 Adjust Bright control to obtain a clear pattern 3 Adjust Red and Blue line at center of th...

Page 9: ...adjust the G CUTOFF setting in the following procedure 4 Adjust the remaining R and B CUTOFF controls so as to get a white horizontal line on the screen 5 Return to full field SCAN by pushing the position 5 key on the remote control 6 Adjust the R Drive and B Drive controls as to obtain a uniform white on the white bar of the greyscale pattern 7 Confirm correct B W rendition and greyscale tracking...

Page 10: ...magnets are top position VRS Mag Set VRS Mg that 2 magnets are horizontal position only 21 25 29 3 Set geomagnetic corection DAC AS IN TABLE 1 ADJUSTMENT 1 Receive the white balance pattern 2 Adjust V CENTER 3 Set R B CUT OFF to minimum and set G CUT OFF to center 4 Receive the aging pattern 5 Set 2 magnet of vertical position to up and down equally so that center part of CRT Fig 4 10 TX 29E220T ...

Page 11: ...5 Conductor Views 11 TX 29E220T ...

Page 12: ...6 Schematic Diagrams 6 1 Schematic Diagram for GP2 Chassis 12 TX 29E220T ...

Page 13: ...13 TX 29E220T ...

Page 14: ...6 2 D Board 6 2 1 D Board 1 7 1A 2A 3A 4A 5A 6A 7A 8A 14 TX 29E220T ...

Page 15: ...6 2 2 D Board 2 7 1A 2A 3A 4A 5A 6A 7A 8A 1B 2B 3B 4B 5B 6B 7B 8B 15 TX 29E220T ...

Page 16: ...6 2 3 D Board 3 7 1B 2B 3B 4B 5B 6B 7B 8B 1C 2C 3C 4C 5C 6C 7C 8C 16 TX 29E220T ...

Page 17: ...6 2 4 D Board 4 7 1C 2C 3C 4C 5C 6C 7C 8C 1D 2D 3D 4D 5D 6D 7D 8D 17 TX 29E220T ...

Page 18: ...6 2 5 D Board 5 7 1D 2D 3D 4D 5D 6D 7D 8D 1E 2E 3E 4E 5E 6E 7E 8E 18 TX 29E220T ...

Page 19: ...6 2 6 D Board 6 7 1E 2E 3E 4E 5E 6E 7E 8E 1F 2F 3F 4F 5F 6F 7F 8F 19 TX 29E220T ...

Page 20: ...6 2 7 D Board 7 7 1F 2F 3F 4F 5F 6F 7F 8F 20 TX 29E220T ...

Page 21: ...6 3 G Board 6 3 1 G Board 1 3 1A 2A 3A 4A 5A 6A 7A 8A 21 TX 29E220T ...

Page 22: ...6 3 2 G Board 2 3 1A 2A 3A 4A 5A 6A 7A 8A 1B 2B 3B 4B 5B 6B 7B 8B 22 TX 29E220T ...

Page 23: ...6 3 3 G Board 3 3 1B 2B 3B 4B 5B 6B 7B 8B 23 TX 29E220T ...

Page 24: ...6 4 L Board 6 4 1 L Board 1 4 1A 2A 3A 4A 5A 6A 7A 8A 24 TX 29E220T ...

Page 25: ...6 4 2 L Board 2 4 1A 2A 3A 4A 5A 6A 7A 8A 1B 2B 3B 4B 5B 6B 7B 8B 25 TX 29E220T ...

Page 26: ...6 4 3 L Board 3 4 1B 2B 3B 4B 5B 6B 7B 8B 1C 2C 3C 4C 5C 6C 26 TX 29E220T ...

Page 27: ...6 4 4 L Board 4 4 1C 2C 3C 4C 5C 6C 27 TX 29E220T ...

Page 28: ...6 5 A Board 6 5 1 A Board 1 7 1A 2A 3A 4A 5A 6A 7A 8A 28 TX 29E220T ...

Page 29: ...6 5 2 A Board 2 7 1A 2A 3A 4A 5A 6A 7A 8A 1B 2B 3B 4B 5B 6B 7B 8B 29 TX 29E220T ...

Page 30: ...6 5 3 A Board 3 7 1B 2B 3B 4B 5B 6B 7B 8B 1C 2C 3C 4C 5C 6C 7C 8C 30 TX 29E220T ...

Page 31: ...6 5 4 A Board 4 7 1C 2C 3C 4C 5C 6C 7C 8C 1D 2D 3D 4D 5D 6D 7D 8D 31 TX 29E220T ...

Page 32: ...6 5 5 A Board 5 7 1D 2D 3D 4D 5D 6D 7D 8D 1E 2E 3E 4E 5E 6E 7E 8E 32 TX 29E220T ...

Page 33: ...6 5 6 A Board 6 7 1E 2E 3E 4E 5E 6E 7E 8E 1F 2F 3F 4F 5F 6F 7F 8F 33 TX 29E220T ...

Page 34: ...6 5 7 A Board 7 7 1F 2F 3F 4F 5F 6F 7F 8F 34 TX 29E220T ...

Page 35: ...7 Parts Location 35 TX 29E220T ...

Page 36: ...8 Replacement Parts List 36 TX 29E220T ...

Page 37: ...emarks C125 ECJ2VC1H331J C 330PF J 50V C126 ECJ2VC1H561J C 560PF J 50V C130 ECJ2VB1H103K C 0 01UF K 50V C131 ECJ2VB1C104K C 0 1UF K 16V C137 ECJ2VC1H560K C 56PF K 50V C138 ECJ2VC1H560K C 56PF K 50V C1501 ECJ2VC1H150J C 15PF J 50V C1502 ECJ2VC1H150J C 15PF J 50V C1503 ECJ2VF1E104Z C 0 1UF Z 25V C1504 ECJ1VF1H104Z C 0 1UF Z 50V C1505 ECJ1VF1H104Z C 0 1UF Z 50V C1506 ECJ2VF1E104Z C 0 1UF Z 25V C1507 ...

Page 38: ...1H221J C 220PF J 50V C2055 ECJ2VC1H221J C 220PF J 50V C2056 ECA1CM470B E 47UF 16V C2057 ECA1CM470B E 47UF 16V Ref No Part No Part Name Description Remarks C2060 ECJ2VF1C334Z C 0 33UF Z 16V C2061 ECJ2VF1C334Z C 0 33UF Z 16V C2062 ECJ2VC1H221J C 220PF J 50V C2063 ECJ2VC1H221J C 220PF J 50V C2361 F2A1V1020042 E 1000UF 35V C2362 F2A1V1020042 E 1000UF 35V C2363 ECJ2VC1H102J C 1000PF J 50V C2364 ECJ2VC1...

Page 39: ... 220UF 16V C818 F1B1H103A013 C 0 01UF 50V C820 F2B2G5610003 E 560UF 400V C821 ECA1HM010B E 1UF 50V C822 ECJ2VB1H103K C 0 01UF K 50V C823 ECA1HM100B E 10UF 50V C824 ECJ2VB1H221K C 220PF K 50V C825 ECJ2VB1H471K C 470PF K 50V Ref No Part No Part Name Description Remarks C826 ECKW3D681KBP C 680PF K 2KV C827 ECQM4103RJZ P 0 01UF 400V C828 ECKW3D331JBR C 330PF J 2KV C830 ECKCNA152ME7 C 1500PF M C835 F0A...

Page 40: ...88 IC IC1106 C0EBE0000388 IC IC1108 C0ZBZ0000893 IC IC1501 C1AB00002065 IC IC1502 C0CBAAG00020 IC POWER SUPPLY IC1505 C1AB00002021 IC IC1701 C1AB00001986 IC IC2001 C1AB00001987 IC IC251 C1BA00000381 IC IC3001 C1AB00002370 IC IC351 C1AA00000325 IC IC361 C1AA00000325 IC IC371 C1AA00000325 IC IC451 C1AA00000689 IC IC4801 PUB4301 TRANSISTOR ARRAY IC4802 AN6564NS LINEAR IC IC801 C0EAS0000026 IC IC820 C...

Page 41: ...J6GEYJ102 M 1KOHM J 1 10W R1018 ERJ6GEYJ472 M 4 7KOHM J 1 10W R102 ERJ6GEYJ101 M 100OHM J 1 10W R103 ERJ6GEYJ221 M 220OHM J 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 R110 ERJ6GEYJ101 M 100OHM J 1 10W R1100 ERJ6GEYJ102 M 1KOHM J 1 10W R1101 ERJ3GEYJ101 M 100OHM J 1 16W R1102 ERJ3GEYJ103 M 10KOHM J ...

Page 42: ...R00 M 0OHM J 1 10W R1514 ERJ3GEYJ101 M 100OHM J 1 16W R1515 ERJ3GEY0R00 M 0OHM J 1 16W Ref No Part No Part Name Description Remarks R1516 ERJ3GEYJ101 M 100OHM J 1 16W R1519 ERJ6GEYJ101 M 100OHM J 1 10W R1522 ERJ6ENF75R0 M 75OHM 1 10W R1523 ERJ6ENF75R0 M 75OHM 1 10W R1528 ERJ3GEY0R00 M 0OHM J 1 16W R1540 ERJ3GEYJ101 M 100OHM J 1 16W R1548 ERJ6GEY0R00 M 0OHM J 1 10W R1549 ERJ3GEY0R00 M 0OHM J 1 16W ...

Page 43: ...0R00 M 0OHM J 1 10W R3023 ERJ6ENF75R0 M 75OHM 1 10W R3024 ERJ6GEY0R00 M 0OHM J 1 10W R3025 ERJ6GEY0R00 M 0OHM J 1 10W Ref No Part No Part Name Description Remarks R3027 ERJ6GEY0R00 M 0OHM J 1 10W R3030 ERJ6GEYJ103 M 10KOHM J 1 10W R3031 ERJ6GEYJ103 M 10KOHM J 1 10W R3032 ERJ6GEYJ102 M 1KOHM J 1 10W R3033 ERJ6GEYJ102 M 1KOHM J 1 10W R3034 ERJ6ENF75R0 M 75OHM 1 10W R3035 ERJ6ENF75R0 M 75OHM 1 10W R3...

Page 44: ...OHM J 1 10W R465 ERJ6GEYJ751 M 750OHM J 1 10W R467 ERJ6GEY0R00 M 0OHM J 1 10W R4803 ERX12SJ2R7E M 2 7OHM J 1 2W Ref No Part No Part Name Description Remarks R4804 ERJ6GEYJ272 M 2 7KOHM J 1 10W R4805 ERJ6ENF1331 M1 33KOHM 1 10W R4806 ERJ6ENF3320 M 332OHM 1 10W R4807 ERJ6ENF1001 M 1KOHM 1 10W R4808 ERJ6ENF3832 M38 3KOHM 1 10W R4809 ERJ6ENF9091 M9 09KOHM 1 10W R4810 ERJ6ENF2213 M 221KOHM 1 10W R4811 ...

Page 45: ... J 1 10W JA11 ERJ6GEY0R00 M 0OHM J 1 10W JA12 ERJ6GEY0R00 M 0OHM J 1 10W JA15 ERJ6GEY0R00 M 0OHM J 1 10W JA16 ERJ6GEY0R00 M 0OHM J 1 10W JA17 ERJ6GEY0R00 M 0OHM J 1 10W JA19 ERJ6GEY0R00 M 0OHM J 1 10W JA2 ERJ6GEY0R00 M 0OHM J 1 10W JA2 ERJ6GEY0R00 M 0OHM J 1 10W JA20 ERJ6GEY0R00 M 0OHM J 1 10W JA21 ERJ6GEY0R00 M 0OHM J 1 10W JA22 ERJ6GEY0R00 M 0OHM J 1 10W JA23 ERJ6GEY0R00 M 0OHM J 1 10W JA24 ERJ6...

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