Panasonic TX-29G455R-IRAN Service Manual Download Page 25 | Manualshive

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4.3. L Board

4.3.1. L Board (1/4)

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TX-29G455R-IRAN

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Summary of Contents for TX-29G455R-IRAN

Page 1: ...quency 2007 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law TX 29G455R IRAN GP21 Chassis 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 Video Terminals AV 1 2 Y 1 Vp p 75Ω S Video In C 0 3 Vp p 75Ω DVD Y 1 0 Vp p 75Ω PB 0 7 Vp p 75Ω YR 0 7 ...

Page 2: ...E Board 5 2 2 Factory Mode Adjustment 5 2 3 Adjustment for White Balance 6 2 4 Adjustment for CRT CUT OFF 6 2 5 Adjustment Procedure 7 Depth 493 mm Mass 42 kg Net Wt Specifications are subject to change without notice Mass and dimensions shown are approximate 2 6 PAL Colour 8 2 7 Adjustment 8 3 Conductor Views 12 4 Schematic Diagram 13 4 1 D Board 15 4 2 A Board 20 4 3 L Board 25 4 4 G Board 29 5 ...

Page 3: ... metallic cabinet part on the receiver such as screw heads aerials connectors control shafts etc When the exposed metallic part has a return path to the chassis the reading should be between 4 MΩ and 20 MΩ When the exposed metal does not have a return path to the chassis the reading must be infinite 1 3 Leakage Current Hot Check Fig 1 1 Plug the AC cord directly into the AC outlet Do not use an is...

Page 4: ... Audio Amp 15V 10 5V 6 5V 137V 10 5V H Drive Circuit 9V 3 3V standby 1 8V standby 6 5V G Board 5V 13 3V 137V Switching Transformer Primary Live Circuit MON Audio Out Audio Out Audio Amp Woofer left speaker right speaker woofer option line Indication option device RGB Out reg reg reg reg Q865 RGB Out Vert H Out H Output EEPROM RGB Out CVBS In Vertical Output RGB In 4 TX 29G455R IRAN ...

Page 5: ...ure 2 Fig 2 2 2 Factory Mode Adjustment How to set To set the Factory mode press Volume 0 dac on the TV and Timer Setting 30 min on the remote control and press Volume Down button on the TV together press recall on the remote control CHK should appear on right of TV screen To Set Self Check Press the Volume Down button on TV then press the Off Timer button on remote control 5 TX 29G455R IRAN ...

Page 6: ...F so that X 0 277 0 005 nit 3 Adjustment G CUT OFF so that Y 0 293 0 005 nit Adjustment of High Light 1 Adjustment Sub Bright so that Y 150 nit 2 Adjustment R Drive so that X 0 269 0 003 nit 3 Adjustment B Drive so that Y 0 271 0 003 nit 2 4 Adjustment for CRT CUT OFF Preparation 1 Connect the oscilloscope probe to TPL7 2 Screen VR min 3 Set the data Sub Bright Bright 4 In service Mode at Bright d...

Page 7: ...21 GND 10 8V 1V TPD 012 C858 16 5 2V 2 5 2 High Voltage 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 023 and confirm the B voltage is 136 0 1V 2 Connect a high frequency voltmeter to heater and confirm that voltage reads 6 3 0 3 VRMS 3 Normalize the brightness and contrast 2 5 Adjustmen...

Page 8: ...rm OSD become blue colour 5 Set A to 0 3 0 1V by BRT CHK2 at measurement point TPL 2 Fig 4 1 Connect oscilloscope probe to TPL 7 G OUT with 10kΩ series resistor and adjust Contrast so that B as in Fig 4 is 1 85 0 2V 2 Adjust Sub Colour so that waveform as in Fig 4 1 2 5 0 1V 3 Connect oscilloscope probe to TPL 1 R OUT with 10kΩ series resistor and confirm waveform as in Fig 5 is 2 2 7 0 4V 4 Press...

Page 9: ...s obtained Fig 21 10 Re adjust the Low Light controls to their correct settings and make sure that a uniform white field is obtained 11 Tighten the clamp screw A in Fig 10 Convergence 1 Apply a crosshatch pattern signal and Normalize Contrast control 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 t...

Page 10: ...imarily Fig 1 Purity magnet Set purity magnet that 2 magnets are TOP POSITION VRS magnet Set purity magnet 2 magnets are HORIZONTAL POSITION 2 Adjustment a Receive that Cross Hatch pattern b Adjust V SHIFT 50Hz c Set 2 magnets of horizontal position to up and down equally so that it will be the center part of CRT Fig 2 10 TX 29G455R IRAN ...

Page 11: ...and 3 shown in Fig 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 11 TX 29G455R IRAN ...

Page 12: ...3 Conductor Views 12 TX 29G455R IRAN ...

Page 13: ...4 Schematic Diagram 13 TX 29G455R IRAN ...

Page 14: ...14 TX 29G455R IRAN ...

Page 15: ...4 1 D Board 4 1 1 D Board 1 5 1A 2A 3A 4A 5A 6A 7A 8A 9A 15 TX 29G455R IRAN ...

Page 16: ...4 1 2 D Board 2 5 1B 2B 3B 4B 5B 6B 7B 8B 9B 1A 2A 3A 4A 5A 6A 7A 8A 9A 16 TX 29G455R IRAN ...

Page 17: ...4 1 3 D Board 3 5 1C 3C 5C 4C 2C 6C 7C 8C 9C 1B 2B 3B 4B 5B 6B 7B 8B 9B 17 TX 29G455R IRAN ...

Page 18: ...4 1 4 D Board 4 5 1D 3D 5D 4D 2D 6D 7D 8D 9D 1C 3C 5C 4C 2C 6C 7C 8C 9C 18 TX 29G455R IRAN ...

Page 19: ...4 1 5 D Board 5 5 1D 3D 5D 4D 2D 6D 7D 8D 9D 19 TX 29G455R IRAN ...

Page 20: ...4 2 A Board 4 2 1 A Board 1 5 1A 2A 3A 4A 5A 6A 7A 8A 9A 20 TX 29G455R IRAN ...

Page 21: ...4 2 2 A Board 2 5 1B 2B 3B 4B 5B 6B 7B 8B 9B 1A 2A 3A 4A 5A 6A 7A 8A 9A 21 TX 29G455R IRAN ...

Page 22: ...4 2 3 A Board 3 5 1C 2C 3C 4C 5C 6C 7C 8C 1B 2B 3B 4B 5B 6B 7B 8B 9B 22 TX 29G455R IRAN ...

Page 23: ...4 2 4 A Board 4 5 1D 4D 2D 3D 5D 6D 7D 8D 9D 1C 2C 3C 4C 5C 6C 7C 8C 23 TX 29G455R IRAN ...

Page 24: ...4 2 5 A Board 5 5 1D 4D 2D 3D 5D 6D 7D 8D 9D 24 TX 29G455R IRAN ...

Page 25: ...4 3 L Board 4 3 1 L Board 1 4 1A 2A 3A 4A 5A 6A 7A 8A 9A 25 TX 29G455R IRAN ...

Page 26: ...4 3 2 L Board 2 4 1B 2B 3B 4B 5B 6B 7B 8B 9B 1A 2A 3A 4A 5A 6A 7A 8A 9A 26 TX 29G455R IRAN ...

Page 27: ...4 3 3 L Board 3 4 1C 2C 3C 4C 5C 6C 1B 2B 3B 4B 5B 6B 7B 8B 9B 27 TX 29G455R IRAN ...

Page 28: ...4 3 4 L Board 4 4 1C 2C 3C 4C 5C 6C 28 TX 29G455R IRAN ...

Page 29: ...4 4 G Board 4 4 1 G Board 1 3 1A 2A 3A 4A 5A 6A 7A 8A 9A 29 TX 29G455R IRAN ...

Page 30: ...4 4 2 G Board 2 3 1B 2B 3B 1A 2A 3A 4A 5A 6A 7A 8A 9A 30 TX 29G455R IRAN ...

Page 31: ...4 4 3 G Board 3 3 1B 2B 3B 31 TX 29G455R IRAN ...

Page 32: ...5 Parts Locations 32 TX 29G455R IRAN ...

Page 33: ...6 Replacement Parts List 33 TX 29G455R IRAN ...

Page 34: ...n Remarks C1146 ECUX1H220JCX C 22PF J 50V C1150 F2A1C1000079 E 10UF 16V C1156 ECJ2VF1E104Z C 0 1UF Z 25V C117 F1J1H103A590 E 10UF 16V C1179 ECJ2VF1E104Z C 0 1UF Z 25V C118 ECJ2VF1H104Z C 0 1UF Z 50V C1180 ECJ2VF1E104Z C 0 1UF Z 25V C1181 F2A0J2210055 E 220UF 6 3V C1182 ECJ2VF1E104Z C 0 1UF Z 25V C1183 F2A1C101A310 E 100UF 16V C1184 F2A1C1000079 E 10UF 16V C1185 ECJ2VF1E104Z C 0 1UF Z 25V C119 F2A1...

Page 35: ...A578 C 0 1UF 50V C2353 F1J1H104A578 C 0 1UF 50V C2360 ECA1CM101B E 100UF 16V C2363 ECJ2VC1H102J C 1000PF J 50V Ref No Part No Part Name Description Remarks C2364 ECJ2VC1H102J C 1000PF J 50V C2369 ECA1CM101B E 100UF 16V C253 ECEA1HN2R2U E 2 2UF 50V C257 ECEA1HN2R2U E 2 2UF 50V C3101 ECJ2VC1H561K C 560PF K 50V C3102 ECJ2VC1H561K C 560PF K 50V C3121 ECJ2VC1H561K C 560PF K 50V C3122 ECJ2VC1H561K C 560...

Page 36: ...00UF 100V C902 ECJ2VF1H103Z C 0 01UF Z 50V C904 F1J1H472A590 C 4700PF 50V C905 F2A2C2200010 E 22UF 160V C906 F2A2C2200010 E 22UF 160V C907 F2A2C2200010 E 22UF 160V C908 ECQM4472JZ P 4700PF J 400V DIODES D1050 B3AGA0000089 DIODE D1051 B0BA8R200028 ZENER DIODE D1052 B0BA5R700019 ZENER DIODE D1059 B0JAME000058 DIODE Ref No Part No Part Name Description Remarks D1120 B0ACCK000005 DIODE D1121 MAZ80910H...

Page 37: ...No Part Name Description Remarks IC873 C0DAEJG00001 IC POWER SUPPLY IC874 C0DAEJG00001 IC POWER SUPPLY COILS L101 J0JKA0000038 BEAD CORE L103 J0JKA0000038 BEAD CORE L104 J0JKB0000034 EMI FILTER L1050 G0C331KA0073 PEAKING COIL L107 G0C100KA0065 PEAKING COIL L1110 ELJFC4R7KFB CHIP INDUCTOR L1130 ELJFC4R7KFB CHIP INDUCTOR L1134 G0C180JA0021 COIL L116 TALV35VB6R8K PEAKING COIL L1180 J0JKB0000040 COIL ...

Page 38: ...M 10KOHM J 1 10W R1020 ERJ6GEYJ102 M 1KOHM J 1 10W R1021 ERJ6GEYJ151 M 150OHM J 1 10W R1022 ERJ6GEY0R00 M 0OHM J 1 10W R103 ERDS2TJ101 C 100OHM J 1 4W R104 ERDS2TJ102 C 1KOHM J 1 4W R105 ERDS2TJ102 C 1KOHM J 1 4W R1050 ERJ6GEYJ271 M 270OHM J 1 10W R1051 ERJ6GEYJ472 M 4 7KOHM J 1 10W R1053 ERJ6GEYJ112 M 1 1KOHM J 1 10W R1056 ERJ6GEYJ103 M 10KOHM J 1 10W R1057 ERJ6GEYJ102 M 1KOHM J 1 10W R1058 ERJ6G...

Page 39: ...EY0R00 M 0OHM J 1 10W R1457 ERJ3GEY0R00 M 0OHM J 1 16W R1458 ERJ6GEY0R00 M 0OHM J 1 10W Ref No Part No Part Name Description Remarks R1459 ERJ6GEY0R00 M 0OHM J 1 10W R1460 ERJ6GEY0R00 M 0OHM J 1 10W R1501 ERJ6GEY0R00 M 0OHM J 1 10W R1504 ERJ6GEY0R00 M 0OHM J 1 10W R1505 ERJ6GEY0R00 M 0OHM J 1 10W R1506 ERJ6GEY0R00 M 0OHM J 1 10W R1507 ERJ6GEY0R00 M 0OHM J 1 10W R1508 ERJ6GEY0R00 M 0OHM J 1 10W R15...

Page 40: ...0 M 0OHM J 1 10W R2307 ERJ6GEY0R00 M 0OHM J 1 10W R2317 ERJ6GEYJ132 M 1 3KOHM J 1 10W R2318 ERG2FJS101E M 100OHM J 2W Ref No Part No Part Name Description Remarks R2325 D0AE2R2JA046 C 2 2OHM J 1 10W R2326 D0AE2R2JA046 C 2 2OHM J 1 10W R2328 D0AE2R2JA046 C 2 2OHM J 1 10W R2329 ERJ6GEYJ2R2 M 2 2OHM J 1 10W R2360 ERJ6GEYJ221 M 220OHM J 1 10W R2361 ERJ6GEYJ221 M 220OHM J 1 10W R253 ERJ6GEYJ751 M 750OH...

Page 41: ...0W R572 ERDS1TJ104 C 100KOHM J 1 2W R573 ERJ6GEYJ272 M 2 7KOHM J 1 10W R576 ERQ12HKR39P F 0 39OHM J 1 2W Ref No Part No Part Name Description Remarks R581 ERQ2CJP151S F 150OHM J 2W R702 ERX3FJS3R3D M 3 3OHM J 3W R703 D0DK3R3J0002 W 3 3OHM J 10W R704 ERJ6GEYJ203 M 20KOHM J 1 10W R715 ERDS2TJ182 C 1 8KOHM J 1 4W R716 ERJ6GEYJ680 M 68OHM J 1 10W R745 ERDS2TJ123 C 12KOHM J 1 4W R746 ERJ6GEYJ102 M 1KOH...

Page 42: ... JA10 ERJ6GEY0R00 M 0OHM J 1 10W JA11 ERJ6GEY0R00 M 0OHM J 1 10W JA12 ERJ6GEY0R00 M 0OHM J 1 10W JA13 ERJ6GEY0R00 M 0OHM J 1 10W JA14 ERJ6GEY0R00 M 0OHM J 1 10W JA4 ERJ6GEY0R00 M 0OHM J 1 10W JA5 ERJ6GEY0R00 M 0OHM J 1 10W JA8 ERJ6GEY0R00 M 0OHM J 1 10W JA9 ERJ6GEY0R00 M 0OHM J 1 10W JK3101 K4BK35A00002 AV TERMINAL JK3201 K4BK20B00001 AV TERMINAL JSD030 ERJ6GEY0R00 M 0OHM J 1 10W JSD089 ERJ6GEY0R0...

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