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TX-21GX25R-IRAN

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Содержание TX-21GX25R-IRAN

Страница 1: ...al DVD 2007 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law TX 21GX25R IRAN GP41N Chassis Y 1 0 Vp p 75Ω PB 0 7 Vp p 75Ω PR 0 7 Vp p 75Ω AV 1 2 3 Video In 1 Vp p 75Ω Audio In Approx 0 5V 47kΩ Monitor Out Video Out 1 Vp p 75Ω Audio Out Approx 0 5V 1kΩ High Voltage 27 5kV 1 5 at zero beam current Picture Tube A51LYZ395X62 50 5cm 2...

Страница 2: ...s 5 2 1 Service Position for E Board 5 2 2 Factory Mode Adjustment 5 2 3 Adjustment for White Balance 8 2 4 Adjustment for CRT CUT OFF 8 2 5 Adjustment Procedure 9 2 6 Adjustment 10 3 Conductor Views 13 4 Schematic Diagram 14 4 1 A Board 16 4 2 L Board 21 4 3 PP Board 24 5 Parts Locations 27 6 Replacement Parts List 28 6 1 Replacement Parts List 29 CONTENTS Page Page 2 TX 21GX25R IRAN ...

Страница 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...

Страница 4: ...ER SWITCH G GEOMAGNETIC WOOFER AMP IC2401 PVP IC1801 R G B SCL SDA CVBS IN REAR INPUTS AV1 V L R AV3 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 4 TX 21GX25R IRAN ...

Страница 5: ... a Set Timer ON 30 minutes Press remote s RECALL panel s vol down key simultaneously to select service mode b CHK should appear on right side of TV screen After few seconds CHK 1 should appear on right side of TV screen NOTE To move from CHK 1 to CHK 2 mode etc please follow below rotation c CHK 1 Press digit key 4 to move option mode forward Press digit key 3 to move option backward The function ...

Страница 6: ...n will be as follows f Press digit key 4 to move forward from Colour Sub Colour etc Press digit key 3 to move backward from Sub Colour Colour etc g Press volume up volume down to adjust setting h Press digit key 5 to make the AKB OFF Blue OSD first time Press digit key 5 to make the AKB On White OSD second time i CHK3 Press digit key 2 to move forward to CHK 3 The function rotation will be as foll...

Страница 7: ...backward from G CUT R CUT n After selecting the required mode press volume up volume down to adjust required setting o Press digit key 5 to make the AKB OFF and H Line mode first time Press digit key 5 to make the AKB ON and Normal picture second time p After finish adjustment press Power ON OFF button on remote control to go to normal TV mode 2 HOW TO CHANGE CHANNEL BY I2C BUS CONTROLLER a Short ...

Страница 8: ...FF so that X 0 246 0 003 nit 3 Adjustment G CUT OFF so that Y 0 256 0 005 nit Adjustment of High Light 1 Adjustment Sub Bright so that Y 150 nit 2 Adjustment R Drive so that X 0 263 0 003 nit 3 Adjustment G Drive so that Y 0 271 0 003 nit 2 4 Adjustment for CRT CUT OFF Preparation 1 Connect the oscilloscope probe to KG 2 Screen VR min 3 Set the data Sub Bright Bright 4 In service Mode at Bright da...

Страница 9: ...A 16 141 0 2V TPA 17 8 2 0 3V TPA 18 1 9 0 2V TPA 19 5 2 0 2V TPA 20 175 15V 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 TPA 10 and confirm the B voltage is 141 0 1 5V 2 Connect a high frequency voltmeter to heater and confirm that voltage reads 6 3 0 24 VRMS 3 Normalize...

Страница 10: ...ed 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 the centr...

Страница 11: ...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 11 TX 21GX25R IRAN ...

Страница 12: ...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 12 TX 21GX25R IRAN ...

Страница 13: ...3 Conductor Views 13 TX 21GX25R IRAN ...

Страница 14: ...4 Schematic Diagram 14 TX 21GX25R IRAN ...

Страница 15: ...15 TX 21GX25R IRAN ...

Страница 16: ...4 1 A Board 4 1 1 A Board 1 5 1A 2A 3A 4A 5A 6A 7A 8A 9A 16 TX 21GX25R IRAN ...

Страница 17: ...4 1 2 A Board 2 5 1B 2B 4B 3B 6B 7B 5B 8B 9B 1A 2A 3A 4A 5A 6A 7A 8A 9A 17 TX 21GX25R IRAN ...

Страница 18: ...4 1 3 A Board 3 5 1C 2C 4C 3C 6C 7C 5C 8C 9C 1B 2B 4B 3B 6B 7B 5B 8B 9B 18 TX 21GX25R IRAN ...

Страница 19: ...4 1 4 A Board 4 5 1D 2D 5D 4D 3D 7D 6D 8D 9D 1C 2C 4C 3C 6C 7C 5C 8C 9C 19 TX 21GX25R IRAN ...

Страница 20: ...4 1 5 A Board 5 5 1D 2D 5D 4D 3D 7D 6D 8D 9D 20 TX 21GX25R IRAN ...

Страница 21: ...4 2 L Board 4 2 1 L Board 1 3 1A 2A 3A 4A 5A 6A 7A 21 TX 21GX25R IRAN ...

Страница 22: ...4 2 2 L Board 2 3 1B 2B 3B 4B 5B 6B 1A 2A 3A 4A 5A 6A 7A 22 TX 21GX25R IRAN ...

Страница 23: ...4 2 3 L Board 3 3 1B 2B 3B 4B 5B 6B 23 TX 21GX25R IRAN ...

Страница 24: ...4 3 PP Board 4 3 1 PP Board 1 3 1A 2A 3A 4A 5A 6A 7A 8A 9A 24 TX 21GX25R IRAN ...

Страница 25: ...4 3 2 PP Board 2 3 1B 2B 3B 4B 5B 6B 7B 1A 2A 3A 4A 5A 6A 7A 8A 9A 25 TX 21GX25R IRAN ...

Страница 26: ...4 3 3 PP Board 3 3 1B 2B 3B 4B 5B 6B 7B 26 TX 21GX25R IRAN ...

Страница 27: ...5 Parts Locations 27 TX 21GX25R IRAN ...

Страница 28: ...6 Replacement Parts List 28 TX 21GX25R IRAN ...

Страница 29: ...on Remarks C3023 ECJ1VF1C105Z C 1UF Z 16V C3024 ECJ1VF1C105Z C 1UF Z 16V C3025 ECJ1VF1C105Z C 1UF Z 16V C3027 ECJ1VF1C105Z C 1UF Z 16V C3034 F2A1A471A274 E 470UF 10V C3041 ECJ2VC1H152J C 1500PF J 50V C3042 ECJ2VC1H152J C 1500PF J 50V C3043 ECJ2VC1H222J C 2200PF J 50V C3044 ECJ2VC1H222J C 2200PF J 50V C3045 ECJ2VC1H222J C 2200PF J 50V C3046 ECJ2VC1H222J C 2200PF J 50V C305 F2A1C471A339 E 470UF 16V ...

Страница 30: ...2A1C1020060 E 1000UF 16V C886 F2A1H330A342 E 33UF 50V C887 F2A1C102A317 E 1000UF 16V C890 ECJ1VB1C104K C 0 1UF K 16V C891 F2A1C101A310 E 100UF 16V C893 F2A1C221A338 E 220UF 16V C897 F1J1H332A021 C 3300PF 50V C898 ECJ1VF1C105Z C 1UF Z 16V DIODES D1010 B3AGA0000089 DIODE D1132 B0BA3R800012 DIODE D2103 B0AACJ000009 DIODE Ref No Part No Part Name Description Remarks D2107 B0AACJ000009 DIODE D2108 B0AA...

Страница 31: ... ERJ3GEY0R00 M 0OHM J 1 16W R1004 ERJ3GEYJ470 M 47OHM J 1 16W R1005 ERJ3GEYJ621 M 620OHM J 1 16W R1006 ERJ3GEYJ152 M 1 5KOHM J 1 16W R1007 ERJ3GEYJ121 M 120OHM J 1 16W R1008 ERJ3GEYJ152 M 1 5KOHM J 1 16W R1021 ERJ3EKF2211 M2 21KOHM F 1 16W R1022 ERJ3EKF3241 M3 24KOHM F 1 16W R1023 ERJ3EKF5111 M5 11KOHM F 1 16W R1024 ERJ3EKF9091 M9 09KOHM F 1 16W R1025 ERJ3EKF2152 M21 5KOHM F 1 16W R1033 ERJ3EKF232...

Страница 32: ...002 M 10KOHM F 1 16W R621 ERJ3EKF2002 M 20KOHM 1 10W R624 ERJ3GEYJ102 M 1KOHM J 1 16W R625 ERJ3GEYJ102 M 1KOHM J 1 16W R626 ERJ3GEYJ103 M 10KOHM J 1 16W Ref No Part No Part Name Description Remarks R627 ERJ3GEYJ103 M 10KOHM J 1 16W R628 ERJ3GEYJ823 M 82KOHM J 1 16W R629 ERJ3GEY0R00 M 0OHM J 1 16W R632 ERJ3GEYJ682 M 6 8KOHM J 1 16W R634 ERJ3GEYJ151 M 150OHM J 1 16W R635 ERJ3GEYJ151 M 150OHM J 1 16W...

Страница 33: ...10 ERJ3GEY0R00 M 0OHM J 1 16W JS2315 ERJ3GEY0R00 M 0OHM J 1 16W JS2341 ERJ3GEY0R00 M 0OHM J 1 16W JS2342 ERJ3GEY0R00 M 0OHM J 1 16W JS301 ERJ3GEY0R00 M 0OHM J 1 16W JS302 ERJ3GEY0R00 M 0OHM J 1 16W JS303 ERJ3GEY0R00 M 0OHM J 1 16W JS3043 ERJ3GEY0R00 M 0OHM J 1 16W JS3044 ERJ3GEY0R00 M 0OHM J 1 16W JS3131 ERJ3GEY0R00 M 0OHM J 1 16W JS3132 ERJ3GEY0R00 M 0OHM J 1 16W JS3137 ERJ3GEY0R00 M 0OHM J 1 16W...

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