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Panasonic TX-21FX20RSF-IRAN, Service Manual

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4.2.2. L Board (2/3)

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TX-21FX20RSF-IRAN

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Summary of Contents for TX-21FX20RSF-IRAN

Page 1: ...2006 Matsushita Electric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law TX 21FX20RSF IRAN GP41 Chassis Audio Terminal AV 1 2 YUV MONITOR OUT RAV In V...

Page 2: ...e Hints 5 2 1 Service Position for E Board 5 2 2 Factory Mode Adjustment 5 2 3 Adjustment for White Balance 7 2 4 Adjustment for CRT CUT OFF 7 2 5 Adjustment Procedure 8 2 6 Adjustment 9 3 Conductor V...

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 M and 2...

Page 4: ...WITCH 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 I...

Page 5: ...ry Mode Adjustment 1 Factory Mode Adjustment a Set timer ON b Press remote s RECALL and panel s volume down key simultaneously to enter SERVICE 1 2 To Set Self Check Press the volume down button on TV...

Page 6: ...NOTE Service mode 2 options bit 6 Service Mode 3 Controls To enter SERVICE 3 press channel key 1 in SERVICE 2 entry screen 7 Service Mode 3 Function 6 TX 21FX20RSF IRAN...

Page 7: ...so that X 0 245 0 015 nit 3 Adjustment G CUT OFF so that Y 0 274 0 015 nit Adjustment of High Light 1 Adjustment Sub Bright so that Y 150 nit 2 Adjustment R Drive so that X 0 261 0 015 nit 3 Adjustmen...

Page 8: ...A 16 141 2V TPA 17 8 2 0 5V 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 Adjus...

Page 9: ...d 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 patt...

Page 10: ...arily 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 SH...

Page 11: ...d 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 Yo...

Page 12: ...3 Conductor Views 12 TX 21FX20RSF IRAN...

Page 13: ...4 Schematic Diagram 13 TX 21FX20RSF IRAN...

Page 14: ...14 TX 21FX20RSF IRAN...

Page 15: ...4 1 A Board 4 1 1 A Board 1 5 1A 2A 3A 4A 5A 6A 7A 8A 9A 15 TX 21FX20RSF IRAN...

Page 16: ...4 1 2 A Board 2 5 1B 2B 3B 4B 5B 6B 7B 8B 9B 1A 2A 3A 4A 5A 6A 7A 8A 9A 16 TX 21FX20RSF IRAN...

Page 17: ...4 1 3 A Board 3 5 1B 2B 3B 4B 5B 6B 7B 8B 9B 1C 2C 3C 4C 5C 6C 7C 8C 17 TX 21FX20RSF IRAN...

Page 18: ...4 1 4 A Board 4 5 1C 2C 3C 4C 5C 6C 7C 8C 1D 2D 3D 4D 5D 6D 7D 9D 8D 18 TX 21FX20RSF IRAN...

Page 19: ...4 1 5 A Board 5 5 1D 2D 3D 4D 5D 6D 7D 9D 8D 19 TX 21FX20RSF IRAN...

Page 20: ...4 2 L Board 4 2 1 L Board 1 3 1A 2A 3A 20 TX 21FX20RSF IRAN...

Page 21: ...4 2 2 L Board 2 3 1A 2A 3A 1B 2B 3B 4B 5B 6B 7B 8B 9B 21 TX 21FX20RSF IRAN...

Page 22: ...4 2 3 L Board 3 3 1B 2B 3B 4B 5B 6B 7B 8B 9B 22 TX 21FX20RSF IRAN...

Page 23: ...5 Parts Locations 23 TX 21FX20RSF IRAN...

Page 24: ...6 Replacement Parts List 24 TX 21FX20RSF IRAN...

Page 25: ...tion Remarks C3046 ECJ2VC1H222J C 2200PF J 50V C305 F2A1C471A339 E 470UF 16V C306 D0GB240JA008 F 24 J 1 16V C307 D0GB240JA008 F 24 J 1 16V C308 D0GB240JA008 F 24 J 1 16V C3176 F2A1C101A310 E 100UF 16V...

Page 26: ...DIODE D366 B0AACK000004 DIODE D367 B0AACK000004 DIODE D402 B0HAJL000003 DIODE D503 B0AACK000004 DIODE D504 B0AACK000004 DIODE D507 B0ACMJ000001 DIODE D511 MA4108J DIODE D512 B0HAJL000003 DIODE D513 B...

Page 27: ...on Remarks R1201 ERJ3GEYJ102 M 1KOHM J 1 16W R1202 ERJ3GEYJ102 M 1KOHM J 1 16W R1228 ERJ3GEYJ101 M 100OHM J 1 16W R1229 ERJ3GEYJ101 M 100OHM J 1 16W R2112 ERJ3GEYJ102 M 1KOHM J 1 16W R2114 ERJ3GEYJ104...

Page 28: ...R664 ERDS2T0T C 0OHM 1 4W R665 ERDS2T0T C 0OHM 1 4W R669 ERDS2T0T C 0OHM 1 4W R670 ERJ3GEYJ101 M 100OHM J 1 16W R671 ERJ3GEYJ101 M 100OHM J 1 16W Ref No Part No Part Name Description Remarks R701 ERJ...

Page 29: ...0OHM J 1 16W JS634 ERJ3GEY0R00 M 0OHM J 1 16W JS670 ERJ3GEY0R00 M 0OHM J 1 16W L2 K1KA13A00140 CONNECTOR L3 K1KA04AA0190 CONNECTOR LF835 ELF21V012S LINE FILTER RM1001 B3RAD0000120 REMOCON RECEIVER SC...

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