Panasonic TC-25FG50H, Service Manual

Page 1: ...al Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law TC 25FG50H GP4 Chassis Video 31 5 MHz D K 32 5 MHz B G 32 0 MHz I 32 5 MHz M Sound 33 57 MHz PAL Colour 33 6 M...

Page 2: ...nction 6 3 4 Service Mode 2 Controls OPTION data 1 3 6 4 Adjustment Procedure 7 4 1 Adjustment Procedure 7 4 2 COLOUR PURITY 7 4 3 CONVERGENCE 8 4 4 WHITE BALANCE MARKET MODE CHK 4 9 4 5 ADJUSTMENT OF...

Page 3: ...afts etc When the exposed metallic part has a return path to the chassis the reading should be between 4 M and 20 M When the exposed metal does not have a return path to the chassis the reading must b...

Page 4: ...801 T801 IC857 3 3V IC855 3 3V 1 8V EEPROM IC1101 AUDIO AMP IC2301 GEOMAGNETIC V OUT IC601 VCT IF SAW AV1 AV2 AV3 AV4 AUDIO SWITCH IC2320 1 Y U V AV1 Y C Y C YUV3 YUV4 Y U V IF H OUT WOOFER AMP IC2302...

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 TC 25FG50H...

Page 6: ...of selected item 5 Volume decrement of selected item 6 OK remote store save selected item 7 Normal remote exit service mode 11 ANGEL 128 127 12 BOW 128 127 13 DVCO 128 127 14 R CUT OFF 128 127 15 G CU...

Page 7: ...gence magnets 5 Apply a green pattern signal 4 1 3 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...

Page 8: ...ol to the maximum position 2 Adjust Bright control to obtain a clear pattern 3 Adjust Red and Blue line at center of the screen 4 Adjust Red and Blue with Green line at center of the screen by rotatin...

Page 9: ...djust 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 posit...

Page 10: ...agnets 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...

Page 11: ...5 Conductor Views 5 1 D Board 1 2 11 TC 25FG50H...

Page 12: ...5 2 D Board 2 2 12 TC 25FG50H...

Page 13: ...6 Schematic Diagrams 6 1 SCHEMATIC DIAGRAM FOR GP4 CHASSIS 13 TC 25FG50H...

Page 14: ...14 TC 25FG50H...

Page 15: ...6 2 D Board 6 2 1 D Board 1 5 1A 2A 3A 4A 5A 6A 7A 8A 15 TC 25FG50H...

Page 16: ...6 2 2 D Board 2 5 1A 2A 3A 4A 5A 6A 7A 8A 1B 2B 3B 4B 5B 6B 7B 8B 16 TC 25FG50H...

Page 17: ...6 2 3 D Board 3 5 1B 2B 3B 4B 5B 6B 7B 8B 1C 2C 3C 4C 5C 6C 7C 17 TC 25FG50H...

Page 18: ...6 2 4 D Board 4 5 1C 2C 3C 4C 5C 6C 7C 1D 2D 3D 4D 5D 6D 7D 18 TC 25FG50H...

Page 19: ...6 2 5 D Board 5 5 1D 2D 3D 4D 5D 6D 7D 19 TC 25FG50H...

Page 20: ...6 3 G Board 6 3 1 G Board 1 3 1A 2A 3A 4A 5A 20 TC 25FG50H...

Page 21: ...6 3 2 G Board 2 3 1A 2A 3A 4A 5A 1B 2B 3B 4B 5B 21 TC 25FG50H...

Page 22: ...6 3 3 G Board 3 3 1B 2B 3B 4B 5B 22 TC 25FG50H...

Page 23: ...6 4 L Board 6 4 1 L Board 1 3 1A 2A 3A 4A 5A 6A 23 TC 25FG50H...

Page 24: ...6 4 2 L Board 2 3 1A 2A 3A 4A 5A 6A 1B 2B 3B 4B 5B 6B 24 TC 25FG50H...

Page 25: ...6 4 3 L Board 3 3 1B 2B 3B 4B 5B 6B 25 TC 25FG50H...

Page 26: ...7 Parts Locations 26 TC 25FG50H...

Page 27: ...8 1 Replacement Parts List Notes 8 Replacement Parts List 27 TC 25FG50H...

Page 28: ...2315 ECA1EM222E E 2200UF 25V C2317 F1J1H104A578 C 0 1UF 50V C2319 F1J1H104A578 C 0 1UF 50V C2320 ECJ2VC1H102J C 1000PF J 50V C2321 ECJ2VC1H102J C 1000PF J 50V C2322 ECJ2VC1H102J C 1000PF J 50V C2334 E...

Page 29: ...A578 C 0 1UF 50V C660 ECJ2VF1E104Z C 0 1UF Z 25V C704 L6Y5P4B122K C 1200PF K 500V C706 ECQB1H222JF P 2200PF J 50V C806 ECKWAE472ZED C 4700PF Z 500V Ref No Part No Part Name Description Remarks C807 EC...

Page 30: ...5V COIL L2301 J0JKA0000038 BEAD CORE L2302 J0JKA0000038 BEAD CORE L2304 J0JKA0000038 BEAD CORE L2306 J0JKA0000038 BEAD CORE L2307 EXCELSA35V COIL L2323 J0JKA0000038 BEAD CORE L2324 J0JKA0000038 BEAD C...

Page 31: ...t Name Description Remarks R1202 ERJ6GEYJ102 M 1KOHM J 1 10W R1203 ERJ6GEY0R00 M 0OHM J 1 10W R1204 ERJ6GEY0R00 M 0OHM J 1 10W R1228 ERJ6GEYJ220 M 22OHM J 1 10W R1229 ERJ6GEYJ220 M 22OHM J 1 10W R2110...

Page 32: ...R557 ER050CHF6802 M 68KOHM J 1 2W R559 ERQ1CJP1R2S F 1 2OHM J 1W R580 ERJ6GEYJ392 M 3 9KOHM J 1 10W Ref No Part No Part Name Description Remarks R581 ERJ6GEYJ563 M 56KOHM J 1 10W R602 ERJ6GEYJ103 M 10...

Page 33: ...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 Ref No Part No Part Name Description Remarks JA18 ERJ6GEY0R00 M 0OHM J 1 10W JA19 ERJ6GEY0R...