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Panasonic TC-25FJ20R, Руководство по обслуживанию

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Panasonic TC-25FJ20R Скачать руководство пользователя страница 8

 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 the screen.

 4. Adjust Red and Blue with Green line at center of the screen

by rotating (RB)-G static convergence magnet.

 5. Lock convergence magnets with silicone sealer.

 6. Remove the DY wedges and slightly tilt the Deflection Yoke

vertically.

 7. Fix the Deflection Yoke by re-inserting the DY wedges.

 8. If purity error is found, repeat “Colour Purity” adjustment.

8

TC-25FJ20R

Содержание TC-25FJ20R

Страница 1: ...ial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law TC 25FJ20R GP3 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 MHz SECAM 34 42 MHz NTSC 33 75 MHz SECAM Receiving Stereo Sound System AV STEREO Video Audio Terminals AV 1 2 Y P B P R Phone Type Y 1 0Vp p 75 Ω PB PR 0 7Vp p 75 Ω Video 1 0Vp p 75 Ω Audio Approx 400...

Страница 2: ...tment Procedure 7 4 2 COLOUR PURITY 7 4 3 CONVERGENCE 8 4 4 WHITE BALANCE MARKET MODE CHK 4 9 4 5 ADJUSTMENT OF CRT VRS 10 5 Conductor Views 11 5 1 A Board 1 2 11 5 2 A Board 2 2 12 6 Schematic Diagrams 13 6 1 SCHEMATIC DIAGRAM FOR GP3 CHASSIS 13 6 2 A Board 15 6 3 L Board 20 6 4 K Board 23 6 5 YUV Board 25 6 6 YC Board 27 6 7 EW Board 29 7 Parts Locations 31 8 Replacement Parts List 32 8 1 Replac...

Страница 3: ...tc When the exposed metallic part has a return pathto the chassis the reading should be between 4 MΩ Ω Ω Ω and 20 MΩ 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...

Страница 4: ...1 5 GP3 Block Diagram 4 TC 25FJ20R ...

Страница 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 25FJ20R ...

Страница 6: ... each CHK Mode by pressing 1 or 2 of 10 key button on the remote control 3 Set to normal mode Press the volume down button on front control together press the off timer button on remote control 1 CHK 1 OPTION 1 F2 OPTION 2 00 OPTION 3 8C OPTION 4 77 OPTION 5 95 OPTION 6 34 OPTION 7 91 OPTION 8 25 OPTION 9 00 2 CHK 2 RF AGC 17 BRT 50 S TINT 31 TINT 50 S COL 33 COL 50 CONT 100 3 CHK 3 V SLOPE 37 H B...

Страница 7: ...l of 69 1 2 dBU with 75Ω loaded 1 Select RF AGC indication in CHK2 on Screen by remote control at factory mode 2 Connect digital multimeter to RF AGC at Tuner 2 Set RF AGC by using remote control Volume or Volume button until voltage AGC at Tuner reaches 2 6 0 1V at TPA 15 Tuner point 3 Increase RF signal strength by 2dB confirm AGC at Tuner voltage drop High Voltage 1 Receive the crosshatch patte...

Страница 8: ... 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 rotating RB G static convergence magnet 5 Lock convergence magnets with silicone sealer 6 Remove the DY wedges and slightly tilt the Deflection Yoke vertically 7 Fix the Deflection Yoke by re inserting the DY wedges 8 If purity error is found repeat...

Страница 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...

Страница 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 TC 25FJ20R ...

Страница 11: ...5 Conductor Views 5 1 A Board 1 2 11 TC 25FJ20R ...

Страница 12: ...5 2 A Board 2 2 12 TC 25FJ20R ...

Страница 13: ...6 Schematic Diagrams 6 1 SCHEMATIC DIAGRAM FOR GP3 CHASSIS 13 TC 25FJ20R ...

Страница 14: ...14 TC 25FJ20R ...

Страница 15: ...6 2 A Board 6 2 1 A Board 1 5 1A 2A 3A 4A 5A 6A 7A 8A 9A 10A 11A 12A 13A 14A 15A 16A 17A 18A 19A 20A 21A 15 TC 25FJ20R ...

Страница 16: ...6 2 2 A Board 2 5 1A 2A 3A 4A 5A 6A 7A 8A 9A 10A 11A 12A 13A 14A 15A 16A 17A 18A 19A 20A 21A 1B 2B 3B 4B 5B 6B 7B 8B 9B 10B 11B 12B 13B 16 TC 25FJ20R ...

Страница 17: ...6 2 3 A Board 3 5 1B 2B 3B 4B 5B 6B 7B 8B 9B 10B 11B 12B 13B 1C 2C 3C 4C 5C 6C 7C 9C 8C 10C 11C 12C 13C 14C 15C 16C 17C 17 TC 25FJ20R ...

Страница 18: ...6 2 4 A Board 4 5 1C 2C 3C 4C 5C 6C 7C 9C 8C 10C 11C 12C 13C 14C 15C 16C 17C 1D 2D 3D 4D 5D 6D 7D 8D 9D 10D 11D 12D 13D 14D 16D 18D 19D 17D 15D 18 TC 25FJ20R ...

Страница 19: ...6 2 5 A Board 5 5 1D 2D 3D 4D 5D 6D 7D 8D 9D 10D 11D 12D 13D 14D 16D 18D 19D 17D 15D 19 TC 25FJ20R ...

Страница 20: ...6 3 L Board 6 3 1 L Board 1 3 1A 2A 3A 4A 5A 6A 7A 8A 10A 9A 20 TC 25FJ20R ...

Страница 21: ...6 3 2 L Board 2 3 1A 2A 3A 4A 5A 6A 7A 8A 10A 9A 1B 2B 3B 4B 5B 21 TC 25FJ20R ...

Страница 22: ...6 3 3 L Board 3 3 1B 2B 3B 4B 5B 22 TC 25FJ20R ...

Страница 23: ...6 4 K Board 6 4 1 K Board 1 2 1A 2A 3A 4A 5A 6A 7A 8A 23 TC 25FJ20R ...

Страница 24: ...6 4 2 K Board 2 2 1A 2A 3A 4A 5A 6A 7A 8A 24 TC 25FJ20R ...

Страница 25: ...6 5 YUV Board 6 5 1 YUV Board 1 2 1A 2A 3A 4A 5A 6A 7A 8A 25 TC 25FJ20R ...

Страница 26: ...6 5 2 YUV Board 2 2 1A 2A 3A 4A 5A 6A 7A 8A 26 TC 25FJ20R ...

Страница 27: ...6 6 YC Board 6 6 1 YC Board 1 2 1A 2A 3A 4A 5A 6A 7A 8A 9A 10A 11A 12A 27 TC 25FJ20R ...

Страница 28: ...6 6 2 YC Board 2 2 1A 2A 3A 4A 5A 6A 7A 8A 9A 10A 11A 12A 28 TC 25FJ20R ...

Страница 29: ...6 7 EW Board 6 7 1 EW Board 1 2 1A 2A 3A 4A 5A 6A 29 TC 25FJ20R ...

Страница 30: ...6 7 2 EW Board 2 2 1A 2A 3A 4A 5A 6A 30 TC 25FJ20R ...

Страница 31: ...7 Parts Locations 31 TC 25FJ20R ...

Страница 32: ...8 1 Replacement Parts List Notes 8 Replacement Parts List 32 TC 25FJ20R ...

Страница 33: ...emarks C2106 ECJ2ZF1C105Z C 1UF Z 16V C2109 ECA1CM100B E 10UF 16V C2110 ECJ2VB1H332K C 3300PF K 50V C2111 ECJ2VB1H332K C 3300PF K 50V C2113 ECA1HM100B E 10UF 50V C2115 ECA1HM100B E 10UF 50V C2117 ECA1CM330B E 33UF 16V C2120 ECEA1HKS3R3 E 3 3UF 50V C2121 ECJ2VF1C104Z C 0 1UF Z 16V C2124 ECA1HM100B E 10UF 50V C2125 ECJ2ZF1C105Z C 1UF Z 16V C2138 ECJ2VC1H470J C 47PF J 50V C2139 ECJ2VC1H010C C 1PF C 5...

Страница 34: ...V C564 ECQM4333JZ P 0 033UF 400V C565 ECQP1223JZ P 0 022UF J 100V C568 ECKW3D102JBR C 1000PF J 2KV Ref No Part No Part Name Description Remarks C570 ECJ2VC1H560J C 56PF J 50V C580 ECA1HM220B E 22UF 50V C581 ECQV1H105JM P 1UF J 50V C601 ECEA1CKA101 E 100UF 16V C602 ECUX1H104KBX C 0 1UF K 50V C603 ECJ2VC1H152J C 1500PF J 50V C604 ECQV1H224JL P 0 22UF J 50V C605 ECQV1H224JL P 0 22UF J 50V C606 ECJ2VB...

Страница 35: ...E D404 B0ACCK000005 DIODE D407 MTZJ20B ZENER DIODE D511 MA4108J DIODE D512 MA171 DIODE D513 B0HAJP000015 DIODE D515 B0HAJP000015 DIODE D516 B0HAMP000054 DIODE D520 MA152KTX DIODE D551 MA3047HTX DIODE D552 B0HAJP000015 DIODE Ref No Part No Part Name Description Remarks D555 MA152KTX DIODE D556 B0HAMV000027 DIODE D557 B0HAMR000053 DIODE D558 MA185 DIODE D580 MTZJ33B ZENER DIODE D581 MA152KTX DIODE D...

Страница 36: ...OR Q1012 B1ABCE000005 TRANSISTOR Q102 2SC2480TX TRANSISTOR Ref No Part No Part Name Description Remarks Q103 2SD2114KT TRANSISTOR Q105 B1ABCE000005 TRANSISTOR Q1110 2SB709ATX TRANSISTOR Q1111 B1ABCE000005 TRANSISTOR Q170 B1ABCE000005 TRANSISTOR Q180 2SB709ATX TRANSISTOR Q2110 2SB709ATX TRANSISTOR Q2111 2SB709ATX TRANSISTOR Q2380 B1ABCE000005 TRANSISTOR Q2381 2SB709ATX TRANSISTOR Q3030 B1ABCE000005...

Страница 37: ...RJ6GEYJ101 M 100OHM J 1 10W R2112 ERJ6GEYJ222 M 2 2KOHM J 1 10W R2113 ERJ6GEYJ222 M 2 2KOHM J 1 10W Ref No Part No Part Name Description Remarks R2120 ERJ6GEYJ184 M 180KOHM J 1 10W R2140 ERJ6GEYJ101 M 100OHM J 1 10W R2302 ERJ6GEYJ153 M 15KOHM J 1 10W R2303 ERJ6GEYJ472 M 4 7KOHM J 1 10W R2307 ERJ6GEYJ432 M 4 3KOHM J 1 10W R2308 ERJ6GEYJ432 M 4 3KOHM J 1 10W R2380 ERJ6GEYJ151 M 150OHM J 1 10W R2381 ...

Страница 38: ...RDS2TJ393 C 39KOHM J 1 4W R5520 ERJ6GEYJ221 M 220OHM J 1 10W Ref No Part No Part Name Description Remarks R5521 ERJ6GEYJ331 M 330OHM J 1 10W R5522 ERJ6GEYJ332 M 3 3KOHM J 1 10W R5523 ERJ6GEYJ222 M 2 2KOHM J 1 10W R5524 ERJ6GEYJ331 M 330OHM J 1 10W R5525 ERJ6GEYJ332 M 3 3KOHM J 1 10W R5526 ERJ6GEYJ222 M 2 2KOHM J 1 10W R553 ERJ6GEYJ223 M 22KOHM J 1 10W R5530 ERJ6GEYJ102 M 1KOHM J 1 10W R5531 ERJ6GE...

Страница 39: ...885 ERQ14AJ2R2P F 2 2OHM J 1 4W R901 ERJ6GEYJ122 M 1 2KOHM J 1 10W R902 ERJ6GEYJ102 M 1KOHM J 1 10W R903 ERJ6GEYJ563 M 56KOHM J 1 10W R904 ERJ6GEYJ223 M 22KOHM J 1 10W R951 ERJ6GEYJ821 M 820OHM J 1 10W R952 ERJ6GEYJ223 M 22KOHM J 1 10W Ref No Part No Part Name Description Remarks R953 ERJ6GEYJ332 M 3 3KOHM J 1 10W R954 ERJ6GEYJ561 M 560OHM J 1 10W R956 ERJ6GEYJ510 M 51OHM J 1 10W R958 ERJ6GEYJ391 ...

Страница 40: ...K09B00006 REAR AV TERMINAL JK3003 K4BK07B00008 REAR AV TERMINAL JK3101 K4BK07B00007 FRONT AV TERMINAL JK351 K3B095A00001 CRT SOCKET JS185 ERJ6GEY0R00 M 0OHM J 1 10W JS2132 ERJ6GEY0R00 M 0OHM J 1 10W JS2301 J0JKB0000034 EMI FILTER JS3018 ERJ6GEY0R00 M 0OHM J 1 10W JS3104 ERJ6GEY0R00 M 0OHM J 1 10W JS3105 ERJ6GEY0R00 M 0OHM J 1 10W JS3132 ERJ6GEY0R00 M 0OHM J 1 10W JS3133 ERJ6GEY0R00 M 0OHM J 1 10W ...

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