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8.4. CRT Circuit (TNP4G107AV)

TX-29P82X

23

Summary of Contents for TX-29P82X

Page 1: ...is a violation of law TX 29P82X MX 10 Chassis Video Sound Colour 31 5 MHz D K 32 5 MHz B G 32 0 MHz I 32 5 MHz M 33 57 MHz PAL 33 6 MHz SECAM 34 42 MHz NTSC 33 75 MHz SECAM Receiving Stereo Sound System QUADRA STEREO TEXT Video Audio Terminals AV 1 2 3 Y PB PR Monitor Out IN S Video Y 1 0Vp p 75Ω DVD IN S Video C 0 3Vp p 75Ω Phone type Y 1 0Vp p 75Ω PB PR 0 7Vp p 75Ω Video 1 0Vp p 75Ω Audio Approx...

Page 2: ... 9 5 8 COLOUR PURITY 10 5 9 CONVERGENCE 10 5 10 WHITE BALANCE MARKET MODE CHK 3 11 6 Memo 12 7 CONDUCTOR VIEWS 13 7 1 T Board TNP4G115AF and L Board TNP4G107AV 13 7 2 A Board TNP4G164AD 14 7 3 H Board TNP4G173AA X Board TNP4G108BB and GM Board TNP4G118AN 15 8 SCHEMATIC DIAGRAMS 17 8 1 SCHEMATIC DIAGRAM FOR MODEL TX 29P82X MX 10A CHASSIS 17 8 2 Main Board TNP4G164AD 19 8 3 Rear AV Circuit TNP4G173A...

Page 3: ...8 3 Rear AV Circuit TNP4G173AA TX 29P82X 21 ...

Page 4: ...8 7 Geomagnetic Circuit TNP4G118AN TX 29P82X 26 ...

Page 5: ...8 4 CRT Circuit TNP4G107AV TX 29P82X 23 ...

Page 6: ...8 2 Main Board TNP4G164AD Main Board 1 2 TX 29P82X 19 ...

Page 7: ...Main Board 2 2 TX 29P82X 20 ...

Page 8: ...8 SCHEMATIC DIAGRAMS 8 1 SCHEMATIC DIAGRAM FOR MODEL TX 29P82X MX 10A CHASSIS TX 29P82X 17 ...

Page 9: ...When the exposed metallic part has a return path to 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 e...

Page 10: ...2 Location of Controls and Circuit Boards 2 1 REAR VIEW 2 2 LOCATION AND FUNCTION NAME OF CIRCUIT BOARD 4 TX 29P82X ...

Page 11: ...3 Service Hints 3 1 HOW TO MOVE CHASSIS INTO SERVICE POSITION 1 Remove 9 screws 2 Draw out Main Chassis 3 Stand the Main Chassis 5 TX 29P82X ...

Page 12: ...eplaced option code should be re memorized Option code can be changed by pressing Volume or button To memorize press 0 of the 10 key button Display Adj Range COLOUR SYSTEM 0 6 MX 10A OFF ON C4 BIT OFF ON NOISE MUTE OFF ON SPEED OFF ON VCR GAME OFF ON YUV OFF ON AV3 OFF ON STEREO OFF ON GEO 0 2 SASO 0 2 TEXT OFF ON PANA DISPLAY OFF ON SOUND SYS 0 5 2 VCJ Adjustment Mode To change the screen item in...

Page 13: ... CORNER 1 00H 0FH TRAPEZOID 00H 3FH V LINEAR 00H 3FH 60 VS CORRECT 00H 3FH 50 VS CORRECT 00H 3FH H WIDTH 00H 3FH Note Picture will be changed to one horizontal line by pressing 5 of the 10 key button in the remote control 1 5 4 White Balance Adjustment Mode To change the screen item in CHK mode press 3 or 4 of the 10 key buttons Then the Date and Level changes by pressing Volume or button Display ...

Page 14: ...reen Control min CONTRAST min 1 Connect a DC voltage meter to D850 cathode and confirm the voltage is 141 0 2 0V 2 Connect a high voltage meter Electrostatic Type to an anode of the picture tube 3 Confirm that the high voltage is within the range of 31 0 0 7V 5 4 SUB TINT Item Preparation Adjustment Procedure 1 Receive a 3 58 MHz NTSC rainbow pattern 2 Connect oscilloscope to A21 pin 6 3 Set contr...

Page 15: ... a 2 3 0 5Vp p 2 Adjust Sub Colour control 3 Connect the oscilloscope probe to TPA40 4 Connect the waveform b 3 1 0 5Vp p 5 7 NTSC COLOUR OUTPUT Item Preparation Adjustment Procedure 1 Apply 3 58MHz NTSC Rainbow pattern 2 Connect an oscilloscope to TPA40 3 Connect a short jumper to FBT pin 3 or TPA34 and TPA32 4 Set control Picture menu DYNAMIC CONTROL Channel Colour Set STD 1 Adjust Bright Contro...

Page 16: ...s obtained 9 Adjust roughly the Low Light controls and make sure that a uniform white field is obtained 10 Tighten the clamp screw 5 9 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 ro...

Page 17: ... Note Do not 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 greys...

Page 18: ...9 PARTS LOCATION TX 29P82X 27 ...

Page 19: ...10 1 Replacement Parts List Notes 10 Replacement Parts List 29 TX 29P82X ...

Page 20: ...10W R572 ERJ6GEYJ273 M 27KOHM J 1 10W R573 ERJ6GEYJ274 M 270KOHM J 1 10W R574 ERJ6GEYJ563 M 56KOHM J 1 10W R575 ERJ6GEYJ104 M 100KOHM J 1 10W R576 ERJ6GEYJ564 M 560KOHM J 1 10W R584 ERJ6GEYJ272 M 2 7KOHM J 1 10W R585 ERJ6GEYJ392 M 3 9KOHM J 1 10W R586 ERJ6GEYJ153 M 15KOHM J 1 10W R587 ERJ6GEYJ102 M 1KOHM J 1 10W R588 ERJ6GEYJ513 M 51KOHM J 1 10W R589 ERJ6GEYJ683 M 68KOHM J 1 10W R608 ERJ6GEYJ101 M...

Page 21: ...4 ERJ6GEYJ472 M 4 7KOHM J 1 10W R3525 ERJ6GEYJ103 M 10KOHM J 1 10W R3526 ERJ6GEYJ472 M 4 7KOHM J 1 10W R3527 ERJ6GEYJ472 M 4 7KOHM J 1 10W Ref No Part No Part Name Description Remarks R3529 ERJ6GEYJ472 M 4 7KOHM J 1 10W R3530 ERJ6GEYJ472 M 4 7KOHM J 1 10W R3531 ERJ6GEY0R00 M 0OHM J 1 10W R3532 ERJ6GEYJ823 M 82KOHM J 1 10W R3533 ERJ6GEY0R00 M 0OHM J 1 10W R3534 ERJ6GEYJ561 M 560OHM J 1 10W R3535 ER...

Page 22: ... C1140 ECA1CM471B E 470UF 16V C1141 ECJ2VF1H103Z C 0 01UF Z 50V Ref No Part No Part Name Description Remarks C1145 ECJ2VF1H103Z C 0 01UF Z 50V C1146 ECJ2VF1H103Z C 0 01UF Z 50V C1147 ECA1CM220B E 220UF 16V C1148 ECJ2VF1H103Z C 0 01UF Z 50V C1150 ECUX1H151JCX C 150PF J 50V C1151 ECUX1H151JCX C 150PF J 50V C1152 ECUX1H151JCX C 150PF J 50V C1153 ECUX1H330JCX C 33PF J 50V C1160 ECJ2VC1H181J C 180PF J ...

Page 23: ...ZENER DIODE D815 ERA15 04 DIODE Ref No Part No Part Name Description Remarks D816 ERA15 01 DIODE D817 ERA15 01 DIODE D818 MA2240 B DIODE D819 AM01A DIODE D820 MA2082 A DIODE D821 MA2082 A DIODE D822 AK04 DIODE D823 ERA15 01 DIODE D824 MA167 DIODE D831 MA2560 DIODE D850 FMGG2CSLF665 DIODE D851 FMLG12S DIODE D853 FMLG12S DIODE D854 FMLG12S DIODE D855 AU02A DIODE D856 D1NL20UV70 DIODE D857 MCR22 6RLR...

Page 24: ...KOHM J 1 10W R506 ERJ6GEYJ102 M 1KOHM J 1 10W Ref No Part No Part Name Description Remarks R507 ERJ6GEYJ104 M 100KOHM J 1 10W R508 ERJ6GEYJ104 M 100KOHM J 1 10W R509 ERJ6GEYJ474 M 470KOHM J 1 10W R510 ERJ6GEYJ824 M 820KOHM J 1 10W R511 ER050CKF7322 M73 2KOHM F 1 2W R512 ERDS2TJ223 C 22KOHM J 1 4W R513 ERQ14AJ2R0E F 2 0OHM J 1 4W R514 ERDS1TJ394 C 390KOHM J 1 2W R515 ERQ1RJW1R0E F 1OHM J 1W R517 ER...

Page 25: ...0W R3102 ERJ6GEYJ750 M 75OHM 1 10W R3106 ERJ6GEYJ102 M 1KOHM J 1 10W R3107 ERJ6GEYJ104 M 100KOHM J 1 10W R3108 ERJ6GEYJ102 M 1KOHM J 1 10W R3109 ERJ6GEYJ104 M 100KOHM J 1 10W Ref No Part No Part Name Description Remarks R3505 ERJ8GEYJ102 M 1KOHM J 1 8W R3506 ERJ6GEYJ562 M 5 6KOHM J 1 10W R3507 ERJ8GEYJ102 M 1KOHM J 1 8W R4809 ERJ6ENF9091 M 9 09OHM 1 10W R4810 ERJ6ENF2213 M 221KOHM 1 10W R4811 ERJ6...

Page 26: ...50V C2139 ECJ2VC1H010C C 1PF C 50V C2140 ECJ2VC1H010C C 1PF C 50V C2330 ECA1CM101B E 100UF 16V C2801 ECA1HM010B E 1UF 50V C2802 ECJ2VF1H224Z C 0 22UF Z 50V Ref No Part No Part Name Description Remarks C2803 ECJ2VF1H103Z C 0 01UF Z 50V C2804 ECJ2VB1C104K C 0 1UF K 16V C2806 ECEA1HN3R3U E 3 3UF 50V C2807 ECEA1HN3R3U E 3 3UF 50V C2808 ECJ2VC1H102J C 1000PF J 50V C2810 ECJ2VF1H104Z C 0 1UF Z 50V C2811...

Page 27: ...3567 MA152WATX DIODE Ref No Part No Part Name Description Remarks D3568 MA152WATX DIODE D3572 MA152KTX DIODE D4801 MA3056MTX DIODE INTEDGRATED CIRCUITS IC351 TDA6103Q N3 LINEAR IC IC420 BA225 IC IC451 LA7833S LINEAR IC IC601 TB1251CN IC IC701 NJM4565L LINEAR IC IC801 STRF6656LF53 LINEAR IC IC860 SE140N LINEAR IC IC881 AN7812LB LINEAR IC IC882 AN7809 LINEAR IC IC884 PQ05RD1B LINEAR IC IC885 AN78L05...

Page 28: ...W JS3520 ERJ6GEY0R00 M 0OHM J 1 10W JS3530 ERJ6GEY0R00 M 0OHM J 1 10W JS3532 ERJ6GEY0R00 M 0OHM J 1 10W JS3534 ERJ6GEY0R00 M 0OHM J 1 10W JS3553 ERJ6GEY0R00 M 0OHM J 1 10W L1 TJS3A9680 7P CONNECTOR L2 TJS118590 2P CONNECTOR L3 TJS3A9680 7P CONNECTOR RT1 TJS3A9640 3P CONNECTOR RT2 TJS3A9640 3P CONNECTOR S801 ESB92DA1B SWITCH S1180 EVQ11G05R SWITCH S1181 EVQ11G05R SWITCH S1182 EVQ11G05R SWITCH S1183...

Page 29: ...8 6 Teletext Circuit TNP4G115AF TX 29P82X 25 ...

Page 30: ...8 5 Pincushion Circuit TNP4G108BB TX 29P82X 24 ...

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