background image

7.7. K Board

7.7.1. K Board (1/2)

<1A>

<2A>

<3A>

<4A>

<5A>

27

TC-29PS70R

Содержание TC-29PS70R

Страница 1: ...thorized copying and distribution is a violation of law TC 29PS70R MX 12 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 IN S Video Y 1 0Vp p 75Ω AV 1 2 3 4 DVD IN S Video C 0 3Vp p 75Ω Y PB PR Phone Type Y 1 0Vp p 75Ω PB PR 0 7Vp p 75Ω Video 1 0Vp p ...

Страница 2: ... 8 5 1 B VOLTAGE 8 5 2 RF AGC 8 5 3 HIGH VOLTAGE 8 5 4 SUB TINT 8 5 5 SUB CONTRAST 8 5 6 PAL COLOUR OUTPUT 9 5 7 NTSC COLOUR OUTPUT 9 5 8 COLOUR PURITY 10 5 9 CONVERGENCE 10 5 10 WHITE BALANCE MARKET MODE CHK 3 11 6 Conductor Views 12 6 1 A Board 12 7 Schematic Diagrams 13 7 1 SCHEMATIC DIAGRAM FOR MODEL TC 29PS70R MX 12 CHASSIS 13 7 2 A Board 15 7 3 GM Board 19 7 4 H Board 21 7 5 YC Board 23 7 6 ...

Страница 3: ...hen 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 ex...

Страница 4: ... R G B R L DY H OUT V OUT 3 3V 5V 9V 12V TRANS PRIMARY LIFE CCT AC LR AMP V SAW Y U V TB1261F H OUT EW VM R G B SIF OUT MON OUT R G B BLK Y CVBS 2 PIF DET C IN SIF PIF BLK R G B Y VBS 1 WOOFER AMP RESET WOOFER SDA IF SAW AV 1 VIDEO SW VBS OUT SVHS SW SVHS 1 Y C SVHS 2 Y C Y SIF MSP L OUT R OUT A IN WOOFER OUT MON OUT MON OUT U V AV 2 AV 3 SIF V A 4 TC 29PS70R ...

Страница 5: ...2 Location of Controls and Circuit Boards 2 1 REAR VIEW 2 2 LOCATION AND FUNCTION NAME OF CIRCUIT BOARD 5 TC 29PS70R ...

Страница 6: ...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 6 TC 29PS70R ...

Страница 7: ...set 2 Selection of CHK Mode Cursor moves each CHK Mode by pressing 1 or 2 of 10 key button on the remote control 1 CHK 1 OPTION 1 FF OPTION 2 00 OPTION 3 EE OPTION 4 00 OPTION 5 F2 OPTION 6 03 OPTION 7 01 OPTION 8 79 OPTION 9 DE 2 CHK 2 RF AGC 1E H AGC LVL 0A H S CONT 67 H S COL 46 H S TINT 0B H SECAM B Y 07 H SECAM R Y 07 H TEXT S LVL 47 H 3 CHK 3 S BRI 0A H R DRV 42 H B DRV 50 H R CUT 51 H G CUT...

Страница 8: ... Screen 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 co...

Страница 9: ... 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 TPA36 or TPL1 R OUT 3 Connect a short jumper to FBT pin 3 or TPA34 and TPA5 4 Set control Picture menu DYNAMIC CONTROL Channel Colour Set STD 1 Adjust ...

Страница 10: ...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...

Страница 11: ...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 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 12: ...6 Conductor Views 6 1 A Board 12 TC 29PS70R ...

Страница 13: ...7 Schematic Diagrams 7 1 SCHEMATIC DIAGRAM FOR MODEL TC 29PS70R MX 12 CHASSIS 13 TC 29PS70R ...

Страница 14: ...14 TC 29PS70R ...

Страница 15: ...7 2 A Board 7 2 1 A Board 1 4 1A 2A 3A 4A 5A 6A 7A 8A 9A 15 TC 29PS70R ...

Страница 16: ...7 2 2 A Board 2 4 1A 1B 3B 5B 6B 7B 8B 2B 4B 2A 3A 4A 5A 6A 7A 8A 9A 16 TC 29PS70R ...

Страница 17: ...7 2 3 A Board 3 4 1B 2B 3B 4B 5B 6B 7B 1B 3B 5B 6B 7B 8B 2B 4B 17 TC 29PS70R ...

Страница 18: ...7 2 4 A Board 4 4 1B 2B 3B 4B 5B 6B 7B 18 TC 29PS70R ...

Страница 19: ...7 3 GM Board 7 3 1 GM Board 1 2 1A 2A 3A 4A 5A 7A 6A 19 TC 29PS70R ...

Страница 20: ...7 3 2 GM Board 2 2 1A 2A 3A 4A 5A 7A 6A 20 TC 29PS70R ...

Страница 21: ...7 4 H Board 7 4 1 H Board 1 2 1A 2A 3A 4A 5A 6A 7A 8A 9A 21 TC 29PS70R ...

Страница 22: ...7 4 2 H Board 2 2 1A 2A 3A 4A 5A 6A 7A 8A 9A 22 TC 29PS70R ...

Страница 23: ...7 5 YC Board 7 5 1 YC Board 1 2 1A 2A 3A 4A 5A 23 TC 29PS70R ...

Страница 24: ...7 5 2 YC Board 2 2 1A 2A 3A 4A 5A 24 TC 29PS70R ...

Страница 25: ...7 6 L Board 7 6 1 L Board 1 2 1A 2A 3A 4A 5A 25 TC 29PS70R ...

Страница 26: ...7 6 2 L Board 2 2 1A 2A 3A 4A 5A 26 TC 29PS70R ...

Страница 27: ...7 7 K Board 7 7 1 K Board 1 2 1A 2A 3A 4A 5A 27 TC 29PS70R ...

Страница 28: ...7 7 2 K Board 2 2 1A 2A 3A 4A 5A 28 TC 29PS70R ...

Страница 29: ...7 8 X Board 7 8 1 X Board 1 2 1A 2A 3A 4A 5A 29 TC 29PS70R ...

Страница 30: ...7 8 2 X Board 2 2 1A 2A 3A 4A 5A 30 TC 29PS70R ...

Страница 31: ...8 Parts Locations 31 TC 29PS70R ...

Страница 32: ...9 1 Replacement Parts List Notes 9 Replacement Parts List 32 TC 29PS70R ...

Страница 33: ...R540 ERDS2TJ561 C 560OHM J 1 4W R541 ERDS2TJ241 C 240OHM J 1 4W R542 ERG3FJ392H M 3 9KOHM J 3W R544 ERG3FJ102 M 1KOHM J 3W R579 ER0S2CHF4221 M4 22KOHM F 1 4W R584 ERJ6GEYJ272 M 2 7KOHM J 1 10W R585 ERDS2TJ392 C 3 9KOHM J 1 4W R586 ERJ6GEYJ223 M 22KOHM J 1 10W R587 ERJ6GEYJ102 M 1KOHM J 1 10W R588 ERJ6GEYJ513 M 51KOHM J 1 10W R589 ERJ6GEYJ683 M 68KOHM J 1 10W R601 ERJ6GEYJ333 M 33KOHM J 1 10W R602 ...

Страница 34: ...2 M 1KOHM J 1 10W R3074 ERJ6GEYJ102 M 1KOHM J 1 10W R3075 ERJ6GEYJ184 M 180KOHM J 1 10W R3076 ERJ6GEYJ184 M 180KOHM J 1 10W R3082 ERJ6GEYJ101 M 100OHM J 1 10W R3083 ERJ6GEYJ101 M 100OHM J 1 10W Ref No Part No Part Name Description Remarks R3084 ERJ6GEYJ103 M 10KOHM J 1 10W R3085 ERJ6GEYJ104 M 100KOHM J 1 10W R3086 ERJ6GEYJ104 M 100KOHM J 1 10W R3087 ERJ6GEYJ750 M 75OHM 1 10W R3088 ERJ6GEYJ102 M 1K...

Страница 35: ...0UF 50V C751 ECQB1H393JF P 0 039UF J 50V C752 ECA1HM100B E 10UF 50V C753 ECKR1H101KB5 C 100PF K 50V C760 ECA1HHG101 E 100UF 50V Ref No Part No Part Name Description Remarks C761 ECQB1H102KF P 1000PF K 50V C762 ECQV1H105JM P 1UF J 50V C763 ECQV1H105JM P 1UF J 50V C765 ECEA1HGE100 E 10UF 50V C766 ECQB1H223JF P 0 022UF J 50V C801 ECQU2A224BN9 P 0 22UF 250V C802 ECQU2A224BN9 P 0 22UF 250V C806 ECKWAE4...

Страница 36: ...205 CONNECTOR L101 EXCELDR35V CORE L111 TLTACTR56K PEAKING COIL L140 TALV35VB8R2K PEAKING COIL L180 TALV35VB6R8K PEAKING COIL L188 EXCELSA35T BEAD CORE L189 EXCELSA35T BEAD CORE L352 EXCELSA24T BEAD CORE L401 TALV35VB680K PEAKING COIL L501 EXCELSA35T BEAD CORE L511 EXCELSA39V BEAD CORE L512 EXCELSA39V BEAD CORE L515 EXCELSA35T BEAD CORE L551 EXCELDR35C BEAD CORE Ref No Part No Part Name Descriptio...

Страница 37: ...0078 TRANSISTOR S PORE ONLY Q4802 B1ABCF000078 TRANSISTOR S PORE ONLY Q5501 B1ABCF000078 TRANSISTOR Q5502 B1ABCF000078 TRANSISTOR Q5503 2SB709ATX TRANSISTOR JA38 ERJ6GEY0R00 M 0OHM J 1 10W JA40 ERJ6GEY0R00 M 0OHM J 1 10W JA41 ERJ6GEY0R00 M 0OHM J 1 10W JA42 ERJ6GEY0R00 M 0OHM J 1 10W JA50 ERJ6GEY0R00 M 0OHM J 1 10W JA60 ERJ6GEY0R00 M 0OHM J 1 10W JA61 ERJ6GEY0R00 M 0OHM J 1 10W JA70 ERJ6GEY0R00 M ...

Страница 38: ...0KOHM J 1 10W R750 ER0S2CHF4992 M49 9KOHM F 1 4W R751 ERD25TJ104 C 100KOHM J 1 4W R752 ERDS2TJ103 C 10KOHM J 1 4W Ref No Part No Part Name Description Remarks R753 ERDS2TJ821 C 820OHM J 1 4W R755 ER0S2CHF1503 M 150KOHM F 1 4W R756 ER0S2CKF1152 M11 5KOHM F 1 4W R758 TAR26NJ2R7Z W 2 7OHM J 7W R760 ERJ6GEYJ393 M 39KOHM J 1 10W R761 ERJ6GEYJ393 M 39KOHM J 1 10W R762 ERJ6GEYJ273 M 27KOHM J 1 10W R764 E...

Страница 39: ... S PORE ONLY R4842 ERJ6GEYJ102 M 1KOHM J 1 10W S PORE ONLY R4843 ERJ6GEYJ471 M 470OHM J 1 10W S PORE ONLY R4844 ERJ6GEYJ561 M 560OHM J 1 10W S PORE ONLY Ref No Part No Part Name Description Remarks R4850 ERJ6GEYJ104 M 100KOHM J 1 10W S PORE ONLY R4851 ERJ6GEYJ104 M 100KOHM J 1 10W S PORE ONLY R4852 ERJ6GEYJ104 M 100KOHM J 1 10W S PORE ONLY R4853 ERJ6GEYJ104 M 100KOHM J 1 10W S PORE ONLY R4854 ERJ6...

Страница 40: ...0UF 16V C1001 ECUX1H101JCX C 100PF J 50V C1002 ECJ2VF1H103Z C 0 01UF Z 50V C1003 ECA1CM221B E 220UF 16V C1101 ECJ2VC1H471J C 470PF J 50V C1102 ECJ2VF1H103Z C 0 01UF Z 50V C1103 ECJ2VF1H103Z C 0 01UF Z 50V Ref No Part No Part Name Description Remarks C1104 ECJ2VC1H102J C 1000PF J 50V C1120 ECA1HM4R7B E 4 7UF 50V C1121 ECA1HM4R7B E 4 7UF 50V C1131 ECJ2VC1H560J C 56PF J 50V C1132 ECJ2VC1H560J C 56PF ...

Страница 41: ...PEAKING COIL L5520 TALV35VB100J PEAKING COIL L5537 EXCELDR35V CORE L5538 EXCELDR35V CORE L5539 EXCELDR35V CORE L5550 TLTACT150J PEAKING COIL L5551 G0C101J00001 PEAKING COIL L5552 EXCELDR25V CORE L5554 EXCELDR35V CORE L5555 TALV35VB100J PEAKING COIL Ref No Part No Part Name Description Remarks L5556 TLTACT150J PEAKING COIL L5557 EXCELSA35T BEAD CORE L5558 TSK1032 BEAD CORE L5570 TLTACT270J PEAKING ...

Страница 42: ...0 TJSF29207 CONNECTOR F840 XBA2C40TR0 FUSE 250V 4A GM1 TJS3A9890 9P CONNECTOR S PORE ONLY GM2 TJS3A9660 CONNECTOR S PORE ONLY H1 TJS3A9890 9P CONNECTOR H11 K1YB40000002 CONNECTOR H14 K1KA02B00044 2P CONNECTOR H19 TJS118590 2P CONNECTOR JA1 ERJ6GEY0R00 M 0OHM J 1 10W JA2 ERJ6GEY0R00 M 0OHM J 1 10W JA3 ERJ6GEY0R00 M 0OHM J 1 10W JA4 ERJ6GEY0R00 M 0OHM J 1 10W JA5 ERJ6GEY0R00 M 0OHM J 1 10W JA6 ERJ6G...

Отзывы: