Panasonic TX-21RX20M-MALAYSIA Скачать руководство пользователя страница 33 | Manualshive

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5.3. V Board

5.3.1. V Board (1/2)

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TX-21RX20M-MALAYSIA

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Содержание TX-21RX20M-MALAYSIA

Страница 1: ...ric Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law TX 21RX20M MALAYSIA GP41Z Chassis Video Audio Terminal DVD Y 1 0 Vp p 75 PB 0 7 Vp p 75 PR 0 7 Vp...

Страница 2: ...7 2 4 Adjustment for CRT CUT OFF 7 2 5 Adjustment Procedure 7 2 6 Adjustment of Purity 8 3 Location of Lead Wiring 20 3 1 Wire Dressing 20 3 2 Wire Dressing and Connections 21 4 Conductor Views 22 5...

Страница 3: ...he tube After servicing make the following leakage current check to prevent the customer from being exposed to shock hazards 1 2 Leakage Current Cold Check 1 Unplug the power cord and connect a jumper...

Страница 4: ...rated high voltage meter 1 Set the brightness to minimum 2 Use the remote to get into Service Mode 3 Measure the EHT The meter reading should indicate 24 0 1 5 kV If the meter indication is out of tol...

Страница 5: ...G B SCL SDA CVBS IN REAR INPUTS AV1 V L R AV3 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 SCL SDA A_IN IF H A AUDIO OUT V SPEAKER AUDIO AMP IC2301 V OUT TUNER...

Страница 6: ...Store Save selected item Normalize Exit service mode 3 Service Mode 2 Controls To enter SERVICE 2 press channel key 1 in SERVICE 1 entry screen Key 3 4 Previous Next Service 2 Item Key 8 9 Toggle for...

Страница 7: ...hat X 0 263 0 003 nit 3 Adjustment B Drive so that Y 0 261 0 003 nit 2 4 Adjustment for CRT CUT OFF Preparation 1 Connect the oscilloscope probe to TPL5 2 Screen VR min 3 Set the data Sub Bright Brigh...

Страница 8: ...ive the purity pattern White pattern d Picture menu CONTRAST Max BRIGHT Max e Set V CENTER to 4 f Static convergence should have been roughly adjusted g Connect DC current meter through FBT pin 3 and...

Страница 9: ...t secure magnets with magnet lock of white lacquer Beams move with rotating when static magnet is turned Rotational reduce of beams differs by angle of two magnets Therefore repeat magnet adjustment s...

Страница 10: ...tion VRS Mag Set VRS Mg that 2 magnets are top position c Set geomagnetic correction DAC As in TABLE 1 2 ADJUSTMENT a Receive the white balance pattern b Adjust V CENTER c Set R B CUT OFF to minimum a...

Страница 11: ...T MENU b Confirm that it leans right side as shown Fig 1 when change the DAC c Confirm that it leans left side as shown Fig 1 when change the DAC d Confirm that purity is changed when change the DAC e...

Страница 12: ...TMENT 1 PREPARATION a Receive crosshatch pattern E 4 b Picture menu DYNAMIC NORMAL 2 ADJUSTMENT a Adjust focus VR for best position Adjust focus base on no 6 line Fig 1 Crosshatch Pattern 12 TX 21RX20...

Страница 13: ...IC Normal 3 CONFIRMATION AND ADJUSTMENT a Adjustment of 50 Hz V CENTER a Receive the monoscope pattern E11 b Adjust V POS so that centre of monoscope pattern is at CRT centre b Adjustment of 50 Hz V A...

Страница 14: ...ive the Philips pattern US11 b Adjust V POS so that centre of Philips pattern is at 2 3 of Top and Bottom A B Fig 3c is 2 3 of viewable size b Adjustment of 50 Hz V AMP a Receive the Philips pattern U...

Страница 15: ...H AMP so that both edges are within 2 5 0 2 Refer to Fig 1 Fig 1 5 EW ADJUSTMENT CONFIRMATION a PREPARATION a Receive crosshatch pattern E4 b EW ADJUSTMENT a Adjust the vertical line no 2 to straight...

Страница 16: ...pattern E11 If no burst signal Set to force PAL b Set the aspect to 16 9 c Confirm that A B in Fig 1 is 4 0 cm 1 5 if not adjust V ZOOM d Receive NTSC monoscope patern US13 If no burst signal Set to...

Страница 17: ...ig 3 is 2 0 0 1 A B Fig 3 is 2 0 0 1 Fig 3 c Adjustment of 60 Hz H CENTER a Receive the monoscope pattern US13 b Adjust H POS 60 Hz offset so that horizontal position is at centre of CRT d Adjustment...

Страница 18: ...ent of TRAPEZOID a Adjust the vertical line to straight line of both sides of vertical lines trapezoid in Fig 3 by TRAPEZ 1 Fig 3 4 Adjustment of UPPER CORNER AND LOWER CORNER a Adjust the EW at corne...

Страница 19: ...6 Adjustment of BOW a Adjust BOW so that the vertical lines are straight Fig 6 Fig 6 19 TX 21RX20M MALAYSIA...

Страница 20: ...3 Location of Lead Wiring 3 1 Wire Dressing 20 TX 21RX20M MALAYSIA...

Страница 21: ...RE MUST BE INSERTED AT G BOARD AND K B0ARD CONNECTERS SINGLE CLAMP DOUBLE CLAMP SAFETY CAUTION POINTS 1 ALL LEAD MUST NOT TOUCH THE HIGH TEMPERATURE PARTS HEAT SINK FBT POWER CIRCUIT 2 DY LEAD MUST BE...

Страница 22: ...4 Conductor Views 22 TX 21RX20M MALAYSIA...

Страница 23: ...noted 3 Coil Unit of inductance is H unless otherwise noted 4 Test Point Test Point position 5 Earth Symbol Chassis Earth Cold Line Earth Hot 6 Voltage Measurement Voltage is measured using DC voltmet...

Страница 24: ...in the schematic diagram Take the following precautions All circuits except the Power Circuit are cold Precautions a Do not touch the hot part or the hot and cold parts at the same time or you may be...

Страница 25: ...5 1 A Board 5 1 1 A Board 1 5 1A 2A 3A 5A 4A 6A 7A 8A 25 TX 21RX20M MALAYSIA...

Страница 26: ...5 1 2 A Board 2 5 1B 2B 3B 4B 5B 6B 7B 1A 2A 3A 5A 4A 6A 7A 8A 26 TX 21RX20M MALAYSIA...

Страница 27: ...5 1 3 A Board 3 5 1C 2C 3C 4C 5C 6C 8C 7C 1B 2B 3B 4B 5B 6B 7B 27 TX 21RX20M MALAYSIA...

Страница 28: ...5 1 4 A Board 4 5 1D 2D 3D 4D 5D 7D 8D 9D 6D 1C 2C 3C 4C 5C 6C 8C 7C 28 TX 21RX20M MALAYSIA...

Страница 29: ...5 1 5 A Board 5 5 1D 2D 3D 4D 5D 7D 8D 9D 6D 29 TX 21RX20M MALAYSIA...

Страница 30: ...5 2 L Board 5 2 1 L Board 1 3 1A 2A 3A 4A 5A 30 TX 21RX20M MALAYSIA...

Страница 31: ...5 2 2 L Board 2 3 1B 2B 3B 4B 1A 2A 3A 4A 5A 31 TX 21RX20M MALAYSIA...

Страница 32: ...5 2 3 L Board 3 3 1B 2B 3B 4B 32 TX 21RX20M MALAYSIA...

Страница 33: ...5 3 V Board 5 3 1 V Board 1 2 1A 2A 3A 4A 33 TX 21RX20M MALAYSIA...

Страница 34: ...5 3 2 V Board 2 2 1A 2A 3A 4A 34 TX 21RX20M MALAYSIA...

Страница 35: ...5 4 G Board 5 4 1 G Board 1 2 1A 2A 3A 4A 5A 6A 7A 8A 9A 35 TX 21RX20M MALAYSIA...

Страница 36: ...5 4 2 G Board 2 2 1A 2A 3A 4A 5A 6A 7A 8A 9A 36 TX 21RX20M MALAYSIA...

Страница 37: ...5 5 K Board 5 5 1 K Board 37 TX 21RX20M MALAYSIA...

Страница 38: ...5 6 SW Board 5 6 1 SW Board 1 2 1A 2A 3A 38 TX 21RX20M MALAYSIA...

Страница 39: ...5 6 2 SW Board 2 2 1A 2A 3A 39 TX 21RX20M MALAYSIA...

Страница 40: ...6 Parts Locations 6 1 Packing Exploded View A 40 TX 21RX20M MALAYSIA...

Страница 41: ...6 2 Packing Exploded View B 41 TX 21RX20M MALAYSIA...

Страница 42: ...6 3 Parts Locations 42 TX 21RX20M MALAYSIA...

Страница 43: ...03ZF C 0 01 F Z 50 V Type Allowance C Carbon C 0 25 pF F Electrolytic D 0 5 pF P Polyester Polypropylene F G 1 pF 3 S Tantalum J 5 K 10 L 15 M 20 P 100 0 Z 80 20 7 Replacement Parts List Note Printed...

Страница 44: ...105Z C 1UF Z 16V C3169 ECJ1VF1C105Z C 1UF Z 16V C356 F1H1H102A971 C 1000PF J 50V C360 ECKW3D102KBP C 1000PF K 2KV C363 ECA1CM100B E 10UF 16V C366 F2A1C101A310 E 100UF 16V C368 ECA2EM100B E 10UF 250V C...

Страница 45: ...9 DIODE D365 B0AACJ000009 DIODE D366 B0AACJ000009 DIODE D367 B0AACJ000009 DIODE D368 B0AACK000004 DIODE D402 B0HAJL000003 DIODE D503 B0AACJ000009 DIODE D504 B0AACJ000009 DIODE D507 B0ACCK000005 DIODE...

Страница 46: ...1KOHM J 1 16W R1114 ERJ3GEYJ151 M 150OHM J 1 16W R1115 ERJ3GEYJ101 M 100OHM J 1 16W R1131 ERJ3GEYJ220 M 22OHM J 1 16W R1132 ERJ3GEYJ220 M 22OHM J 1 16W R1140 D1AC1002A094 M 10KOHM F 1 16W R1142 ERJ3EK...

Страница 47: ...M J 1 16W R686 ERJ3GEYJ104 M 100KOHM J 1 16W R701 ERJ3GEYJ103 M 10KOHM J 1 16W R702 ERJ3GEYJ680 M 68OHM J 1 16W R703 ERJ3GEYJ472 M 4 7KOHM J 1 16W R704 ERJ3GEYJ471 M 470OHM J 1 16W Ref No Part No Part...

Страница 48: ...J 1 16W JS631 ERJ3GEY0R00 M 0OHM J 1 16W JS632 ERJ3GEY0R00 M 0OHM J 1 16W JS633 ERJ3GEY0R00 M 0OHM J 1 16W JS634 ERJ3GEY0R00 M 0OHM J 1 16W JS670 ERJ3GEY0R00 M 0OHM J 1 16W JS807 ERJ6GEY0R00 M 0OHM J...

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