Panasonic TX-21PM30T Service Manual Download Page 11 | Manualshive

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3 L-BOARD

TNP4G137AA

10

TX-21PM30T

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Summary of Contents for TX-21PM30T

Page 1: ...NTSC M JAPAN Measured diagonally 90 deflection 2 13 NTSC M U S A UHF 21 69 PAL G H I SECAM G K K1 28 69 PAL B AUST Audio Output 3 5W x 2 7W 13 57 PAL D K 13 62 NTSC M JAPAN 14 69 NTSC M U S A CATV S1 S41 OSCAR Dimensions Height 473 6 mm 1 125 U S A CATV Width 600 0 mm C13 C41 JAPAN Depth 484 4 mm S21 S41 HYPER Z1 Z37 CHINA Mass 23 4 kg Intermediate Frequency Video 38 0 MHz Specifications are subje...

Page 2: ...not designed for use by the general public It does not contain warning cautions to advise non technical individuals of potential dangers in attempting to service a product Product powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service literature by anyone else could resul...

Page 3: ...re handling the tube After servicing make the following leakage current checks to prevent the customer from being exposed to shock hazards Leakage Current Cold Check 1 Unplug the AC cord and connect a jumper between the two prongs on the plug 2 Turn on the receiver s power switch Measure the resistance value with an ohmmeter between the jumper AC plug and each exposed metal lic cabinet part on the...

Page 4: ... the remocon to get into Service Mode 3 Measure the EHT The meter reading should indicate 27 0 1 0 kV If the meter indication is out of tolerance immediate service and correction is required to prevent the possibility of premature component failure 4 To prevent the possibility X Radiation it is essential to use the specifield picture tube if service replacement becomes necessary 1 5 MX 7 Chassis B...

Page 5: ...nt How To Set To set the Factory mode press Volume 0 dac on the TV and Timer Setting 30min on the remote control and press Volume Down button on the TV together press recall on the remote control CHK should appear on right of TV screen To move from CHK1 to CHK2 mode etc please follow below rotation To Set Self Check Press the volume down button on TV than press the off timer button on remote contr...

Page 6: ... 2 Adjust R CUT OFF so that X 0 235 0 01nit 3 Adjust G CUT OFF so that y 0 235 0 01nit Adjustment of High Light 1 Adjust Sub Bright so that Y 270 nit 2 Adjust R Drive so that X 0 265 0 01nit 3 Adjust B Drive so that y 0 265 0 01nit Adjustment for CRT CUT OFF Preparation 1 Connect ocilloscope probe to TPL7 2 Screen VR min 3 Set the data Sub Bright Bright 4 In service Mode at Bright dac press 5 in f...

Page 7: ...GC at Tuner voltage drop High Voltage 1 Receive the crosshatch pattern 1 Connect a DC voltage meter to TPA 12 and confirm the B voltage is 141 2 0 8V 2 Set to 0 Beam 2 Connect a high frequency voltmeter to heater and Screen VR minimum confirm that voltage reads 6 3 0 24 VRMS Contrast minimum 3 Normalize the brightness and contrast Item Preparation Adjustment Produre Connect a short jumper between ...

Page 8: ...4 Connect TPA 10 to TPA 20 5 Set A to 2 3 0 2V by BRT CHK2 Fig 1 Adjustment 1 Connect oscilloscope probe to TPA 31 G OUT with 10k series resistor and adjust Contrast so that B as in Fig 1 is 2 8 0 1V 2 Adjust Sub Colour so that waveform as in Fig 1 1 2 55 0 1V 3 Connect oscilloscope probe to TPA 32 R OUT with 10k series resistor and confirm waveform as in Fig 2 is 2 2 7 0 4V Fig 1 Fig 2 B 1 A 2 A ...

Page 9: ...e A in Fig 24 and move the deflection yoke as close to the purity magnet as possible 8 Adjust the purity magnetic rings so that a vertical green field is obtained at the cntre of the screen Fig 22 4 Adjust Red and Blue with Green line at centre of the screen by rotating RB G static convergence magnetic rings 5 Lock convergence magnetic with silicne sealer 6 Remove the DY wedges and slightly tilt t...

Page 10: ... from each other 3 Be certain that four wedges are firmly fixed and the Deflection Yoke is tightly clamped in place Otherwise the Deflection Yoke may shift its position and cause a loss of convergence and purity 25 3 mm R B Static Convergence Magnet Purity Magnet RB G Static Convergence Magnet Clamp for Convergence Purity Magnet Deflection Yoke ...

Page 11: ...3 L BOARD TNP4G137AA 10 TX 21PM30T ...

Page 12: ...4 Z1 BOARD TNP4G139AA 11 TX 21PM30T ...

Page 13: ...5 A BOARD TNP4G136BC 12 TX 21PM30T ...

Page 14: ...iving Signal Colour Bar signal RF All customer s controls Maximum positions 7 Number in red circle indicates waveform number See waveform pattern table 8 When arrow mark is found connection is easily found from the direction of arrow 9 Indicates the major signal flow 10 This schematic diagram is the latest at the time of printing and subject to change without notice Remarks 1 The Power Circuit con...

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Page 20: ...9 3 Part Location 1 2 19 TX 21PM30T ...

Page 21: ...9 4 Part Location 2 2 20 TX 21PM30T ...

Page 22: ...n E Electrolytic P Polyester Polypropylene T Tantalum C 0 25pF D 0 5pF F 1pF G 3 J 5 K 10 L 15 M 20 P 100 0 Z 80 20 Important Safety Notice Components identified by mark have special characteristics important for safety When replacing any of these components use manufacturer s specified parts Note Printed circuit board assembly with NLA is no longer available after production discontinuation of th...

Page 23: ...ailable after production discontinuation of the complete set Abbreviation of part name and description 1 Resistor 2 Capacitor Example Example ERD25TJ104 C 100KOHM J 1 4W ECKF1H103ZF C 0 01UF Z 50V Type Allowance Type Allowance Type Allowance Type Allowance C Carbon F 1 C Carbon C 0 25pF F Fuse G 2 E Electrolytic D 0 5pF M Metal Oxide J 5 P Polyester F 1pF Metal Film K 10 Polypropylene G 3 S Solid ...

Page 24: ...5KOHM J 1 4W 24 TSX4G111H AC POWER CORD R445 ERJ6GEYJ473 M 47KOHM J 1 10W 25 TXFKY01RP4V CABINET ASSY R446 ERJ6GEYJ473 M 47KOHM J 1 10W TXFPD02QL2S CUSHION BOTTOM R447 ERJ6GEYJ472 M 4 7KOHM J 1 10W RESISTORS R448 ERJ6GEYJ242 M 2 4KOHM J 1 10W R003 ERJ6GEYJ100 M 10OHM J 1 10W R449 ERJ6GEYJ152 M 1 5KOHM J 1 10W R004 ERG2SJ183E M 18KOHM J 2W R502 ERJ6GEYJ182 M 1 8KOHM J 1 10W R006 ERJ6GEYJ273 M 27KOH...

Page 25: ...00 M 10OHM J 1 10W R636 ERJ6GEYJ562 M 5 6KOHM J 1 10W R1101 ERJ6GEYJ332 M 3 3KOHM J 1 10W R637 ERJ6GEYJ473 M 47KOHM J 1 10W R1102 ERJ6GEYJ153 M 15KOHM J 1 10W R638 ERJ6GEYJ391 M 390OHM J 1 10W R1103 ERJ6GEYJ103 M 10KOHM J 1 10W R639 ERJ6GEYJ101 M 100OHM J 1 10W R1104 ERJ6GEYJ562 M 5 6KOHM J 1 10W R640 ERJ6GEYJ181 M 180OHM J 1 10W R1105 ERJ6GEYJ562 M 5 6KOHM J 1 10W R641 ERJ6GEY0R00 M 0OHM J 1 10W ...

Page 26: ...330UF 10V C629 ECUX1H104KBX C 0 1UF K 50V C008 ECEA1HKA010 E 1UF 50V C631 ECJ2VB1H472K C 4700PF K 50V C109 ECJ2VF1H103Z C 0 01UF Z 50V C633 ECJ2ZF1C105Z C 1UF Z 16V C116 ECJ2VF1H103Z C 0 01UF Z 50V C634 ECJ2ZF1C105Z C 1UF Z 16V C117 ECJ2VB1H103J C 0 01UF 50V C635 ECJ2VF1H104Z C 0 1UF Z 50V C120 ECJ2VF1H103Z C 0 01UF Z 50V C636 ECEA1CKA101 E 100UF 16V C121 ECJ2VF1H103Z C 0 01UF Z 50V C639 ECA1HM220...

Page 27: ...ERA22 04 DIODE C2214 ECA1HM2R2B E 2 2UF 50V D361 ERA22 04 DIODE C2215 ECA1HM2R2B E 2 2UF 50V D362 ERA22 04 DIODE C2307 ECEA1HKN010 E 1UF 50V D363 1SS133T77 DIODE C2308 ECJ2VC1H391J C 390PF J 50V D365 MTZJ10C ZENER DIODE C2352 ECA1HM010B E 1UF 50V D375 1SS133T77 DIODE C2353 ECA1CM100B E 10UF 16V D402 D1FL20UF4063 DIODE C2354 ECA1CM471B E 470UF 16V D403 MTZJ33B ZENER DIODE C2357 ECEA1HKN010 E 1UF 50...

Page 28: ... 1 10W IC1104 RPM6937 REMOTE CONTROL R JS19 ERJ6GEY0R00 M 0OHM J 1 10W IC1201 PQ1R33 LINEAR IC JS20 ERJ6GEY0R00 M 0OHM J 1 10W IC1202 AN78L05 LINEAR IC JS24 ERJ6GEY0R00 M 0OHM J 1 10W IC2201 TDA9820T V1 IC JS28 ERJ6GEY0R00 M 0OHM J 1 10W IC2303 AN7522 LINEAR IC JS31 ERJ6GEY0R00 M 0OHM J 1 10W TRANSISTORS JS34 ERJ6GEY0R00 M 0OHM J 1 10W Q001 2SC2412KT TRANSISTOR JS35 ERJ6GEY0R00 M 0OHM J 1 10W Q101...

Page 29: ...X2201 SFSH6R0MDB CERAMIC FILTER X2202 EFCS5R5MS5 CERAMIC FILTER X2203 EFCS6R5MS5 CERAMIC FILTER X2204 EFCS4R5MS5 FILTER Z9 TJS4G8080 20P CONNECTOR Z22 TJS1A8100 PHONO PIN ...

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