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Panasonic TX-29FX20R Service Manual
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Panasonic TX-29FX20R Service Manual

Panasonic TX-29FX20R Service Manual

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ORDER NO. MTV0601420CE
Colour Television
TX-29FX20R
GP41 Chassis
SPECIFICATIONS
Specifications
1

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Summary of Contents for Panasonic TX-29FX20R

  • Page 1 ORDER NO. MTV0601420CE Colour Television TX-29FX20R GP41 Chassis SPECIFICATIONS Specifications...

  • Page 2: Safety Precautions

    5A, 9A (AUST) Video / Audio Terminals : 1.0Vp-p, 75 0.7Vp-p, 75 0.7Vp-p, 75 AV 1,2,3 Video In 1Vp-p, 75 Audio In Approx. 0.5V, 47k Monitor Out Video Out 1Vp-p, 75 Audio Out Approx. 0.5V, 1k Intermediate Frequency : Video 38.0 MHz Sound 31.5 MHz (D, K, K1)
  • Page 3 1. It is advisable to insert an isolation transformer in the AC supply before servicing this hot chassis. 2. When servicing, observe the original lead dress, especially the lead dress in the high voltage circuits. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit.

  • Page 4: Service Hints

    The current from any point should not exceed 0.7 mA peak AC or 2 mA DC. In the case of a measurement being outside of these limits specified, there is a possibility of a shock hazard and the receiver should be repaired and rechecked before it is returned to the customer. Fig.
  • Page 5 Fig. 2 2.2. Adjustment for White Balance Preparation: 1. Receive the white balance pattern and aging should have been performed over 30 minutes. 2. Set the picture menu to DYNAMIC NORMAL. 3. Degausse the CRT face. 4. Fix the CRT colour analyzer receiver unit to CRT face. Adjustment of Low Light.
  • Page 6 2.4. Adjustment Procedure 2.4.1. +B Voltage Item / preparation 1. Operate the TV set. 2. Set control as follows : Brightness ... minimum Contrast ....minimum Adjustment procedure 1. Confirm the DC voltage at the indicated test points, as follows : TPA 15 : 3.35 ±...
  • Page 7 1. Connect a DC voltage meter to TPA 16 and confirm the +B voltage is 141.0 ± 2V. 2. Connect a high frequency voltmeter to heater and confirm that voltage reads 6.3 ± 0.24 (VRMS). 3. Normalize the brightness and contrast. 2.5.
  • Page 8 is obtained. Fig. 21 10. Re-adjust the Low Light controls to their correct settings and make sure that a uniform white field is obtained. 11. Tighten the clamp screw A in Fig. 10. Convergence 1. Apply a crosshatch pattern signal and Normalize Contrast control to the maximum positions.
  • Page 9 and horizontally to obtain the good overall convergence. Fig. 9 7. Fix the Deflection Yoke by reinserting the DY wedges. Refer to Fig. 10. 8. If purity error is found, repeat “Colour Purity” adjustment. Fig. 10 Fig. 11...
  • Page 10 Notes: 1. Wedge A, B and C should be inserted following the sequence of 1, 2 and 3 shown in Fig. 11. 2. The wedges should be set 120° apart from each other. 3. Be certain that three wedges are firmly fixed and the Deflection Yoke is tightly clamped in place.
  • Page 12 4.1. A Board 4.1.1. A Board (1/5) 4.1.2. A Board (2/5) 4.1.3. A Board (3/5) 4.1.4. A Board (4/5) 4.1.5. A Board (5/5) 4.2. L Board 4.2.1. L Board (1/3) 4.2.2. L Board (2/3) 4.2.3. L Board (3/3) 4.3. G Board...

  • Page 13: Parts Locations

    4.3.1. G Board (1/3) 4.3.2. G Board (2/3) 4.3.3. G Board (3/3) 5. Parts Locations 6. Replacement Parts List...
  • Page 14 Part No. Part Name & Description Remarks A68LZU185X-E PICTURE TUBE EAS15S17A SPEAKER N2QAJB000161 REMOTE CONTROL TBM4G1319 MODEL NAME PLATE TBM4G3017 PANASONIC BADGE TBX4G91111 POWER BUTTON TES4G214 SPRING (POWER BUTTON) TES4G406 COIL SPRING TES4G409-1 SPRING (DOOR) THT4G1011J SCREW (SPEAKER) THT4G10139 SCREW...
  • Page 15 Ref. No. Part No. Part Name & Description Remarks TNP4G386AG G BOARD TPE4G14038 SET COVER TQB4G5025 FAN BAG TSMA011 MAGNET TSN63115-4 PURITY MAGNET TSX4G195L-1 AC POWER CORD TXFKY01DG07 CABINET ASSY TXFPC01DG07 CARTON TXFPD01DG09 CUSHION (TOP) TXFPD02DG09 CUSHION (BOTTOM) CAPACITORS C002 ECJ2VF1H103Z C 0.01UF, Z, 50V C003...
  • Page 16 Ref. No. Part No. Part Name & Description Remarks C3155 F1J1H103A590 C 0.01UF, J, 50V C3156 ECA1CM101B E 100UF, 16V C3157 ECA1CM101B E 100UF, 16V C3163 F2A1C101A310 E 100UF, 16V C3164 F2A1C101A310 E 100UF, 16V C3166 ECJ2VF1C105Z C 1UF, Z, 16V C3169 ECJ2VF1C105Z C 1UF, Z, 16V...
  • Page 17 C615 ECJ2VC1H100C C 10PF, C, 50V...
  • Page 18 Ref. No. Part No. Part Name & Description Remarks C616 F2A1C101A310 E 100UF, 16V C618 F2A1C101A310 E 100UF, 16V C619 F2A1C101A310 E 100UF, 16V C620 ECJ2VB1H333K C 0.033UF, K, 50V C621 ECA1CM100B E 10UF, 16V C622 F2A1C101A310 E 100UF, 16V C623 F2A1C101A310 E 100UF, 16V...
  • Page 19 Ref. No. Part No. Part Name & Description Remarks C869 ECUX1H151JCX C 150PF, J, 50V C870 F2A1C472A260 E 4700UF, 16V C871 F1B2H471A025 C 470PF, 500V C872 F2A1C332A260 E 3300UF, 16V C873 L6Y5P4B122K C 1200PF, K,500V C875 F1J1H332A021 C 3300PF, 50V C877 F2A1C1000079 E 10UF, 16V...
  • Page 20 D515 EU02 DIODE...
  • Page 21 Ref. No. Part No. Part Name & Description Remarks D520 B0ACDJ000009 DIODE D552 EU02 DIODE D556 B0HAMV000027 DIODE D557 B0HAMR000095 DIODE D558 MA185 DIODE D601 B0ADDJ000025 DIODE D610 MAZ80560HL DIODE D702 B0ACMJ000001 DIODE D708 EU02 DIODE D830 B0HAJL000001 DIODE D831 B0BA01700055 DIODE D837...
  • Page 22 Ref. No. Part No. Part Name & Description Remarks L2307 J0JKA0000038 BEAD CORE L2323 J0JKA0000038 BEAD CORE L2324 J0JKA0000038 BEAD CORE L3045 EXC3BB221H CHIP BEAD CORE L3046 EXC3BB221H CHIP BEAD CORE L3150 J0JKB0000034 EMI FILTER L3161 TSK1045 BEAD CORE L3162 TSK1045 BEAD CORE L351...
  • Page 23 Q305 B1ADDF000005 TRANSISTOR...
  • Page 24 Ref. No. Part No. Part Name & Description Remarks Q306 B1ADDF000005 TRANSISTOR Q354 B1ADCE000012 TRANSISTOR Q360 B1ACAA000019 TRANSISTOR Q361 B1ACAA000019 TRANSISTOR Q362 B1ACAA000019 TRANSISTOR Q4850 B1ADDF000005 TRANSISTOR Q501 2SC4212H TRANSISTOR Q520 B1ADBM000004 TRANSISTOR Q551 2SC6073000LK TRANSISTOR Q601 B1ABCE000015 TRANSISTOR Q603 B1ABCE000015 TRANSISTOR Q604...
  • Page 25 R1150 ERJ6GEYJ101 M 100OHM,J,1/10W...
  • Page 26 Ref. No. Part No. Part Name & Description Remarks R1201 ERJ6GEYJ102 M 1KOHM,J,1/10W R1202 ERJ6GEYJ102 M 1KOHM,J,1/10W R1228 ERJ6GEYJ101 M 100OHM,J,1/10W R1229 ERJ6GEYJ101 M 100OHM,J,1/10W R2112 ERJ6GEYJ102 M 1KOHM,J,1/10W R2114 ERJ6GEYJ104 M 100KOHM,J,1/10W R2317 ERJ6GEYJ622 M 6.2KOHM,J,1/10W R2321 ERJ6GEYJ104 M 100KOHM,J,1/10W R2322 ERJ6GEYJ104 M 100KOHM,J,1/10W...
  • Page 27 R347 ERJ6GEY0R00 M 0OHM,J,1/10W...
  • Page 28 Ref. No. Part No. Part Name & Description Remarks R348 ERJ6GEY0R00 M 0OHM,J,1/10W R349 ERJ6GEY0R00 M 0OHM,J,1/10W R351 ERJ6GEYJ301 M 300OHM,J,1/10W R352 ERJ6GEYJ301 M 300OHM,J,1/10W R353 ERJ6GEYJ301 M 300OHM,J,1/10W R363 ERJ6GEYJ102 M 1KOHM,J,1/10W R364 ERJ6GEYJ102 M 1KOHM,J,1/10W R365 ERJ6GEYJ102 M 1KOHM,J,1/10W R366 ERDS1TJ152 C 1.5KOHM,J, 1/2W...
  • Page 29 R604 ERJ6GEYJ470 M 47OHM,J,1/10W...
  • Page 30 Ref. No. Part No. Part Name & Description Remarks R605 ERJ6GEYJ470 M 47OHM,J,1/10W R606 ERJ6GEYJ752 M 7.5KOHM,J,1/10W R607 ERJ6GEYJ752 M 7.5KOHM,J,1/10W R608 ERJ6GEYJ470 M 47OHM,J,1/10W R609 ERJ6GEY0R00 M 0OHM,J,1/10W R610 ERJ6GEYJ101 M 100OHM,J,1/10W R611 ERJ6GEYJ101 M 100OHM,J,1/10W R612 ERJ6GEYJ392 M 3.9KOHM,J,1/10W R613 ERJ6GEYJ102 M 1KOHM,J,1/10W...
  • Page 31 R831 ERDS2TJ682 C 6.8KOHM,J, 1/4W...
  • Page 32 Ref. No. Part No. Part Name & Description Remarks R832 ERJ6ENF4022 F 40.2KOHM, 1/8W R833 D0AE432JA046 C 4.3KOHM,J, 1/4W R834 ERG2FJ104H M 100KOHM,J, 2W R835 ERQ1CJPR33S F 0.33OHM,J, 1W R836 ERG1SJ220P M 22OHM,J, 1W R837 ERDS2TJ222 C 2.2KOHM,J, 1/4W R838 ERJ6ENF1002 M 10KOHM, 1/10W R839...
  • Page 33 R977 ERJ6GEYJ561 M 560OHM,J,1/10W...
  • Page 34 Ref. No. Part No. Part Name & Description Remarks R978 ERJ6GEYJ101 M 100OHM,J,1/10W R984 ERC14GK100 S 10OHM,J,1/10W TRANSFORMERS T551 ZTFP14504A FLYBACK TRANS T553 ETH19Y210BZ H DRIVE TRANS T801 ETS39AG4A6AC SWITCHING TRANS OTHERS K1KA13A00140 CONNECTOR K1KA13A00140 CONNECTOR K1KA13A00138 CONNECTOR K1KA13A00140 CONNECTOR K1KA13A00140 CONNECTOR K1KA13A00138...
  • Page 35 Ref. No. Part No. Part Name & Description Remarks K1ZZ00001300 CONNECTOR LF833 G0B153H00004 LINE FILTER RL831 K6B1CDA00029 RELAY RM1062 B3RAD0000120 REMOCON RECEIVER K1KA03AA0190 CONNECTOR SC351 K3B09CA00014 CRT SOCKET SW1021 EVQ11G05R SWITCH SW1022 EVQ11G05R SWITCH SW1023 EVQ11G05R SWITCH SW1024 EVQ11G05R SWITCH SW1025 EVQ11G05R SWITCH...
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