Panasonic TX-29G455R-IRAN Service Manual
Panasonic TX-29G455R-IRAN Service Manual

Panasonic TX-29G455R-IRAN Service Manual

Gp21 chassis

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Specifications
Power Source :
Power Consumption :
Aerial Impedance :
Receiving System :
Receiving Channels :
VHF
2 - 12
0 - 12
1 - 9
1 - 12
1 - 12
2 - 13
UHF
21 - 69
28 - 69
13 - 57
13 - 62
14 - 69
CATV
S1 - S20
1 - 125
C13 - C49
S21 - C41
Z1 - Z37
5A, 9A
Intermediate Frequency :
AC SINGLE 220-240V, 50/60Hz
110W
75 Ω unbalanced
Coaxial type
17 Systems
PAL/SECAM B, K1
PAL B (AUST.)
PAL B (N.Z.)
PAL/SECAM D
NTSC M (JAPAN)
NTSC M (U.S.A)
PAL G, H, I/SECAM G, K, K1
PAL B (AUST.)
PAL D, K
NTSC M (JAPAN)
NTSC M (U.S.A.)
(OSCAR)
(U.S.A. CATV)
(JAPAN)
(HYPER)
(CHINA)
(AUST.)
TX-29G455R-IRAN
GP21 Chassis
Video
Sound
Colour
Video / Terminals :
AV 1, 2
S-Video In
DVD
Y
PB
YR
AV 1, 2, 3, 4
Video In
Audio In
Monitor Out
1 Vp-p, 75 Ω
Video Out
Approx. 0.5V, 1k Ω
Audio Out
High Voltage :
Picture Tube :
© 2007 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO. MTV0701552CE
Colour Television
38.0 MHz
31.5 MHz (D, K, K1)
32 MHz (I)
32.5 MHz (B, G)
33.5 MHz (M)
33.57 MHz (PAL)
33.6 MHz (SECAM)
33.75 MHz (SECAM)
34.42 MHz (NTSC)
Y:1 Vp-p, 75 Ω
C:0.3 Vp-p, 75 Ω
1.0 Vp-p, 75 Ω
0.7 Vp-p, 75 Ω
0.7 Vp-p, 75 Ω
1 Vp-p, 75 Ω
Approx. 0.5V, 47k Ω
31.0kV±1.0V
at zero beam current
A68MAU085X44
67.6cm (29 inches)
Unauthorized
copying
and

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Summary of Contents for Panasonic TX-29G455R-IRAN

  • Page 1 ORDER NO. MTV0701552CE Colour Television TX-29G455R-IRAN GP21 Chassis Specifications Power Source : AC SINGLE 220-240V, 50/60Hz Video 38.0 MHz Power Consumption : 110W Sound 31.5 MHz (D, K, K1) 75 Ω unbalanced Aerial Impedance : 32 MHz (I) Coaxial type 32.5 MHz (B, G)
  • Page 2: Table Of Contents

    TX-29G455R-IRAN Measured diagonally, Depth : 493 mm 90° deflection Mass : 42 kg (Net Wt.) Audio Output : 10W+10W = 20W Dimensions : Height : 576 mm Specifications are subject to change without notice. Mass and dimensions shown are approximate.
  • Page 3: Safety Precautions

    TX-29G455R-IRAN 1 Safety Precautions 1.1. General Guide Lines 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: Gp21 Chassis Block Diagram

    TX-29G455R-IRAN 1.5. GP21 Chassis Block Diagram...
  • Page 5: Service Hints

    TX-29G455R-IRAN 2 Service Hints 2.1. Service Position for E-Board 1. Remove the back cover. 2. Stand the TV set as shown in Fig. 2. 3. Remove the A-Board from the TV set by pulling the main board out as shown in Figure 2.
  • Page 6: Adjustment For White Balance

    TX-29G455R-IRAN 2.3. 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.
  • Page 7: Adjustment Procedure

    TX-29G455R-IRAN 2.5. Adjustment Procedure 2.5.1. +B Voltage 2.5.2. High Voltage Item / preparation Item / preparation 1. Operate the TV set. 1. Receive the crosshatch pattern. 2. Set control as follows : 2. Set to 0 Beam. Brightness ... minimum Screen VR ..
  • Page 8: Pal Colour

    TX-29G455R-IRAN 2.6. PAL Colour 1. Receive the PAL B/G studio colour bar pattern and adjust local frequency at the best tuned position. 2. Pic Menu: Dynamic Normal, Confirm Contrast - 100 DAC, Sub Contrast - 21 dac. 3. Channel colour set --------- STD 4.
  • Page 9 TX-29G455R-IRAN Before Colour Purity, Convergence and White Balance adjustment are attempted, V. Height, H. Centre and Focus adjustments must be completed. Colour Purity Convergence 1. Set the Brightness and Contrast controls to their maximum 1. Apply a crosshatch pattern signal and Normalize Contrast positions.
  • Page 10 TX-29G455R-IRAN Adjustment of CRT VRS 1. Preparation a. Set DY to CRT not to tilt up and down left and right deflection. b. Set CY to CRT and set CY magnet primarily (Fig. 1) Purity magnet : Set purity magnet that 2 magnets are (TOP POSITION) VRS magnet : Set purity magnet 2 magnets are (HORIZONTAL POSITION) 2.
  • Page 11 TX-29G455R-IRAN Fig. 10 Fig. 11 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: Conductor Views

    TX-29G455R-IRAN 3 Conductor Views...
  • Page 13: Schematic Diagram

    TX-29G455R-IRAN 4 Schematic Diagram...
  • Page 14 TX-29G455R-IRAN...
  • Page 15: D Board

    TX-29G455R-IRAN 4.1. D Board 4.1.1. D Board (1/5) <1A> <2A> <3A> <4A> <5A> <6A> <7A> <8A> <9A>...
  • Page 16 TX-29G455R-IRAN 4.1.2. D Board (2/5) <1A> <1B> <2A> <2B> <3A> <3B> <4B> <4A> <5B> <5A> <6B> <6A> <7B> <7A> <8A> <8B> <9A> <9B>...
  • Page 17 TX-29G455R-IRAN 4.1.3. D Board (3/5) <1B> <1C> <2C> <2B> <3C> <4C> <5C> <3B> <4B> <5B> <6C> <6B> <7B> <7C> <8B> <8C> <9B> <9C>...
  • Page 18 TX-29G455R-IRAN 4.1.4. D Board (4/5) <1C> <1D> <2C> <3C> <4C> <5C> <2D> <3D> <6C> <4D> <5D> <7C> <6D> <7D> <8D> <8C> <9C> <9D>...
  • Page 19 TX-29G455R-IRAN 4.1.5. D Board (5/5) <1D> <2D> <3D> <4D> <5D> <6D> <7D> <8D> <9D>...
  • Page 20: A Board

    TX-29G455R-IRAN 4.2. A Board 4.2.1. A Board (1/5) <1A> <2A> <3A> <4A> <5A> <6A> <7A> <8A> <9A>...
  • Page 21 TX-29G455R-IRAN 4.2.2. A Board (2/5) <1A> <1B> <2A> <2B> <3B> <4B> <5B> <3A> <4A> <6B> <5A> <6A> <7A> <7B> <8A> <8B> <9A> <9B>...
  • Page 22 TX-29G455R-IRAN 4.2.3. A Board (3/5) <1B> <1C> <2C> <2B> <3C> <3B> <4C> <4B> <5B> <6B> <5C> <6C> <7B> <7C> <8B> <9B> <8C>...
  • Page 23 TX-29G455R-IRAN 4.2.4. A Board (4/5) <1C> <1D> <2C> <3C> <4C> <2D> <3D> <4D> <5D> <6D> <5C> <6C> <7D> <7C> <8D> <8C> <9D>...
  • Page 24 TX-29G455R-IRAN 4.2.5. A Board (5/5) <1D> <2D> <3D> <4D> <5D> <6D> <7D> <8D> <9D>...
  • Page 25: L Board

    TX-29G455R-IRAN 4.3. L Board 4.3.1. L Board (1/4) <1A> <2A> <3A> <4A> <5A> <6A> <7A> <8A> <9A>...
  • Page 26 TX-29G455R-IRAN 4.3.2. L Board (2/4) <1A> <1B> <2A> <2B> <3A> <3B> <4A> <4B> <5A> <6A> <5B> <6B> <7A> <7B> <8A> <8B> <9A> <9B>...
  • Page 27 TX-29G455R-IRAN 4.3.3. L Board (3/4) <1B> <1C> <2B> <2C> <3B> <3C> <4B> <5B> <6B> <4C> <7B> <5C> <8B> <9B> <6C>...
  • Page 28 TX-29G455R-IRAN 4.3.4. L Board (4/4) <1C> <2C> <3C> <4C> <5C> <6C>...
  • Page 29: G Board

    TX-29G455R-IRAN 4.4. G Board 4.4.1. G Board (1/3) <1A> <2A> <3A> <4A> <5A> <6A> <7A> <8A> <9A>...
  • Page 30 TX-29G455R-IRAN 4.4.2. G Board (2/3) <1A> <1B> <2A> <3A> <4A> <2B> <5A> <6A> <7A> <8A> <3B> <9A>...
  • Page 31 TX-29G455R-IRAN 4.4.3. G Board (3/3) <1B> <2B> <3B>...
  • Page 32: Parts Locations

    TX-29G455R-IRAN 5 Parts Locations...
  • Page 33: Replacement Parts List

    TX-29G455R-IRAN 6 Replacement Parts List...
  • Page 34: Replacement Parts List

    TX-29G455R-IRAN 6.1. Replacement Parts List Ref. Part No. Part Name & Description Remarks C1146 ECUX1H220JCX C 22PF, J, 50V Ref. Part No. Part Name & Description Remarks C1150 F2A1C1000079 E 10UF, 16V C1156 ECJ2VF1E104Z C 0.1UF, Z, 25V A68MAU085X44 C117...
  • Page 35 TX-29G455R-IRAN Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C1530 ECJ2VF1E104Z C 0.1UF, Z, 25V C2364 ECJ2VC1H102J C 1000PF, J, 50V C1531 F2A1C101A310 E 100UF, 100V C2369 ECA1CM101B E 100UF, 16V C1532 ECJ2VF1E104Z C 0.1UF, Z, 25V...
  • Page 36 TX-29G455R-IRAN Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C574 ECJ2VC2A221J C 220PF, J, 100V D1120 B0ACCK000005 DIODE C581 ECWF4684JBB P 0.68UF, 400V D1121 MAZ80910HL ZENER DIODE C582 ECWF4684JBB P 0.68UF, 400V...
  • Page 37 TX-29G455R-IRAN Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks D559 B0AACK000004 DIODE IC873 C0DAEJG00001 IC, POWER SUPPLY D560 B0HANV000004 DIODE IC874 C0DAEJG00001 IC, POWER SUPPLY D563 B0HAMP000090 DIODE COILS D565 B0HAMP000090 DIODE...
  • Page 38 TX-29G455R-IRAN Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks L856 TALL08T470KA INDUCTION COIL R1004 ERJ6GEYJ101 M 100OHM,J,1/10W L857 J0JKA0000038 BEAD CORE R1005 ERJ6GEYJ103 M 10KOHM,J,1/10W L860 J0JKA0000038 BEAD CORE R1020 ERJ6GEYJ102 M 1KOHM,J,1/10W...
  • Page 39 TX-29G455R-IRAN Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R1207 ERJ6GEY0R00 M 0OHM,J,1/10W R1459 ERJ6GEY0R00 M 0OHM,J,1/10W R1208 ERJ6GEY0R00 M 0OHM,J,1/10W R1460 ERJ6GEY0R00 M 0OHM,J,1/10W R121 ERJ6GEYJ222 M 2.2KOHM,J,1/10W R1501 ERJ6GEY0R00 M 0OHM,J,1/10W...
  • Page 40 TX-29G455R-IRAN Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R1704 ERJ3GEY0R00 M 0OHM,J,1/16W R2325 D0AE2R2JA046 C 2.2OHM,J, 1/10W R1705 ERJ6GEY0R00 M 0OHM,J,1/10W R2326 D0AE2R2JA046 C 2.2OHM,J, 1/10W R1706 ERJ3GEYJ272 M 2.7KOHM,J,1/16W R2328 D0AE2R2JA046 C 2.2OHM,J, 1/10W...
  • Page 41 TX-29G455R-IRAN Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R350 ERQ12AJ151P F 150OHM,J,1/2W R581 ERQ2CJP151S F 150OHM,J, 2W R351 ERJ6GEYJ101 M 100OHM,J,1/10W R702 ERX3FJS3R3D M 3.3OHM, J, 3W R352 ERJ6GEYJ132 M 1.3KOHM,J,1/10W...
  • Page 42 TX-29G455R-IRAN Ref. Part No. Part Name & Description Remarks R918 ERJ6GEYJ471 M 470OHM,J,1/10W R919 ERJ6GEYJ471 M 470OHM,J,1/10W TRANSFORMERS T501 ETH19Y212BZ H DRIVE TRANS T551 ZTFP14508A FLYBACK TRANS T801 ETS42AE3M6AD SWITCHING TRANS OTHERS K1KA64BA0149 CONNECTOR K1KA08BA0055 CONNECTOR CF806 D4DDE9R00002 POSISTOR K1KB64AA0096...

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