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

Panasonic TX-29FX20R Service Manual

Gp41 chassis
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Specifications
Power Source :
Power Consumption :
Aerial Impedance :
Receiving System :
Receiving Channels :
VHF
UHF
CATV
Video / Audio Terminals :
DVD
Y
PB
AC SINGLE 220-240V, 50/60 Hz
75Ω unbalanced
Coaxial type
17 Systems
2-12 PAL / SECAM B,K1
0-12 PAL B (AUST)
1-9 PAL B (N.Z)
1-12 PAL/SECAM D
1-12 NTSC M (JAPAN)
2-13 NTSC M (U.S.A)
21-69 PAL G,H,I / SECAM G,K,K1
28-69 PAL B (AUST)
13-57 PAL D,K
13-62 NTSC M (JAPAN)
13-69 NTSC M (USA)
S1-S20 (OSCAR)
1-125 (U.S.A CATV)
C13-C49 (JAPAN)
S21-S41 (HYPER)
Z1-Z37 (CHINA)
5A, 9A (AUST)
1.0Vp-p, 75Ω
0.7Vp-p, 75Ω
TX-29FX20R
GP41 Chassis
PR
98W
AV 1,2,3
Video In
Audio In
Monitor Out
Video Out
Audio Out
Intermediate Frequency :
Video
Sound
Colour
High Voltage :
Picture Tube :
Audio Output :
Dimensions :
ORDER NO. MTV0601420CE
Colour Television
33.75 MHz (SECAM)
Measured diagonally,
© 2006 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
Unauthorized
distribution is a violation of law.
0.7Vp-p, 75Ω
1Vp-p, 75Ω
Approx. 0.5V, 47kΩ
1Vp-p, 75Ω
Approx. 0.5V, 1kΩ
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)
34.42 MHz (NTSC)
31.0kV ±1.0
at zero beam current
A68LZU185X-E
67.6cm (29 inches)
90° deflection
16.0W
Height : 578 mm
Width : 786 mm
copying
and

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Summary of Contents for Panasonic TX-29FX20R

  • Page 1 ORDER NO. MTV0601420CE Colour Television TX-29FX20R GP41 Chassis Specifications Power Source : AC SINGLE 220-240V, 50/60 Hz 0.7Vp-p, 75Ω Power Consumption : AV 1,2,3 Aerial Impedance : 75Ω unbalanced Video In 1Vp-p, 75Ω Coaxial type Audio In Approx. 0.5V, 47kΩ...
  • Page 2: Table Of Contents

    TX-29FX20R Depth : 508 mm Specifications are subject to change without notice. Mass and dimensions shown are approximate. Mass : 43 kg (Net Wt.) CONTENTS Page Page 1 Safety Precautions 2.4. Adjustment Procedure 1.1. General Guide Lines 2.5. Adjustment 1.2. Leakage Current Cold Check 3 Conductor Views 1.3.
  • Page 3: Safety Precautions

    TX-29FX20R 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: Gp41 Chassis Block Diagram

    TX-29FX20R 1.5. GP41 Chassis Block Diagram...
  • Page 5: Service Hints

    TX-29FX20R 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 Procedure

    TX-29FX20R 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: Adjustment

    TX-29FX20R 2.5. Adjustment 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 1. Apply a crosshatch pattern signal and Normalize maximum positions.
  • Page 8 TX-29FX20R 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 9: Conductor Views

    TX-29FX20R 3 Conductor Views...
  • Page 10: Schematic Diagram

    TX-29FX20R 4 Schematic Diagram...
  • Page 11 TX-29FX20R...
  • Page 12: A Board

    TX-29FX20R 4.1. A Board 4.1.1. A Board (1/5) <1A> <2A> <3A> <4A> <5A> <6A> <7A> <8A> <9A>...
  • Page 13 TX-29FX20R 4.1.2. A Board (2/5) <1A> <1B> <2A> <2B> <3A> <3B> <4A> <4B> <5B> <5A> <6A> <6B> <7A> <7B> <8A> <8B> <9A> <9B>...
  • Page 14 TX-29FX20R 4.1.3. A Board (3/5) <1B> <1C> <2B> <2C> <3B> <4B> <3C> <5B> <4C> <5C> <6B> <6C> <7B> <7C> <8B> <8C> <9B> <9C>...
  • Page 15 TX-29FX20R 4.1.4. A Board (4/5) <1C> <1D> <2C> <3C> <4C> <2D> <3D> <5C> <4D> <6C> <5D> <6D> <7D> <7C> <8D> <8C> <9C> <9D>...
  • Page 16 TX-29FX20R 4.1.5. A Board (5/5) <1D> <2D> <3D> <4D> <5D> <6D> <7D> <8D> <9D>...
  • Page 17: L Board

    TX-29FX20R 4.2. L Board 4.2.1. L Board (1/3) <1A> <2A> <3A> <4A> <5A> <6A> <7A>...
  • Page 18 TX-29FX20R 4.2.2. L Board (2/3) <1A> <1B> <2A> <2B> <3B> <3A> <4B> <4A> <5B> <5A> <6A> <6B> <7A> <7B>...
  • Page 19 TX-29FX20R 4.2.3. L Board (3/3) <1B> <2B> <3B> <4B> <5B> <6B> <7B>...
  • Page 20: G Board

    TX-29FX20R 4.3. G Board 4.3.1. G Board (1/3) <1A> <2A> <3A> <4A> <5A> <6A> <7A>...
  • Page 21 TX-29FX20R 4.3.2. G Board (2/3) <1A> <1B> <2B> <2A> <3A> <4A> <3B> <5A> <4B> <6A> <5B> <6B> <7A> <7B>...
  • Page 22 TX-29FX20R 4.3.3. G Board (3/3) <1B> <2B> <3B> <4B> <5B> <6B> <7B>...
  • Page 23: Parts Locations

    TX-29FX20R 5 Parts Locations...
  • Page 24: Replacement Parts List

    TX-29FX20R 6 Replacement Parts List...
  • Page 25: Replacement Parts List

    TX-29FX20R 6.1. Replacement Parts List Ref. Part No. Part Name & Description Remarks C3027 ECJ2VF1C105Z C 1UF, Z, 16V Ref. Part No. Part Name & Description Remarks C303 ECJ2VB1C104K C 0.1UF, K, 16V C3034 ECA1AM471B E 470UF, 10V A68LZU185X-E PICTURE TUBE...
  • Page 26 TX-29FX20R Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C627 F2A1C101A310 E 100UF, 16V C961 F2A2A1000016 C 10UF, 100V C628 F2A1A471A274 E 470UF, 10V C962 F1B2H1030028 C 0.01UF, 500V C630 ECJ2VF1H103Z C 0.01UF, Z, 50V...
  • Page 27 TX-29FX20R Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks IC605 C0ZAZ0000162 Q354 B1ADCE000012 TRANSISTOR IC801 C5HABZZ00168 IC, POWER SUPPLY Q360 B1ACAA000019 TRANSISTOR IC802 C0EAS0000026 Q361 B1ACAA000019 TRANSISTOR IC851 C0DAEJG00001 IC, POWER SUPPLY...
  • Page 28 TX-29FX20R Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R3002 ERJ6GEYJ750 M 75OHM, 1/10W R502 ERJ6GEYJ103 M 10KOHM,J,1/10W R3004 ERJ6GEYJ104 M 100KOHM,J,1/10W R504 ERG2SJS332H M 3.3KOHM,J, 2W R3005 ERJ6GEYJ750 M 75OHM, 1/10W...
  • Page 29 TX-29FX20R Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R713 ERG3SJS120H M 12OHM,J, 3W K1KA13A00140 CONNECTOR R715 ERDS2TJ433 C 43KOHM,J, 1/4W K1KA13A00138 CONNECTOR R825 ERJ6GEYJ471 M 470OHM,J,1/10W K1KA13A00140 CONNECTOR R827 ERJ6GEYJ153 M 15KOHM,J,1/10W...

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