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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)
13-62 NTSC M (JAPAN)
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-29GX20RF-IRAN
GP41N Chassis
PR
95W
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. MTV0701533CE
Colour Television
33.75 MHz (SECAM)
Measured diagonally,
© 2007 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
A68QFN893X11
68cm (29 inches)
90° deflection
16.0W
Height : 576 mm
copying
and

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Summary of Contents for Panasonic TX-29GX20RF-IRAN

  • Page 1 ORDER NO. MTV0701533CE Colour Television TX-29GX20RF-IRAN GP41N 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-29GX20RF-IRAN Width : 762 mm Depth : 493 mm Specifications are subject to change without notice. Mass and dimensions shown are approximate. Mass : 41 kg (Net Wt.) CONTENTS Page Page 1 Safety Precautions 4 Service Hints 1.1. General Guide Lines 4.1.
  • Page 3: Safety Precautions

    TX-29GX20RF-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: Gp41N Chassis Block Diagram

    TX-29GX20RF-IRAN 1.5. GP41N Chassis Block Diagram...
  • Page 5: Factory Mode Setting

    TX-29GX20RF-IRAN 2 Factory Mode Setting 2.1. Set to factory mode 1. Press the factory set button on remocon, together press volume down (front control), then appear the white pattern. In case of releasing the remocon button, appear the black pattern an other case appear the volume bar. (Volume down).
  • Page 6: Service Mode Adjustment

    TX-29GX20RF-IRAN 3 Service Mode Adjustment 3.1. Service Mode Access 1. Set timer ON. 2. Press remote’s RECALL ( ) and panel’s volume down key simultaneously to enter SERVICE 1. 3.2. Service Mode 1 Controls Key 3/4 Previous/Next Service 1 Item...
  • Page 7: Service Hints

    TX-29GX20RF-IRAN 4 Service Hints 4.1. 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 8: Adjustment Procedure

    TX-29GX20RF-IRAN 4.4. Adjustment Procedure 4.4.1. +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 9: Adjustment

    TX-29GX20RF-IRAN 4.5. 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 10 TX-29GX20RF-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 11: Conductor Views

    TX-29GX20RF-IRAN 5 Conductor Views...
  • Page 12: Schematic Diagram

    TX-29GX20RF-IRAN 6 Schematic Diagram...
  • Page 13 TX-29GX20RF-IRAN...
  • Page 14: A Board

    TX-29GX20RF-IRAN 6.1. A Board 6.1.1. A Board (1/5) <1A> <2A> <3A> <4A> <5A> <6A> <7A> <8A>...
  • Page 15 TX-29GX20RF-IRAN 6.1.2. A Board (2/5) <1A> <1B> <2A> <2B> <3A> <4A> <5A> <6A> <7A> <3B> <4B> <5B> <6B> <7B> <8A> <8B>...
  • Page 16 TX-29GX20RF-IRAN 6.1.3. A Board (3/5) <1B> <1C> <2B> <2C> <3C> <3B> <4C> <4B> <5C> <5B> <6C> <6B> <7C> <7B> <8B> <8C>...
  • Page 17 TX-29GX20RF-IRAN 6.1.4. A Board (4/5) <1C> <1D> <2C> <3C> <2D> <3D> <4D> <5D> <4C> <5C> <6D> <6C> <7D> <7C> <8C> <8D>...
  • Page 18 TX-29GX20RF-IRAN 6.1.5. A Board (5/5) <1D> <2D> <3D> <4D> <5D> <6D> <7D> <8D>...
  • Page 19: L Board

    TX-29GX20RF-IRAN 6.2. L Board 6.2.1. L Board (1/3) <1A> <2A> <3A> <4A> <5A>...
  • Page 20 TX-29GX20RF-IRAN 6.2.2. L Board (2/3) <1A> <1B> <2A> <3A> <2B> <3B> <4B> <4A> <5A> <5B>...
  • Page 21 TX-29GX20RF-IRAN 6.2.3. L Board (3/3) <1B> <2B> <3B> <4B> <5B>...
  • Page 22: G Board

    TX-29GX20RF-IRAN 6.3. G Board 6.3.1. G Board (1/3) <1A> <2A> <3A> <4A> <5A> <6A> <7A>...
  • Page 23 TX-29GX20RF-IRAN 6.3.2. G Board (2/3) <1A> <1B> <2B> <3B> <2A> <3A> <4A> <4B> <5A> <5B> <6A> <6B> <7A> <7B>...
  • Page 24 TX-29GX20RF-IRAN 6.3.3. G Board (3/3) <1B> <2B> <3B> <4B> <5B> <6B> <7B>...
  • Page 25: Parts Locations

    TX-29GX20RF-IRAN 7 Parts Locations...
  • Page 26: Replacement Parts List

    TX-29GX20RF-IRAN 8 Replacement Parts List...
  • Page 27: Replacement Parts List

    TX-29GX20RF-IRAN 8.1. Replacement Parts List Ref. Part No. Part Name & Description Remarks C368 ECA2EM100B E 10UF, 250V Ref. Part No. Part Name & Description Remarks C370 F1J1H222A590 C 2200PF, 50V C371 F1J1H222A590 C 2200PF, 50V A68QFN893X11 C372 F1J1H222A590 C 2200PF, 50V...
  • Page 28 TX-29GX20RF-IRAN Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C706 ECQM4222JZ P 2200PF, 400V D552 EU02 DIODE C818 ECQB1H104JF P 0.1UF, 50V D556 B0HAMV000027 DIODE C821 ECKW3D681KBP C 680PF, K, 2KV D557...
  • Page 29 TX-29GX20RF-IRAN Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks L604 G0C100K00008 COIL R1112 ERJ3GEYJ102 M 1KOHM,J,1/16W L605 TALV35VB8R2K PEAKING COIL R1114 ERJ3GEYJ151 M 150OHM,J,1/16W L606 G0C100K00008 COIL R1115 ERJ3GEYJ101 M 100OHM,J,1/16W L607...
  • Page 30 TX-29GX20RF-IRAN Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R405 ERDS2TJ563 C 56KOHM,J, 1/4W R701 ERJ3GEYJ103 M 10KOHM,J,1/16W R406 ERDS1TJ1R5 C 1.5OHM,J, 1/2W R702 ERJ3GEYJ680 M 68OHM,J,1/16W R407 ERG1SJ221E M 220OHM,J, 1W...
  • Page 31 TX-29GX20RF-IRAN Ref. Part No. Part Name & Description Remarks JA26 ERJ8GEY0R00 M 0OHM,J, 1/8W JA28 ERJ3GEY0R00 M 0OHM,J,1/16W JA29 ERJ3GEY0R00 M 0OHM,J,1/16W ERJ3GEY0R00 M 0OHM,J,1/16W ERJ3GEY0R00 M 0OHM,J,1/16W ERJ3GEY0R00 M 0OHM,J,1/16W ERJ3GEY0R00 M 0OHM,J,1/16W ERJ3GEY0R00 M 0OHM,J,1/16W JK3002 K4BK10B00005 AV TERMINAL...

Table of Contents