Panasonic TC-29FX20P Service Manual

Panasonic TC-29FX20P 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
PR
AV 1,2,3
Video In
Audio In
Monitor Out
Video Out
Audio Out
Intermediate Frequency :
Video
AC AUTO 110-240V, 50/60 Hz
98W
75Ω unbalanced
Coaxial type
17 Systems
2-13 (U.S.A. STANDARD)
14-69 (U.S.A. STANDARD)
1-125 (U.S.A. STANDARD)
1.0Vp-p, 75Ω
0.7Vp-p, 75Ω
0.7Vp-p, 75Ω
1Vp-p, 75Ω
Approx. 0.5V, 47kΩ
1Vp-p, 75Ω
Approx. 0.5V, 1kΩ
38.0 MHz
TC-29FX20P
GP41 Chassis
Sound
Colour
High Voltage :
Picture Tube :
Audio Output :
Dimensions :
Mass :
Specifications are subject to change without notice.
Mass and dimensions shown are approximate.
© 2006 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
distribution is a violation of law.
ORDER NO. MTV0601434CE
Colour Television
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)
31.0kV ±1.0
at zero beam current
A68LZU185X-E
67.6cm (29 inches)
Measured diagonally,
90° deflection
16.0W
Height : 578 mm
Width : 786 mm
Depth : 508 mm
43 kg (Net Wt.)
Unauthorized
copying
and

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Summary of Contents for Panasonic TC-29FX20P

  • Page 1 ORDER NO. MTV0601434CE Colour Television TC-29FX20P GP41 Chassis Specifications Power Source : AC AUTO 110-240V, 50/60 Hz Sound 31.5 MHz (D, K, K1) Power Consumption : 32 MHz (I) Aerial Impedance : 75Ω unbalanced 32.5 MHz (B, G) Coaxial type 33.5 MHz (M)
  • Page 2: Table Of Contents

    TC-29FX20P 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. Leakage Current Hot Check (Fig. 1) 4 Schematic Diagram 1.4. X-Radiation 4.1. A Board 1.5. GP41 Chassis Block Diagram 4.2.
  • Page 3: Safety Precautions

    TC-29FX20P 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

    TC-29FX20P 1.5. GP41 Chassis Block Diagram...
  • Page 5: Service Hints

    TC-29FX20P 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

    TC-29FX20P 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

    TC-29FX20P 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 TC-29FX20P 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

    TC-29FX20P 3 Conductor Views...
  • Page 10: Schematic Diagram

    TC-29FX20P 4 Schematic Diagram...
  • Page 11 TC-29FX20P...
  • Page 12: A Board

    TC-29FX20P 4.1. A Board 4.1.1. A Board (1/5) <1A> <2A> <3A> <4A> <5A> <6A> <7A> <8A> <9A>...
  • Page 13 TC-29FX20P 4.1.2. A Board (2/5) <1A> <1B> <2A> <2B> <3B> <3A> <4B> <4A> <5B> <5A> <6A> <6B> <7A> <8A> <7B> <8B> <9A> <9B>...
  • Page 14 TC-29FX20P 4.1.3. A Board (3/5) <1C> <1B> <2B> <2C> <3B> <4B> <5B> <3C> <4C> <5C> <6B> <7B> <8B> <6C> <7C> <8C> <9B> <9C>...
  • Page 15 TC-29FX20P 4.1.4. A Board (4/5) <1C> <1D> <2C> <3C> <2D> <3D> <4C> <5C> <4D> <5D> <6D> <7D> <6C> <8D> <7C> <8C> <9C> <9D>...
  • Page 16 TC-29FX20P 4.1.5. A Board (5/5) <1D> <2D> <3D> <4D> <5D> <6D> <7D> <8D> <9D>...
  • Page 17: L Board

    TC-29FX20P 4.2. L Board 4.2.1. L Board (1/3) <1A> <2A> <3A> <4A> <5A> <6A> <7A>...
  • Page 18 TC-29FX20P 4.2.2. L Board (2/3) <1A> <1B> <2A> <2B> <3B> <3A> <4B> <4A> <5B> <5A> <6A> <6B> <7A> <7B>...
  • Page 19 TC-29FX20P 4.2.3. L Board (3/3) <1B> <2B> <3B> <4B> <5B> <6B> <7B>...
  • Page 20: G Board

    TC-29FX20P 4.3. G Board 4.3.1. G Board (1/4) <1A> <2A> <3A> <4A> <5A> <6A> <7A>...
  • Page 21 TC-29FX20P 4.3.2. G Board (2/4) <1A> <1B> <2B> <3B> <2A> <3A> <4A> <4B> <5A> <6A> <5B> <6B> <7A> <7B>...
  • Page 22 TC-29FX20P 4.3.3. G Board (3/4) <1C> <1B> <2C> <2B> <3C> <3B> <4C> <4B> <5C> <5B> <6C> <6B> <7C> <7B>...
  • Page 23 TC-29FX20P 4.3.4. G Board (4/4) <1C> <2C> <3C> <4C> <5C> <6C> <7C>...
  • Page 24: Parts Locations

    TC-29FX20P 5 Parts Locations...
  • Page 25: Replacement Parts List

    TC-29FX20P 6 Replacement Parts List...
  • Page 26: Replacement Parts List

    TC-29FX20P 6.1. Replacement Parts List Ref. Part No. Part Name & Description Remarks C308 D0GB240JA008 E 1000UF, 50V Ref. Part No. Part Name & Description Remarks C3155 F1J1H103A590 C 0.01UF, J, 50V C3156 ECA1CM101B E 100UF, 16V A68LZU185X-E PICTURE TUBE...
  • Page 27 TC-29FX20P Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C639 ECJ1VF1H104Z C 0.1UF, Z, 50V C965 ECA2CM220B E 22UF, 160V C640 ECJ1VF1H104Z C 0.1UF, Z, 50V C966 ECA1CHG101 E 100UF, 16V C642 ECJ1VF1H104Z C 0.1UF, Z, 50V...
  • Page 28 TC-29FX20P Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks IC853 C0DAEJG00001 IC, POWER SUPPLY Q603 B1ABCE000015 TRANSISTOR IC857 C0DBEHE00005 IC, POWER SUPPLY Q604 B1ABCE000015 TRANSISTOR IC860 B3PAA0000363 PHOTO COUPLER Q605 B1ABCE000015 TRANSISTOR...
  • Page 29 TC-29FX20P Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R302 ERJ3GEYJ103 M 10KOHM,J,1/16W R517 ERX12SJR56P M 0.56OHM, 1/2W R3022 ERJ3GEYJ104 M 100KOHM,J,1/16W R518 D0DK3R3J0002 W 3.3KOHM,J, 10W R3024 ERJ3GEYJ104 M 100KOHM,J,1/16W R522...
  • Page 30 TC-29FX20P Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R833 D0AE432JA046 C 4.3KOHM,J, 1/4W ERJ3GEY0R00 M 0OHM,J,1/16W R834 ERG2FJ104H M 100KOHM,J, 2W JA10 ERJ3GEY0R00 M 0OHM,J,1/16W R835 ERQ1CJPR33S F 0.33OHM,J, 1W JA11...

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