Panasonic TC-25FG30P Service Manual
Panasonic TC-25FG30P Service Manual

Panasonic TC-25FG30P Service Manual

Gp4 chassis

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Specification
Power Source
Power Consumption
Aerial Terminal
Tuning System
Receiving Channels
VHF BAND
UHF BAND
CATV
Intermediate Frequency
Video
Sound
Colour
Receiving Stereo Sound System
AC AUTO 110-240V, 50/60Hz
199 W
Standby condition : 2 W
Impedance : 75Ω, Coaxial type
Frequency Synthesizer
Auto Search Tuning
Pos : 100 Positions
Regular TV
2-13 (USA STANDARD)
14-69 (USA STANDARD)
1-125 (USA STANDARD)
38.0 MHz
31.5 MHz (D, K) / 32.5 MHz (B, G)
32.0 MHz (I) / 32.5 MHz (M)
33.57 MHz (PAL) /
33.6 MHz (SECAM)
34.42 MHz (NTSC) /
33.75 MHz (SECAM)
AV STEREO
TC-25FG30P
GP4 Chassis
Video/Audio/Terminals
AV 1, 2, 3
Y / P
/ P
B
R
Monitor Out
High Voltage
Picture Tube
Audio Output
Dimensions (W x D x H)
Weight (Mass)
Note:
Specifications are subject to change without notice. Mass and
dimensions shown are approximate.
© 2005 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
distribution is a violation of law.
Order No. MTV0501398C3
Colour Television
(Phone Type) Y:1.0Vp-p 75Ω PB,
PR:0.7Vp-p 75Ω Video 1.0Vp-p
75Ω Audio Approx. 400mV 47KΩ
Video 1.0Vp-p 75Ω
Audio Approx. 400mV 47KΩ
30.0 (+ -1.0kV) at zero
beam current
A59QDF891X Type 25 (59 cm)
Measured diagonally,
104° deflection
16 W speaker
717 mm x 502 mm x 530.5 mm
31 kg (Net)
Unauthorized
copying
and

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Summary of Contents for Panasonic TC-25FG30P

  • Page 1 Order No. MTV0501398C3 Colour Television TC-25FG30P GP4 Chassis Specification Power Source AC AUTO 110-240V, 50/60Hz Video/Audio/Terminals Power Consumption 199 W AV 1, 2, 3 Standby condition : 2 W Y / P (Phone Type) Y:1.0Vp-p 75Ω PB, Aerial Terminal Impedance : 75Ω, Coaxial type PR:0.7Vp-p 75Ω...
  • Page 2: Table Of Contents

    TC-25FG30P CONTENTS Page Page 1 Safety Precautions 4.3. CONVERGENCE 1.1. General Guide 4.4. WHITE BALANCE (MARKET MODE CHK 4) 1.2. Leakage Current Cold Check 4.5. ADJUSTMENT OF CRT VRS 1.3. Leakage Current Hot Check (See Fig. 1) 5 Conductor Views 1.4.
  • Page 3: Safety Precautions

    TC-25FG30P 1 Safety Precautions 1.3. Leakage Current Hot Check (See Fig. 1) 1.1. General Guide 1. Plug the AC cord directly into the AC outlet. Do not use an 1. It is advisable to insert an isolation transformer in the AC isolation transformer for this check.
  • Page 4: Gp4 Block Diagram

    TC-25FG30P 1.5. GP4 Block Diagram...
  • Page 5: Service Hints

    TC-25FG30P 2 Service Hints 2.1. HOW TO MOVE CHASSIS INTO SERVICE POSITION. 1. Remove 9 screws. 2. Draw out Main Chassis. 3. Stand the Main Chassis.
  • Page 6: Market Mode Function

    TC-25FG30P 3 Market Mode Function 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 1. Key 3 / 4 5. Volume -...
  • Page 7: Adjustment Procedure

    TC-25FG30P 4 Adjustment Procedure 4.1. Adjustment Procedure 4.1.1. +B Voltage 4.1.3. NTSC TINT COLOUR Item / preparation Item / Preparation 1. Operate the TV set. 1. Connect oscilloscope probe to TPL1 (R OUT) with 10kΩ series resistor. 2. Set control as follows : 2.
  • Page 8: Convergence

    TC-25FG30P 4.3. CONVERGENCE 1. Apply a crosshatch pattern signal and set Contrast control to the maximum position. 2. Adjust Bright control to obtain a clear pattern. 3. Adjust Red and Blue line at center of the screen. 4. Adjust Red and Blue with Green line at center of the screen by rotating (RB)-G static convergence magnet.
  • Page 9: White Balance (Market Mode Chk 4)

    TC-25FG30P 4.4. WHITE BALANCE (MARKET MODE CHK 4) Preparation 1. Receive a colour bar signal with colour “OFF”, and operate Note: the TV set for more than 30 minutes. Write down the original value for each address adjustment before adjusting anything.
  • Page 10: Adjustment Of Crt Vrs

    TC-25FG30P 4.5. ADJUSTMENT OF CRT VRS NOTE: FOR FLAT CRT ONLY PREPARATION 1. Set DY to CRT not to tilt up and down left and right deflection. 2. Set CY to CRT and set CY magnet primarily. Pur Mg : Set Pur Mg that 2 magnets are (top position) VRS Mag : Set VRS Mg that 2 magnets are (horizontal position) only 21”, 25”...
  • Page 11: Conductor Views 5.1. D-Board

    TC-25FG30P 5 Conductor Views 5.1. D-Board 1/2...
  • Page 12 TC-25FG30P 5.2. D-Board 2/2...
  • Page 13: Schematic Diagrams

    TC-25FG30P 6 Schematic Diagrams 6.1. SCHEMATIC DIAGRAM FOR GP4 CHASSIS...
  • Page 14 TC-25FG30P...
  • Page 15: D Board

    TC-25FG30P 6.2. D Board 6.2.1. D Board (1/5) <1A> <2A> <3A> <4A> <5A> <6A> <7A> <8A> <9A>...
  • Page 16 TC-25FG30P 6.2.2. D Board (2/5) <1A> <1B> <2A> <2B> <3B> <3A> <4B> <4A> <5A> <5B> <6A> <6B> <7A> <7B> <8B> <8A> <9A> <9B>...
  • Page 17 TC-25FG30P 6.2.3. D Board (3/5) <1B> <1C> <2B> <2C> <3B> <4B> <5B> <3C> <4C> <6B> <5C> <7B> <6C> <8B> <7C> <8C> <9B> <9C>...
  • Page 18 TC-25FG30P 6.2.4. D Board (4/5) <1C> <1D> <2C> <2D> <3D> <4D> <5D> <3C> <4C> <6D> <5C> <6C> <7D> <7C> <8C> <8D> <9C> <9D>...
  • Page 19 TC-25FG30P 6.2.5. D Board (5/5) <1D> <2D> <3D> <4D> <5D> <6D> <7D> <8D> <9D>...
  • Page 20: G Board

    TC-25FG30P 6.3. G Board 6.3.1. G Board (1/3) <1A> <2A> <3A> <4A> <5A> <6A> <7A> <8A>...
  • Page 21 TC-25FG30P 6.3.2. G Board (2/3) <1A> <1B> <2A> <2B> <3A> <3B> <4A> <4B> <5A> <5B> <6A> <6B> <7A> <7B> <8A> <8B>...
  • Page 22 TC-25FG30P 6.3.3. G Board (3/3) <1B> <2B> <3B> <4B> <5B> <6B> <7B> <8B>...
  • Page 23: L Board

    TC-25FG30P 6.4. L Board 6.4.1. L Board (1/3) <1A> <2A> <3A> <4A> <5A> <6A> <7A>...
  • Page 24 TC-25FG30P 6.4.2. L Board (2/3) <1A> <1B> <2A> <2B> <3A> <3B> <4A> <4B> <5B> <5A> <6A> <6B> <7A> <7B>...
  • Page 25 TC-25FG30P 6.4.3. L Board (3/3) <1B> <2B> <3B> <4B> <5B> <6B> <7B>...
  • Page 26: Parts Locations

    TC-25FG30P 7 Parts Locations...
  • Page 27: Replacement Parts List

    TC-25FG30P 8 Replacement Parts List 8.1. Replacement Parts List Notes...
  • Page 28: Replacement Parts List

    TC-25FG30P 8.2. Replacement Parts List Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks A59QDF891X PICTURE TUBE C2320 ECJ2VC1H102J C 1000PF, J, 50V EASG15S02H2 SPEAKER C2321 ECJ2VC1H102J C 1000PF, J, 50V EUR7717010 REMOTE CONTROL...
  • Page 29 TC-25FG30P Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C507 ECJ2VF1C105Z C 1UF, Z, 16V C809 ECKWAE472ZED C 4700PF, Z,500V C511 ECA1VM101B E 100UF, 35V C810 EC0S2GB471EB E 470UF, 400V C512 F1B2H471A025...
  • Page 30 TC-25FG30P Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks D363 B0AACK000004 DIODE L2307 EXCELSA35V COIL D364 B0AACK000004 DIODE L2323 J0JKA0000038 BEAD CORE D365 B0AACK000004 DIODE L2324 J0JKA0000038 BEAD CORE D366 B0AACK000004 DIODE...
  • Page 31 TC-25FG30P Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks Q551 2SC5902000LK TRANSISTOR R2113 ERJ6GEYJ562 M 5.6KOHM,J,1/10W Q601 2SD0601A0L TRANSISTOR R2302 ERX2FJSR22E M 0.22OHM,J, 2W Q602 2SD0601A0L TRANSISTOR R2304 ERJ6GEYJ471 M 470OHM,J,1/10W Q603...
  • Page 32 TC-25FG30P Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R3153 ERJ6GEYJ153 M 15KOHM,J,1/10W R611 ERJ6GEYJ101 M 100OHM,J,1/10W R3155 ERJ6GEYJ221 M 220OHM,J,1/10W R612 ERJ6GEY0R00 M 0OHM,J,1/10W R3156 ERJ6GEYJ221 M 220OHM,J,1/10W R614 ERJ6GEYJ221 M 220OHM,J,1/10W...
  • Page 33 TC-25FG30P Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R866 ERJ6GEYJ392 M 3.9KOHM,J,1/10W JA24 ERJ6GEY0R00 M 0OHM,J,1/10W R867 ERDS1TJ471 C 470OHM,J, 1/2W JA25 ERJ6GEY0R00 M 0OHM,J,1/10W R868 ERDS1TJ221 C 220OHM,J, 1/2W JA26...

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