Panasonic CT-F2156WLC Service Manual
Panasonic CT-F2156WLC Service Manual

Panasonic CT-F2156WLC Service Manual

Gp41 chassis

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Specification
Power Source
Power Consumption
Aerial Terminal
Tuning System
Receiving System
Receiving Channels
VHF BAND
UHF BAND
CATV
Intermediate Frequency
Video
Sound
Colour
Video/Audio/Terminals
DVD
AC SINGLE 110-220 V, 50/60 Hz
Standby condition : 2 W
Impedance : 75Ω, Coaxial type
Frequency Synthesizer
Auto Search Tuning
Pos : 100 Positions
MTS STEREO
Regular TV
2-13 (NTSC M U.S.A)
14-69 (NTSC M U.S.A.)
1-125 (U.S.A. CATV)
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)
CT-F2156WLC
GP41 Chassis
Y
67 W
P
B
P
R
AV 1, 2, 3
Video in
Audio in
Audio Amp
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.
© 2006 Matsushita Electric Industrial Co., Ltd. All
rights
distribution is a violation of law.
Order No. MTV0601453CE
Colour Television
Approx. 0.5V, 47KΩ
AUDIO L-R 0.5VRMS
(PHONE JACK TYPE x 2)
27.5 ±1.5 at zero
A51LYZ295X Type 21 (500 mm)
Measured diagonally,
648 mm x 488 mm x 472 mm
reserved.
Unauthorized
1.0 Vp-p, 75Ω
0.7 Vp-p, 75Ω
0.7 Vp-p, 75Ω
1.0 Vp-p, 75Ω
beam current
90° deflection
16 W speaker
24.5 kg (Net)
copying
and

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Summary of Contents for Panasonic CT-F2156WLC

  • Page 1 Order No. MTV0601453CE Colour Television CT-F2156WLC GP41 Chassis Specification Power Source AC SINGLE 110-220 V, 50/60 Hz 1.0 Vp-p, 75Ω Power Consumption 67 W 0.7 Vp-p, 75Ω Standby condition : 2 W 0.7 Vp-p, 75Ω Aerial Terminal Impedance : 75Ω, Coaxial type...
  • Page 2: Table Of Contents

    CT-F2156WLC CONTENTS Page Page 1 Safety Precautions 4.2. COLOUR PURITY 1.1. General Guide 4.3. CONVERGENCE 1.2. Leakage Current Cold Check 4.4. WHITE BALANCE (MARKET MODE CHK 4) 1.3. Leakage Current Hot Check (See Fig. 1) 4.5. ADJUSTMENT OF CRT VRS 1.4.
  • Page 3: Safety Precautions

    CT-F2156WLC 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: Gp41 Block Diagram

    CT-F2156WLC 1.5. GP41 Block Diagram...
  • Page 5: Service Hints

    CT-F2156WLC 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

    CT-F2156WLC 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. Set to normal mode : Press the volume down button on front, together press the off timer button on remote control.
  • Page 7: Adjustment Procedure

    CT-F2156WLC 4 Adjustment Procedure 4.1. Adjustment Procedure 4.1.1. +B Voltage 4.1.3. NTSC TINT COLOUR Item / preparation 1. Operate the TV set. Item / preparation 2. Set control as follows : 1. Connect oscilloscope probe to TPL1 (R OUT) with 10kΩ...
  • Page 8: Convergence

    CT-F2156WLC 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)

    CT-F2156WLC 4.4. WHITE BALANCE (MARKET MODE CHK 4) Preparation 1. Receive a colour bar signal with colour “OFF”, and operate the TV set for more than 30 minutes. 2. Set the picture menu to “DYNAMIC NORMAL” and the AI to off.
  • Page 10: Adjustment Of Crt Vrs

    CT-F2156WLC 4.5. ADJUSTMENT OF CRT VRS PREPARATION 1. Set DY to CRT not to tilt up and down left and right deflection. (fig 1) 2. Set CY to CRT and set CY magnet primarily. Pur Mg : Set Pur Mg that 2magnets are top position.
  • Page 11: Conductor Views

    CT-F2156WLC 5 Conductor Views...
  • Page 12: Schematic Diagrams

    CT-F2156WLC 6 Schematic Diagrams 6.1. SCHEMATIC DIAGRAM FOR GP41 CHASSIS...
  • Page 13 CT-F2156WLC...
  • Page 14: A Board

    CT-F2156WLC 6.2. A Board 6.2.1. A Board (1/5) <1A> <2A> <3A> <4A> <5A> <6A> <7A> <8A> <9A>...
  • Page 15 CT-F2156WLC 6.2.2. A Board (2/5) <1A> <1B> <2A> <2B> <3A> <4A> <3B> <4B> <5A> <6A> <7A> <8A> <5B> <6B> <7B> <8B> <9A> <9B>...
  • Page 16 CT-F2156WLC 6.2.3. A Board (3/5) <1B> <1C> <2B> <2C> <3B> <4B> <3C> <4C> <5B> <5C> <6C> <6B> <7C> <7B> <8C> <8B> <9B> <9C>...
  • Page 17 CT-F2156WLC 6.2.4. A Board (4/5) <1C> <1D> <2C> <2D> <3D> <3C> <4D> <4C> <5D> <6D> <7D> <5C> <8D> <6C> <7C> <8C> <9D> <9C>...
  • Page 18 CT-F2156WLC 6.2.5. A Board (5/5) <1D> <2D> <3D> <4D> <5D> <6D> <7D> <8D> <9D>...
  • Page 19: L Board

    CT-F2156WLC 6.3. L Board 6.3.1. L Board (1/3) <1A> <2A> <3A> <4A> <5A> <6A> <7A> <8A> <9A>...
  • Page 20 CT-F2156WLC 6.3.2. L Board (2/3) <1A> <1B> <2A> <3A> <4A> <5A> <6A> <2B> <7A> <8A> <3B> <9A> <4B>...
  • Page 21 CT-F2156WLC 6.3.3. L Board (3/3) <1B> <2B> <3B> <4B>...
  • Page 22: G Board

    CT-F2156WLC 6.4. G Board 6.4.1. G Board (1/3) <1A> <2A> <3A> <4A> <5A> <6A> <7A> <8A>...
  • Page 23 CT-F2156WLC 6.4.2. G Board (2/3) <1A> <1B> <2A> <3A> <4A> <2B> <5A> <3B> <6A> <4B> <7A> <8A> <5B>...
  • Page 24 CT-F2156WLC 6.4.3. G Board (3/3) <1B> <2B> <3B> <4B> <5B>...
  • Page 25: Parts Locations

    CT-F2156WLC 7 Parts Locations...
  • Page 26: Replacement Parts List

    CT-F2156WLC 8 Replacement Parts List 8.1. Replacement Parts List Notes...
  • Page 27: Replacement Parts List

    CT-F2156WLC 8.2. Replacement Parts List Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks A51LYZ295X PICTURE TUBE C3027 ECJ1VF1C105Z C 10UF, Z, 16V EASG15S02H2 SPEAKER C303 ECJ2VB1C104K C 0.1UF, K, 16V EUR7717050 REMOTE CONTROL...
  • Page 28 CT-F2156WLC Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C645 ECJ1VF1H104Z C 0.1UF, Z, 50V D558 MA185 DIODE C646 ECJ1VF1H104Z C 0.1UF, Z, 50V D601 B0ADDJ000025 DIODE C652 ECJ1VF1H104Z C 0.1UF, Z, 50V...
  • Page 29 CT-F2156WLC Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks L611 G0C100K00008 COIL R1201 ERJ3GEYJ102 M 1KOHM,J,1/16W L625 J0JKA0000038 BEAD CORE R1202 ERJ3GEYJ102 M 1KOHM,J,1/16W L630 TSK1032 BEAD CORE R1228 ERJ3GEYJ101 M 100OHM,J,1/16W...
  • Page 30 CT-F2156WLC Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R404 ERJ3GEYJ153 M 15KOHM,J,1/16W R832 ERJ3EKF4022 M 40.2KOHM,J,1/10W R405 ERDS2TJ563 C 56KOHM,J, 1/4W R833 ERDS2TJ472 C 4.7KOHM,J, 1/4W R406 D0AE1R5JA046 C 1.5OHM,J, 1/4W...
  • Page 31 CT-F2156WLC Ref. Part No. Part Name & Description Remarks JK3003 K4BK08B00008 AV TERMINAL JK3201 K4BZ07B00002 AV TERMINAL JS103 ERJ3GEY0R00 M 0OHM,J,1/16W JS104 ERJ3GEY0R00 M 0OHM,J,1/16W JS105 ERJ3GEY0R00 M 0OHM,J,1/16W JS110 ERJ3GEY0R00 M 0OHM,J,1/16W JS2315 ERJ3GEY0R00 M 0OHM,J,1/16W JS2341 ERJ3GEY0R00 M 0OHM,J,1/16W...

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