Panasonic CT-F2936LC Service Manual
Panasonic CT-F2936LC Service Manual

Panasonic CT-F2936LC 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 110-120 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-F2936LC
GP41 Chassis
Y
98 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. MTV0601435CE

Colour Television

Approx. 0.5V, 47KΩ
AUDIO L-R 0.5VRMS
(PHONE JACK TYPE x 2)
A68LZU185X-E Type 29 (67.6 cm)
Measured diagonally,
786 mm x 512 mm x 578 mm
reserved.
Unauthorized
1.0 Vp-p, 75Ω
0.7 Vp-p, 75Ω
0.7 Vp-p, 75Ω
1.0 Vp-p, 75Ω
31.0 (±1) at zero
beam current
104° deflection
16 W speaker
43 kg (Net)
copying
and

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Summary of Contents for Panasonic CT-F2936LC

  • Page 1: Colour Television

    Order No. MTV0601435CE Colour Television CT-F2936LC GP41 Chassis Specification Power Source AC SINGLE 110-120 V, 50/60 Hz 1.0 Vp-p, 75Ω Power Consumption 98 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-F2936LC 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-F2936LC 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-F2936LC 1.5. GP41 Block Diagram...
  • Page 5: Service Hints

    CT-F2936LC 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-F2936LC 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-F2936LC 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-F2936LC 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-F2936LC 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-F2936LC 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

    CT-F2936LC 5 Conductor Views...
  • Page 12: Schematic Diagrams

    CT-F2936LC 6 Schematic Diagrams 6.1. SCHEMATIC DIAGRAM FOR GP41 CHASSIS...
  • Page 13 CT-F2936LC...
  • Page 14: A Board

    CT-F2936LC 6.2. A Board 6.2.1. A Board (1/5) <1A> <2A> <3A> <4A> <5A> <6A> <7A> <8A> <9A>...
  • Page 15 CT-F2936LC 6.2.2. A Board (2/5) <1A> <1B> <2A> <2B> <3A> <3B> <4B> <4A> <5B> <5A> <6A> <7A> <6B> <7B> <8A> <8B> <9A> <9B>...
  • Page 16 CT-F2936LC 6.2.3. A Board (3/5) <1B> <1C> <2B> <2C> <3B> <4B> <3C> <4C> <5C> <5B> <6C> <6B> <7C> <7B> <8B> <8C> <9B> <9C>...
  • Page 17 CT-F2936LC 6.2.4. A Board (4/5) <1C> <1D> <2C> <2D> <3D> <3C> <4C> <4D> <5C> <6C> <5D> <6D> <7D> <7C> <8D> <8C> <9C> <9D>...
  • Page 18 CT-F2936LC 6.2.5. A Board (5/5) <1D> <2D> <3D> <4D> <5D> <6D> <7D> <8D> <9D>...
  • Page 19: L Board

    CT-F2936LC 6.3. L Board 6.3.1. L Board (1/3) <1A> <2A> <3A> <4A> <5A> <6A> <7A>...
  • Page 20 CT-F2936LC 6.3.2. L Board (2/3) <1A> <1B> <2A> <2B> <3B> <4B> <3A> <4A> <5B> <5A> <6A> <6B> <7A> <7B>...
  • Page 21 CT-F2936LC 6.3.3. L Board (3/3) <1B> <2B> <3B> <4B> <5B> <6B> <7B>...
  • Page 22: G Board

    CT-F2936LC 6.4. G Board 6.4.1. G Board (1/4) <1A> <2A> <3A>...
  • Page 23 CT-F2936LC 6.4.2. G Board (2/4) <1A> <1B> <2A> <2B> <3B> <4B> <3B> <5B>...
  • Page 24 CT-F2936LC 6.4.3. G Board (3/4) <1B> <1C> <2B> <2C> <3B> <3C> <4B> <4C> <5B> <5C>...
  • Page 25 CT-F2936LC 6.4.4. G Board (4/4) <1C> <2C> <3C> <4C> <5C>...
  • Page 26: Parts Locations

    CT-F2936LC 7 Parts Locations...
  • Page 27: Replacement Parts List

    CT-F2936LC 8 Replacement Parts List 8.1. Replacement Parts List Notes...
  • Page 28: Replacement Parts List

    CT-F2936LC 8.2. Replacement Parts List Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks A68LZU185X-E PICTURE TUBE C3151 F2A1H2R2A118 E 2.2UF, 50V EASG15S02H2 SPEAKER C355 ECWF2334JSR P 0.33UF, J, 250V EUR7717050 REMOTE CONTROL...
  • Page 29 CT-F2936LC Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks C662 F2A0J101A317 E 100UF, 6.3V D402 B0HAJL000003 DIODE C665 ECJ2VC1H150J C 15PF, J, 50V D503 B0AACK000004 DIODE C666 ECJ2VC1H150J C 15PF, J, 50V...
  • Page 30 CT-F2936LC Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks L385 EXCELSA39V BEAD CORE R005 ERJ6GEYJ512 M 5.1KOHM,J,1/10W L412 J0JKA0000024 EMI FILTER R006 ERJ6GEYJ473 M 47KOHM,J,1/10W L505 J0JKA0000024 EMI FILTER R007 ERJ6GEYJ682 M 6.8KOHM,J,1/10W...
  • Page 31 CT-F2936LC Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R318 ERJ6GEYJ151 M 150OHM,J,1/10W R627 ERJ6GEYJ103 M 10KOHM,J,1/10W R319 ERJ6GEYJ151 M 150OHM,J,1/10W R628 ERJ6GEYJ823 M 82KOHM,J,1/10W R3247 ERJ6GEY0R00 M 0OHM,J,1/10W R629 ERJ6GEY0R00 M 0OHM,J,1/10W...
  • Page 32 CT-F2936LC Ref. Part No. Part Name & Description Remarks Ref. Part No. Part Name & Description Remarks R954 ERJ6GEYJ331 M 330OHM,J,1/10W JS3146 ERJ6GEY0R00 M 0OHM,J,1/10W R956 ERJ6GEYJ560 M 56OHM,J,1/10W JS631 ERJ6GEY0R00 M 0OHM,J,1/10W R958 ERJ6GEYJ391 M 390OHM,J,1/10W JS632 ERJ6GEY0R00 M 0OHM,J,1/10W...

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