Panasonic CT-2005SB Service Manual
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Panasonic CT-2005SB Service Manual

Panasonic CT-2005SB Service Manual

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Service Manual
This Simplified Service Manual is issued to add listed models to the Main Service Manual order No. MTNC000101C1.
A full set of schematics, disassembly procedures, and a complete parts list are included in this Simplified Manual.
Please file and use this Simplified Service Manual together with Main Service Manual, order No. MTNC000101C1.
"WARNING! This Service Manual is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to
service or repair the product or products dealt with in this Service Manual by anyone else could result in serious injury or death."
The service technician is required to read and follow the "Safety Precautions" and "Important Safety Notice" in the Main Manual.
Color Television
Simplified Manual
Models
CT-2005SB
Copyright 2000 by Matsushita Electric Corporation of
America. All rights reserved. Unauthorized copying
and distribution is a violation of law.
®
ORDER NO. MTNC000582A1
B1
NA6LV
Panasonic
Chassis
PP326

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Summary of Contents for Panasonic CT-2005SB

  • Page 1 Panasonic Models Chassis CT-2005SB PP326 This Simplified Service Manual is issued to add listed models to the Main Service Manual order No. MTNC000101C1. A full set of schematics, disassembly procedures, and a complete parts list are included in this Simplified Manual.

  • Page 2: Important Safety Notice

    Important Safety Notice Special components are used in this television set which are important for safety. These parts are identified on the schematic diagram by the symbol and printed in BOLD TYPE on the replacement part list. It is essential that these critical parts are replaced with the manufacturer’s specified replacement part to prevent X-ray radiation, shock, fire or other hazards.

  • Page 3: Table Of Contents

    Important Safety Notice ....2 Safety Precautions ....2 Service Notes .

  • Page 4: Service Notes

    Service Notes Note: These components are affixed with glue. Be careful not to break or damage any foil under the component or at the pins of the ICs when removing. Usually applying heat to the component for a short time while twisting with tweezers will break the component loose. Leadless Chip Component How to Replace Flat-IC (surface mount)

  • Page 5: Horizontal Oscillator Disable Circuit

    Service Notes (Continued) Procedure: IMPORTANT: To protect against possible damage to the solid state devices due to arcing or static 1. Tune in a station to verify that the horizontal is discharge, make certain that all ground wires and CTR in sync.

  • Page 6: Receivers Feature Table

    Receiver Feature Table FEATURE\MODEL CT-2005SB Chassis NA6LV Tunning system # of channels Menu language Eng/Span/Fr Closed Caption V-Chip 75 Ω input Remote Model # EUR501450 Picture tube A51KQN011X Notch filter V/A norm (X=both) MTS/SAP/DBX AI Sound (DXL:*,SMPL:X) Built-in audio power 1.5Wx2 (10%)

  • Page 7: Location Of Controls (Receiver)

    Location of Controls (Receiver) Figure 2. Location of Controls (Typical receiver). POWER VOLUME CHANNEL ACTION TV/VIDEO Remote Control Sensor Quick Reference Control Operation Quick Reference Control Operation Power Button - Press to turn ON or OFF. Volume Buttons - Press to adjust Sound Level, or to adjust Audio Menus, Video Menus, and select operating features when menus are displayed Channel Buttons - Press to select programmed channels.

  • Page 8: Location Of Controls (Remote)

    Location of Controls (Remote) Power Button Press to turn ON and OFF. Mute Button Press to mute sound. A second press resumes sound. Press also to access and delete Closed Caption display. TV/Video Button Press to select TV or Video input.

  • Page 9: Component Identification

    Component Identification CRT Socket Figure 4. C Board.d10 1 screw 1 screw 1 screw 1 screw 1 screw 1 screw Figure 5. Back of Television.(d10) - 9 -...
  • Page 10 Component Identification (cont.) CRT secured by 4 screws Anode (High Voltage) Degaussing Coil Wedge Yoke Deflection Yoke C-Board Speaker Speaker Tuner Speakers A-Board T551 Flyback Audio/Video Inputs On/Off Switch Figure 6. Television’s rear view with cover removed. IC001 MPU Remote Control Sensor Front Keypad IC101 VCJ IC451 V Out...

  • Page 11: Parts List

    REPLACEMENT PARTS LIST Model: CT-2005SB Important Safety Notice: Components printed in BOLD TYPE have special characteristics important for safety. When replacing any of these components use only manufacturer’s specified parts. REF NO. PART NO. DESCRIPTION REF NO. PART NO. DESCRIPTION...
  • Page 12 REPLACEMENT PARTS LIST Model: CT-2005SB Important Safety Notice: Components printed in BOLD TYPE have special characteristics important for safety. When replacing any of these components use only manufacturer’s specified parts. REF NO. PART NO. DESCRIPTION REF NO. PART NO. DESCRIPTION...
  • Page 13 REPLACEMENT PARTS LIST Model: CT-2005SB Important Safety Notice: Components printed in BOLD TYPE have special characteristics important for safety. When replacing any of these components use only manufacturer’s specified parts. REF NO. PART NO. DESCRIPTION REF NO. PART NO. DESCRIPTION...
  • Page 14 REPLACEMENT PARTS LIST Model: CT-2005SB Important Safety Notice: Components printed in BOLD TYPE have special characteristics important for safety. When replacing any of these components use only manufacturer’s specified parts. REF NO. PART NO. DESCRIPTION REF NO. PART NO. DESCRIPTION...
  • Page 15 REPLACEMENT PARTS LIST Model: CT-2005SB Important Safety Notice: Components printed in BOLD TYPE have special characteristics important for safety. When replacing any of these components use only manufacturer’s specified parts. REF NO. PART NO. DESCRIPTION REF NO. PART NO. DESCRIPTION...
  • Page 16 REPLACEMENT PARTS LIST Model: CT-2005SB Important Safety Notice: Components printed in BOLD TYPE have special characteristics important for safety. When replacing any of these components use only manufacturer’s specified parts. REF NO. PART NO. DESCRIPTION REF NO. PART NO. DESCRIPTION...
  • Page 17 REPLACEMENT PARTS LIST Model: CT-2005SB Important Safety Notice: Components printed in BOLD TYPE have special characteristics important for safety. When replacing any of these components use only manufacturer’s specified parts. REF NO. PART NO. DESCRIPTION REF NO. PART NO. DESCRIPTION...
  • Page 18 REPLACEMENT PARTS LIST Model: CT-2005SB Important Safety Notice: Components printed in BOLD TYPE have special characteristics important for safety. When replacing any of these components use only manufacturer’s specified parts. DESCRIPTION OF ABBREVIATIONS GUIDE RESISTOR TYPE TOLERANCE Carbon +/- 1%...
  • Page 19 Notes: - 19 -...
  • Page 20 SERVICEMAN MODE (ELECTRONIC CONTROL) SERVICE ADJUSTMENT VALUES Model _____________________________________________ Ser #_____________ Date_________________ Note: Record the original settings PRIOR to modifying the registers. Service Adjustment Def. Original Service Adjustment Def. Original Mode Mode Adjustment Range Val. Value Value Adjustment Range Val. Value Value Sub Adjustments...
  • Page 21 A-Board Schematic - CT-2005SB A-Board Voltage Measurements (ICs and Transistors) Voltage Measurements Waveform Measurements IC001 IC002 IC551 IC101 IC2201 IC2303 Q001 Q002 Q003 Q004 Q302 Voltage measurement: Voltage readings are nominal indicates waveform measurement. All video and color waveforms are Notes: and may vary ±10% on active...

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