Panasonic CT-27SL14 - 27" CRT TV Service Manual
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Also See for CT-27SL14 - 27" CRT TV:
- Operating instructions manual (80 pages) ,
- Manual (28 pages)
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This simplified service manual is issued to add listed models to the NA10 family service manuals order
No.MTNC030733A1(CT-27SL13G), MTNC030834A1(CT-24SL13G) & MTNC030623C1(CT-25L8G). A complete
parts list and schematics are included in this simplified service manual. Please file and use this simplified
service
manual
together
MTNC030834A1(CT-24SL13G) and main service manual order No. MTNC030623C1 (CT-25L8G).
CONTENTS
CT-24SL14J
CT-24SL14UJ
CT-27SL14J
CT-27SL14UJ
GN3 (NA10)
with
simplified
service
Page
3
4
5
5
6
manuals
MTNC030733A1(CT-27SL13G),
Copyright 2004 Matsushita Electric Corporation of
America. All rights reserved. Unauthorized copying
and distribution is a violation of law.
MTNC040108A1
Color Television
Page
B05
7
7
8
9
9
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Table of Contents
Related Manuals for Panasonic CT-27SL14 - 27" CRT TV
Summarization of Contents
Safety Precautions and Testing Procedures
General Servicing Guidelines
Covers general advice and safety precautions for servicing the receiver.
Electrical Safety Tests
Includes procedures for leakage current, insulation, and X-ray radiation checks.
Horizontal Oscillator Disable Circuit Test
Specific test procedure for the horizontal oscillator disable circuit.
Service Notes and Component Handling
Leadless Chip Component Procedures
Covers removal, installation, and identification of surface mount components.
Flat IC Replacement Guide
Step-by-step instructions for replacing flat integrated circuits.
EEPROM Replacement and Programming
EEPROM Programming Procedure
Steps for entering service mode and setting EEPROM values for new replacements.
Lead-Free Solder Information
PbF Solder Usage and Precautions
Details on using and handling lead-free solder, including its properties and cautions.
Receiver Specifications and Board Identification
Feature Table Overview
Lists key features and specifications for different receiver models.
Board Description Table
Identifies main circuit boards and their corresponding part numbers.
TV Controls and Indicators
Front Panel Control Layout
Describes the location and function of front panel buttons and indicators.
Remote Control Functions
Remote Control Button Operations
Details the function of each button on the provided remote control.
Disassembly and CRT Replacement
Back Cover and Chassis Removal
Steps for removing the back cover and accessing the internal chassis.
CRT Board and Speaker Removal
Procedures for removing the CRT board and speakers from the unit.
CRT Replacement Procedure
Detailed steps for the safe and correct replacement of the picture tube.
Degaussing Coil and Ground Braid Handling
Specific instructions for handling degaussing coil and dag ground braid during CRT replacement.
Internal Component Layout
Inside View of Components
Visual overview of internal parts, connections, and board locations.
Chassis Service Adjustment Procedures
B+ Voltage Check
Procedure to verify the B+ voltage level supplied to the horizontal output and flyback circuits.
High Voltage Check
Procedure to measure and verify the high voltage output for the picture tube.
Service Mode Operations
Entering Service Mode Methods
Covers quick entry via remote and open-back method using test points.
Exiting Service Mode and Purity Check
Procedures for exiting service mode and entering the purity field check mode.
Service Adjustment Default Values
Adjustable Parameters and Default Settings
Table of default values for various electronic adjustments and ID switches.
Electronic Control Adjustments
Sub-Brightness and Contrast DAC Adjustment
Adjusting brightness and contrast controls via Service DAC.
Color Output DAC Adjustment
Adjusting color and tint parameters using Service DAC.
Color Temperature and Deflection Adjustments
Color Temperature (B/W Tracking) Adjustment
Adjusting color temperature and grayscale tracking using DAC.
H-Center Adjustment
Procedure for centering the horizontal picture using H POS data.
Vertical Linearity and V-S Correction
Vertical Linearity, Size, and Position Adjustment
Adjusting vertical linearity, size, and position parameters.
V-S Correction Adjustment
Procedure for V-S correction to adjust vertical aspect ratio.
MTS Circuit and Clock Adjustments
MTS Circuit Adjustments
Procedures for MTS input level and stereo separation adjustments.
Clock Adjustment (CLOCK)
Procedure for adjusting the system clock frequency.
Component Identification
A-Board and C-Board Main Components
Identifies key components on the A-Board and C-Board with visual aids.
Reference Information
PDF Color Link Reference
Explains the meaning of colors used in PDF links for navigation.
Block Diagrams
Video Signal Path Block Diagram
Illustrates the flow of video signals through the system's main components.
Audio Signal Path Block Diagram
Illustrates the flow of audio signals through the system's main components.
Schematic Notes and Measurement Guidelines
Schematic Diagram Notes
General notes for understanding schematic symbols, conventions, and component designations.
Voltage and Waveform Measurement Guidelines
Guidelines for taking accurate voltage and waveform measurements.
Schematic Notes (Spanish)
Safety and Diagram Notes (Spanish)
Safety warnings and diagram conventions provided in Spanish.
Measurement Guidelines (Spanish)
Guidelines for voltage and waveform measurements presented in Spanish.
C-Board Schematic
C-Board Schematic TNP2AA157AN/AR (1 of 2)
Schematic diagram of the C-Board, first part.
C-Board Schematic TNP2AA157AN/AR (2 of 2)
Schematic diagram of the C-Board, second part.
Component Voltages
A-Board IC Voltage References
Lists voltage readings for various ICs on the A-Board for reference.
Transistor Voltage Measurements
Lists voltage readings for transistors on both A and C boards.
Waveform Examples
A-Board Waveform Illustrations
Visual examples of expected waveforms at key test points on the A-Board.
Parts List Notes and Abbreviations
Important Safety Notice for Parts
Safety notice regarding the selection and replacement of critical components.
Part Name and Description Abbreviations
Explains abbreviations used in the parts list for component identification.
Detailed Parts List: Capacitors, Diodes, Resistors, and Transistors
Capacitor and Diode Part Numbers
Lists capacitor and diode part numbers and their descriptions.
Resistor and Transistor Part Numbers
Lists resistor and transistor part numbers and their descriptions.
Detailed Parts List: Coils, Switches, Transformers, and Connectors
Coil, Switch, Transformer, and Connector Part Numbers
Lists part numbers for coils, switches, transformers, and connectors.
CRT Socket, Yoke, Tuner, and Other Parts
Lists part numbers for CRT socket, yoke, tuner, and other miscellaneous components.
Detailed Parts List: Resistors and Transistors (Continued)
Resistor Part Numbers (Continued)
Continues the list of resistor part numbers and their specifications.
Transistor Part Numbers (Continued)
Continues the list of transistor part numbers and their specifications.
Detailed Parts List: Resistors (Continued)
Resistor Part Numbers (Continued)
Further continuation of the resistor part numbers list.
Detailed Parts List: Switches, Transformers, and Miscellaneous (Continued)
Switch, Transformer, and Other Part Numbers (Continued)
Other components like switches, transformers, and accessories.
Detailed Parts List: Cabinets and Accessories
Cabinet and Connector Part Numbers
Part numbers for cabinets and various connectors.
Accessory Part Numbers
Part numbers for accessories like remote control and owner's manual.
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