Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic TV CT-13R28W CT13R18B-CT13R28B
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ORDER NO.MTNC030415C1
Service Manual
B01
Color Television
Main Manual
Panasonic
Models Chassis
CT-13R18B TMC573
CT-13R38S TMC573
CT-13R28W TMC573
This service manual is issued as a service guide for the models listed above.
Included in this manual are a set of schematic, block diagrams, functional descriptions, alignment procedures,
disassembly procedures and a complete parts list.
"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 this Main Manual.
Copyright 2003 by Matsushita Electric Corporation of
America. All rights reserved. Unauthorized copying
and distribution is a violation of law.
CONTENTS
CONTENTS ...........................................................................................................................................................................................
.................... A1- 1
Important S afety Notice ........................................................................................................................... ........................................
.................... A2- 1
Service Notes ............................................................................................................................... ........................................
.................................. A2-2, A2- 3
About lead free solder ( PbF) ................................................................................................................. ........................................
.................... A2- 4
GENERAL SPECIFICATION S .......................................................................................................................
........................................
.................... A3-1~A3-5
DISASSEMBLY INSTRUCTIONS
1. REMOVAL OF A NODE CAP ............................................................................................................ ........................................
.................... B- 1
2. NOTE FOR THE REMOVAL OF T HE MAIN P CB ......................................................................... .................... ........................................ B- 1
SERVICE MODE LIST ............................................................................................................................... ........................................
.................... C- 1
CONFIRMATION OF HOURS U SED ............................................................................................................. ........................................
.................... C- 1
WHEN REPLACING EEPROM (MEMORY) I C ............................................................................................. ........................................
.................... C- 1
SERVICE MODE DEFAULT VALUES .......................................................................................................... ........................................
.................... C- 2
ELECTRICAL ADJUSTMENTS
1. BEFORE M AKING ELECTRICAL ADJUSTMENTS ...................................................................... ....................
........................................ D- 1
2. BASIC ADJUSTMENTS ................................................................................................................... ........................................
.................... D-1, D -2
3. PURITY AND CONVERGENCE ADJUSTMENTS ........................................................................ ....................
........................................ D- 3
4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) ......... D- 4
............................................................................................
BLOCK DIAGRAM ............................................................................................................................... E-1, E -2
PRINTED CIRCUIT BOARDS
MAIN/CRT .......................................................................................................................
............................................................................................
........................ F-1~F-4
SCHEMATIC DIAGRAM S
MICON/CHROMA/TUNER ....................................................................................................................
............................................................................................ G-1, G -2
............................................................................................
TV POWER ............................................................................................................................... .............. G-3, G -4
DEFLECTION/CRT ............................................................................................
............................................................................................................................... G-5, G -6
SOUND/AV ............................................................................................................................... ..............
............................................................................................ G-7, G -8
VOLTAGE LIST ............................................................................................................................... .............
............................................................................................ H- 1
............................................................................................
WAVEFORMS ............................................................................................................................... ................ I-1, I-2
............................................................................................
MECHANICAL EXPLODED VIEW ............................................................................................................... J-1
MECHANICAL REPLACEMENT ............................................................................................
PARTS LIST ........................................................................................... K1- 1
ELECTRICAL REPLACEMENT PARTS LIST ............................................................................................
............................................................................................ K 2-1~K2-2
A1-1
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. Do not modify the original design without the manufacturer's permission.
Safety Precautions
General Guidelines
An Isolation Transformer should always be used Measure the resistance between the jumpered AC plug
during the servicing of a receiver whose chassis is not and expose metallic parts such as screwheads, antenna
isolated from AC power line. Use a transformer of terminals, control shafts, etc. If the exposed metallic
adequate power rating as this protects the technician part has a return path to the chassis, the reading should
from accidents resulting in personal injury from electrical be between 240k and 5.2M . If the exposed metallic
shocks. It will also protect the Receiver from being part does not have a return path to the chassis, the
damaged by accidental shorting that may occur during reading should be infinite.
servicing. Leakage Current Hot Check (Fig. 1)
When servicing, observe the original lead dress, Plug the AC cord directly into the AC outlet. Do not use
especially in the high voltage circuit. Replace all an isolation transformer during the check.
damaged parts (also parts that show signs of Connect a 1.5k 10 watt resistor in parallel with a
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