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Service Manual
This service information 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 potencial 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 deal within this service information by anyone else could result in serious injury or death.
There are special components used in this equipment which are important for safety. These parts are marked
Schematic Diagrams, Circuit Board Diagrams, Explorer Views and Replacement Parts List. It is essential that these
critical parts should be replaced with manufacturer´s specified parts to prevent shock, fire or other hazards. Do not
modify the original design without permission of manufacturer.
TX-24CR300 / TX-24CR300
TX-24CW304 / TX-32C300
TX-32CW304 / TX-40C300
TX-40CW304 / TX-40CR300
TX-48CW304 / TX-48C300
TX-48CR300
Warning
IMPORTANT SAFETY NOTICE
0
ORDER No. MQM1505001V2
LCD Television
MB97 Chassis
© Panasonic Corporation 2015.
Unauthorized copying and
distribution is a violation of law.
in the
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Table of Contents
Related Manuals for Panasonic TX-24CR300
Summary of Contents for Panasonic TX-24CR300
- Page 1 ORDER No. MQM1505001V2 Service Manual LCD Television TX-24CR300 / TX-24CR300 TX-24CW304 / TX-32C300 TX-32CW304 / TX-40C300 TX-40CW304 / TX-40CR300 TX-48CW304 / TX-48C300 TX-48CR300 MB97 Chassis Warning This service information 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 potencial dangers in attempting to service a product.
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Page 2: Table Of Contents
CONTENTS SAFETY PRECAUTIONS ........... 2 GENERAL GUIDE LINES ........2 TOUCH – CURRENT CHECK ....... 2 PREVENTION OF ELECTROSTATIC DISCHARGE (ESD) TO ELECTROSTATICALLY SENSITIVE (ES) DEVICES ..............3 ABOUT LEAD FREE SOLDER (PBF) ......4 SERVICE NAVIGATION ..........5 SERVICE HINTS............7 SERVICE MODE FUNCTION ........ -
Page 3: Safety Precautions
Safety Precautions General Guide Lines When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or damaged by the short circuit. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly installed. -
Page 4: Prevention Of Electrostatic Discharge
Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor "chip"... -
Page 5: About Lead Free Solder (Pbf)
About lead free solder (PbF) Note: Lead is listed as (Pb) in the periodic table of elements. In the information below, Pb will refer to Lead solder, and PbF will refer to Lead Free Solder. The Lead Free Solder used in our manufacturing process and discussed below is (Sn+Ag+Cu). That is Tin (Sn), Silver (Ag) and Copper (Cu) although other types are available. -
Page 6: Service Navigation
Service Navigation Chassis Board Layout 24 inch Models (1) Main-BOARD (2) P-BOARD (4) Panel (6) LVDS Cable (3) LED-BOARD (5) Speaker Name Function Position Main-Board AV Terminal, HDMI, USB, TUNER DVB-A/T/C, CI-Slot, Headphones, Speaker out, P-Board Main Input, Power Supply, Back Light LED-Board Remote Receiver Panel... - Page 7 40 inch Models (2) P-BOARD (1) Main-BOARD (6) LVDS Cable (4) Panel (3) LED-BOARD (5) Speaker Name Function Position Main-Board AV Terminal, HDMI, USB, TUNER DVB-A/T/C, CI-Slot, Headphones, Speaker out, P-Board Main Input, Power Supply, Back Light LED-Board Remote Receiver Panel LCD-Panel / Backlight Speaker...
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Page 8: Service Hints
Spareparts Identification In order to properly identify correct Parts Order No. for each unit, it is required to respect not only the Model number, but also the so called Product Code. Both information can be obtained from rating label on the rear cover of the unit. In the below example the key information would be: Model TX-32CW304 Product Code 10089032 (first 8 digits of upper code) - Page 9 How to remove the pedestal and backcover (32, 40, 48 inch) Lay the main unit face down. (see Fig.7) Fig.7 Remove the 4 fixing screws and the pedestal assembly. (see Fig.8) Fig.8 Remove the fixing screws and the back cover. (see Fig.9) Fig.9...
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Page 10: Service Mode Function
Service Menu You can see the service menu main screen below. You can check SW releases by using this menu. Some Video settings can be done. How to enter into Service Menu First press [MENU] button on the remote control, then type “4725” and the Service Main Menu will appear. How to exit To return from Service Menu simply press [EXIT] on remote control. -
Page 11: Software Update
SOFTWARE UPDATE MAIN SW UPDATE In MB97 project please follow the update procedure below: 1. The files mb97_en.bin RomBoot.bin PM51.bin usb_auto_update_D7L.txt should be copied directly into root path of an empty flash memory (not in a folder). 2. Insert flash memory into the TV while TV is disconnected from AC mains. 3. -
Page 12: Hotel Mode
Hotel Mode HOTEL TV FEATURES The HOTEL TV is a special mode which restricts some operations of TV. This allows the customer to use the TV in hotels,in prisons or in hospitals. The restrictions of a hotel TV are basically given below. 1. - Page 13 Fixed Volume Enable Enables (Fixed Volume Enable = On) or prohibits (Fixed Volume Enable = Off) the use of fixed volume value which is set by menu item “Fixed Volume Value”. If Fixed Volume Enable is ON, volume cannot be set to a value other than the Fixed Volume Value.
- Page 14 Multiple RC Support If OFF is selected TV will go on normal operation. If It is ON RCU type (system code) that is chosen in “RCU program menu” will be used. “RCU program menu” can be opened by RETURN-1-2-3-4 shortcut. Note: For any MHEG supporting services sequence should be INFO-RETURN-1-2-3-4.
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Page 15: Parts Location
Parts location Pos. Name Remote Control Main power switch IR-Remote Receiver (K-Board) CI-slot, USB, AV-in, HeadPhone, Speaker Mode-Switch / Selector SPDIF, SCART, VGA, ANT.,HDMI1/2, LNB Stand / Foot... -
Page 16: Location Of Lead Wiring
Location of Lead Wiring 24 inch model Back Light LVDS Cable Speaker connection AC-Mains lead Main power switch IR-Remote Receiver... - Page 17 Location of Lead Wiring 32 inch model Back Light LVDS Cable Speaker connection AC-Mains lead Main power switch IR-Remote Receiver...
- Page 18 Location of Lead Wiring 40 inch model Back Light LVDS Cable Speaker connection AC-Mains lead Main power switch IR-Remote Receiver...
- Page 19 Location of Lead Wiring 48 inch model Back Light LVDS Cable Speaker connection AC-Mains lead IPS-Cable IR-Remote Receiver...
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Page 21: Exploded View
Exploded View (24 inch) Pos. Name Rear Cover Front Cover IR-Remote Receiver (LED-Board) Panel Speaker Rear cover Screw (3x9,5) Rocker Switch Stand Rear cover Screw (4x12) - Page 22 Exploded View (32, 40, 48 inch) Name Rear Cover Front Cover IR-Remote Receiver (LED-Board) Panel Speaker Rear cover Screw Foot bracket and 12 screws Stand plate only...