Panasonic TX-24C300 / TX-24CW304 / TX-32C300 / TX-32CW304 / TX-40C300 / TX-40CW304 / TX-48C300 / TX-48CW304 / TX-24CR300 / TX-40CR300 / TX-48CR300 Service Manual ▷ View online
4
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.
This model uses Pb Free solder in it’s manufacture due to environmental conservation issues. For service and repair work,
we’d suggest the use of Pb free solder as well, although Pb solder may be used.
PCBs manufactured using lead free solder will have the PbF within a leaf Symbol
stamped on the back of PCB.
Caution
Pb free solder has a higher melting point than standard solder. Typically the melting point is 50 ~ 70 °F (30~40°C)
higher. Please use a high temperature soldering iron and set it to 700 ± 20 °F (370 ± 10 °C).
higher. Please use a high temperature soldering iron and set it to 700 ± 20 °F (370 ± 10 °C).
Pb free solder will tend to splash when heated too high (about 1100 °F or 600 °C).
If you must use Pb solder, please completely remove all of the Pb free solder on the pins or solder area before
applying Pb solder. If this is not practical, be sure to heat the Pb free solder until it melts, before applying Pb solder.
If you must use Pb solder, please completely remove all of the Pb free solder on the pins or solder area before
applying Pb solder. If this is not practical, be sure to heat the Pb free solder until it melts, before applying Pb solder.
After applying PbF solder to double layered boards, please check the component side for excess solder which may
flow onto the opposite side. (see Fig.3)
flow onto the opposite side. (see Fig.3)
Suggested Pb free solder
There are several kinds of Pb free solder available for purchase. This product uses Sn+Ag+Cu (tin, silver, copper) solder.
However, Sn+Cu (tin, copper), Sn+Zn+Bi (tin, zinc, bismuth) solder can also be used. (see Fig.4)
However, Sn+Cu (tin, copper), Sn+Zn+Bi (tin, zinc, bismuth) solder can also be used. (see Fig.4)
Fig.3
Fig.4
5
Service Navigation
Chassis Board Layout
Chassis Board Layout
Name
Function
Position
Main-Board AV Terminal, HDMI, USB, TUNER DVB-A/T/C,
CI-Slot, Headphones, Speaker out,
1
P-Board
Main Input, Power Supply, Back Light
2
LED-Board Remote
Receiver
3
Panel
LCD-Panel / Backlight
4
Speaker 5
LVDS Cable
6
(1) Main-BOARD
(3) LED-BOARD
(2) P-BOARD
(4) Panel
(5) Speaker
(6) LVDS Cable
24 inch Models
Name
Function
Position
Main-Board AV Terminal, HDMI, USB, TUNER DVB-A/T/C,
CI-Slot, Headphones, Speaker out,
1
P-Board
Main Input, Power Supply, Back Light
2
LED-Board Remote
Receiver
3
Panel
LCD-Panel / Backlight
4
Speaker 5
LVDS Cable
6
(3) LED-BOARD
(2) P-BOARD
(4) Panel
(5) Speaker
(6) LVDS Cable
32 inch Models
(1) Main BOARD
6
Name
Function
Position
Main-Board AV Terminal, HDMI, USB, TUNER DVB-A/T/C,
CI-Slot, Headphones, Speaker out,
1
P-Board
Main Input, Power Supply, Back Light
2
LED-Board Remote
Receiver
3
Panel
LCD-Panel / Backlight
4
Speaker 5
LVDS Cable
6
(1) Main-BOARD
(3) LED-BOARD
(2) P-BOARD
(4) Panel
(5) Speaker
(6) LVDS Cable
Name
Function
Position
Main-Board AV Terminal, HDMI, USB, TUNER DVB-A/T/C,
CI-Slot, Headphones, Speaker out,
1
P-Board
Main Input, Power Supply, Back Light
2
LED-Board Remote
Receiver
3
Panel
LCD-Panel / Backlight
4
Speaker 5
LVDS Cable
6
48 inch Models
40 inch Models
(1) Main-BOARD
(3) LED-BOARD
(2) P-BOARD
(4) Panel
(5) Speaker
(6) LVDS Cable
7
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)
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)
Then login to
PanaNet
and download concerned parts list. Model No. and Production Code are part of the file name.
Service Hints
How to remove the pedestal and backcover (24 inch)
Lay the main unit face down. (see Fig.5)
Press lock/release button and remove pedestal. (see Fig.6)
Fig.5
Fig.6
Click on the first or last page to see other TX-24C300 / TX-24CW304 / TX-32C300 / TX-32CW304 / TX-40C300 / TX-40CW304 / TX-48C300 / TX-48CW304 / TX-24CR300 / TX-40CR300 / TX-48CR300 service manuals if exist.