Panasonic TX-32ASR600 / TX-32ASR605 (serv.man2) Service Manual ▷ View online
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2.2. 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.
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.
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 PbF stamped on the back of PCB.
Caution
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).
• 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.
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 figure below)
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.
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.
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3 Service Navigation
3.1 Service Hint
Board Name
Function
Remarks
Main Board
Speaker out, AV Terminal, HDMI in, Digital Audio out,
Digital Signal Processor, USB, Tuner
Digital Signal Processor, USB, Tuner
All boards are non
serviceable and
should be exchanged
for service
serviceable and
should be exchanged
for service
Power Board
Power (AC/DC), DC-DC
Key-IR- Board
Remote Receiver, LED
Control Button, Power switch
Control Button, Power switch
Main Board
Power Board
Key-IR- Board
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4 Specifications
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5. Troubleshooting Guide
5.1 No Power
No power (LED “Off”)
Check the AC input and
the power is “ON”?
the power is “ON”?
Power “On”
Power board
output=16V?
output=16V?
Replace the Power board
Yes
No
Yes
No
Use RC or Key to turn on
the TV
No
Yes
1. RC can turn on the TV and Key can’t,
replace the key board.
2. Key can turn on the TV and RC can’t,
replace the RC.
Replace the Main board
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