About Lead Free Solder (Pbf) - Panasonic DLP PT-52DL52 Service Manual

operation, wait until it cools completely when replacing the lamp.
- The lamp emits small amounts of UV-radiation, avoid diredt-eye
contact with the light.
2. Functions for Safety
2.1. Temperature Detection for the Lamp Unit
This projector has the bimetal contacting the lamp unit to project the lamp. If the temperature of
the lamp unit exceeds 100°C, the bimetal will operate to turn off the power.
The installed position of the bimetal is shown in the illustration.
To recover the bimetal from its off state, press the protrusion of the bimetal unit you hear it click.
2.2. Interlock Switch
To ensure safety, this projection TV is designed so that the power cannot be turned on without
the Lamp Unit Cover or under its imperfect installation.
If removing the Lamp Unit Cover during the operation of the Projection TV, the power will be
turned off.

3. 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.
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