KX-TG1077UAB, KX-TG1077UAJ, KX-TG1077UAW, KX-TGA107UAB, KX-TGA107UAJ, KX-TGA107UAW - Panasonic Telephone Service Manual (repair manual). Page 43

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1. RTL (Retention Time Limited)

The marking (RTL) indicates that the Retention Time
is limited for this item.
After the discontinuation of this assembly in produc-
tion, the item will continue to be available for a specific
period of time. The retention period of availability is
dependant on the type of assembly, and in accor-
dance with the laws governing part and product reten-
tion. After the end of this period, the assembly will no
longer be available.

2. Important safety notice

Components identified by the   mark indicates special
characteristics important for safety. When replacing any
of these components, only use specified manufacture’s
parts.

3. The S mark means the part is one of some identical parts.

For that reason, it may be different from the installed part.

4. ISO code (Example: ABS-94HB) of the remarks column

shows quality of the material and a flame resisting grade
about plastics.

5. RESISTORS & CAPACITORS

Unless otherwise specified;
All resistors are in ohms (

Ω

) K=1000

Ω

, M=1000k

Ω

All capacitors are in MICRO FARADS (

µ

F)P=

µµ

F

*Type & Wattage of Resistor

(*1) When replacing RF unit, we recommend using the tool
which is for BGA type.