Panasonic CQ-C7703N Service Manual page 64

3. Location keys in the remarks column indicates the general location of
the parts shown in the exploded drawing, as in a road map.
4. The marking (RTL) indicates that Retention Time is limited for this item.
After the discontinuation of assembly in production, the item will
continue to be available for a specific period of time. The retention
period of availability is dependent on the type of assembly, and in
accordance with the laws governing part and product retention. After
the end of this period, the assembly will no longer be available.
- Order intake period is basically six months after the first shipment.
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