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The TS-440S also was known for the PLL not locking after time resulting in showing dots on the display. I repaired one that I had by reseating the chip. make sure if you do this that you ground yorself so any static on your body is cleared.

Radio Shack sells wrist straps for grounding and there inexpensive. All it takes is a simple shock or transfer of static in some of these chips and poof you have junk.

[QUOTE="TonyV225, post: 272489, member: 171"] The TS-440S also was known for the PLL not locking after time resulting in showing dots on the display. I repaired one that I had by reseating the chip. make sure if you do this that you ground yorself so any static on your body is cleared. Radio Shack sells wrist straps for grounding and there inexpensive. All it takes is a simple shock or transfer of static in some of these chips and poof you have junk. [/QUOTE]

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