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KT-770 ( TRIO-Kenwood )

[Outline] [Comparison characteristics before and after adjustments.]

Fig1. Front view.

• PLL detector.
• THD=0.02% @1kHz Stereo)
• AM IF bandwidth control

Trouble	Cause	Repair and adjustment
All of the function switchs didn't work.	The contacts of the switchs were oxidized.	Decomposed and polished contacts.
---	---	Comparison characteristics before and after adjustments.