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F-120 ( Pioneer )

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

Fig1. Front view.

• Pulse count detector.
• THD=0.015% (@1kHz Stereo)

Trouble	Cause	Repair and adjustment
All of the station call switchs didn't work.	The elastomer attached on the switches were melted.	Replace elastomer.
--	---	Comparison characteristics before and after adjustments.