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Old 22nd Aug 2019, 7:28 am   #2
Silicon
Nonode
 
Join Date: Jun 2007
Location: Coulsdon, London, UK.
Posts: 2,172
Default Re: understanding Ekco U332 schematic

C1 protects the radio from electrostatic charges that can build up on an aerial.

R1 discharges them to chassis/earth.

R9 and C17 are AGC components.
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