Kenwood TK-2302 Service Manual

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Contents

TK-2302/2302( V ) /230640LEVEL DIAGRAMReceiver SectionTransmitter Section)zHk1(FARF (Center Frequency)RF (Center Frequency)–121.0dBm–120.5dBm –118.0dBm –104.0dBm –106.5dBm–100.5dBm210mV 130mVIF1 (38.85MHz) IF2 (450kHz) AF (1kHz)SP500mWC150 C257 Q204 C238 Q203 Q202XF201 C217 C215 IC201FM IFSYSTEM C390AQUA-LIC308 C391 IC30915mVrms120mVrms 1.6dBm 8.2dBm 37.1dBm–4.0dBm5.0WMIC AQUA-LIC308 C45VCOPLLC51C81 IC2 Q9 C87RXLOD10C102 Q101 C108 Q102 Q105 C150To make measurements in the AF section, connect the AC level meter.(ANT input: –53dBm, 1kHz FM, 3kHz DEV (WIDE).)In the RF section,use 1000pF coupling capacitor.(The display shows the SSG input value required to obtain12dB SINAD without Local Level.)AG is set to the MIC Input becomes 3kHz DEV. at 1kHz MOD. (WIDE).To make measurements in the AF section, connect the AC level meter.In the RF section, use 1000pF coupling capacitor.