Kenwood TK-3148 Service Manual

Also see for TK-3148: Service manual

Contents

TK-314865FM IFSYSTEMC154 C261 IC206Q207–120dBm–120.1dBm–118dBm–104.0dBm –107dBm –113.0dBm –119.0dBm –105.0dBm 220mVrms260mVrmsXF200 C229 Q205 C225 IC200 IC3005 4 3 41IC500 IC307DAC500mW(BTL)SPIC313215mVrms 300mVrms 27mVrmsIC307DAC1213ALC COMPSWIDC 69 8191815 16C51715mVrms 15mVrms42mVrms340mVrms 320mVrms 310mVrms 460mVrms 170mVrmsMIC IC500 IC305Q101+20dBmC294C295RF (Center frequency) IF1 (44.85MHz) IF2 (455kHz) AF (1kHz)IC305C501C520 C353VCOC47PLLQ5 C51C68AF (1kHz)RF (Center frequency)RXLOD100D102+2dBmC103RF (Center frequency)AF (1kHz)IC307DACRXTXQ100+7dBmC103CN500 CN300CN306 CN300 CN500 CN500 CN300+37dBmC1464.0WQ103 Q10414To make measurements in the AF section, con-nect the AC level meter. (ANT input : -53dBm,1kHz FM, 3kHz DEV(WIDE).)In the RF section, use a 1000pF coupling capaci-tor. (The display shows the SSG input value re-quired to obtain 12dB SINAD.)AG is set to the MIC input becomes 3kHz DEV.at 1kHz MOD. (WIDE)To make measurements in the AF section, con-nect the AC level meter.In the RF section, use a 1000pF coupling capaci-tor.LEVEL DIAGRAM / 电平图