Kenwood TK-3310 Service Manual

Contents

TK-331046LEVEL DIAGRAMFM IFSYSTEMBASEBANDICCMLSSG–53dBm50ΩANT–71.7dBm –73.3dBm –72.5dBm –59.7dBm –65.2dBm –45.8dBm –59.0dBm –34.5dBm 164mVrms 126mVrms 2.56Vrms 2.56Vrms 2.56VrmsC489 C478 C495 C456 C439 C433 C429 C893 C914 C926SP500mWQ819Q818IC815IC812IC401Q405XF401MIXERQ406Q407RF (CENTER FREQUENCY) IF1 (38.85MHz)IF2450kHz AF (1kHz)IC812BASEBANDICCMLAFAMPC67–23.7dBmTXVCOC73–2.3dBmC77–1.9dBmC2091.1dBmC22212.0dBmC24329.5dBmANT50ΩMIC15.4mVrms 200mVrms –0.8dBm 37.5dBmC2649.1dBmC217Q8 Q9RXLoD17D18Q201 Q203 Q204 Q205AF (1kHz) RF (CENTER FREQUENCY)R897+To make measurements in the AF section, connect the AC level meter.(ANT input: –53dBm,1kHz FM, 1.5kHz Dev (Narrow)).In the RF section, use a high impedance probe. (ANT input: –53dBm, MOD off).AG is set to the MIC input becomes 1.5kHz Dev, at 1kHz MOD. (Narrow)To make measurements in the AF section,connect the AC level meter.In the RF section, use a 1000pF coupling capacitor.Receiver SectionTransmitter Section