Kenwood TK-3160 Service Manual Supplement

Also see for TK-3160: Service manual Specifications Instruction manual Instruction manual Specifications

Contents

14TK-3160 ADJUSTMENT Frequency and signallingThe set has been adjusted for the frequencies shown inthe following table. When required. re-adjust them followingthe adjustment procedure to obtain the frequencies you wantin actual operation.Frequency (MHz) K, M typeChannel No. RX Frequency TX Frequency1 470.050 470.1002 450.050 450.1003 489.950 489.9004 470.000 470.0005 470.200 470.2006 470.400 470.4007~16Frequency (MHz) K2, M2 typeChannel No. RX Frequency TX Frequency1 491.050 491.1002 470.050 470.1003 511.950 511.9004 491.000 491.0005 491.200 491.2006 491.400 491.4007~16Frequency (MHz) K3, M3 typeChannel No. RX Frequency TX Frequency1 415.050 415.1002 400.050 400.1003 429.950 429.9004 415.000 415.0005 415.200 415.2006 415.400 415.4007~16Adjustment points TX-RX unit (X57-673)Component side viewFoil Side ViewVR1 : Frequency adjustmentRSSI : Band-pass wave form test pointTC1 : Transmit lock voltage adjustmentTC2 : Receive lock voltage adjustmentCV : Lock voltage adjustment terminal.Fig. 1 Adjustment pointsVR1DETBATT+ANTSP–SP+TXDPTTI(RXD)PTTOGNDAUXPTTS-1S-2RSSISP MUTECV RESETX57-673 A/2Component sideTC1 TC2A4A3A4A1MIC ORA OA6A4GNDSBRA IMIC IALT5CDEOTXAFIPTTLSDFOCVALT2BPFANTX57-673 A/2Foil side Preparations for tuning the transceiverBefore attempting to tune the transceiver, connect the unitto a suitable power supply.Whenever the transmitter is tuned, the unit must beconnected to a suitable dummy load (i.e. power meter).The speaker output connector must be terminated with a8Ω dummy load and connected to an AC voltmeter and anaudio distortion meter or a SINAD measurement meter at alltimes during tuning.SignallingSignalling No. RX TX1 None None2 None 100Hz Square Wave3 QT 67.0Hz QT 67.0Hz4 QT 151.4Hz QT 151.4Hz5 QT 210.7Hz QT 210.7Hz6 QT 254.1Hz QT 254.1Hz7 DQT D023N DQT D023N8 DQT D754I DQT D754I9 DTMF 159D DTMF 159D10 None DTMF tone 92 Tone: 2 Tone:11 A:321.7Hz A:321.7HzB:928.1Hz B:928.1Hz12 None Single Tone:1000Hz13 None MSK14 MSK Code MSK CodeAdjustment Frequency (K, M type)K,MTEST CH RX TXCenter 470.050MHz 470.100MHzLow 450.050MHz 450.100MHzHigh 489.950MHz 489.900MHzLow’ 460.050MHz 460.100MHzHigh’ 480.050MHz 480.100MHz470.000MHz 470.000MHz470.200MHz 470.200MHz470.400MHz 470.400MHzAdjustment Frequency (K2, M2 type)K2,M2TEST CH RX TXCenter 491.050MHz 491.100MHzLow 470.050MHz 470.100MHzHigh 511.950MHz 511.900MHzLow’ 480.550MHz 480.600MHzHigh’ 501.550MHz 501.600MHz491.000MHz 491.000MHz491.200MHz 491.200MHz491.400MHz 491.400MHzAdjustment Frequency (K3, M3 type)K3,M3TEST CH RX TXCenter 415.050MHz 415.100MHzLow 400.050MHz 400.100MHzHigh 429.950MHz 429.900MHzLow’ 407.550MHz 407.600MHzHigh’ 422.550MHz 422.600MHz415.000MHz 415.000MHz415.200MHz 415.200MHz415.400MHz 415.400MHz