Kenwood TK-2107G Service Manual

TK-2107G30ADJUSTMENTUse the KPG-55D programming software for adjustment of the next item in PC Mode (see page 5).Squelch Level, Transmit frequency, DQT Balance, RF Power, QT Deviation, DQT Deviation, Battery LevelSection Common to the Transmitter and Receiver (VCO)Item ConditionMeasurement AdjustmentSpecifications / RemarksTest-equipment Unit Terminal Unit Parts Method1. Setting 1) Power supply voltageBattery teriminal: 7.5V2) SSG standard modulation[Wide]MOD: 1kHz, DEV: 3kHz[Narrow]MOD: 1kHz, DEV: 1.5kHz2. VCO lockvoltage1) CH: TX high DigitalvoltmeterTX-RX CV TX-RX TC1 3.8V ±0.1V2) CH: RX high TC2 3.8V ±0.1V3) CH: TX low Check More than 0.7V4) CH: RX lowReceiver SectionItem ConditionMeasurement AdjustmentSpecifications / RemarksTest-equipment Unit Terminal Unit Parts Method1. Band-passfi lter1) CH: RX center2) Tracking generator output: –40dBmConnect the spectrum ana-lyzer to TP2 terminal.TrackinggeneratorSpectrumanalyzerTX-RX ANTTP2TX-RX TC201 Adjust the frequencyso that it becomesthe spectrum wave-form shown in Fig. 1.2. AF level 1) CH: RX centerSSG output: –53dBm (501μV)MOD: 1kHzDEV: ±3.0kHz (Wide): ±1.5kHz (Narrow)SSGOscilloscopeAF V.MDistortionmeterANTSPL212 Adjust to the MAXAF level3. Sensitivity(Wide)1) CH: RX centerCH: RX LoCH: RX HiSSG ouput: –116dBm (0.35μV)MOD: 1kHzDEV: ±3.0kHzCheck SINAD: 12dB or higher(Narrow) 2) CH: RX centerSSG output: –114dBm (0.45μV)DEV: ±1.5kHz4. Squelchlevel(PC mode)1) CH: RX centerMONI: ONPCkeyLevel 9Adjust to close thesquelch.The squelch must be closed.2) Level 9SSG output: –116dBm (0.35μV)3) Level 3SSG output: –123dBm(0.16μV)Level 3Adjust to close thesquelch.The squelch must be closed.