Kenwood TK-5210 Service Manual

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TK-521047Common SectionMeasurement AdjustmentItem Condition Test- Unit Terminal Unit Parts Method Specifications/Remarksequipment1. Setting 1) BATT terminal voltage:7.5V2) SSG standard modulation[Wide] MOD:1kHz,DEV:3kHz[Narrow] MOD:1kHz,DEV:1.5kHz2. Assist [Panel tuning mode] Power meter Panel ANT Panel [C],[D] Change the 1.88V±0.1Vvoltage 1) Adj item:[RX V Assist] DVM TX-RX CV adjustment valueAdjust:[***] (A/5) within the limit When adjustihg the assist•RX 2) Adj item:[L RX V Assist]t of the specified voltage in PC tuning mode,[LC RX V Assist]t[C RX V Assist]t voltage. slide the bar to indicate[CH RX V Assist]t[H RX V Assist] "VCO Lock Voltage" withinAdjust:[***] 2.0V±0.1V on Meter window.Press [B] to store the adjustmentvalue after adjustment.•TX 3) Adj item:[TX V Assist]Adjust:[***]4) Adj item:[L TX V Assist]t[LC TX V Assist]t[C TX V Assist]t[CH TX V Assist]t[H TX V Assist]Adjust:[***]PTT:ONPress [B] to store the adjustmentvalue after adjustment.3. RX Front-end 1) Adj item:[RX Front-end] Spectrum Panel ANT TX-RX L201 After setting theadjust Adjust:[***] analyzer TX-RX RX BPF (A/5) adjustment value2) Adj item:[L RX Front-end] Tracking (A/5) BPF GND to 245, adjust coilSpectrum analyzer setting generator to get the waveformCenter-f :136.1MHz as shown to theSpan :100MHz right.RBW :300kHzVBW :100kHzSWP :50msTG level :-30dBmXdB/div :10dBPress [B] to store the adjustmentvalue after adjustment.3) Adj item:[H RX Front-end] L202 After setting theSpectrum analyzer setting L204 adjustment valueCenter-f:173.9MHz L205 to 90, adjust eachPress [B] to store the adjustment coil to get thevalue after adjustment. highest peak points.Furthermore, changethe adjustmentvalues to get thewaveform as shownto the right.4) Adj item:[LC RX Front-end] Panel [C],[D] Change theSpectrum analyzer setting adjustment valuesCenter-f:145.6MHz to get the waveformPress [B] to store the adjustment as shown to thevalue after adjustment. right.ADJUSTMENTREF 0.0 dBmCENTER 136.1 MHzRBW300 kHzVBW100 kHzSWP50 ms SPAN 100.0 MHz10dB/ A_Write Norm B_BlankATT 10dBCENTER136.1 MHzREF 0.0 dBmCENTER 173.9 MHzRBW300 kHzVBW100 kHzSWP50 ms SPAN 100.0 MHz10dB/ A_Write Norm B_BlankATT 10dBCENTER173.9 MHzREF 0.0 dBmCENTER 145.6 MHzRBW300 kHzVBW100 kHzSWP50 ms SPAN 100.0 MHz10dB/ A_Write Norm B_BlankATT 10dBCENTER145.6 MHz