Kenwood NX-800H Service Manual

Also see for NEXEDGE NX-800H: Function reference Instruction manual Instruction manual Specifications Service manual

Contents

NX-800H32ADJUSTMENTItemCondition Measurement Adjustment Specifi cations /RemarksPanel tuning mode PC test mode Test-equipment Unit Terminal Unit Parts Method5. Balanceadjust *21) Adj item: [BAL]Adjust: [✳✳✳]Deviation meterLPF: 3kHzHPF: OFF2) Adj item: [L BAL]→[L’ BAL]→[C BAL]→[H’ BAL]→[H BAL]Adjust: [✳✳✳]PTT: ONPress [ ] key to storethe adjustment value.Sub LCD:Tone frequency[ ] key: Press whiletransmitting to change20Hz and 2kHz.1) Adj item: [Balance]Deviation meterLPF : 3kHzHPF : OFF2) Adj item: [Low],[Low’], [Center],[High’], [High]PTT: Press[Transmit] button.Press [Apply All]button to store theadjustment value.[2kHz Sine WaveCheck box]: Checkwhile transmittingchange to 2kHz.DeviationmeterOscillo-scopeANT [Paneltuningmode][ ],[ ][PC testmode][ ],[ ]The Deviation of20Hz frequency isfi xed. Change the2kHz adjustmentvalue to become–0.2dB to the devia-tion of 20Hz withinthe specified range.2kHz Tone deviationis within –0.2dB±0.1dB of 20Hztone deviation.[PC test mode]Press [Apply All]button to store theadjustment valueafter all adjustmentpoint was adjusted.*2: Refer to the “Necessary Deviation adjustment item for each signaling and mode” table on page 35.Balance adjustment is common with the adjustment of all signaling deviation.6. MaximumDeviation(NXDN)adjust *3[Narrow]1) Adj item: [Nn NDEV]Adjust: [✳✳✳✳]Deviation meterLPF: 3kHzHPF: OFF2) Adj item:[NnL NDEV]→[NnL’ NDEV]→[NnC NDEV]→[NnH’ NDEV]→[NnH NDEV]Adjust: [✳✳✳✳]PTT: ONPress [ ] key to storethe adjustment value.1) Adj item: [MaximumDeviation (NXDNNarrow)]Deviation meterLPF: 3kHzHPF: OFF2) Adj item: [Low],[Low’], [Center],[High’], [High]PTT: Press[Transmit] button.Press [Apply All]button to store theadjustment value.DeviationmeterOscilloscopeANT [Paneltuningmode][ ],[ ][PC testmode][ ],[ ]3056Hz ±50Hz[PC test mode]Press [Apply All]button to store theadjustment valueafter all adjustmentpoint was adjusted.[VeryNarrow]1) Adj item: [Nv NDEV]Adjust: [✳✳✳✳]2) Adj item:[NvL NDEV]→[NvL’ NDEV]→[NvC NDEV]→[NvH’ NDEV]→[NvH NDEV]Adjust: [✳✳✳✳]PTT: ONPress [ ] key to storethe adjustment value.1) Adj item: [MaximumDeviation (NXDNVery Narrow)]2) Adj item: [Low],[Low’], [Center],[High’], [High]PTT: Press[Transmit] button.Press [Apply All]button to store theadjustment value.1337Hz ±50Hz[PC test mode]Press [Apply All]button to store theadjustment valueafter all adjustmentpoint was adjusted.7. MaximumDeviation(Analog)adjust *3[Narrow]1) Adj item: [An ADEV]Adjust: [✳✳✳✳]Deviation meterLPF: 15kHzHPF: OFF2) Adj item:[AnL ADEV]→[AnL’ ADEV]→[AnC ADEV]→[AnH’ ADEV]→[AnH ADEV]Adjust: [✳✳✳✳]PTT: ONPress [ ] key to storethe adjustment value.1) Adj item: [MaximumDeviation (AnalogNarrow)]Deviation meterLPF: 15kHzHPF: OFF2) Adj item: [Low],[Low’], [Center],[High’], [High]PTT: Press[Transmit] button.Press [Apply All]button to store theadjustment value.Write the sameadjustment value of“NXDN Deviation[Narrow]” for eachadjustment point.Transmit at eachadjustment point andcheck that the Analogdeviation is between2050Hz and 2150Hz.Deviation meterLPF: 15kHzHPF: OFF[Panel tuning mode]PTT: ON[PC test mode]PTT: Press[Transmit] button2050~2150Hz[PC test mode]Press [Apply All]button to store theadjustment valueafter all adjustmentpoint was adjusted.