Kenwood TK-280 Service Manual
Also see for TK-280: User manualInstruction manualInstruction manualPricing and specification manualService manual
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TK-28048ADJUSTMENTItem Condition Measurement Adjustment Specifications/Test equipment Unit Terminal Unit Parts Method RemarkTransmitter Section [Panel Tuning Mode except when Panel TEST Mode is specified.]11.DQT 1) Adj item [n DQT] Power meter Panel ANT Panel Encoder 0.35kHz ±50kHzDevition Adjust [∗∗∗] Dev meter universal knobAdjust LPF:3kHz Oscilloscope connectorHPF:OFF AG[Narrow] 2) Adj item AF VTVM[nL DQT] Þ [nC DQT] Þ [nH DQT]Adjust [∗∗∗]PTT:ON[Semi wide] 3) Adj item [s DQT] 0.60kHz ±50kHzAdjust [∗∗∗]PTT:ON[Wide] 4) Adj item [DQT] 0.75kHz ±50kHzAdjust [∗∗∗]PTT:ON12.DTMF 1) Adj item [n DTMF] 1.4kHz ±0.1kHzDeviation Adjust [∗∗∗]Adjust LPF:15kHz[Narrow] HPF:OFFPTT:ON[Semi wide] 2) Adj item [s DTMF] 2.4kHz ±0.1kHzAdjust [∗∗∗]PTT:ON[Wide] 3) Adj item [w DTMF] 3.0kHz ±0.1kHzAdjust [∗∗∗]PTT:ON13.MSK 1) Adj item [n FFSK] 1.4kHz ±0.1kHzDeviation Adjust [∗∗∗]Adjust LPF:15kHz[Narrow] HPF:OFFPTT:ON[Semi wide] 2) Adj item [s FFSK] 2.4kHz ±0.1kHzAdjust [∗∗∗]PTT:ON[Wide] 3) Adj item [FFSK] 3.0kHz ±0.1kHzAdjust [∗∗∗]PTT:ON14.TONE 1) Adj item [n TONE] 1.4kHz ±0.1kHzDeviation Adjust [∗∗∗]Adjust LPF:15kHz[Narrow] HPF:OFFPTT:ON[Semi wide] 2) Adj item [s TONE] 2.4kHz ±0.1kHzAdjust [∗∗∗]PTT:ON[Wide] 3) Adj item [w TONE] 3.0kHz ±0.1kHzAdjust [∗∗∗]PTT:ON |
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