Kenwood TK-280 Service Manual
Also see for TK-280: User manualInstruction manualInstruction manualPricing and specification manualService manual
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Contents |
TK-28043ADJUSTMENTReceiver Section [Panel Tuning Mode except when Panel TEST Mode is specified.]Item Condition Measurement Adjustment Specifications/Test equipment Unit Terminal Unit Parts Method Remark1. Sensitivity 1) Adj item [SENS] SSG Panel ANT Panel Encoder Adjust for 14dB SINAD orAdjust Adjust [∗∗∗] knob maximam more.SINAD.2) Adj item AF VTVM UniversalOscilloscope Connector[L SENS] ➞ [C SENS] ➞ [H SENS]Adjust [∗∗∗]SSG OUT:-118dBmMOD:1kHz / ±3kHz2. Sensitivity [Panel Test Mode]Check 1) CH-Sig:1-1 Check 12dB SINAD orSSG OUT moreWide:-118dBm(MOD:1kHz / ±3kHz)Narrow:-117dBm(MOD:1kHz / ±1.5kHz)3. Squelch 1) Adj item [SQL] Encoder Adjust to pointAdjust Adjust [∗∗∗] knob of openingSSG OUT: squelch.12dB SINAD level2) Adj item [n SQL]Adjust [∗∗∗]12dB SINAD level4. Squelch [Panel Test Mode] Check Squelch mustCheck 1) CH-Sig:1-1 be opened.SSG OUT:12dB SINAD level2) SSG OUT:OFF Squelch mustbe closed.Adjustment pointsTX-RX unit (X57-5740)component side view |
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