Kenwood TK-280 Service Manual

Also see for TK-280: User manual Instruction manual Instruction manual Pricing and specification manual Service manual

Contents

TK-28051ADJUSTMENTAdjustment pointsTX-RX unit (X57-6192-70)component side viewReceiver Section [Panel Tuning Mode except when Panel TEST Mode is specified.]Item Condition Measurement Adjustment Specifications/Test equipment Unit Terminal Unit Parts Method Remark6. Squelch 1) Adj item [n SQLT] SSG Panel ANT Panel Encoder Adjust to point(Tight) Adjust [∗∗∗] knob of openingAdjust SSG OUT: squelch.12dB SINAD LEVEL +4dB[Narrow] 2) Adj item AF VTVM UniversalOscilloscope Connector[nL SQLT] Þ [nC SQLT] Þ [nH SQLT]Adjust [∗∗∗][Semi wide] 3) Adj item[sL SQLT] Þ [sC SQLT] Þ [sH SQLT]Adjust [∗∗∗][Wide] 4) Adj item[wL SQLT] Þ [wC SQLT] Þ [wH SQLT]Adjust [∗∗∗]7. RSSI 1) Adj item [n HRSI] After input(High) Adjust [∗∗∗] signal fromAdjust SSG OUT: SSG,press-70dBm (70.7μV) [D] key.[Narrow] 2) Adj item That[nL HRSI] Þ [nC HRSI] Þ [nH HRSI] numeric willAdjust [∗∗∗] be stored[Semi wide] 3) Adj item in memory.[sL HRSI] Þ [sC HRSI] Þ [sH HRSI]Adjust [∗∗∗][Wide] 4) Adj item[wL HRSI] Þ [wC HRSI] Þ [wH HRSI]Adjust [∗∗∗]8. Squelch [Panel Test Mode] Check Squelch must(Tight) 1) CH-Sig:1-1 be opened.Check SSG OUT:12dB SINAD LEVEL +4dB