Kenwood TK-868HG Service Manual

ADJUSTMENTMeasurementTest-equipment Unit TerminalAdjustmentUnit Parts Method Specifications/RemarksConditionItem23TK-868HG2) “S.Q.L.3” SSG Rear ANT Front CH / Adjust to theAdjust [***] panel panel squelch thresholdSSG freq’ AF VTVM ACC point.: 470.050MHz C Distortion (EXT.SP): 415.050MHz C3 meter3) “S.Q.L.3._.” OscilloscopeAdjust [***] AGSSG freq’: 489.950MHz C: 429.950MHz C3• Narrow 4) “SQL3***.”Adjust [***]SSG freq’: 470.050MHz C: 415.050MHz C34. Squelch 9 1) Set test mode• Wide Select “SQL9” in tuning mode.“S.QL9”Adjust [***]SSG freq’: 450.050MHz C: 400.050MHz C3SSG output : –115dBm/0.4μVSSG MOD : 3kHz (Wide)1.5kHz (Narrow)2) “S.Q.L.9”Adjust [***]SSG freq’: 470.050MHz C: 415.050MHz C33) “S.Q.L.9._.”Adjust [***]SSG freq’: 489.950MHz C: 429.950MHz C3• Narrow 4) “SQL9***.”Adjust [***]SSG freq’: 470.050MHz C: 415.050MHz C35. Squelch 1) Set test mode Check Squelch must be opened.check CH : CH1 - Sig1~CH3 - Sig1 (Wide/Narrow)SSG output : –116dBm/0.35μV2) SSG output : OFF Squelch must be closed.(Wide/Narrow)6. QT check 1) Set test modeCH : CH1 - Sig4SSG MODINT : 3kHz (Wide)1.5kHz (Narrow)EXT : 151.4HzSSG system MOD DEV: ± 3.75kHz (Wide)± 1.85kHz (Narrow)SSG output : 10dB SINAD level2) CH : CH1 - Sig3 Check Squelch must be opened.CH1 - Sig5CH1 - Sig624