Kenwood TH-D72A Service Manual

Also see for TH-D72A: Instruction manual User manual Instruction manual Instruction manual Instruction manual

Contents

TH-D72A/D72E54ADJUSTMENTItem ConditionMeasurement AdjustmentSpecifications / RemarksTest-equipment Unit Terminal Unit Parts Method3. SquelchCheck• B-Band5) Frequency: 146.050MHz K145.050MHz EMode: FMSSG: (–119dBm) 0.25μVSSGOscillo-scopeANT Check Open squelch6) SSG: OFF Close squelch7) Frequency: 444.05MHz K435.05MHz EMode: FMSSG: (–119dBm) 0.25μVOpen squelch8) SSG: OFF Close squelch4. S-meterWrite• A-BandSwitch to Service Setup modeand carry out the operations foritem N.1) Frequency: 145.95MHzS1SSG: (–120dBm) 0.22μVFULLSSG: (–105dBm) 1.3μVSSG ANT [X] Write Adjust CTCSS/DCS DECODE2) Frequency: 439.95MHzS1SSG: (–120dBm) 0.22μVFULLSSG: (–105dBm) 1.3μV• B-Band 3) Frequency: 145.95MHzS1SSG: (–120dBm) 0.22μVFULLSSG: (–105dBm) 1.3μV4) Frequency: 439.95MHzS1SSG: (–120dBm) 0.22μVFULLSSG: (–105dBm) 1.3μV5. S-meterCheck• A-Band1) Frequency: 146.050MHz K145.050MHz EMode: FMSSG: (–120dBm) 0.22μV±3dBSSG ANT LCD Check One segment in S-meterlights.2) SSG: (–105dBm) 1.3μV±3dB All segments in S-meterlights.3) Frequency: 444.05MHz K435.05MHz EMode: FMSSG: (–120dBm) 0.22μV±3dBOne segment in S-meterlights.4) SSG: (–105dBm) 1.3μV±3dB All segments in S-meterlights.• B-Band 5) Frequency: 146.050MHz K145.050MHz EMode: FMSSG: (–120dBm) 0.22μV±3dBOne segment in S-meterlights.6) SSG: (–105dBm) 1.3μV±3dB All segments in S-meterlights.7) Frequency: 444.05MHz K435.05MHz EMode: FMSSG: (–120dBm) 0.22μV±3dBOne segment in S-meterlights.8) SSG: (–105dBm) 1.3μV±3dB All segments in S-meterlights.