Kenwood TK-380 Service Manual

Also see for TK-380: User manual Instruction manual Instruction manual Pricing and specification manual Service manual

Contents

TK-38046ADJUSTMENTReceiver 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] Tracking Panel ANT Panel Encoder AdjustmentAdjust Adjust [∗∗∗] generator knob Low-edge·f(BPF Turn a knobcharacteristic) 2) Low-edge frequency Specturm TX-RX TP (CN13) and makeAdj item [L SENS] analyzer Need couple peak point.Spe-Ana setting capacitorCenter·f : 450MHz(K,K4,M) (1000PF) AdjustmentSpan : 200MHz Center·fRBW : 1MHz Turn a knobVBW : 300kHz and makeREF level : -15dBm center levelATT : 10dB 5dB aboveTra-G setting from Low-edgeInput level :-30dBm level.3) Center frequency AdjustmentAdj item [C SENS] High-edge·f4) High-edge frequency Turn a knobAdj item [H SENS] and makeHigh-edgelevel 9dB abovefrom Low-edgelevel.1) Adj item [SENS] AdjustmentAdjust [∗∗∗] Low-edge·fTurn a knob2) Low-edge frequency and makeAdj item [L SENS] peak point.Spe-Ana settingCenter·f : 490MHz(K2,,5) AdjustmentSpan : 200MHz Center·fRBW : 1MHz Turn a knobVBW : 300kHz and makeREF level : -15dBm center levelATT : 10dB 4dB aboveTra-G setting from Low-edgeInput level:-30dBm level.3) Center frequency AdjustmentAdj item [C SENS] High-edge·f4) High-edge frequency Turn a knobAdj item [H SENS] and makeHigh-edgelevel 8dB abovefrom Low-edgelevel.5 dB9 dBL C Hf →450 470 490 MHz(K,K4,M)(K2,K5)Band Pass Filter Characteristic (K2,K5)CENTER 450 MHzSPAN 200 MHzSWP 50 msREF –15.0 dBm10 dB /CAL. ONATT 10 dB MKR ∆ 20.0 MHzMARKER20.0 MHz5.1 dBRBW1 MHzNEG PKVBW300 kHz[H SENS][C SENS][L SENS]450 470 490Band Pass Filter Characteristic (K,K4,M)CENTER 490 MHzSPAN 200 MHzSWP 50 msREF –15.0 dBm10 dB /CAL. ONATT 10 dB MKR ∆ 20.0 MHzMARKER20.0 MHz5.1 dBRBW1 MHzNEG PKVBW300 kHz[C SENS][H SENS][L SENS]510470 4904dB8dBL C Hf →470 490 512 MHz