Kenwood TK-7180H Service Manual

Also see for TK-7180(H): Brochure & specs Specification Instruction manual Brochure & specs Instruction manual

Contents

TK-7180H/7182H48Item ConditionMeasurement AdjustmentSpecifications/RemarksTest-equipment Unit Terminal PartsUnit Method1. Setting 1) Power supply voltageDC power supply terminal : 13.6V2) SSG standard modulation[Wide 5k] MOD : 1kHz, DEV : 3kHz[Wide 4k] MOD : 1kHz, DEV : 2.4kHz[Narrow] MOD : 1kHz, DEV : 1.5kHz2. VCO lock [Panel test mode] Power meter Rear ANT TX-RX TC301 8.1V ± 0.1Vvoltage 1) CH-Sig : 3-1 panel (B/3)• RX2) CH-Sig : 2-1 DVM TX-RX CV Check 2.0V± 0.5V(B/3)• TX [Panel tuning mode] LPWR* TX-RX TC302 8.1V ± 0.1V3) CH-Sig : 3-1 (B/3)PTT : ON4) CH-Sig : 2-1 Check 2.0V± 0.5VPTT : ON* TX can be continued on unlock condition in panel tuning mode.1. Frequency 1) Adj item : [FREQ] f. counter Rear ANT Front [ ],[ ] Center frequency Note : After replacing theadjust Adjust : [✳✳✳] panel panel ± 50Hz VCXO (X301) align frequency.PTT : ON2. Frequency 1) Adj item : [SHFT1] [L SHFT1] ± 50Hzshift 1 Adjust : [✳✳✳] Low frequency+1.25kHzadjust 2) Adj item : [L SHFT1] → [C SHFT1][C SHFT1] → [H SHFT1] Center frequency+1.25kHzAdjust : [✳✳✳] [H SHFT1]PTT : ON High frequency+1.25kHz3. Frequency 1) Adj item : [SHFT2] [L SHFT2] ± 50Hzshift 2 Adjust : [✳✳✳] Low frequency+2.5kHzadjust 2) Adj item : [L SHFT2] → [C SHFT2][C SHFT2] → [H SHFT2] Center frequency+2.5kHzAdjust : [✳✳✳] [H SHFT2]PTT : ON High frequency+2.5kHz4. Max high 1) Adj item : [MHPWR] Power meter 53W ± 3Wpower Adjust : [✳✳✳]adjust 2) Adj item : [L MHPWR] → CAUTION![L’ MHPWR] → [C MHPWR] → Do not attempt to adjust[H’ MHPWR] → [H MHPWR] the transceiver’s transmitAdjust : [✳✳✳] output power beyond itsPTT : ON specifications.If the transceiver is adjustedbeyond the specifications, itmay cause deterioration ofthe parts reliability and theoutput power may be loweredsuddenly and unstable.The transceiver may be alsoextremely hot.Common SectionItem ConditionMeasurement AdjustmentSpecifications/RemarksTest-equipment Unit Terminal PartsUnit MethodTransmitter Section (K market model skips adjustment of Wide 4k)ADJUSTMENT (TK-7180H)