Kenwood TK-7180 Service Manual Addendum

Also see for TK-7180: Modification Information Function reference Brochure & specs Specification Service manual

Contents

TK-7180/7189/8180/818918Item ConditionMeasurement AdjustmentSpecifications/RemarksTest-equipment Unit Terminal PartsUnit MethodADJUSTMENT6. High power 1) Adj item : [HPWR] Power meter Rear ANT Front [ ],[ ] 30W TK-7180 K ± 1W TK-7180 Kadjust Adjust : [✳✳✳] Ammeter panel panel 23.5W ± 0.5W TK-7180/7189 E2) Adj item : [L HPWR] → TK-7180/7189 E 9A or less[L’ HPWR] → [C HPWR] →[H’ HPWR] → [H HPWR]Adjust : [✳✳✳]PTT : ON7. High power [Panel test mode] Check 25~35W TK-7180 Kcheck 1) CH-Sig : 1-1 21~26W TK-7180/7189 EPTT : ON 9A or less2) CH-Sig : 2-1PTT : ON3) CH-Sig : 3-1PTT : ON8. Low power 1) Adj item : [LPWR] Front [ ],[ ] 5.0W ± 0.5Wadjust Adjust : [✳✳✳] panel 5A or less2) Adj item : [L LPWR] →[L’ LPWR] → [C LPWR] →[H’ LPWR] → [H LPWR]Adjust : [✳✳✳]PTT : ON9. Low power [Panel test mode] Check 3.5~6.5Wcheck 1) CH-Sig : 1-1 5A or lessSet low power (Push [S])PTT : ON2) CH-Sig : 2-1PTT : ON3) CH-Sig : 3-1PTT : ON10. DQT 1) Adj item : [n BAL] Power meter Rear ANT Front [ ],[ ] Make the demodu-balance Adjust : [✳✳✳] panel panel lation waves intoadjust Deviation meter filter square waves.LPF : 3kHz Deviation Front ModularHPF : OFF meter panel MIC jack• Narrow 2) Adj item : [nL BAL] → Oscilloscope[nC BAL] → [nH BAL] AGAdjust : [✳✳✳] AF VTVMPTT : ON• Wide 3) Adj item : [w BAL]Adjust : [✳✳✳]PTT : ON11. Max DEV 1) Adj item : [n DEV] 2.10kHz ± 0.10kHzadjust Adjust : [✳✳✳] (According to theAG : 1kHz/50mV at MIC terminal larger +, –)Deviation meter filterLPF : 15kHzHPF : OFF• Narrow 2) Adj item : [nL DEV] →[nC DEV] → [nH DEV]Adjust : [✳✳✳]PTT : ON• Wide 3) Adj item : [w DEV] 4.20kHz ± 0.10kHzAdjust : [✳✳✳] (According to thePTT : ON larger +, –)