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TK-7180 ADJUSTMENT Item Condition Testequipment Measurement Unit Terminal Unit Parts Adjustment Method 5. Max low 1) Adj item : [MLPWR] Power meter Rear ANT Front [ ],[ ] 15W ±1W power Adjust : [✳✳✳] panel panel adjust 2) Adj item : [L MLPWR] → [L’ MLPWR] → [C MLPWR]→ [H’ MLPWR] → [H MLPWR] Adjust : [✳✳✳] PTT : ON 6. High power 1) Adj item : [HPWR] Power meter 30W ±1W adjust Adjust : [✳✳✳] Ammeter 9A or less 2) Adj item : [L HPWR] → [L’ HPWR] → [C HPWR] → [H’ HPWR] → [H HPWR] Adjust : [✳✳✳] PTT : ON 7. High power [Panel test mode] Check 25~35W check 1) CH-Sig : 1-1 9A or less PTT : ON 2) CH-Sig : 2-1 PTT : ON 3) CH-Sig : 3-1 PTT : ON 8. Low power 1) Adj item : [LPWR] Front [ ],[ ] 5.0W ±0.5W adjust Adjust : [✳✳✳] panel 5A or less 2) Adj item : [L LPWR] → [L’ LPWR] → [C LPWR] → [H’ LPWR] → [H LPWR] Adjust : [✳✳✳] PTT : ON 9. Low power [Panel test mode] Check 3.5~6.5W check 1) CH-Sig : 1-1 5A or less Set low power (Push [S]) PTT : ON 2) CH-Sig : 2-1 PTT : ON 3) CH-Sig : 3-1 PTT : ON 10. DQT 1) Adj item : [n BAL] Power meter Rear ANT Front [ ],[ ] Make the demodubalance Adjust : [✳✳✳] panel panel lation waves into adjust Deviation meter filter square waves. LPF : 3kHz Deviation Front Modular HPF : OFF meter panel MIC jack • Narrow 2) Adj item : [nL BAL] → Oscilloscope [nC BAL] → [nH BAL] AG Adjust : [✳✳✳] AF VTVM PTT : ON Specifications/Remarks • Wide 4k • Wide 5k 3) Adj item : [s BAL] Adjust : [✳✳✳] PTT : ON 4) Adj item : [w BAL] Adjust : [✳✳✳] PTT : ON 40
ADJUSTMENT TK-7180 Item Condition Testequipment Measurement Unit Terminal Unit Parts Adjustment Method 11. Max DEV 1) Adj item : [n DEV] Power meter Rear ANT Front [ ],[ ] 2.10kHz ±0.10kHz adjust Adjust : [✳✳✳] panel panel (According to the AG : 1kHz/50mV at MIC terminal larger +, –) Deviation meter filter Deviation Front Modular LPF : 15kHz meter panel MIC jack HPF : OFF Oscilloscope • Narrow 2) Adj item : [nL DEV] → AG [nC DEV] → [nH DEV] AF VTVM Adjust : [✳✳✳] PTT : ON • Wide 4k 3) Adj item : [s DEV] 3.30kHz ±0.10kHz Adjust : [✳✳✳] (According to the PTT : ON larger +, –) • Wide 5k 4) Adj item : [w DEV] 4.20kHz ±0.10kHz Adjust : [✳✳✳] (According to the PTT : ON larger +, –) Specifications/Remarks 12. MIC [Panel test mode] Check 2.5~3.5kHz sensitivity 1) CH-Sig : 1-1 check AG : 1kHz/5mV at MIC terminal (Wide 5k only) PTT : ON 13. QT deviation 1) Adj item : [n QT] Front [ ],[ ] 0.35kHz ±0.05kHz adjust Adjust : [✳✳✳] panel Deviation meter filter LPF : 3kHz HPF : OFF • Narrow 2) Adj item : [nL QT] → [nC QT] → [nH QT] Adjust : [✳✳✳] PTT : ON • Wide 4k 3) Adj item : [s QT] 0.60kHz ±0.10kHz Adjust : [✳✳✳] PTT : ON • Wide 5k 4) Adj item : [w QT] 0.75kHz ±0.10kHz Adjust : [✳✳✳] PTT : ON 14. DQT 1) Adj item : [n DQT] 0.35kHz ±0.05kHz deviation Adjust : [✳✳✳] adjust Deviation meter filter LPF : 3kHz HPF : OFF • Narrow 2) Adj item : [nL DQT] → [nC DQT] → [nH DQT] Adjust : [✳✳✳] PTT : ON • Wide 4k 3) Adj item : [s DQT] 0.60kHz ±0.10kHz Adjust : [✳✳✳] PTT : ON • Wide 5k 4) Adj item : [w DQT] 0.75kHz ±0.10kHz Adjust : [✳✳✳] PTT : ON 41
Page 1 and 2: VHF FM TRANSCEIVER TK-7180 SERVICE
Page 3 and 4: GENERAL / SYSTEM SET-UP TK-7180 SER
Page 5 and 6: REALIGNMENT TK-7180 5-2. Connection
Page 7 and 8: INSTALLATION TK-7180 1. Ignition Se
Page 9 and 10: INSTALLATION TK-7180 4. Control Hea
Page 11 and 12: INSTALLATION TK-7180 6. Voice Scram
Page 13 and 14: DISASSEMBLY FOR REPAIR TK-7180 1. P
Page 15 and 16: DISASSEMBLY FOR REPAIR TK-7180 ■
Page 17 and 18: CIRCUIT DESCRIPTION TK-7180 2-5. Sq
Page 19 and 20: CIRCUIT DESCRIPTION TK-7180 6. Powe
Page 21 and 22: SEMICONDUCTOR DATA TK-7180 Micropro
Page 23 and 24: COMPONENTS DESCRIPTION TK-7180 Ref.
Page 25 and 26: Ref. No. Address New Parts No. Desc
Page 27 and 28: PARTS LIST TK-7180 Ref. No. Address
Page 33 and 34: EXPLODED VIEW TK-7180 A A : N09-240
Page 35 and 36: ADJUSTMENT TK-7180 Controls Power s
Page 37 and 38: ADJUSTMENT TK-7180 ■ Flow chart N
Page 39: Common Section Item Condition 1. Se
Page 43 and 44: Item Condition Testequipment ADJUST
Page 45 and 46: ADJUSTMENT TK-7180 Item Condition T
Page 47 and 48: TERMINAL FUNCTION TK-7180 Pin No. N
Page 49 and 50: TERMINAL FUNCTION TK-7180 Pin No. N
Page 51 and 52: J K L M N O P Q R S PC BOARD TK-718
Page 53 and 54: 1 TK-7180 PC BOARD A B C D E F G H
Page 55 and 56: 54 J I H G F E D C B A 1 2 3 4 5 6
Page 57 and 58: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 GN
Page 59 and 60: 57 J K L M N O P Q R S 1 2 3 4 5 6
Page 61 and 62: 58 TK-7180 SCHEMATIC DIAGRAM 7 6 5
Page 63 and 64: -t C906 0.01u C917 0.1u C918 10u10
Page 65 and 66: 61 SCHEMATIC DIAGRAM TK-7180 J I H
Page 67 and 68: 63 SCHEMATIC DIAGRAM TK-7180 T S R
Page 69 and 70: 65 SCHEMATIC DIAGRAM TK-7180 AD AC
Page 71 and 72: 67 SCHEMATIC DIAGRAM TK-7180 AN AM
Page 73 and 74: + - - + + - - + -t -t E TO DISPLAY
Page 75 and 76: 70 AGC MIC AMP MI2 IC414 TC75W51FU
Page 77 and 78: TK-7180 LEVEL DIAGRAM Receiver Sect
Page 79 and 80: TK-7180 OPTIONAL ACCESSORIES: KRK-1
Page 85: TK-7180 SPECIFICATIONS GENERAL Freq

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