Icom IC-M25 Service Manual

Also see for IC-M25: Instruction manual Instruction manual Instruction manual

Contents

Icom IC-M25 Service Manual Manual pdf 13 page image

6-2ADJUSTMENT CONDITIONREFERENCE FREQUENCYTX OUTPUT POWERFM MODULATIONRX SENSITIVITYSQUELCHM ADJUSTMENT UTILITY SCREENADJUSTMENT TRANSCEIVER’SCONDITION OPERATION ADJUSTMENTITEM VALUEPLL LOCKVOLTAGEVERIFICATION1 • CH.: 16• Receiving1) Connect an RF power meter to theantenna connector.2) Click the [Update (F5)] button to check onthe "I/O Check screen" as below.[LVIN](On the "I/OCheck screen")1.65 V ±0.5 V2 • CH.: 16• Transmitting1.70 V ±0.5 VREFERENCEFREQUENCY1 • CH.: 16• Transmitting• Loosely couple a frequency counter to theantenna connector. [Ref. Freq.]156.800000MHz(±500 Hz)6-2 FREQUENCY ADJUSTMENTS1) Select an adjustment item using [↑]/[↓] on the PC's keyboard.2) Set or modify the adjustment value as specified using [←]/[→] on the PC's keyboard, and then push [ENTER].• I/O Check screen(The values shown above are exsample only.Each transceiver has own values.)The Lock Voltage is displayed here.