Icom IC-F4101D Service Manual

Also see for IC-F4101D: Instruction manual

Contents

Icom IC-F4101D Service Manual Manual pdf 16 page image

5 - 4ADJUSTMENT TRANSCEIVER’SCONDITION OPERATION ADJUSTMENTITEM VALUEPLL LOCK VOLTAGE-RX-(Band low)1 • Channel : 1-1• Receiving1) Connect an RF power meter to theantenna connector.2) Set the preset adjustment value onthe adjustment utility window.[RX LVA(Adjust)] 1.00 V(Band high) 2 • Channel : 1-2• Receiving[RX LVA(Check)] 3.70 V-TX-(Band low)3 • Channel : 1-1• Transmitting [TX LVA(Adjust)] 1.00 V(Band high)* 4 • Channel : 1-2• Transmitting [TX LVA(Check)] 3.20 V-VERIFY-** 5 • Channel : 1-2• Transmitting• Click the [Update (F5)] button to checkon the "I/O Check window" as below.[LVIN](On the "I/OCheck window")2.00–4.00 V(Verify)REFERENCEFREQUENCY1 • Channel : 1-3• Transmitting• Loosely couple a frequency counter tothe antenna connector. [REF]470.000000 MHz[400 MHz band]400.000000 MHz[350 MHz band](±50 Hz)*: For only [350 MHz band]. **: For only [400 MHz band].5-2 FREQUENCY ADJUSTMENTS1) Select an adjustment item using [↑]/[↓] on the PC's keyboard.2) Set or modify the adjustment value as specifi ed using [←]/[→] on the PC's keyboard, then push [ENTER].• I/O Check window(The values shown above are an example only. Each transceiver has own values.)Lock voltageappears here* * *