- #ICOM F320 PROGRAMMING INSTRUCTION GENERATOR#
- #ICOM F320 PROGRAMMING INSTRUCTION MANUAL#
- #ICOM F320 PROGRAMMING INSTRUCTION UPGRADE#
Opening case 1 Unscrew 4 screws, A, and remove the bottom cover. Limitting charact of modulator Microphone connectorĠ.22 µV typical 70 dB (Wide) 60 dB (Narrow)Īdjcent chnnel selectivity Spurious responseģ.5 W typical at 10% distortion with a 4 Ω load 2-conductor 3.5 (d) mm (1⁄8")/4 ΩĪll stated specifications are subject to change without notice or obligation.ĪNT SW RF amplifier (Q12: 35K239) 1st IF filter (FI1: FL-285)ĪF power amplifier (IC10: LA4425A) High-pass filter (IC8: NJM2904V)įM IF IC (IC3: TA31136FN) Discriminator (X3: CDBCA450CX24) 2nd IF filter (F14: SFPC450E) 2nd IF filter (F13: SFPC450G) freqequency deviation Spurious emissionsħ0 dB 70 dB minimum (Wide) 60 dB minimum (Narrow)Īdjacent channel power Residual modulationĥ5 dB typical (Wide) 50 dB typical (Narrow)Ĥ6 dB typical (Wide) 40 dB typical (Narrow) Variable reactance frequency modulation ±5.0 kHz (Wide) ☒.5 kHz (Narrow) audio (approx.) RX stand-byĪntenna connector Dimensions (proj. Type of emission Frequency stability Operating temperature range Power supply voltage TX max. 5 - 3 5 - 3 TRIMMER ADJUSTMENT.5 - 4 5 - 4 BEEP ADJUSTMENT. 4 - 4 4 - 5 PORT ALLOCATIONS.4 - 4ĥ - 1 PREPARATION. READ the instructions of test equipment thoroughly before connecting equipment to the transceiver.ġ0-digit order numbers Component part number and name Equipment model name and unit name Quantity requiredĨ810005840 Screw PH BT M3 x 8 NI-ZU IC-F310 Bottom cover 10 piecesĪddresses are provided on the inside back cover for your convenience.ĮXPLICIT DEFINITIONS VERSIONS F320/F320S LMR (Land Mobile Radio) F310/F310S PMR (Personal Mobile Radio)Ĥ - 1 RECEIVER CIRCUITS. ALWAYS connect a 50 dB to 60 dB attenuator between the transceiver and a deviation meter or spectrum analyzer when using such test equipment. DO NOT transmit power into a signal generator or a sweep generator. DO NOT keep power ON for a long time when the transceiver is defective. An insulated tuning tool MUST be used for all adjustments. DO NOT short any circuits or electronic parts.
DO NOT force any of the variable components. DO NOT open the transceiver until the transceiver is disconnected from its power source. Make sure a problem is internal before disassembling the transceiver. This could damage the transceiver's front end.īe sure to include the following four points when ordering replacement parts:ġ.
To upgrade quality, any electrical or mechanical parts and internal circuits are subject to change without notice or obligation.ĭO NOT apply an RF signal of more than 20 dBm (100 mW) to the antenna connector. DO NOT reverse the polarities of the power supply when connecting the transceiver. DO NOT expose the transceiver to rain, snow or any liquids. NEVER connect the transceiver to an AC outlet or to a DC power supply that uses more than 16 V.
This service manual describes the latest service information for the IC-F310, IC-F310S, IC-F320 and IC-F320S VHF FM TRANSCEIVER at the time of publication.
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