The Icom service manual for the IC-2SAT/SET 144 MHz FM Transceiver provides detailed instructions for setup, operation, and troubleshooting, including specifications, circuit descriptions, and adjustment procedures for various components. It also includes guidelines for ordering replacement parts and safety warnings to prevent damage to the transceiver.
Manual Overview
The Icom IC-2SAT/SET service manual provides detailed guidance for servicing the 144 MHz FM transceiver across its various versions. It emphasizes the importance of verifying internal issues before disassembly and ensuring the transceiver is disconnected from power sources to prevent damage. Troubleshooting flow includes checking power supply connections and ensuring correct polarity. Error codes and diagnostics are not explicitly detailed, but the manual advises using insulated tools for adjustments and connecting appropriate attenuators when using test equipment like deviation meters or spectrum analyzers. Calibration and adjustments cover PLL, receiver, and transmitter settings, with specific procedures outlined for each. Board-level guidance includes layouts for logic, main, and various other units, facilitating component identification and servicing. The manual also provides part ordering instructions, emphasizing the need for specific order numbers and component details. Overall, the manual serves as a comprehensive resource for technicians to maintain and repair the IC-2SAT/SET transceivers efficiently.
Quick Issues Covered
- Diagnose power-up failures; check power supply and connections.
- Calibrate PLL circuits for frequency stability and accuracy.
- Trace circuits using detailed schematics for troubleshooting.
Overview
This service manual provides detailed service information for the IC-2SAT/IC-2SET 144 MHz FM Transceiver. It covers five versions of the transceiver designed for different regions: Europe, Italy, USA, Australia, and Asia. The manual includes sections on specifications, inside views, block diagrams, circuit descriptions, mechanical parts and disassembly, adjustment procedures, board layouts, parts list, optional units, and voltage diagrams. The manual also provides safety warnings and repair notes for servicing the transceiver.
Specifications
- Frequency coverage: USA, Asia 140.00~150.00 MHz; Italy, Australia 144.00~148.00 MHz; Europe 144.00~146.00 MHz
- Mode: F3 (FM)
- Selectable tuning step: 5, 10, 12.5, 15, 20, 25 and 50 kHz
- Memory channels: 48 plus a call channel
- Antenna impedance: 50 ohms
- Power supply requirement: 6~16 V DC negative ground or battery packs BP-81~BP-85 or battery case BP-90
- Current drain (at 13.8 V DC): Receive 16 mA (power saved), 250 mA (max. audio output); Transmit 650 mA (LOW 1), 1500 mA (HIGH)
- Usable temperature range: —10 °C~+60 °C (+14 °F~+140 °F)
- Frequency stability: +15 ppm (- 10 °C~ +60 °C) (+14 °F-~ +140 °F)
- Dimensions: 49 (W)x 102.5 (H) x 35 (D) mm
- Weight: 280 g (9.9 oz)
- Output power (at 13.8 V DC): High 5.0 W; Low 3.5/1.5/0.5 W (selectable)
- Modulation system: Variable reactance frequency modulation
- Max. frequency deviation: +5 kHz
- Spurious emissions: Less than —60 dB
- Microphone impedance: 2 k ohms
- Receive system: Double-conversion superheterodyne
- Intermediate frequencies: 1st 30.875 MHz, 2nd 455 kHz
- Sensitivity: 0.18 µV for 12 dB SINAD
- Selectivity: More than 15 kHz/—6 dB; Less than 30 kHz/—60 dB
- Spurious rejection ratio: More than 60 dB
- Audio output power: More than 200 mW at 10 % distortion with an 8 ohm load
- Audio output impedance: 8 ohms
Controls & Indicators
Refer to the PDF for details.
Installation / Setup
Refer to the PDF for details.
Operation
Refer to the PDF for details.
Troubleshooting & Error Codes
Refer to the PDF for details.
Safety & Warnings
NEVER connect the transceiver to an AC outlet or to a DC power supply that uses more than 16 V. This will ruin the transceiver. DO NOT expose the transceiver to rain, snow, or any liquids. DO NOT reverse the polarities of the power supply when connecting the transceiver. DO NOT apply an RF signal of more than 20 dBm (100 mW) to the antenna connector as this could damage the transceiver’s front end.
Download MANUAL Service manual (PDF – 17.1 MB)
Icom IC-2SAT/IC-2SET Service Manual PDF (17.1 MB): Guide for troubleshooting, calibrating, and servicing the IC-2SAT/IC-2SET models.
- Brand: Icom-ic-2sat-ic-2set-service
- Model: MANUAL
- Type: Service manual
- File size: 17.1 MB
Overview
Brief overview of the product.
Specifications
- Key spec 1
- Key spec 2
Controls & Indicators
Control panel/button layout.
Installation / Setup
- Step 1…
- Step 2…
Operation
Basic usage, modes, cycles.
Troubleshooting & Error Codes
| Issue / Code | Fix |
|---|---|
| Example | How to fix… |
Safety & Warnings
- Important warning…
Downloads
Download MANUAL service manual (PDF)
Icom-ic-2sat-ic-2set-service MANUAL – Service Manual Overview
The Icom IC-2SAT/IC-2SET is a compact, handheld amateur radio transceiver designed for reliable communication over VHF frequencies. This service manual provides detailed instructions for maintenance, repair, and troubleshooting, ensuring optimal performance of your device. Ideal for amateur radio enthusiasts and technicians, the manual covers all aspects of the IC-2SAT/IC-2SET’s operation and servicing.
Main Features and Specifications
- Frequency Range: VHF 144-146 MHz
- Power Output: Up to 5 Watts
- Compact and Lightweight Design for Portable Use
- 16 Memory Channels with Channel Scanning
- Built-in CTCSS and DCS Tone Encoding/Decoding
- Battery Operated with Rechargeable Ni-Cd Battery Pack
- LCD Display with Backlight for Easy Operation
- Simple User Interface with Push-Button Controls
Basic Usage and Operation Tips
To operate the IC-2SAT/IC-2SET, first ensure the battery is fully charged. Power on the device and select the desired frequency or memory channel using the keypad. Use the push-to-talk (PTT) button to transmit and release it to receive. Adjust the volume and squelch controls for clear audio reception. Regularly update memory channels to stay tuned to your preferred frequencies. Refer to the manual for detailed programming instructions and advanced features.
Troubleshooting and Maintenance Notes
If you experience weak transmission or reception, check the antenna connection and battery level. Clean the contacts periodically to prevent corrosion. For issues such as no power or erratic operation, consult the troubleshooting section in the manual to diagnose common faults. Avoid exposing the device to extreme temperatures or moisture. Regular servicing by qualified technicians is recommended to maintain optimal functionality.
Safety Reminder
Always use the Icom IC-2SAT/IC-2SET in accordance with local regulations and guidelines. Avoid transmitting near sensitive electronic equipment or in hazardous environments. Do not disassemble the device unless you are qualified to do so, as improper handling may cause damage or injury. Keep the device away from water and extreme heat to prevent electrical hazards.