The Icom service manual for the IC-A24/E and IC-A6/A6E VHF air band transceivers provides detailed instructions on setup, operation, and troubleshooting, including specifications, circuit descriptions, adjustment procedures, and disassembly instructions. It emphasizes precautions such as avoiding exposure to liquids, ensuring correct power supply connections, and using appropriate tools for adjustments to prevent damage to the transceiver.
Overview
This service manual provides detailed service information for the IC-A24/E and IC-A6/A6E VHF air band transceivers. It includes specifications, circuit descriptions, adjustment procedures, parts lists, mechanical parts and disassembly instructions, semiconductor information, board layouts, block diagrams, and voltage diagrams. The manual is intended for use by service technicians to maintain and repair these transceivers.
Specifications
- Frequency coverage: TX 118.000-136.975 MHz, RX 108.000-136.975 MHz [IC-A24/E], 118.000-136.975 MHz [IC-A6/E], WX 161.650-163.275 MHz [USA] only
- Type of emission: 8K00A3E, 16K0G3E (Weather channel; [USA] only)
- Channel spacing: 25 kHz
- Number of memory channels: 20 channels x 10 banks
- Power supply requirement: Specified ICOM's battery packs (BP-208N, BP-209N, BP-210N, BP-211N)
- External power supply requirement: 11.0V DC
- Current drain (at 7.2 V DC): Transmit 1.5 A typical, Receive 300 mA typical (AF max.), 70 mA typical (Stand-by)
- Operating temperature range: -10°C to +60°C; +14°F to +140°F [GEN], [USA], [CHN], -20°C to +55°C [EUR], -10°C to +50°C [AUS]
- Frequency stability: ±5 ppm
- Antenna connector: BNC type (50 Ω nominal)
- Dimensions (projections not included): 129.3(W) x 54(H) x 35.5(D) mm
- Weight (antenna, battery pack not included): 180 g
- RF output power (at 7.2 V DC): 5.0 W (PEP) typical, 1.5 W (CW) typical [GEN], [USA], [CHN], 3.6 W (PEP) typical, 1.0 W (CW) typical [EUR], [AUS]
- Modulation system: Low level modulation
- Modulation limiting: 70-100% [GEN], [USA], [CHN]
- Modulation depth: 85% [EUR], 85% to 95% [AUS]
- Audio harmonic distortion: Less than 10% (at 60% modulation) [GEN], [USA], [CHN], Less than 10% (at 85%+3 dB modulation) [EUR]
- Hum and noise ratio: More than 35 dB [GEN], [USA], [CHN]
- Spurious emissions: More than 46 dB [GEN], [USA], [CHN]
- Harmonic spurious emissions: Less than -36 dBm [EUR], Less than -26 dBm [AUS]
- Microphone connector impedance: More than 100 kΩ (3-conductor 2.5(d) mm (1/0"))
- Receive system: Double conversion superheterodyne
- Intermediate frequencies: 1st 30.05 MHz, 2nd 450 kHz
- Sensitivity: VOR (AM 6 dB S/N) 0.71 µV typical [IC-A24/E], COM (AM 6 dB S/N) 0.5 µV typical [GEN], [USA], [CHN], COM (AM 12 dB SINAD with CCITT filter) 0.71 µV typical [EUR], [AUS], WX (FM 12 dB SINAD) 0.22 µV typical [USA]
- Threshold squelch sensitivity: Less than 1
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
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Safety & Warnings
Refer to the PDF for details.
Download MANUAL Service manual (PDF – 4.5 MB)
Icom IC-A6/A6E Service Manual PDF: 4.5 MB. Guides technicians in troubleshooting, repairing, and maintaining the IC-A6/A6E models.
- Brand: Icom-ic-a6-ic-a6e-service
- Model: MANUAL
- Type: Service manual
- File size: 4.5 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-A6 / IC-A6E Service Manual Overview
The Icom IC-A6 and IC-A6E are compact, rugged handheld aviation transceivers designed to provide reliable communication for pilots and aviation professionals. These devices operate on VHF frequencies, offering clear voice transmission and reception essential for air-to-ground and air-to-air communication. The service manual provides detailed instructions for maintenance, repair, and troubleshooting to ensure optimal performance of the radios.
Main Features and Specifications
- Frequency Range: 118.000 to 136.975 MHz (aviation band)
- Power Output: Up to 6 watts for clear transmission
- Display: Large, easy-to-read LCD with backlight
- Channel Memory: 200 programmable channels
- Battery: Rechargeable Li-ion battery with long operating time
- Durability: Water-resistant and shock-resistant construction
- Audio: Built-in speaker and microphone for clear sound
- Additional Features: Dual watch, priority channel, and squelch control
Basic Usage and Operation Tips
To operate the IC-A6/IC-A6E, power on the unit and select the desired frequency or channel using the keypad or rotary knob. Adjust the volume and squelch settings for optimal audio clarity. Use the push-to-talk (PTT) button to transmit your message. Always monitor the emergency frequency 121.5 MHz when in flight. Regularly check battery levels and recharge as needed to avoid communication interruptions.
Troubleshooting and Maintenance
If you experience weak transmission or reception, verify antenna connections and ensure the battery is fully charged. Refer to the service manual for step-by-step diagnostic procedures including signal testing and component replacement. Clean the device regularly with a soft cloth and avoid exposure to extreme temperatures or moisture. Replace worn or damaged parts promptly to maintain reliable operation.
Safety Reminder
Always follow aviation communication protocols and ensure the radio is used in accordance with regulatory guidelines. Avoid operating the device during critical phases of flight unless necessary. Handle the transceiver carefully to prevent damage and always use manufacturer-approved accessories and batteries to ensure safety and performance.