Icom IC-78 Service Manual
Hf transceiver
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Also See for IC-78:
- Service manualvice man (56 pages) ,
- Instruction manual (48 pages) ,
- Service manual (54 pages)
Related Manuals for Icom IC-78
Summary of Contents for Icom IC-78
- Page 1 HF TRANCEIVER iC-78...
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Page 2: Ordering Parts
This service manual describes the latest service information NEVER connect the transceiver to an AC outlet or to a DC for the IC-78 HF TRANSCEIVER at the time of publication. power supply that uses more than 16 V. This will ruin the transceiver. - Page 3 TABLE OF CONTENTS SECTION 1 SPECIFICATIONS SECTION 2 INSIDE VIEWS SECTION 3 DISASSEMBLY INSTRUCTIONS SECTION 4 CIRCUIT DESCRIPTION 4 – 1 RECEIVER CIRCUITS ......................... 4 – 1 4 – 2 TRANSMITTER CIRCUITS ......................4 – 4 4 – 3 PLL CIRCUIT ..........................4 – 6 4 –...
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Page 4: Section 1 Specifications
SECTION 1 SPECIFICATIONS GENERAL RECEIVER • Frequency coverage • Receive system : Double-conversion Receive 0.030–29.999999 MHz* superheterodyne Transmit 1.600–29.999999 MHz* • Sensitivity (10 dB S/N) Guaranteed range: 0.5–29.999999 MHz SSB, CW, RTTY 0.16 µV* (1.8–29.999999 MHz) Guaranteed range: 1.600–1.999999 MHz 13 µV (0.5–1.599999 MHz) 3.500–3.999999 MHz 2.0 µV*... - Page 5 The combination of this page and the previous page shows the unit layout in the same configuration as the actual P.C. Board. • BOTTOM VIEW (PLL UNIT) • BOTTOM VIEW (PA UNIT) VARISTOR BOARD 9 - 4...
- Page 6 Count on us! S-13707MZ-C1 1-1-32, Kamiminami, Hirano-ku, Osaka 547-0003, Japan © 2000 Icom Inc.
- Page 7 Icom IC-78 _sm00.pdf Icom IC-78 _sm00.pdf Icom IC-78 _sm00.pdf Icom IC-78 _sm00.pdf Icom IC-78 _sm00.pdf Icom IC-78 _sm00.pdf Icom IC-78 _sm00.pdf Icom IC-78 _sm00.pdf Icom IC-78 _sm00.pdf...