Power Supply Connections; D Connecting The Ps-126 Power Supply; D Connecting A Non-Icom Dc Power Supply - Icom IC-7100 Advanced Instructions

Hf/vhf/uhf all mode transceiver
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INSTALLATION AND CONNECTIONS

Power Supply Connections

Make sure the [POWER] switch is OFF before connect-
ing the DC power cable.
• We recommend using Icom's optional power supply
(PS-126: DC13.8 V/25 A).

D Connecting the PS-126 power supply

Use the attached AC cable to con-
nect to AC outlet.
Rear panel
To
[DC 13.8V]
GND
The transceiver needs followings:
• DC 13.8 V (Capacity: 22 A and over)
• A power supply with an over current protective line
and with a less voltage fluctuation or ripple

D Connecting a non-Icom DC power supply

Connect the black DC power cable to the (–) Negative
PS-126
terminal, and the red DC power cable to the (+) Positive
terminal.
Rear panel
GND
DC power socket
For European versions
DC power socket
RWARNING! (About DC power supply)
• Make sure DC power cable polarity is correct.
Red: Positive + terminal
Black: Negative – terminal
• NEVER cut the DC power cable between the DC
plug and fuse holder.
• DO NOT use unattached or undesignated DC pow-
er cable.
• DO NOT forcibly pull or bend the DC power cable.
Install the devices far enough from the place where
people might put things or step on the DC power
cable.
2-8
Stabilized power supply
Fuse
holder
GND
OPC-2095
AC outlet
RED
BLACK
OPC-1457
Connect to
power supply

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Do you have a question about the IC-7100 and is the answer not in the manual?

Questions and answers

William Carpenter
January 26, 2025

IC-7100 is two months old. Power suddenly cut off. Fuses are OK. No obvious damage internally. Can something with the control head cause unit not to power up?

1 comments:
Mr. Anderson
February 10, 2025

Yes, a control head issue can cause the Icom IC-7100 to not power up. The control head receives power through the extension cable with shielded RJ45 connectors. If there is high resistance in the power wires or a poor connection in the umbilical cable, it may prevent the control head from receiving enough power to function properly. Reseating both connectors may help resolve the issue.

This answer is automatically generated

Norman Dorn
May 3, 2025

re ICOM 7100. Digital mode operations leave the mike path inoperable. What protocols are required on the DV USB computer/transceiver cable? Transceiver control head display shows USB-D when the intent is USB.

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