Icom IC-207H – Display Repair
This is an Icom IC-207H
UHF/VHF Amateur Radio with Defective Display – Image taken December 4, 2014
This is the repair project with the control module disassembled. The control module uses two indicators. In the bag are 6 each 12 v 60 ma bulbs
Image taken December 13, 2014 – Icom IC207H display
This white display (plastic piece) had to come out. The bulb was melted into the display. After prying the white display from the circuit board, the leads to the bulb broke. The white display was separated from the circuit board. It took some prying with a screw driver and a little more damage to separate the broken bulb from the white display. Note: On some radios the white display piece and the yellow lens are glued together.
Image taken December 13, 2014 – White Display
The new (replacement bulb
Image taken December 13, 2014
The circuit board with one bulb missing and the defective bulb still mounted.
Image take December 13, 2014 – Circuit Board to Control Module – Icom IC-207H
A bit dark. The circuit board has 2 new bulbs mounted in place. The white display is a bit cracked (damaged) where the one bulb will fit into the display’s hole (will be used as is).
Image taken December 13, 2014
The control module in the reassembly process.The white display is in place on the circuit board. The lens filter, buttons and rubber pad are in place in the front control module.
Image taken December 13, 2014
Reassembly a little further along. The circuit board is in place along with the spring clip. Three screws hold the circuit board to the front control module. Two screws will hold the cover in place. Installing the knobs will finish the reassembly. Getting the circuit board in place takes a little juggling! The white lens, the lens filter, and the front buttons need to stay in place as the circuit board is combined.
Image taken December 13, 2014
The control module back together and ready for testing.
Image taken December 13, 2014
The newly repaired control module with a working display. The display appears a little brighter on the right compared to the left. The white display in the control module is a bit discolored from the remains of the bulb melting incident. Perhaps this is the cause. Never the less the display looks and works much better!
Image taken December 13, 2014
Cost for the parts came to about $15.75. With 4 spare bulbs left over. It was 55 miles round trip to get the bulbs at Baynesville, Electronics. Thanks to the guy at Baynesville, Electronics. who pointed me in the direction of the new bulbs! (Note: Baynesville Electronics closed for business since the writing of this post! Check out a newer post which uses LEDs in place of bulbs! (January 31, 2018).
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Tools used included, needle nose pliers, wire cutters, small philips screwdriver, small standard screwdriver, Kester solder, wet paper towel, Weller 25 watt solder iron and solder wick..
This Radio was purchased used off of Ebay (a few years ago). The display bulbs may well have been bad when received. It was still readable (broken). Just not easy to see!