www.mods.dk - The #1 site for modification for hamradios and it`s
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1. Mod Works but same as above clarification file D Internet Mods IC 910 htm 4 von 10 01 02 2004 05 20 08 www mods dk The 1 site for modification for hamradios and it s FREE to use This mod WORKS but as someone else mentioned the power drops down to 7W max immediately outside of the band also tried removing resistors further down the kt line only thing this does is make the rig go back to being totally locked again This is definitely not some kind of bandpass issue there is some sort of logic that is preventing the rig from going into high power while it is outside of the band It s almost like the driver stages are functioning but the PA itself is shut off when it s outside of the band If anyone has any further observations on this mod or alternative modifications please contact me directly or post information here Date 10 10 2002 User comment From Subject funciona pero requiere ajuste de menu interno ESTA MODIFICACION YO LA REALISE Y SI FUNCIONA ES VERDAD QUE DA POCA POTENCIA PERO SE PUEDE AJUSTAR PARA QUE DE MAS POTENCIA EL TRASMISOR YO EN LO PERSONAL ESTOY CONTENTO CON LOS RESULTADOS VHF 138 143 92W TX VHF 144 148 105W TX VHF 149 160 105W 70W TX DEPENDIENDO DEL SWR DE ANTENA EN CUALQUI ERA DE ESTOS SEGMENTOS UHF 425 430 68W UHF 431 450 80W UHF 451 470 80W 65W TX DEPENDIENDO DEL SWR DE ANTENA EN CUALQUI ERA DE ESTOS SEGMENTOS ESTOS SON LOS RESULTADOS DE ESTA MODIFICACION QUE YO OBTUVE Date 122. 25pF at the antenna end of L657 to ground and adjusting for max power at 138MHz will reduce the strain on the PA transistors Dave ZS1SG file D Internet Mods IC 910 htm 8 von 10 01 02 2004 05 20 08 www mods dk The 1 site for modification for hamradios and it s FREE to use recall trying the menu setting after shortingthe CI V lineto ground and holding the RIT SAT buttons was able to get full power on VHF above 148MHz but my power still drops to below 5096 above 450MHz I was able to get to the menu option for the 440 out of band setting but it was though the CPU was overiding my adjustment Anyone successful with getting the power increased above 450MHZ Thanks top of page This modification has been read 6685 times add a comment add a comment Improved SLOW FAST AGC response selection for I C 910H Author Jean Jacques ON7EQ derey village uunet be MODIFICATION NET The IC 910H offers a fast or slow AGC response selection from the front panel this selection isn t very effective and in fact AGC is always fast In order to improve the selection of the slow response eliminating the AGC pumping under SSB operation the R C timing components of the AGC circuit must be adapted as follows a Remove power open top and bottom covers of rig b on the underside locate the MAIN UNIT PCB it is on your right side with the front panel facing to you and doesn t need to be dismantled c repla
3. 10 2002 User comment From Subject not working for my 910h i try this mod also de software mod menu 9 not good for normal power outsite the band Date 13 10 2002 User comment From file D Internet Mods IC 910 htm 5 von 10 01 02 2004 05 20 08 www mods dk The 1 site for modification for hamradios and it s FREE to use icom 910h works now 100 outside the band thanks ic p2et ic p3at ic pcr1000 ic q ic r1 ic r10 ic r2 Dear Anon have a fairly new IC 910H made the mods for the extended frequency removed the 3 resistors on the display board was able to unlock the transmitter outside of the bands After doing the power override update I E selecting option 9 on the key board am able to get close to 100 watts from 136 174 Mhz ic r3 ic r 7000 ic r71 ic r7100 ic r8500 ic rp3010 ic SM2 ic t2 ic t22 ic t3h ic t7a ic t7h ic t8 ic t81 ic t90 ic ul6 ic u2at ic v200 ic v8 ic v8000 ic w21 The problem is that what ever do can NOT get more than 7 watts on 70Cm As somebody else stated this is NOT a band pass issue as you can go right up to 450 MHz and get full 75 watts output However soon as you go even 5 KHZ above 450 bang The power drops down to 7 or so watts Do you know of a fix for this problem 73 Rich n2eo icC w2a file D Internet Mods IC 910 htm 6 von 10 01 02 2004 05 20 08 www mods dk The 1 site for modification for hamradio
4. ce or just solder as piggyback on R312 and R914 22k original value by 2 2 k resistors SMD or 1 16watt version d replace C910 and C306 originally 22uF by 47uF 16v electrolytic type To locate these components you will need the service manual which is downloadable from different internet sources as a pdf document file D Internet Mods IC 910 htm 9 von 10 01 02 2004 05 20 08 www mods dk The 1 site for modification for hamradios and it s FREE to use Best 73 s Jean Jacques DE REY ON7EQ Web http www on7eq com top of page This modification has been read 1181 times add a comment WWW hamantenna com Have you any tips trick or modifications you can t find here please J a mail to me Can t you find a modification then don t e mail me please All mododification that i have is listed on this site Have you problem with www mods dk then you can visit the page file D Internet Mods IC 910 htm 10 von 10 01 02 2004 05 20 08
5. rrow FM on 1 2GHz band install a 1598355 diode at HD8 e TO enable crossbandrepeater install HD4 To use crossbandrepeater ic 2sat 1 Activate LOCK i256 8 ic 2sra E3 ic 32 ic 3200 ic 3210 ic 3220 ic 3230 ic 338 NNNM ic 37 icC 4 0 ic 40 ic 45 ic 451 ic 471 2 Switch off the radio 3 Puch and hold M S while switch on the radio To exit push LOCK Crossbandrepeat will not be canceled if power is switched off for DL Repeater Has anyone done this mod Does it work well What diode did you end up installing file D Internet Mods IC 910 htm 3 von 10 01 02 2004 05 20 08 www mods dk The 1 site for modification for hamradios and it s FREE to use top of page This modification has been read 11089 times add a comment add a comment IC 910H mods Author Unknow To modify your rig for e TX 144 remove R188 1k on the display board 136 174 MHz e X 430 remove R187 1k on the display board 420 480 MHz e TX 1200 remove R186 1k on the display board 1240 1320 MHz Narrow FM mode for 1200MHz install HD8 188355 on the display board You do not have to reset the CPU Date 18 04 2002 User comment From Subject This mod does not work This mod does not work on 910H Date 18 07 2002 User comment From Subject ic 910h mod not good for icom ic910h power 5watt outsite the band Date 20 09 2002 User comment From Subject
6. s and it s FREE to use ic w2e Soa ic w31 con f E ic w32 DU ZEIT ic x2a na Ta NIUM 01 ic zla lt Ao LL M E W j MISC ps85 sm 20 ZIYTTTED top of page This modification has been read 10225 times add a comment file D Internet Mods IC 910 htm 7 von 10 01 02 2004 05 20 08 www mods dk The 1 site for modification for hamradios and it s FREE to use add a comment IC 910 TX power protect software overide Author Dave ZS1SG j perry global co za MODIFICATION NET To allow normal transmitter power above and below 144 148 MHZ 1 Short the CI V line of the CI V jack on the back panel to ground Push and hold the RIT and Sattelite keys whilst turning on power Push 9 key to enter the expanded frequency power set mode Enter the adjustment mode for 144Mhz out of band RF power A wattmeter must be connected 2E CD oi Push RIT key to transmit 145 01 automatically Then rotate the tuning knob to adjust the desired RF power 6 Push RIT key to memorise Similar for the 70 and 23 cm bands Note that the transmitter power does drop off below 140 425 MHz and care must be taken not to keep the transmitter keyed in FM mode for long periods as the transistors get hot working into a out of resonance stripline If the band 136 140 is going to be used frequently then a small adjustment of C659 and the fitting of an additional trimmer capacitor 5
7. www mods dk The 1 site for modification for hamradios and it s FREE to use 8ndWmuch more we ship anywhere in the world crcr nene THIECOM 27 05 2001 English language Online shop in 22 07 2001 English language sermany 12 10 2002 English language 23 11 2003 English language add a comment Expanded functions for the I C 910H All versions file D Internet Mods IC 910 htm 1 von 10 01 02 2004 05 20 08 www mods dk The 1 site for modification for hamradios and it s FREE to use Author SMARNA Anders Janis sm4rna telia com MODIFICATION NET ic 1271 ic 1275 ic 2 ic 2000 ic 2010 ic 207 ic 208 ic 210 ic 2100 ic 211 ic 22 ic 228 ic 229 ic 2320 ic 2330 ic 2340 ic 2350 ic 24 ic 240 ic 2400 ic 2410 ic 245 ic 25 ic 2500 ic 251 ic 260 ic 27 ic 2700 ic 271 Backside of the Displayborad looks something like below Top left is vertikal row with resistors be seen Beside the resistors to the right a vertical row with diodes is located file D Internet Mods IC 910 htm 2 von 10 01 02 2004 05 20 08 www mods dk The 1 site for modification for hamradios and it s FREE to use ic 2710 From top is the diodes called D1 D2 D3 HD4 D5 D6 D7 HD8 ic 2720 ic 2725 ic 275 ic 28 ic 2800 ic 281 ic 2at ic 2gat ic 2gxat ic 2ia e To enable RX 136 174MHz Remove D5 e To enable RX 420 480MHz Remove D6 e To enable RX 1240 1320MHz Remove D7 e To enable na
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