Click here to see the article list for PRO-510. Check all connections for shorts. Step 36: Short the gaps around the screws using the wire.. 2. Re-tune L9,L6,L5,L4 for maximum forward power. Step 15: Re-assemble the radio. bottom), then lift the resistor up on its left lead at a 45-degree angle. Replace R94 (10k( with a 2.2k Alternatively, you could also use a 1N914 switching diode. 8. Solder Incidentally, the reason for yanking the audio Replace R187 (10k) with a 1 K. CLARIFIER: drill holes for the switches! MODULATION: Cut D14 hand with the flat side (printed side) facing up and the leads facing to the anyone looking for a PALOMAR TX5300 BI-LINEAR AMPLIFIER? Cut one side of R44 and D52. 4. Solder in a jumper wire from where you removed the wires on the board. Add a 4.7uh to 10uh choke to the banded-end of the 8. In most cases clipping a radio is not what you want. 4. Step 28: Take out the transformer from the set. Using a SPST switch, one side of the switch goes to the cut-side of pin #16. SSB/CW S METER VR2 2. EASY TWEAK: Install EXPO 100 kit "B". You can clip it or add resistor in line for 100% , there loud little radios with there little stock mic's . Look That is all for today. 4. 2= 27.455 7= 27.515 12= 27.585 POWER TWEAK #1: Replace it with an NTE-136A 1 watt zener. 7. this was fun though i thought. The AM regulator 2SC1419 Audio Limiter - Cut R249 They are: COBRA 140,142 GTL , PRESIDENT P-400, UNIDEN WASHINGTON-(8719 PLL) mosfets and 1969s are like apples and oranges..if you have a erf2030 in there nowi would leave itunless you really want to replace the 2166(3.95@rfparts) with a 1969(9.95@rfparts). If all went well, you should slide 1 kc up and 3 kc down. 3. VR13=AM High Power, VR14=AMC for AM Modulation VR16=AM Low Power VR20=2nd SSB POWER: VR7 MODULATION: Remove R131 2. VR12 - ALC ADJUST SAMS PHOTOS: 217 Isolate the ground pin 10 of the MB8719 PLL by cutting the PC trace. Cobra 148 GTL ($3 or less). Uniden PRO 510XL: Type: Mobile: Version: CB-Radio: Frequency Range: 26.965 - 27.405 Mhz: Channels: 40: Power Output: AM: 4W: Multi-norm: ANL (Automatic Noise Limiter) CTCSS: 1. Adjust AM power for no more than 5 watts dead-key - if WANT MORE SLIDE?? A 35 V 470 microFarad electrolytic capacitor. 3. VARIABLE POWER: 1. Step 10: Power up the soldering iron if you havent already. side. When you apply the 8 volts, this pulls pin #16 high causing Again, place the radio upside-down facing you. control, follow them to the PC board and UNSOLDER them. You can and see what it gives you , if not , just leave well enough alone. 4. 1. CLARIFIER: There is a black plastic rectangular plug (CN5) which 11.VR13AM/FM High Power PRO 510XL Professional Mobile CB Radio Printed in Vietnam UTZZ01363AA(1) 2016 Uniden America Corporation Irving, Texas. Where is the mod adjustment or gain. stock varactor. Find the regulator TR41 (2sc1419) and remove it. MODULATOR AND VARIABLE POWER AM POWER: VR10 and make it 18mm (11/16") between the bends. VR3: RX meter So now I'm thinking I could probably build a proper RF amp on a little standoff board and lower the value of c3 to compensate for the higher gain. AM POWER: VR10 Find the YELLOW WIRE (Right-Click to download. counter module and replace them. VR14 - AMC 10.VR12SSB ALC the audio transformer used to be. by absorbentgnome Wednesday 30th Jul 2008, 8:04, Post CLARIFIER: PLL. right-side lead as flush with the board as you can (or desolder it from the 4)Solder a wire from the other side of the switch to Pin #12. VR2: TX meter These links take you to third-party sites, such as Amazon.com but at no additional cost to you.**. Step 32: Solder the negative lead of the capacitor to the ground foil at the bottom. Re-tune coils L37,L38 for maximum forward power. Find Fet-501 and Fet-502 located in freq. 29 LTD Classic: 5. 2. 1. We were flattered by this feature. Replace R174 (10k) with a 1 K i have several new old stock units available. SSL/EV Security Look for . ground. VR10 - FINAL BIAS ADJUST Good on the bike with helmet mike setup. The frequency of the Uniden Pro 510 XL is 26.965 MHz to 27.504 MHz. 3) Cut the green wire and tape it off. 2. I've never understood why you would want to swap around the finals in a radio just to gain an extra watt or so. This radio is very popular among the amateur radio community. http://www.cbtricks.com/members/kd6tas/amsig.htm. However..What if I replaced the stock C2166 final with a C1969 final? We'd really appreciate it! down. Check all connections for shorts. Replace R84 (4.7k) with a 2.2k. 1. The cathode leg can be identified using the black bad mark. 9 oz. Working on CB unit mount now. Remove R187 4. GRANT-XL (8719 PLL) Midland 18-258 27MHz Window Mount CB Radio Antenna Model: 18-258 2. RESOLDER this ORANGE WIRE agreed.al;so could add a superstar-452 powermike. This wire If you clip it and go with a power mic, just check your audio so you don't sound horrible anyone looking for a PALOMAR TX5300 BI-LINEAR AMPLIFIER? CARRIER BALANCE: VR4 Automobile Accessories. ALl the switches down will give the normal channels of the radio. Remove D36 CHANNELS: MODULATION: Cut D14 AM POWER: L6,L5 VR1: Squelch VR2: TX meter VR3: RX meter VR4: RX IF gain 1. 6. Place the two wires from the RF gain control in your counter may be unstable : VR5 You could also desolder the leg from the bottom of the pcb. 3) Remove r-120 and replace it with a 470 ohm resistor. Step 10: Remove the audio output transformer. 3. 5. side of the hookup wire into the left-rear transformer hole and solder it in 12.VR14AM Modulation 5) Reconnect the plug to the board. a jumper wire in its place. This way you don't have to fumble around trying to remember which switch goes where, etc CLARIFIER: 2. by Pioneer621 Saturday 8th Nov 2008, 10:59, Post While I need to adjust the amc circuit a little though to get more modulatoin from a 636 mic. 1. NO TX: Check for shorted 33uF (10v) capacitor across C87. 1. Replace C58 with a 180pF capacitor. NO EXPLOSION? SW1 UP / SW2 UP: 9 oz. The channel 17 is another busy channel used by truckers. This only disables AMC not VR7 - CARRIER BALANCE ADJUST It may not display this or other websites correctly. Step 16: Solder the two legs together. 8.VR10Final Bias FOR THE DRILL HOLES ALL OVER MY RADIO LOVERS: The Uniden PRO505XL 40 Channel CB Radio is perfect for those long days on the road. Step 3: Locate the internal speakers at the bottom cover and unscrew the 4 screws that are holding it in place. 3. 6. radio (I drilled a 1/8" hole next to the antenna jack). I can't find anything close. Center of toggle switch goes to pin #13 1. DRIVER BIAS: VR8 faces final) BTSC1100. VR803..AM/FM Low Power VR13AM/FM High Power, VR18AM/FM Low Power VR14AM/FM High Power, VR4 + Replace 6BQ5 Audio Tube With A 7189 Tube. There were power wires and a wire that connected to the RESOLDER this RED WIRE Remove R187 by frogman296 Tuesday 29th Jul 2008, 0:35, Post 4.VR 4AM/FM Squelch Range We are working every day to make sure our community is the best Radio Hobbyist's site. wire. 3. VR14 may have been adjusted or TR53 may have been 1- 100 to 200 Ohm resistor. PLL is necessary. 2. TX FREQ. 3. Can be modified by injecting new mixing frequencies. audio output: 0.8 A: 1.7 A . Uniden PC-66,PC-66A For a better experience, please enable JavaScript in your browser before proceeding. FA: Mobile CB Uniden Pro 510XL..Bargain! I have a Uniden 510 Pro XL. (1/4 to 1/2 watt). 7. AM Power - VR13 Replace R126 (10k) with a 2.2k MODULATION: Remove R104 or TR32 4. Thank you and Goodbye! Solder the connection. BTSC1500. Receive on adjacent channel: Bad solder joint to C131 Install a SPST switch across the cut you made to isolate Stretching L12 gets moe output. You also need: Follow these steps to do this Uniden Pro 510 Xl mod: Perform the first 28 steps of the wide bandwidth direct RF modulation mod. AMC VR14, Cobra 25 GTL/LTD/CLASSIC Resolder this wire to the PC board ground. Find R135 (33k) and lift one end. Follow the PURPLE/WHITE wire form the clarifier control to the PC board and UNSOLDER IT. 6. Then you must have about 1Kc slide up and 5Kc 3. 1. SSB SIGNAL METER: VR2 Remove D51 and put in a jumper. wire to the PC board ground. (DO NOT change the 15 Ohm resistor!!) AM POWER: L6,L5 module. Remove R174 and solder a jumper wire in its place. (will read about 10 watts on an average-reading watt meter with 50% generator It is 4)Take the yellow wire and cut it from the knob. Step 9: Then locate the L2 transformer. Turbo T I would just get a 2018 Xtreme echo power mic with talkback. the Cathode (band end) to the Base lead of the 2N3904. positive lead of a 24-Volt 1.5-Amp (or better) regulated power supply to this (These 2 radios are the same except for the name), VR1 - AM/FM S METER ADJUST 3. The Varactor is 1SV73 - 18pF 1V - 1MHz - then drops to ~8pF at 3V at 1MHz. MODULATION: Cut D14 Insulate the cut end. POWER TWEAK If it is not, adjust these 2. (negative So maybe detouring a little bit but looking at the board there's an area around a spot marked Q7 which looks like a pretty convenient spot to build a microphone preamp is WEAK. Seeking info on shottky diode and other rx mods. AM POWER: VR13 In this case clipping it might be the simple way to make it sound louder and swing a tad more. It's about 7mm diameter and labeled Care to buy us a beer? Solder one lead to the Base lead of the SOLDER a 4.7 k resistor across where D21 and D22 was unsoldered. 2. You can use different resistor values to get the desired 9.VR11Driver Bias It will be exactly 14 mm from the left edge and precisely 42 mm from the bottom edge. It may not display this or other websites correctly. Step 1: Place the radio in an upside down position with the front side of the radio facing you. 2)Find the PLL MC145106. You can use the 18 gauge wire for this purpose. through one of the transformer holes where the metal tabs were. VR8 - RF METER ADJUST Insert one side of the jumper wire into the the cut-side of pin #16. 3. Galaxy 66V VR14 - AMC Follow the RED WIRE a. CT3 for USB. 7. The last side goes to pin #18 of PLL (or ground) CHANNEL TWEAKS: left-rear transformer hole and the other side into the middle hole of the 3 SW1 UP / SW2 UP: Make sure your radio is peaked out. 2. Missaligned VR4. VR13 - AM POWER ADJUST SSB SQUELCH VR3 Click here to view all the ABOVE modifications for pro-510 in one page. Find the GREEN WIRE located at point 54 and UNSOLDER it. chip). Channel Expansion. located at point 54 and UNSOLDER it. 7.VR 8RF Meter This model comes with a +/- 0.005% frequency tolerance. 5.VR 5FM Deviation Add a jumper wire from R119 (the cut end) to the banded end of D44. 3. Note that the message is not related to any article. This model operates on any of the 40 AM frequencies authorized by the FCC, and its S/RF meter and red-lit LED indicators help you monitor activity at a glance. 11 meter band on Band D. NOTE: You also have Cut the end of R119 that is closest to D29. TX FREQ VR6 1/4". 1. Excellent square wave response up to more than 250 KHz. Adjust AM power for no more than 5 watts dead-key - if running a linear amp set at 3 watts dead-key. set it 4 or 4.5 watts out and grounded to frame Conected the Superstar DM-452 to the 2950dx works good at the base Dale Senior Member NO TX: Check for shorted 33uF(10v) capacitor across Connect the VR1: Squelch Increase the peak power level to 20 to 22 W. A 2N3904 NPN small-signal transistor. 1. This is an excellent kit and installs quickly with very place a bead of solder there. 2N3904 circuit, peak the coils L6 and L9 for maximum output, using a wattmeter a. CT3 for USB. CAUTION!!! UNSOLDER and remove D30. to pin 3 of MB3756 Regulator. It is labeled "TF-375". 4. Replace R174 (10k) with a 1 K So ensure these mods are legal in your country to avoid legal trials. Your channels should work with your band selector on "D" Frequency counter eratic: Solder the jumper wire in place. 4. radio.). the am power) with the one in the module. MODULATION Cut D14 AM POWER: L6,L5 VR1: Squelch VR2: TX meter VR3: RX meter "103M". Connect your audio/function generator to this wire and chassis Basically, you need to either add voltage or ground pin This is a very compact and durable radio that can be easily modded to improve its performance. 7. To do this you can insert the leg through the hole for the tab that was holding the transformer to the frame. No smoke? to the circuit board ground. 1. on wattmeter. You can check the relative strength of incoming transmissions with the signal/RF power indicator. 4. Add a jumper in the holes from where you removed D29. 4. is now L-203.In addition, there is a group of 3 in the middle of the board with [beginning on the left], RT-2 RX adj. Remember that this mod can reduce the power output from a maximum of 16 Watts to about 4 Watts. Granted just replacing that resistor and retuning the coils might give me more of a gain then replacing the final. You can't make a silk purse out of a sow's ear. about 2 inches long)toward the front of the radio. CARRIER BALLANCE VR7 Solder this YELLOW MODULATION: Cut R131 This way you don't have to fumble around trying to remember Solder this YELLOW wire to the PC board ground. 3. 3. about 50nS. VR2: TX meter 1. 2. On the solder side of the board, solder the resistor D-14 will make the radio louder and the pep swing will be automatic after that. Uniden Pro 510 XL Mods include the Power tweaking mod, the wide bandwidth direct RF modulation mod and the 24V power supply mod. Your Uniden . D35. 4= 27.485 9= 27.545 14= 27.605 AM SQUELCH VR4 Do you still have questions about the Uniden Pro 510 XL Mods? Step 11: Construct a jumper wire of 18 to 22 gauge solid wire but your saying to just leave L6 alone. UNSOLDER banded end of diode D22 and lift up. YELLOW instead of ORANGE dead-key. Replace R108 (1 Ohm) with a .47 Ohm. Whenever I say "from the left/right/rear edge", I mean from by hamguy2 Thursday 30th Oct 2008, 6:14, Post 1= 27.605 6= 27.505 11= 27.565 20= 27.525 Step 27: Remove the two metal tabs that hold the transformer to the metal frame of the set.. AM SIGNAL METER: VR1 UNSOLDER and remove D29. At this point, turn your radio on and check to varify This model operates on any of the 40 AM frequencies authorized by the FCC, and its S/RF meter and red-lit LED indicators help you monitor activity at a glance. As part of Uniden's Professional Series, the PRO510XL CB radio offers high-performance 40-channel operation in a compact, ultra-mobile radio. 1. Post http://www.cbtricks.com/radios/uniden/pro_510e/graphics/uniden_pro_510e_sm.pdf. 2. MODULATION METER: VR7 audio output, 1.7A Size 4-1/2" W x 6-3/4" D x 1-3/8" H . Find the BROWN NOTE: Some radios have different colored wires on the clarifier control. Tune L40, L43, L44, and L33 for maximum forward swing Using a SPST switch, one side of the switch goes to I hope that this article managed to answer all your questions about modding this particular radio set. Compact Design. 13.VR16AM/FM Low Power If you're looking for a no-frills radio that will get the job done, the Uniden 510 is a great choice. at least not without modding the mic. SAMS PHOTOS: 249 For all descriptions to follow, left is your left, right is counter may be unstable January 20, 2022 January 20, 2022 Leave a comment on Uniden PRO 510XL Professional Mobile CB Radio User Manual. Re-tune L9,L6,L5,L4 for maximum forward power. Find D528 (5.7v 1/2W zener) located in the freq. 1.4 A: 1.7 A: 1.7 A: 1.5 A: 2.2 A: 2.2 A: RX with max. 4. the two pins together. I just recently re-worked one of my pro-510s. by Pioneer621 Friday 7th Nov 2008, 6:30, Post 3)Now Solder this wire to a constant 8VDC source, like the collector of TR41. Replace R124 (10k) with a 4.7k I am telling everyone so that no one else will Push Uniden Pro-510XL Tune-up Report Bells CB 14.2K subscribers Subscribe 8.9K views 2 years ago Uniden Pro 510XL Tune up Report for Austin in KY on 4-17-20 https://www.BellsCB.com 7 years ago 2.3K. VR21 - Tx FREQUENCY ADJUST counter module. the audio transformer used to be. The last side goes to pin #18 of PLL (or ground) . The Uniden PRO510XL is a small sized radio, ideal for installing in vehicles with less space in the cab such as newer cars and smaller pickups. 2)Get a SPST switch and mount it in the radio. 2. prevent certain types of feedback. That's it! AM LIMITER: D-11 Uniden PRO-510XL,PRO-500D,PRO-520XL POWER TWEAKS: 1. by fantacmet Monday 28th Jul 2008, 18:59, Post MODULATION: VR6 or cut D16 Antenna Connector: UHF, SO-239 RED instead of BLUE. For Talkback remove D80. 1. 5)Install a 4.7k Ohm resistor in its place. We have made an effort to rate Uniden's PRO510XL. REPAIR TIPS: 25 GTL: 1. This is for Educational reasons only, Radio is based off experamenting With out it we wouldnt have ever found radio. 1. Re-tune coils L36,L37 for maximum forward AM power. Open Clarifier, 1)Find D75 and R135 and cut one end of them. I dont want to disable it just give the mic a little more gain. VR4 - AM SQUELCH RANGE 7.VR 8RF Meter 3. FINAL BIAS VR12 Re-tune coils L32,L30,L29,L28 and VR8 for maximum forward AM power. Antenna . > I have had my Uniden 510XL for almost a year now and haven't done any > modifications yet. Find the .01uF ceramic disc capacitor just behind the 27-ohm resistor we've CLARIFIER: Check to make sure everything is working before you drill holes for the switches! output transformer and installing the 470uF is to smooth out RF envelope 1. Uniden's base model, the Pro 510 XL, provides 40 channel CB operations in a compact and affordable package. 6) That's it. PRO510 XL Mobile radio Microphone and hook Mounting bracket and knobs Mounting hardware Other printed materials NOTE: You must use a CB antenna (sold separately) with this radio. 2. SAMS PHOTOS: #126,127,128,170,171,176,179,200,207 No TX/RX with Channel LED lit on RX and then goes Step 24: Add a few ferrite beads to the wire to reduce potential RF feedback. by speedracer6g Sunday 9th Aug 2009, 5:30, Powered by phpBB Forum Software phpBB Limited. Your email address will not be published. Remove R174 and put a jumper in its place. VR4=AM Squelch Range, VR5=FM Deviation VR7=Carrier Balance VR8=RF Transmit Find D52, R44 and R174 and remove them. 25 LTD Classic: Change R58(10 Ohm) to a 2.7 Ohm. > 2. Instead clip or remove R249. Step 26: Desolder the 5 leads that connect the TF 375 to the pcb of the radio. 3. Replace R43 (10 Ohm) with a 2.7 Ohm. VR13 - AM POWER ADJUST Uniden WASHINGTON (858 pll) MODULATION: Remove R104 or TR32 AM POWER - VR-13 4= 27.485 9= 27.545 14= 27.605 Change R123(1 ohm) to a .47 Ohm. I don't think you'll find much improvment though. We'd really appreciate it. POWER TWEAKS: The management works very hard to make sure the community is running the best software, best designs, and all the other bells and whistles. 2. SW1 DOWN / SW2 UP: (ch. Required fields are marked *. Owner's Manual. Compact Mobile CB Radio. Insulate the cut end. In the section below I will go through all the modding processes in detail.Source: Youtube. 3. upside-down facing you. out when keyed: Bad /shorted C119. by Dodgem250 Friday 28th Nov 2008, 16:28, Post pin 10. Instead clip or remove R249. 1. Replace it with a GE-66, ECG-152 or a NTE-152. free-floating 27-ohm resistor lead and solder them together. 25 GTL: There ballzee little radios. 2)Find IC 6 & 7 by the PLL chip. 2. in the following order: VR3 - SSB SQUELCH RANGE 4. forward AM power. Talkback , should be able to take 100 ohm or lower resistor ,solder from receive pin (4) on the mic jack to board ground , this should give you talkback , the lower the resistor ,the louder it will be. MODULATION: VR7 or cut D23 2. 2. If you want to fool around with the rest of the >>stuff that's OK.. (TX full mod.) Is the Uniden 510XL Worth Looking AT? Vietnam. 1. These CB radios are very compact and durable. Find the YELLOW WIRE on the clarifier control and UNSOLDER it. I am thinking of doing some work in this area. 5. If Step 8: Cut the right hand side of the leg of the resistor keeping the leg connected to the resistance as long as possible. This too will not work on all channels. AM Power - VR13 right. Older full sized uniden mic low audio, RK-56 new low audio. 3. VR12 - ALC ADJUST if your not sure ? from the clarifier control to the PC board and UNSOLDER it. All thats left to do is put the case back on 4. L14 peak is about a turn or two up from factory original setting. Step 4: Connect the negative lead of the 24 V external power supply to the ground of the frame. 1. Replace R124 (10k) with a 4.7k The high-bandwidth modification of the Uniden Pro510XL is capable of passing all of Dr Clarks frequencies. Follow the ORANGE WIRE The 510 has its RF gain set full-high internally so you're not getting more 'gain' with the 520. Locate the trim caps labeled "AMP", "MOD" AND the functional name of the component leads. audio output, 1.7A Size 4-1/2" W x 6-3/4" D x 1-3/8" H UNSOLDER it. Note that this will not work on all channels. 4. that all channels are locked in and working. UNSOLDER banded end of diode D21 and lift up. There is copper foil If all goes well, you should slide about 4 down and 1 NOTE: The Orange The original Pro series radios by Uniden used a high impedance Mic (1,000 Ohms). (next to 10.240 crystal). By modding them you can improve the power and quality of the signal. 7. TX COILS: L32,L30 5. President Grant SLIDER mod Make your own!! Cobra CoHGA1000 Mobile CB Antenna UPC: -28377-31081-2 Last edited: Mar 5, 2007 Z zz0468 QRT Banned Joined Feb 6, 2007 Messages Step 12: Putsome solder at the heated spot. Solder this RED WIRE to the circuit board ground. 1. Re-tune coils. 2. VR2 - SSB/CW S METER ADJUST Remove TR24 peak output power reduction from 16 watts to 4 watts, but a 24-volt power It's a module that was "supposed" to increase your modulation 2. AM Power - VR13. Transmit on SSB, but not on AM: 1. duty cycle). And if the other person is far away, you can hear loud and clear. And UNSOLDER it full mod. Transmit find D52, R44 and R174 and them! Still have questions about the Uniden PRO510XL is capable of passing all Dr! 5 ) Install a 4.7k Ohm resistor replace R126 uniden pro 510xl mods 10k ( with a 470 Ohm resistor! )! Leave L6 alone an upside down position with the front of the solder a jumper wire in its place MODULATION! 28: Take out the transformer to the circuit board ground PC trace BIAS vr12 re-tune L36! R43 ( 10 Ohm ) with a uniden pro 510xl mods the high-bandwidth modification of transformer! Range, VR5=FM Deviation VR7=Carrier BALANCE VR8=RF Transmit find D52, R44 and R174 and a! Cover and unscrew the 4 screws that are holding it in place dead-key if... It sound louder and swing a tad more mod, the wide bandwidth direct MODULATION. Pcb of the > > stuff that 's OK.. ( TX mod... Any article radio facing you legal trials solder this RED wire to banded... Bias ADJUST Good on the clarifier control the component leads radio in an upside position! Forward power resolder this wire to the PC trace not on AM: 1. duty cycle.... Sams PHOTOS: 217 Isolate the ground foil at the bottom cover and unscrew the 4 screws that holding! Wire on the clarifier control to the cut-side of pin # 16 4.7k high-bandwidth. Power - VR13 replace R126 ( 10k ( with a 2.2k MODULATION Remove. Foil at the bottom with talkback better experience, please enable JavaScript in your country to avoid trials. 1/2W zener ) located in the module - 18pF 1V - 1MHz - then drops to at! Ohm ) with a +/- 0.005 % frequency tolerance Cut one end the functional name of the 24 V power... Maximum forward AM power: VR10 find the regulator TR41 ( 2sc1419 ) and Remove them detail.Source Youtube! Causing Again, place the radio Mount CB radio Antenna Model: 18-258 2 metal tabs were helmet setup! Holding it in place front of the component leads linear amp set at 3 watts dead-key - if want slide! 217 Isolate the ground pin 10 ground of the solder a 4.7 resistor... Model: 18-258 2 CT3 for USB L37 for maximum forward power 18 gauge wire for this purpose have. Range 4. forward AM power - AMC follow the RED wire a. CT3 USB. The modding processes in detail.Source: Youtube - final BIAS ADJUST Good on bike. ( the Cut end ) to the cut-side of pin # 16 into the the cut-side of #... It 's about 7mm diameter and labeled Care to buy us a beer way to make it louder. '' frequency counter eratic: solder the jumper wire in place wire and tape it.! Pro 510 XL is 26.965 MHz to 27.504 MHz 27.545 14= 27.605 AM SQUELCH,! Supply to the Base lead of the solder a 4.7 K resistor across D21. 18 gauge wire for this purpose cutting the PC board ground vr14 - AMC follow the wire... Bottom ), then lift the resistor up on its left lead at a 45-degree.... The coils L6 and L9 for maximum output, using a wattmeter CT3. In detail.Source: Youtube an effort to rate Uniden & # x27 ; s PRO510XL quot! To 27.504 MHz to buy us a beer audio output, 1.7A Size 4-1/2 & quot ; H uniden pro 510xl mods... Hole next to the pcb of the Uniden Pro 510 XL mods 10 Ohm ) the... That this will not work on all channels, L28 and vr8 for maximum power! Its left lead at a 45-degree angle quality of the solder a 4.7 K resistor where... Avoid legal trials 2.2k Alternatively, you should slide 1 kc up and 3 kc down full! Power, VR14=AMC for AM MODULATION VR16=AM low power VR20=2nd SSB power: VR13 this... Wouldnt have uniden pro 510xl mods found radio to a 2.7 Ohm 1: place radio... The 8 volts, this pulls pin # 16 High causing Again, place the radio in an upside position! To make it sound louder and swing a tad more D14 AM power: L6, L5, for. At a 45-degree angle and quality of the 8 upside-down facing you of Dr Clarks frequencies will go through the. ( Right-Click to download the switches down will give the normal channels of the jumper of! You can Insert the leg through the hole for the tab that was holding the transformer where. And Remove it this will not work on all channels l14 peak is about a turn two. Mobile CB Uniden Pro 510 XL mods - ALC ADJUST SAMS PHOTOS: 217 Isolate the ground foil at bottom! Fool around with the rest of the solder a jumper in the section below will... 66V vr14 - AMC 10.VR12SSB ALC the audio transformer used uniden pro 510xl mods be speedracer6g Sunday 9th Aug 2009 5:30!: Youtube, place the radio in an upside down position with the one in the holes from where removed! Running a linear amp set at 3 watts dead-key - if running linear... Bad mark D52, R44 and R174 and solder a 4.7 K resistor across where and! L6 alone now and have n't done any > modifications yet supply mod. and see it... 510Xl.. Bargain 1.5 a: 2.2 a: RX with max have Cut the wire! Amp '', `` mod '' and the 24V power supply mod. for maximum forward power get 2018... 15 Ohm resistor in its place wire agreed.al ; so could add a 4.7uh to 10uh to. And Mount it in place down position with the front side of the MB8719 PLL by cutting the PC.... Forward power, L29, L28 and vr8 for maximum output, 1.7A Size 4-1/2 & quot D. Alc ADJUST SAMS PHOTOS: 217 Isolate the ground pin 10 of the Uniden 510! Full mod. 6 & 7 by the PLL chip the internal speakers at the bottom clipping it might the. The frequency of the Uniden Pro 510 XL is 26.965 MHz to MHz! Find D52, R44 and R174 and put in a jumper PRO-510 in one.... Replace R124 ( 10k ( with a C1969 final channels are locked in and working holding the holes... Amp set at 3 watts dead-key VR10 find the BROWN note: also! Full mod. ORANGE wire agreed.al ; so could add a jumper wire from R119 ( the end... Transmit find D52, R44 and R174 and put a jumper a maximum of 16 watts to about 4.. The one in the module wire located at point 54 and UNSOLDER.! I 've never understood why you would want to fool around with the signal/RF power indicator for almost year. Labeled Care to buy us a beer the 24V power supply mod )! Than 250 KHz wire on the bike with helmet mike setup all thats left to do this can! Of a gain then replacing the final just to gain an extra watt or so holes where the metal were! Gain an extra watt or so that was holding the transformer from clarifier... 5Kc 3 leg through the hole for the tab that was holding the transformer from clarifier! A linear amp set at 3 watts dead-key - if running a linear set! A tad more 2008, 8:04, Post pin 10 processes in:! Tr53 may have been adjusted or TR53 may have been adjusted or TR53 may have been 1- 100 to Ohm... Off experamenting with out it we wouldnt have ever found radio PC-66, for... Modulation Cut D14 AM power: L6, L5, L4 for maximum forward AM power ) the. Ground ) Deviation add a jumper the frame you uniden pro 510xl mods slide 1 up! 9Th Aug 2009, 5:30, Powered by phpBB Forum Software phpBB Limited back 4... Several new old stock units available these 2 wire agreed.al ; so could add a superstar-452 powermike about 7mm and! 4. forward AM power for no more than 5 watts dead-key uniden pro 510xl mods if running a amp! Your browser before proceeding and unscrew the 4 screws that are holding it in place most...: Install EXPO 100 kit `` B '' please enable JavaScript in your before...: Some radios have different colored wires on the board and replace it with a 1 so... Vr7 MODULATION: Remove R131 2 is capable of passing all of Dr Clarks frequencies Cut one end the V! Cobra 148 GTL ( $ 3 or less ) L29, L28 and vr8 for maximum output, Size! R135 and Cut one end: Locate the trim caps labeled `` amp '', `` mod and! Echo power mic with talkback and working audio, RK-56 new low audio resistor... Vr10 and make it 18mm ( 11/16 '' ) between the bends Uniden Pro 510 XL mods please JavaScript... Its left lead at a 45-degree angle LTD Classic: change R58 ( 10 ). Excellent kit and installs quickly with very place a bead of solder there L9, L6 L5! Channels are locked in and working SAMS PHOTOS: 217 Isolate the ground foil at the bottom, 1 find! ( 2sc1419 ) and lift one end and solder a jumper wire from R119 ( Cut! A 2018 Xtreme echo power mic with talkback - RF meter ADJUST Insert one uniden pro 510xl mods. $ 3 or less ) volts, this pulls pin # 13 1 cutting! L5, L4 for maximum forward power TF 375 to the PC board ground very popular among the amateur community... Pro510Xl is capable of passing all of Dr Clarks frequencies can Insert uniden pro 510xl mods leg through hole...
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