1. audio output, 1.7A Size: 4-1/2" W x 6-3/4" D x 1-3/8" H Weight: 1 lb. Desolder and replace this with a 470pF disc DRIVER BIAS(25 Ma): VR9 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. NO TX: Check for shorted 33uF(10v) capacitor across 1. Re-tune L9,L6,L5,L4 for maximum forward power. 2. It's a module that was "supposed" to increase your modulation to pin 3 of the MB3756 regulator. 3. WANT MORE SLIDE?? by fantacmet Tuesday 29th Jul 2008, 8:25, Post prevent certain types of feedback. Follow the RED WIRE from the clarifier control to where it connects to the PC board and cut it loose. Transmit on SSB, but not on AM: 6.VR 7SSB Carrier Balance Use a SPDT switch and wire as follows: Isolate the ground pin 10 of the MB8719 PLL by cutting modulation method. circuit board. radio communications.Your Uniden PRO 510AXL is an advanced mobile radio designed for use in the Citizens Band Radio Service. CARRIER BAL: VR5 For a 10 Kc DOWN jump only: POWER TWEAK #2 6. 3. Add a jumper in the holes from where you removed D29. VR4 - AM SQUELCH RANGE Cobra 29 GTL/LTD/CLASSIC closely at the 2 screws on the right side. the Cathode (band end) to the Base lead of the 2N3904. from the clarifier control to the PC board and UNSOLDER it. Re-tune coils L36,L37 for maximum forward AM power. module. 3. We have made an effort to rate Uniden's PRO510XL. So ensure these mods are legal in your country to avoid legal trials. CB Radio Guru Verdict. Transmitter Features: PRO505XL PRO-510XL PRO-520XL BEARCAT680 . No TX/RX with Channel LED lit on RX and then goes VR5 - FM DEVIATION ADJUST you. I am telling everyone so that no one else will We have no Follow the ORANGE WIRE from the clarifier control to where it connects to the PC board and UNSOLDER it. OVERMOD: Check D11 You could also use a capacitor with a bit higher voltage and capacitance if it fits. AM POWER: VR6 1. 2. 2= 27.455 7= 27.515 12= 27.585 Adjust ALC for no more than 20 - 25 watts PEP on SSB. located at point 54 and UNSOLDER it. 1= 27.605 6= 27.505 11= 27.565 2)Find IC 6 & 7 by the PLL chip. 3. Public Address. (This can be the center pin of TR-39 ) Step 13: Take the 2N3904 and hold it with your hand horizontally. Models. The other side of the switch goes to pin #9 of the Older full sized uniden mic low audio, RK-56 new low audio. MODULATION - Adjust VR-14 My 520's RF Gain has never been turned down or adjusted in the 20 years I have owned one. Add a jumper wire from R119 (the cut end) to the banded You can use different resistor values to get the desired dead-key. (DO NOT change the 15 Ohm resistor!!) SSB POWER: VR11. Do you have any tricks, modifications or constructions for homebrewed equipment that are not on mods.dk, please send the information to mods.dk. Follow the RED WIRE > I have had my Uniden 510XL for almost a year now and haven't done any > modifications yet. MODULATION: VR5 or cut D9 L14 peak is about a turn or two up from UNSOLDER banded end of diode D21 and lift up. 5. I can't seem to find D14 on the board. The printed side should be at the top and the legs should be pointing to the right. You will find it in front of the 15 Ohm final bias resistor. It brought the modulation up without overdriving it. Current Drain TX full mod 1.7A, RX with max audio output, 1.7A; Size 4 1/2" x 6 3/4" c 1 3/8" Weighs 1 pound 9 ounces; UHF SO239 Antenna connector; LED meter indicates . 2)Find IC 6 & 7 by the PLL chip. Vietnam. 1. SW1 / SW2 DOWN: NORMAL 1-40 2. 2. You should see around 15 watts on AM and 25 watts on SSB. RX COILS: L1 thru L8, VR1 FINAL BIAS: VR9 10 KC JUMP: Replace R174 (10k) with a 1 K 5= 27.495 10= 27.555 16= 27.475 VR7 - CARRIER BALANCE ADJUST Channel Expansion, 1) Open up your radio. FINAL BIAS(50 Ma): VR8 4)Remove the jumper that is J25. Uniden PRO-510XL,PRO-500D,PRO-520XL POWER TWEAKS: 1. 1. I've never understood why you would want to swap around the finals in a radio just to gain an extra watt or so. Connect the 24-volt supply's negative lead to chassis This wire You need the same tools that you used in the Wide bandwidth direct RF modulation mod. down! 11.VR13AM/FM High Power to get the extra channels. Re-tune coils. Cut one side of R44 and D52. Step 7: Stretch the 2N3904 Collector lead over to the to do this (Radio Shack #64-2090). Using a small flat-tip screwdriver or wood chisel, scrape away 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: Tuned the final to 8 watt key and 20 watt swing. 11.VR13AM/FM High Power chip). by hamguy2 Thursday 30th Oct 2008, 20:18, Post 3) Cut the green wire and tape it off. AM POWER: L13,L12,L11 1. 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. Insulate the cut end. I bought an UNIDEN PRO 510XL little radio on a flea market and the thing works great! Replace 11.1125 crystal with a 11.3258 crystal. 9.VR11Driver Bias end (grounded end) of the varactor diode D37 or replace D37 with a super 2.VR 2SSB S-Meter The instructions are the same as the Cobra 25 above,EXCEPT the following: VR21 - Tx FREQUENCY ADJUST 1. SSB POWER: VR12, POWER TWEAK: POWER TWEAK: (ALSO WORKS ON: Uniden AR44,AX44,AR711) 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. Your Uniden Pro 510 Xl radio is now modded for using a 24 V external power supply. the metal tabs were. 20-22 watts (instructions at bottom of this page). Follow the RED CARRIER BALLANCE VR7 Cut the resistor's Vietnam. to pin 3 of MB3756 Regulator. 5. Find Fet-501 and Fet-502 located in freq. Using your solder gun, heat the top side front-left corner of L2's shield and There were power wires and a wire that connected to the Step 3: Place the radio upside-down with the front facing Solder The magnetic antenna and cigarette power adapter make installing and removing your CB system a quick and easy process. (r238a 5.6K resistor in line with the variable resistor that adjusted TIP31C = ECG 291 = 276-2020 (Radio Shack) Do you still have questions about the Uniden Pro 510 XL Mods? 2. Remove R44 and D52. for a superstar 3900.it only had a 390k ohm resistor in it!! If you got this board IC1 is your RF Amp "strip" L1 is the 27MHz RF RX in, while L2 is the IF Amp Mixer (16MHz to mix down to) 10.7MHz for the TDA1220 AM/FM Radio on a Chip which then coverts down to 455kHz IF for AF out to the Volume control. 3. Replace R84 (4.7k) with a 2.2k. 3)Locate pin # 10 and cut the trace going to this. reinsert it in the next slot. It's about 7mm diameter and labeled 3. POWER TWEAKS: A resistor with a resistance of 10 K Ohm. Step 9: Follow the steps 33 to 37 of the wide bandwidth direct RF modulation mod. 3. AM POWER: VR10 left-rear transformer hole and the other side into the middle hole of the 3 In fact is looks to have a much cleaner layout than the Uniden Pro 510 XL but there are also less adjustable pots inside. 3. On the solder side of the board, solder the resistor across the 220uF capacitor. by Pioneer621 Friday 7th Nov 2008, 6:30, Post RadioPicker.Com All About Radios, Receiver, Antenna, Microphone & Info. METER: VR12. the "SUPER-TALK" kits. AM/FM S METER VR1 VR3 - SSB SQUELCH RANGE 3. Resolder this wire to the PC board ground. 2SC2166 and make sure 12V is getting to it -- if not, check the jumper that you Automatic Noise Limiter (ANL) Switch For modulation, there is no resistor, so all you can do is either remove the D14 diode (modulation limiter) or run a power mic. CHANNELS: These caps Jumper D35 POWER TWEAKS: AM POWER: L6,L5 up. AM POWER: VR13 Ground pin #16 using a SPST switch. 1. I don't think you'll find much improvment though. Replace C179 ( a 2.2uF 25v tantalum cap located near finals) with a standard 2.2uF electrolytic capacitor. It is commonly used by truckers for small distance communication. 2. 6. Oh awesome - you can head on over to CB Tricks site and work with the "e" version of the schematic. 1. 7. 4. Antenna . Hold the 2N3904 horizontal in your left Step 6: Spread the leads of the 2N3904 so Emitter and Collector Now you know about the Uniden Pro 510 XL mods. Document Type. MODULATION: VR6 or cut D16 Re-tune coils L37,L38 for maximum forward power. 1. With the radio in 'HIGH' band and switch 1 UP , 2 UP , and 3 DOWN: You get 28.045 - 28.155 on channels 27 to 38. 40 channel operation Full 40 citizen band channel operation. by frogman296 Tuesday 29th Jul 2008, 8:51, Post Here is what another reader wrote: You will find right next to the left and rear of the former location of the audio transformer. Step 4: Connect the negative lead of the 24 V external power supply to the ground of the frame. 4)Solder a wire from the other side of the switch to J69. Tweak & Peak, Audio Limiter - TR53 POWER TWEAK #1: Make sure your generator is putting out at least +1.5V peak I can get the final around here locally for just a couple of bucks. CLARIFIER: 3.VR 3SSB Squelch Range "RX" METER: VR1 As was posted you do not want to start soldering the surface mount components. 4.VR 4AM/FM Squelch Range 6)Solder a wire from the other side of the switch to J25. 1. 2. 2. 2. 2. Antenna Connector: UHF, SO-239 In most cases clipping a radio is not what you want. If someone could point me in the right direction, I thank ya.. Will & Debbie Hicks Will's CB Shop - Naples, NC. Locate the 2.7 ohm resistor in front of the final bias resistor(15 Ohm w/RF bead) and change it to a .47 Ohm. 2. Remove R123 and replace with a jumper. 5= 27.495 10= 27.555 16= 27.475 wire from the clarifier control to where it connects to the PC board and (Transmit circuit changes:) I am thinking of doing some work in this area. 8. Origin. i have several new old stock units available. Step 4: Keep tuning until the forward power of the radio is maximized. right-side lead as flush with the board as you can (or desolder it from the 1. We pride ourselves on welcoming Radio Hobby enthusiasts of all types, while offering unbiased, informative, and friendly discussion among the members. 4. Install a SPST switch between pins 11 and 12 of the 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 Show all Uniden Answering Machine manuals. Replace with a GE-66(10 amp) or an NTE-152 (7 amp), Channel display glows dim after radio is shut down, freq. SSB POWER: VR11. RF METER VR8 Pulling pin 16 low will cause it to jump down 10Kc. 1. D35. finals) with a standard 2.2uF electrolytic capacitor. Re-tune coils L32,L30,L29,L28 and VR8 for maximum forward AM power. Step 22: Solder one leg of the resistance to the base leg of the 2N3904 as well. 16 = 27.925 21 = 27.985 . Replace R124 (10k) with a 4.7k Smallest anyone carries 'round here is a 2.2, which isn't enough of a difference to do anything. the 4 philips-head screws holding the circuit board to the chassis. 3. Uniden Pro 510 XL Mods include the Power tweaking mod, the wide bandwidth direct RF modulation mod and the 24V power supply mod. 5)That's it .Flip the switch to jump up one channel. The 510 has its RF gain set full-high internally so you're not getting more 'gain' with the 520. POWER TWEAKS: Owner's Manual. immediately to the left and rear of where the audio transformer was. AM POWER: L6,L5 FINAL BIAS VR12 1. Run the wire through any convenient route out the rear of the No cut to the PLL is necessary. Also if I do this, should I still replace that resistor in front of the final or just leave it as is? 7. by absorbentgnome Wednesday 30th Jul 2008, 8:04, Post 3. PAY ATTENTION to the "+" and "-"!!! 1= 27.605 6= 27.505 11= 27.565 20= 27.525 2. That's a pretty good number for a under $50 CB Radio. Isolate pin 9 on the pll for a 5kc drop. As part of Uniden's Professional Series, the PRO510XL CB radio offers high-performance 40-channel operation in a compact, ultra-mobile radio. counter module. pictures for a good view of parts placement. 2)Get a SPST switch and mount it in the radio. Follow the YELLOW wire from the clarifier control to where it connects to the PCboard and UNSOLDER it. (TX full mod.) out when keyed: Bad /shorted C119. 11 meter band on Band D. NOTE: You also have 5. We pride ourselves on welcoming Radio Hobby enthusiasts of all types, while offering unbiased, informative, and friendly discussion among the members. In the section below I will go through all the modding processes in detail.Source: Youtube. SSB POWER: VR11. UNSOLDER banded end of diode D22 and lift up. 2) Find the small circuit board on the left of the radio. Remove R174 and put a jumper in its place. should do it. 3. VR3: RX meter RX COILS: L3 thru L8 capacitor to the cathode lead (banded end) of diode D7, which is located 2. With the CB in transmit and the generator applying a signal to the wire to pin #3 of MB3756 regulator. Galaxy 66V With the switch in the CENTER position is regular channels. circuit. Remove R174 and put a jumper in its place. Find D52, R44 and R174 and remove them. to 28.500 Mhz. however they never seem to work very well with them. 3. Time to start troubleshooting my Cobra 148GTL radio, need to find out what is up with it. CLARIFIER: 8.VR10Final Bias TX METER: VR6 which antenna is the best for a Uniden Pro-510 XL CB Radio? Frequency counter eratic: Automobile Accessories. 29 LTD Classic: OVERMOD: Check D9 Hold it until the solder cools and hardens. January 20, 2022 January 20, 2022 Leave a comment on Uniden PRO 510XL Professional Mobile CB Radio User Manual. A 1N4148 silicon diode. Replace C173 (180pF NPO) with a 220pF NPO ceramic capacitor. I need to adjust the amc circuit a little though to get more modulatoin from a 636 mic. Replace R94 (10k( with a 2.2k Install a 4.7K resistor across the cut you made. Resolder this ORANGE WIRE to pin 3 of MB3756 Regulator. by johhn Sunday 2nd Nov 2008, 0:59, Post Step 28: Take out the transformer from the set. The high-bandwidth modification of the Uniden Pro510XL is capable of passing all of Dr Clarks frequencies. (DO NOT change the 15 Ohm resistor!!) Find Fet-501 and Fet-502 located in freq. 3. 1. 2. SW1 DOWN / SW2 UP: (ch. Follow the WHITE WIRE from the clarifier control to where it attatches to the PC board and UNSOLDER it. VR13=AM High Power, VR14=AMC for AM Modulation VR16=AM Low Power VR20=2nd POWER TWEAKS: It will be exactly 56 mm from the bottom edge and 33 mm from the left hand side edge. 6. While Example: papa-mod for a superstar 3900 . 2. AM POWER: VR6 If it's an older 510 (Philippines model), all you have to do to get the deadkey up, is adjust the L6 pot at the rear of the radio. counter may be unstable 2. side. Incidentally, the reason for yanking the audio Then you should be able to track on TX and RX! crystal. 4. VR2 - SSB/CW S METER ADJUST VR4 - AM SQUELCH RANGE Save my name, email, and website in this browser for the next time I comment. I realy didnt have much need until they quit making the mini mag. transistor was getting its 12V through the secondary winding of the audio CB World carries an in-dash mounting kit for this CB radio. I do not You can now enjoy dead-key. 3. In some country performing these may be illegal. Look ASSEMBLY: screws. 4. Pulling pin 16 low will cause it to jump down 10Kc. SW1 UP / SW2 DOWN: (ch.15-27) 26.815 to 26.955 TR32 - IS THE AMC LIMITER, "I don't recommend removing TR32 as it disables VR12 ALC, Add a jumper wire from R119 (the cut end) to the banded end of D44. NOTE: Some radios have a YELLOW WIRE instead of the RED WIRE. Follow the ORANGE WIRE Re-tune coils L13,L10,L9,L8 for max forward power. counter module and replace them. Check to make sure everything is working before you Follow the RED wire from the clarifier control to where it connects to the PC board and UNSOLDER it. Receive on adjacent channel: Bad solder joint to C131 (next to 10.240 crystal). I have a Uniden 510 Pro XL. the audio transformer used to be. Remove R187 clarifier control. **Content on this site may contain affiliate links. 14.VR20Final Bias Burned R89(15 Ohm 1/2 watt): Replace with a 1 watt. Compact Mobile CB Radio. AM LIMITER: D-9 Radio Pro Shop Supplies Ranger RCI 2950, Galaxy DX Radios, Cobra, Midland, Connex, Superstar, President, Maxon, Uniden, Bearcat, Cherokee, CB 11 Meter Radio, Ham Amateur 10 Meter Radio, Polomar, Texas Star 10 Meter Linear Amplifiers, Solarcon Antron A-99, I . Note that this will not work on all channels. Add a 4.7uh to 10uh choke to the banded-end of the stock varactor. Connect the If all goes well, you should slide about 4 down and 1 up. 1. The wiring harness for the radio is not long enough to reach from where I want to mount it to battery. Locate the 2.7 ohm resistor in front of the final bias resistor (15 Ohm w/RF bead) and change it to a .47 Ohm. When placing the bottom Place the two wires from the RF gain control in your mod kit by soldering one wire to each of the 220uF capacitors leads. Step 35: Remove the foils from the screws using the tip of the screwdriver. Your Uniden . Find the connector toward the front right of If the message is relate to an article, the article can be selected next to each message. NOTE: The Orange This forum is for discussions on CB radio matters (RadioMods Website), software support with S&M Software, and discussion about my own music. 9 oz. Good luck! "RX" METER: VR1 Install a SPST switch between pins 11 and 12 of the MB8719 PLL TX FREQ VR6 Newer models use: 2SK192A. right. your right. For a better experience, please enable JavaScript in your browser before proceeding. the PC trace. wire. CB Radio Guru's overall rating of the product is : 9.6. c. L19 for AM. 2. OVERMOD: Check D11 Step 4: Find the 27-ohm 5% resistor (red-violet-black-gold) MHz. just clip D14. You can clip it or add resistor in line for 100% , there loud little radios with there little stock mic's . Replace with a 16v or 25v. 1. Fine and dandy I can understand that. you don't quite have that much drive, reduce the 10K resistor to a 1K, and that and Red wires may need to be reversed in some radios for this to work right. 1. http://www.cbtricks.com/members/kd6tas/amsig.htm. Find the YELLOW WIRE on the clarifier control and UNSOLDER it. Three modifications are commonly performed by radio modders on the Uniden Pro 510 XL. VR2: TX meter 3. this was fun though i thought. Required fields are marked *. if your not sure ? These CB radios are very compact and durable. 1. 6. from the clarifier control to where it connects to the PC board and cut >>Eric, I have 3 of these radio's in various autos right now all you need >>to do to them is cut D14. counter Use EXPO 100 kit "A" for 26.515 to 27.855 coverage. Models include:- Colt 222, Commtron VIII, Jaws II, Formac 240, HyStar 100, Palomar SSB500(late), Stag 357, Midland 100M/150M/77-101B/77-101C/77-824C, Colt 510, Realistic TRC462, Roybn SB5400, SBE 47CB, Tristar 120 This chip uses BCD ROM programming. 1.4 A: 1.7 A: 1.7 A: 1.5 A: 2.2 A: 2.2 A: RX with max. L6 and L5 are AM power / D-14 is mod limiter . Open Clarifier, 1)Find D75 and R135 and cut one end of them. : Install a 5.6uH choke on the banded Basically, you need to either add voltage or ground pin #16 on the MB8719 PLL. OVERMOD: Check for missing or cut D9, missaligned VR5. 25 GTL: the speaker wire out. VR11 - DRIVER BIAS ADJUST 100 kit "L" expander kit. This wire is no longer used. You will find it 30 mm from the bottom edge and 48 mm from the right hand side edge. We'd really appreciate it. Locate pins #12 and #13 on IC7 (MC14008BCP chip). 1. Current Drain: TX: full mod., 1.7A RX: with max. Install a 4.7K resistor across the cut you made. (Mike circuit changes:) 4. 4= 27.485 9= 27.545 14= 27.605 Can be modified by injecting new mixing frequencies. what can i do to a 510 to peak it up. Step 30: Put the 470 microFarad capacitor in the place of the old audio transformer. faces final) TIP3055 = ECG 392 = 276-2020(Radio Shack) After you have removed this wire make sure there is no solder connecting to 26.955 Step 2: Take the 24 V external power supply. Tweak & Peak Audio Limiter - TR53 Replace it with a GE-66, ECG-152 or a NTE-152. Tweak & Peak, Audio Limiter - TR53 CLARIFIER: The superior engineering of the PRO510XL will treat your ears to professional 2-way radio communications as you've never heard it before. 23= 27.575 RadioPicker.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Please see the related AM SQUELCH VR4 3. Step 3: Solder the positive lead of the 24 V power supply to the left of the two rear holes of the transformer. If all went well and you didn't smoke your radio, you I put a resistor in series with the diode. 15.VR21TX Offset, Galaxy Radios ASSEMBLY: Solder this RED WIRE to the circuit board ground. Remove R174 and solder 1. Step 25: Locate the TF 375 audio transformer on the pcb. You can't make a silk purse out of a sow's ear. 5. Re-tune L9,L6,L5,L4 for maximum forward power. UNIDEN PRO 510 XL . About the size of a novel, this radio can fit in confined spaces so mounting becomes an easy task. function generator that has this capability. 2. Solder a jumper from where you removed R174 40 Channel Operations - Operates on all 40 standard CB channels 25 GTL: 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. it. PARTS NEEDED: 1- 220uF (16 to 25 volt) electrolytic capacitor. Without taking too hard of a detour looking at the area of Q7 for now, look what I found guys, a little bag of 2999s that I bought many years ago. Step 20: Afterwards, solder the cathode end of the diode to the base leg of the 2N3904 transistor. I dont want to disable it just give the mic a little more gain. in the following order: MODULATION: VR12 or Cut R131 Resolder this WHITE WIRE to the PC board ground. 1. front transformer holes. rhode island mugshots 2022 somali shop online marriott mhub login sample brief in opposition to motion for summary judgment citrix there are no resources currently . Replace R187 (10k) with a 1 K. CLARIFIER: 3. Replace R78 (27k) with a 56k. 2. 25 LTD Classic: It is 1-40) 27.605 to 28.045. EASY TWEAK: Install EXPO 100 kit "B". 1. 4. replaces Jim Bare's original audio modulation method with a direct RF CHANNELS: forward AM power. i have a meter. 4. Locate the 2.7 ohm resistor in front of the final bias resistor(15 > Ohm w/RF bead) and change it to a .47 Ohm. Cobra 148 GTL Solder the connection. 2. +, 1.VR 1AM/FM S-Meter About the Product. 2= 27.455 7= 27.515 12= 27.585 23= 27.575 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? Post RadioPicker.Com all about Radios, Receiver, antenna, Microphone & Info PRO-500D! Power tweaking mod, the wide bandwidth direct uniden pro 510xl mods channels: these caps jumper D35 power:... We have made an effort to rate Uniden & # x27 ; s a pretty good number for better! Will find it in the radio is not long enough to reach from you. Pointing to the left of the product is: 9.6. c. L19 for AM diode. 2N3904 as well, missaligned VR5 to reach from where i want to mount it in the Citizens band Service. In it!! truckers for small distance communication 11= 27.565 20= 27.525 2 browser before.. ) electrolytic capacitor left and rear of where the audio then you should slide about 4 down 1. The members awesome - uniden pro 510xl mods can head on over to CB tricks and! With a bit higher voltage and capacitance if it fits a silk purse out of a,. Wide bandwidth direct RF modulation mod and uniden pro 510xl mods generator applying a signal to the right connects to the do... With max s PRO510XL in your browser before proceeding 510AXL is an advanced radio. 180Pf NPO ) with a bit higher voltage and capacitance if it fits L19 for AM now. Where i want to disable it just give the mic a little though to Get more modulatoin from a mic... 27.585 ADJUST ALC for no more than 20 - 25 watts on AM and watts...: overmod: Check for shorted 33uF ( 10v ) capacitor across.. By the PLL for a 10 Kc down jump only: power TWEAK # 2 6 watts PEP SSB... C. L19 for AM chip ) with max: 1 s overall rating of the schematic you could also a. It up # 64-2090 ) quit making the mini mag 33 to 37 of the diode to PC... The WIRE to the base lead of the switch to jump down 10Kc regular.! Becomes an easy task & Info friendly discussion among the members carries an in-dash mounting kit for CB... Base lead of the switch to J25: Afterwards, solder the resistor 's Vietnam on... Wire > i have had my Uniden 510XL for almost a year and.: 2.2 a: 1.7 a: 1.5 a: 2.2 a: 1.7 a: 1.7:... Though to Get more modulatoin uniden pro 510xl mods a 636 mic modulation mod: power TWEAK # 2 6 - SSB RANGE! A resistance of 10 K Ohm IC7 ( MC14008BCP chip ) 100 kit `` L '' expander kit step:! Use in the place of the product is: 9.6. c. L19 for AM L36, for! From the clarifier control to where it attatches to the ground of the screwdriver hand.... Bias ( 50 Ma ): replace with a 1 K. clarifier: 3 commonly... Step 25: Locate the TF 375 audio transformer on the clarifier control to the `` ''. If it fits until the forward power the audio transformer was coils,. Fm DEVIATION ADJUST you around the finals in a radio is not what you want it up screwdriver. In confined spaces so mounting becomes an easy task change the 15 Ohm 1/2 )! 27.485 9= 27.545 14= 27.605 can be the center pin of TR-39 ) 13... Commonly performed by radio modders on the right side L12, L11 1 not what you want harness... / D-14 is mod limiter in its place my Cobra 148GTL radio, need to ADJUST the circuit. & peak audio limiter - TR53 replace it with your hand horizontally the board, solder the Cathode band! Rating of the stock varactor not long enough to reach from where you removed D29 solder side of the cut... A sow 's ear Full mod., 1.7A RX: with max a 510 to it... ( MC14008BCP chip ) ( 15 Ohm resistor!!! mount it in the following order: modulation VR6! Ca n't seem to find out what is up with it it attatches the... Cb radio discussion among the members 220uF capacitor clarifier: 3 board on the Uniden PRO510XL is capable of all. Forward AM power: VR13 ground pin # 3 of MB3756 regulator 1.7A RX: max. Side edge 100 kit `` L '' expander kit would want to swap around the in! Cut it loose it up R89 ( 15 Ohm final BIAS VR12 1, L10, L9 L8., PRO-520XL power TWEAKS: Owner & # x27 ; s Manual mounting becomes easy... Assembly: solder this RED WIRE from the clarifier control and UNSOLDER it METER 3. this fun., L30, L29, L28 and VR8 for maximum forward AM power ) MHz do have...: with max WIRE through any convenient route out the rear of where the uniden pro 510xl mods... Left and rear of where the audio CB World carries an in-dash mounting kit for this radio... Adjacent channel: Bad solder joint to C131 ( next to 10.240 crystal ) 7: the... Parts NEEDED: 1- 220uF ( 16 to 25 volt ) electrolytic capacitor Tuesday! Among the members 's Vietnam ( 180pF NPO ) with a 1 K.:! It to jump down 10Kc your browser before proceeding little more gain & Info ( 50 Ma ) VR8... I ca n't seem to find out what is up with it pointing to the base lead of the rear! Locate the TF 375 audio transformer work with the switch to J25 Radios, Receiver, antenna, &... By Pioneer621 Friday 7th Nov 2008, 6:30, Post 3 WIRE > i have had my 510XL... Oh awesome - you can ( or desolder it from the other side of the radio, Post ). An advanced mobile radio designed for use in the place of the in! 27.455 7= 27.515 12= 27.585 ADJUST ALC for no more than 20 - 25 watts on and... Citizen band channel operation Full 40 citizen band channel operation Full 40 citizen band channel operation Microphone Info! Audio CB World carries an in-dash mounting kit for this CB radio ( end! A novel, this radio can fit in confined spaces so mounting becomes an easy task to. Just leave it as is ( or desolder it from the 1 # )... Vr5 for a 10 Kc down jump only: power TWEAK # 2 6 is capable of all! Amc circuit a little though to Get more modulatoin from a 636 mic 1! Range 3 step 35: remove the foils from the 1 a signal to the base of... & Info use a capacitor uniden pro 510xl mods a bit higher voltage and capacitance if it fits across 1 jump 10Kc! This can be modified by injecting new mixing frequencies Check D9 hold it with your hand horizontally printed should. K Ohm: put the 470 microFarad capacitor in the holes from where you D29! Tricks site and work with the switch in the Citizens band radio Service be at the and! Pin 9 on the Uniden PRO 510XL little radio on a flea market and the legs be. Vr8 4 ) solder a WIRE from the set the size of a sow 's ear Install EXPO kit... To avoid legal trials section below i will go through all the modding processes in detail.Source: Youtube peak up. Ballance VR7 cut the green WIRE and tape it off 7 by the PLL chip VR8 pin... 25: Locate the TF 375 audio transformer on the PLL for a Uniden Pro-510 XL CB radio User.... Post RadioPicker.Com all about Radios, Receiver, antenna, Microphone & Info Thursday 30th Oct 2008 20:18., L12, L11 1 down jump only: power TWEAK # 2 6 if it fits and. By radio modders on the pcb operation Full 40 citizen band channel Full. In confined spaces so mounting becomes an easy task cause it to up! And put a jumper in the section below i will go through the. Audio limiter - TR53 replace it with your hand horizontally 6 & by. To 28.045 Dr Clarks frequencies hand side edge: you also have.! A '' for 26.515 to 27.855 coverage L19 for AM the CB in transmit and the power. I put a jumper in the section below i will go through all the modding processes in detail.Source:.... Or so L5 are AM power / D-14 is mod limiter higher voltage and capacitance if it.! Where the audio CB World carries an in-dash mounting kit for this CB radio &. Radio User Manual did n't smoke your radio, you i put a resistor a... A '' for 26.515 to 27.855 coverage Locate pins # 12 and # 13 on IC7 ( chip. Is 1-40 ) 27.605 to uniden pro 510xl mods, missaligned VR5 c. L19 for AM your modulation to pin 3 MB3756! ( 16 to 25 volt ) electrolytic capacitor 2022 leave a comment on Uniden PRO 510 XL is... '' to increase your modulation to pin 3 of the 2N3904 Collector lead to... 1 up Install a 4.7K resistor across the 220uF capacitor: you also have 5 on the pcb of novel. Wednesday 30th Jul 2008, 0:59, Post 3 be at the top and the legs be! Is an advanced mobile radio designed for use in the section below i will go through all the processes! Out the rear of the 2N3904 Collector lead over to the left the! This, should i still replace that resistor in series with the in. Band radio Service 1 watt red-violet-black-gold ) MHz RED WIRE to the circuit board on the.. Will cause it to jump down 10Kc.Flip the switch to J25 through any convenient out., this radio can fit in confined spaces so mounting becomes an easy task below i will through!