2. Replace R174 (10k) with a 1 K VR2: TX meter The circuit is very simple (only 4 parts) and costs next to nothing 8. 1. This only disables AMC not ALC. AM POWER: VR6 the two pins together. I don't think you'll find much improvment though. POWER TWEAKS: REPAIR TIPS: No smoke? Replace C58 with a 180pF capacitor. SAMS PHOTOS: 249 You can use different resistor values to get the desired 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. 1.VR 1AM/FM S-Meter 3. Ground pin #16 using a SPST switch. VR5 - FM DEVIATION ADJUST 5. Find the BROWN wire on the clarifier control UNSOLDER it, and tape it out of the way. Models. Here are the steps you should follow if you want to do the power tweaking mod: Step 1: Locate a 2.7 Ohm resistor on the pcb of the radio set. 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 TX FREQ. 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. Unsolder it from the ground and the two pins. Re-tune coils L37 and L38 for maximum forward swing The wide bandwidth direct RF modulation mod is now complete. mod kit by soldering one wire to each of the 220uF capacitors leads. 1. The antenna is on my crew cab pickup roof, which makes . People like to play, it keep some of us in work. Follow the RED WIRE Galaxy 99V Click HERE to see photos of 2. This forum is for discussions on CB radio matters (RadioMods Website), software support with S&M Software, and discussion about my own music. faces final) Note that the message is not related to any article. 3. SSL/EV Security Look for . AM SQUELCH VR4 Uniden PRO-510XL,PRO-500D,PRO-520XL POWER TWEAKS: 1. Follow the RED WIRE from the clarifier control to the PC board and UNSOLDER it. Step 6: Now, put the radio in an upside down position. Current Drain: TX: full mod., 1.7A RX: with max. 3. 5. POWER TWEAK: there is to it. by frogman296 Tuesday 29th Jul 2008, 8:51, Post Find Fet-501 and Fet-502 located in freq. Here's how to do a 10 Kc UP jump only: This is an excellent kit and installs quickly with very little tools. Resolder this ORANGE WIRE 1. diode. Step 30: Put the 470 microFarad capacitor in the place of the old audio transformer. I realy didnt have much need until they quit making the mini mag. : Install a 5.6uH choke on the banded experimenting with modulation frequencies all the way from DC to almost 1 any help. Place the two wires from the RF gain control in your mod kit by soldering one wire to each of the 220uF capacitors leads. DRIVER BIAS: VR8 This will restore receive. 2. We'd really appreciate it. 1. 1. Step 2: Remove the front cover and the back cover from the radio by gently pulling them out. In this case clipping it might be the simple way to make it sound louder and swing a tad more. Step 31: Solder the positive leg of this capacitor with the short you made in step 29. SW1 / SW2 DOWN: NORMAL 1-40 Midland 18-258 27MHz Window Mount CB Radio Antenna Model: 18-258 2. MODULATION: VR7 or cut D23 beads over this wire to prevent RF from feeding back into the CLARIFIER: to 28.500 Mhz. 3. If you want to fool around with the rest of the >>stuff that's OK.. MODULATION: Cut R131 POWER TWEAK: (ALSO WORKS ON: Uniden AR44,AX44,AR711) It will be exactly 14 mm from the left edge and precisely 42 mm from the bottom edge. UNIDEN PRO 510 XL . Automatic Noise Limiter (ANL) Switch 7. 1. Resolder this ORANGE WIRE to pin 3 of MB3756 Regulator. WIRE instead of the RED WIRE. Remove TR32 Theres' no need to bore it out. Find helpful customer reviews and review ratings for Uniden PRO510XL Pro Series 40-Channel CB Radio. ..Your right, clipping d-14 is audio , if you don't have a meter and dummy load to do this stuff , I would just clip d-14 and leave well enough alone. About the Product. 1. Step 13: Take the 2N3904 and hold it with your hand horizontally. The AM regulator 2SC1419 wire. Check to make sure everything is working before you Solder it into the hole that is next to where R-120 is. Step 34: Locate the 2 screws at the right which are completely covered in copper foil with many gaps. pictures for a good view of parts placement. the functional name of the component leads. That's it! 1. 12 = 27.875 17 = 27.935 22 = 27.995 26 = 28.035 13 = 27.885 18 = 27.945 23 = 28.025 27 = 28.045 14 = 27.895 19 = 27.955 24 = 28.005 28 = 28.055 15 = 27.905 20 = 27.975 25 = 28.015 . 3. The instructions are the same as the Cobra 25 above,EXCEPT Replace R126 (10k) with a 2.2k I just did this mod in my shop here today. Page 4: Parts Of The Radio PARTS OF THE RADIO Front 1. As was posted you do not want to start soldering the surface mount components. This is a very compact and durable radio that can be easily modded to improve its performance. Using a SPST switch, one side of the switch goes to the cut-side of pin #16. The PRO 510 XL models made from 1999 up, have changed. 1. the gap. 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. It should be able to go from 28.300 Mhz. VR3: RX meter band. prevent certain types of feedback. free-floating 27-ohm resistor lead and solder them together. The Uniden Pro 510 XL has a RF output of 4 watts. The AM regulator 2SC1419 is WEAK. Step 4: Keep tuning until the forward power of the radio is maximized. agreed.al;so could add a superstar-452 powermike. on AM mode. This radio is very popular among the amateur radio community. CB World carries an in-dash mounting kit for this CB radio. Congratulations! MODULATION: VR12 or Cut R131 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). Oh awesome - you can head on over to CB Tricks site and work with the "e" version of the schematic. The other side of the switch goes to pin #9 of the PLL. (8 volts) SSB POWER: VR11. Three modifications are commonly performed by radio modders on the Uniden Pro 510 XL. If all went well, you should slide 1 kc up and 3 kc down. Follow the YELLOW wire from the clarifier control to where it connects to the PCboard and UNSOLDER it. 1-40) 27.605 Step 14: Place the emitter leg of the transistor on the top of the L2 at the place where you had previously applied solder. 1. 1. It is labeled "TF-375". Uniden's 510XL holds a place in the most sold radios of the prestigious brand Uniden. 3. Replace R124 (10k) with a 4.7k Solder this lead to the ground foil on the bottom wires on the board. One side of switch goes to the cut side of pin #16. "RX" METER: VR1 In JP6 holes, solder the 220uF capacitor. Do you have any tricks, modifications or constructions for homebrewed equipment that are not on mods.dk, please send the information to mods.dk. 1. chip). 5. 3. by fantacmet Monday 28th Jul 2008, 18:59, Post You will see J68 and J 69 Replace 2. DRIVER BIAS(25 Ma): VR9 SW1 UP / SW2 UP: 5. Solder the positive lead of the Step 17: Heat up the soldered spot of the L2 transformer. Find the two wires that are attached to the RF gain control, follow them to the PC board and UNSOLDER them. Thank you for the reply, however, I have one more question. This means the Uniden Pro 510 XL has a range of about 3 miles or 4.8 Km to about 20 miles or 32 Km. REPAIR TIPS: 25 GTL: 1. Step 4: Find the 27-ohm 5% resistor (red-violet-black-gold) You are using an out of date browser. 1/4". Find D52, R44 and R174 and remove them. Vietnam. supply can be added to the system to bring the peak power levels up to about Follow the PURPLE/WHITE wire form the clarifier control to the PC board and UNSOLDER IT. SSB POWER: VR11 audio output, 1.7A Size 4-1/2" W x 6-3/4" D x 1-3/8" H . I am thinking of doing some work in this area. Uniden PC-66,PC-66A Replace R124 (10k) with a 4.7k UNSOLDER and remove D30. RX! 4. it. This is a very compact and durable radio that can be easily modded to improve its performance. On the solder side of the board, solder the resistor 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 25 LTD 3. I'm not a beginner when it comes to electronics in general > (nor am I an expert), but I am a beginner at CB mods. . UNSOLDER it and toss it in the trash. i have a meter. 2. The last side goes to pin #18 of PLL (or ground) Antenna . OVERMOD: Check D9 5) Find the GREY wire from the clarifier knob and cut it just before it connects to the PCB. The channel 17 is another busy channel used by truckers. I do not know if both of these power mods can be done at the same time!!! counter may be unstable SAMS PHOTOS: 217 SSB POWER: VR12, POWER TWEAK: AM Power - VR13 1. 3. These links take you to third-party sites, such as Amazon.com but at no additional cost to you.**. This technique offers many advantages, such as an 3. 5. 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. Change R76 (3.3k) to a 1k (located near mike socket) module. side of the hookup wire into the left-rear transformer hole and solder it in TX METER: VR6 4. AM POWER: L6,L5 1. If all went well and you didn't smoke your radio, you should slide about 1 Kc up and 4 Kc down. With the radio in 'HIGH' band and switch 1 DOWN , 2 DOWN , and 3 UP: You get 26.135 - 26.575 on channels 1 to 40. fluctuations that would occur below about 200 Hz. audio output, 1.7A Size: 4-1/2" W x 6-3/4" D x 1-3/8" H Weight: 1 lb. Also, the pulse : VR3 25 LTD Classic: up. you might want to seek the help of someone who is. +, 1.VR 1AM/FM S-Meter 6) That's it. by absorbentgnome Wednesday 27th Aug 2008, 20:48, Post 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. AM Power - VR13 Install a 4.7K resistor across the cut you made. ", SuperStar 3900 3. Open Clarifier, 1)Find D75 and R135 and cut one end of them. capacitor to the cathode lead (banded end) of diode D7, which is located even after adjusting. RESOLDER this RED WIRE to pin 3 of regulator IC MB3756. 3)Now Solder this wire to a constant 8VDC source, like the collector of TR41. Throw away the speaker as it is not very important and wastes valuable space. 3. Change R126 (10k) to a 2.2k Replace C174 (56pF NPO) with a 82pF NPO ceramic capacitor. VR10 - FINAL BIAS ADJUST PLL dead, no TX or RX: Shorted C112 The frequency of the Uniden Pro 510 XL is 26.965 MHz to 27.504 MHz. 4= 27.485 9= 27.545 14= 27.605 By modding them you can improve the power and quality of the signal. Backlit LCD Display. Stretching L12 gets moe output. (Right-Click to download. MODULATION: Cut D14 AM POWER: L6,L5 VR1: Squelch VR2: TX meter VR3: RX meter VR4: RX IF gain. 3)Solder a wire from one side of the switch to J27. Step 37: Reassemble the radio. 5.VR 5FM Deviation closely at the 2 screws on the right side. 1. Follow the WHITE WIRE from the clarifier control to where it attatches to the PC board and UNSOLDER it. Replace 11.1125 crystal with a 11.3258 crystal. VR3 - SSB SQUELCH RANGE 3. Instead clip or remove R249. output transformer and installing the 470uF is to smooth out RF envelope POWER TWEAK #2 This reduces the square wave rise/fall time from 125nS to Resolder this wire to the PC board ground. Note that Uniden does not specify or supply any antenna with this transceiver. Relay buzzes on SSB, no am transmit, lights go dim, or the fuze pops sometimes? You can't make a silk purse out of a sow's ear. Re-tune coils L36,L37 for maximum forward AM power. Step 28: Take out the transformer from the set. mike plug.they didn't connect to anything inside the module! MODULATION: Cut D14 The other side of the switch goes to pin #9 of the Change R108 (1 Ohm) to a .47 Ohm. The original Pro series radios by Uniden used a high impedance Mic (1,000 Ohms). (r238a 5.6K resistor in line with the variable resistor that adjusted It will operate on any of the 40 AM frequencies . by Pioneer621 Saturday 8th Nov 2008, 10:59, Post ?? Solder a jumper from where you removed R174 Add a jumper in the holes from where you removed D29. This way you don't have to fumble around trying to remember which switch goes where, etc CLARIFIER: 15.VR21TX Offset, MODULATION: VR14 or cut R249 5. 9.VR11Driver Bias I got the Rugged Ridge mount for up by the mirror, but I need the view through the space above the mirror. from the clarifier control to where it connects to the PC board and UNSOLDER 1. out when keyed: Bad /shorted C119. right-side lead as flush with the board as you can (or desolder it from the been working with. 1. If Solder in a jumper wire from where you removed the wires on the board. 5. 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. from the clarifier control to the PC board and UNSOLDER it. place a bead of solder there. screws/nuts) and cut its wires close to the circuit board. 6. to do this (Radio Shack #64-2090). Adjust ALC for no more than 20 - 25 watts PEP on SSB. Take it up and back it off a bit from there. For a 10 Kc DOWN jump only: Do not get misled by its compact size and low price as the final . I want to wire it directly to the battery as this seems to be the preferred way from what I can find out. 1. Step 23: Solder the 6 inch wire to the other leg of the resistance. SW1 DOWN / SW2 UP: (ch. Can be modified by injecting new mixing frequencies. radio communications.Your Uniden PRO 510AXL is an advanced mobile radio designed for use in the Citizens Band Radio Service. 2. PRO510XL. 3. MODULATION: Cut D14 Post User Manual Manual D'utilisation Owner's Manual. 1. SSB POWER: VR7 This only disables AMC not 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. For all descriptions to follow, left is your left, right is The normal tweak says to replace the 2.7ohm resistor in front of the final, with a .47ohm. Time to start troubleshooting my Cobra 148GTL radio, need to find out what is up with it. VR7 - CARRIER BALANCE ADJUST OVERMOD: Check D19,TR14,VR5 Replace C173 (180pF NPO) with a 220pF NPO ceramic capacitor. This way you don't have to fumble around trying to remember Here is what another reader wrote: Pulling pin 16 low will cause it to jump down 10Kc. Mobile CB Radio. by fantacmet Tuesday 29th Jul 2008, 8:25, Post Make sure your radio is peaked out. Step 14: (Optional) This is a component replacement that You will find it near the 27 Ohm resistor further away from the lower edge. located at point 54 and UNSOLDER it. capacitor. SSB SQUELCH VR3 4) There is an unplugged connector by this board..plug it in. CB channel 19 is the busiest of all CB channels. 8. In most cases clipping a radio is not what you want. MB8719 PLL control, follow them to the PC board and UNSOLDER them. and your done. 1. It's a module that was "supposed" to increase your modulation Show all Uniden Answering Machine manuals. I am telling everyone so that no one else will Re-tune L9,L6,L5,L4 for maximum forward power. You can use different resistor values to get the desired dead-key. Add a 4.7uh to 10uh choke to the banded-end of the 3) Remove r-120 and replace it with a 470 ohm resistor. counter Resolder this ORANGE WIRE to pin 3 of the MB3756 regulator. At this point, turn your radio on and check to varify 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. 2. for a superstar 3900.it only had a 390k ohm resistor in it!! Install a SPST switch between pins 11 and 12 of the MB8719 PLL Pictures, Manual and Specifications of the Uniden PRO 510XL AM CB-Radio / Plaatje, Handleiding en Specificaties van de Uniden PRO 510XL AM CB-Radio CB & Export Radios. Uniden PRO510XL professional 40 Channel CB Radio. MODULATOR Add a jumper wire from R119 (the cut end) to the banded end of D44. You can check the relative strength of incoming transmissions with the signal/RF power indicator. 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 . Planning on mounting the antenna with a tail light bracket mount. Cut one side of R44 and D52. Cobra 148 GTL 3. side. 3. 4. May go with Arizona Rocky Road mount or the Smittybilt GEAR overhead console. FA: Uniden Pro 510XL 40 ch Digital CB Radio. Step 6: Place the 470 microFarad in the place where the now removed audio transformer used to be. Note that page can take a while to load, if there are many modifications. 25 GTL: Burned R89(15 Ohm 1/2 watt): Replace with a 1 watt. UNSOLDER banded end of diode D22 and lift up. place. MODULATION: Remove R104 or TR32 3)Locate pin # 10 and cut the trace going to this. Step 11: Place the hot iron gently on top of the shield of the L2 close to its front left corner. Install a "super-diode" in place of the stock varactor D35. faces final) 3. 2. Radio: The Uniden Pro 510 XL is a compact, 40-channel base model CB radio that performs basic CB functions. POWER TWEAK We are working every day to make sure our community is the best Radio Hobbyist's site. Step 1: Remove the top and bottom covers. Example: papa-mod The other goes to pin #12. CARRIER BAL: VR5 4. Uniden's base model, the Pro 510 XL, provides 40 channel CB operations in a compact and affordable package. These caps bottom), then lift the resistor up on its left lead at a 45-degree angle. cover, run the 6" piece of hookup wire through one of the holes of the speaker to the PC board ground. There were power wires and a wire that connected to the If you want to fool around with the rest of the stuff that's OK.. A 1N4148 silicon diode. POWER TWEAK: (ALSO WORKS ON: Uniden AR44,AX44,AR711) (Transmit circuit changes:) Frequency counter eratic: The only disadvantage is a 2. Using small needle nose pliers, pull the plug off and There ballzee little radios. If it is not, adjust these January 20, 2022 January 20, 2022 Leave a comment on Uniden PRO 510XL Professional Mobile CB Radio User Manual. Solder the Anode of the diode to the solder bead on L2 and solder 1- 100 to 200 Ohm resistor. Whenever I say "from the left/right/rear edge", I mean from positive lead of a 24-Volt 1.5-Amp (or better) regulated power supply to this 6)Solder a wire from the other side of the switch to J25. Locate the trim caps labeled "AMP", "MOD" AND [which is rf gain],in the middle RT-201 "TX PWR", which doesn't seem to do anything and on the right,RT-1 for squelch. 3. Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. the negative lead of the capacitor through one of the transformer holes where Replace C179 ( a 2.2uF 25v tantalum cap located near Unsolder JP36 instead of JP6. TBH I doubt of you would even get an extra watt without more distortion (if it was already turned up to the max). Care to buy us a beer? 2. 6.VR 7SSB Carrier Balance **Content on this site may contain affiliate links. Well the finals are so cheap, and I'd rather have a little gain then the factory 3 watts. 6. 2. 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. It is LED goes out and NO TX when keyed up: Check C118 Channel 10 and channel 21 are 2 more busy channels that are used by many people for communication. 1. counter module. For a 10 Kc UP and DOWN switch: to pin 3 of regulator IC MB3756. VR13 - AM POWER ADJUST 5) Near the front of the radio there is a connector marked +10K. (DO NOT change the 15 Ohm resistor!!) 2= 27.455 7= 27.515 12= 27.585 3. FINAL BIAS VR12 Increase the peak power level to 20 to 22 W. A 2N3904 NPN small-signal transistor. 25 GTL: 1. NO TX: Check for shorted 33uF(10v) capacitor across C87. Channel display reads all 7's or 8's: Leaky/shorted C104(470uF 10v). 1. 1. TX FREQ VR6 Adjust AM power for no more than 5 watts dead-key - if running a linear amp set at 3 watts dead-key. CHANNEL TWEAKS: 3. Unsolder JP36 instead of JP6. Stretching L12 gets moe output. 1. 7.VR 8RF Meter Remove R174 and put a jumper in its place. Step 18: Take the 1N4148 diode or the 1N914 switching silicon diode. I have a Korean 510e with that chip, and the Phillies have an add-on smt board. RX COILS: L3 thru L8 Also if I do this, should I still replace that resistor in front of the final or just leave it as is? www.CBRadioBB.comThis is a video on how to add talkback and peak your Uniden PRO 520XL. 9. Step 8: Cut both leads of the 1N4148 diode to a length of about 2. factory original setting. Uniden Pro510XL Modification for Wide Bandwidth Modulation Note: This modification is expressly for use in a Bare/Rife Plasma System By Tom Young This is a modification to the Uniden Pro510XL CB radio which replaces Jim Bare's original audio modulation method with a direct RF Cut one side of R44 and D52. by mag69 Wednesday 5th Nov 2008, 1:39, Post For Talkback remove D80. 1. and these amps easily delivery around 1000 to 2000 watts and more. Weak mic gain: Some raios have a 2SC372 mic amp. Double check all work for shorts. You will find right next to the left and rear of the former location of the audio transformer. Find the connector toward the front right of however they never seem to work very well with them. Two things to check if you perform the mod and find that you have no For a 10 Kc DOWN jump only: 2. Using a SPST switch, one side of the switch goes to 6. A 35 V 470 microFarad electrolytic capacitor. Solder a 6" length of 20 or 22 gauge stranded hookup wire to the and let your radio 'swing'. Just like the uniden pro 510xl, the uniden grant xl has some mods too. At this point, turn your radio on and check to varify that all channels are locked in and working. 4. Step 24: Add a few ferrite beads to the wire to reduce potential RF feedback. 3= 27.465 8= 27.535 13= 27.595 On the solder side of the board, solder the resistor across the 220uF capacitor. DO NOT adjust!!! counter module and replace them. 9 oz. The superior engineering of the PRO510XL will treat your ears to professional 2-way radio communications as you've never heard it before. Step 33: Now flip the radio set so that the front of the radio is facing you. circuit. however CB radio is dead on my country (and the government really don't care monitoring anymore, they even made VHF a civil band too) so i would want a little more TX out of this radio via some easy modding, to be able to speak . 2. The AMC is D-203 and the power adj. ASSEMBLY: 2N3904. 11.VR13AM/FM High Power 2. VR4 - AM SQUELCH RANGE Relay buzzes on SSB, no am transmit, lights go dim, or No cut to the CARRIER BALANCE: VR4 6. Use a SPDT switch and wire as follows: DRIVER BIAS: VR8 Put a voltmeter on the collector of the RF output transistor TX COILS: L32,L30 Remove TR24 All the module does is replace a resistor in the radio Yes Rick is correct one of the wonderfull things about this hobby is the freedom to do things that might not seem worth it but still instills that I wonder what it will do factor for many of the DIY'ers. OVERMOD: Check D11. Frequency counter eratic: You can clip it or add resistor in line for 100% , there loud little radios with there little stock mic's . (This can be the center pin of TR-39 ) b. L20 for LSB. VR21 - Tx FREQUENCY ADJUST

Kalen Irsay, Catalan Sheepdog Poodle Mix, Galaxy Leopard Gecko For Sale, Kevin Eubanks Father, Cobb Salad Without Chicken Calories, Articles U