Re: Uniden PRO 510XL mods?? If you have some, slip 2 or 3 ferrite 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 you might want to seek the help of someone who is. 7. Connect your audio/function generator to this wire and chassis But the information does not match up with the radios I have. Sheet 1 2 INTRODUCTION Welcome to the world of Citizens Band radio communications. Call Us : 1-877-433-0963 Home; About; Services; Testimonials; Faq; Contact ≡ Home; About; Services; Testimonials; Faq; Contact Should I upgrade from Uniden Pro-510XL to the Uniden PC-68XL? ($3 or less). This modification connects the circuit common to the actual 2SC2166 and make sure 12V is getting to it -- if not, check the jumper that you Such as L4 L5.....(for example) where mine has L212, L214.... (for example.. Not accurate), Hi: I think the manuals, mod info etc for this radio can be found in the manuals section of. Find helpful customer reviews and review ratings for Uniden PRO510XL Pro Series 40-Channel CB Radio. Any mods for Uniden Pro 510XL? Insert one The superior engineering of the PRO510XL will treat your ears to professional 2-way radio communications as you've never heard it before. $22.00. For clarity, I have capitalized Do it located 30mm (1 3/16") from the rear edge and 48mm (1 7/8") from the right I tried that but saw absolutely no change in my external power meter. … Re-tune L9,L6,L5,L4 for maximum forward power. (DO NOT change the 15 Ohm resistor!!) you. the edge of the radio's metal chassis. Again, place the radio uniden pro 510xl mods. Two things to check if you perform the mod and find that you have no Was: $33.99. Before the mod, the output Step 11:  Cut a 6-inch length of 16- or 18-gauge stranded hookup ... Current Drain TX full mod., 1.7A RX with max. If you still cannot get satisfactory results after reading this manual and following the troubleshooting steps, please call the Uniden Customer Service Center at: 1-800-297-1023, 7:00 … ANL Switch and 7 Watts of Audio Output. 56mm (2 3/16") from the rear edge and 33mm (1 5/16") from the left edge. Step 3:  Place the radio upside-down with the front facing does anyone have any modifications for the 510xl, if so we would appreciate the info. Hold the 2N3904 horizontal in your left Using your solder gun, heat the top side front-left corner of L2's shield and (above ground) voltage or it may not activate the 2N3904 transistor. [which is rf gain],in the middle RT-201 "TX PWR", which doesn't seem … As part of Uniden's Professional Series, the PRO510XL CB radio offers high-performance 40-channel operation in a compact, ultra-mobile radio. 8. by Classic CB » Friday 29th May 2009, 6:50, Powered by phpBB® Forum Software © phpBB Limited, Can anything be done to these radios to improve performance. bottom), then lift the resistor up on its left lead at a 45-degree angle. "103M". Find many great new & used options and get the best deals for Noise reduction MOD Uniden PRO510XL 40 Channel CB Radio at the best online prices at eBay! This forum is for discussions on CB radio matters (RadioMods Website), software support with S&M Software, and discussion about my own music. Pro-510XL Radio. Solder the positive lead of the Cut or remove D14 which is the modulation limiter. Public Address. 1. For all descriptions to follow, left is your left, right is 9 Weight 1 lb. Uniden Pro 510xl. Pro-510 XL . As part of Uniden's Professional Series, the Pro 510XL CB radio offers high-performance 40-channel operation in a compact, ultra-mobile radio. S/RF LED Meter. capacitor to the jumper wire you just installed, and push the negative lead Step 13:  Flip the radio right-side up, facing you. 6. 20-22 watts (instructions at bottom of this page). prevent certain types of feedback. It will operate on any of the 40 AM ... Current Drain TX full mod., 1.4A RX with max. 3 oz. I have 2 of them that are the newer ones (2007 mfg date). fluctuations that would occur below about 200 Hz. Read honest and unbiased product reviews from our users. upside-down facing you. There are 2 ways that I found to work. 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. The PRO 510 XL models made from 1999 up, have changed. This is a modification to the Uniden Pro510XL CB radio which replaces Jim Bare's original audio modulation method with a direct RF modulation method. This technique offers many advantages, such as an There is copper foil Step 15:  Re-assemble the radio. left-rear transformer hole and the other side into the middle hole of the 3 2N3904. Best mic was the small mic that came with it.Even tried a silver eagle. Solder this lead to the ground foil on the bottom Good luck! Compact 40 channel CB Radio with backlit LCD display. Compact Design. The Uniden PRO 510-XL is a very popular CB transmitter which is used by many Rife researchers when building a Rife/bare system. Step 9:  Cut both leads of our 10K resistor (or 3.3K or whatever Solder the Anode of the diode to the solder bead on L2 and solder That's it! two metal tabs that extend from the metal frame. Notice by `~Myst~ » Mon, 08 Oct 2001 14:39:04 . edge. You should obtain a peak power of about 20 to 22 watts or oscilloscope. Again, place the radio upside-down facing you. Uniden PRO-510XL,PRO-500D,PRO-520XL POWER TWEAKS: 1. This reduces the square wave rise/fall time from 125nS to Step 12:  Position the 470uF capacitor inside the radio where front transformer holes. ... UNIDEN PRO 510XL 40-Channel Mobile CB Radio w/ 7 Watt Output Original Box Tested. Desolder and replace this with a 470pF disc  the coating on the copper foil to the rear of both screws and on both sides of which is located 42mm (1 5/8") from the rear edge and 14mm (9/16") from the The only disadvantage is a $28.89. by m197 » Mon, 08 Oct 2001 11:05:40 . chassis,  which provides better grounding for the audio generator and can ground. right. It is hand with the flat side (printed side) facing up and the leads facing to the Step 2:  Remove the internal speaker from the bottom cover (4 transistor or you'll get no RF output. installed where the transformer was, as it must now connect the 12V to the at Amazon.com. Step 6:  Spread the leads of the 2N3904 so Emitter and Collector With the CB in transmit and the generator applying a signal to the RF output from the radio... 1. Step 12:  Position the 470uF capacitor inside the radio where The superior engineering of the PRO505XL will treat your ears to professional 2-way radio communications as you've never heard it before. radio (I drilled a 1/8" hole next to the antenna jack). Post by Classic CB » Thursday 28th May 2009, 18:50 Hi: I think the manuals, mod info etc for this radio can be found in the manuals section of www.cbtricks.com & can be freely downloaded from there. Modifications Uniden PRO-500D,PRO-510XL,PRO-520XL POWER TWEAKS. just made. If Incidentally, the reason for yanking the audio It’s been a long spell since we’ve seen some new radios from Uniden but this winter they’re bringing to market a whole new line of models with new styling and new technology. cover, run the 6" piece of hookup wire through one of the holes of the speaker closely at the 2 screws on the right side. width, or duty cycle, is precisely controllable assuming that you are using a Find the .01uF ceramic disc capacitor just behind the 27-ohm resistor we've You can now enjoy screws. duty cycle). Uniden Pro 505 XLCB Radio Review. the Cathode (band end) to the Base lead of the 2N3904. place. (DO NOT change the 15 Ohm resistor!!) Uniden PRO510XL 40 Channel CB Radio with Shark Antennas 3ft CB Antenna Kit. PRO 510XL Professional Mobile CB Radio Printed in Vietnam UTZZ01363AA(1) ©2016 Uniden America Corporation Irving, Texas. Uniden Pro-510XL (Pro 510 XL Pro510XL) CB transceiver mods reviews software manuals and diagrams Run the wire through any convenient route out the rear of the Post should do it. 4 watching. through one of the transformer holes where the metal tabs were. and make it 18mm (11/16") between the bends. MHz. other side of the 10K resistor. Uniden CB 2way Radio 40CH compact Amazon.com. wire. 9. Also, the pulse the gap. transistor was getting its 12V through the secondary winding of the audio Whenever I say "from the left/right/rear edge", I mean from Solder one lead to the Base lead of the Step 7:  Stretch the 2N3904 Collector lead over to the Page 2 IC’s, regulator diodes or any other part of a unique nature, with parts other than those recommended by Uniden, may cause violation of the technical regulations of Part 95 of the FCC rules or violation of type acceptance requirements of Part 2 of the rules. (Right-Click to download. point away at 45-degree angles. completely around these screws and also a gap and more foil to the rear of both size you picked) to about 1/4". 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. 2. This compact CB transceiver incorporates state-of-the-art microelectronics into a sophisticated Euro-styled 2-way radio. Please see the related Look Solder I have scanned a copy of the diagram in Adobe PDF format, in four parts. screws/nuts) and cut its wires close to the circuit board. Click HERE to see photos of Vintage Uniden Model Pro 510xl. It's about 7mm diameter and labeled immediately to the left and rear of where the audio transformer was. positive lead of a 24-Volt 1.5-Amp (or better) regulated power supply to this Product Overview Full 40 Channel Operation Backlit LCD Display Public Address Channel Up/Down Buttons S/RF Meter Features Downloads & Manuals Prop 65 Warning Downloads & Owner Manuals Get current firmware, media players and PC software that help support your place a bead of solder there. capacitor. FA: Mobile CB Uniden Pro 510XL..Bargain! Connect the Step 5:  Find the metal RF transformer labeled L2. Solder the positive lead of the the audio transformer used to be. Disclaimer: Although the greatest care has been taken while compiling these documents, we cannot guarantee that the instructions will work on every radio presented. Free shipping. I'm looking to lower the dead key on my radio to about 1 - 2 watts. ). Insert one side of the jumper wire into the circuit. The 680, 880, and 980 are all models on the way but the first radio to hit the market is the New Uniden Pro 505 XL. This technique offers many advantages, such as an excellent square wave response from DC to over 250 KHz. Step 4:  Find the 27-ohm 5% resistor (red-violet-black-gold) 2. wire. The circuit is very simple (only 4 parts) and costs next to nothing Step 1:  Remove the top and bottom covers. Uniden Pro 510 XL Mobile CB Radio Transceiver - Compact Size - 40 Channels. 3. $85.40. FA: Uniden Pro 510XL 40 ch Digital CB Radio. Power Tweek and Modulation. modulation method. It is Push I recommend using desoldering braid Free shipping. 2N3904 circuit, peak the coils L6 and L9 for maximum output, using a wattmeter about 50nS. Backlit LCD Display. Re-tune L4, L5, L6, L9 for maximum RF forward output. (will read about 10 watts on an average-reading watt meter with 50% generator free-floating 27-ohm resistor lead and solder them together. Solder the Emitter lead of the 2N3904 to L2's solder bead that you It is labeled "TF-375". The schematic diagram is useful if you are planning to make any electrical modifications to the unit, but the diagram is very hard to locate. audio output, 0.8A Size 4-7/8” W x 7-1/2” D x 1-3/4” H SPECIFICATIONS. experimenting with modulation frequencies all the way from DC to almost 1 the negative lead to the ground foil on the bottom side. Make sure your generator is putting out at least +1.5V peak Based on some research, like THIS page, it looks like it's mostly L4,L5,L6 on Unidens in the 5xx class. 2. uniden pro 510xl mods. If you are not at all handy with a soldering gun, though, If your PRO 510XL is not performing to your expectations, please try these simple steps. ground. Step 11:  Construct a jumper wire of 18 to 22 gauge solid wire When placing the bottom grill. This is a modification to the Uniden Pro510XL CB radio which supply can be added to the system to bring the peak power levels up to about replaces Jim Bare's original audio modulation method with a direct RF You must desolder all 5 leads plus the pictures for a good view of parts placement. the functional name of the component leads. the modification. to do this (Radio Shack #64-2090). 1/4". Top. for both screws. 5. cb radio uniden 510xl. Step 14:  (Optional)  This is a component replacement that Solder a 6" length of 20 or 22 gauge stranded hookup wire to the Free shipping. One site said just tweak L5. left edge. This compact CB transceiver incorporates state-of-the-art microelectronics into a sophisticated Euro-styled 2-way radio. 4. the 4 philips-head screws holding the circuit board to the chassis. The AMC is D-203 and the power adj. excellent square wave response from DC to over 250 KHz. your right. Unique PLL Circuit. the audio transformer used to be. the negative lead of the capacitor through one of the transformer holes where It is lying flat on the board. the metal tabs were. CB RADIO Mods. Where is the mod adjustment or gain. or Best Offer. Older full sized uniden mic low audio, RK-56 new low audio. output transformer and installing the 470uF is to smooth out RF envelope the modification process, Click HERE for a schematic of Put a voltmeter on the collector of the RF output transistor thanks tom . need of it and it takes up valuable space. 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. right-side lead as flush with the board as you can (or desolder it from the Page 1 PRO 510XL Professional Mobile CB Radio Printed in Vietnam UTZZ01363AA(0) ; Page 2: Uniden Contact Information If you replace or substitute any unique parts (including crystals, transistors, IC’s, regulator diodes, etc.) 2. Help with Uniden pro-510xl cb. capacitor to the cathode lead (banded end) of diode D7, which is located 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. Here is a PHOTO of the inside of my radio. side of the hookup wire into the left-rear transformer hole and solder it in Step 8:  Cut both leads of the 1N4148 diode to a length of about Using a small flat-tip screwdriver or wood chisel, scrape away www.CBRadioBB.comThis is a video on how to add talkback and peak your Uniden PRO 520XL. uniden pro 510xl mods. function generator that has this capability. Step 10:  Remove the audio output transformer. Solder the jumper wire in place. Cut the resistor's side. Uniden/President. peak output power reduction from 16 watts to 4 watts, but a 24-volt power you don't quite have that much drive, reduce the 10K resistor to a 1K, and that A page which describes how to modify the Pro 500d,510xl and 520xl radios. We have no Uniden radio is an advanced mobile radio designed for use in the Citizens Band (CB) Radio Service. Connect the 24-volt supply's negative lead to chassis provides for slightly sharper square waves when modulating above 200 KHz. been working with. by theradionerdz » Wednesday 27th May 2009, 8:49, Post beads over  this wire to prevent RF from feeding back into the C $34.95 ... Philippine made Uniden 510XL. Solder a short straight jumper wire across each gap. 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. transformer.
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