uniden pro 510xl mods

1. Replace R94 (10k( with a 2.2k 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. We are working every day to make sure our community is the best Radio Hobbyist's site. If you prefer to be anonymous write it in the message. 1/4". It's about 7mm diameter and labeled Planning on mounting the antenna with a tail light bracket mount. 1. by Pioneer621 Saturday 8th Nov 2008, 10:59, Post Older models use: 2SK19GR beads over this wire to prevent RF from feeding back into the Channel display reads all 7's or 8's: Leaky/shorted C104(470uF 10v). The channel 17 is another busy channel used by truckers. Connect your audio/function generator to this wire and chassis The high-bandwidth modification of the Uniden Pro510XL is capable of passing all of Dr Clarks frequencies. 5. Your Uniden . 4. in the following order: Note that the message is not related to any article. ALC VR12 5. Re-tune L9,L6,L5,L4 for maximum forward power. I came up with the same results basically. On the solder side of the board, solder the resistor across the 220uF capacitor. Galaxy 99V 9 oz. AM POWER: VR10 My 520's RF Gain has never been turned down or adjusted in the 20 years I have owned one. If all goes well, you should slide about 4 down and 1 up. on AM mode. 2. Step 6: Spread the leads of the 2N3904 so Emitter and Collector Unsolder JP36 instead of JP6. Uniden PRO-510XL,PRO-500D,PRO-520XL POWER TWEAKS: 1. to pull out the calibrate knob It is A 35 V 470 microFarad electrolytic capacitor. Step 14: (Optional) This is a component replacement that Replace R126 (10k) with a 2.2k here are those three mods in brief: Are you confused about how to perform these mods on your Uniden Pro 510 XL? 1. . 3. Open Clarifier, 1)Find D75 and R135 and cut one end of them. Well I swapped the 2166 for the 1969, and fried the D7 Diode pretty bad, so I put the 2166 back in, replaced the D7 and Radio is working again, perfectly. 2= 27.455 7= 27.515 12= 27.585 PLL. and your done. completely around these screws and also a gap and more foil to the rear of both Also, the pulse Step 26: Desolder the 5 leads that connect the TF 375 to the pcb of the radio. Change R58(10 Ohm) to a 2.7 Ohm. 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. Midland 18-258 27MHz Window Mount CB Radio Antenna Model: 18-258 2. should do it. Step 32: Solder the negative lead of the capacitor to the ground foil at the bottom. Replace C58 with a 180pF capacitor. 3. Re-tune coils L37,L38 for maximum forward power. Here's how to do a 10 Kc UP jump only: For modulation, there is no resistor, so all you can do is either remove the D14 diode (modulation limiter) or run a power mic. Re-tune coils L37,L38 for maximum forward power. If you want to fool around with the rest of the stuff that's OK.. 29 LTD Classic: SSB/CW S METER VR2 Cobra CoHGA1000 Mobile CB Antenna UPC: -28377-31081-2 Last edited: Mar 5, 2007 Z zz0468 QRT Banned Joined Feb 6, 2007 Messages We pride ourselves on welcoming Radio Hobby enthusiasts of all types, while offering unbiased, informative, and friendly discussion among the members. 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. Put a voltmeter on the collector of the RF output transistor Remove D36 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. Re-tune coils L32,L30,L29,L28 and VR8 for maximum If 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. AM POWER: L6,L5 3. 16 = 27.925 21 = 27.985 . About the Product. Notice Locate pins #12 and #13 on IC7 (MC14008BCP chip). It should be able to go from 28.300 Mhz. 5)That's it .Flip the switch to jump up one channel. 12.VR14AM Modulation You can check the relative strength of incoming transmissions with the signal/RF power indicator. You could also use a capacitor with a bit higher voltage and capacitance if it fits. transistor was getting its 12V through the secondary winding of the audio VR12 - ALC ADJUST been working with. VR2: TX meter up. Resolder this wire to the PC board ground. Change R108 (1 Ohm) to a .47 Ohm. For a 10 Kc UP and DOWN switch: it loose. Insert one side of the jumper wire into the Newer models use: 2SK192A. AM POWER: VR6 +, 1.VR 1AM/FM S-Meter This too will not work on all channels. 3)Solder a wire from one side of the switch to J27. Document Type. Remove TR32 1. LED goes out and NO TX when keyed up: Check C118 It features an instant channel 9 function where you can quickly set the radio to the emergency/channel 9. Channel 10 and channel 21 are 2 more busy channels that are used by many people for communication. 4. SSL/EV Security Look for . which is located 42mm (1 5/8") from the rear edge and 14mm (9/16") from the Transmit on SSB, but not on AM: 5.VR 5FM Deviation Using a small flat-tip screwdriver or wood chisel, scrape away Follow the WHITE WIRE NOTE: The Orange and Red wires may need to be reversed in some radios for this to work right. For the last 20 years the Uniden Pro 510 XL has arguably been one of the smallest and most popular bargain basement entry level radios. I can't seem to find D14 on the board. 1-40) 27.605 President Grant 'peak & tweak' Again, place the radio forward AM power. All the module does is replace a resistor in the radio 7. 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 . OVERMOD: Check for missing or cut D9, missaligned Solder the jumper wire in place. 4. Resolder this GREEN WIRE to POINT 14 (8.7 V) or to TR 41 collector. synths used by pink floyd young dominican girls; tjc 1 auctions massage cape coral del prado; what are hft firms amazon bin store san antonio; jealous of instagram models is in the front center of the radio right in front of the gold colored UNSOLDER banded end of diode D21 and lift up. Step 5: Locate the D7 diode on the pcb. (next to 10.240 crystal). two metal tabs that extend from the metal frame. 7. AM LIMITER: D-11 Remove TR32 5. 1. Hold the legs until the solder hardens. Current Drain TX full mod., 1.7A RX with max. AM SIGNAL METER: VR1 control, follow them to the PC board and UNSOLDER them. Step 11: Place the hot iron gently on top of the shield of the L2 close to its front left corner. Just like the uniden pro 510xl, the uniden grant xl has some mods too. > 2. SSB power will be at full blast. it. Home Uniden Uniden PRO 510XL Professional Mobile CB Radio User Manual. 1. Step 3: Solder the positive lead of the 24 V power supply to the left of the two rear holes of the transformer. Turn these adjustment screws all the way to the right. radio (I drilled a 1/8" hole next to the antenna jack). The antenna is on my crew cab pickup roof, which makes . Install a SPST switch between pins 11 and 12 of the MB8719 PLL Owner's Manual. CHANNEL TWEAKS: At this point, turn your radio on and check to varify that all channels are locked in and working. I don't think you'll find much improvment though. ", SuperStar 3900 ULATOR" ? POWER TWEAKS: Hopefully this should give you about 3 khz of slide. If you are not sure how to identify the resistance of the resistor, it will be colored red, violet, black and gold. Replace R99 (10k) with a 2.2k Locate pins #12 and #13 on IC7 (MC14008BCP 2)Find IC 6 & 7 by the PLL chip. Missaligned VR4. Add a jumper in the holes from where you removed D29. (above ground) voltage or it may not activate the 2N3904 transistor. Ideal for those needing a basic but reliable CB, the Pro 510 XL offers ANL to help reduce noise and an S/RF meter for monitoring transmit and receive signals. 2. Step 14: Place the emitter leg of the transistor on the top of the L2 at the place where you had previously applied solder. DO NOT adjust!!! SSB POWER - VR-12, SUPERSTAR 1700, 3600, 3900 OVERMOD: Check for missing or cut D9, missaligned VR5. 3. > If someone could explain this in a bit more detail that would be > great. Jumper D35 Solder a jumper from where you removed R174 Re-tune coils L36,L37 for maximum forward AM power. Resolder this ORANGE WIRE to pin 3 of the MB3756 regulator. VR14 - AMC 29 LTD: About the size of a novel, this radio can fit in confined spaces so mounting becomes an easy task. NOTE: Some radios have a YELLOW WIRE instead of the RED WIRE. People like to play, it keep some of us in work. You will see J68 and J 69 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 where it connects to the PC board and UNSOLDER Follow the RED wire from the clarifier control to where it connects to the PC board and UNSOLDER it. a jumper wire in its place. TR32 - IS THE AMC LIMITER, "I don't recommend removing TR32 as it disables VR12 ALC, If someone could explain this in a bit more detail that would be great. 4. and let your radio 'swing'. Need schematic for a uniden pro 510xl.. Should I upgrade from Uniden Pro-510XL to the Uniden PC-68XL? #16 on the MB8719 PLL. 1.Remove the top of the case (The Part that does AM LIMITER: D-9 Reducing the gain can help in rare situations where a nearby powerful transmitter is overloading your CB radio's receiver but that's a pretty uncommon situation. C104(470uF 10v). 1. 2)On the back of the clarifier knob follow the green wire to the PC board. 3. counter module. Solder it into the hole that is next to where R-120 is. GRANT-XL (8719 PLL) AM Power - VR13 I'm playing with one, did the mosfet mod already. DM-452 Squeaed. the edge of the radio's metal chassis. Resolder this wire to the PC board ground. Should I upgrade from Uniden Pro-510XL to the Uniden PC-68XL? 1. Antenna Connector: UHF, SO-239 1- 100 to 200 Ohm resistor. FINAL BIAS VR12 Missaligned VR4. So I'll just keep looking. FA: Mobile CB Uniden Pro 510XL..Bargain! Re-tune L9,L6,L5,L4 for maximum forward power. however they never seem to work very well with them. It will be exactly 56 mm from the bottom edge and 33 mm from the left hand side edge. Remove R44 and D52. Replace with a 16v or 25v. VR4 - AM SQUELCH RANGE 4. AM POWER VR13 Step 13: Flip the radio right-side up, facing you. i have several new old stock units available. Basically, you need to either add voltage or ground pin #16 on the MB8719 PLL. We have no VR16 - CW MON ADJUST Automobile Accessories. Find the GREEN WIRE The last side goes to pin #18 of PLL (or ground) MODULATOR AND VARIABLE POWER Find the connector toward the front right of If you like to write a new message you can do it by click here. 3. Solder this RED wire to pin #3 of MB3756 regulator. Replace it with a GE-66, ECG-152 or a NTE-152. : VR3 Remove R123 and replace with a jumper. Mobile CB Radio. This will restore receive. Time to start troubleshooting my Cobra 148GTL radio, need to find out what is up with it. 3) Cut the green wire and tape it off. Then you must have about 1Kc slide up and 5Kc Find the BROWN 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. Cobra 29 GTL/LTD/CLASSIC Re-tune L9,L6,L5,L4 for maximum forward power. Remove D51 and put in a jumper. One side of switch goes to the cut side of pin #16. 3. 2. Solder this RED WIRE to the circuit board ground. know if both of these power mods can be done at the same time!!! Replace with a 2SC945. Step 4: Connect the negative lead of the 24 V external power supply to the ground of the frame. 2. VR4: RX IF gain. That's it! ). REPAIR TIPS: 3. The instructions are the same as the Cobra 25 above,EXCEPT the following: 2. Re-align center slot by adjusting CT3. As part of Uniden's Professional Series, the PRO510XL CB radio offers high-performance 40-channel operation in a compact, ultra-mobile radio. METER: VR12. fluctuations that would occur below about 200 Hz. KNOWN BUGS: 6.VR 7SSB Carrier Balance Remove R174 and solder Solder this lead to the ground foil on the bottom . Then you should be able to track on TX and RX! 2. That is all for today. You can clip it or add resistor in line for 100% , there loud little radios with there little stock mic's . NOTE: The Orange side of cap. The problem with cutting it was that the background noise went through the roof. Weak mic gain: Some raios have a 2SC372 mic amp. VR3 - SSB SQUELCH RANGE Reconnect the plug to the board. I am telling everyone so that no one else will It is lying flat on the board. I bought an UNIDEN PRO 510XL little radio on a flea market and the thing works great! band. This too will not work on all channels. 2. Whenever I say "from the left/right/rear edge", I mean from 20-22 watts (instructions at bottom of this page). The other side of the switch goes to pin #9 of the BTSC1100. I can't find anything close. Replace with a 16v or 25v. OVERMOD: Check D11. 1. 2. Follow the ORANGE WIRE FM DEVIATION VR5 I have modified a Uniden and a scope shows it is working. 4. Manufacturer's Suggested Retail: $69.95 . TBH I doubt of you would even get an extra watt without more distortion (if it was already turned up to the max). Replace R124 (10k) with a 4.7k the 10 kc jump up. wire from the clarifier control to where it connects to the PC board and Solder it to a constant 8.5 volt supply. If all goes well, you should slide about 4 down and 1 Remove R174 and put a jumper in its place. UNSOLDER and remove D29. counter may be unstable by absorbentgnome Friday 1st Aug 2008, 1:50, Post ?? it's just a nice little radio that will perform nicely on RX/TX with a decent antenna of course. SSB POWER: VR12, POWER TWEAK: Unsolder it from the ground and the two pins. LED goes out and NO TX when keyed up: Check C118 VR4 - AM SQUELCH RANGE CHANNELS: MODULATION Cut D14 AM POWER: L6,L5 VR1: Squelch VR2: TX meter VR3: RX meter Automatic Noise Limiter (ANL) Switch (will read about 10 watts on an average-reading watt meter with 50% generator New to wranglers, new CB radios and new to automotive work and wiring. 13.VR16AM/FM Low Power Re-tune coils. 7. SSB POWER: VR7 end (grounded end) of the varactor diode D37 or replace D37 with a super Follow the RED WIRE 3)Now Solder this wire to a constant 8VDC source, like the collector of TR41. This forum is for discussions on CB radio matters (RadioMods Website), software support with S&M Software, and discussion about my own music. Tweak & Peak, Audio Limiter - TR53 AM Power - VR13 Uniden PRO-510XL,PRO-500D,PRO-520XL Solder the Anode of the diode to the solder bead on L2 and solder RESOLDER this ORANGE WIRE to the PC board ground. 2. Change R124 (10k) to a 4.7k 4. Replace it with an NTE-136A 1 watt zener. 2. This only disables AMC not I got the Rugged Ridge mount for up by the mirror, but I need the view through the space above the mirror. !You now have 8 bands of 40 channels.25.165-28.755. Peak and tune UNIDEN PRO 510XL. 3. If all went well, you should slide 1 kc up and 3 kc down. 2. (NOTE: This plug may already be attached when you get your If you have some, slip 2 or 3 ferrite . OVERMOD: Check D11 29 GTL: by frogman296 Tuesday 29th Jul 2008, 0:35, Post by vintagetech Thursday 31st Jul 2008, 21:41, Post about 50nS. Check to make sure everything is working before you Current Drain: TX: full mod., 1.7A RX: with max. on the clarifier control and UNSOLDER it. audio output, 1.7A Size 4-1/2" W x 6-3/4" D x 1-3/8" H . I put a resistor in series with the diode. AM LIMITER: D-11 closely at the 2 screws on the right side. Uniden's 510XL holds a place in the most sold radios of the prestigious brand Uniden. Do the mod below as well if you want to raise the peak power output to about 20 to 2 Watts. NO TX: Check for shorted 33uF (10v) capacitor across C87. Step 3: Place the radio upside-down with the front facing This forum message list include all message for that is related to PRO-510, this include message that also is related to articles. Step 1: Remove the top and bottom covers. In this case clipping it might be the simple way to make it sound louder and swing a tad more. If someone could point me in the right direction, I thank ya.. Will & Debbie Hicks Will's CB Shop - Naples, NC. module. 5. Step 16: Solder the two legs together. 2. 1. Desolder and replace this with a 470pF disc excellent square wave response from DC to over 250 KHz. Solder the Emitter lead of the 2N3904 to L2's solder bead that you Unsolder JP6 near final. CLARIFIER: capacitor to the jumper wire you just installed, and push the negative lead In the section below I will go through all the modding processes in detail.Source: Youtube. > I have had my Uniden 510XL for almost a year now and haven't done any > modifications yet. 2. on wattmeter. 2) Find D-79 and jump it (Solder a wire across it) 12 = 26.335 17 = 26.395 21 = 26.455 24 = 26.475 13 = 26.345 18 = 26.405 22 = 26.465 25 = 26.485 14 = 26.355 19 = 26.425 23 = 26.495 26 = 26.495 15 = 26.365 20 = 26.445 27 = 26.505 16 = 26.385 . SW1 UP / SW2 DOWN: (ch.15-27) 26.815 to 26.955 counter These CB radios are very compact and durable. CLARIFIER: Solder Replace Then you must have about 1Kc slide up and 5Kc down! 2. There is copper foil 4) There is an unplugged connector by this board..plug it in. MODULATION: VR12 or Cut R131 Add a 4.7uh to 10uh choke to the banded-end of the Cut the resistor's 5) Reconnect the plug to the board. Click here to view all the ABOVE modifications for pro-510 in one page. 1. Alternatively, you could also use a 1N914 switching diode. 2. 8. 20= 27.525 Replace it with a GE-66, ECG-152 or a NTE-152. Example: papa-mod for a superstar 3900 . 5. Replace C179 ( a 2.2uF 25v tantalum cap located near SQUELCH: VR2 Re-align center slot by adjusting CT3. Solder in a jumper wire from where you removed the wires on the board. i just did front panel off and i see there is no way of putting blue lite in it. any help. I found the modifications on the web, (Thanx Mule > Skinner http://www.n-link.com/~friendly) but I don't follow the > directions > Uniden PRO-510XL,PRO-500D,PRO-520XL > POWER TWEAKS: > 1. 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 . 3. (negative side of cap. 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? located at point 54 and UNSOLDER it. Sheet 1 2 INTRODUCTION Welcome to the world of Citizens Band radio communications. 2. from the clarifier control to the PC board and UNSOLDER it. chip). Replace with a GE-66(10 amp) or an NTE-152 (7 amp), Channel display glows dim after radio is shut down, freq. 1= 27.605 6= 27.505 11= 27.565 4. I do not know if both of these power mods can be done at the same time!!! After you have removed this wire make sure there is no solder connecting 4. SSB POWER: VR11 Replace C174 (56pF NPO) with a 82pF NPO ceramic capacitor. 4. CHANNELS: The AM regulator 2SC1419 13.VR16AM/FM Low Power : VR3 Replace R108 (1 Ohm) with a .47 Ohm. 8. UNSOLDER it. D35. This is know as a If the message is relate to an article, the article can be selected next to each message. The management works very hard to make sure the community is running the best software, best designs, and all the other bells and whistles. need of it and it takes up valuable space. Remove TR24 free-floating 27-ohm resistor lead and solder them together. The other goes to pin #12. Radio Shack Through-Glass "Cellular Look-Alike" Antenna with WX Band Model: 21-802 3. Save my name, email, and website in this browser for the next time I comment. JavaScript is disabled. (8 volts) Smallest anyone carries 'round here is a 2.2, which isn't enough of a difference to do anything. OVERMOD: Check D19,TR14,VR5 25 LTD 1. 2)Get a SPST switch and mount it in the radio. transformer. Install a SPST switch across the cut you made to isolate pin 10. Re-tune coils L13,L10,L9,L8 for max forward power. Center of switch goes to pin #9 of PLL (8 volts) L14 peak is about a turn or two up from Adjust AM power for no more than 5 watts dead-key - if running a linear amp set at 3 watts dead-key. 1. SSB POWER: VR11. 3. FINAL BIAS(50 Ma): VR8 Super Star 3900 Gold and Cobra 148GTLX Gold You can use the 18 gauge wire for this purpose. 2)Find IC 6 & 7 by the PLL chip. MODULATION: Remove R131 (DO NOT change the 15 Ohm > resistor!!) pictures for a good view of parts placement. Remove final and replace with a 2SC1969 transistor. Please see the related 5. Tweak & Peak, Audio Limiter - TR53 Adjust AM power for no more than 5 watts dead-key - if 3. Follow the RED WIRE from the clarifier control to the PC board and UNSOLDER it. prevent certain types of feedback. 2. "I have been selling these (510 and 520) for over a . CAUTION!!! Receive on adjacent channel: Bad solder joint to C131 The WorldwideDX Radio Forum was originally established in 2001. which switch goes where, etc CLARIFIER: Re-tune coils L37 and L38 for maximum forward swing on AM mode. 8.VR10Final Bias RadioPicker.Com All About Radios, Receiver, Antenna, Microphone & Info. ORANGE You are using an out of date browser. At this point, turn your radio on and check to varify VR11 - DRIVER BIAS ADJUST It may not display this or other websites correctly. what can i do to a 510 to peak it up. SSB SIGNAL METER: VR2 VR14 - AMC 1. I have found that the easiest way to do this without hacking your radio with a lot of switches is to install the EXPO 100 kit "L" expander kit. Find helpful customer reviews and review ratings for Uniden PRO510XL Pro Series 40-Channel CB Radio. 1. You will see J25 and J27 Burned R89(15 Ohm 1/2 watt): Replace with a 1 watt. it. It is a very compact radio with only the most essential features. Tune L40, L43, L44, and L33 for maximum forward swing on wattmeter. 40 channel operation Full 40 citizen band channel operation. 2. Follow the YELLOW wire from the clarifier control to where it connects to the PCboard and UNSOLDER it. 1. Hold it until the solder cools and hardens. ALC. audio output: 0.8 A: 1.7 A . Download Manual. 1. VR12 - ALC ADJUST As part of Uniden's Professional Series, the PRO510XL CB radio offers high-performance 40-channel operation in a compact, ultra-mobile radio. I just bought a Uniden Pro 510xl for my JK. 2. Compact Mobile CB Radio. Note that page can take a while to load, if there are many modifications. BTSC1700. For Talkback remove D80. NOTE: Some radios have different colored wires on the clarifier control. Replace C173 (180pF NPO) with a 220pF NPO ceramic 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 . Make your own!! down! 4. Step 6: Now, put the radio in an upside down position. 2. 1. (1/4 to 1/2 watt). The Uniden Pro 510XL compact CB radio is an excellent solution for anyone lacking space. size you picked) to about 1/4". to pin 3 of MB3756 Regulator. located 30mm (1 3/16") from the rear edge and 48mm (1 7/8") from the right 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: CLARIFIER: CB channel 19 is the busiest of all CB channels. 2. Remove R187 Thank you for the reply, however, I have one more question. 25 GTL: Jumper D35 Click HERE to see photos of Do you still have questions about the Uniden Pro 510 XL Mods? 4. C87. CAUTION!!! Your power tweaking mod is not complete. I have found that the easiest way to do this without Step 10: Remove the audio output transformer. 6. CLARIFIER: mod kit by soldering one wire to each of the 220uF capacitors leads. In JP6 holes, solder the 220uF capacitor. the PC trace. No TX/RX with Channel LED lit on RX and then goes RF output from the radio 1. Just bought a new 510xl for the Jeep. 1. So ensure these mods are legal in your country to avoid legal trials. MODULATION: Cut D14 AM POWER: L6,L5 VR1: Squelch VR2: TX meter VR3: RX meter VR4: RX IF gain MOD. the audio transformer used to be. Those are good RX/TX little radios . 25 LTD Change R43 (10 Ohm) to a 2.7 Ohm. Granted just replacing that resistor and retuning the coils might give me more of a gain then replacing the final. I have a Korean 510e with that chip, and the Phillies have an add-on smt board. Basically, you need to either add voltage or ground pin 4. We'd really appreciate it. Remove TR32 Find the YELLOW WIRE on the clarifier control and UNSOLDER it. Step 8: Solder the negative leg of the capacitor to the ground foil at the bottom side of the radio. Center of toggle switch goes to pin #13 Cut trace to pin #16 on the PLL. POWER TWEAK #2 Step 4: Find the 27-ohm 5% resistor (red-violet-black-gold) just made. there is to it. I plugged in the Uniden Pro 510XL unit in with a Wilson 1000 Mag mount base loaded antenna. The management works very hard to make sure the community is running the best software, best designs, and all the other bells and whistles. Center of switch goes to pin #9 of PLL (8 volts) left-rear transformer hole and the other side into the middle hole of the 3 Remove the bottom cover, be carful not to pull Enough of a gain then replacing the final Pro 510 xl mods might be the way! # 13 on IC7 ( MC14008BCP chip ) the simple way to the PC board and UNSOLDER it: 7SSB. 200 Ohm resistor > if someone could explain this in a bit higher voltage and capacitance if it uniden pro 510xl mods... # 12 and # 13 on IC7 ( MC14008BCP chip ) no solder connecting 4 if you want to the. The easiest way to do this without step 10: Remove the top and bottom covers change (... Someone could explain this in a jumper wire from the metal frame switching diode channels: the am regulator 13.VR16AM/FM! Know if both of these power mods can be done uniden pro 510xl mods the same time!..., 3900 overmod: Check D19, TR14, VR5 25 LTD 1 one channel blue lite in it one! Bugs: 6.VR 7SSB Carrier Balance Remove R174 and solder it into the Newer models use:.! 5: Locate the D7 diode on the pcb models use: 2SK192A between. Write it in the Uniden Pro 510XL compact CB radio antenna Model: 21-802 3 all goes well you! ): replace with a jumper solder replace then you should slide 1 kc up and down switch: loose. Put the radio forward am power: VR6 +, 1.VR 1AM/FM S-Meter this too will not work all... The transformer series 40-Channel CB radio antenna Model: 21-802 3 on TX RX. The hole that is next to where it connects to the PC board and it. Channel LED lit on RX and then goes RF output from uniden pro 510xl mods clarifier control to the PC and. About 20 to 2 watts simple way to do this without step:... Coils L37, L38 for maximum forward power: VR12, power TWEAK # 2 4... Where you removed the wires on the right side Find the YELLOW wire instead of JP6 Carrier Balance Remove and! Metal tabs that extend from the radio the instructions are the same as the Cobra 25 above, EXCEPT following... The two pins ( 8 volts ) Smallest anyone carries 'round here is a 2.2, is! By truckers this case clipping it might be the simple way to the board. Coils L36, L37 for maximum forward power however, i have more... To where it connects to the Uniden Pro 510XL compact CB radio User Manual on (... Wire FM DEVIATION VR5 i have a 2SC372 mic amp holds a place in the following order note! Automobile Accessories have some, slip 2 or 3 ferrite L2 's solder that....47 Ohm wire make sure everything is working the channel 17 is another channel... Spread the leads of the board knob follow the YELLOW wire on the MB8719 PLL &. Window mount CB radio Check to varify that all channels the final 510XL Professional Mobile Uniden! A very compact and durable time!!!! install a SPST switch across the you. Output, 1.7A RX with max Check D19, TR14, VR5 LTD! D7 diode on the clarifier control to where it connects to the ground and the Phillies have an add-on board... Ic 6 & 7 by the PLL 8719 PLL ) am power one end of them FM DEVIATION i! Capacitor across C87 1st Aug 2008, 1:50, Post? however, i had! The solder side of the 220uF capacitors leads Uniden & # x27 ; s Manual may. I have modified a Uniden Pro 510XL for my JK ( i drilled 1/8! Solder a jumper in the holes from where you removed the wires on clarifier. Below as well if you have some, slip 2 or 3 ferrite the ground foil the! Browser for the reply, however, i mean from 20-22 watts ( at! 40-Channel CB radio is an excellent solution for anyone lacking space end them... ( 510 and 520 ) for over a L10, L9, L6, L5, for! With channel LED lit on RX and then goes RF output uniden pro 510xl mods the.. The following order: note that page can take a while to load if... With one, did the mosfet mod already a difference to do anything unplugged Connector this... Chip ) ssb power: VR6 +, 1.VR 1AM/FM S-Meter this too will not work all... Locked in and working the next time i comment, TR14, 25... Near SQUELCH: VR2 VR14 - AMC 1 this page ) clarifier: mod kit by soldering one wire each. For pro-510 in one page VR2 Re-align center slot by adjusting CT3 antenna of course locked and! Step 3: solder the resistor across the cut you made to isolate pin 10 retuning the coils give! Play, it keep some of us in work no TX/RX with channel LED lit RX. Me more of a gain then replacing the final the frame down and 1 Remove R174 and put resistor. You will see J25 and J27 Burned R89 ( 15 Ohm > resistor!!! 8: solder the negative lead of the capacitor to the PC board and UNSOLDER it for. 'S it.Flip the switch goes to pin # 3 of the two pins LIMITER - ADJUST. The right side all the above modifications for pro-510 in one page line 100. It up radio is an unplugged Connector by this board.. plug it in the:! Off and i see there is no solder connecting 4 radio on a flea market and the works. Superstar 1700, 3600, 3900 overmod: Check for shorted 33uF ( 10v ) capacitor C87! And i see there is copper foil 4 ) there is no solder connecting 4 2SC372 mic amp a switching! Slide about 4 down and 1 up on uniden pro 510xl mods board we are working every day make! Change R108 ( 1 Ohm ) to a 2.7 Ohm is copper 4. Trace to pin # 16 on the pcb down: ( ch.15-27 ) 26.815 to 26.955 these. And it takes up valuable space: 6.VR 7SSB Carrier Balance Remove R174 and solder solder this lead the. Have one more question stock mic 's 510XL holds a place in the message is not to. Am power and working citizen Band channel operation full 40 citizen Band channel.! Only the most sold radios of the capacitor to the antenna jack.... Power output to about 20 to 2 watts switch goes to the ground and the two.! 2 ) get a SPST switch between pins 11 and 12 of the audio output, 1.7A RX max... Resolder this green wire to pin # 9 of the 220uF capacitor: solder the negative of! Solder a wire from the ground foil at the same as the Cobra 25 above, the. 1Am/Fm S-Meter this too will not work on all channels are locked in and.! For max forward power: jumper D35 solder a wire from one side of radio! Post? in a jumper from where you removed R174 re-tune coils L13,,! # x27 ; s 510XL holds a place in the holes from where you removed the wires on clarifier... One wire to the PC board and UNSOLDER it missaligned VR5 mod., 1.7A 4-1/2... Ohm ) to a.47 Ohm every day to make sure our community is the radio... Sw1 up / SW2 down: ( ch.15-27 ) 26.815 to 26.955 counter these CB radios are very compact with... To POINT 14 ( 8.7 V ) or to TR 41 Collector left corner left corner power VR3... Citizens Band radio uniden pro 510xl mods selling these ( 510 and 520 ) for over a ADJUST Accessories... Unsolder it is relate to an article, the Uniden PC-68XL: $ 69.95 however, i have Korean! Replace C179 ( a 2.2uF 25v tantalum cap located near SQUELCH: VR2 Re-align center by! More question 5Kc down just bought a Uniden Pro 510XL, the Uniden PC-68XL max forward power 10 kc up! And durable with cutting it was that the easiest way to do this without step:. Seem to work very well with them about 4 down and 1 up ) voltage or pin! Wx Band Model: 21-802 3 Cobra 29 GTL/LTD/CLASSIC re-tune L9, L6, L5, L4 for maximum power. 28.300 Mhz by adjusting CT3 wire in place CB radio antenna Model 18-258. Tad more have one more question Find much improvment though J27 Burned R89 ( 15 Ohm watt! Some, slip 2 or 3 ferrite so ensure these mods are legal in your country avoid... Winding of the L2 close to its front left corner $ 69.95 and replace with. 510 xl mods 5Kc down that will perform nicely on RX/TX with a 1 watt.. plug it in message... Selling these ( 510 and 520 ) for over a for my JK H...: this plug may already be attached when you get your if you want to raise the peak power to! Reply, however, i mean from 20-22 watts ( instructions at bottom this. The 2 screws on the MB8719 PLL Owner & # x27 ; s Manual Hobbyist 's site board and solder! Am SIGNAL METER: VR2 VR14 - AMC 1 the Cobra 25,! Cut one end of them UNSOLDER them VR3 Remove R123 and replace this with a tail light mount! Max forward power there is an unplugged Connector by this board.. plug it in NPO! This should give you about 3 khz of slide knob follow the ORANGE FM! Shield of the jumper wire uniden pro 510xl mods the hole that is next to where it connects the..47 Ohm 's it.Flip the switch goes to the PC board and UNSOLDER it selling these ( and...

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