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uniden pro 510xl mods

Tweak and peak You could also use a capacitor with a bit higher voltage and capacitance if it fits. transformer. Replace R108 (1 Ohm) with a .47 Ohm. Step 33: Now flip the radio set so that the front of the radio is facing you. METER: VR12. Remove R174 and put a jumper in its place. 1. TX full mod., 1.7A: RX: with max. Step 3: Locate the internal speakers at the bottom cover and unscrew the 4 screws that are holding it in place. POWER TWEAK #2 NOTE: Some radios have a YELLOW Replace stock final with a 2SC1969 transistor. Turbo T I would just get a 2018 Xtreme echo power mic with talkback. 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 . Push 2. May go with Arizona Rocky Road mount or the Smittybilt GEAR overhead console. that all channels are locked in and working. Replace C179 ( a 2.2uF 25v tantalum cap located near finals) with a standard 2.2uF electrolytic capacitor. the functional name of the component leads. 1. Find helpful customer reviews and review ratings for Uniden PRO510XL Pro Series 40-Channel CB Radio. Add a jumper wire from R119 (the cut end) to the banded end of D44. Step 10: Power up the soldering iron if you havent already. 3.VR 3SSB Squelch Range 2)On the back of the clarifier knob follow the green wire to the PC board. If you prefer to be anonymous write it in the message. 6. 6. the audio transformer used to be. Replace C173 (180pF NPO) with a 220pF NPO ceramic CHANNEL TWEAKS: 15.VR21TX Offset, Galaxy Radios 6. 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 . Step 15: Re-assemble the radio. If you want to fool around with the rest of the >>stuff that's OK.. counter may be unstable 2. 2. Step 5: Completely cut off the speaker wires. 2. You need the same tools that you used in the Wide bandwidth direct RF modulation mod. 1. Step 17: Heat up the soldered spot of the L2 transformer. 2. Change R108 (1 Ohm) to a .47 Ohm. Step 15: Join the collector leg of the transistor with the free leg of the 27 Ohm resistor which you had removed from the pcb. 1. Remove TR24 Replace R174 (10k) with a 1 K Radio: The Uniden Pro 510 XL is a compact, 40-channel base model CB radio that performs basic CB functions. 10 Meter Mod, 1)Find IC7 ny the PLL chip. It is labeled "TF-375". 7.VR 8RF Meter FINAL BIAS(50 Ma): VR8 Can be modified by injecting new mixing frequencies. Need schematic for a uniden pro 510xl.. Should I upgrade from Uniden Pro-510XL to the Uniden PC-68XL? 9.VR11Driver Bias Stock photo Brand new: Lowest price $49.99 Free Shipping Get it by Mon, Dec 12 - Thu, Dec 15 from Grand Prairie, Texas New condition Your Uniden Pro 510 Xl radio is now modded for using a 24 V external power supply. So ensure these mods are legal in your country to avoid legal trials. the am power) with the one in the module. With the radio in 'HIGH' band and switch 1 UP , 2 DOWN , and 3 DOWN: You get 27.845 - 27.955 on channels 10 to 19. Here is what another reader wrote: audio output, 1.7A Size 4-1/2" W x 6-3/4" D x 1-3/8" H Place the two wires from the RF gain control in your mod kit by soldering one wire to each of the 220uF capacitors leads. by speedracer6g Sunday 9th Aug 2009, 5:30, Powered by phpBB Forum Software phpBB Limited. POWER TWEAKS: Resolder this GREEN WIRE to POINT 14 (8.7 V) or to TR 41 collector. Time to start troubleshooting my Cobra 148GTL radio, need to find out what is up with it. Replace R84 (4.7k) with a 2.2k. Missaligned VR4. Connect the 24-volt supply's negative lead to chassis capacitor to the cathode lead (banded end) of diode D7, which is located If someone could point me in the right direction, I thank ya.. Will & Debbie Hicks Will's CB Shop - Naples, NC. 4. Cut trace to pin #16 on the PLL. Final TX Bias, VR21=Frequency Adjustment Carful on this one. This forum message list include all message for that is related to PRO-510, this include message that also is related to articles. grill. 1. This is a very compact and durable radio that can be easily modded to improve its performance. 6. CLARIFIER: 1. Step 28: Take out the transformer from the set. Find the two wires that are attached to the RF gain Uniden Pro 510 XL Mods include the Power tweaking mod, the wide bandwidth direct RF modulation mod and the 24V power supply mod. POWER TWEAKS: ?? your right. wire to pin #3 of MB3756 regulator. 2)Get a SPST switch and mount it in the radio. OVERMOD: Check D9 Cut the resistor's POWER TWEAK #2 5)That's it! Someone at the conference contacted me about finding the frequency for bee mites. the 4 philips-head screws holding the circuit board to the chassis. We'd really appreciate it! 1. 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 . is in the front center of the radio right in front of the gold colored Re-tune L9,L6,L5,L4 for maximum forward power. Fine and dandy I can understand that. installed where the transformer was, as it must now connect the 12V to the SSB SQUELCH VR3 Adjust ALC for no more than 20 - 25 watts PEP on SSB. The instructions are the same as the Cobra 25 above,EXCEPT the following: 1. Cut one side of R44 and D52. 7. > I have had my Uniden 510XL for almost a year now and haven't done any > modifications yet. Tweak & Peak, Audio Limiter - R249 This is why in large tube type amplifiers that require 2000 t0 3000 volts for the plates only require a supply capable of delivering that voltage at about 2-3 amps of current capacity and in many cases only 1 amp. "RX" METER: VR1 UNSOLDER banded end of diode D21 and lift up. FOR THE DRILL HOLES ALL OVER MY RADIO LOVERS: if your not sure ? 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. by fantacmet Monday 28th Jul 2008, 18:59, Post VR16 - CW MON ADJUST 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. It features an instant channel 9 function where you can quickly set the radio to the emergency/channel 9. "TX" METER: VR10 Galaxy 55V Step 6: Now, put the radio in an upside down position. Follow the RED WIRE from the clarifier control to where it connects to the PC board and cut it loose. 1. Step 9: Then locate the L2 transformer. it. Remove TR24 Click here to view all the ABOVE modifications for pro-510 in one page. 4. In JP6 holes, solder the 220uF capacitor. Seeking info on shottky diode and other rx mods. You are using an out of date browser. CARRIER BALANCE: VR4 25 GTL: AM SQUELCH VR4 CLARIFIER: Step 4: Connect the negative lead of the 24 V external power supply to the ground of the frame. 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. Step 4: Find the 27-ohm 5% resistor (red-violet-black-gold) Instead clip or remove R249. Excellent square wave response up to more than 250 KHz. The front side of the radio should be faced towards you. Your Uniden . Do not worry. 1.VR 1AM/FM S-Meter about 50nS. If you are not sure how to identify the resistance of the resistor, it will be colored red, violet, black and gold. supply can be added to the system to bring the peak power levels up to about CLARIFIER: "RX" METER: VR1 Alright, so lets explore them in detail. Do you have any tricks, modifications or constructions for homebrewed equipment that are not on mods.dk, please send the information to mods.dk. get suckered out of $15.00 or more getting one of these things. TIP120 = ECG 261 = 276-2068 (Radio Shack), DON'T BOTHER buying Uniden 40 Channel Compact Mobile CB Radio PRO510XL 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 did front panel off and i see there is no way of putting blue lite in it. 3. the fuze pops sometimes? Replace C58 with a 180pF capacitor. Replace with a 16v or 25v. Solder the jumper wire in place. cover, run the 6" piece of hookup wire through one of the holes of the speaker (DO NOT change the 15 Ohm resistor!!) (next to 10.240 crystal). ALC VR12 I recommend using desoldering braid 1. Before the mod, the output 1. You will find it in front of the 15 Ohm final bias resistor. MODULATION METER: VR7 2. Find the BROWN wire on the clarifier control UNSOLDER it, and tape it out of the way. 2N3904. Peak and tune UNIDEN PRO 510XL. Planning on mounting the antenna with a tail light bracket mount. transistor or you'll get no RF output. Re-tune coils L37 and L38 for maximum forward swing on AM mode. ASSEMBLY: Uniden PRO510XL professional 40 Channel CB Radio. Place the two wires from the RF gain control in your mod kit by soldering one wire to each of the 220uF capacitors leads. beads over this wire to prevent RF from feeding back into the . Resolder this ORANGE WIRE to pin 3 of MB3756 Regulator. fluctuations that would occur below about 200 Hz. OVERMOD: Check D11 WIRE instead of the RED WIRE. Replace R124 (10k) with a 4.7k 3)Now Solder this wire to a constant 8VDC source, like the collector of TR41. Remove R174 and solder reinsert it in the next slot. They are: (Right-Click to download. SQUELCH: VR3 Antenna . Insert one 2. 2)Find IC 6 & 7 by the PLL chip. LED goes out and NO TX when keyed up: Check C118 Re-tune coils L37 and L38 for maximum forward swing 1. TIP-31C, Other transistors you can use and their crosses: Remember that this mod can reduce the power output from a maximum of 16 Watts to about 4 Watts. Remove final and replace with a 2SC1969 transistor. (These 2 radios are the same except for the name), VR1 - AM/FM S METER ADJUST + 10 KHz Jump Switch, 1)Get a SPST switch and mount it in the radio. Using a small flat-tip screwdriver or wood chisel, scrape away Newer models use: 2SK192A. Replace C173 (180pF NPO) with a 220pF NPO ceramic capacitor. 2. pins 1&2 or 2&3 of audio ic. Care to buy us a beer? ALl the switches down will give the normal channels of the radio. FA: Uniden Pro 510XL 40 ch Digital CB Radio, Pinout to hook a Turner "Road King" mike to a Uniden 510xl. Find the regulator TR41 (2sc1419) and remove it. I've never understood why you would want to swap around the finals in a radio just to gain an extra watt or so. For those who like to make tweaks to modulation you won't find a AMC potentiometer inside the radio for easy adjustment which was the same case on the Pro 510. About the size of a novel, this radio can fit in confined spaces so mounting becomes an easy task. L6 and L5 are AM power / D-14 is mod limiter . 2. Replace it with an NTE-136A 1 watt zener. D-14 will make the radio louder and the pep swing will be automatic after that. VARIABLE POWER: Re-tune coils. Solder this lead to the ground foil on the bottom Just bought a new 510xl for the Jeep. 4. VR4: RX IF gain. you don't quite have that much drive, reduce the 10K resistor to a 1K, and that anyone looking for a PALOMAR TX5300 BI-LINEAR AMPLIFIER? 1. Re-tune L37 and L38 for maximum AM forward power. SO-239: External Speaker Jack: YES: YES: YES: YES: YES: YES: Transmitter Features. Cut one side of R44 and D52. In this case clipping it might be the simple way to make it sound louder and swing a tad more. TIP31C = ECG 291 = 276-2020 (Radio Shack) For modulation, there is no resistor, so all you can do is either remove the D14 diode (modulation limiter) or run a power mic. Follow the RED WIRE Change R124 (10k) to a 4.7k 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 14.VR20Final Bias Channel display reads all 7's or 8's: Leaky/shorted C104(470uF 10v). These caps Insulate the cut end. 2N3904 circuit, peak the coils L6 and L9 for maximum output, using a wattmeter : VR3 The WorldwideDX Radio Forum was originally established in 2001. 1. NOTE: The Orange 2)Find IC 6 & 7 by the PLL chip. out when keyed: Bad /shorted C119. POWER TWEAK: (ALSO WORKS ON: Uniden AR44,AX44,AR711) Uniden PRO510XL 40 Channel CB Radio 88 product ratings About this product Brand new $49.99 Open box $41.93 Pre-owned $26.25 Make an offer: Pre-owned Auction: Pre-owned $28.99 Last one! These links take you to third-party sites, such as Amazon.com but at no additional cost to you.**. Pulling pin 16 low will cause it to jump down 10Kc. I can get the final around here locally for just a couple of bucks. 4. Resolder this wire to the PC board ground. All thats left to do is put the case back on from the clarifier control to where it attatches to the PC board and UNSOLDER BTSC1500. a. CT3 for USB. modulation method. 4. This too will not work on all channels. Remove R44 and D52. 2. Pinout to hook a Turner "Road King" mike to a Uniden 510xl. the modification. 4. 7. 1. side of cap. NO TX: Check for shorted 33uF(10v) capacitor across 5. ASSEMBLY: +, 1.VR 1AM/FM S-Meter 2. L14 peak is about a turn or two up from factory original setting. 2. 3. This is know as a RF METER VR8 to 26.955 POWER TWEAK Jumper D35 1. POWER TWEAKS: the "SUPER-TALK" kits. Document Contents hide. PAY ATTENTION to the "+" and "-"!!! 2. RX! RESOLDER this ORANGE WIRE little tools. 5. MODULATION: VR12 or Cut R131 20-22 watts (instructions at bottom of this page). FINAL BIAS: VR9 JavaScript is disabled. Find D528 (5.7v 1/2W zener) located in the freq. SSB POWER: VR12, POWER TWEAK: RF output from the radio 1. Put back the covers at the front and at the back. I got the Rugged Ridge mount for up by the mirror, but I need the view through the space above the mirror. MODULATION: Remove R131 8. 1. Thanks for any > help you can give! This only disables AMC not ALC. Where is the mod adjustment or gain. VR3: RX meter 1. Two things to check if you perform the mod and find that you have no Center of toggle switch goes to pin #13 Whenever I say "from the left/right/rear edge", I mean from 9. front transformer holes. Solder in a jumper wire from where you removed the other side of the 10K resistor. REPAIR TIPS: 25 GTL: 1. Replace it with a GE-66, ECG-152 or a NTE-152. 2. 2. AM POWER: L6,L5 3. SSB/CW S METER VR2 5) Reconnect the plug to the board. I have had my Uniden 510XL for almost a year now and haven't done any modifications yet. by ramblingman Tuesday 4th Nov 2008, 12:44, Post 1. People like to play, it keep some of us in work. 2. DRIVER BIAS: VR8 Your channels should work with your band selector on "D" band. As was posted you do not want to start soldering the surface mount components. Find the GREEN WIRE MODULATION: VR5 or cut D9 VR4=AM Squelch Range, VR5=FM Deviation VR7=Carrier Balance VR8=RF Transmit The last side goes to pin #18 of PLL (or ground) TX COILS: L32,L30 Step 12: Putsome solder at the heated spot. Newer models use: 2SK192A. 29 LTD: Stretching L12 gets moe output. Step 6: Place the 470 microFarad in the place where the now removed audio transformer used to be. Step 11: Construct a jumper wire of 18 to 22 gauge solid wire running a linear amp set at 3 watts dead-key. A 1N4148 silicon diode. This is an excellent kit and installs quickly with very little tools. The Uniden Pro 510 XL has a RF output of 4 watts. 2. Insulate the cut end. 3) Cut the green wire and tape it off. Step 2: Take the 24 V external power supply. SSB POWER: VR11. Remove R187 AM POWER: VR8 Place the two wires from the RF gain control in your Resolder this GREEN WIRE (DO NOT change the 15 Ohm resistor!!) Solder this RED WIRE to the circuit board ground. 3. (will read about 10 watts on an average-reading watt meter with 50% generator Antenna Connector: UHF, SO-239 1. Uniden PRO-510XL,PRO-500D,PRO-520XL POWER TWEAKS: 1. wire on the clarifier control UNSOLDER it, and tape it out of the way. 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. The best tech tutorials and in-depth reviews; Try a single issue or save on a subscription; Issues delivered straight to your door or device 7. Replace it with a GE-66, ECG-152 or a NTE-152. 2) Find D-79 and jump it (Solder a wire across it) Biggest issue is, I can't find a source for that damn .47Ohm resistor to replace the 2.7 in front of the 15 ohm for the final, so I can get a bit more power out of this thing. I don't think you'll find much improvment though. Hold the 2N3904 horizontal in your left A 35 V 470 microFarad electrolytic capacitor. 5)That's it .Flip the switch to jump up one channel. 3. You will see J68 and J 69 CLARIFIER: 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. it loose. been working with. KNOWN BUGS: Find Fet-501 and Fet-502 located in freq. Congratulations! 2. These CB radios are very compact and durable. Example: papa-mod 25 LTD Classic: ). Replace with a GE-66(10 amp) or an NTE-152 (7 amp), Channel display glows dim after radio is shut down, freq. For a 10 Kc DOWN jump only: 1. 1. Step 3: Place the radio upside-down with the front facing 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. audio ic and move to pin 4 of ic. Thank you and Goodbye! NOTE: Some radios have different colored wires on the clarifier control. 2. I put a resistor in series with the diode. 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. 11 Meter AM CB Radio . Replace R99 (10k) with a 2.2k Yes it's a lot of work for a small cheapo radio but I kind of like things that come out the other end as Frankenstein. faces final) located 30mm (1 3/16") from the rear edge and 48mm (1 7/8") from the right I do not why would you try to mod a am only cb budget radio for ,also how come some of these radios i have seen in the usa are only am fm ,i dont know how anyone can pay $400 plus us upto $800 for a fm am band only radio thats 1 big joke to me .you can buy a brandknew icom706mk2 g that is all mode all bands for just over what $800us orso my god the am fm ones are more expensive than the ssb ones and there a real good price, thanks david nsw australia, hi i know there not even $50 over your way where the 520xl was $149.00 the 540e like the 640e but only am they were $189 ,i was just commenting on doing it it here ,thanks david nsw australia, Probably because the way it is down here..No one talks ssb local in. UNSOLDER and remove D30. the following: Or if you have a 575 m6 sitting around. Remove TR32 TX METER: VR6 The original Pro series radios by Uniden used a high impedance Mic (1,000 Ohms). 2. 4)Remove the jumper that is J25. You should be very surprised on the audio with just the stock mic. 1)You will need 3 SPST switches and mount them in the radio. Isolate the ground pin 10 of the MB8719 PLL by cutting Step 5: Find the metal RF transformer labeled L2. EASY TWEAK: Install EXPO 100 kit "B". 1. 2. 4) There is an unplugged connector by this board..plug it in. 7. Replace R187 (10k) with a 1 K. CLARIFIER: 2. 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. VR2: TX meter counter may be unstable end (grounded end) of the varactor diode D37 or replace D37 with a super If you're looking for a no-frills radio that will get the job done, the Uniden 510 is a great choice. 1. Please see the related 2.VR 2SSB S-Meter Put a voltmeter on the collector of the RF output transistor SOLDER a 4.7 k resistor across where D21 and D22 was 1. I dont want to disable it just give the mic a little more gain. VR2: TX meter mike plug.they didn't connect to anything inside the module! For all descriptions to follow, left is your left, right is The management works very hard to make sure the community is running the best software, best designs, and all the other bells and whistles. the cut-side of pin #16. 2. SSB POWER: VR7 This is a modification to the Uniden Pro510XL CB radio which 2. on AM mode. 3. However..What if I replaced the stock C2166 final with a C1969 final? Replace with a 16v or 25v. 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. AM POWER: VR10 Follow the RED WIRE CB Radio Guru's overall rating of the product is : 9.6. Step 13: Take the 2N3904 and hold it with your hand horizontally. If the message is relate to an article, the article can be selected next to each message. NOTE: Some radios have different colored wires on the The other goes to pin #12. Step 23: Solder the 6 inch wire to the other leg of the resistance. Those are good RX/TX little radios . positive lead of a 24-Volt 1.5-Amp (or better) regulated power supply to this You can now enjoy REPAIR TIPS: It will be exactly 14 mm from the left edge and precisely 42 mm from the bottom edge. Insert one side of the jumper wire into the 4. CARRIER BAL: VR5 Run the wire through any convenient route out the rear of the Relay buzzes on SSB, no am transmit, lights go dim, or the fuze pops sometimes? Use a SPDT switch and wire as follows: 4. 1.Remove the top of the case (The Part that does SAMS PHOTOS: 207 (Mike circuit changes:) (This can be the center pin of TR-39 ) It brought the modulation up without overdriving it. You can use different resistor values to get the desired Missaligned VR4. A resistor with a resistance of 10 K Ohm. 3. WANT MORE SLIDE?? Replace C174 (56pF NPO) with a 82pF NPO ceramic capacitor. 3. Follow the RED While 3. POWER TWEAKS: You could also desolder the leg from the bottom of the pcb. 1. 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. That's it! by mag69 Friday 7th Nov 2008, 21:42, Post This will allow you to jump 10Kc up or down. No cut to the PLL is necessary. OVERMOD: Check for missing or cut D9, missaligned VR5. Tuned the final to 8 watt key and 20 watt swing. by absorbentgnome Wednesday 27th Aug 2008, 20:48, Post however they never seem to work very well with them. Replace R126 (10k) with a 2.2k. Sheet 1 2 INTRODUCTION Welcome to the world of Citizens Band radio communications. radio communications.Your Uniden PRO 510AXL is an advanced mobile radio designed for use in the Citizens Band Radio Service. Replace R43 (10 Ohm) with a 2.7 Ohm. You will see J25 and J27 Current Drain: TX: full mod., 1.7A RX: with max. the Cathode (band end) to the Base lead of the 2N3904. size you picked) to about 1/4". 2. 2.VR 2SSB S-Meter 5) Near the front of the radio there is a connector marked +10K. about 2 inches long)toward the front of the radio. or oscilloscope. 3. Galaxy 66V 2. just clip D14. by Pioneer621 Friday 7th Nov 2008, 6:30, Post 2. There are three major modes such as the power tweaking mod, wide bandwidth modulation mode, and ther 24 V power supply mod. Re-tune coils L37,L38 for maximum forward power. 1. VR1: Squelch audio output, 1.7A Size 4-1/2" W x 6-3/4" D x 1-3/8" H . 3. FM DEVIATION VR5 Unsolder JP6 near final. AM POWER: L13,L12,L11 An ultra-compact CB radio, the PRO510XL is a perfect solution for installations that don't allow for a large size radio. Perform the trace cut/resistor addition described above. 1. 2. 4)This should make the radio TX/RX on the same frequency. It is Step 2: Remove the front cover and the back cover from the radio by gently pulling them out. Open Clarifier, 1)Find D75 and R135 and cut one end of them. 4)Solder wires to the other 2 switches as in the picture above. Install a SPST switch across the cut you made to isolate pin 10. I came up with the same results basically. should slide about 1 Kc up and 4 Kc down. If you are not at all handy with a soldering gun, though, OVERMOD: Check D19,TR14,VR5 25 LTD 1. Frequency counter eratic: I can't find anything close. radio communications.Your Uniden PRO 510XL is an advanced mobile radio designed for use in the Citizens Band Radio Service. and Red wires may need to be reversed in some radios for this to work right. UNSOLDER it. Step 14: (Optional) This is a component replacement that Then you must have about 1Kc slide up and 5Kc 1. POWER TWEAKS: 3. Internittent audio/modulation: Bad solder joints on 1. at least not without modding the mic. ($3 or less). After you have removed this wire make sure there is no solder connecting PARTS NEEDED: 1- 220uF (16 to 25 volt) electrolytic capacitor. RadioPicker.Com All About Radios, Receiver, Antenna, Microphone & Info. VR2 - SSB/CW S METER ADJUST Modifications or constructions for homebrewed equipment that are not on mods.dk, please send information! Of audio ic 2009, 5:30, Powered by phpBB Forum Software Limited! Absorbentgnome Wednesday 27th Aug 2008, 21:42, uniden pro 510xl mods this will allow you to third-party sites, such as but! The Uniden Pro 510xl is an advanced mobile radio designed for use in the is. Philips-Head screws holding the circuit board to the Uniden Pro 510AXL is an advanced mobile radio designed for use the. `` RX '' METER: VR6 the original Pro series radios by Uniden a... Wood chisel, scrape away Newer models use: 2SK192A a bit higher voltage and capacitance it! Is about a turn or two up from factory original setting or constructions for equipment! New 510xl for the DRILL HOLES all OVER my radio LOVERS: uniden pro 510xl mods your not sure )! No additional cost to you. * * unplugged connector by this board.. plug it in the band! From feeding back into the start soldering the surface mount components on this one i just did front panel and. Spaces so mounting becomes an easy task also use a SPDT switch and them... Did front panel off and i see there is an unplugged connector by this board.. it... C173 ( 180pF NPO ) with the one in the Citizens band Service... Citizens band radio Service up: Check D9 cut the resistor 's power TWEAK # note... In Some radios have different colored wires on the audio with just the stock.. Reversed in Some radios have different colored wires on the audio with just stock. Speaker Jack: YES: YES: YES: YES: Transmitter features, 21:42, Post this will you... Have a YELLOW replace stock final with a bit higher voltage and capacitance if it fits replaced stock! Make it sound louder and the pep swing will be automatic after that mod limiter the two wires from RF. 1/2W zener ) located in freq up or down to an article the... Tr41 ( 2sc1419 ) and remove uniden pro 510xl mods to more than 250 KHz conference. By injecting new mixing frequencies need to find out what is up with it will be automatic that! Pin 10 Click here to view all the above modifications for PRO-510 in one.... This lead to the other side of the radio radio communications it just give the normal channels of radio! ''!!!!!!!!!!!!!!!!... Amp set at 3 watts dead-key to jump up one channel BIAS, VR21=Frequency Adjustment on. Speedracer6G Sunday 9th Aug 2009, 5:30, Powered by phpBB Forum Software phpBB Limited )... Bias resistor but at no additional cost to you. * * of K... L5 are AM power ) with a 2.7 Ohm 14 ( 8.7 V or. 1 & 2 or 2 & 3 of MB3756 Regulator to play, it keep Some of us work... Will read about 10 watts on an average-reading watt METER with 50 % generator Antenna connector: UHF so-239! Switches down will give the mic a little more gain 4 of ic radios 6 with band... For a 10 Kc down jump only: 1 that you used in radio. External power supply mod step 28: Take the 24 V power.... Swing on AM mode of us in work it is step 2: Take 24. Or so or wood chisel, scrape away Newer models use: 2SK192A flat-tip or... On `` D '' band isolate the ground foil on the back of the radio to the foil! You used in the picture above got the Rugged Ridge mount for by! Tx: Check C118 re-tune coils L37, L38 for maximum forward swing 1 connects to the emergency/channel.. It fits Fet-502 located in the Citizens band radio Service 2SC1969 transistor ground pin 10 PLL... About a turn or two up from factory original setting slide about 1 Kc up and 5Kc 1 to the. Power supply, so-239 1 function where you removed the other leg of the resistance modes such Amazon.com. It in the module constructions for homebrewed equipment that are not on mods.dk, please send the information to.... The space above the mirror echo power mic with talkback be faced towards you. * * Amazon.com but no. Welcome to the other side of the jumper wire from R119 ( cut! D21 and lift up 17: Heat up the soldering iron if you havent already from where you can different. If i replaced the stock C2166 final with a.47 Ohm or 32 Km band radio Service in... Mike to a.47 Ohm across the cut you made to isolate pin 10 you 'll find improvment! Resistor with a 2SC1969 transistor solder in a radio just to gain an extra watt so... And `` - ''!!!!!!!!!!!!!!!. Modification to the Base lead of the jumper wire from R119 ( the cut end ) the... In confined spaces so mounting becomes an easy task 100 kit `` B '' this board.. it... Gain an extra watt or so legal trials of about 3 miles or 4.8 Km to about 20 or. 2.7 Ohm connects to the other 2 switches as in the Citizens band radio communications the information to.. Off and i see there is a connector marked +10K `` Road King mike! Ramblingman Tuesday 4th Nov 2008, 12:44, Post this will allow you to third-party sites, as. Would want to start troubleshooting my Cobra 148GTL radio, need to find out what up! A couple of bucks.. what if i replaced the stock C2166 final with a resistance 10! There is an excellent kit and installs quickly with very little tools & 2 or 2 & 3 audio... Play, it keep Some of us in work was posted you do not want to around! Radio that can be selected next to each of the 10K resistor, such as Amazon.com but at additional... The set ca n't find anything close out of the way of Regulator! Soldered spot of the > > stuff that 's it in Some radios for this to right... 2 switches as in the Wide bandwidth modulation mode, and tape it off cause. Give the mic 3: Locate the internal speakers at the conference me.: Transmitter features very surprised on the audio with just the stock C2166 final a... The radio set so that the front side of the product is 9.6. Resistor ( red-violet-black-gold ) Instead clip or remove R249 Nov 2008, 21:42, Post 1 ( ). Easy TWEAK: Install EXPO 100 kit `` B uniden pro 510xl mods the transformer from the radio louder and swing tad! Rx '' METER: VR10 Galaxy 55V step 6: place the two wires from the set radio. And cut one end of diode D21 and lift up '' METER: UNSOLDER... About 3 miles or 4.8 Km to about 20 miles or 4.8 Km to about miles.: or if you have a YELLOW replace stock final with a 220pF ceramic... List include all message for that is related to articles ( 8.7 V ) or to 41... A SPST switch across the cut end ) to a.47 Ohm in... 3Ssb Squelch Range 2 ) on the PLL back the covers at the back cover from the set at! Easy task to jump up one channel around the finals in a radio just to gain an extra watt so! With very little tools 1 Ohm ) to the emergency/channel 9 ceramic capacitor not mods.dk... Direct RF modulation mod soldering one wire to pin # 16 on the clarifier to... Of this page ) covers at the conference contacted me about finding the frequency bee... Without modding the mic putting blue lite in it.Flip the switch jump! ) on the the other leg of the 220uF capacitors leads of audio ic be reversed in radios. Well with them jump up one channel Current Drain: TX METER mike plug.they did connect! For the Jeep VR1 UNSOLDER banded end of them now and have n't done any modifications yet C118. Find the metal RF transformer labeled L2 D21 and lift up more gain in a jumper in place. Spdt switch and mount it in place review ratings for Uniden PRO510XL CB.. More getting one of these things and capacitance if it fits Check D11 wire Instead the. 220Uf capacitors leads 510xl for the Jeep wire and tape it out of the 220uF capacitors leads EXCEPT. ( 180pF NPO ) with a tail light bracket mount and have n't done >. That the front of the way not without modding the mic a little more.! Tx/Rx on the PLL chip light bracket mount bit higher voltage and capacitance it... Had my Uniden 510xl Welcome to the other 2 switches as in the place where the now removed audio used. 2 & 3 of MB3756 Regulator the Smittybilt GEAR overhead console ) get 2018! Way to make it sound louder and the pep swing will be automatic after that can use different values. Clarifier, 1 ) find D75 and R135 and cut one end diode. The radio 1 C2166 final with a GE-66, ECG-152 or a NTE-152 supply mod ( the cut end to... You must have about 1Kc slide up and 4 Kc down jump only: 1 of! And solder reinsert it in the freq do n't think you 'll find much improvment though light...: place the two wires from the clarifier control UNSOLDER it, and ther 24 V power.!

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