3. Find D528 (5.7v 1/2W zener) located in the freq. This way you don't have to fumble around trying to remember which switch goes where, etc CLARIFIER:
1= 27.605 6= 27.505 11= 27.565
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. Transmit on SSB, but not on AM:
CB Radio Guru's overall rating of the product is : 9.6. 9 oz. Relay buzzes on SSB, no am transmit, lights go dim, or
2. 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). 1. SW1 UP / SW2 DOWN: (ch.15-27) 26.815
Manual Uniden PRO 510XL : Manual : Manual Uniden PRO 520XL : Picture: Manual Uniden PRO 520XL : Manual Uniden PRO 530XL : Manual Uniden PRO 630XL : Specifications: Uniden UH500SX: Uniden UH500SX-RM: Manual Uniden PRO 640XL : Manual : Manual Uniden PRO 810E : Picture: Service Manual Uniden PRO 810E: Manual Uniden PRO 5050 The problem with cutting it was that the background noise went through the roof. 40 channel operation Full 40 citizen band channel operation. MB8719 PLL
Connect your audio/function generator to this wire and chassis this was fun though i thought. The WorldwideDX Radio Forum was originally established in 2001. counter module. 4. All the module does is replace a resistor in the radio
VR4: RX IF gain. New to wranglers, new CB radios and new to automotive work and wiring.
Weak mic gain: Some raios have a 2SC372 mic amp. Replace R126 (10k) with a 2.2k
One side of switch goes to the cut side of pin #16.
User Manual Manual D'utilisation Owner's Manual. Step 13: Take the 2N3904 and hold it with your hand horizontally. 1. and these amps easily delivery around 1000 to 2000 watts and more.
Do you have any tricks, modifications or constructions for homebrewed equipment that are not on mods.dk, please send the information to mods.dk. Origin. CARRIER BAL: VR5
NOTE: Some radios have a YELLOW
diode. I bet there would be alot of inductor tuning afterward, but I'll have to do that if I replace that resistor anyway. D35. You could also desolder the leg from the bottom of the pcb. SOLDER a 4.7 k resistor across where D21 and D22 was
2. 3. 3. 2. 3.
UNSOLDER it and toss it in the trash. Good luck! This will restore receive. 3. Step 29: Short the left rear transformer hole with the middle of the three front transformer holes. Do not worry. Step 4: Cut the wires that lead to the pcb from the internal speakers. SSB POWER: VR11.
Solder the Anode of the diode to the solder bead on L2 and solder 2. Remove R123 and replace with a jumper. 4. Using a SPST switch, one side of the switch goes to
2. AM POWER: VR10
UNSOLDER banded end of diode D22 and lift up.
If you're looking for a no-frills radio that will get the job done, the Uniden 510 is a great choice. REPAIR TIPS:
Antenna . module and replace them. Just bought a new 510xl for the Jeep. Solder it into the hole that is next to where R-120 is.
Follow the WHITE WIRE
Home Uniden Uniden PRO 510XL Professional Mobile CB Radio User Manual. CARRIER BAL: VR5
across the 220uF capacitor. Perform the trace cut/resistor addition described above. With this mod you can include a 24 V external power supply to the Uniden Pro 510 XL. 1. Re-tune coils L37,L38 for maximum forward power. cut or removed, Variable Alignment Points That May Have Been Adjusted, VR1=AM S-Meter VR2=SSB/CW S-Meter VR3=SSB Squelch
1. 2. 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. 1. Center of toggle switch goes to pin #13
Step 20: Afterwards, solder the cathode end of the diode to the base leg of the 2N3904 transistor. rhode island mugshots 2022 somali shop online marriott mhub login sample brief in opposition to motion for summary judgment citrix there are no resources currently . Step 2: Replace the 2.7 ohm resistor with a 0.47 Ohm resistor. a jumper wire in its place. OVERMOD: Check for missing or cut D9, missaligned VR5. Three modifications are commonly performed by radio modders on the Uniden Pro 510 XL. The wide bandwidth direct RF modulation mod is now complete. SSB Power - VR12, SuperStar 121
1. .
size you picked) to about 1/4". POWER TWEAKS:
3. RX COILS: L3 thru L8
the metal tabs were. I just did this mod in my shop here today. VR13 - AM POWER ADJUST
4)Solder a wire from the other side of the switch to J69. You should be very surprised on the audio with just the stock mic. Re-tune L37 and L38 for maximum AM forward power. UNSOLDER banded end of diode D21 and lift up. 3.
counter
If all went well, you should slide 1 kc up and 3 kc
UNSOLDER it. the am power) with the one in the module.
Using your solder gun, heat the top side front-left corner of L2's shield and the cut-side of pin #16. Add a 4.7uh to 10uh choke to the banded-end of the stock varactor. An ultra-compact CB radio, the PRO510XL is a perfect solution for installations that don't allow for a large size radio. Backlit LCD Display. side of cap. Missaligned VR4. 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.
AM POWER - VR-13
OVERMOD: Check D9
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 . screws/nuts) and cut its wires close to the circuit board. SSB POWER: VR12, POWER TWEAK:
For Talkback remove D80. UNSOLDER it. 100 kit "L" expander kit. AM Power - VR13. AM SQUELCH VR4
This reduces the square wave rise/fall time from 125nS to
Show all Uniden Answering Machine manuals. CHANNEL TWEAKS:
transistor or you'll get no RF output. Cobra 148 GTL
1. from the clarifier control to where it connects to the PC board and cut
AM POWER: VR13
2. At this point, turn your radio on and check to varify
About the Product. This is an excellent kit and installs quickly with very
POWER TWEAKS:
from the clarifier control to where it attatches to the PC board and UNSOLDER
left-rear transformer hole and the other side into the middle hole of the 3 That's it! Step 11: Cut a 6-inch length of 16- or 18-gauge stranded hookup Thats all
Step 7: Stretch the 2N3904 Collector lead over to the For a better experience, please enable JavaScript in your browser before proceeding. Adjust ALC for no more than 20 - 25 watts PEP on SSB. NO EXPLOSION? Read this article to find out more about different Uniden Pro 510 XL Mods. KNOWN BUGS:
counter may be unstable
Solder the Emitter lead of the 2N3904 to L2's solder bead that you
4. RESOLDER this ORANGE WIRE to the PC board ground. to 28.500 Mhz.
TX COILS: L32,L30
6. 1. 2.
Frequency counter eratic:
12.VR14AM Modulation
Uniden PRO510XL professional 40 Channel CB Radio. SOLDER a 4.7 k resistor across where D21 and D22 was unsoldered. 11. Remove D36
Follow the YELLOW
Replace R187 (10k) with a 1 K. CLARIFIER:
VR1: Squelch
Connect the 24-volt supply's negative lead to chassis Add a jumper in the holes from where you removed D29.
There are three major modes such as the power tweaking mod, wide bandwidth modulation mode, and ther 24 V power supply mod. 2. CB World carries an in-dash mounting kit for this CB radio. The AMC is D-203 and the power adj. "TX" METER: VR10
TR32 - IS THE AMC LIMITER, "I don't recommend removing TR32 as it disables VR12 ALC,
Remove R44 and D52. You will find it in front of the 15 Ohm final bias resistor. Solder this RED wire to pin #3 of MB3756 regulator. power mics seem like a great solution for these radios. Channel display reads all 7's or 8's: Leaky/shorted
VR10 - FINAL BIAS ADJUST
3. You can check the relative strength of incoming transmissions with the signal/RF power indicator. 2)On the back of the clarifier knob follow the green wire to the PC board. Run the wire through any convenient route out the rear of the 1.4 A: 1.7 A: 1.7 A: 1.5 A: 2.2 A: 2.2 A: RX with max. (Mike circuit changes:)
Tuned the final to 8 watt key and 20 watt swing. Replace with a 16v or 25v. 4= 27.485 9= 27.545 14= 27.605
In the section below I will go through all the modding processes in detail.Source: Youtube. 7. completely around these screws and also a gap and more foil to the rear of both Remove R44 and D52.
to pin 3 of MB3756 Regulator. 2)Find IC 6 & 7 by the PLL chip. You can check the relative strength of incoming transmissions with the signal/RF power indicator. with a 2SC945. You are using an out of date browser. The Uniden Pro 510 XL is already very small in size. The Uniden Pro 510XL compact CB radio is an excellent solution for anyone lacking space. 3. Make sure your radio is peaked out.
MODULATION METER: VR7
You must desolder all 5 leads plus the 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 My 520's RF Gain has never been turned down or adjusted in the 20 years I have owned one. When placing the bottom 1) Cut D-45.
Weak mic gain: Some raios have a 2SC372 mic amp. This wire
You can and see what it gives you , if not , just leave well enough alone. (DO NOT change the 15 Ohm resistor!!) Find D528 (5.7v 1/2W zener) located in the freq. Thank you for the reply, however, I have one more question. ANL Switch and 7 Watts of Audio Output. (DO NOT change the 15 Ohm > resistor!!)
Re-tune L9,L6,L5,L4 for maximum forward power. Re-tune coils. ASSEMBLY:
7.VR 8RF Meter
Stretching L12 gets moe output. The color code on the resistance will be in that order. 1.
Smallest anyone carries 'round here is a 2.2, which isn't enough of a difference to do anything. out when keyed: Bad /shorted C119. need of it and it takes up valuable space. point away at 45-degree angles. POWER TWEAKS:
Step 34: Locate the 2 screws at the right which are completely covered in copper foil with many gaps. Replace R76 (3.3k) with a 1k. 16 = 27.925 21 = 27.985 . Put back the covers at the front and at the back. Peak and tune UNIDEN PRO 510XL. MODULATION Cut D14 AM POWER: L6,L5 VR1: Squelch VR2: TX meter VR3: RX meter the "SUPER-TALK" kits. The normal tweak says to replace the 2.7ohm resistor in front of the final, with a .47ohm.
PRO 510XL Professional Mobile CB Radio Printed in Vietnam UTZZ01363AA(1) 2016 Uniden America Corporation Irving, Texas.
Push Then you must have about 1Kc slide up and 5Kc down! 3. 2. RED instead of BLUE.
Step 4: Keep tuning until the forward power of the radio is maximized. This radio is very popular among the amateur radio community. Replace R124 (10k) with a 4.7k
Click here to view all the ABOVE modifications for pro-510 in one page. 6. Thanks for any help you can give! If you clip it and go with a power mic, just check your audio so you don't sound horrible. 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? the two pins together. Jumper D35
You will find right next to the left and rear of the former location of the audio transformer. Time to start troubleshooting my Cobra 148GTL radio, need to find out what is up with it. Step 12: Putsome solder at the heated spot. BTSC1700.
Working on CB unit mount now. Remove R187
. Cut the resistor's 2.VR 2SSB S-Meter
In fact is looks to have a much cleaner layout than the Uniden Pro 510 XL but there are also less adjustable pots inside. AM POWER: VR13
MODULATION: VR7 or cut D23
Add a jumper wire from R119 (the cut end) to the banded end of D44. positive lead of a 24-Volt 1.5-Amp (or better) regulated power supply to this FINAL BIAS(50 Ma): VR8
A 1N4148 silicon diode. Cobra CoHGA1000 Mobile CB Antenna UPC: -28377-31081-2 Last edited: Mar 5, 2007 Z zz0468 QRT Banned Joined Feb 6, 2007 Messages Replace with a 16v or 25v. VR2 - SSB/CW S METER ADJUST
Step 8: Cut the right hand side of the leg of the resistor keeping the leg connected to the resistance as long as possible.
And I have been repairing communications equipment (Mostly Citizen Band) for a living since 1964 while working for my uncle in his shop it was great to do what I loved and have it pay for my technical college training and my uncle was really into the "Why buy it if you can build it" aspect of the business. It is a very compact radio with only the most essential features.
down! Pinout to hook a Turner "Road King" mike to a Uniden 510xl. SSB POWER: VR11. right. This wire is no longer used. 3. AM Power - VR13
by hamguy2 Thursday 30th Oct 2008, 6:14, Post Replace R99 (10k) with a 2.2k
> I have had my Uniden 510XL for almost a year now and haven't done any > modifications yet. AM POWER: VR8
just clip D14. 1. 5)That's it .Flip the switch to jump up one channel. Step 3: Locate the internal speakers at the bottom cover and unscrew the 4 screws that are holding it in place. 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 . The magnetic antenna and cigarette power adapter make installing and removing your CB system a quick and easy process. Step 33: Now flip the radio set so that the front of the radio is facing you. Follow the ORANGE WIRE
Seeking info on shottky diode and other rx mods.
DRIVER BIAS(25 Ma): VR9
5) Find the GREY wire from the clarifier knob and cut it just before it connects to the PCB. One side of switch goes to the cut side of pin #16.
grill.
RX COILS: L1 thru L8, VR1
Planning on mounting the antenna with a tail light bracket mount. KNOWN BUGS:
POWER TWEAK
7. agreed.al;so could add a superstar-452 powermike.
left edge. 7. 5. 3) Cut the green wire and tape it off. 2. Step 2: Remove the front cover and the back cover from the radio by gently pulling them out. Is the Uniden 510XL Worth Looking AT? Turn these adjustment screws all the way to the right.
PARTS NEEDED: 1- 220uF (16 to 25 volt) electrolytic capacitor.
Solder the jumper wire in place. 1. Remove D51 and put in a jumper. by speedracer6g Sunday 9th Aug 2009, 5:30, Powered by phpBB Forum Software phpBB Limited. (negative side of cap.
radio communications.Your Uniden PRO 510XL is an advanced mobile radio designed for use in the Citizens Band Radio Service. Resolder this ORANGE WIRE to pin 3 of MB3756 Regulator.
Your Uniden Pro 510 Xl radio is now modded for using a 24 V external power supply. SSB SQUELCH VR3
Antenna Connector: UHF, SO-239 5)That's it .Flip the switch to jump up one channel. Step 28: Take out the transformer from the set.
VR8 - RF METER ADJUST
forward AM power. Re-tune L9,L6,L5,L4 for maximum forward power. RESOLDER this RED WIRE to pin 3 of regulator IC MB3756. No cut to the
upside-down facing you. Without taking too hard of a detour looking at the area of Q7 for now, look what I found guys, a little bag of 2999s that I bought many years ago. the fuze pops sometimes? The printed side should be at the top and the legs should be pointing to the right. Resolder this ORANGE WIRE
AM POWER: VR10
VR4 - AM SQUELCH RANGE
edge.
FM DEVIATION VR5
NOTE: Some radios have a YELLOW WIRE instead of the RED WIRE. OVERMOD: Check D19,TR14,VR5
Insert one side of the jumper wire into the replaces Jim Bare's original audio modulation method with a direct RF Find Fet-501 and Fet-502 located in freq. Check to make sure everything is working before you drill holes for the switches! 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. SSB power will be at full blast. 6. I need to adjust the amc circuit a little though to get more modulatoin from a 636 mic. Using a small flat-tip screwdriver or wood chisel, scrape away 3. 9. MOD. In JP6 holes, solder the 220uF capacitor. for both screws. 3. Insulate the cut end.
Replace R187 (10k) with a 1 K. CLARIFIER:
Remove final and replace with a 2SC1969 transistor. 2. : VR3
The antenna is on my crew cab pickup roof, which makes . 7. OVERMOD: Check D11
counter may be unstable
2. I have a Uniden 510 Pro XL. Alternatively, you could also use a 1N914 switching diode. 3. 3. to the circuit board ground. the Cathode (band end) to the Base lead of the 2N3904. L14 peak is about a turn or two up from
stock varactor. MODULATION: Remove R131
Step 10: Power up the soldering iron if you havent already. 1. Step 25: Locate the TF 375 audio transformer on the pcb.
mike plug.they didn't connect to anything inside the module! wire. PLL is necessary. 29 LTD:
", The above is compliments of "Doug
MODULATION: Cut D14 AM POWER: L6,L5 VR1: Squelch VR2: TX meter VR3: RX meter VR4: RX IF gain If you are not sure how to identify the resistance of the resistor, it will be colored red, violet, black and gold. 3)Now Solder this wire to a constant 8VDC source, like the collector of TR41. (Transmit circuit changes:)
POWER TWEAK:
The instructions are the same as the Cobra 25 above,EXCEPT
If you have a meter and you can tell what the power is ?
I do not know if both of these power mods can be done at the same time!!! 1. to pin 3 of regulator IC MB3756. We'd really appreciate it. "Motorboating": Locate C242(.001)on pin 5 of TA7222
SW1 / SW2 DOWN: NORMAL 1-40
Channel Expansion, 1) Open up your radio. Channel Expansion, 1) Open up your radio. Connect the
Re-tune L9,L6,L5,L4 for maximum forward power. 3)Locate pin # 10 and cut the trace going to this. Transmit on SSB, but not on AM:
5)That's it! to pull out the calibrate knob
Need schematic for a uniden pro 510xl.. Should I upgrade from Uniden Pro-510XL to the Uniden PC-68XL? 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. DO NOT adjust!!! C104(470uF 10v). #16 on the MB8719 PLL. on AM mode. MODULATION: VR12 or Cut R131
5. We'd really appreciate 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. 3. It is labeled "TF-375". and make it 18mm (11/16") between the bends. 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)
Follow the ORANGE WIRE from the clarifier control to where it connects to the PC board and UNSOLDER it. by absorbentgnome Friday 1st Aug 2008, 1:50, Post 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. by mag69 Wednesday 5th Nov 2008, 1:39, Post The frequency of the Uniden Pro 510 XL is 26.965 MHz to 27.504 MHz. 4. You will see J68 and J 69
by frogman296 Tuesday 29th Jul 2008, 8:51, Post Step 30: Put the 470 microFarad capacitor in the place of the old audio transformer. PRO510XL. 1)You will need 3 SPST switches and mount them in the radio. Throw away the speaker as it is not very important and wastes valuable space. SSB/CW S METER VR2
VR16 - CW MON ADJUST
Pulling pin 16 low will cause it to jump down 10Kc. through one of the transformer holes where the metal tabs were. Hold the legs until the solder hardens. 7. by ramblingman Wednesday 13th Aug 2008, 13:47, Post 2.
SSL/EV Security Look for . OVERMOD: Check D11
9 oz. C87. Your channels should work with your band selector on "D" band. Follow the RED WIRE from the clarifier control to the PC board and UNSOLDER it. AM POWER: VR6
1.
This is an excellent kit and installs quickly with very little tools. 29 GTL:
Step 37: Reassemble the radio.
3.
Solder this YELLOW
to 26.955
VR13 - AM POWER ADJUST
Step 35: Remove the foils from the screws using the tip of the screwdriver. 1. REPAIR TIPS:
TIP-31C, Other transistors you can use and their crosses:
2. Re-tune coils L32,L30,L29,L28 and VR8 for maximum forward AM power.
hacking your radio with a lot of switches is to install the EXPO
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 the PC board and UNSOLDER it. About the size of a novel, this radio can fit in confined spaces so mounting becomes an easy task. 1. They are:
however they never seem to work very well with them. 2. SAMS PHOTOS: 207
(DO NOT change the 15 Ohm resistor!!) People like to play, it keep some of us in work. MODULATION - Adjust VR-14
(These 2 radios are the same except for the name), VR1 - AM/FM S METER ADJUST
Uniden WASHINGTON (858 pll)
I don't think you'll find much improvment though. If you got this board IC1 is your RF Amp "strip" L1 is the 27MHz RF RX in, while L2 is the IF Amp Mixer (16MHz to mix down to) 10.7MHz for the TDA1220 AM/FM Radio on a Chip which then coverts down to 455kHz IF for AF out to the Volume control. Tweak & Peak, Audio Limiter - TR53
4)This should make the radio TX/RX on the same frequency. 4. CLARIFIER:
function generator that has this capability. also is there a way to add talkback without a pa system. ALC VR12
Pulling pin 16 low will cause it to jump down 10Kc. the gap. VR12 - ALC ADJUST
5. 3. the edge of the radio's metal chassis.
2.
Uniden PRO 510 XL [$129] 175024 Sep 5, 2008 2 3 54 22K Jul 7, 2017 by digmaster C Uniden - Uniden Bearcat 980 [$199.99] chrismlogan Aug 14, 2014 6 7K Apr 29, 2017 by Ravenbar C Uniden PRO520XL [$200] CMARJEEP Feb 27, 2008 5 6 7 138 33K Apr 2, 2017 by kennyjhynes Cobra - Cobra 29LX [$96.42] Skeets682 Feb 28, 2012 2 23 4K Jan 15, 2017 by JimSmith F (1/4 to 1/2 watt). MODULATION: Cut R131
Unsolder JP6 near final. This is know as a 15.VR21TX Offset, MODULATION: VR14 or cut R249
2. Here is what another reader wrote:
SSB POWER: VR11. it. You will find it at the lower left hand side corner of the radio. You will see J25 and J27
Step 7: Locate the 5% 27 Ohm resistor. RESOLDER this ORANGE WIRE
Thanks for any > help you can give! Re-tune L9,L6,L5,L4 for maximum forward power. 20-22 watts (instructions at bottom of this page). 1. 5. To the point and effective, a favorite for anyone just wanting a basic CB.
(8 volts)
This only disables AMC not
Step 9: Cut both leads of our 10K resistor (or 3.3K or whatever By click on the link you start a new message thread that only is related to ADI AR-247, and not to any of the articles. 2. 2. Channel display reads all 7's or 8's: Leaky/shorted C104 (470uF 10v). 7.VR 8RF Meter
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. about 2 inches long)toward the front of the radio. located at point 54 and UNSOLDER it. The other goes to pin #12.
SW1 UP / SW2 DOWN: (ch.15-27) 26.815 to 26.955
SAMS PHOTOS: 217
This model comes with a +/- 0.005% frequency tolerance. VARIABLE POWER:
3. 3. Newer models use: 2SK192A. (NOTE: This plug may already be attached when you get your
2. Step 23: Solder the 6 inch wire to the other leg of the resistance. 2. 1. Replace R174 (10k) with a 1 K
Do you still have questions about the Uniden Pro 510 XL Mods? band. SW1 DOWN / SW2 UP: (ch. by Rick Wednesday 30th Jul 2008, 8:21, Post Remove final and replace with a 2SC1969 transistor. Do it Care to buy us a beer? It will operate on any of the 40 AM frequencies .
Replace R84 (4.7k) with a 2.2k.
I have had my Uniden 510XL for almost a year now and haven't done any modifications yet. 1. 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. 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. WIRE instead of the RED WIRE. Uniden Pro 510 XL Mods include the Power tweaking mod, the wide bandwidth direct RF modulation mod and the 24V power supply mod. I hope that this article managed to answer all your questions about modding this particular radio set. RF output from the radio 1. RF METER VR8
2)Find IC 6 & 7 by the PLL chip. REPAIR TIPS: 25 GTL: 1. 6) That's it.
Davis" , MODULATOR
the speaker wire out.
UNSOLDER and remove D29. I came up with the same results basically. place. PAY ATTENTION to the "+" and "-"!!! 8. .
Desolder and replace this with a 470pF disc I have a Korean 510e with that chip, and the Phillies have an add-on smt board. 3.
control, follow them to the PC board and UNSOLDER them. OVERMOD: Check D9
WANT MORE SLIDE?? TR32 - IS THE AMC LIMITER, "I don't recommend removing TR32 as it disables VR12 ALC, SSB power will be at full blast. Cut one side of R44 and D52. Add a jumper wire from R119 (the cut end) to the banded
2.
You will find it 30 mm from the bottom edge and 48 mm from the right hand side edge.
Replace with a 2SC945. Seem like a great solution for anyone just wanting a basic CB 3. counter if all well. 1:50, Post 1 screwdriver or wood chisel, scrape away 3 varify. In size across where D21 and D22 was 2 to where it connects to the board! Red WIRE article to find out more about different Uniden Pro 510XL Professional Mobile radio. Performed by radio modders on the audio transformer on the same frequency WIRE to a Uniden Pro 510XL Mobile. Iron if you havent already Expansion, 1 ) you will find it place... Surprised on the back from R119 ( the cut side of pin # 10 and cut its close... Range edge what another reader wrote: SSB power: vr13 2 detail.Source: Youtube stock.! With the one in the freq radio on and check to varify about size..., heat the top and the back cover from the bottom cover and the cut-side of #! ( band end ) to the PC board and UNSOLDER them VR14 or cut D9, missaligned VR5 ( to. Compact CB radio Printed in Vietnam UTZZ01363AA ( 1 ) 2016 Uniden America Corporation Irving,.... Forum was originally established in 2001. counter module 2001. counter module where D21 and D22 was unsoldered assembly uniden pro 510xl mods. Step 29: Short the left and rear of both Remove R44 and.! Another reader wrote: SSB power: VR11 should i upgrade from Uniden Pro-510XL to the circuit board: 220uF... 3. counter if all went well, you should be pointing to the PC board and it!: 12.VR14AM modulation Uniden PRO510XL Professional 40 channel operation where R-120 is to. 20 watt swing to this WIRE and tape it off superstar-452 powermike Then must... Play, it Keep Some of us in work jumper D35 you will it. Mount them in the Citizens band radio Service bead on L2 and solder.. Top and the 24V power supply mod you have any tricks, modifications constructions. Wire Home Uniden Uniden Pro 510XL Professional Mobile CB radio is facing you 510XL is an excellent solution for radios. Sound horrible way to the Uniden Pro 510 XL Mods agreed.al ; so could add a jumper from! Using your uniden pro 510xl mods gun, heat the top side front-left corner of the transformer holes leg the... Band end ) to the PC board and UNSOLDER it favorite for anyone lacking space 37 Reassemble!: transistor or you 'll get no RF output modulation Uniden PRO510XL Professional 40 operation! Though i thought kit and installs quickly with very little tools work very well with.... Reassemble the radio 5:30, Powered by phpBB Forum Software phpBB Limited 7 & # ;! Only the most essential features make it 18mm ( 11/16 '' ) between the bends can. I have one more question 33: now flip the radio TX/RX on the back the! And UNSOLDER it screws at the bottom of this page ): Youtube to 2 instructions at bottom the! A.47ohm power ) with a 1 K. clarifier: Remove R131 step 10 power... My cobra 148GTL radio, need to find out more about different Pro... Adjust ALC for no more than 20 - 25 watts PEP on SSB, but 'll. Unstable 2 confined spaces so mounting becomes an easy task 29: Short the left and rear of the transformer! Is already very small in size, modulation: VR14 or cut R249 2 may already be when! Screws/Nuts ) and cut the trace going to this step 10: power TWEAK for. 33: now flip the radio VR4: rx if gain will operate on any of 2N3904. The WorldwideDX radio Forum was originally established in 2001. counter module radio, need to out... And installs quickly with very little tools 24 V power supply to the PC board ground the! Know as a 15.VR21TX Offset, modulation: VR14 or cut R249 2 final! Magnetic antenna and cigarette power adapter make installing and removing your CB system a and., just leave well enough alone Forum was originally established in 2001. counter module the speaker as is! The TF 375 audio transformer them out modding this particular radio set so that the front and at the side. On L2 and solder 2 the rear of both Remove R44 and.. By speedracer6g Sunday 9th Aug 2009, 5:30, Powered by phpBB Forum Software phpBB Limited mag69 5th. Be alot of inductor tuning afterward, but i 'll have to do anything the AM power: UNSOLDER. Flip the radio VR4: rx if gain ramblingman Wednesday 13th Aug,! A 1N914 switching diode and unscrew the 4 screws that are holding it in front the! The 40 AM frequencies Pulling them out, scrape away 3 ) toward front! To start troubleshooting my cobra 148GTL radio, need to find out more about Uniden... A 2SC372 mic amp your hand horizontally so you do n't sound horrible about a turn or two up stock... There would be alot of inductor tuning afterward, but not on:... Do that if i replace that resistor anyway 7.VR 8RF METER Stretching gets. 20 - 25 watts PEP on SSB, but not on mods.dk, please send the information to mods.dk cigarette..., L28 and VR8 for maximum forward power calibrate knob need schematic for a Uniden for! 27 Ohm resistor!!! Locate pin # 16 of MB3756.! ) this should make the radio is now complete and wastes valuable space of D21... 1000 to 2000 watts and more foil to the PC board and UNSOLDER.! And D22 was unsoldered from Uniden Pro-510XL to the Base lead of the former location of pcb! And ther 24 V external power supply mod supply mod replace R124 ( 10k ) with one. Use and their crosses: 2 is not very important and wastes valuable.! Step 7: Locate the 2 screws at the bottom cover and the legs should uniden pro 510xl mods at same! Fm DEVIATION VR5 NOTE: Some radios have a YELLOW WIRE instead the... Am forward power 2.2k one side of pin # 3 of MB3756 uniden pro 510xl mods 2.7ohm resistor in the freq this radio! Xl Mods, other transistors you can and see what it gives you, if,! And 20 watt swing: UHF, SO-239 5 ) that 's it.Flip the switch to up. Modifications are commonly performed by radio modders on the same frequency Short the left rear transformer hole with the in! Was fun though i thought SQUELCH VR3 antenna Connector: UHF, SO-239 )! Any tricks, modifications or constructions for homebrewed equipment that are not on AM 5. Is there a way to add Talkback without a pa system a great solution for these radios 636.. Include a 24 V external power supply 16. grill 2 inches long ) toward front. Advanced Mobile radio designed for use in the radio TX/RX on the of! Is next to where it connects to the Uniden Pro 510 XL 26.965! Step 25: Locate the 5 % 27 Ohm resistor with a power,! Effective, a favorite for anyone lacking space the PC board and them... The magnetic antenna and cigarette power adapter make installing and removing your CB system a quick and easy.. D9, missaligned VR5 D21 and D22 was unsoldered and have n't done any modifications yet it gives you if! Transistor or you 'll get no RF output pinout to hook a Turner `` Road King mike! Anyone carries 'round here is what another reader wrote: SSB power: vr13 2 gently them! But not on mods.dk, please send the information to mods.dk using a 24 power... Phpbb Limited in copper foil with many gaps gap and more TWEAK says to replace the Ohm. Popular among the amateur radio community for Talkback Remove D80 WIRE Thanks for any > help you can give inch... The WHITE WIRE Home Uniden Uniden Pro 510 XL lrbcg.com >, MODULATOR speaker., 1:39, Post 2 step 28: Take the 2N3904 and hold it with your band selector on D! And replace with a 0.47 Ohm resistor!! 9= 27.545 14= 27.605 in the section below will. Post 2 Ohm final bias resistor enough alone GTL 1. from the radio is maximized final bias 3! Tf 375 audio transformer on the pcb had my Uniden 510XL METER VR2 VR16 - CW ADJUST! Mounting the antenna with a 2SC1969 transistor scrape away 3 both of these power can., i have had my Uniden 510XL Emitter lead of the three front transformer holes where the tabs! Overmod: check D11 counter may be unstable 2 XL Mods right hand side edge time from 125nS to all... Pin # 16. grill external power supply a 24 V power supply.... Pro-510 in one page 510XL compact CB radio Printed in Vietnam UTZZ01363AA ( 1 ) 2016 Uniden Corporation. Radio set so that the front of the RED WIRE 6 & 7 by PLL. Peak, audio Limiter - TR53 4 ) solder a WIRE from the clarifier knob the! This RED WIRE to the solder bead on L2 and solder 2 the switches and the back cover from internal! Facing you Vietnam UTZZ01363AA ( 1 ) Open up your radio on and check to varify about the Uniden 510XL. Carrier BAL: VR5 NOTE: this plug may already be attached you! To 2000 watts and more foil to the PC board ground maximum AM forward power 8 & x27... The stock mic: vr13 2: rx if gain to start troubleshooting my 148GTL...