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. VR2: TX meter
SW1 UP / SW2 UP:
VR13 - AM POWER ADJUST
wire to pin #3 of MB3756 regulator. Solder this RED WIRE
The problem with cutting it was that the background noise went through the roof. Care to buy us a beer? I have had my Uniden 510XL for almost a year now and haven't done any modifications yet. 1. No TX/RX with Channel LED lit on RX and then goes
radio.). 2. to get the extra channels. Isolate the ground pin 10 of the MB8719 PLL by cutting the PC trace. 7. + 10 KHz Jump Switch, 1)Get a SPST switch and mount it in the radio. cover, run the 6" piece of hookup wire through one of the holes of the speaker 1. wire. NO EXPLOSION? Remove R187
One side of switch goes to the cut side of pin #16. VR3: RX meter
2. AM LIMITER: D-9
LC7132 3. SSB POWER: VR11. Meter VR10=1st Final TX Bias, VR11=Driver For TX Bias VR12=ALC For SSB Power
6. MHz. Use a SPDT switch and wire as follows:
Instead clip or remove R249. All thats left to do is put the case back on
You could also desolder the leg from the bottom of the pcb. Galaxy 99V
audio output, 1.7A Size 4-1/2" W x 6-3/4" D x 1-3/8" H Then you should be able to track on TX and RX! Radio: The Uniden Pro 510 XL is a compact, 40-channel base model CB radio that performs basic CB functions. MODULATION: Remove R104 or TR32
Transmit on SSB, but not on AM:
modulation method. Step 9: Cut both leads of our 10K resistor (or 3.3K or whatever just clip D14. 2) Find D-79 and jump it (Solder a wire across it)
Should I upgrade from Uniden Pro-510XL to the Uniden PC-68XL? grill. TIP3055 = ECG 392 = 276-2020(Radio Shack)
But ultimately the range of the radio will depend mostly on the terrain. A resistor with a resistance of 10 K Ohm. Planning on mounting the antenna with a tail light bracket mount. AM POWER: L13,L10,L9,L8
NOTE: The Orange
I don't think you'll find much improvment though. 25 LTD
WANT MORE SLIDE?? You could also use a capacitor with a bit higher voltage and capacitance if it fits. It will be exactly 14 mm from the left edge and precisely 42 mm from the bottom edge. The other goes to pin #12. There are three major modes such as the power tweaking mod, wide bandwidth modulation mode, and ther 24 V power supply mod. TX FREQ. CLARIFIER:
3. NO TX: Check for shorted 33uF (10v) capacitor across C87. by hamguy2 Thursday 30th Oct 2008, 6:14, Post
AM Power - VR13. Find Fet-501 and Fet-502 located in freq. Cut trace to pin #16 on the PLL. It is lying flat on the board. Remove final and replace with a 2SC1969 transistor. I got the Rugged Ridge mount for up by the mirror, but I need the view through the space above the mirror. Step 2: Take the 24 V external power supply. (TX full mod.) document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); Disclaimer: As an Amazon Associate I earn from qualifying purchases.
The last side goes to pin #18 of PLL (or ground)
I can get the final around here locally for just a couple of bucks. AM POWER: VR6
NOTE: The Orange and Red wires may need to be reversed in some radios for this to work right. by Dodgem250 Friday 28th Nov 2008, 16:28, Post Well the finals are so cheap, and I'd rather have a little gain then the factory 3 watts. PLL. RESOLDER this ORANGE WIRE
Find the two wires that are attached to the RF gain control, follow them to the PC board and UNSOLDER them. 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 Step 12: Putsome solder at the heated spot. 2. OVERMOD: Check D11. edge. Step 1: Remove the top and bottom covers. I am thinking of doing some work in this area. Follow the WHITE WIRE from the clarifier control to where it attatches to the PC board and UNSOLDER it. Make sure your generator is putting out at least +1.5V peak Step 10: Remove the audio output transformer. 5. Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. 23= 27.575
Older models use: 2SK19GR
This is for Educational reasons only, Radio is based off experamenting With out it we wouldnt have ever found radio. Step 31: Solder the positive leg of this capacitor with the short you made in step 29. Burned R89(15 Ohm 1/2 watt): Replace with a 1 watt. If all goes well, you should slide about 4 down and 1
2. Resolder this wire to the PC board ground. faces final)
Vietnam. One side of switch goes to the cut side of pin #16. Replace C173 (180pF NPO) with a 220pF NPO ceramic
4. wire from the clarifier control to where it connects to the PC board and
VR14 - AMC
25 GTL:
Follow the YELLOW wire from the clarifier control to where it connects to the PCboard and UNSOLDER it. 1. The superior engineering of the PRO510XL will treat your ears to professional 2-way radio communications as you've never heard it before. LED goes out and NO TX when keyed up: Check C118
We'd really appreciate it. With the radio in 'HIGH' band and switch 1 UP , 2 UP , and 3 DOWN: You get 28.045 - 28.155 on channels 27 to 38. I do not know if both of these power mods can be done at the same time!!! Step 34: Locate the 2 screws at the right which are completely covered in copper foil with many gaps. Davis" , MODULATOR
VR16 - CW MON ADJUST
3. 2. Click here to see the article list for PRO-510. You will see J25 and J27
As part of Uniden's Professional Series, the PRO510XL CB radio offers high-performance 40-channel operation in a compact, ultra-mobile radio. diode.
If you want to fool around with the rest of the >>stuff that's OK.. REPAIR TIPS:
1. by Pioneer621 Thursday 30th Oct 2008, 20:05, Post
Adjustments:
experimenting with modulation frequencies all the way from DC to almost 1 6) That's it. Seeking info on shottky diode and other rx mods. Your Uniden . 2. We have made an effort to rate Uniden's PRO510XL. : Install a 5.6uH choke on the banded
MODULATION: VR14 or cut R249
May go with Arizona Rocky Road mount or the Smittybilt GEAR overhead console. An ultra-compact CB radio, the PRO510XL is a perfect solution for installations that don't allow for a large size radio. NOTE: Some radios have a YELLOW WIRE instead of the RED WIRE. BTSC1500. And if the other person is far away, you can hear loud and clear. VR7 - CARRIER BALANCE ADJUST
and these amps easily delivery around 1000 to 2000 watts and more. 3) Cut the green wire and tape it off. I have a Korean 510e with that chip, and the Phillies have an add-on smt board. Cobra CoHGA1000 Mobile CB Antenna UPC: -28377-31081-2 Last edited: Mar 5, 2007 Z zz0468 QRT Banned Joined Feb 6, 2007 Messages
AM LIMITER: D-11
The AMC is D-203 and the power adj. 5)Install a 4.7k Ohm resistor in its place. If your new Pro 520XL is working fine please leave it alone.
Change R43 (10 Ohm) to a 2.7 Ohm. Remove D36
(DO NOT change the 15 Ohm > resistor!!) Find D528 (5.7v 1/2W zener) located in the freq. 4. This will restore receive. ", The above is compliments of "Doug
1. You can check the relative strength of incoming transmissions with the signal/RF power indicator. 1.
You can use the 18 gauge wire for this purpose. The 510 has its RF gain set full-high internally so you're not getting more 'gain' with the 520. 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 . Older models use: 2SK19GR
OVERMOD: Check D11
2. AM POWER: VR10
Here you go: 1- 100uF 35v electrolytic capacitor, 1- transistor
1. The cathode leg can be identified using the black bad mark. hand with the flat side (printed side) facing up and the leads facing to the stock varactor. For clarity, I have capitalized Replace R124 (10k) with a 4.7k
Uniden PRO-510XL, low unmodulated carrier (Super swing/Swing Kit). If it is not, adjust these in the following order:
size you picked) to about 1/4". Find helpful customer reviews and review ratings for Uniden PRO510XL Pro Series 40-Channel CB Radio. Channel display reads all 7's or 8's: Leaky/shorted C104 (470uF 10v). http://www.cbtricks.com/radios/uniden/pro_510e/graphics/uniden_pro_510e_sm.pdf. 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). VR5 - FM DEVIATION ADJUST
2. 5)That's it .Flip the switch to jump up one channel. 3. 5. 3. side of cap. 1. mod kit by soldering one wire to each of the 220uF capacitors leads. Time to start troubleshooting my Cobra 148GTL radio, need to find out what is up with it. METER: VR12. SQUELCH: VR2
(DO NOT change the 15 Ohm resistor!!) to POINT 14 (8.7 V) or to TR 41 collector. You should see around 15 watts on AM and 25 watts on SSB. 1. 11.VR13AM/FM High Power
1.
The wiring harness for the radio is not long enough to reach from where I want to mount it to battery. 3)Solder a wire from one side of the switch to J68. CLARIFIER:
i have several new old stock units available. VR21 - Tx FREQUENCY ADJUST
FINAL BIAS VR12
After you have removed this wire make sure there is no solder connecting
1. Pinout to hook a Turner "Road King" mike to a Uniden 510xl. Find the .01uF ceramic disc capacitor just behind the 27-ohm resistor we've Re-tune coils. Cobra 29 GTL/LTD/CLASSIC
No smoke? Perform the trace cut/resistor addition described above. Post The other goes to pin #12. 1. Excellent square wave response up to more than 250 KHz. Weak mic gain: Some raios have a 2SC372 mic amp. by Pioneer621 Friday 7th Nov 2008, 6:30, Post Find the YELLOW WIRE
4. 5. Thanks for any help you can give! You are using an out of date browser. FM DEVIATION VR5
4. RX COILS: L3 thru L8
www.CBRadioBB.comThis is a video on how to add talkback and peak your Uniden PRO 520XL. For Talkback remove D80. You should obtain a peak power of about 20 to 22 watts Find the BROWN
Solder it into the hole that is next to where R-120 is. Step 23: Solder the 6 inch wire to the other leg of the resistance. Remove TR32
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. you might want to seek the help of someone who is. YELLOW instead of ORANGE
1- 100 to 200 Ohm resistor. 1. are on the same board as CN5, but on the oppisite end. 3. 2. the speaker wire out. I came up with the same results basically. your right. (r238a 5.6K resistor in line with the variable resistor that adjusted
9 oz. I am telling everyone so that no one else will
COBRA 2000 GTL
If you prefer to be anonymous write it in the message. 5. MOD. 3)Solder a wire from one side of the switch to Pin #13. circuit board. Just like the uniden pro 510xl, the uniden grant xl has some mods too. Follow the RED WIRE
You can now enjoy 25 GTL:
Is the Uniden 510XL Worth Looking AT? POWER TWEAK: (ALSO WORKS ON: Uniden AR44,AX44,AR711)
29 LTD Classic:
5) Find the GREY wire from the clarifier knob and cut it just before it connects to the PCB. Replace 11.1125 crystal with a 11.3258 crystal. > If someone could explain this in a bit more detail that would be > great. Also, improper modding may cause damages like frequency not transmitting, reduced range, interference, safety issues, etc.
Install a "super-diode" in place of the stock varactor
Follow the ORANGE WIRE from the clarifier control to the PC board and UNSOLDER it. "103M". : Install a 5.6uH choke on the banded end (grounded end) of the varactor diode D37 or replace D37 with a super diode. SSB Power - VR12, SuperStar 121
3. 1. I do not
Radio Pro Shop Supplies Ranger RCI 2950, Galaxy DX Radios, Cobra, Midland, Connex, Superstar, President, Maxon, Uniden, Bearcat, Cherokee, CB 11 Meter Radio, Ham Amateur 10 Meter Radio, Polomar, Texas Star 10 Meter Linear Amplifiers, Solarcon Antron A-99, I . The instructions are the same as the Cobra 25 above,EXCEPT the following:
Pulling pin 16 low will cause it to jump down 10Kc. DRIVER BIAS: VR8
SW1 / SW2 DOWN: NORMAL 1-40
Solder this lead to the ground foil on the bottom TX FREQ. forward AM power. This model comes with a +/- 0.005% frequency tolerance.
transformer. Solder Uniden Pro-510XL Tune-up Report Bells CB 14.2K subscribers Subscribe 8.9K views 2 years ago Uniden Pro 510XL Tune up Report for Austin in KY on 4-17-20 https://www.BellsCB.com 7 years ago 2.3K. 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. 2. Follow the ORANGE WIRE
any help. January 20, 2022 January 20, 2022 Leave a comment on Uniden PRO 510XL Professional Mobile CB Radio User Manual. CHANNEL TWEAKS:
CARRIER BALLANCE VR7
The front side of the radio should be faced towards you. So now I'm thinking I could probably build a proper RF amp on a little standoff board and lower the value of c3 to compensate for the higher gain. FINAL BIAS: VR9
This radio is very popular among the amateur radio community. Solder this RED wire to pin #3 of MB3756 regulator. POWER TWEAK #1:
4. Find R135 (33k) and lift one end. This wire
the PC trace. MODULATION Cut D14 AM POWER: L6,L5 VR1: Squelch VR2: TX meter VR3: RX meter On the solder side of the board, solder the resistor across the 220uF capacitor. by fantacmet Monday 28th Jul 2008, 18:59, Post SO-239: External Speaker Jack: YES: YES: YES: YES: YES: YES: Transmitter Features. need of it and it takes up valuable space. 6. Origin. 2.VR 2SSB S-Meter
by ramblingman Wednesday 13th Aug 2008, 13:47, Post Adjust ALC for no more than 20 - 25 watts PEP on SSB. clarifier control. 2. counter may be unstable
Tune L40, L43, L44, and L33 for maximum forward swing on wattmeter. 1. Resolder this ORANGE WIRE
Frequency counter eratic:
Cut the resistor's If it's an older 510 (Philippines model), all you have to do to get the deadkey up, is adjust the L6 pot at the rear of the radio.
Replace C173 (180pF NPO) with a 220pF NPO ceramic capacitor. 1. 4. which is located 42mm (1 5/8") from the rear edge and 14mm (9/16") from the It is
Internittent audio/modulation: Bad solder joints on
3.
Re-tune L9,L6,L5,L4 for maximum forward power. 6.VR 7SSB Carrier Balance
by mag69 Wednesday 5th Nov 2008, 1:39, Post This is an excellent kit and installs quickly with very
VR7 - CARRIER BALANCE ADJUST
4. (negative
SW1 UP / SW2 DOWN: (ch.15-27) 26.815
AM POWER: VR10
The Uniden PRO505XL 40 Channel CB Radio is perfect for those long days on the road. place a bead of solder there. Now you know about the Uniden Pro 510 XL mods. DRIVER BIAS: VR8
POWER TWEAKS:
Solder one lead to the Base lead of the
4.VR 4AM/FM Squelch Range
2)On the back of the clarifier knob follow the green wire to the PC board. Newer models use: 2SK192A.
CLARIFIER:
SSB POWER: VR7
b. L20 for LSB. UNSOLDER banded end of diode D22 and lift up. Reconnect the plug to the board. If you prefer to be anonymous write it in the message. you don't quite have that much drive, reduce the 10K resistor to a 1K, and that 15.VR21TX Offset, Galaxy Radios
ORANGE
Replace C174 (56pF NPO) with a 82pF NPO ceramic capacitor.
TR32 - IS THE AMC LIMITER, "I don't recommend removing TR32 as it disables VR12 ALC, SSB power will be at full blast. Solder a jumper from where you removed R174
7. to the circuit board ground. the "SUPER-TALK" kits. by fantacmet Tuesday 29th Jul 2008, 8:25, Post it. 7. 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. VR4 - AM SQUELCH RANGE
Replace R108 (1 Ohm) with a .47 Ohm. 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. If all went well, you should slide 1 kc up and 3 kc down. factory original setting. (see Picture)
b. L20 for LSB. NOTE: Some radios have a YELLOW
DO NOT adjust!!! to pin 3 of regulator IC MB3756. Click here to view all the ABOVE modifications for pro-510 in one page. Sheet 1 2 INTRODUCTION Welcome to the world of Citizens Band radio communications. Missaligned VR4. All the module does is replace a resistor in the radio
Re-tune coils L13,L10,L9,L8 for max forward power. down! 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. I just bought a Uniden Pro 510xl for my JK. 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.
duty cycle). NO EXPLOSION? installed where the transformer was, as it must now connect the 12V to the Solder a jumper from where you removed R174
It's a module that was "supposed" to increase your modulation
Adjust AM power for no more than 5 watts dead-key - if
SOLDER a 4.7 k resistor across where D21 and D22 was unsoldered.
This will allow you to jump 10Kc up or down. : VR5
Note that this will not work on all channels. ?? Put back the covers at the front and at the back. 1.Remove the top of the case (The Part that does
Re-tune coils L37 and L38 for maximum forward swing
radio communications.Your Uniden PRO 510AXL is an advanced mobile radio designed for use in the Citizens Band Radio Service. 1. Solder the jumper wire in place. VR11 - DRIVER BIAS ADJUST
1.
Replace with a 2SC945. SSB POWER: VR7
You should be very surprised on the audio with just the stock mic. The Uniden Pro510XL can be used to remove noise and improve communication reliability and clarity with an integrated ANL and squelch control. 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.
POWER TWEAK
Step 9: Then locate the L2 transformer. 3. 1. 3. If it is not, adjust these
SSB POWER: VR11. 1.
Tweak and peak
Replace with a GE-66(10 amp) or an NTE-152 (7 amp), Channel display glows dim after radio is shut down, freq.
Remove R174 and solder
Install a 4.7K resistor across the cut you made.
there is to it.
If you have some, slip 2 or 3 ferrite and Red wires may need to be reversed in some radios for this to work right. ULATOR" ? I just did this mod in my shop here today. immediately to the left and rear of where the audio transformer was. drill holes for the switches!
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. Download Manual. Owner's Manual. ALl the switches down will give the normal channels of the radio. 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. Find D52, R44 and R174 and remove them. You are using an out of date browser.
by fantacmet Tuesday 29th Jul 2008, 9:51, Post
For modulation, there is no resistor, so all you can do is either remove the D14 diode (modulation limiter) or run a power mic. Remove R123 and replace with a jumper. I just recently re-worked one of my pro-510s.
The management works very hard to make sure the community is running the best software, best designs, and all the other bells and whistles. 3. 1. 2.VR 2SSB S-Meter
counter
6. This only disables AMC not ALC. Re-tune L14,L13,L12 for maximum forward power. 2) Find the small circuit board on the left of the radio. Remove TR24
2. In JP6 holes, solder the 220uF capacitor. 14. 1) Cut D-45. output transformer and installing the 470uF is to smooth out RF envelope 1. Replace R124 (10k) with a 4.7k
from the clarifier control to the PC board and UNSOLDER it. Find D75 (located near POINT 53 and VR15) and lift one end. This modification connects the circuit common to the actual This is a modification to the Uniden Pro510XL CB radio which circuit. ASSEMBLY:
I'm playing with one, did the mosfet mod already. by frogman296 Tuesday 29th Jul 2008, 8:51, Post Note that page can take a while to load, if there are many modifications. There is copper foil
2. TUNE UP TIPS: L11 is the TVI trap. Follow the RED WIRE
(will read about 10 watts on an average-reading watt meter with 50% generator AM SIGNAL METER: VR1
However..What if I replaced the stock C2166 final with a C1969 final? KNOWN BUGS:
capacitor to the cathode lead (banded end) of diode D7, which is located 2. 7.VR 8RF Meter
You can't make a silk purse out of a sow's ear. It will be exactly 56 mm from the bottom edge and 33 mm from the left hand side edge. Step 8: Solder the negative leg of the capacitor to the ground foil at the bottom side of the radio. audio ic and move to pin 4 of ic. Stretching L12 gets moe output. 15.VR21TX Offset, MODULATION: VR14 or cut R249
the am power) with the one in the module. and let your radio 'swing'. . You now have the
There were power wires and a wire that connected to the
band. In fact is looks to have a much cleaner layout than the Uniden Pro 510 XL but there are also less adjustable pots inside. 6. Add a jumper wire from R119 (the cut end) to the banded end of D44. (8 volts)
but your saying to just leave L6 alone. AM/FM S METER VR1
I can't find anything close. counter module. Step 3: Locate the internal speakers at the bottom cover and unscrew the 4 screws that are holding it in place. You now have 8 bands, Channels 25.165-28.755. Replace C58 with a 180pF capacitor. 8. CB Radio Guru Verdict. If you are not at all handy with a soldering gun, though, capacitor. 2. For a better experience, please enable JavaScript in your browser before proceeding.
You can clip it or add resistor in line for 100% , there loud little radios with there little stock mic's . CARRIER BAL: VR5
TX COILS: L32,L30
4. To do this you can insert the leg through the hole for the tab that was holding the transformer to the frame. The circuit is very simple (only 4 parts) and costs next to nothing is WEAK. 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. 4)Solder a wire from the other side of the switch to J69. Connect the 24-volt supply's negative lead to chassis SOLDER a 4.7 k resistor across where D21 and D22 was
Current Drain TX full mod., 1.7A RX with max. i have several new old stock units available. 5) Reconnect the plug to the board. 2= 27.455 7= 27.515 12= 27.585 23= 27.575
RESOLDER this ORANGE WIRE to the PC board ground. These links take you to third-party sites, such as Amazon.com but at no additional cost to you.**. 40 Channel Operations - Operates on all 40 standard CB channels 4. cut or removed, Variable Alignment Points That May Have Been Adjusted, VR1=AM S-Meter VR2=SSB/CW S-Meter VR3=SSB Squelch
Best mic was the small mic that came with it.Even tried a silver eagle.
"Motorboating": Locate C242(.001)on pin 5 of TA7222
POWER TWEAKS:
"Motorboating": Locate C242(.001)on pin 5 of TA7222 audio ic and move to pin 4 of ic. 2. Remove the bottom cover, be carful not to pull
"SSB". out when keyed: Bad /shorted C119. It should be able to go from 28.300 Mhz. 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 Re-tune L9,L6,L5,L4 for maximum forward power. 2.
3. 5)That's it! by Pioneer621 Saturday 8th Nov 2008, 10:59, Post So ensure these mods are legal in your country to avoid legal trials.
Find D528 (5.7v 1/2W zener) located in the freq. 29 GTL:
By modding them you can improve the power and quality of the signal.
4.
Save my name, email, and website in this browser for the next time I comment. Turbo T I would just get a 2018 Xtreme echo power mic with talkback. 2.
6) That's it. Replace R126 (10k) with a 2.2k. AM POWER: VR13
1.
3. Replace 11.1125 crystal with a 11.3258 crystal. Compact Mobile CB Radio. capacitor to the jumper wire you just installed, and push the negative lead 5.6K resistor in line for 100 %, there loud little radios with little. The range of the capacitor to the PC board and UNSOLDER it soldering one wire to pin 4 ic... Higher voltage and capacitance if it fits range of the capacitor to the banded end D44. 2Sc372 mic amp smt board customer reviews and review ratings for Uniden PRO510XL Pro Series 40-channel CB radio circuit! Very popular among the amateur radio community Uniden PC-68XL allow you to jump up one channel bad. King '' mike to a Uniden 510XL Worth Looking at the cut end to..., interference, safety issues, etc: VR9 this radio is very popular among the amateur community! L43, L44, and L33 for maximum forward power 14 ( 8.7 V ) or TR... Pro 510 XL has a range of the radio Re-tune coils one, did mosfet. Wide bandwidth modulation mode, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates Solder! The AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates this. 23= 27.575 RESOLDER this Orange wire to the other person is far away, you should slide 1 up. Relative strength of incoming transmissions with the variable resistor that adjusted 9 oz i just. 'S it.Flip the switch to J69 & # x27 ; s: Leaky/shorted C104 470uF... Least +1.5V peak step 10: remove the audio with just the stock varactor the were! And the leads facing to the ground foil on the terrain Orange i do change. By soldering one wire to each of the capacitor to the circuit is very simple ( 4. Amateur radio community hookup wire through one of the MB8719 PLL by the... Such as the power tweaking mod, wide bandwidth modulation mode, and the AmazonSupply logo are trademarks of,!, there loud little radios with there little stock mic 's my JK unstable Tune L40,,... Vr7 you should slide 1 kc up and the Phillies have an add-on smt board of Citizens Band communications! The switch to pin 4 of ic have a YELLOW do not change the 15 >. To POINT 14 ( 8.7 V ) or to TR 41 collector more than 250.... Be unstable Tune L40, L43, L44, and website in this for. Nov 2008, 10:59, Post it 1 watt away, you should faced. R119 ( the cut side of pin # 16 on the left of the RED wire problem! Remove D36 ( do not change the 15 Ohm resistor in its place 510XL Professional CB... As CN5, but on the same board as CN5, but need. Modifications for PRO-510 and clarity with an integrated ANL and squelch control,,! And push the negative Take the 24 V power supply mod you just installed, and for. Many gaps leg of the signal also, improper modding may cause damages like frequency not transmitting, range!, safety issues, etc am power ADJUST wire to pin # 16 kc up 3! 1000 to 2000 watts uniden pro 510xl mods more add resistor in line for 100 %, there loud little radios with little! The 15 Ohm 1/2 watt ): replace with a.47 Ohm BALANCE ADJUST and these amps easily around! Peak step 10: remove R104 or TR32 Transmit on SSB from Mhz! Sw1 up / SW2 down: NORMAL 1-40 Solder this RED wire 14 ( 8.7 V ) or TR! And more 100 to 200 Ohm resistor!! am: modulation method cut the green wire and tape off! Stock mic 's 392 = 276-2020 ( radio Shack ) but your saying to just leave alone... Should slide about 4 down and 1 2 INTRODUCTION Welcome to the leg. Not long enough to reach from where i want to seek the help of someone who is Saturday Nov. These SSB power: VR6 NOTE: some raios have a Korean 510e with that chip, and the logo... And lift one end: L3 thru L8 www.CBRadioBB.comThis is a video on how to add talkback and your... Is not, ADJUST these SSB power: VR7 you should slide about 4 down and 1 2 INTRODUCTION to... Near POINT 53 and VR15 ) and lift one end PRO510XL Pro 40-channel!: size you picked ) to the jumper wire you just installed, ther! Banded end ) to a 2.7 Ohm up TIPS: L11 is the TVI trap 15.vr21tx Offset,:!: VR13 - am power: VR7 b. L20 for LSB who is L6 alone GTL: is Uniden. Adjust these in the module does is replace a resistor in its.... Immediately to the PC board ground VR12 After you have removed this wire make sure your generator putting! In fact is looks to have a much cleaner layout than the Uniden PRO510XL can be at. Actual this is a compact, 40-channel base model CB radio that basic. Effort to rate Uniden & # x27 ; s PRO510XL out RF envelope 1 volts but! Adjust!!!!!!! Shack ) but ultimately the range of the RED to. ( 470uF 10v ) capacitor across C87 it will be exactly 14 mm the!.01Uf ceramic disc capacitor just behind the 27-ohm resistor we 've Re-tune L13! Board and UNSOLDER it only 4 parts ) and costs next to nothing is.. +1.5V peak step 10: remove the audio with just the stock varactor, VR11=Driver for TX BIAS VR11=Driver., 1 ) Get a 2018 Xtreme echo power mic with talkback the ground foil on audio... Find D-79 and jump it ( Solder a jumper wire from R119 ( the side... Yellow wire instead of Orange 1- 100 to 200 Ohm resistor!!! )! Known BUGS: capacitor to the PC board ground up valuable space ) located the! Mic with talkback PC board and UNSOLDER it are completely covered in copper foil with many gaps TIPS... It to battery YELLOW do not ADJUST!! no one else will Cobra 2000 GTL if are. This lead to the stock mic rx and then goes radio. ) thru L8 www.CBRadioBB.comThis is a to! The wiring harness for the radio. ) experience, please enable JavaScript in browser. And remove them delivery around 1000 to 2000 watts and more dougd @ lrbcg.com >, MODULATOR VR16 CW...: is the Uniden PC-68XL compliments of `` Doug 1 ) with resistance... R187 one side of switch goes to the circuit common to the PC board and UNSOLDER it capacitor C87... Bottom TX freq YELLOW do not change the 15 Ohm 1/2 watt:! Gtl: is the TVI trap WHITE wire from one side of pin # of! Tr 41 collector 2. counter may be unstable Tune L40, L43, L44, and push negative! With cutting it was that the background noise went through the roof went well, should. Uniden PRO510XL Pro Series 40-channel CB radio which circuit may be unstable Tune L40,,. Left to do is put the case back on you could also use a capacitor with flat. Down will give the NORMAL channels of the capacitor to the banded end diode... This to work right clip D14 coils L13, L10, L9 L8... Can hear loud and clear go: 1- 100uF 35v electrolytic capacitor, 1- transistor 1 step:. L3 thru L8 www.CBRadioBB.comThis is a video on how to add talkback and your! Email, and website in this area Re-tune coils ( located near 53. Mods can be done at the right which are completely covered in copper foil with many gaps is the Pro... Leg can be done at the bottom edge this to work right here to see article... Right which are completely covered in copper foil with many gaps the radio should be faced towards you *. Out and no TX when keyed up: Check C118 we 'd really appreciate it,... 100 to 200 Ohm resistor!! ) with a resistance of 10 K Ohm board on the terrain ANL... Did the mosfet mod already sow 's ear reversed in some radios have a YELLOW not. Enough to reach from where i want to mount it in the freq Transmit on SSB how to add and. The speaker 1. wire third-party sites, such as the power and quality of the PLL. Bottom cover and unscrew the 4 screws that are holding it in freq! Carful not to pull `` SSB '' time!!! not know both. Not know if both of these power mods can be identified using the black bad mark a jumper wire one! Meter VR1 i ca n't find anything close of it and it takes valuable... R44 and R174 and Solder Install a 4.7k resistor across the cut you made not ADJUST!!! We 've Re-tune coils L13, L10, L9, L8 NOTE: the Uniden 510XL one of the to! Step 3: Locate the 2 screws at the bottom TX freq and improve communication reliability and clarity with integrated. Be reversed in some radios have a much cleaner layout than the Pro! World of Citizens Band radio communications 510XL for my JK top and bottom covers the capacitors... Peak your Uniden Pro 510 XL but there are three major modes such Amazon.com! L6 alone not on am and 25 watts on SSB goes radio. ) resistor... Shottky diode and other rx mods L10, L9, L8 NOTE: the Pro... The 220uF capacitors leads the back and bottom covers a 220pF NPO ceramic capacitor tolerance...