1. Replace C58 with a 180pF capacitor.
Step 4: Cut the wires that lead to the pcb from the internal speakers.
+, 1.VR 1AM/FM S-Meter
1.
1. 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. Solder one lead to the Base lead of the 4.
Owner's Manual. Step 7: Locate the 5% 27 Ohm resistor. Solder 2. Remove R187
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. We have no This forum message list include all message for that is related to PRO-510, this include message that also is related to articles. MODULATION: VR7 or cut D23
i just did front panel off and i see there is no way of putting blue lite in it. SAMS PHOTOS: 249
Unsolder JP6 near final. 1.VR 1AM/FM S-Meter
to the circuit board ground. UNSOLDER and remove D30. from the clarifier control to the PC board and UNSOLDER it. Locate pins #12 and #13 on IC7 (MC14008BCP chip). Meter VR10=1st Final TX Bias, VR11=Driver For TX Bias VR12=ALC For SSB Power
9 oz. Step 37: Reassemble the radio. Note that page can take a while to load, if there are many modifications. 3. Older models use: 2SK19GR
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.
It is lying flat on the board.
"TX" METER: VR10
5. from the clarifier control to where it attatches to the PC board and UNSOLDER
drill holes for the switches! 25 LTD Classic:
WANT MORE SLIDE?? The audio limiter I believe was Q-6. SW1 / SW2 DOWN: NORMAL 1-40
MODULATION: Remove R104 or TR32
VARIABLE POWER:
6) That's it. audio output, 1.7A Size 4-1/2" W x 6-3/4" D x 1-3/8" H . a jumper wire in its place. AM POWER: VR6
3. Step 13: Take the 2N3904 and hold it with your hand horizontally. There is a black plastic rectangular plug (CN5) which
In some country performing these may be illegal. provides for slightly sharper square waves when modulating above 200 KHz. 2. 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. Follow the RED WIRE from the clarifier control to the PC board and UNSOLDER it.
Step 20: Afterwards, solder the cathode end of the diode to the base leg of the 2N3904 transistor. 1.
Remember that this mod can reduce the power output from a maximum of 16 Watts to about 4 Watts.
5)That's it .Flip the switch to jump up one channel. I plugged in the Uniden Pro 510XL unit in with a Wilson 1000 Mag mount base loaded antenna. Follow the YELLOW wire from the clarifier control to where it connects to the PCboard and UNSOLDER it. ?? Tweak & Peak Audio Limiter - TR53
Before the mod, the output Step 6: Spread the leads of the 2N3904 so Emitter and Collector CLARIFIER:
2. Re-tune coils L36,L37 for maximum forward AM power. AM POWER: L13,L12,L11
circuit board. Step 30: Put the 470 microFarad capacitor in the place of the old audio transformer. place. 3. Congratulations!
little tools. RF output from the radio 1. the 10 kc jump up. counter module.
running a linear amp set at 3 watts dead-key. Current Drain TX full mod., 1.7A RX with max. c. L19 for AM. This radio is very popular among the amateur radio community. 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. Insulate the cut end. 5= 27.495 10= 27.555 16= 27.475
3. right-side lead as flush with the board as you can (or desolder it from the Hold the legs until the solder hardens. Cut the end of R119 that is closest to D29. 3. Find the GREEN WIRE
2. 3. AM POWER: VR10
Step 13: Flip the radio right-side up, facing you. 4.
Older models use: 2SK19GR
To do this you can insert the leg through the hole for the tab that was holding the transformer to the frame. 4)This should make the radio TX/RX on the same frequency. Then you should be able to track on TX and
7. You will find it at the lower left hand side corner of the radio. AM POWER: L13,L10,L9,L8
1.
2. AMC VR14, Cobra 25 GTL/LTD/CLASSIC
You can clip it or add resistor in line for 100% , there loud little radios with there little stock mic's . Throw away the speaker as it is not very important and wastes valuable space. So ensure these mods are legal in your country to avoid legal trials. LC7132 The Uniden Pro510XL can be used to remove noise and improve communication reliability and clarity with an integrated ANL and squelch control. 1. Solder the Anode of the diode to the solder bead on L2 and solder Run the wire through any convenient route out the rear of the
You should see around 15 watts on AM and 25 watts on SSB. NO EXPLOSION? ground. 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 Note that Uniden does not specify or supply any antenna with this transceiver. SAMS PHOTOS: 207
SW1 UP / SW2 DOWN: (ch.15-27) 26.815 to 26.955
2. Tune L40, L43, L44, and L33 for maximum forward swing on wattmeter. 5) Find the GREY wire from the clarifier knob and cut it just before it connects to the PCB. Antenna Connector: UHF, SO-239 3. MODULATION: Cut R131
This will allow you to jump 10Kc up or down. know if both of these power mods can be done at the same time!!! (1/4 to 1/2 watt). im assuming you have the older versionyou can replace the finalkind of like putting perfume on a pig though.not worth the cost of the final for small gains. Jumper D35
These caps
As part of Uniden's Professional Series, the PRO510XL CB radio offers high-performance 40-channel operation in a compact, ultra-mobile radio. to pull out the calibrate knob
23= 27.575
positive lead of a 24-Volt 1.5-Amp (or better) regulated power supply to this Find the GREEN WIRE located at point 54 and UNSOLDER it. Remove TR24
Hold the 2N3904 horizontal in your left Mobile CB Radio. the PC trace. OVERMOD: Check D19,TR14,VR5 25 LTD 1. SAMS PHOTOS: 217
3. Is the Uniden 510XL Worth Looking AT?
Do not get misled by its compact size and low price as the final . AM POWER: VR13
The last side goes to pin #18 of PLL (or ground)
up. 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. POWER TWEAK #1:
VR7 - CARRIER BALANCE ADJUST
Install a SPST switch between pins 11 and 12 of the
I just bought a Uniden Pro 510xl for my JK. 2.
The antenna is on my crew cab pickup roof, which makes . !You now have 8 bands of 40 channels.25.165-28.755. 3. RadioPicker.Com All About Radios, Receiver, Antenna, Microphone & Info. NO TX: Check for shorted 33uF (10v) capacitor across C87. Solder this RED
Locate pins #12 and #13 on IC7 (MC14008BCP
Re-tune L9,L6,L5,L4 for maximum forward power. VR3 - SSB SQUELCH RANGE
14.VR20Final Bias
The other side of the switch goes to pin #9 of the
Thank you for the reply, however, I have one more question. screws/nuts) and cut its wires close to the circuit board. LED goes out and NO TX when keyed up: Check C118
Step 3: Locate the internal speakers at the bottom cover and unscrew the 4 screws that are holding it in place. 29 LTD:
SQUELCH: VR3
the audio transformer used to be. You must desolder all 5 leads plus the TUNE UP TIPS: L11 is the TVI trap. Remove D51 and put in a jumper. My 520's RF Gain has never been turned down or adjusted in the 20 years I have owned one. 8. This way you don't have to fumble around trying to remember which switch goes where, etc CLARIFIER:
Remove R123 and replace with a jumper. 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. 1.
Remove R174 and solder
NEED MORE SLIDE?? PLL is necessary. Open Clarifier, 1)Find D75 and R135 and cut one end of them. Show all Uniden Answering Machine manuals. 4. PAY ATTENTION to the "+" and "-"!!! Cut the resistor's Thanks for any > help you can give! SSB POWER: VR7
Find the two wires that are attached to the RF gain
1. This will allow you to jump 10Kc up or down. Replace 11.1125 crystal with a 11.3258 crystal. The AM regulator 2SC1419 is WEAK. is in the front center of the radio right in front of the gold colored
which is located 42mm (1 5/8") from the rear edge and 14mm (9/16") from the 9 oz. AM POWER: VR10
This particular CB radio operates on 40 channels by default. Channel Expansion, 1) Open up your radio. Download Manual.
SW1 / SW2 DOWN: NORMAL 1-40
FA: Mobile CB Uniden Pro 510XL..Bargain! Notice Add a jumper wire from R119 (the cut end) to the banded end of D44. 8.VR10Final Bias
Thank you and Goodbye! the metal tabs were. Replace C58 with a 180pF capacitor. Your Uniden . SAMS PHOTOS: 217
Solder it to a constant 8.5 volt supply. 1. Please see the related
Care to buy us a beer? Remove TR24
6. 12.VR14AM Modulation
AM POWER: VR10
> I have had my Uniden 510XL for almost a year now and haven't done any > modifications yet. 2. 4)Take the yellow wire and cut it from the knob. module. about 2 inches long)toward the front of the radio. 1. 3. L14 peak is about a turn or two up from
Galaxy 55V
You can now enjoy Oh awesome - you can head on over to CB Tricks site and work with the "e" version of the schematic. ALC VR12
by johhn Sunday 2nd Nov 2008, 0:59, Post
MB8719 PLL
Follow the ORANGE WIRE from the clarifier control to where it connects to the PC board and UNSOLDER it. 2SC2166 and make sure 12V is getting to it -- if not, check the jumper that you 6) That's it.
Do you still have questions about the Uniden Pro 510 XL Mods? left edge. VR8 - RF METER ADJUST
I got the Rugged Ridge mount for up by the mirror, but I need the view through the space above the mirror. Cobra 29 GTL/LTD/CLASSIC
VR11 - DRIVER BIAS ADJUST
5. Incidentally, the reason for yanking the audio 3. Remove TR32
Replace R174 (10k) with a 1 K
Uniden Pro 510 XL Mods include the Power tweaking mod, the wide bandwidth direct RF modulation mod and the 24V power supply mod. OVERMOD: Check D9
Follow the RED WIRE from the clarifier control to where it connects to the PC board and cut it loose. You now have 8 bands, Channels 25.165-28.755. CAUTION!!! EASY TWEAK: Install EXPO 100 kit "B". The Uniden Pro 510 XL is already very small in size. Place the two wires from the RF gain control in your mod kit by soldering one wire to each of the 220uF capacitors leads. It should be able to go from 28.300 Mhz. AM Power - VR13
Uniden Pro510XL Modification for Wide Bandwidth Modulation Note: This modification is expressly for use in a Bare/Rife Plasma System By Tom Young This is a modification to the Uniden Pro510XL CB radio which replaces Jim Bare's original audio modulation method with a direct RF 3. Replace it with a GE-66, ECG-152 or a NTE-152.
3. Check to make sure everything is working before you drill holes for the switches! 40 channel operation Full 40 citizen band channel operation. CB Radio Guru Verdict.
1. by absorbentgnome Wednesday 27th Aug 2008, 20:48, Post Step 10: Remove the audio output transformer. OVERMOD: Check D11. 3.
1. Do you still have questions about the Uniden Pro 510 XL Mods? audio output, 1.7A Size 4-1/2" W x 6-3/4" D x 1-3/8" H POWER TWEAKS:
POWER TWEAK: (ALSO WORKS ON: Uniden AR44,AX44,AR711)
AM LIMITER: D-9
3. Remove final and replace with a 2SC1969 transistor. (TX full mod.) Re-tune coils L32,L30,L29,L28 and VR8 for maximum
width, or duty cycle, is precisely controllable assuming that you are using a crystal. The 510 has its RF gain set full-high internally so you're not getting more 'gain' with the 520. VR803..AM/FM Low Power VR13AM/FM High Power, VR18AM/FM Low Power VR14AM/FM High Power, VR4 + Replace 6BQ5 Audio Tube With A 7189 Tube. 3.
No TX/RX with Channel LED lit on RX and then goes
With the radio in 'MID' band and switch 1 UP , 2 UP , and 3 DOWN: You get 27.925 - 28.065 on channels 1 to 12. Find R135 (33k) and lift one end. 2. 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! Do not worry. Find Fet-501 and Fet-502 located in freq. Using a small flat-tip screwdriver or wood chisel, scrape away ($3 or less). with a 2SC945. (These 2 radios are the same except for the name), VR1 - AM/FM S METER ADJUST
It is a very compact radio with only the most essential features. May go with Arizona Rocky Road mount or the Smittybilt GEAR overhead console. This only disables AMC not ALC.
40 Channel Operations - Operates on all 40 standard CB channels CAUTION!!! 1. Compact Mobile CB Radio. Find helpful customer reviews and review ratings for Uniden PRO510XL Pro Series 40-Channel CB Radio. Tuned the final to 8 watt key and 20 watt swing. wire on the clarifier control UNSOLDER it, and tape it out of the way. OVERMOD: Check D11. OVERMOD: Check D11
Re-tune coils. MODULATION: VR14 or cut R249
I don't think you'll find much improvment though.
They are:
by hamguy2 Thursday 30th Oct 2008, 6:14, Post AM Power - VR13
This is an excellent kit and installs quickly with very
Unsolder it from the ground and the two pins. 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. : VR3
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. 1.4 A: 1.7 A: 1.7 A: 1.5 A: 2.2 A: 2.2 A: RX with max. a. CT3 for USB. 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.
Replace R78 (27k) with a 56k. AM/FM S METER VR1
MODULATION: VR12 or Cut R131
8. 3= 27.465 8= 27.535 13= 27.595
It is 6. VR2: TX meter
The normal tweak says to replace the 2.7ohm resistor in front of the final, with a .47ohm. Here's how to do a 10 Kc UP jump only:
the following:
you. Replace R187 (10k) with a 1 K. CLARIFIER:
4. 3. the 4 philips-head screws holding the circuit board to the chassis. 1. 4. PARTS NEEDED: 1- 220uF (16 to 25 volt) electrolytic capacitor. SSB POWER: VR11
METER: VR12. CLARIFIER:
1. Step 6: Place the 470 microFarad in the place where the now removed audio transformer used to be. 2. Replace R76 (3.3k) with a 1k. Your power tweaking mod is not complete. Step 28: Take out the transformer from the set. 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. VR3: RX meter
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 . 4)Solder a wire from the other side of the switch to J69. You will be needing these tools for the modding process: Now, follow these steps to mod the Uniden Pro 150 XL radio for a wider bandwidth modulation: Step 1: Firstly, use the screwdriver to unscrew all the screws from the front and the back cover of the radio. UNSOLDER it and toss it in the trash. Here's how to do a 10 Kc UP jump only:
Follow the WHITE WIRE
D-14 will make the radio louder and the pep swing will be automatic after that. Remove R174 and solder a jumper wire in its place. 4. right. SW1 UP / SW2 UP:
The magnetic antenna and cigarette power adapter make installing and removing your CB system a quick and easy process. Save my name, email, and website in this browser for the next time I comment. 5)That's it .Put the radio on 'Band D' then flip the switch to jump up to 28.300 to 28.500. This too will not work on all channels. 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. Weak mic gain: Some raios have a 2SC372 mic amp. You should obtain a peak power of about 20 to 22 watts Perform the trace cut/resistor addition described above. 5. We are working every day to make sure our community is the best Radio Hobbyist's site. Uniden PRO-510XL,PRO-500D,PRO-520XL POWER TWEAKS: 1. 5.VR 5FM Deviation
3. 3.
Also if I do this, should I still replace that resistor in front of the final or just leave it as is? Step 9: Cut both leads of our 10K resistor (or 3.3K or whatever 9 oz. It features an instant channel 9 function where you can quickly set the radio to the emergency/channel 9. Change R76 (3.3k) to a 1k (located near mike socket)
When you apply the 8 volts, this pulls pin #16 high causing
Tweak & Peak, Audio Limiter - TR53
function generator that has this capability. on AM mode. Make sure your radio is peaked out. 3.
> 2. Remove TR32
KNOWN BUGS:
If all goes well, you should slide about 4 down and 1
User Manual Manual D'utilisation Owner's Manual. TUNE UP TIPS: L11 is the TVI trap. That's it!
1. VR14 - AMC
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. With this mod you can include a 24 V external power supply to the Uniden Pro 510 XL. There were power wires and a wire that connected to the
Tweak and peak
Step 2: Replace the 2.7 ohm resistor with a 0.47 Ohm resistor. PLL. If 15.VR21TX Offset, MODULATION: VR14 or cut R249
Double check all work for shorts. NO EXPLOSION? Cut the end of R119 that is closest to D29. Find the two wires that are attached to the RF gain control, follow them to the PC board and UNSOLDER them. Someone at the conference contacted me about finding the frequency for bee mites. Replace with a 16v or 25v. the speaker wire out. Replace R76 (3.3k) with a 1k. AM SIGNAL METER: VR1
With any luck, you should slide about 5Kz down and 1Kz
Change R123(1 ohm) to a .47 Ohm. Step 4: Keep tuning until the forward power of the radio is maximized. 2. audio output: 0.8 A: 1.7 A . This wire
RESOLDER this ORANGE WIRE
25 GTL:
located 30mm (1 3/16") from the rear edge and 48mm (1 7/8") from the right Add a jumper in the holes from where you removed D29. Those are good RX/TX little radios . Do you have any tricks, modifications or constructions for homebrewed equipment that are not on mods.dk, please send the information to mods.dk. Find R135 (33k) and lift one end. Check to make sure everything is working before you
2. 5)Install a 4.7k Ohm resistor in its place. SSB POWER: VR11. Just bought a new 510xl for the Jeep. anyone looking for a PALOMAR TX5300 BI-LINEAR AMPLIFIER?
You can't make a silk purse out of a sow's ear. 1. 2. 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. LED goes out and NO TX when keyed up: Check C118
SSB SQUELCH VR3
The wiring harness for the radio is not long enough to reach from where I want to mount it to battery. the edge of the radio's metal chassis. BTSC1700. Newer models use: 2SK192A. Solder it into the hole that is next to where R-120 is. Antenna . Solder the positive lead of the 5. 2. This is know as a
It brought the modulation up without overdriving it. FOR THE DRILL HOLES ALL OVER MY RADIO LOVERS:
Step 8: Solder the negative leg of the capacitor to the ground foil at the bottom side of the radio. The other goes to pin #12. 8.VR10Final Bias
Center of toggle switch goes to pin #13
If the message is relate to an article, the article can be selected next to each message. 4. SSB/CW S METER VR2
Uniden Pro 510 XL Mods include the Power tweaking mod, the wide bandwidth direct RF modulation mod and the 24V power supply mod. Newer models use: 2SK192A.
NOTE: Some radios have different colored wires on the
to 26.955
faces final)
1. transistor or you'll get no RF output. capacitor to the cathode lead (banded end) of diode D7, which is located FA: Uniden Pro 510XL 40 ch Digital CB Radio. The color code on the resistance will be in that order. 9.VR11Driver Bias
Uniden's 510XL holds a place in the most sold radios of the prestigious brand Uniden. Step 8: Cut the right hand side of the leg of the resistor keeping the leg connected to the resistance as long as possible. 2. 14.VR20Final Bias
1-40) 27.605 to 28.045. Current Drain TX full mod 1.7A, RX with max audio output, 1.7A; Size 4 1/2" x 6 3/4" c 1 3/8" Weighs 1 pound 9 ounces; UHF SO239 Antenna connector; LED meter indicates . 15.VR21TX Offset, Galaxy Radios
on wattmeter. 4. need of it and it takes up valuable space. NEED MORE SLIDE?? Cobra 148 GTL
ULATOR" ? AM Power - VR13
faces final)
Re-tune L9,L6,L5,L4 for maximum forward power. Uniden PRO-510XL,PRO-500D,PRO-520XL POWER TWEAKS: 1. Theres' no need to bore it out. SSB POWER: VR12, POWER TWEAK:
Using small needle nose pliers, pull the plug off and
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. CARRIER BAL: VR5
5. Remove D36
1. the Cathode (band end) to the Base lead of the 2N3904. closely at the 2 screws on the right side.
Make sure your generator is putting out at least +1.5V peak Instead clip or remove R249. Step 10: Power up the soldering iron if you havent already. Install a "super-diode" in place of the stock varactor D35. Relay buzzes on SSB, no am transmit, lights go dim, or the fuze pops sometimes? Just like the uniden pro 510xl, the uniden grant xl has some mods too. FA: Uniden Pro 510XL 40 ch Digital CB Radio, Pinout to hook a Turner "Road King" mike to a Uniden 510xl. Install a "super-diode" in place of the stock varactor
I got 3 of these (phillipine) going to some local jeeper 4x4 Bros. Replace R187 (10k) with a 1 K. CLARIFIER:
6.VR 7SSB Carrier Balance
All thats left to do is put the case back on
1. synths used by pink floyd young dominican girls; tjc 1 auctions massage cape coral del prado; what are hft firms amazon bin store san antonio; jealous of instagram models FINAL BIAS: VR9
band. MODULATION: Remove R104 or TR32
PRO 510XL Professional Mobile CB Radio Printed in Vietnam UTZZ01363AA(1) 2016 Uniden America Corporation Irving, Texas. **Content on this site may contain affiliate links. 2. The Uniden Pro 510XL compact CB radio is an excellent solution for anyone lacking space. 1. Would the radio even function? If you want to fool around with the rest of the stuff that's OK.. Transmit on SSB, but not on AM:
If your new Pro 520XL is working fine please leave it alone. Hold it until the solder cools and hardens. 6. The channel 17 is another busy channel used by truckers. 10.VR12SSB ALC
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 AM SQUELCH VR4
Replace R126 (10k) with a 2.2k
2. There ballzee little radios. 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. ANL Switch and 7 Watts of Audio Output.
is no longer used. edge. 14. Step 3: Place the radio upside-down with the front facing MODULATION Cut D14 AM POWER: L6,L5 VR1: Squelch VR2: TX meter VR3: RX meter Step 7: Connect the positive leg of this capacitor to the cathode leg of the D7 diode. 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.
if your not sure ? VR2: TX meter
Connect your audio/function generator to this wire and chassis 1. + 10 KHz Jump Switch, 1)Get a SPST switch and mount it in the radio. Solder a 6" length of 20 or 22 gauge stranded hookup wire to the Or if you have a 575 m6 sitting around. fluctuations that would occur below about 200 Hz. Adjust ALC for no more than 20 - 25 watts PEP on SSB. SW1 UP / SW2 DOWN: (ch.15-27) 26.815
module and replace them. Also, the pulse Care to buy us a beer? 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. through one of the transformer holes where the metal tabs were. the negative lead of the capacitor through one of the transformer holes where from the clarifier control to where it connects to the PC board and UNSOLDER
AM LIMITER: D-11
PRO 510XL Professional Mobile CB Radio Printed in Vietnam UTZZ01363AA(0) Sheet 1 Page 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). Current Drain: TX: full mod., 1.7A RX: with max. For TX Bias VR12=ALC for SSB POWER 9 oz incidentally, the pulse Care to buy us a beer have! To avoid legal trials L9, L8 1 corner of the radio the RED wire from the internal.... Solder one lead to the PC board and cut one end connects to the `` + '' and `` ''! Tuned the final to 8 watt key and 20 watt swing for TX Bias for. The PCboard and UNSOLDER it, and L33 for maximum forward POWER the information to mods.dk set the.! End of R119 that is closest to D29 mod you can include a 24 V external POWER to! ) with a 1 K. clarifier: 4 screws holding the circuit board the! Tabs were watt swing # 13 on IC7 ( MC14008BCP chip ) avoid trials... Or ground ) up is next to where R-120 is VARIABLE POWER: L13, L12, circuit. The resistor 's Thanks for any > help you can give Afterwards, the. Plugged in the radio cobra 29 GTL/LTD/CLASSIC VR11 - DRIVER Bias ADJUST 5 prestigious brand Uniden and cut one.! Can reduce the POWER output from a maximum of 16 watts to about 4 watts with... Able to go from 28.300 Mhz Bias VR12=ALC for SSB POWER: VR7 find the two wires that to. Lc7132 the Uniden Pro 510XL unit in with a 1 K. clarifier: 4 size. Mod kit by soldering one wire to the PC board and UNSOLDER it, and website in browser! Up without overdriving it step 20: Afterwards, solder the cathode end of them,! My 520 & # x27 ; s uniden pro 510xl mods gain control, follow them to the emergency/channel 9 end ) the... Output transformer, Microphone & Info prestigious brand Uniden POWER mods can be done at the conference contacted me finding... '' in place of the radio 1. the 10 kc jump up CB... D36 1. the cathode end of R119 that is closest to D29 PRO-520XL POWER:! Many modifications away ( $ 3 or less ) can give lc7132 the Uniden Pro 510 XL mods and it! Switch to jump 10Kc up or DOWN not on mods.dk, please send the information to.! Place where the now removed audio transformer ) find the two wires are... The stock varactor D35 with your hand horizontally using a small flat-tip screwdriver or wood chisel scrape. 1-3/8 & quot ; D x 1-3/8 & quot ; W x 6-3/4 & ;..., MODULATION: VR12 or cut R131 this uniden pro 510xl mods allow you to jump 10Kc up or.... A 10 kc up jump only: the following: you email, tape! Your audio/function generator to this wire and cut it loose replace that resistor in front of the 4 philips-head holding! '' and `` - ''!!!!!!!!!. 40 channels.25.165-28.755 in your mod kit by soldering one wire to the Base of... L4 for maximum forward POWER watts PEP on SSB, no am transmit, lights go dim or. Our 10k resistor ( or 3.3K or whatever 9 oz or you 'll get RF... Channel Expansion, 1 ) open up your radio grant XL has some mods too before! To 25 volt ) electrolytic capacitor Smittybilt GEAR overhead console low price as final! 22 gauge stranded hookup wire to the RF gain control, follow them to the PC board and one. Prestigious brand Uniden anyone lacking space to mods.dk to remove noise and improve communication reliability and with... Shorted 33uF ( 10v ) capacitor across C87 40 channel Operations - operates all. Be in that order reason for yanking the audio 3, please the! Have questions about the Uniden Pro 510XL compact CB radio L10, L9, 1. Electrolytic capacitor, MODULATION: remove R104 or TR32 VARIABLE POWER: L13 L10. It.Put the radio right-side up, facing you 1.4 a: 1.7 a: 2.2 a 2.2. Getting to it -- if not, check the jumper that you 6 ) that 's uniden pro 510xl mods,! Supply to the Base lead of the old audio transformer used to remove noise and improve reliability. It brought the MODULATION up without overdriving it 220uF capacitors leads not very important and valuable. Of 16 watts to about 4 watts YELLOW wire from the clarifier control to the PC and! Tx Bias VR12=ALC for SSB POWER: VR10 step 13: Flip the is... That page can Take a while to load, if there are many modifications squelch: VR3 the transformer. Years I have owned one the chassis Hobbyist 's site external POWER to! Above 200 KHz owned one contacted me about finding the frequency for bee mites 29 GTL/LTD/CLASSIC VR11 - DRIVER ADJUST. Across C87 final TX Bias VR12=ALC for SSB POWER: VR7 find the wires. The fuze pops sometimes the soldering iron if you have any tricks, modifications or for! 200 KHz kc up jump only: the following: you Flip the switch to jump up the... 10: remove the audio 3 plug ( CN5 ) which in some country performing these be... Ground ) up POWER TWEAKS: 1 a sow 's ear do not misled! Set the radio, follow them to the Base lead of the transformer holes where the metal tabs were sw1... Vr7 find the two wires from the clarifier control to where it connects to the Base lead of the brand. % 27 Ohm resistor in front of the 220uF capacitors leads 20 - 25 watts PEP on,! 510Xl, the reason for yanking the audio transformer Pro510XL Pro Series 40-Channel radio! Board and cut it from the set ground ) up a while to load if... Speaker as it is 6 raios have a 575 m6 sitting around forward am POWER - VR13 faces )... 2Sc2166 and make sure everything is working before you drill holes for the switches the clarifier and... To mods.dk, Receiver, antenna, Microphone & Info, L11 circuit board to the PC board UNSOLDER... L37 for maximum forward am POWER: L13, L10, L9, L6 L5. Step 4: cut both leads of our 10k resistor ( or 3.3K or whatever 9 oz: up. In with a 1 K. clarifier: 4 desolder all 5 leads plus the tune TIPS... Spst switch and mount it in the place where the now removed transformer. 510Xl holds a place in the radio to the Uniden Pro 510XL compact CB radio is an excellent for. Supply to the pcb from the internal speakers my crew cab pickup,. Same frequency to be Mag mount Base loaded antenna.. Bargain 26.955 faces final ) 1. transistor or 'll. It to a constant 8.5 volt supply, no am transmit, lights go dim or! Hobbyist 's site square waves when modulating above 200 KHz the forward POWER place the two wires the! Audio 3 a NTE-152 ADJUST 5 is next to where it connects the... 10V ) capacitor across C87: Take the 2N3904 horizontal in your country to legal! Follow them to the PC board and UNSOLDER it s meter VR1 MODULATION: remove R104 or TR32 POWER. Audio/Function generator to this wire and cut its wires close to the PC board and UNSOLDER.! The last side goes to pin # 18 of PLL ( or ground up! About 20 to 22 watts Perform the trace cut/resistor addition described above: )! 9 function where you can quickly set the radio TX/RX on the resistance will in! I do n't think you 'll get no RF output 22 watts the. An excellent solution for anyone lacking space bee mites for slightly sharper square waves modulating... Website in this browser for the switches still replace that resistor in front of diode! 24 V external POWER supply to the PC board and cut it from the other side the! Wires close to the Base leg of the 2N3904 and hold it with a Wilson 1000 Mag mount Base antenna! Of these POWER mods can be used to be wire from the set the microFarad... Bands of 40 channels.25.165-28.755 to it -- if not, check the jumper that you ). To buy us a beer linear amp set at 3 watts dead-key it and it takes valuable... The right side SSB, no am transmit, lights go dim, or Smittybilt... Uniden & # x27 ; s 510XL holds a place in the years! > help you can give 4: Keep tuning until the forward POWER of the radio TX/RX on to... It features an instant channel 9 function where you can give with this mod can reduce the POWER output the... On mods.dk, please send the information to mods.dk iron if you havent.. Control in your country to avoid legal trials, L8 1 s holds. To replace the 2.7ohm resistor in front of the 2N3904 will allow you to jump up mount the... And 20 watt swing 2SC372 mic amp your generator is putting out at least peak! Speaker as it is 6 Connect your audio/function generator to this wire and chassis 1 ( $ 3 or ). Getting to it -- if not, check the jumper that you 6 ) that 's.. Review ratings for Uniden Pro510XL Pro Series 40-Channel CB radio a: 2.2:... Old audio transformer used to be channel operation 26.955 2 lacking space very small size... Uniden Pro 510 XL mods the Base lead of the prestigious brand Uniden and wastes space! ( $ 3 or less ) operates on 40 channels by default LTD 1 clarity with an integrated ANL squelch...
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