For modulation, there is no resistor, so all you can do is either remove the D14 diode (modulation limiter) or run a power mic. Find Fet-501 and Fet-502 located in freq. Solder the jumper wire in place. Cut one side of R44 and D52. faces final)
1. This forum is for discussions on CB radio matters (RadioMods Website), software support with S&M Software, and discussion about my own music.
factory original setting. These caps
MODULATION: Cut R131
Need schematic for a uniden pro 510xl.. Should I upgrade from Uniden Pro-510XL to the Uniden PC-68XL?
it. audio ic and move to pin 4 of ic. 2. Click here to view all the ABOVE modifications for pro-510 in one page. REPAIR TIPS:
Find R135 (33k) and lift one end. Install a SPST switch across the cut you made to isolate
SSB/CW S METER VR2
Good luck! If you're looking for a no-frills radio that will get the job done, the Uniden 510 is a great choice. Replace R124 (10k) with a 4.7k
Re-tune coils L36,L37 for maximum forward AM power. SW1 / SW2 DOWN: NORMAL 1-40
You can and see what it gives you , if not , just leave well enough alone. completely around these screws and also a gap and more foil to the rear of both 1. POWER TWEAK
Using small needle nose pliers, pull the plug off and
Remove D51 and put in a jumper. 2. 29 LTD Classic:
2) Find D-79 and jump it (Solder a wire across it)
2SC2166 and make sure 12V is getting to it -- if not, check the jumper that you Click here to see the article list for PRO-510. MODULATION: VR12 or Cut R131
Thank you and Goodbye! 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. We'd really appreciate it. installed where the transformer was, as it must now connect the 12V to the Uniden PRO-510XL,PRO-500D,PRO-520XL
2. Step 17: Heat up the soldered spot of the L2 transformer. Compact Mobile CB Radio. 11 meter band on Band D. NOTE: You also have
15.VR21TX Offset, MODULATION: VR14 or cut R249
counter
Basically, you need to either add voltage or ground pin
NO EXPLOSION? Put a voltmeter on the collector of the RF output transistor stock varactor. VR5 - FM DEVIATION ADJUST
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 . also is there a way to add talkback without a pa system. 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. BTSC1700. Someone at the conference contacted me about finding the frequency for bee mites.
cut or removed, Variable Alignment Points That May Have Been Adjusted, VR1=AM S-Meter VR2=SSB/CW S-Meter VR3=SSB Squelch
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? Change R43 (10 Ohm) to a 2.7 Ohm. side. I just recently re-worked one of my pro-510s. 2.
VARIABLE POWER:
5.VR 5FM Deviation
Find the two wires that are attached to the RF gain control, follow them to the PC board and UNSOLDER them. Thank you for the reply, however, I have one more question. what can i do to a 510 to peak it up. 1. 1. 29 LTD Classic:
Notice (DO NOT change the 15 Ohm resistor!!) VR16 - CW MON ADJUST
the fuze pops sometimes? 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. the 4 philips-head screws holding the circuit board to the chassis. Your Uniden Pro 510 Xl radio is now modded for using a 24 V external power supply. The management works very hard to make sure the community is running the best software, best designs, and all the other bells and whistles. 11.VR13AM/FM High Power
are on the same board as CN5, but on the oppisite end. Remove R174 and put a jumper in its place. Find D52, R44 and R174 and remove them. Replace
Replace with a 16v or 25v.
Do you still have questions about the Uniden Pro 510 XL Mods? 4)Remove the jumper that is J25. MODULATOR AND VARIABLE POWER
Use a SPDT switch and wire as follows:
VR5 - FM DEVIATION ADJUST
You will find it in front of the 15 Ohm final bias resistor.
Seeking info on shottky diode and other rx mods. Follow the ORANGE WIRE from the clarifier control to where it connects to the PC board and UNSOLDER it.
upside-down facing you. 3. wire from the clarifier control to where it connects to the PC board and
Add a jumper in the holes from where you removed D29. The antenna is on my crew cab pickup roof, which makes . 1. Cut the resistor's to 26.955
Remember that this mod can reduce the power output from a maximum of 16 Watts to about 4 Watts. Throw away the speaker as it is not very important and wastes valuable space. Now you know about the Uniden Pro 510 XL mods. Save my name, email, and website in this browser for the next time I comment. Solder the positive lead of the It will operate on any of the 40 AM frequencies . end of D44. 13.VR16AM/FM Low Power
2. Congratulations! (negative
1. Replace R126 (10k) with a 2.2k
Re-tune L9,L6,L5,L4 for maximum forward power. 3. The AMC is D-203 and the power adj. POWER TWEAKS:
and make it 18mm (11/16") between the bends. 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. 2. Using a SPST toggle switch, wire as follows:
SW1 UP / SW2 DOWN: (ch.15-27) 26.815 to 26.955
There were power wires and a wire that connected to the
Tune L40, L43, L44, and L33 for maximum forward swing
I got 3 of these (phillipine) going to some local jeeper 4x4 Bros. Turn these adjustment screws all the way to the right. As was posted you do not want to start soldering the surface mount components. 3. It is
Step 35: Remove the foils from the screws using the tip of the screwdriver.
on the clarifier control and UNSOLDER it.
", The above is compliments of "Doug
I want to wire it directly to the battery as this seems to be the preferred way from what I can find out. SSB POWER - VR-12, SUPERSTAR 1700, 3600, 3900
Fine and dandy I can understand that. Remove R174 and put a jumper in its place. 1.4 A: 1.7 A: 1.7 A: 1.5 A: 2.2 A: 2.2 A: RX with max. RED instead of BLUE. 1. Time to start troubleshooting my Cobra 148GTL radio, need to find out what is up with it. If all went well and you didn't smoke your radio, you should slide about 1 Kc up and 4 Kc down. 3. 5. 3. No smoke? 4. Step 13: Flip the radio right-side up, facing you. Hopefully this should give you about 3 khz of slide. Put back the covers at the front and at the back. forward AM power. 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 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. Automobile Accessories. This way you don't have to fumble around trying to remember
(DO NOT change the 15 Ohm > resistor!!) I've never understood why you would want to swap around the finals in a radio just to gain an extra watt or so. FM DEVIATION VR5
Follow the ORANGE WIRE from the clarifier control to where it attatches to the PC board and UNSOLDER it. You need the same tools that you used in the Wide bandwidth direct RF modulation mod. to 28.500 Mhz. Remove TR32
No smoke? Install a 4.7K resistor across the cut you made. Unsolder JP6 near final. One side of switch goes to the cut side of pin #16. Uniden Pro 510 XL Mods include the Power tweaking mod, the wide bandwidth direct RF modulation mod and the 24V power supply mod. AM SIGNAL METER: VR1
Resolder this GREEN WIRE
I came up with the same results basically. 4. The wiring harness for the radio is not long enough to reach from where I want to mount it to battery. DRIVER BIAS VR11
power mics seem like a great solution for these radios. need of it and it takes up valuable space. it. to the circuit board ground.
OVERMOD: Check for missing or cut D9, missaligned
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. the modification. 2. 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 . PARTS NEEDED: 1- 220uF (16 to 25 volt) electrolytic capacitor. VR4 - AM SQUELCH RANGE
side of cap.
chassis, which provides better grounding for the audio generator and can 3. it loose. Tweak & Peak, Audio Limiter - R249
It should be able to go from 28.300 Mhz. Step 29: Short the left rear transformer hole with the middle of the three front transformer holes. + 10 KHz Jump Switch, 1)Get a SPST switch and mount it in the radio. I am thinking of doing some work in this area. That's it! mike plug.they didn't connect to anything inside the module! Radio Shack Through-Glass "Cellular Look-Alike" Antenna with WX Band Model: 21-802 3. 9 oz. on wattmeter. 4. 14.VR20Final Bias
Connect the 24-volt supply's negative lead to chassis
2. Peak and tune UNIDEN PRO 510XL. 12.VR14AM Modulation
POWER TWEAK #1:
Planning on mounting the antenna with a tail light bracket mount. This will allow you to jump 10Kc up or down. We pride ourselves on welcoming Radio Hobby enthusiasts of all types, while offering unbiased, informative, and friendly discussion among the members. CB channel 19 is the busiest of all CB channels. capacitor to the jumper wire you just installed, and push the negative lead
radio (I drilled a 1/8" hole next to the antenna jack). 5) Reconnect the plug to the board. ORANGE
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. Channel Expansion, 1) Open up your radio. 3) Cut the green wire and tape it off. Midland 18-258 27MHz Window Mount CB Radio Antenna Model: 18-258 2. Vietnam. CB Radio Guru Verdict. Replace R78 (27k) with a 56k. 29 LTD:
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 . This only disables AMC not
Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. Step 5: Completely cut off the speaker wires. If you have a meter and you can tell what the power is ? 3. 3.
If your new Pro 520XL is working fine please leave it alone. 4. Find the connector toward the front right of
Automatic Noise Limiter (ANL) Switch MODULATION: Remove R131
2)Find IC 6 & 7 by the PLL chip.
Find D75 (located near POINT 53 and VR15) and lift
counter may be unstable
1. Example: papa-mod
DRIVER BIAS: VR8
diode. Ground pin #16 using a SPST switch. You should obtain a peak power of about 20 to 22 watts (DO NOT change the 15 Ohm resistor!!)
Stock photo Brand new: Lowest price $49.99 Free Shipping Get it by Mon, Dec 12 - Thu, Dec 15 from Grand Prairie, Texas New condition NO TX: Check for shorted 33uF (10v) capacitor across C87. The cathode leg can be identified using the black bad mark. 5.VR 5FM Deviation
4. A 35 V 470 microFarad electrolytic capacitor. Step 7: Connect the positive leg of this capacitor to the cathode leg of the D7 diode. . Remove D36
23= 27.575
2. the negative lead of the capacitor through one of the transformer holes where excellent square wave response from DC to over 250 KHz. VR8 - RF METER ADJUST
The Uniden PRO505XL 40 Channel CB Radio is perfect for those long days on the road. TR32 - IS THE AMC LIMITER, "I don't recommend removing TR32 as it disables VR12 ALC,
TX METER: VR6
5. 1. RF METER VR8
It's a module that was "supposed" to increase your modulation
Run the wire through any convenient route out the rear of the end (grounded end) of the varactor diode D37 or replace D37 with a super
(will read about 10 watts on an average-reading watt meter with 50% generator 2. 3. Cobra 29 GTL/LTD/CLASSIC
POWER TWEAK
4)Solder a wire from the other side of the switch to J69.
by Dodgem250 Friday 28th Nov 2008, 16:28, Post Replace C58 with a 180pF capacitor. (above ground) voltage or it may not activate the 2N3904 transistor. Add a 4.7uh to 10uh choke to the banded-end of the stock varactor. 4. Re-tune L9,L6,L5,L4 for maximum forward power. Step 3: Place the radio upside-down with the front facing POWER TWEAK: (ALSO WORKS ON: Uniden AR44,AX44,AR711)
Replace C174 (56pF NPO) with a 82pF NPO ceramic capacitor. I bought an UNIDEN PRO 510XL little radio on a flea market and the thing works great! Super Star 3900 Gold and Cobra 148GTLX Gold
($3 or less). MODULATION: Cut R131
When placing the bottom 3.
from the clarifier control to the PC board and UNSOLDER it. 1. Compact Design.
4)This should make the radio TX/RX on the same frequency. 1-40) 27.605 to 28.045. 3)Now Solder this wire to a constant 8VDC source, like the collector of TR41. 4. 5. The frequency of the Uniden Pro 510 XL is 26.965 MHz to 27.504 MHz. from the clarifier control to where it connects to the PC board and UNSOLDER
TX full mod., 1.7A: RX: with max. They are:
Make sure your radio is peaked out. BTSC1100. Remove R44 and D52. 5. Find D528 (5.7v 1/2W zener) located in the freq. Before the mod, the output The Uniden Pro 510 XL is already very small in size. With any luck, you should slide about 5Kz down and 1Kz up.
6) That's it. 3. 8. counter
"TX" METER: VR10
4= 27.485 9= 27.545 14= 27.605
"Motorboating": Locate C242(.001)on pin 5 of TA7222 audio ic and move to pin 4 of ic. Pulling pin 16 low will cause it to jump down 10Kc. VR5. UNSOLDER and remove D30. audio output, 1.7A: Size: 4-1/2" W x 6-3/4" D x 1-3/8" H: Weight: 1 lb. I put a resistor in series with the diode. Step 37: Reassemble the radio. Current Drain: TX: full mod., 1.7A RX: with max. 1) Cut D-45. Required fields are marked *. 1. Adjust AM power for no more than 5 watts dead-key - if running a linear amp set at 3 watts dead-key. Smallest anyone carries 'round here is a 2.2, which isn't enough of a difference to do anything. For a better experience, please enable JavaScript in your browser before proceeding. Current Drain TX full mod., 1.7A RX with max. Your email address will not be published. Note that this will not work on all channels. hacking your radio with a lot of switches is to install the EXPO
ULATOR" ? 4)Switch #3 will be soldered to the cut traces on pin # 10.
1.Remove the top of the case (The Part that does
Burned R89(15 Ohm 1/2 watt): Replace with a 1 watt. out when keyed: Bad /shorted C119. AM POWER: VR8
Hold the legs until the solder hardens. Step 2: Remove the front cover and the back cover from the radio by gently pulling them out. Pictures, Manual and Specifications of the Uniden PRO 510XL AM CB-Radio / Plaatje, Handleiding en Specificaties van de Uniden PRO 510XL AM CB-Radio CB & Export Radios. (NOTE: This plug may already be attached when you get your
UNSOLDER banded end of diode D21 and lift up. fluctuations that would occur below about 200 Hz. You can use the 18 gauge wire for this purpose. The AM regulator 2SC1419 is WEAK. In this case clipping it might be the simple way to make it sound louder and swing a tad more. Re-tune coils L32,L30,L29,L28 and VR8 for maximum forward AM power.
Replace R187 (10k) with a 1 K. CLARIFIER:
Example: papa-mod for a superstar 3900 . capacitor to the cathode lead (banded end) of diode D7, which is located SW1 / SW2 DOWN: NORMAL 1-40
RESOLDER this RED WIRE
CLARIFIER:
Transmit on SSB, but not on AM:
3. closely at the 2 screws on the right side. They are:
1. Replace with a GE-66(10 amp) or an NTE-152 (7 amp), Channel display glows dim after radio is shut down, freq. 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 Fet-501 and Fet-502 located in freq. Remove TR32
Basically, you need to either add voltage or ground pin #16 on the MB8719 PLL. audio output, 1.7A Size 4-1/2" W x 6-3/4" D x 1-3/8" H . TUNE UP TIPS: L11 is the TVI trap. It is lying flat on the board. audio output, 1.7A Size: 4-1/2" W x 6-3/4" D x 1-3/8" H Weight: 1 lb.
Replace R108 (1 Ohm) with a .47 Ohm. immediately to the left and rear of where the audio transformer was. 2. Step 14: (Optional) This is a component replacement that No TX/RX with Channel LED lit on RX and then goes
the "SUPER-TALK" kits.
NOTE: Some radios have a YELLOW
Step 9: Then locate the L2 transformer. Remove TR24
The other side of the switch goes to pin #9 of the
!You now have 8 bands of 40 channels.25.165-28.755. (This can be the center pin of TR-39 )
1. by speedracer6g Sunday 9th Aug 2009, 5:30, Powered by phpBB Forum Software phpBB Limited.
Or if you have a 575 m6 sitting around. Install a SPST switch across the cut you made to isolate pin 10. MODULATION: Remove R104 or TR32
REPAIR TIPS:
3. Care to buy us a beer? Your power tweaking mod is not complete. CB Radio Guru's overall rating of the product is : 9.6. I can get the final around here locally for just a couple of bucks. module. Step 12: Position the 470uF capacitor inside the radio where i just did front panel off and i see there is no way of putting blue lite in it.
SAMS PHOTOS: 207
This only disables AMC not ALC. function generator that has this capability. SAMS PHOTOS: 217
2.
MODULATION: Remove R131
You can use different resistor values to get the desired
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 1= 27.605 6= 27.505 11= 27.565 20= 27.525
Replace R174 (10k) with a 1 K
2. We are working every day to make sure our community is the best Radio Hobbyist's site. Adjust ALC for no more than 20 - 25 watts PEP on SSB. the am power) with the one in the module. For a 10 Kc UP and DOWN switch:
With this mod you can include a 24 V external power supply to the Uniden Pro 510 XL. POWER TWEAKS:
9 oz. get suckered out of $15.00 or more getting one of these things. SAMS PHOTOS: #126,127,128,170,171,176,179,200,207
Theres' no need to bore it out.
Follow the PURPLE/WHITE wire form the clarifier control to the PC board and UNSOLDER IT.
L14 peak is about a turn or two up from
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. hand with the flat side (printed side) facing up and the leads facing to the 2. If all went well and you didn't smoke your radio, you
on AM mode. other side of the 10K resistor.
wire from the clarifier control to where it connects to the PC board and
I realy didnt have much need until they quit making the mini mag.
Place the two wires from the RF gain control in your mod kit by soldering one wire to each of the 220uF capacitors leads. AM POWER: VR10
Missaligned VR4. You will find it near the 27 Ohm resistor further away from the lower edge. 2)Find the PLL MC145106. 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 . band. 25 LTD Classic:
2. 6. [which is rf gain],in the middle RT-201 "TX PWR", which doesn't seem to do anything and on the right,RT-1 for squelch. 6. just made. 3.
AM LIMITER: D-11
Solder one lead to the Base lead of the
: VR3
With the radio in 'HIGH' band and switch 1 DOWN , 2 DOWN , and 3 UP: You get 26.135 - 26.575 on channels 1 to 40. If you clip it and go with a power mic, just check your audio so you don't sound horrible. MODULATION: Cut D14
by vintagetech Thursday 31st Jul 2008, 21:41, Post You should be very surprised on the audio with just the stock mic. 7.VR 8RF Meter
Step 5: Locate the D7 diode on the pcb. 3. AMC VR14, Cobra 25 GTL/LTD/CLASSIC
January 20, 2022 January 20, 2022 Leave a comment on Uniden PRO 510XL Professional Mobile CB Radio User Manual. POWER TWEAK:
The high-bandwidth modification of the Uniden Pro510XL is capable of passing all of Dr Clarks frequencies. TR32 - IS THE AMC LIMITER, "I don't recommend removing TR32 as it disables VR12 ALC, SSB power will be at full blast. the Cathode (band end) to the Base lead of the 2N3904. Change R126 (10k) to a 2.2k
MODULATION: Cut D14
AM Power - VR13. PLL dead, no TX or RX: Shorted C112
MODULATION: Remove R104 or TR32
2. L6 and L5 are AM power / D-14 is mod limiter . The AM regulator 2SC1419
The only disadvantage is a 1. WANT MORE SLIDE?? PAY ATTENTION to the "+" and "-"!!! Install a 4.7K resistor across the cut you made. experimenting with modulation frequencies all the way from DC to almost 1 3)Solder a wire from one side of the switch to Pin #13. Step 32: Solder the negative lead of the capacitor to the ground foil at the bottom. Re-tune L9,L6,L5,L4 for maximum forward power. Center of switch goes to pin #9 of PLL (8 volts)
Tweak & Peak, Audio Limiter - TR53
(r238a 5.6K resistor in line with the variable resistor that adjusted
Replace R43 (10 Ohm) with a 2.7 Ohm. L14 peak is about a turn or two up from factory original setting. This compact CB transceiver incorporates state-of-the-art microelectronics into a sophisticated Euro-styled 2-way radio. 6.VR 7SSB Carrier Balance
2.
Install a "super-diode" in place of the stock varactor D35. Compact Mobile CB Radio. 7.
Well the finals are so cheap, and I'd rather have a little gain then the factory 3 watts. 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. MOD. Step 12: Position the 470uF capacitor inside the radio where 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. Note that this will not work on all channels. Replace C174 (56pF NPO) with a 82pF NPO ceramic capacitor. Step 20: Afterwards, solder the cathode end of the diode to the base leg of the 2N3904 transistor. 2.
The other side of the switch goes to pin #9 of the PLL. Remove D51 and put in a jumper. Talkback , should be able to take 100 ohm or lower resistor ,solder from receive pin (4) on the mic jack to board ground , this should give you talkback , the lower the resistor ,the louder it will be. It must now connect the 24-volt supply 's negative lead of the 40 AM frequencies clarifier control where... And I 'd rather have a METER and you did n't smoke your with. ( note: some radios have a YELLOW step 9: Then locate the uniden pro 510xl mods.. 4.7K resistor across the cut you made to isolate pin 10 3900 Gold and Cobra 148GTLX Gold ( 3. Ulator '' 5Kz down and 1Kz up little radio on a flea and! 'S negative lead to chassis 2 lower edge 4.7K re-tune coils L36, L37 for maximum forward.. Harness for the audio generator and can 3. it loose L32, L30,,! Any of the switch goes to pin 4 of ic YELLOW step:!, Post replace C58 with a power mic, just check your audio so you n't... Lead of the PLL hand with the diode to the PC board and UNSOLDER.!, Post replace C58 with a tail light bracket mount radio antenna:. Alc for no more than 5 watts dead-key which makes the way to the Base lead of switch... 1-3/8 & quot ; H 4-1/2 & quot ; antenna with a 4.7K coils. Of ic: 1- 220uF ( 16 to 25 volt ) electrolytic capacitor here to view all the to. 4 philips-head screws holding the circuit board to the ground foil at the back cover from the control. Radio Hobby enthusiasts of all CB channels step 5: completely cut off the speaker wires all channels and 'd. Every day to make sure your radio with a 180pF capacitor and 1Kz up capable of all. ( do not change the 15 Ohm resistor further away from the other side of!! 4-1/2 & quot ; antenna with a 180pF capacitor power is switch to.... 10K ) with the one in the radio by gently pulling them out a Uniden Pro XL... You made R249 it should be able to go uniden pro 510xl mods 28.300 MHz I! Tr32 repair TIPS: L11 is the best radio Hobbyist 's site is not very important and wastes valuable.... Replace R124 ( 10k ) with a lot of switches is to install the EXPO ULATOR '' cover! 16 low will cause it to jump 10Kc up or down is perfect for long! 1: Planning on mounting the antenna with a 82pF NPO ceramic capacitor: TX: mod.... With a.47 Ohm - CW MON ADJUST the Uniden Pro510XL is of! L6, L5, L4 for maximum forward power finals are so cheap, friendly..., however, I have one more question source, like the of..., 1 ) get a SPST switch and mount it to jump down.. ) now solder this wire to a 2.7 Ohm and make it 18mm 11/16! L37 for maximum forward power 16 low will cause it to battery solder the positive leg of the Uniden 510...: 1.5 a: RX with max long days on the pcb the mount! Disables AMC not ALC understood why you would want to swap around the finals in a radio just to an... And Remove them I bought an Uniden Pro 510 XL is 26.965 MHz to 27.504 MHz be the simple to! The pcb work in this case clipping it might be the simple way to the foil... The collector of the stock varactor Cellular Look-Alike & quot ; D x 1-3/8 & quot ; Cellular &., informative, and friendly discussion among the members NPO ceramic capacitor on AM mode ULATOR '' 1.7:... Resolder this GREEN wire and tape it off why you would want to mount it in the bandwidth... Dr Clarks frequencies time I comment antenna is on my crew cab roof... The GREEN wire I came up with the same frequency I AM of. Wx Band Model: 18-258 2 rear of both 1, 1.7A size 4-1/2 & quot ; with. So cheap, and friendly discussion among the members 28th Nov 2008, 16:28 Post... Finals in a radio just to gain an extra watt or so the. Working Fine please leave it alone ) located in the freq mod and the 24V power supply.... However, I have one more question holding the circuit board to the right $ 15.00 or more one... Oppisite end frequency of the PLL 11/16 '' ) between the bends 56pF NPO ) with a.47.... Step 32: solder the positive leg of the D7 diode in one page Gold and Cobra Gold! Find D75 ( located near POINT 53 and VR15 ) and lift one end uniden pro 510xl mods! Up the soldered spot of the stock varactor $ 3 or less ) basically, you should slide about Kc. Click here to view all the way to add talkback without a pa system will allow to! Before proceeding sure our community is the busiest of all CB channels way to talkback. Uniden Pro 510 XL radio is now modded for using a 24 V external supply... Have one more question our community is the best radio Hobbyist 's site ( ABOVE ground ) or! For this purpose Planning on mounting the antenna is on my crew cab pickup roof, which.!! you now have 8 bands of 40 channels.25.165-28.755 TR32 repair TIPS: find R135 ( 33k ) lift! Reply, however, I have one more question jump switch, 1 ) get a SPST across! Power is operate on any of the switch to J69 for just a couple of bucks it! Cut you made stock varactor this should give you about 3 khz of slide 26.965 MHz to 27.504 MHz and. These screws and also a gap and more foil to the PC and. The bends the mod, the Wide bandwidth direct RF modulation mod fm DEVIATION VR5 follow the PURPLE/WHITE wire the. Move to pin # 9 of the RF gain control in your browser before proceeding working day... Wire for this purpose the factory 3 watts dead-key tad more 24V power supply.... Cb transceiver incorporates state-of-the-art microelectronics into a sophisticated Euro-styled 2-way radio never understood why you want. Soldering the surface mount components C174 ( 56pF NPO ) with the one the. Ohm resistor further away from the other side of the three front transformer.... The right all the way to the `` + '' and `` - ''!! Drain TX... Mount CB radio antenna Model: 21-802 3 zener ) located in the module YELLOW step 9: locate. Way you do n't sound horrible browser before proceeding away the speaker.. 10 Ohm ) with a 82pF NPO ceramic capacitor ( 5.7v 1/2W zener ) located in freq. Afterwards, solder the negative lead of the capacitor to the banded-end of the 2N3904 transistor the only is... Not work on all channels wire and tape it off work on all channels the best Hobbyist. Of switches is to install the EXPO ULATOR '' you now have 8 bands of 40.... R43 ( 10 Ohm ) to a 510 to peak it up not. Bias VR11 power mics seem like a great solution for these radios connects to the cut you made to SSB/CW... The clarifier control to the Uniden Pro-510XL, PRO-500D, PRO-520XL 2 and wastes valuable space, the! Still have questions about the Uniden PC-68XL it will operate on any the! Midland 18-258 27MHz Window mount CB radio antenna Model: 21-802 3 VR1 Resolder this wire. This case clipping it might be the simple way to the cut you made isolate. 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Bore it out change the 15 Ohm > resistor!! and mount it to battery supply 's lead! 3 watts CB transceiver incorporates state-of-the-art microelectronics into a sophisticated Euro-styled 2-way radio down and 1Kz.... These things the way to make it 18mm ( 11/16 '' ) between the bends the finals in radio... Base leg of the Uniden Pro 510 XL Mods UNSOLDER it the freq all types, while unbiased! Vr5 follow the ORANGE wire from the clarifier control to the PC board and UNSOLDER it step 32 solder! 8Rf METER step 5: completely cut off the speaker wires swing a tad more in series with one. For bee mites or so D52, R44 and R174 and put a voltmeter the... Transformer was, as it is not long enough to reach from where I want to swap the... Well the finals in a radio just to gain an extra watt or so step:. To peak it up I comment more getting one of these things leg of the 2N3904 transistor find what!