Uniden pc122xl clarifier mod. Uniden PC-122, ATTN: Handy Andy.
Uniden pc122xl clarifier mod NB/ANL. b | Uniden PC-122XL Troubleshooting Upgrade Changes And Recommended Part Additions Documentation Project Index Home Page Courtsey Of CBTricks. Add a 1. Also, in TRC465 it is 68k. Aug 18, 2010 #2 RCI 2950 chassis radios and the Uniden 2510 Chassis radios clarifiers are not even opened at the factory because that is what your shift does you can set the curser arrow on the display to change for the fine tune or Related Manuals for Uniden PC122. The AM modulation adjustment is VR114, which is marked >AMC= on the main circuit board. Image April 5 I have the bearcat 980ssb and am looking the kl 203. 5 kHz each side of the center frequency. Dual Meters. Category OTHER SERVICE MANUAL. Cobra 142GTL & Uniden Washington Clarifier; Uniden Grant Unlocked Clarifier Mod. Do you have any tricks, modifications or constructions for homebrewed equipment that are not on mods. Kenny CEF491 Hyperno_1979 Intermediate Member Username: Hyperno_1979 Post Number: 172 By the same token Uniden still sold a squillion of them. Uniden PC122XL 40CH AM/SSB CB Radio - Works! Open clarifier! A good add to any CB radio hobbyists collection. A fan of the channel was kind enough to send me this really clean Uniden radio to play with. My eyes are sore from scanning. RF/MOD. They aren't designed for modification (with the exception of the clarifier) but I'm happy with that. LED Channel Display. Next If you do a Copper search you will find boat loads of info and mods. Modifications. Apr 25, 2013 Uniden Washington, later model. Nov 2, 2017 35 3 38 54. Mounting brackets to suit the Marine radio Models MC610 and MC615 . This one is similar to the Washington chassis but already has the 11. ANTENNA CONNECTOR — This female connector permits connection Of the AM full mod. Reparando primero algunos problemas que traía el radio en rx, para después instalar The schematics for Uniden PC122 shows R148 as 22k, where in the PC122XL shows it to be 68k. 2 A, SSB 12 watts PEP out- *Disclaimer-Modify your radio at your own risk. Ask The Tech: Modifications: Need help This is the manual page for Uniden. 855 Cobra 142GTL & Uniden Washington Clarifier Mod. This radio is no longer in pr Anyone know of any good mods, especially on the SSB, frequency range expansion, increasing/adjusting output power, clarifier control? Or at least how to properly adjust various controls inside the rig? I also have a Uniden PC-122 rig which works fine except some TX issues. CB works fine. 6ph choke in series with the varactor diode D20 to get any additional slide range from this clarifier. New items Series list Latest content Latest reviews Latest questions. Apr 28, 2020 285 For a throwaway radio with the power and Darlington NPC swing mod they can really scream if you don't need to parts pig them. 9V max. I haven't used the sideband, but have no reason to believe it isn't functioning fine. Shadetree Mechanic Delaware Base Station 808. 205 and move the claifier to the - side it will go Does anyone have a clarifier unlocking mod for this unit? Also, does anyone have a schematic on this particular model. Uniden WASHINGTON (858 PLL) I make a special EPROM expansion board that will add 4 more bands to many radios that use either Binary or BCD programming, Follow the PURPLE/WHITE wire form the clarifier control to the PC board and UNSOLDER IT. e. Download. Looking for a good channel mod for my old Uniden Washington with the 8719 PLL. Thread starter BIONIC_TEXAN88; Start date Nov 9, 2006; 1; 2; 3 I looked inside and only thing that could have been done is tweeking of the am mod. Hope this helps You can perform PLL, clarifier, audio, AGC, receive, SSB detector, 10 meter conversion and NPC-RC mods on the Uniden Grant XL. Resources listed under Radio Modifications category belongs to Click here to write a new message or comment for GRANT-XL Note that the message is not related to any article. PC122XL Owners manual. We have 1 Uniden PC122XL CB Radio manual available for free PDF download: Owner's Manual Uniden PC122XL Owner's Manual (9 pages) 6 HR2510 Modification for increased MicGain This mod will increase the AM modulation. sorry about that. Dec 1, 2018 #1 I have a Pc122 and would like to change to a 10 turn or even a 3 turn pot clarifier. Step 4: Remove the diode using a desoldering tool or a soldering iron. The Uniden AX 144 CB Radio Owners Manual provides instructions for setting up and operating the AX 144 CB radio. 6 uH choke in series. Imported to Australia by Santronic Agencies during the mid Interesting to see the differences between your PC122 and my PC122XL. 40 AM CB. the original poster is new so just wanted to throw out a few names he might look for when reading post here. 385, . Next. 1) Disconnect the clarifiers terminal from the RX only supply and connect Uniden GrantXL clarifier fix. The Phillippine PC-122XL - in HD |About| Main Page | Yellow Dot Mods | Red Dot Mods | References |Clarifier | Assymetrical | Board Identification | | Created August 2008 | version 0. Lift the ground side of D23 and install a 5. Find the red and orange wires coming off the clarifier knob. It should be marked with a logo, besides the D306 transistor. I recently added in a 3 Switch channel mode to a Grant dxHome. Make sure you do the resistor mod on pin 14 that Unit 399 illustrated in a previous post to get your bank of 4 channels (26. VR10 ~ AM Power VR6 ~ ALC / SSB VR5 ~ AM Modulation VR7 ~ RF Power Adjustment VR1 ~ "S" Meter Adjustment TX Adjustments: L34. Review Of Midland 79-290 AM/SSB Mobile; Cobra/Uniden SSB Chassis Mod UPDATE; Clarifiers; President Jackson Unlocked Clarifier Mod. radio is currently dk4 swinging 15 on am and 16pep on ssb. Adding the choke will give you more Uniden pc122xl weird issues. 000 Mhz. D-63 is in a row of 5, last one to the right next to VR-8,frequency adjust uniden pc122xl mods, uniden pc-122 review, uniden 122xl reviews, pc122xl mods, uniden pc122xl review, uniden pc-122xl, buy uniden pc 122xl cb radio, uniden 122xl mods, pc-122xl manual, pc 122xl, PC122 VS PC122XL. 6 µh chock in series with the varactor diode D23. 3. If you prefer to be anonymous write it in the message. I found 2 different mods for the 2995DXxx but don’t want to perform the wrong on. 415-27. Hope this helps! ~Cheers~ Radio convertido a digital, con un rango para 11m de 26. zip: 2. i did not find a write up from loosecannon either on here. Resolder this wire to the PC board ground. to start off the radio will come a non amplified astatic mic. Search Where's the mod limiter at in this radio? Trying to find out if it's been molested. While there are numerous modifications for this radio to boost modulation, output power, Clarifier modification: Uniden Pro-810e. 1) Cut D-25. Cut or remove R148 Cut or remove R44 Cut or remove D52 Jump R174 Change R175 to a 1K ohm resistor. I might buy one now or a Midland PC 787(like the 687's color). You may "fine-tune" your frequencies with L16 and L17. 805, 27. There are lots of fun mods for this radio. They tried to get 8 volts to clarifier from the mode switch's 8v side only the did the wrong pole and POP, SIZZLE AND I have the clarifier unlocked, but it's only about 1. Cut the White Wire from the PC Board and solder it to Ground. Will have to dig a little more into it. it is back to stock, as I was going to actually build all the items needed for the channel conversion and clarifier mods, and Uniden Bearcat 980 beep, clarifier mod, alignment and rm italy kl203 amp. Thread starter nomadradio; Start date Aug 31, 2020; nomadradio Analog Retentive. Designed using the same guts as the Uniden PC122XL, the 640e really wasn’t anything new in terms of board design or performance. Okay, any. CLARIFIER — Turn this control to achieve the best tuning of the upper or lower side band receiving frequency. ← Previous. with push-to-talk switcl and coiled cord 13. The following instructions will open and increase the clarifier range: 1. The clarifier on the 858SSB rigs is very sensitive, and it's difficult to easily lock on to a station's signal. Clarifier modification: TRC-453 and Uniden PC-122 (PB-062) 1) Disconnect the clarifiers terminal from the RX only supply and connect it to a constant supply that is found at pin 3 of IC4 (the Uniden PC 122, PRO 640 & PRO 810 Clarifier Mod. . Thread starter Uncle Ronnie 336; Start date Aug 17, 2020; Uncle Ronnie 336 Well-Known Member. Retro CB Guy Well-Known Member. Reactions: 1 person. Unsolder the orange wire going to the clarifier control off the main board, and solder it to the + side of C66. Revpo Junior Member Username: Revpo I used the uniden pc122xl last night worked west coast<13th>, COBRA 146GTL / Realistic TRC-453 / UNIDEN PC-122 & AR-144 / UNIDEN Pro-810e Base. Cobra 148 & Uniden GrantXL Clarifier Mod. 775-26. Replace R124 (10k) with a 4. Great radio, midsize, SSB, etc. 7k Clarifier Mods, Version 1 1. The line consisted of the 500, 510, 520, 530, 540, 640, and the 810. Adding a resistor from the clockwise lug to the wiper lug will serve to skew the coverage one way. Here you will find instruction manuals, service manuals, user guides schematic, brochures etc. it seems that older models of this radio have different board layouts than the new one i have. 1 2 3 Uniden PC-122, ATTN: Handy Andy. us; StumbleUpon; Google; Facebook; Twitter; Posting Permissions You may not post new Uniden Model. BJ radionut Apr 8, 2022 Service Manual Page 1 to 28 Page 29 to 52 RADIO MODIFICATIONS Rogerbirds HR2510 Mod Site ALIGNMENT PROCEDURES PLL Alignment Transmitter Alignment Receiver Alignment DIAGRAMS/HR2510 Schematic Diagram (Page 1) Schematic Diagram (Page 2) It is difficult for me to find the correct modification for this PC385AG board. Your PC 122 XL features a frequency TRC-465 same board as a Uniden pc122xl, good tx and receive good audio and stable ssb all in a small radio that can fit anywhere which I've opened the clarifier on and, mostly because they said it couldn't be done, installed an RFX-150 on. dk. Uniden PC122XL for Ted! Clarifier unlocked, Variable Power added. 17-18. New media New comments Search media. I did opt to unlock the clarifier to help counteract any issues with Uniden PC122XL Specifications (Small) Published January 19, 2021 at 640 × 498 in Uniden PC122XL Specifications (Small) Both comments and trackbacks are currently closed. MODIFICATION # 8 CLARIFIER FINE TUNING MOD . It will operate on any of the 40 AM frequencies and Upper and Lower Side Band Frequencies designated by the Department of Transport and Communications (DOTAC). December 1996. Service manuals, schematics, eproms for electrical technicians. Find D150 on the main circuit board. L Type Mount - Antenna Mounting Bracket . ) Remove Download UNIDEN PC122XL SCH service manual & repair info for electronics experts. Rotate the clarifier control clockwise or counterclockwise to tune an SSB signal. 6µh choke from the open lead of the diode to I have a Uniden PC122XL that I am experimenting with. HR2510 RIT / Clarifier Mods The RIT (Receiver Incremental Tuning) on the HR2510 is a Clarifier control to help >tune in= usually The simplest modification on the Grant is to replace the resistor that is located directly in front of TR 26 with a 270 Ohm resistor this will increase the modulation a good amount, (the resistor is not labeled on the PCB, it has silk screen markings for a diode, this is used in the Madison and goes to a VR) this should give at least 90 % mod. But I am interested primarily in reception here. 0 KB. The 5. President or Uniden HR-2510 Variable Power Modification The HR-2510 does not have a varible output power feature as it comes from the manufacturer. [This modification applies to the Uniden 858SSb chassis (PC196BD board), and any other Need mod to open clarifier. 2) Cut D-32. Uniden Grant Clarifier Modification. Transmit: AM full mod. 395, etc). Cut R187 and D36 2. 5) Clip one end of D25. It willoperate on any of the 40 President / Uniden Secret CB Index By Model Documentation Project CBTricks. Handy Andy Do Your Research First, Then Decide Apr 23, 2018 5,845 Disclaimer: Although the greatest care has been taken while compiling these documents, we cannot guarantee that the instructions will work on every radio presented. It was the only way to have a semi simple channel mod for these radio's. MUCHLY TY for your generousity. For modification freaks, extra channels and clarifier mod's are possible, but can be difficult to do without blowing an IC. By pulling that wire from that plug and applying 8 volts it slides on tx as well as receive. 7k. found a uniden pc 122xl for 75 bucks, here's what the seller says: "here is a used uniden pc 122xl radio with a hole lot done on the inside by a pro. CH 9. after your recomendation ill return and read them through. 6µh choke is needed for the extra range, and a super diode in place of the stock varactor diode would give the best range. A simple modification to get the UP2824 onto High band 27. nii-processor controlled AMlSSB radio communications, Your UnidenPC122XL represents one of the most advanced mobile type radio ever designed for use in the Citizens Band Radio Service. Thread starter Radio Face; Start date Dec 1, 2018; R. Cobra/Uniden SSB Chassis Mods. Dec 22, 2024 @ Crawdad: 7300 very nice radio, what's to hack? Monday at 5:33 PM @ kopcicle: The mobile version of this site just pisses me The Uniden Pro line (which included the 640e) was developed and sold in the late 80’s, 90’s, and some models are still sold today. PRESIDENT GRANT AND MADISON 1)Cut d-52 and r-148. input on the Uniden 78? basically the same as a Cobra 29, these are good AM only legal CB radios. Thanks. Radio hears to -124dbm on AM Radio hears to -127dbm or further on SSB Radio peaks Uniden PC122XL No Transmit. FCC says that's not legal, so the clarifier knob is locked out in transmit when the radio is made. 42. Many of you already know that the 148 GTL and Grant XL are the same radio. 1. AR-144, Transmitter / Receiver Operation Type Chassis: 13. For example I found following mods: Clarifier mod for President Washington, Cobra 140, 142 GTL and McKinley MB8719 PLL (THE 5 PIN MIC MODELS). That is what Uniden had in mind when they designed this thing. all i need Uniden PC122XL is a mobile AM/SSB radio featuring a frequency synthesizer with phase lock loop techniques for precise frequency control. The use of a super diode would give the radio a swing of more than 10 Khz but they seem to be unavailable for now. 2)Solder the bottom pin to GROUND. 8V DC nominal, 15. The clarifier shifts both the TX and RX frequency 1. If you have some stuff that not is listed here you can donate this by contact mods. This site helps you to save the Earth from electronic waste! UNIDEN PC122XL SCH. And I'm talking a real solution, not changing out a bunch of stuff to get to . dxRadioTech . icio. 055-28. MGU-01 . Seawolf18 Member. LesComm. 3 MB) Schematic diagram (2. hey exit 13 I forgot your name when I was putting Andy and unit399 on my rant. Diagrams (All I had was a copy of a copy so these scans are not that good I will re-scan when I find a better copy of the schematic) Schematic Diagram Schematic Diagram Main PCB Layout. 13. French Uniden PC122XL 40CH AM/SSB CB Radio - Works! Open clarifier! A good add to any CB radio hobbyists collection. It should have a “0” marking on top of it, indicating that it is a zero-ohm jumper. Went to Handy Andy's site on these radios (He has a HUGE write-up of mods for this radio, he's the GURU of the 122) and performed some of the mods, but I'm curious, are there any updates or new mods on this board these days Verwante zoekopdrachten voor Uniden bearcat sportcat mods Uniden Bearcat Scanners Analog Fire Aircraft Uniden Bearcat 980SSB Mod and tune! #2 -. Done. I have read that the TRC-465 uses the same board as the Uniden PC122XL. The Uniden Grant xl clarifier. The main issue is the power supply in these run quite hot & tend to fail in time. Your PC 122 XL features a frequency For the clarifier remove d68 and r113. This chassis requires the addition of a 5. Standard PC-385 Board. AR-44 "VSB-1" Installation Uniden PRO520XL Two Way Radio Uniden BEARCAT980 40-Channel SSB CB Radio with 7-Color Digital Display RoadPro Rpsp-15 2 75x4 5 Universal CB Extension Speaker With Swivel Bracket Fd1 Copper Talk » Modifications » Radios » Mods for Uniden/President Grant? « Previous Next » Author: Message 814: Posted on Sunday, October 21, 2001 - 6:11 pm: Clarifier Modification PRESIDENT GRANT AND MADISON 1)Cut d-52 and r-148. The Brown wire which is located on th Find many great new & used options and get the best deals for Uniden PC122XL 40CH AM/SSB CB Radio - Works! Open clarifier! at the best online prices at eBay! Free shipping for many products! Example: papa-mod for a superstar 3900 Open Clarifier 1)Find D75 and R135 and cut one end of them. CLAR: Clarifier. Clarifier Mods: 1. Kitchen Table repair/mod, very easy to do ! #REALISTICCBRADIOLift R 117 , 119 And D30Cut wire coming from beside C110Solder part 2 of a repair video of a uniden washington cb radio, including a clarifier mod, channel display, corrosive glue, recap, 10 khz jump removed ectthanks Mounting brackets for the CB Radio model PC122XL Uniden Grant xl clarifier. Needing a clarifier unlock mod for a Uniden Pro 810e AM/SSB base radio, board # PB122AB. 1) Lift anode of D-30 and connect a 5. Clarifier Mod: 1. They were very rare. 415 to 27. to/2SFR0Tzhttp://www. It boasts 40 AM channels and upper and lower sideband frequencies, allowing for a wide range of communication possibilities. Thanks, Mrbigshot Member Username: Mrbigshot Post Number: 62 Registered: 2-2005 Your Uniden PC122XL represents one Of the most advanæd mobile radio ever designed for use in the Citizens Band Radio Service. item 3 Uniden Bearcat 980 SSB CB Radio w/7 Color Display 40 Channels Brand New &Antenna Uniden Bearcat 980 SSB CB Radio w/7 Color Display 40 Channels Brand New &Antenna. even the names on the pots are different than some of the older ones of this model. It's got the go to solution for congested channels back in the d PC122XL. The share the same main pcb as the realistic TRC465, TRC-453, Uniden PC122xl and a few others. Includes, bracket, power Related Manuals for Uniden PC122XL. You can also add Schottky diodes, improve various components and increase the Tx range. Am/ssb mobile cb radio (9 pages) Radio Uniden Bearcat PC687 Manual D'utilisation. Radio Face Active Member. This is necessary for tuning to an SSB signal. Find the orange wire comming from the RIT/RF GAIN PCB (PB-120). 78. com The Uniden Pro-810e is the same as the Realistic TRC-850. I see on several sites to clip D25, and D32, then cut the traces to each side of the clarifier pot, solder a wire from one side of the pot to +8V, and solder a wire from the other side of the pot to PCB ground. I Support WorldwideDX. Cb 2-way mobile radio (16 pages) Radio Uniden PC78XL User Manual Radio Uniden PC122AM/SSB Owner's Manual. (L16 USB) (L17 LSB) Let your radio sit for 2 hours with the clarifier at "12-oclock" to get used to the new modifications. L35, L36, L26 RX Adjustments: L3, L8, and L11 I have also added the Clarifier Modification to the PC-122 Mod List as well. Jul 26, 2019 #1 anyone out here familiar with the Icom IC-7300 mods. Is this normal? And although It is workable in this condition my concern is Clarifier modification: Uniden Pro-810e. Jun 22, 2014 760 252 73. President/Uniden Washington clarifier mod (MB8719 PLL) Clip or remove R187 Clip or remove D36 Unsolder the red wire going to the clarifier control off the main board, and resolder that wire to the main PCB ground. Jul 26, 2019 2 1 13 CO, USA. Uniden Bearcat 980 beep, clarifier mod, alignment and rm italy kl203 amp. Then either switch it Uniden PRO520XL Two Way Radio Uniden BEARCAT980 40-Channel SSB CB Radio with 7-Color Digital Display RoadPro Rpsp-15 2 75x4 5 Universal CB Extension Speaker With Swivel Bracket Fd1 Search titles only By: Search Advanced search Find many great new & used options and get the best deals for Uniden PC122XL 40CH AM/SSB CB Radio - Works! Open clarifier! at the best online prices at eBay! Free shipping for many products! Clarifier mod for President Lincoln, HR2510. zip: If you do a Copper search you will find boat loads of info and mods. there is s few others also. AR-144 Frequency Expansion & Clarifier Modification: 11. I actually did the "Handy Andy" mods to the power section of it for starters ( PC-122 Power Mods dxHome. Find r-174 and solder a wire across the resistor. This is simply an alternate way to align a radio with an unlocked clarifier. Dec 4, 2014 #3 sonoma said: uniden World's Largest Manufacturer of Citizen 's Band Radios ANI OFF F PC122XL VOLUME SQUELCH RFGAIN CLARIFIER . Wire Weasel Senior Moment. I have a bone stock TRC-490 Manuals and User Guides for Uniden PC122XL CB Radio. PB-062AA by Uniden: Sub PCBs: PB-079AA - LED channel display board PB-078 - Channel selector board PB-077AA - Front panel board Additional info: Related documents: User manual (2. pot. 5) Solder a wire from the other cut uniden pc122xl. 405 I'm talking a software solution. com! Oct 23, 2017 7,317 12,887 798 52 The Find the Brown Wire and White Wires from Clarifer. 1)This Mod will fit all of the following ,RCI2950, 70, 85, 95-DX. Nothing to see here folks, just move along . Mobile cb radio (8 pages) Radio Uniden Bearcat PC687 Manual D'utilisation. Thread starter Seawolf18; Start date Mar 12, 2009; S. Thanks, Mrbigshot Member Username: Mrbigshot Post Number: 62 Registered: 2-2005 Uniden PC122XL no transmit. If not changing the clarifier circuit for 5 or 6khz movement would be ok. 6khz, which is the way I'd like to keep it with a 5khz switch. No dents, etc. Uniden PC122XL no transmit - Seawolf18 2009 TECH CENTRAL: MANUALS, TIPS, SCHEMATICS, AND MODS; ↳ Radio Mods, Tips, & Secrets; EXPERIMENTATION STATION : TAKING CB BEYOND CB; ↳ >>> HIGH FIDELITY AUDIO Q and A <<< POST QUESTIONS AND COMMENTS HERE! ↳ rx and tx mods; The Merchant's Mall: LINKS FOR REFERENCE ONLY; ↳ MERCHANT'S MALL GUIDE (Read Your Uniden PC122XL represents one Of the most advanæd mobile radio ever 12. This is the only way a group can all be transmitting on the same slot. Uniden PC122XL User Manual. These chassis are remarkably stable after the clarifiers are opened and expanded. a | Current Version 0. How to do the clarifier mod? or How to "Center" the clarifier once the mods' been done? Reactions: dxing. Type: (PDF) Size 657. The radio includes a noise blanker and automatic noise limiter to reduce background After reading a bunch of different clarifier mods and putting bits and pieces from a few together ear it is. Move the clarifier knob and your transmit frequency follows your receive frequency. Uniden 400 PC404 UK; Uniden Uniden AX-144. PC 122XL FEATURES Full 40 Channel Operation - PLLfrequency synthesizer circuitrypermits transmission and reception on all Channels ufthout AM full mod, 2. Clarifier modification: TRC-453 and Uniden PC-122 . Lift or clip one end of this diode. Jun 17, 2009 10,936 6,333 698 63 Southeast Ohio. Image April 5, 2015 jiggaman 2 Comments CB Radio – Uniden PC122XL Mods Main Page. Like. Alignment (Courtesy of David at DTB Radio) Set for channel 20 Connect freq counter to TP3, located on left side of radio between L14 and L36. Replace R126 (10k) with a 4. C122XL ----:-B Radio OWNER1SMANUAL WELCOME To the world of sophisticated. Radio Uniden Bearcat PC78 Elite Setup Manual. Jump D24 3. Just saw a video of this modification or add on. Dual External Speaker Ports. The slide-in trick requires the clarifier to be stock, more or less. All having the same PCB. Sure, you can switch out the xtal, but cracking the CPU is wishful thinking - IMO. 3802003 . The RIT (Receiver Incremental Tuning) on the HR2510 is a Clarifier control to help +??tune in+?? usually SSB signals that may be transmitted off of center. For tone hi-cut mod you can add a 223 capacitor in c41. well, i ended up trading in the 122 and a 68 for a very nice 148gtl philly in great shape at my local techs shop. SSB CB Radios on Amazon: https://amzn. 2A; SSB Maximun output, 2A. Find D52, R44 and R174 and Got a Uniden Grant XL that I am looking to do the clarifier mod. 6 µh chock in series with the varactor I did do Handy Andy's version of the clarifier mod which is fabulous! Way back in the day, I unlocked a different PC122's clarifier, and the method was more complex just to Slider Mod is here Clarifier modification: Uniden PC-122 1)Find the backside of the clarifier knob. AR-144 Update Frequency Expansion: 10. zip: Les found out that the radio's circuitry switched off the clarifier slide adjustment on tx. Been seeing. D Your Uniden PC122XL represents one Of the most advanæd mobile radio ever designed for use in the Citizens Band Radio Service. 2. Cobra 148GTL & Uniden Grant XL Unlocked Clarifier Mod. so far, I dont miss the 2 radios and the I used this cable intermittently for 1-2 minutes to key the radio into a dummy load with a Power/Mod/SWR meter; this caused the transmitter to output into a short circuit before I identified the problem and fixed the cable. , 2. After clarifier mod, the radio slides 10 kc down and only . Find the +8V using a voltmeter. Remove D25 2. Reply. i. 3) Cut both traces on the PCB going to the clarifier . 2 volts) replace r174 with 3k3 I just got a uniden pc122xl. dxForums. , (positive or negative ground). 8719, 5 pin mic plug. Post by doc_no1 » Friday 11th Apr 2008, 21:50. it is on youtube. New posts Search forums. 205 and move the claifier to the - side it will go Copper Talk » Modifications » Radios » Uniden Bearcat 980SSB clarifier mod « Previous Next » Author: Message Kevinrea New member Username: Kevinrea Post Number: 3 Does anyone have clarifier modification steps for this board? Thanks, Kevin Rea Lancaster CA USA Moderator120 Moderator Username: Moderator120 Post Number: 799 Registered: 11 Realistic TRC 449 Clarifier Mod. With the radio right side up, it will be found in the front right-hand corner of the PCB. . The following modification will allow you to fix that oversight. MIKE GAIN-M-RE GAIN CLARIFIER — $ Uniden $, = — о © VOLUME A page which describes how to modify the President/Uniden Grant XL radio. 6A The Uniden PC-122 is without doubt the most popular AM/SSB CB ever brought in to Australia. 3)Solder a wire to the top pin of the PC-122XL - in HD |About| Main Page | Yellow Dot Mods | Red Dot Mods | References |Clarifier | Assymetrical | Board Identification | | Created August 2008 | version 0. ive done tons of research and im still having trouble finding the right intructions on getting an npc mod or swing kit in this radio. May 23, 2005 15 0 11. Any hep? Thanks!! Reply. Page 1. Remove D-63 & R-115,Using a soldering iorn. Rotary or Digital Clock. Clarifier modification: Cobra 146 & AR-144. dxGallery. VR1 RX Meter VR2 Squelch VR5 User Manual Borchure PC122XL uniden au RESOURCES MAIN s co nz P. seems to be Uniden PC 122, PRO 640 & PRO 810 Clarifier Mod. The mod sites that I've been on only show about unlocking the clarifier. I have the clarifier unlocked, but it's only about 1. 1. Uniden PC122Xl Mod Limiter Location? Thread starter Mudfoot; Start date Apr 25, 2013; Mudfoot Elmer. This radio has limited features, but all of the necessary ones are included. Revpo Junior Member Username: Revpo I used the uniden pc122xl last night worked west coast<13th>, anyhow Magnetic Microphone Mount For Uniden UHF-CB Mobiles . CB radio modifications category is a curation of 20 web resources on , Firestik Library, Rogerbirds HR 2510 mods, Defpom CB and HAM radio mods. Mike is no longer making these channel king boards though. this radio have been peaked and tweeked with the clarifier unlock so you can hear every body really good on side band,this radio was putting out 15 watt on am and 18 on side Needing a clarifier unlock mod for a Uniden Pro 810e AM/SSB base radio, board # PB122AB. 2)On the back of the clarifier knob follow the green wire to the PC board. Z Type Mount - Antenna Mounting Bracket Mounting brackets for the CB Radio model PC122XL . Your R186 would be the place to apply the diode/resistor NPC mod at . Orange wire on bottom of clarifier to constant 8 volt off he voltage regulator. bruce. Any of these NPC mods can be driven into clipping if pushed enough. Thread starter ExitThirteen snagged a PC-122 Taiwan made recently for 50 bucks. 3258 MHz crystal in the circuit. Not sure if this should go in the CB and Export and accessories, or here. Your PC 122 XL features a frequency The RIT (Receiver Incremental Tuning) on the HR2510 is a Clarifier control to help +??tune in+?? usually SSB signals that may be transmitted off of center. Find many great new & used options and get the best deals for Uniden PC122XL 40CH AM/SSB CB Radio - Works! Open clarifier! at the best online prices at eBay! Free shipping for many products! The original clarifier mod: Remove D25 and R119, cut traces on both sides of the clarifier control, solder a wire from one side of the clarifier control pot to ground, solder a wire from the other side of the clarifier control to a regulated +8V source (usually IC4). 5 K resistor on to the middle leg of Q24 (cut the track and bridge with the resistor) 2. A link to the video on this VFO for all CB radios it looks like. com Model: Volume. a | Current Version Clarifier modification: TRC-453 and Uniden PC-122 1) Disconnect the clarifiers terminal from the RX only supply and connect it to a constant supply that is found at pin 3 of CHECK the MODS for the PC-122 I have listed and see if you have those pots / controls in your radio. 2-way mobile radio (16 pages) Radio Uniden PC122AM/SSB Owner's Manual. LED’s for Mode and Channel 9. Does anyone know what pot I need to buy and were to get it? Thanks Michael. 2) Unlocking the Grant XL Clarifier for 7 Kcs each side1. ; Step 5: Look for a resistor in close proximity to the diode. dk, please send the information to mods. 7. 5) Solder a wire from the other cut trace to an 8 VDC source (note: 8 volts can be found on the trace that connects R-107 & R-106 lescomm has a video out showing you how to do the clarifier mod. The Uniden Madison’s with the MB8719PLL are by far the most popular of the series and will Modifications. Its in the safe @ Uniden HQ. I think he did something else in combination with that to get the clarifier to open up. 4) Solder one wire to PCB ground. cbradiomagazine. Mar 12, 2009 yes i found these pages whilst googling but i thought it was only mods not general info so i bypassed them. THANKS for any help! Tech808 Moderator Username: Tech808 Post Number: 17105 Modifications: Radios: Realistic TRC-465 Clarifier Unlock Mod? Posts on this Page: 1 Last Activity: 11-Sep-2009 11:23, Relative Score 40% 6. com! Apr 3, 2005 7,745 12,723 698 You're on your own with that mod. you will need a special diode he tells you to buy to do the mod. com This is a review/overview of the Uniden PC122XL. Add 8 volts to F1 on the J2 plug. Page of 8 Go. Thread starter Tim Backstrom; Start date Jul 26, 2019; Tim Backstrom Member. Uniden PCI22 PRO SSB Clarifier Mod. Grant XL (8719) Power Tweaks. Mobile cb radio (8 pages) Radio Uniden PC122XL Owner's Manual. Channel Map for the above mod Clarifier Modification. Not very many :) Do you have the mod info to stop rx drifting? I have been told that although it shares the same PCB A look at the clarifier circuit in later Uniden SSB CB circuits that used the MB8719 PLL reveals an effort to do this. Your Uniden PC122XL represents one Of the most advanæd mobile radio ever designed for use in the Citizens Band Radio Service. I've looked over YouTube nothing there I've searched Google nothing there. on the TRC-458 & TRC-490 radios & am shocked at what I have found. Digg; del. 455 while the display still shows . BTW - You'll see a picture of a base station with the others. com). Cheers The modulation area is the same as the darlington schemes in the Galaxy/Ranger type radios. 445, 28. Hello I did the mod to my grant xl to open the clarifier and it works but i get way to much slide it like this if i go on 27. It is by no means, the only w The Uniden PC-122XL is a small sized solid-state mobile ideal for limited space situations. The Unlocking the clarifier This mod came from a forum I am a moderator on: This is what I have: 1 Cut R44 2 Cut D52 3 Solder a jumper wire across R 174 (or remove it and put a jumper in its place) 4 Remove red wire that comes from the Fine tune pot from the board and hook it to the + side of C84 5 Change R175 to a 1KOhm Jeff Dual Clarifier Mod HR2510 & HR2600 RIT / Clarifier Mods: 20 Oct 2001: Increasing the power output for the HR2510 or Lincoln: 20 Oct 2001: To convert the Lincoln to 11 Meter operation: 05 Jun 2001: President or Uniden HR-2600 Variable Power Modification: 03 Jan 1999: Adding 24-26 MHz to the HR2510 & 2600: 19 Jul 1998: HR2600 ext frq: 19 Jul 1998: Uniden HR2600 on A good, clean Uniden PC122Xl CB radio, with upper and lower sideband. CEFFFCEF Bob CEF703. )Clip one side of D-52 and R44. You can add extra channels, a roger beep just by adding a jumper between two points (see the instructions on the Ranger 696 FD-1 Review for similar instructions), and you can also unlock the clarifier (instructions on CBtricks. Step 3: Locate the diode that controls the transmit-only voltage source. I lowered R148 in my PC122 to 15k or even 10k, this speeds up the release time of C113, or "bleeds off" the voltage stored on this cap. 085). 133 Kbytes: PC68XL Owners manual. To get more, Q114 is the Mic Attenuator, This limits the audio. After looking for a bit, it seems that there is a few mods you can do for it, but the only one that made sense to do was the following: Jump r175 remove r100 jump d51 remove r139 remove r44 disconnect clarifier lead and connect topin 3 of ic4 (8. Uniden PC-122 XL: Unlocking the Clarifier Solder a wire from the cut terminal of clarifier to 8 volt source. Seriously though - if we got 1000 CB'er to donate $10 towards the freeband crack on the Uniden 980 you would think we could get someone to take on the task. all the tx coils are untouched and I am assuming the mod limiter is intact, I saw nothing clipped. 000 a 28. COBRA 146GTL / Realistic TRC-453 / UNIDEN PC-122 & AR-144 / UNIDEN Pro-810e Adjusting the AMC and ALC for more modulation and SSB swing yield excellent results and adding a power microphone helps add the finishing touch. Bookmarks. It will need work but right now AM and Lower Side band works but Upper Side has nothing I key the mic and no tx light or power output in to the dummy load. MGU-02 . I never focus on the pep part and moreso on the negative and positive peaks of the waveform. 547 Kbytes: PC122 Owners manual. A 10-turn clarifier will work, but going from one side of a channel to the other is a slow PITA. 6, (6/10) kc up from "center channel", (. Any good mods for the Uniden PC122 clarifier pot mod. 41-43. dxHome. It is a repackaged Uniden PC. Click here to see the article list for GRANT-XL. 3802002 Clarifier. Clarifier unlock Uniden PC-409 AC Board. Re-align the modes by adjusting L15, L16, and L17. COBRA 140,142 GTL , PRESIDENT P-400, UNIDEN WASHINGTON-(8719 PLL) MODULATION: Remove R104 or TR32 AM POWER: VR6 SSB POWER: VR7 "RX" METER: VR1 "TX" METER: VR10 COBRA 148 , 2000 GTL , UNIDEN GRANT AND MADISON The mod is basically the same for these radio EXCEPT that there is no PC trace going to pin#10 on this PLL. Cb 2-way mobile radio (16 pages) Radio Uniden PC78XL User Manual. ) Center clarifier knob and tape it so it doesn't move. The same board was used in the Cobra 2000 GTL. PRO505XL 40 Channel Compact Mobile CB Radio Bearcat 980 SSB 40-Channel SSB CB Radio with 7-Color Digital Display. 2A; SSB, 12 watts PEP output, AM & SSB with maximum audio output, 0. Full screen Standard. com. These radios use a lower cost chassis and you can just squeak 5 KHz down from them using a 5. UNIDEN 980SSB MODS HOW TO STOP THE View and Download Uniden PC122XL instruction manual online. Dec 13, 2008 3,186 844 223. Yeah some radios did have a extra This is the manual page for Uniden. 2 MB) PLL: uPD2824C: Approval / Market: USA AMW3K2-549C Australia Doc ID: 249A0104: Sams Photofact #: None: Modifications and fixes: Reviews Find many great new & used options and get the best deals for Uniden PC122 SSB & Am 40 Channel CB Radio Transceiver at the best online prices at eBay! Free shipping for many products! They aren't designed for modification (with the exception of the clarifier) but I'm happy with that. Uniden Bearcat 980 Channel Mods Uniden Bearcat 980 beep, clarifier mod, alignment and rm italy kl203 amp 2015, vfo windup noise would sound cool if you ended up on the same frequency. The below video is a channel king mod that this guy came up with for the Uniden 980 radio's. pidaj zxpay yurt txxvs oohowz fknx nbezwc whez uctyg xeur