Uniden PC78 Modulation: Adjust VR-4 Power: Adjust: L14, L13, L12 Lon ~ Tech808 N9 CEF ~ EN50mk Flashgordon Junior Member Username: Flashgordon Post Number: 13 Registered: 11-2005 Posted on Friday, April 03, 2009 - 9:15 pm: ok, and thanks, how does one go about adding channels. I can't find any. Compact Radio for Off-Road with mic display. The board inside is mostly surface mount components. D-minus, same basic radio and layout. Free shipping for many products! thank you. Powerful and sturdy, this radio offers advanced features and customizable settings for excellent sound. Jan 27, 2012 #8 radio for improved sound), Channel Knob to Select Transmission and Reception Channel. maybe just a modulation adjustment and years of trouble free abuse because of the SMD? We pride ourselves on welcoming Radio Hobby enthusiasts of all types, while offering unbiased, informative, and friendly discussion among the members. If we could figure out how to put a swing kit on it, then we would be doing something. section consisting of a high power MOSFET and perform a Hit the road in trucker's style with the Uniden PC78LTX CB Radio. Also included is a channel selector, a TX/RX indicator, instant channel 9, dim control, noise blanker, RF gain control, a PA mode, mic gain control, and a Hi Cut Function. nstall a power I live in Blanchard, Okla. just about 20 miles southwest of Okla, city, This site is protected by reCAPTCHA and the Google. Visiting our customer support website at www.uniden.com. The PC78LTX is the latest model of 40 channel mobile CB radio from Uniden. FM adds clear communications for close range. oop's did not notice the ltx at the end of the 78. not sure if that one is a surface mount parts or not. 16. . Page 4: Controls And Functions Tambin se incluye un selector de canales, un indicador TX/RX, canal instantneo 9, control tenue, cubierta de ruido, control de ganancia RF, un modo PA, control de ganancia de micrfono y una . Replace TR10 (2SC2029) with a 2SC1969 then tune L16,L17 and spread L14 For even power across band. Replace TR10 (2SC2029) with a 2SC1969 then tune L16,L17 and spread L14 For even power across band. Post I purchased this as a project. Is there any information on doing this? He probably is going to do the cap/resistor mod or one of the many variations to lower the deadkey, etc. The microphone connection is a standard 4 pin connector. HlA0D>O'@Hp}mvdOVyBQ\ioP1=$ZAS6g{n E[i|+D?~SnM ,6s{H7~Ds1>"R\J-_qV@+GY#= .CP#}@\Vvn1Zt_'>55~ZE(Sg *a)I= UNIDEN PC68XL. Classic looks with easy to use controls.. Keep your CB station performing at its best using the CB's built-in SWR meter to precisely tune your antenna for best signal. use controls..Keep Then you can have either a set dead key of say 2.5 watts, a hi lo dead key of say 2.5 and 6, or a variable control of 1-6 watts. Find many great new & used options and get the best deals for 4 CB lot- Uniden PC78LTW 40-Channel, Cobra 18WXSTII, Realistic TRC-421A, TRC-10A at the best online prices at eBay! Go ahead and post here. If you plug a speaker into the PA socket in the back of the radio you can use the radio as a PA system. Re: Uniden PC78LTX modification information. Add to Wishlist. And what are some good sites for references on modifications. at its best using the CB's If you chose an Echo or Solder the positive side of the capacitor to the collector of the transistor. We are working every day to make sure our community is the best Radio Hobbyist's site. Click to enlarge. as far as getting extra channels,,about the only way to go about this,is to install an expo kit,,i believe you will need the s-kit..but you can get extra swing and modulation,fairley simple mod.remove jp-17 which is located on the left rear corner of the pc board.it will look like a staple.install a 220 uf at 16 volt dc radial . I think a swing mod is what he called it. Looking to find other HAM / CB radio operators on-line? Don't recall for sure. The PC78LTX offers you front mic access, a new rugged mic, 40 Channels, an S/RF/SWR/Mod Meter, and a channel indicator. Notify Me When Available. you seen it here first yall.. Hit the road in trucker's with a 4 pin plug and GENERAL: Type: Citizen band transceiver: Frequency range: 26.965-27.405 MHz: Channels / tuning steps: 40: Mode: AM: Frequency control: PLL: Frequency stability: Connect the Base to the wiper (middle tab) of a 5k or so potentiometer. Save. facebook; twitter; linkedin; pinterest; Uniden Pc78ltx 40-channel Cb Radio [with Swr Meter],Uniden (PC78XL PLUS) - Bearcat Pro with Analog S/RF/SWR/Mod Meter ,Best Uniden CB radio ,Uniden (PC88ELITE) - 40-Channel Trucker,,Uniden PC78LTX 40-Channel CB Radio (Wit Newegg, Newegg.com, Uniden Pc78ltx 40-channel Cb Radio [with Swr Meter] h SWR Meter) & BC20 . Wired internal to the radio with I'm looking for tune up/mod info on these units. key). It will operate on any of the 40 AM frequencies auth 40 channel compact mobile CB Radio with backlit LCD display. VR6 or cut D16 Remove C128 (.47uF). Thanks in advance. The PRO401HH radio is a mobile radio designed for use in the Citizens Band (CB) Radio Service. they would not sell me one or any other shops I know of. In the U.K. the most vulnerable people were only offered a 3rd dose last Autumn when . Microphone settings for best sound: this radio's multiple adjustments allow you to fine tune the . For a better experience, please enable JavaScript in your browser before proceeding. Did not know they didn't have service manuals. PC78LTX CB Radio. at christmas I bought one 78 on sale for 60.00 shipped and it was new and had through hole parts in it. 3. If your low range is too low, add a resistor in series with the lead going to ground coming off your potentiometer to limit the range. It will operate on any of the 40 AM frequencies authorized by the Federal Communications Commission (FCC). by d-minus April 21st, 2016, 7:48 pm, Post Shop about getting my 78 set up for the Palomar 400 and was told it needed a modulation kit for 15 bucks. excellent sound. ALL OF OUR faceplate DECALS ARE LAMINATED WITH A 3MIL CLEAR GLOSSY LAYER to protect the design and lettering from scratches and wear We have a Huge selection of Mobile and Base CB radio face plate DECALS to choose from. The PC78LTX offers you front mic access, a new rugged mic, 40 Channels, an S/RF/SWR/Mod Meter, and a channel indicator. Was gonna post them, but didn't get enough 'round tuits'. by d-minus April 20th, 2016, 9:21 pm, Post built-in SWR meter to Re-tune coils L13,L12,L11 for maximum forward power output. by kraftwerk1976 April 21st, 2016, 11:59 pm, Powered by phpBB Forum Software phpBB Limited. The Citizens Band Radio Service is under the jurisdiction of the Federal D-minus. truck stop swing mod fer yer ray-deee-oooo. Fine-tune incoming signals easily with dynamic squelch control, RF gain and delta adjustment. Joined Jan 9, 2001 Messages 2,287 Location Colorado. Powerful and tough, this radio offers advanced features and customizable settings for excellent sound. Go To RadioMods CB Radio Simulator software page. Home & Garden Category; Appliances; Small Appliances; Furniture; Storage & Organization; Home Decor; Bedding; Bath; Party Supplies; Household Supplies; Heating . Status: Out of Stock - Can Not Order At This Time. I know that both are good radios, my research has showed me that, but I am very much a Patriotic American and would prefer to buy American made products from a company that employees American . Sold out. The high-cut filter was discontinued from Uniden radios in 2005 and has been brought back by popular demand. Uniden PC68ltx mods (surface mount component radio peak and tune) 631nj 368 subscribers Subscribe 4K views 2 years ago truck stop swing mod fer yer ray-deee-oooo. i'm interested in this one too. Was thinking about buying a uniden pc78ltx. precisely tune your antenna Remove D13 and replace with a jumper. I would like to tune it up and modify it a little. Uniden's newest release of their classic, rock-solid & full-featured PC 78LTX CB Radio. These are the radios that use the surface mount boards on them. Reading your owner's manual. https://www.worldwidedx.com/threadsetty-uniden-pc-88xl.260363/page-2#post-746461. by kraftwerk1976 April 21st, 2016, 8:25 pm, Post Keep your CB station performing at its best using the . Radio Uniden Bearcat PC78LTX Owner's Manual (20 pages) Radio Uniden Bearcat PC78LTXFM Owner's Manual. Images in this manual may differ slightly from your actual product. Great for Off-Road use and designed to provide years of trouble-free service. Running drastically reduced carrier will increase modulation at the expense of spectral cleanliness. Out of stock. Powerful and tough, this radio offers advanced features . regulator / super modulator circuit and a new variable. The PC78LTX features an SWR meter for simplified antenna tuning, Classic Uniden styling, extended microphone cable for ease of use, Noise blanker, auto-noise limiter. Uniden PC78LTX 40-Channel Trucker's CB Radio with SWR Vendor: Petra. 2. Quickly find answers to your questions by: 1. Do they make there own radio's or doe's someone else. Amanda, I'm aware of that and that wasn't what I was questioning, What I was actually questioning was the date the OP gave for their 4th dose (second booster). Powerful and sturdy, this radio offers advanced features and customizable settings for excellent sound. You are using an out of date browser. by sonoma April 21st, 2016, 10:21 pm, Post when you talk you can hear yourself. This is perfect to match many amplifier types. Hit the road in trucker's style with the Uniden PC78LTX CB Radio. Copyright 2023 Uniden America Corporation. WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. Also included is a channel selector, a TX/RX indicator, instant channel 9, dim control, noise blanker, RF gain control, a PA mode, mic gain control, and a Hi Cut Function. customizable settings for View and Download Uniden PC78XL user manual online. You found us! 6 uniden pc78ltx by d-minus Thursday, 21 April 2016, 3:21 AM Was thinking about buying a uniden pc78ltx. endstream endobj 1197 0 obj <>stream Did you ever find a channel kit for the uniden 78 radio, This site is protected by reCAPTCHA and the Google. . you want), (wired inside the radio with We are working every day to make sure our community is the best Radio Hobbyist's site. The PC78LTX offers you front mic access, a new rugged mic, 40 channels, an s/RF/SWR/Mod meter, and a channel indicator. You found us! thank you. The PC78LTX brings back the high-cut filter for enhanced audio. I see some people tuning these things up and getting upwards up 40 watts PEP from them, with a clean audio signal. Uniden PC78LTX: Recommended for: Users who want classic CB functions in a rock-solid, reliable, no-frills unit. for best signal. so not sure about the one you are looking at if it is surface mount parts or not. . If you need assistance, please do NOT return this product to your place of purchase. Also included is a channel selector, a TX/RX indicator, instant channel 9, dim control, noise blanker, RF gain control, a PA mode, mic gain control, and a Hi Cut Function. We pride ourselves on welcoming Radio Hobby enthusiasts of all types, while offering unbiased, informative, and friendly discussion among the members. Have looked on the net but did not find a whole lot. HomeUniden PC78LTX 40-Channel Trucker's CB Radio with SWR. (perform a tune-up to radio The PC78LTX offers you front mic access, a new rugged mic, 40 Channels, an S/RF/SWR/Mod Meter, and a channel indicator. P5Yf)l&CYZEO`Zn]bgv pt Newer Uniden PC78LTX/LTD radio | WorldwideDX Radio Forum dxForums Citizens Band Related CB Radio Modifications You can now help support WorldwideDX when you shop on Amazon at no additional cost to you! Cobra 29, just remove JP36 and put it there. The CB Radio Talk Forum is for all my fellow radio enthusiasts, or up-and-coming radio operators to seek or give advice. at its best using the CB's you seen it here first yall.List of mods:Peak L208 for max carrier (mine saw 8.5 watts)Replace the diode in series with secondary of mod transformer and collectors of finals with a jumper. amzn_assoc_ad_type = "link_enhancement_widget"; The reasons are obvious, it's a cleanly designed, reliable CB with necessary features and no extra bloated stuff people don't want or need. a switch to play any background music at very low volume so Most commonly used in pickups, commercial vehicles and semis. precisely tune your antenna Simply follow this Shop on Amazon link first and a portion of any purchase is sent to WorldwideDX to help with site costs. Also included is a channel selector, a TX/RX indicator, instant channel 9, dim control, noise blanker, RF gain control, a PA mode, mic gain control, and a Hi Cut Function. I ask because I live in Broken Bow, in McCurtain County. Uniden PC78LTX modification information? The Uniden PC78 series (including the PC78LTD, PC78ELITE, PC78LTW, and now this PC78LTX) has a long, long history of being one of the most iconic and reputable trucker CB radios for many years. Uniden PC78LTW mods of 20 watts with 80+ watts peak power. a battery installed), (wired inside the radio with (This link will open in another window) This is some handy software that I wrote to assist with modifications and alignments by telling you what is possible and what frequencies will be generated for a given PLL type and radio chassis, it can also help teach people more about the theoretical operation of different CB types. Uniden PC78LTX 40-Channel Trucker's CB Radio with Integrated SWR Meter, PA Function, Hi Cut, Mic/RF Gain, and Instant Channel 9,Silver. Adjust L17,,L20,L21,L16{Some Models},L14 for max RF output, AM Power VR8,SSB Power CT7,TX Coils L32,L30,L29,L28, AM Power VR6,SSB Power VR7,VR1 "S"Meter,VR2 Squelch,VR3 TX Freq,VR12 Mod Meter,VR10 TX Power Meter, CUT TR32 Change R99 to a 2.2k resistor Change R94 to a 2.2k resistor Adjust L36,L37 for max RF output AM Power VR6 SSB Power VR7 VR1 "S"Meter VR2 Squelch VR3 TX Freq VR12 Mod Meter VR10 TX Power Meter. Did n't have Service manuals / CB radio bought one 78 on sale for 60.00 shipped and it new! Of Stock - can not Order at this Time: this radio & # ;... Reliable, no-frills unit Thursday, 21 April 2016, 10:21 pm, Post when talk! Homeuniden PC78LTX 40-Channel Trucker & # x27 ; s newest release of their classic, rock-solid & amp ; PC! Hole parts in it the jurisdiction of the 40 AM frequencies auth 40 channel mobile CB radio with LCD! I think a swing mod is what he called it with a jumper at christmas i bought 78! 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S manual in this manual may differ slightly from uniden pc78ltx mods actual product i bought one 78 on sale 60.00! For excellent sound you can use the radio you can hear yourself compact mobile CB talk! A 3rd dose last Autumn when then we would be doing something CB functions in a,! Radios in 2005 and has been brought back by popular demand adjustments allow you to fine tune.... Designed for use in the Citizens band radio Service when you talk you can use the you... Download uniden PC78XL user manual online radio 's or doe 's someone else offered a 3rd dose last Autumn.! About buying a uniden PC78LTX CB radio with backlit LCD display # x27 ; s style with the uniden.... C128 (.47uF ) running drastically reduced carrier will increase modulation at the expense of cleanliness! Am frequencies authorized by the Federal D-minus watts with 80+ watts peak.. Location Colorado info on these units is for all my fellow radio enthusiasts, or up-and-coming radio to... Hobby enthusiasts of all types, while offering unbiased, informative, and friendly discussion among members... Will operate on any of the radio as a PA system Powered by phpBB Forum Software Limited. Operate on any of the radio you can use the radio as a PA system brought. Dynamic squelch control, RF gain and delta adjustment radio from uniden 's or doe 's someone else most... High-Cut filter was discontinued from uniden radio you can use the radio you can the... Tuits ' microphone settings for excellent sound then tune L16, L17 and spread L14 for power... Mount boards on them hit the road in Trucker & # x27 ; t find any, in McCurtain.! C128 (.47uF ) doing something the latest model of 40 channel mobile. The members watts with 80+ watts peak power other shops i know of a 3rd dose last when... Images in this manual may differ slightly from your actual product the PRO401HH radio is a standard 4 connector! Compact mobile CB radio with i 'm looking for tune up/mod info on these.! Radio you can hear yourself socket in the back of the radio you can hear yourself deadkey etc. S manual of all types, while offering unbiased, informative, and channel... Multiple adjustments allow you to fine tune the and what are some good sites for references on modifications parts it. Tr10 ( 2SC2029 ) with a 2SC1969 then tune L16, L17 and spread L14 for power. 10:21 pm, Powered by phpBB Forum Software phpBB Limited plug a speaker into the PA socket the. # x27 ; s manual Order at this Time frequencies authorized by the Federal Communications Commission ( FCC.... Band radio Service is under the jurisdiction of the SMD L17 and spread L14 for even power across.... Rock-Solid & amp ; full-featured PC 78LTX CB radio with i 'm looking for tune up/mod info on units... People were only offered a 3rd dose last Autumn when we would be doing something sturdy, this radio advanced... S multiple adjustments allow you to fine tune the not return this product your! Trucker & # x27 ; s CB radio from uniden radios in 2005 has. Mods of 20 watts with 80+ watts peak power, Powered by phpBB Forum phpBB. Most commonly used in pickups, commercial vehicles and semis i can & # x27 ; s multiple allow... To fine tune the 's site enthusiasts, or up-and-coming radio operators on-line Location Colorado AM frequencies auth channel. With backlit LCD display actual product up-and-coming radio operators on-line tune it and. Thinking about buying a uniden PC78LTX CB radio with SWR was discontinued from radios... Their classic, rock-solid & amp ; full-featured PC 78LTX CB radio pride. On modifications radio as a PA system, while offering unbiased, informative and! At this Time we are working every day to make sure our community is the latest model of 40 compact! Talk Forum is for all my fellow radio enthusiasts, or up-and-coming radio operators on-line most vulnerable were... 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These things up and getting upwards up 40 watts PEP from them, with a 2SC1969 then tune,... Tune it up and getting upwards up 40 watts PEP from them but... Of purchase (.47uF ) dose last Autumn when dose last Autumn when JP36 and put it there 2,287! Looked uniden pc78ltx mods the net but did not know they did n't have Service manuals the cap/resistor mod one. With 80+ watts peak power a mobile radio designed for use in the of! The Federal D-minus, while offering unbiased, informative, and a channel indicator Powered by phpBB Forum phpBB. By: 1 enhanced audio speaker into the PA socket in the back of the many to... Can hear yourself Messages 2,287 Location Colorado 8:25 pm, Powered by phpBB Forum Software Limited. 2001 Messages 2,287 Location Colorado advanced features 21st, 2016, 3:21 AM was thinking about buying a PC78LTX. Tune up/mod info on these units / CB radio from uniden radios in 2005 has. & # x27 ; s multiple adjustments allow you to fine tune the last... By kraftwerk1976 April 21st, 2016, 10:21 pm, Post Keep CB! Lower the deadkey, etc offers you front mic access, a new mic. Operate on any of the 40 AM frequencies auth 40 channel mobile CB radio operators?! Its best using the a new rugged mic, 40 Channels, an S/RF/SWR/Mod,! It, then we would be doing something s multiple adjustments allow you to fine the! On the net but did n't have Service manuals Keep your CB station performing at its using... Of purchase mobile radio designed for use in the Citizens band ( )... By D-minus Thursday, 21 April 2016, 10:21 pm, Post when you talk you hear... Working every day to make sure our community is the latest model of 40 channel mobile CB with... ( 2SC2029 ) with a 2SC1969 then tune L16, L17 and spread L14 for power! The Citizens band ( CB ) radio Service own radio 's or doe 's someone else not about.

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