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Cobra 148 gtl adjustment points?

Cobra 148 gtl adjustment points?

I have a Cobra 148 GTL-B (looks just like a Superstar 2000) That is AM/SSB Stock 50 channels with the tone switch rerouted to another stock crystal set on the board but that whole section is not in the schematics. Higher value (obviously) increases the delay. Adjusting Longboards - Adjusting longboards requires a bit of know-how. I know where the pots are in my radio to accomplish what I want to do and I have a plastic screw driver All you need to do is find the local oscillator test point and make the adjustments from there (and the 10 All this should be in the service. it works on fm and am but not on side bands. ATENÇÃO: Qualquer postagem NÃO relacionada ao Cobra 148 GTL com DDS Serão excluídas. FIRST STEP - CONVERTING Received this radio brand new in the box. 7k resistors 3- adjust vr10 for 2-3 watts(or wire to variable) 4- solder positive side of 10uf 35 volt cap to pin 9 of ic6 handy andy there was a post where I ask about if any adjustment on a cobra 2000 gtl &148 gtl side mic for internal SWR calibration, I can't locate it meaning when on a dummy load and set the radio to see SWR instead of 11 they both are showing 14 you reference out to 2 resistors. Re: Cobra 148 GTL DX Bezel screws. Aug 30, 2021 · Set the S/RF switch to the CAL position. Cobra 148 GTL AM/SSB CB Radio Review. However, after years. Last modified 2022-02-02 Cobra 142 GTL (By Dynascan) Email de contato estudio_sampa@hotmail. 3 5 View and Download Cobra 148GTL-DX instruction manual online. My grandfather left me a nicely modified one when he died in 1978I'm guessing it was at least several years old by then, so likely one of the first built. View online or download Cobra 2000GTL User Manual. Dnipropetrovsk Oblast, also known as Dnipropetrovshchyna, is an oblast (province) of central and eastern Ukraine. Hiya, I have Cobra 148 (PB-010 chassis)which has suffered at the hands of the screwdriver and blowtorch brigade over its 30 year lifespan. The below picture shows the 4 rows of coils/inductors and associated Crystal at the end of each line, arrowed in Red. I see the adjustment pot, I can adjust it back down for longevity sake. To transmit a continuous tone, install switch S2 as shown. Fixed and aligned a Cobra 148F GTL once before. If your business uses Quicken financial management software to track the company's checking accounts, it's good practice to compare the numbers in Quicken with the statements provi. Someone who wanted to help you repair your equipment put together this information. Wanda asks, "We recently installed a storm door. Today, many vehicles are being manufactured with four-wheel disc brakes. Speaking to people in foreign lands, with various configurations of copper wire in various strange. Press the PTT (Push-to-Talk). Peak/Tune/Frequency-Check to a 148GTL (Taiwan)? Including the SSB settings. (Cobra 148 GTL Uniden Grant, channel Expander = 128 Freq +6 digit Freq counter) Reply. It basically is a Cobra 148 with the Frequency Counter and some push buttons instead of the standard switches. Not sure why you would want to modify the audio , or power ? I use a Cobra dynamic plus with them both , and get good reports. President Grant, followed by Uniden Grant and Cobra (made in the same time period, with later model Cobra's coming in last. How to adjust the BRT / DIM lamp intensity Mar 9, 2006 4,131 Aug 4, 2010 lowering the deadkey using the AM POWER adjustment (VR10) should not affect the modulation percentage. But the higher you get, the more your body hates i. The Mode in brackets ( ) indicates which mode the radio should be in. It's your gross, or pretax, inco. Get top content in. To transmit a continuous tone, install switch S2 as shown. How To Use Your, 40-CHANNEL, CITIZENS BAND SSB/AM 2-WAY MOBILE RADIO, CITIZENS BAND SSB/AM 2-WAY MOBILE RADIO I am looking for assistance with the following issue: I have a Cobra 148GTL (Made in Malaysia) with not modification. The use of all solid state circuitry and its light weight result in high reliability. I think it was designed to only work with those particular units. Date: Date: Date: Tuesday, Tuesday, Tuesday, March March March 11, 11, 11, 2008 2008 2008 Rev Rev Rev 15 1. SSB modulation seems fine but when I compare the AM from this radio and another 148, my locals say the other one sounds much better. I have an Cobra 148 GTL NW/ST that refuses to allow the ALC to be be turned up. comnome Clebiomercado pagoDeus abençoe sua. Adjusting Longboards - Adjusting longboards requires a bit of know-how. The Grant XL is the same radio as the Philippine made Cobra 148. 5khz y para los galaxy. I also have a Kem-Tron Frequency Counter. Early Version (PC879) MB8719. Contact us for current pricing. Any help would be appreicated. Courtesy of David, of City Electronics. New Listing Cobra 148 GTL 40 AM/SSB CB Radio with Mic & New Power Cord $198 $10 0 bids. cobra_148gtl diagrama eletrico - Free download as PDF File (. 5x11) Schematic Diagram (11x17) Schematic Diagram. watts, especially if you plan on ever driving an amp. Sub PCBs: Additional info: FCC ID: BB03K2 148GTL. Tech833 3 1 12-05-22 1:46 pm SBE sidebander VI tune up info Jimmyhoffa 1 1 4-18-22 12:05 am Direct inject on Uniden PC76xl Tech833 2 1 4-02-21 2:22 am Cobra 200 gtl frequency drift Tech833 2 1 8-19-20 11:58 am Help with Workman Roger K - Instructions and relay Shakymcquiver 1 1 12-13-18 9:53 pm Dx959 talkback switch Dale 4 1 3-20-18 8:13 pm Cobra 148F GTL Awesome as seen on an oscilloscope. I was talking to someone from "the" local cb shop here, and he mentioned a. Alignment information for the PTBM122 PCB. Aug 9, 2007 · Cobra 148 Remove TR26 Put a jumper across R196 (This increases the range of VR10) Put a 10uf - 25 volt electrolytic cap to these points: The positive leg goes to pin 9 of the IC6 (the audio IC), and the negative leg goes to the R194/D63/R228 junction. you’re six weeks into your new life in a new city you’re six weeks into your new life in a new city Or a year. Features - Volume/Squelch Dynamike RF Gain/SWR Cal RF/CAL/SWR Knob AM/LSB/USB KnobThe Cobra 148F GTL is unique because it came stock with a built in. " 11060MHz to 28. East to install module for super modulation on Cobra GTL-148 AND GTL-2000 BASE. 5) Adjust VR10 for maximum PEP on AM. While still holding the button on the microphone, set the switch to the SWR position. The original Cobra 148 Mk1 was a GTL and just had AM/SSB, the Cobra 148 GTLDx is a Mk2 and had FM added and the 1300 series is a Mk3 148. 148 GTL Front Mic Saturn Turbo. View and Download Cobra 148 GTL operating instructions manual online. 1758MHz to get the low band instead if that is what you need. They use the same motherboard. 5) Adjust VR10 for maximum PEP on AM. If your business uses Quicken financial management software to track the company's checking accounts, it's good practice to compare the numbers in Quicken with the statements provi. Cobra 148 GTL-B Printed Circuit Board PTBM122DOX. Dnipropetrovsk Oblast Tourism: Tripadvisor has 13,429 reviews of Dnipropetrovsk Oblast Hotels, Attractions, and Restaurants making it your best Dnipropetrovsk Oblast travel resource. Cobra 148 for sale Cobra 148 gtl: 200. Return to single 2400Hz tone @7mV, adjust for 92% modulation (see note above) RV6 Adjust to match actual RF power. CITIZENS BAND SSB/AM 2-WAY MOBILE RADIO Section I Intr oduction T he COBRA 148GTL tr anscei v er represents one of the most ad v anced SSB/AM tw o- w a y r adios ev er designed for use as a Class D station in the Citizens Radio Service. verizon colorado outage USB is supposed to be 34. Cobra 148 GTL variable power mod Sept 23, 2009 12:37:34 GMT -5 Select Post; Deselect Post; Link to Post; Member SWR calibrate pot, and you can set it to full scale at say, 3 watts, and you can retain SWR functionality. Publication date 1983-01-01 Topics "instruction manual" transceiver cobra 148gtl Collection manuals_various; manuals; additional_collections Language English. 405The COBRA 148GTL has a vastly superior receiver which includes an RF gain con-trol and noise blanker circuitry effective in both AM and SSB modes uto-matic noise limiter effective in the AM mode. The Cobra 2000 GTL citizen's band base station radio demonstrates the epitome of contemporary CB base station design. Good luck, Respectfully. Get the best deals for cobra 148 f gtl cb radio at eBay We have a great online selection at the lowest prices with Fast & Free shipping on many items! Go To The Defpom CB Radio Simulator software page. It was opened and modified for extra frequencies and unloc. I do not recommend cutting R131 which limits the modulation. You don't need super tunes on these radio because they are superb performers already. it has its advantages over a standard 148 gtl in its ability to cover more frequencys and have more modes of transmission. Read the SWR along the top scale of the meter. ( Covers 148GTL, 148GTL ST, 148 NW ST) (dated 1997 1998) Jul 5, 2009 · SSB CB Radios on Amazon: https://amzn. Click on the Cobra 142 GTL, it will take you to a picture of the radio with the counter. OPERATING INSTRUCTIONS FOR YOUR 40 CHANNEL. i recently purchased a cobra 148 that i know nothing about. It's a NPN transistor, and there are a lot of them that will do the job. ATENÇÃO: Qualquer postagem NÃO relacionada ao Cobra 148 GTL com DDS Serão excluídas. Making the noise louder won't improve your receiving range. I have a Cobra 148 GTL with AM/SSB Has a Mod kit with variable power, variable talk-back and loads of channels. The radio has never been tuned in any way and the lsb tx is a little off frequency. Go To the Cherokee AH 27 Alignment page. to/3yzKboZCobra 148 NW GT CB Radio Peak and TuneMy A. I have a Cobra 148 GTL with AM/SSB Has a Mod kit with variable power, variable talk-back and loads of channels. human population webquest worksheet answer key pdf (like it would with talkback) Only on AM, not SSB. 5k resistor to middle leg of tr24. About 80 per cent of the total population lives in the administrative centres: Dnipro, Kryvyi Rih, Kamianske, Nikopol and Pavlohrad Cobra 148 GTL SYNTHESIZER ALIGNMENT. ( Covers 148GTL, 148GTL ST, 148 NW ST) (dated 1997 1998) Jul 5, 2009 · SSB CB Radios on Amazon: https://amzn. Features - Volume/Squelch Dynamike RF Gain/SWR Cal RF/CAL/SWR Knob AM/LSB/USB KnobThe Cobra 148F GTL is unique because it came stock with a built in. " 11060MHz to 28. 7 watts so I looked up AM Power adjustment and it points to VR6 148 GTL: CUT R131: VR10, (ssb)VR11: 148 GTL-DX (early prod CUT TR32 Change R99 to a 2. Set the Cobra CB to channel 21. ECG-612 "will" in most cases, expand the slide a whole 10 kHz or one. We have 2 Cobra 148GTL-DX manuals available for free PDF download: Instruction Manual Hello all, I am doing my first ever Cb alignment on a Cobra 148gtl. Many workers unfortunate enough to get the ax in this recession at least had one thing working in their favor: subsidized health insurance. I have a problem with installing the FC390 frequency meter on my 148GTL snake. You should find the information your after on CBTricks under radio information. MK2 The Cobra 148 GTL-DX PB-010AA/AB MK2 Chassis is very different when. Parents especially have had to make major adjustments, as most have gone from working commuters to Adjusting to parenthood takes time and patience because of the plethora of changes. state police mlo fivem Also included is a new power cord and new mounting bracket with hardware! I'm getting to that but first let me say that Cobra has been the industry leader in producing good quality CB radio's down through the years, there was the great line of Mobil "AM" radios such as the 25LTD, 29LTD. Mar 27, 2002 · Cobra 148 GTL Power Tweek and Modulation 1) Change R126 to a 2 2) Change R124 to a 4 3) Remove TR24 4) Re-tune L37 and L38 for maximum forward AM power. Of course, it's one of the Chinese ones (exactly the same as the one Robb reviewed last year). Namely a problem with people not being able to clarify the output of the new 148s SSB, due to a poor voltage regulator, so the voltage drop causes the variance in frequency in SSB Well here is some info. Opens in a new window or tab $20 gamma-ray-graphics (2,373) 98 Buy It Now +$5 Free returns TARJETA FONDO MUSICAL RADIO CB 4 TONOS COBRA 148GTL, SS3900 GALAXY STRYKER SR. When I have the S/RF CAL SWR switch in the S/RF position the meter instantly jumps up to about a S-9 reading. The PCB in this radio is almost identical to the Grant (PC-409) and the Madison (PC-411) and it can be used for comparisons. watts, especially if you plan on ever driving an amp. 1125) open voice lock -18kc +6 kc on the bench right now it has channel mods from 26045 every thing is right on but only on upper 40/40 27045 no rx/tx on am/usb and frequency counter drift so i goin to check tr31 and tr32 plus diodes thank you Andy Average rating for this file: 6. it HAS been modified to have upper& lower am/ssb channels. I need help with a hacked Cobra 148 GTL I just bought. I would look up Cobra 142 GTL "slide/clarifier mods", and start looking at the parts designators mentioned, compare that to what's in the radio. Cobra 148 GTL ST Pdf User Manuals. I was following the alignment procedure and frozed on tp14,cannot find anywhere on older cobra 148gtls. Remove this component, use a jumper wire with a ferrite bead on one. chassis of the radio Remove the top cover plate and tighten all the screws around the edge of the 4. Cobra 2000 gtl on the schematic calls for a 11 Adam can you show us a picture of your crystal? The best mic I have used with my 148 gtl's is the stock mic that comes with the more recent Uniden radios.

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