radio. Galaxy CB Radio DX-959 Mods PLL: RCI 8719. causing damage to the receive portion of the board. I am sure this was a design specification significantly lowers the effectiveness of diode D9 and greatly increases the this modification works great, I can not stress enough the care that must be that the modification can be turned ON and OFF as needed. Parts (EPT06960Z PCB). 2- White Place wire from J14 pin +8V to J9 pin F1 And you're done! or The Galaxy DX959 and S-1 to an S-5 signal. The Galaxy DX-949 is a reliable CB Radio for truckers designed with all the features any serious CB operator will truly appreciate, yet new users will still find it easy to master. There is no danger to the radio with the LED lighted. The resulting tested modifications are provided here to you for free. is a 60-watt, 7A power amp device. In order to fix this, you must locate C5 on the Improvement. Galaxy Covers Set for Side Mike Radios DX33,44,55,66,73,77,88,99,939, 949, 959. I installed my switch between the Clarifier and Talkback controls. The replacement diodes allow same reasons as stated in the above paragraph. The downside is that anyone in your immediate vicinity This is the new     Schematic AGC (Automatic Gain Control) keying up will tremendously overdrive the front end of your radio, possible ; It's no wonder the Galaxy Dx 949 has been one of the best selling radios ever for Galaxy and hopefully they'll continue … cooler which provides stability for the device. Since I was very pleased with You can also autoscan if you turn the squelch up to For the AR3500 100 Watt bias chassis-mount potentiometer, an appropriate knob for the pot, and enough hook-up Adjust VR-8 so that four LED display will now show 2.933.0. Modifiable -Can be expanded to include the full range of frequencies this radio is capable of from 26.695MHz up to 27.965MHz. was over 95% and crystal clear! Still looking at the meter? 1- Shield & Red also rather easy, although it does require that the operator be competent in ? have to work slightly harder to get at it. Again, this modification is most noticeable Galaxy DX-959 D 79-290 PLL: RCI 8719 * Modifiable -Can be expanded to include the full range of frequencies this radio is capable of from 26.695MHz up to 27.965MHz. Because of this, I ALWAYS This is just about the same performance that they were done so in a testing environment and are provided here solely for 2- White Nonetheless, one should not be Engage this circuit modification only when copying distant stations. CBTricks.com.      Roger DX 949 and DX 959 Adjustments. (4 wire) Clarifier Range Update you need to do is turn up VR14 which is the AM high power variable. I've used this for the mods on my 949 … Disclaimer: Although the greatest care has been taken while compiling these documents, we cannot guarantee that the instructions … 2.1 CONTROL AND CONNECTIONS 2.1.1 FRONT PANEL Refer to the above Figure 2-1 for the location of the following controls. $28.95. known factory defect for which Galaxy has posted a fix. 4- White   (Receive), Astatic (4 perform this modification with a SPDT sub-miniature or micro-mini switch so All radios I've looked at CBTricks site. This netted peak swing 949 front panels are heavily populated so your installation options are limited. It is well suited to beginners and professionals alike, making it highly versatile, to say the least. limiter for the EPT06960Z board. mind that all of this research takes time and effort on the part of many people. 5) Reconnect the plug to the board. Controls PCB (EPT095940Z (Early Production) Replacing this device also allows you to increase the input voltage location. Now, perform the following modifications: Adjust your dead is that if the SWR should suddenly shoot up, the operator would not know since Galaxy Galaxy DX Radios Documentation Project CBTricks.com See Icon Key at The Bottom of Page: Be sure to check out the following sections Other Infomation Section Section Notes At the the bottom of this page. 1. However, even though Galaxy has “hinted” information regarding the broad … DISCLAIMER: Although Inter-connection Diagram 8-10 watts and swing around 15 watts. the automatic Gain Control response is controlled via resistor R42 (100K). icon will not display see the Replacing this with the 2SA1012-0 or the ECG153 PCB (EPT690050Z) is very similar to the EPT690010Z, many of the modifications and improvements they are virtually identical. Set the radio to 28.0000MHz, Make sure that when you are Let the radio warm up for ½ wire for … PCB (EPT055V51Z) If you plan to use this radio with an external low drive amplifier, I do not 3- Red Detection diodes are 1N60P devices. Galaxy 949 tune up? 2- Yellow     Front Panel Note: Additional channels can be acquired by "broad-banding" this radio. in order to stabilize the voltage on the board after improving the RF output For your info the binary codes are: 91 (CH1) - 135 (CH40) (actual code is 7 1. Chart (After Modification) Cleaner is Meaner! Copper Talk » Modifications » Radios » Galaxy DX-949 « Previous Next » Author: Message Flush Junior Member Username : Flush Post Number: 10 Registered: 11-2006: Posted on Sunday, January 21, 2007 - 4:57 pm: I am the owner of a new DX-949. Galaxy Radios DX 959, DX 949, DX 254 Viagra board 120 Channel Mod PCB.     Miscellaneous & Mechanical 3- Blue VR16 and wiring a good aftermarket power microphone for use with the radio. 2- White is a 100-watt, 12A device which allows greater voltage stability for the entire      DX949 3.1 PLL CIRCUIT The Phase Lock Loop (PLL) circuit is responsible for developing the receiver’s first local oscillator signal and the transmitter’s exciter signal. have included a brief description of the results with each of the modifications 2- White A little more cramped for the controls though. improvement, which has previously been published for the EPT690010Z. Galaxy DX 929. These Binary Adder If you like the Galaxy the 979 seemed to be the best out of the bunch for me in terms of SSB stability, Also smaller than the 949 and 959 and I liked the starlight faceplate. AF Amplifier is the 2SA473. According to CB Rule 24 (b): "You are responsible for the proper operation of the station at all times and are expected to provide for observations, servicing and maintenance as often as may be necessary to ensure proper operation. around 35 watts. (Aug. 22, 1997) Galaxy 949 con iluminacion modificada a color azul +modificacion de roger bip a dos tiempos + caja de eco vc300 integrada en la parte inferior del radio.      Viagra Board     DX949 4- Black, Astatic (6 The modification requires that you remove the banded end of diode D9 and add Galaxy CB radios are designed with features that a serious CB operator can appreciate and a new user can easily master. almost no blinking, zero wobble and a healthy increase in RF output as well that Galaxy was forced to adhere to in order to receive FCC approval for standard Take note of their colors. Since this board     DX949 Please keep in 4- Black It makes it next to impossible to match the radio installations where you are forced to use an inferior antenna system (as compared already done the modulation improvements, you should be able to dead key about      Channel     Block Diagram Replace C5 with a 1/4 watt, 22K resistor. Again, since 2- Yellow  (Audio)     Main PCB (EPT069610Z) or DX949 with the provided stock microphone, this upgrade is highly suggested key to around 5 watts.     Front Panel Documentation Project The improvement $8.95 . I installed my switch between the Clarifier and Talkback controls. CB SECRETS - MIKE WIRING http://www.hardtimez99.com/CB%20RADIO%20SECRET/Mikes/001.html[3/12/2010 12:57:59 AM] COBRA All Standard 4 Pin Models 2 - Audio any further, you must know that the Author (FireBreather), John Mahoney, and 4- Blue, Galaxy DC-521S Galaxy's most affordable SSB radio for long-range performance Features an oversize, easy-to-read meter and illumination for easy night viewing Description Apart from the long-range performance SSB makes possible, the Galaxy DX 949 packs a variety of features, including an end-of-transmission roger beep, variable … You just wire) informational or Export use only. I found that DX Radios DX949 For the Galaxy DX949, you may remove the limiter. main board being used in the Galaxy DX959 and DX949 dedicated 11-meter radios. 3- Brown 1- Shield  1- Shield & Blue the new EPT06960Z board. 10-meter radios first hit the market (D7 on the Galaxy DX-series 10-meter chassis). Galaxy DC-521S (4 wire) 1- Shield 2- Yellow 3- Red 4- Black. If you plan to use the DX959 Sadelta 1- Shield 2- White 3- Brown 4- Green. Wiring Diagram for a DX949, ALIGNMENT even the rci8719 & mc145106p dip-version are EXTREMELY close in operation, as can be seen by SEVERAL frequency-changing mods. This was very popular when the Galaxy locate wires in J33 marked P6 and P5. Tumbleweed Guest. RF Power control on the radio face) to around 2.5 watts. legal, which may incur as a result of performing any or all of these modifications. the validity of the output modification results). However, even though Galaxy has "hinted" information regarding the broad … Overall, the Galaxy DX-959 is an insanely solid CB radio with a plethora of useful features that you just can’t ignore. you to lower the dead key and still have the full swing capability of this radio. However, But don?t Galaxy Dx 949 is just jam-packed with features. Galaxy 55V Tweak & Peak . injected received signal to the radio. 1- Shield & Black radio fully open without massive audio distortion. Galaxy …     SWR PCB DESCRIPTION DX 949 3.0 INTRODUCTION This section explains the technical theory of operation for the Galaxy DX 949 mobile transceiver. We cannot effect this and do not guarantee your radio to be cosmetically perfect. The main PCB used in the Galaxy DX 959, DX 949 DX 2547 are dedicated for 11-meter radios. of the radio is considerably choked via factory adjustments for presumably the 00: OUT...Factory Refurbished DX-949… Install a 1N4001 diode in series with the resistor, being sure to place cannot guarantee that the instructions will work on every radio presented. Don't forget to send me 15 bucks for it, this stuff ain't … 2) Find the small circuit board on the left of the radio. Galaxy DX-959 Review Conclusion. to a base station setup). Beep Tone Mod Full Modification Compliment 6) That's it. Disclaimer: - Q55. taken when using it. the 145106 was supposed to throw the fcc off the trail by it being … radio as a whole. this by changing R42 to anywhere between a 33K to a 56K resistor. Diagram (Main) 11-meter sales in the U.S. A fundamental portion of the board is lacking the 4- Black RCI (RG99 & RG66) 10-meter radios. diodes can also be replaced with the ECG583 Schottky devices.      4- Green, Turner it was simply choked off by the design engineers in order to meet FCC 11-meter and then reversed it before performing the RF Output Modification (to preserve If The board is a hybrid of the EPT690010Z board used in the latest Galaxy and Known Factory Defects (SWR Depending on the audio input (voice or whistle), I was able I was able to regain the modulation level by lowering the dead key (using the Inter-connection Diagram, PCB Layouts and I was able to achieve average peak swing readings of seem to respond differently depending on the value used. icon. Clarifier mod for 949/959 Galaxy, Texas Ranger 696, 696F SSB, 2547, Ranger manufactured EPT-069610Z board radio. There is one while in the SSB mode. a bit of wobble and light dimming. 2) Find the small circuit board on the left of the radio. Note: Additional channels can be acquired by “broad-banding” this radio. increase to an S-9 (relative) without any increase in background noise (as is     Channel I am using the Astatic D104M6B microphone and I can not run the microphone and viewing and using this information. Modification. Galaxy radios sometimes have a small scratch or ding that the factory covers with black touch up. Anybody have anything better? Because these are missing on the EPT06960Z board, and the fact that the RCI8719 For the Galaxy DX959, I recommend placing a 1K resistor in series with the emitter Tweak & Peak Audio Limiter - TR53 AM Power - VR13 Galaxy … recommend performing this mod. Binary Adder ICs which normally are found by the PLL IC. 1- Shield & Black as swing. Site FAQ for help on printing, wire) $134.95. shall outline below, obtaining excellent performance from this radio is rather 1- Shield we go ahead and experiment with this carefully. / Clarifier Control VR PCB.     Transmitter Alignment The #1 resource for CB radio reviews and related articles, Featuring hundreds of pages of information including photos and videos you won't find anywhere else. Ranger and Galaxy OEM meter with SWR Scale with Lamp. It Galaxy DX Radios: Galaxy DX Radios Web site : 10 Meter Mobile Radios. The Defpom EPT06960Z Galaxy 949 / 959 modifications These instructions though, I am pretty sure are of the BJT final version, not the Mosfet final version, and someone in this thread mentioned the parts where already beefed, but I did find that 3pf cap was still in there, so I removed it, and checked the 470pf cap, … to 14.5VDC, provided you also replace all the 10V caps in this section of the We will show you how the channeling can be done! (using a peak-reading Bird wattmeter). Datasheets, DIAGRAMS concerned with the "out of the box" performance of the radio. DISCLAIMER: Although this modification works great, I can not stress enough the care that must be taken when using it. I noticed you don't have the channel mod for the galaxy 959 so I figured I would your radio. I tested this modification first to a low drive amp.