Question about Galaxy Radios DX-99V 40-Channels Base CB Radio
This also happens when i turn it on some times but i don't even have to touch it and it will start up.
The voltage regulator in the freq.counter board is bed and probably a diode common problem that need to go to a professional not a DIY easy job
Posted on Feb 28, 2013
SOURCE: galaxy dx 99v
SOUNDS LIKE TO ME.. IT IS THE IC CHIP THAT DRIVES THE LED DISPLAY.YOU MY HAVE A COLD SOLDER JOINT AT THE CHIP........I WOULD OPEN IT UP TRACE THE RIBBON CABLE FROM....( MIGHT EVEN BE A BAD CONNECTION ON THE RIBBON CABLE..MOVE THE RIBBON CABLE AROUND FOR A BAD CONNECTION)TRACE IT TO THE CHIP WITH POWER ON BE CAREFUL OF AC VOLTAGE IN THE UNIT PROBE THE PINS OF THE CHIP WITH A PIECE OF WOOD OR PLASTIC WHILE LOOKING AT THE DISPLAY IT'S ONE OR THE OTHER GET A SOLDERING IRON AND FIX THE CONN......IT COULD EVEN BE THE LAST OR FIRST WIRE ON THE CABLE WHICH WOULD BE THE GROUND.....GOOD LUCK
Posted on Feb 21, 2009
SOURCE: how to adjust frequency on transmit??? Galaxy
hELLO THERE
hERE IS SOME MODIFICATIONS FOR THIS RADIO
Galaxy Mods
DX 2527 -
VR 1....AM/FM S-Meter, VR 2....SSB S-Meter, VR 3....SSB Squelch Range,
VR 4....AM/FM Squelch Range, VR 7....SSB Carrier Balance, VR 8....RF
Meter, VR11...Driver Bias, VR12...SSB ALC, VR13...Hi Power, VR14...AMC,
VR15...AM Low Power, VR16...SSB Low Power, VC 1....10.240, VC
2....10.240.
DX 2517- VR 1....AM/FM S-Meter, VR 2....SSB S-Meter, VR 3....SSB
Squelch Range, VR 4....AM/FM Squelch Range, VR 5....FM Deviation, VR
6....SSB Carrier Balance, VR 7....TX Offset, VR 8....CW Beep Level, VR
9....RF Meter, VR10...Final Bias, VR11...Final Bias, VR12...Driver
Bias, VR13...SSB ALC, VR14...AM/FM High Power, VR15...AM Modulation
Meter, VR16...AM Modulation, VR17...SSB Power, VR18...AM/FM Low Power,
VR601..13.8 Volt Power Supply.
DX 22B- VR 1....AM/FM S-Meter, VR 2....SSB S-Meter, VR 3....SSB
Squelch Range, VR 4....AM/FM Squelch Range, VR 7....SSB Carrier
Balance, VR 8....RF Meter, VR11...Driver Bias, VR12...SSB ALC,
VR13...High Power, VR14...AMC, VR15...AM Low Power, VR16...SSB Low
Power, VR21...TX Offset, VC 1....10.240, VC 2....10.240.
DX 11B- VR 1....AM/FM S-Meter, VR 2....SSB/CW S-Meter, VR
3....SSB Squelch Range, VR 4....AM/FM Squelch Range, VR 5.....FM
Deviation, VR 7....SSB Carrier Balance, VR 8....RF Meter, VR10...Final
Bias, VR11...Driver Bias, VR12...SSB ALC, VR13...AM/FM High Power,
VR14...AM Modulation, VR16...CW Tone Level, VR20...Final Bias,
VR21...TX Offset, VR601..13.8 Volt Power Supply, VR803..AM/FM Low
Power.
DX 77HML, DX 88HL, and DX 99V- VR 1....AM/FM S-Meter, VR
2....SSB S-Meter, VR 3....SSB Squelch Range, VR 4....AM/FM Squelch
Range, VR 5.....FM Deviation, VR 7....SSB Carrier Balance, VR 8....RF
Meter, VR10...Final Bias, VR11...Driver Bias, VR12...SSB ALC,
VR13...AM/FM High Power, VR14...AM Modulation, VR16...AM/FM Low Power,
VR20...Final Bias, VR21...TX Offset.
Unmarked VR in R189..AM/FM Medium Power for DX 77HML only.
DX 33HML, DX 44V, DX 55V, DX 66V, and DX 73V- VR 1....AM/FM
S-Meter, VR 4....AM/FM Squelch Range, VR 5.....FM Deviation, VR 8....RF
Meter, VR12...Low Power AM Modulation, VR13...AM/FM High Power,
VR14...High Power AM Modulation, VR16...AM/FM Low Power.
Unmarked VR in R188..AM/FM Medium Power (DX 33HML only)
Unmarked VR in C139..Med Power AM modulation (DX 33HML only)
DX 949,DX 959- VR 1....AM S-Meter, VR 2....SSB S-Meter, VR
3....SSB Squelch Range, VR 4....AM Squelch Range, VR 6.....SSB Carrier
Balance, VR 7....TX Offset, VR 9....RF Meter, VR10...Final Bias,
VR12...Driver Bias, VR13...SSB ALC, VR14...AM High Power, VR15...AM
Modulation Meter, VR16...AM Modulation, VR17...SSB Power, VR18...AM Low
Power, VC1....10.240.
DX 2517 and DX 2527-
Symptom:Buzzing or motorboating sound in either the transmit or receive.
Problem: TR602 is oscillating
Cure: Replace C602 with a .01uF cap {Cap is located in the power supply board}.
RG 66,99,DX2517 Replace Q54 2SB754 60watt 7A with a higher power
2SB817 100 Watt 12A. Derating of this component will cool operation,
provide better voltage stability,decrease wobble, allow voltage
increase to 14.5 volts comfortably. (replace 10 volt caps in this
section of the radio to a minimum of 16 volts before increasing supply
voltage to this level)and provide faster swing rise time, Replace Q37
2SA473 to a 2SA1012-0 or ECG153 this will improve the clarity and
volume of the modulation and it will also run a lot cooler.
Posted on Nov 14, 2009
SOURCE: Galaxy 99v off Frequency
it is either a bad soilder on your crystal or your crystal is going bad
Posted on Dec 16, 2009
SOURCE: My galaxy dx 88 hl makes a laoud noise when you
my galaxy 88 cb makes a popping noise through the speaker when I key up how do I solve this problem?
Posted on Oct 21, 2010
SOURCE: galaxy dx 66v off frequency
gal 66 check the 10kHz switch. or you may have a bad cap, or crystal,.. the 33hp2 check the am regulator transistor... is bad or shorted.
Posted on Jan 24, 2011
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