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What does it mean when it reads PLL LOCK? - BEL 950 Radar Detector

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Alinco dj 195


flashing display means that the pll is out of lock, the radio needs to be serviced

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Flashing display ft 840


Radio needs service, flashing display means the PLL is out of lock

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My hr2600 shows error 3 when it is keyed up and does not transmit


0 = Transmitter Timeout timer has timed-out
1 = Transmit Frequency is lower than TX Lockout Lower Limit
2 = Transmit Frequency is greater than TX Lockout Higher Limit
3 = Phase-locked-loop (PLL) won't lock at this transmit frequency
4 = PLL is intermittently coming out of lock during transmit
*If your radio displays error 3 or 4, don't keep trying to transmit on this frequency. The cause of the problem could be low power supply voltage to the radio or the radio's VCO loop needs adjustment. Refer to a qualified technician for service. Contact the installer of the chip first. If, however, you installed the chip yourself, contact a qualified technician for service.

Sep 24, 2013 | Magnum DeltaForce CB Radio

1 Answer

Canon clc3900 error e013-0002


Hi
In most cases that means that you need to clean/ replace waste toner container, but in worst case scenario:
E013
Cause • Waste toner feeding motor (faulty)
• Waste toner feeding screw (rotation fault)
• DC controller PCB (faulty)
Description
0001 The rotation speed of the waste toner feeding motor has deviated
from a specific value for 0.1 sec or more (PLL signal ‘0’).
0002 The waste toner lock detection switch (SW4) has been pressed for
0.1 sec or more

Aug 28, 2010 | Canon CLC 5100 Copier

1 Answer

What is a digital pll fm modulator


Hello towturtle,

An FM modulator is a little box that plugs into your receiver antenna connection. It sends a low-level signal directly to the radio which you then tune in on the FM band just like a radio station. They're handy for older receivers that do not have AUX, USB, or iPod inputs. You plug your device into the modulator and it plays through the receiver. The "PLL" just means that the tuning uses a technology called "phased lock loop" which keeps the frequency from drifting.

Hope this helps.

Oct 14, 2009 | Car Audio & Video

1 Answer

Reparing 29 LTD


Depending on what you mean by "off frequency". The 29LTD, like all other 40-ch radios is PLL controlled, referenced to a 10.240 Mhz crystal. The channels are all mathematically synthesized by a higher frequency VCO and the PLL controller chip. If the PLL detects the frequency is not "locked on" it shuts down transmission. If the frequencies are there, but "out of band" then I suspect that there has been modifications done to the radio to make it so. If you want the radio back to stock, undo the mods. If the radio is out of band, and no mods present, then there is a problem with the PLL. Sometimes that may stem from someone getting into the radio and "tightening all the screws". (the shops just LOVE those!)
If the channels are in band but seem a little off, there is some adjustment in the form of a small trimmer capacitor near the crystal. But to adjust it properly, you should employ a frequency counter.

Jan 21, 2009 | Cobra 29 LTD CB Radio

1 Answer

IC-R8500--Display is flashing continuously--no receive


First check the tape cables from Conv Unit and Rf unit to main unit.
Second find if the PLL ICs lock (MC145190) check voltage at pin 2 (LO) ~4,5Vdc in PLL Unit.
Third find If the (PQ30RV31) voltage ADJ in main works.

Nov 01, 2007 | Icom IC-R8500 Base Scanner

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