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Re: Q1a decoders shut down
Banjotrain
My problem was I was using one 8 ohm speaker, whereas these decoders should use two 8 ohms in series which is 16 ohms.
When I added the second speaker, the problem went away. Erik
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Re: Q1a decoders shut down
Ray Di Ciacca
I have the same problem. Can you tell me how to fix it. thanks
Ray
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Decoder shutdown
Ray Di Ciacca
I have the same problem. can you tell me how to fix it
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Technical question for QSI
I've got an O scale C424 and a QSI Titan FX-DO decoder to be mated with it. I only recently noticed that the new decoder came with the wrong sound file. The prime move is the ALCo 251 but the sound file is actually an ALCo 244 engine. I checked the available files for an ALCo 251 sound file, suitable for the O scale decoder, but found none.
The HO scale ALCo 251 sound file has been available for at least 6 years. Why is it not yet available in O scale? What would happen if I installed the HO scale ALCo 251 Titan sound file into the O scale decoder? Best regards, KJ
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Re: Q1a decoders shut down
Okay, didn’t realize they were on a tester. 😁
toggle quoted messageShow quoted text
Bob
On Feb 27, 2021, at 6:37 AM, Banjotrain via groups.io <bennettedm@...> wrote:
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Re: Q1a decoders shut down
Banjotrain
I was testing them on a decoder tester and had been testing some Titans.
When I tested the Q1a's I forgot that they needed a 16 ohm speaker load. My mate, Marcus, reminded me. So I hooked up 2 speakers in series and all the decoders tested OK. Thanks for your input. Erik
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Re: Q1a decoders shut down
Erik,
Bob
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Q1a decoders shut down
Banjotrain
I have several Q1a decoders that sound and run perfectly for a little while then shut down abruptly - both sound and motion.
Then after a few seconds, continue normally for a while then shut down again with the cycle repeating ad infinitum. I presume it is a hardware heat detection problem. Does anyone know how to fix it? Thanks Erik
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Re: Pinout of early decoder
Banjotrain
Thanks Ed,
Actually I found what I was looking for: The response by M R (didn't leave his name) to the topic "Q1 decoders" on the next page. So thanks to M R, Bob Cochran and you, who prompted me to look for it. BTW, I meant a V7 decoder not Rev 7, and for info, Paint opens a .part file. Erik Bennett
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Re: Pinout of early decoder
Ed.Sauers
Banjo Trains, Can you upload a photo of the decoder, also it would be nice if you include your name so we know how to address our replies. Ed Sauers On 2/26/2021 6:30 AM, Banjotrain wrote:
Can anyone tell me the pinout of a Rev 7 decoder, wider and shorter than the normal one.
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Pinout of early decoder
Banjotrain
Can anyone tell me the pinout of a Rev 7 decoder, wider and shorter than the normal one.
It has 2 caps mounted inboard and a chip labeled U28B (C) 2005. It has the 2-pin speaker and track sockets labeled, but there is a 4-pin socket next to the chip and an 8-pin socket at the opposite end. Which is the motor, power, headlight & rear-light, etc? Thank you.
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Re: Quantum programmer not functioning
Greg Elmassian
Joo,
Let's start at the beginning... Run the quantum programmer software.... then on the following page, follow the instructions: Firmware version/upgrading https://elmassian.com/index.php/dcc/specific-manufacturers/qsi-equipment/qsi-programmer-hw-a-sw This testing will verify:
Let's start by verifying the basics Greg
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Re: Quantum programmer not functioning
Joó Ferenc
Greg, The loco works fine on regular DCC throttle. When using CV Manager, there is sound so cables are good. But any further action such as switching on a function or using a function button for sound brings up the error codes. When I try to retrieve loco info with Quantum Upgrade, I get an error message, too. The CV Manager is version 3.1.0.7 from 2016. Quantum Upgrade is version 3.1.0.0. How do you know what firmware is on the programmer? Looks to me like the Programmer has a hardware fault. If I had a wiring diagram for the Programmer, a guy here could check which component is bust, Üdvözlettel, Best regards, MfG, Ferenc Joó Correspondent for Hungary TREU - Today's Railways Europe IRJ - International Railway Journal GSM: +36204141621 NOHAB Apartment 8263 Badacsonytördemic Debreczenyi u. 9. / HUNGARY "The holiday apartment on Lake Balaton with its own garden railway!" Greg Elmassian <greg@...> ezt írta (időpont: 2021. jan. 26., K, 17:55):
That looks like an error from the Silicon labs driver.
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Re: Quantum programmer not functioning
Joó Ferenc
Greg, Yes, I was using the Quantum CV Manager software. Now you have got me lost. I thought you meant not to use the cab (driving) function in CV Manager with G scale locos. Is there any other way to drive them via the Quantum Programmer? Or was that not what you were referring to? Probably I best get a new Programmer. I shouldn't have sold my second one... Üdvözlettel / Best regards / MfG, Joó Ferenc / Ferenc Joó NOHAB Apartman Badacsonytördemic, Hungary http://nohabapartman.hu GSM: +36 20 4141 621 Sent from Samsung Galaxy A3 (2017) phone Greg Elmassian <greg@...> ezt írta (időpont: 2021. febr. 17., Sze 6:31):
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Re: Quantum programmer not functioning
I missed your reply, somehow not all messages were displaying...
So, it can be easy to exceed the power output of the QSI programmer when trying to run motor, not usually lights. You can burn up the resistor, the output transistor or the chip... have seen all 3... I was assuming you were using the QSI CVManager software. Greg
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Re: Quantum programmer not functioning
Joó Ferenc
Greg, I did say I get the error message when trying to power up the loco or turn on lights. So no, the Programmer can not power the Titans, but thanks for the hint. What component might be damaged if I did use the Programmer to run the loco before, please? Thank you. Üdvözlettel / Best regards / MfG, Joó Ferenc / Ferenc Joó NOHAB Apartman Badacsonytördemic, Hungary http://nohabapartman.hu GSM: +36 20 4141 621 Sent from Samsung Galaxy A3 (2017) phone Greg Elmassian <greg@...> ezt írta (időpont: 2021. febr. 17., Sze 0:41):
So, the quantum programmer can power the Titans in ops mode, and you can safely play the sounds.
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Re: Quantum programmer not functioning
Joó Ferenc
Thanks but that's what I do and always have done... Üdvözlettel / Best regards / MfG, Joó Ferenc / Ferenc Joó NOHAB Apartman Badacsonytördemic, Hungary http://nohabapartman.hu GSM: +36 20 4141 621 Sent from Samsung Galaxy A3 (2017) phone kelly dorf <kelly.dorf@...> ezt írta (időpont: 2021. febr. 17., Sze 2:43):
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Re: Quantum programmer not functioning
kelly dorf
Use a program track! One loco at a time. Kelly
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Re: Quantum programmer not functioning
Greg Elmassian
So, the quantum programmer can power the Titans in ops mode, and you can safely play the sounds.
Running the loco is NOT safe, and often you burn up the programmer's output if you draw too much current. I know G scale locos can do this, don't ask me how I know! Resist the impulse to run your locos from the programmer, put it on the track and run your regular DCC system. Greg
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Re: Multiple LEDs on FX-DO
peteski7
Joó,
toggle quoted messageShow quoted text
That dual-diode circuit I attached is simply the positive half of a bridge rectifier. Since you only need positive voltage for as the common for function to work (negative is provided through the decoder), the negative half of the bridge rectifier is not needed. I model in N scale, so I need to find smallest possible solutions. A dual diode is smaller than a bridge rectifier. Actually this dual-diode common-positive circuit is used by many manufacturers for headlight power on factory installed light boards that include a 6-pin decoder plug (since 6-pins do not include the "blue" common positive output). Peteski
On Mon, Feb 15, 2021 at 02:25 AM, Joó Ferenc wrote:
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