Build Thread for TPA BIII + Ian Async I2S FIFO + OPC NTD1 + Salas SSLV - Page 11 - diyAudio
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Old 27th August 2012, 10:54 AM   #101
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Just to let you know that when I changed the XO frequency to 45.x 49.x on Ian's clocker, my es9023 subu board got shorted.

Diagnosis: the short came from the es9023 onboard 50mhz clock. Replaced the es9023 clock and replaced the reclcoker clock to 22.x 24.x and all OK now.

Not sure if this came from the high clock frequency but I think the max on Ian's board states 22.x 24.x

Note: the 45.x 49.x combo worked for about 10 seconds before the short was created.

tried test again and at about 9 seconds, the lights started to blink so I immediately unplugged. I then replaced with standard clocks and all OK again

Although I may be wrong
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Old 27th August 2012, 11:35 AM   #102
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Quote:
Originally Posted by necplusultra View Post
Just to let you know that when I changed the XO frequency to 45.x 49.x on Ian's clocker, my es9023 subu board got shorted.

Diagnosis: the short came from the es9023 onboard 50mhz clock. Replaced the es9023 clock and replaced the reclcoker clock to 22.x 24.x and all OK now.

Not sure if this came from the high clock frequency but I think the max on Ian's board states 22.x 24.x

Note: the 45.x 49.x combo worked for about 10 seconds before the short was created.

tried test again and at about 9 seconds, the lights started to blink so I immediately unplugged. I then replaced with standard clocks and all OK again

Although I may be wrong
Thanks necplusultra

Its great information. I power the BIII with only DVCC supply and the current start to raise from 2xmA to over 300mA after several seconds which is similar to what happened to your DAC. I didn't use Ian's clock board to drive the BIII, I only use Ian's adaptor with the original crystal on the adaptor.

Thanks a lot for the information.
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Old 27th August 2012, 12:43 PM   #103
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Quote:
Originally Posted by bigpandahk View Post
Thanks necplusultra

Its great information. I power the BIII with only DVCC supply and the current start to raise from 2xmA to over 300mA after several seconds which is similar to what happened to your DAC. I didn't use Ian's clock board to drive the BIII, I only use Ian's adaptor with the original crystal on the adaptor.

Thanks a lot for the information.
Please just check if there is any short on the BIII u.fl input adapter board. I noticed there is a power pin from the BIII input port. You can find more details from BIII user's manual about the input port.

Please run BIII at async mode first for your new configuration, then the sync mode. Just make sure all the section is in working condition.

I am running 45.XXXMHZ and 49.XXXMHZ at BIII sync mode with my FIFO for more than two months, didn't get any problem.

I'll try 90.xxx and 98.xxx MHZ on BIII in a couple of day.

Believe you can make it.

Ian
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Old 27th August 2012, 02:53 PM   #104
glt is offline glt  United States
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Quote:
Originally Posted by bigpandahk View Post
Thanks DQ828 and Ian, but I didn't make it

The BIII behaved OK when I tested it with the bench PSU. Then I put it back onto the legato and connected the FIFO. Before that I checked all the output of the SSLV. Then power up, within seconds, the LED on the tridents blinking. Then I knew the same thing happened again. DVCC shorted to GND.
Since there are only two ICs and one regulator on the BIII other than those passive components. The DVCC only connected to the ES9018. I can't think of any other source that kill the BIII and the only suspect is the legato. Will check tonight.

Already lost one third of a new BIII
That is really too bad. I feel your frustration. Hopefully the collective wisdom here can help you fix the problem

Quote:
Originally Posted by necplusultra View Post
Just to let you know that when I changed the XO frequency to 45.x 49.x on Ian's clocker, my es9023 subu board got shorted.

Diagnosis: the short came from the es9023 onboard 50mhz clock. Replaced the es9023 clock and replaced the reclcoker clock to 22.x 24.x and all OK now.

Not sure if this came from the high clock frequency but I think the max on Ian's board states 22.x 24.x

Note: the 45.x 49.x combo worked for about 10 seconds before the short was created.

tried test again and at about 9 seconds, the lights started to blink so I immediately unplugged. I then replaced with standard clocks and all OK again

Although I may be wrong
That is really strange. Using the ESS chip in asynch mode, does not use the master clock, so the bitclock, LRclock and DATA are still the same frequency regardless of the frequency of the clock in the FIFO board

Quote:
Originally Posted by iancanada View Post
Please just check if there is any short on the BIII u.fl input adapter board. I noticed there is a power pin from the BIII input port. You can find more details from BIII user's manual about the input port.

Please run BIII at async mode first for your new configuration, then the sync mode. Just make sure all the section is in working condition.

I am running 45.XXXMHZ and 49.XXXMHZ at BIII sync mode with my FIFO for more than two months, didn't get any problem.

I'll try 90.xxx and 98.xxx MHZ on BIII in a couple of day.

Believe you can make it.

Ian
Hi Ian, did you try running 45.XXXMHZ and 49.XXXMHZ in asynch? and "I'll try 90.xxx and 98.xxx MHZ on BIII in a couple of day." is that with your new board?
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Old 27th August 2012, 03:20 PM   #105
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Ian

I did not run the BIII in sync mode and tested it with everything disconnected (no u.fl adaptor). The BIII will overload all the tridents. Even the Crystek overload the XO trident. I have checked the legato and couldn't find anything that would kill the BIII. I have no idea how to trouble shoot it and may be it's time to let it RIP
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Old 27th August 2012, 03:23 PM   #106
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Hi glt

Thanks for your kind words. I thinks I need a new BIII to continue my project.
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Old 27th August 2012, 06:07 PM   #107
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Quote:
Originally Posted by glt View Post
Hi Ian, did you try running 45.XXXMHZ and 49.XXXMHZ in asynch? and "I'll try 90.xxx and 98.xxx MHZ on BIII in a couple of day." is that with your new board?
90.xxx and 98.xxx MHZ will be running from my new designed Si370 based clock board with 2048*Fs support.

What I mean the sync mode is feeding the MCLK from FIFO clock board to ESS9018 with local XO disconnected. I ran async mode (ASRC mode) only with local 100MHz CCHD XO . Maybe I can try 45.xxx and 49.xxx as local XO. But they may not be as good as the 100Mhz.

Regards

Ian
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Old 28th August 2012, 01:07 AM   #108
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Ian

I bought some good stuffs for your clock board, rubber ring and u.fl. jumper with silver plated RG178 cable. Good but very cheap.
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Old 28th August 2012, 01:23 AM   #109
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Quote:
Originally Posted by bigpandahk View Post
Ian

I bought some good stuffs for your clock board, rubber ring and u.fl. jumper with silver plated RG178 cable. Good but very cheap.
The O-rings looks nice. Are they silicon rubber?

You should say "less expensive"

Ian
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Old 28th August 2012, 01:34 AM   #110
DQ828 is offline DQ828  Australia
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bigpandahk

I hope you don't mind if I ask you a question re the screen you are using & I have purchased. I want to display a Bitmap/Converted JPG but I am having trouble getting it to display.

Once I convert the Jpg, where do I put the file.

Can I display a bitmap file without conversion.

Assume I use this code to reference the file extern "unsigned int File name[????] what goes in the brackets?

How do I call the file into the code ie drawBitmap(file name)

Does the bit map need to be a certian Bit Depth?
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