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FAQ Need schematics for x-108G (2 Viewers)

fstkmaro

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Hello, I am happy to have found this forum. I just recently purchased a 108 indoor version. It seems to me that this is a typical 32bit processor based radio, probably a STM32 type of processor. I was wondering if there were any schematics published for this radio. The reason I want to find out is to explore the possibility to replace the stock display or find a way to enhance its brightness. It is very dim as it is and can benefit from a little more light on it.
I find the radio performs a bit well however I noticed some type of RF or TX feedback on the radio. I read about poor internal grounding which I will check to see if it could be corrected.
I own several other radios such as the 817ND, LD-5 and ELAD FDM-DUO, I purchased this one more as a rugged alternative to the other radios I own. The receive appears to be fine with this radio.
Anyways, thanks for letting me in and I will appreciate any help in finding the schematics for it.

73
 

DO7PSL

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DO7PSL
hi fstkmaro,

thx for your first post.

I unfortunately have not found any schematics either, not even from the xiegu-support. sorry i was not able to help you at the moment. if i cross by with an appropriate schematics i will post it here under the resource-node. please check the forum from time to time
 

SP2ONG

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SP2ONG
I have found digram of X108G. You can find in attachents

73 Waldek
 

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  • _X108G_BaseBD_V1.41.pdf
    936,1 KB · Aufrufe: 90
  • _X108G-SSIGBD-V1.41.pdf
    1,6 MB · Aufrufe: 98

fstkmaro

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Thank you DO7PSL and SP2ONG for the help on this. I will review the files, there could be a chance to add an external display. 73 de WA1JIM
 

eysum

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wa3ylc
This schematic is very useful but it appears to be not 100% complete. I own a dead X-108G which I am troubleshooting. The schematic for local oscillator for the receiver and transmitter mixer and BFO oscillator is missing. There is a tiny plug-in board (which contains the all the oscillators and associated on-board voltage regulators) attached to the small signal board. On my X-108G the oscillators are not functioning.

Perhaps a more complete schematic will show up.
 

Narendra

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This schematic is block diagram, not detailed, found in service manual
 

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