Mmuetst Posted October 9, 2022 Posted October 9, 2022 Hello forum, I’am looking for a schema or service manual for The Cayin Amp Venus VP-100i (or someone who did some backwards enginering).
stereo coffee Posted October 10, 2022 Posted October 10, 2022 There are quite a few Cayin models at hiFi Engine https://www.hifiengine.com/manual_library/cayin.shtml where you can place a request for a manual You might though see the Cayin contact details https://en.cayin.cn/contact/11/28.html and request the information you require at their website.
Mmuetst Posted October 10, 2022 Author Posted October 10, 2022 9 hours ago, stereo coffee said: There are quite a few Cayin models at hiFi Engine https://www.hifiengine.com/manual_library/cayin.shtml where you can place a request for a manual You might though see the Cayin contact details https://en.cayin.cn/contact/11/28.html and request the information you require at their website. Cayin does not give there service manuals away and hifiengine does not have the model I own on there site.
stereo coffee Posted October 10, 2022 Posted October 10, 2022 2 hours ago, Mmuetst said: Cayin does not give there service manuals away and hifiengine does not have the model I own on there site. You could post some images here, and explain the issue you have. Recommendations from other members for service /repair should be able to help you. It's worth contacting Cayin anyway, your model might have a schematic that they can supply, ie if its an earlier model, or your issue is in one individual section of the schematic. There is also a lot of general knowledge on the forum.
Mmuetst Posted October 13, 2022 Author Posted October 13, 2022 On 11/10/2022 at 1:16 AM, stereo coffee said: You could post some images here, and explain the issue you have. Recommendations from other members for service /repair should be able to help you. It's worth contacting Cayin anyway, your model might have a schematic that they can supply, ie if its an earlier model, or your issue is in one individual section of the schematic. There is also a lot of general knowledge on the forum. Hello Stereo coffee, thanks for your answer. At this moment there are no problems with the amplifier, I just want to know what the schematic of this amplifier looks like. I Also want to check if the amplifier is original (I bought it second hand). I send an e-mail to Cayin (lets see whether they answer).
Mmuetst Posted October 27, 2022 Author Posted October 27, 2022 I know now that the schema of the amp is not original anymore. The company Hay-End in the Netherlands modified The pre-amp of this Cayin. I draw the schema. He put two long tailed pairs one after the other. In the first long tailed pair he put a DC offset adjustment. I must check if all the values of the resistors are correct.
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