Dear knc1, thank you for your reply!
Attached picture to my previous message is a part of the picture that i found in this thread. My kindle pcb looks completely the same. To this message i've attached photo of my PCB - you can see tracks of my activities there.
Few weeks ago my PC stopped to recognize my kindle, meanwhile it charging w/o any problems. After short investigations i found that 2 middle pins (D- D+) of usb jack lost connection with pcb. So i decided to soldering them back. Suddenly there was an accident that destroyed part of the chip (body of that chip were badly damaged) under U1102 sign. Now i'm looking for that chip to replace.
Tomorrow i will check serial number of the kindle to find out model name.
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