Wrong electric circuit diagram of USB-modem interface board

Tankist

I have a TLV320AIC33EVM-PDK evaluation module, that includes an USB-MODEM INTERFACE board. I have downloaded from Internet datasheet for this board, but it have wrong an electric circuit diagram (for example, there is an U11 chip instead of Q1 and Q2 transistors). Where can I get a valid electric circuit diagram?

over 10 years ago

0 Don Dapkus over 10 years ago

TI__Guru**** 189399 points

Hi, Tankist,

It's a long story... Sorry about that.

Does this schematic match your board?

-d2

7674.00596158.pdf

0 Tankist over 10 years ago in reply to Don Dapkus

Expert 1690 points

Unfortunately, this scheme is the same of datasheet.
This is photo of my board:

As you can see there is an unknown U11 chip near J6 connector. But on the schematic diagram we can see Q1 and Q2 transistors. I don't recognize an U11 chip. If you know, you can tell me a type one.

0 Tankist over 10 years ago in reply to Tankist

Expert 1690 points

If it is someone interested, I have found the actual schematic diagram in document SLAA388A – July 2008 – Revised September 2008 (TLV320AIC3xEVM-PDK Series Troubleshooting Guide)

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Wrong electric circuit diagram of USB-modem interface board