Marco,

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A1?: PIN 9 ?U9 ?(-1dB)

A2?: PIN 6 ?U9? (-2dB)

A3?: PIN 13 U10 (-4dB)

A4?: PIN 9 ?U10 (-8dB)

A5?: PIN 2 ?U10 (-16dB)

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G1?: PIN 12 U9? (+10dB)

G2?: PIN 5 ?U10 (+20dB)

G3?: PIN 3 ?U9? (+20dB)

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You have 34dB of gain between the display and the AUX IF output, and I have 24dB.

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It's hard to conclude without knowing which attenuators and amps are activated in A12.

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Yves

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