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Problem - Console

Metering is at 80%, no signal

Description

We go to Main I-O Channel D1_Connector.pdf. I.e. the main board of the audio array. We check whether voltage is coming in and voltage is going out. We check U73 and U74. We measure the following with the audio array in a healthy state: U73: 16.6 V 17.8 V 18.2 V U74: -16.8 V -18.6 V -18.2 V We measure the following in the installed state with a broken audio array: U73: 3 V 18.2 V U74: 0 V -18.6 V 0 V -> U73 and U74 are broken!

Photo

Video

Pdf

Pdf 1