YesOk, good, finally. Are the two transistors from the DC-DC board, still removed?
Yes 1,9vIs the voltage between the red wire and ground, still unusually low?
YesOk, good, finally. Are the two transistors from the DC-DC board, still removed?
Yes 1,9vIs the voltage between the red wire and ground, still unusually low?
2,34v btw 1 & 2 / 2,10v btw 1 & 3... andWhat voltage are you measuring at XLR pins 2 & 3, when you're getting 1.9v on that red wire?
Ok the blue ones : will do tomorrow morning (without resolding the Tr I presume...)Remove C1 and C2 from the audio board, and remeasure voltages (tomorrow?).
the ouput transformer because it's the only component between the XLR (wich porvides 44v when disconnected) and the 2 boards (pre & DC/DC)
Hi micolas, wlcome backI apologize for interrupting you
With the microphone unpowered, with the secondary of the transformer still soldered to the board, measure the ohmic resistance between the ends of the resistors
R4 and R3 (the ends towards the cylindrical shielding of the transformer).
It must measure a minimum of 43.9 ohms.
you're luckyHi micolas, wlcome backthere is 48,4Ω between R3 & R4...
I will (here is a pict where you can read the values)you're lucky
the transformer secondary is good
De-solder a single end of the resistors
R4 R2 R1 R3
and measure them
and the ohmic resistance of inductors L1 and L2 is 5.2 ohm (do not need to be unsoldered)
measure equal?I will (here is a pict where you can read the values)
L1 & L2 (not unsoldered) are 3,5Ω
Yepmeasure equal?
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