CARVER TFM15-CB Meter lamps

[phatterplatter]

Hello Doers!!


Carver neglected to say what bulbs they used on the power meters for the Model TFM15CB

Would anyone venture a guess ??...Preferably a RIGHT guess?

Thanks from Vietmont

 

[elnaldo]

The bulbs are in series, check the supply voltage from the connector at the PS board.

Edited: The schematic shows 13.6V from a 14V rail, with those 0.4V dropped at one 10ohm resistor. that means 40mA flowing, so my guess is some 8V 40mA bulbs would be right.

I have one spare from a repair, I can measure the mA drawn by the bulb if you want.

I replaced them with LED and dropping resistors.

 

[phatterplatter]

Thanks very much for your help