TH-50PX75
TH-50PX77
PCB Designation: SC & SS Board
Part #: TXNSC1HMTUJ & TXNSS1HMTUJS
Symptom: Buzzing noise can be heard either from SC and/or SS board
Cause: Vibration of inductance coils
Remedy: Change inductance coil to new part #. Please see details below.
SC board (TXNSC1HMTUJ):
• Change L6463 - L6466 & L6483 - L6486 (total of 8 inductance coils) to new part #.
SS Board (TXNSS1HMTUJS):
• Change L6061 - L6064 & L6081- L6484 (total of 8 inductance coils) to new part #.
Appearance of the inductance coil :
• It is very easy to identify the inductance coils because the head of part is blue.
