B's tv repair


Magnavox 19MF337B

Symptom:

Flickering picture and loud audible noise from TV

maybe be intermittent start.

Repair:

Replace bad electrolytic capacitors on SMPS board.

Locations C12, C117 and C118, 1000uF, 16V and  C175, 470uF, 16v

Magnavox 37MF321D/37

Symptom:

No power

Repair:

Replaced bad electrolytic capacitors on SMPS board.

Two 2200uF, 50V and two 1000uF, 50V

Symptom:

Standby/power LED lights but TV does not turn on.

Repair:

Replaced bad electrolytic capacitors on SMPS board. Locations C2079 and C2080 both were 1200uF, 35V.

Magnavox 32MF338B/F7

Symptom:

Back lights flickering.

Repair:

Found D19940 shorted and replaced with an NTE506

Philips 37MF331D/37

Symptom:

No power

Repair:

Replaced one 1200uF, 35V and one 2200uF, 25V electrolytic capacitor on SMPS board