Panasonic TNPA5330 SC (Y-Sustain) Repair Kit
Model No: TXP42G30, TXP42GT30, TXP42VT30, TXP42ST30
Fault symptoms: LED flashing (error code) 4, 5 or 7 times.
Important: If there is a short circuit across C842 on the Y-Sustain board this kit will not work.
Reason: Failure of components on SC board (Y-Sustain) TNPA5330 Versions BH/BG only
Remedy: Check and replace all components supplied in this kit D401, D421, Q401, Q402, Q403, Q421, Q422, Q423, Q531, IC502