General Please note this service information for your service.
Model LC-30HV2E, LC-30HV2U, LC-30HV2M, LC-30HV4U
Phenomenon No power (LCD power unit failure)
LCD power unit: RDENCA009WJ**
Cause Damage of some components (Q5, components on the peripheral circuit of Q5/Q1) caused
by solder crack on 5025 type chip resistor
Servicing In this case, please take the following steps.
1. Add solder to both ends of the following resistors (9 pcs.):
R1, R13, R14, R20, R29, R30, R36, R58, R96
2. Replace the following components with new one (22 pcs.):
F1, R6, R7, R11, Q1, Q5, Q6, Q13, Q14, D3, D4, IC1,
R27, Q9, Q10, D8, D9,
R8, R9, R10, R97, Q2