Read LG 42PT250-ZG (CHASSIS:PD13K) Service Manual online
Making
PDP TV
Repair Process-Reference data
1.Check connector was inserted properly
on Main board and RF emitter board.
2. Check whether appear voltage on multi meter
when operate RF emitter board.
※ Test Condition for case 3
→ Check Point: Pin 12
→ TV: power on status
→ Multi meter: Select DC 10V
→ TV: power on status
→ Multi meter: Select DC 10V
A28
D. General function defect
Check RF emitter operation
Symptom
A28
3D_L/R_SYNC
3D_RF_GPIO2
+3.3V
GND
3D_RF_RXD
3D_RF_TXD
3D_RFMODULE_RESET
3D_RFMODULE_DC
3D_RFMODULE_DD
3D_RFMODULE_DD
GND
3D_RF_GPIO0
3D_RF_GPIO1
3D_RF_GPIO1
RF emitter Board