LG 50PT350 Service Manual page 73

Repair Process-Reference data
PDP TV
Symptom
RF emitter Board
D. General function defect
Check RF emitter operation
A28
Making
+3.3V
GND
3D_RF_RXD
3D_RF_TXD
3D_RFMODULE_RESET
3D_RFMODULE_DC
3D_RFMODULE_DD
GND
3D_RF_GPIO0
3D_RF_GPIO1
3D_RF_GPIO2
3D_L/R_SYNC
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
전자 - 6-2
2010. 11. 16
A28
ⓒ LG Electronics. Inc.2010