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Repair Process-Reference data
PDP TV
Symptom
RF emitter Board
Copyright © 2011 LG Electronics Inc. All rights reserved.
Only for training and service purposes
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
A28
LGE Internal Use Only
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