Read LG 50PZ570G-ZB / 50PZ570S-ZB / 50PZ575S-ZB (CHASSIS:PD12C) Service Manual online
Control Board
Power Board
Y-Sus Board
Z-Sus Board
Main Board
Making
Revision
PDP TV
Symptom
D. General function defect
Repair Process-Reference data
1.Check connector was inserted properly
on Main board and IR board.
2. Check +3.3V
ST
Voltage at Pin10
3. Check whether appear voltage on multi meter
when operate remote control.
※ Test Condition for case 3
→ Check Point: Pin 1( IR)
→ TV: power on status
→ Multi meter: Select DC 10V
→ TV: power on status
→ Multi meter: Select DC 10V
▣ Checking method
Check Remote control IR operation
IR/KEY Board for XXPZ7/90XX
IR Board
A26
A26
-
LED_Power_On
TOUCH_Ver_CHECK
BLUE_LED_ON
IR
GND
KEY1
KEY2
KEY2
LED-RED
GND
SCL
SDA
+3.3V_ST
+3.3V_Normal/
+5V_MULTI
3.3V Multi
-
2010. 12 . 24
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