DOWNLOAD LG 47LE8500 (CHASSIS:LA02E) Service Manual ↓ Size: 4.98 MB | Pages: 88 in PDF or view online for FREE

Model
47LE8500 (CHASSIS:LA02E)
Pages
88
Size
4.98 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
47le8500-chassis-la02e.pdf
Date
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LG 47LE8500 (CHASSIS:LA02E) Service Manual ▷ View online

Check RF Cable & Signal
Check Tuner 3.3V Power
L701
Replace L701
Check Tuner 1.2V Power 
IC700  2pin : 1.26V
Check IF_P/N Signal
TU700 17/18 Pin
Replace IC700.
Check Tuner 5V Power
L700
Check IC8003
Check FRC and BCM LVDS Output
Replace Mstar(IC9001) or BCM( IC900)
or Main Board.
ok
ok
ok
ok
ok
No
No
No
No
No
Replace IC8003
No
Bad Tuner. Replace Tuner.
Replace L8007
ok
2. Trouble shooting - No video (Digital TV video)
3. Trouble shooting - No video (Analog TV video)
Check RF Cable & Signal
Check Tuner 3.3V Power
L701
Replace L701
Check Tuner 1.2V Power 
IC700   2 pin : 1.2V
Check CVBS Signal
TU700  11 Pin
Replace IC700.
Check Tuner 5V Power
L700
Check IC8003
ok
ok
ok
ok
ok
No
No
No
No
No
Replace IC8003
No
Bad Tuner. Replace Tuner.
Replace  L8007
ok
Check FRC and BCM LVDS Output
Replace Mstar (IC9001) 
or BCM( IC900) or Main Board.
4. Trouble shooting - No video (AV)
Check input signal format.
Is it supported?
Check AV Cable for damage
for damage or open conductor
Check JK100 , JK8600 CVBS Signal Line
ƒ Rear AV : R105, R904 
ƒ Side AV : R919, R8603
ok
ok
ok
No
Replace Jack
ok
Check CVBS_DET Signal
• Rear AV Detect : R113
• Side AV Detect : R8608
Replace R113 or R8608
No
No
Check FRC and BCM LVDS Output
Replace LGE7378A(IC9001) or LGE3549XS( IC900)
or Main Board.
Check input signal format.
Is it supported?
Check Component Cable
for damage or open conductor.
Check JK100
Y/PB/PR signal Line
ok
ok
ok
No
Replace Jack
Check COMP_DET Signal
Replace R119 or R129
No
ok
No
Check FRC and BCM LVDS Output
Replace Mstar(IC9001) or BCM( IC900)
or Main Board.
5. Trouble shooting - No video (Component)
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