Read LG 32LM3400 / 32LM340Y / 32LM3410 (CHASSIS:LB21C) Service Manual online
- 16 -
Check RF Cable & Signal
Check Tuner 3.3V Power
L3703
Replace L3703
Check Tuner 1.8V Power
IC3703 2 pin : 1.8V
Check IF_P/N Signal
TU3700 10/11 Pin
Replace IC3703
Check Mstar LVDS Output
Replace Mstar(IC101) or Main Board
.
ok
ok
ok
ok
No
No
No
No
Bad Tuner. Replace Tuner
.
2. Digital TV Video
3. Analog TV Video
Check RF Cable & Signal
Check Tuner 3.3V Power
L3703
Replace L3703
Check Tuner 1.8V Power
IC3703 2 pin : 1.8V
Replace IC3703 .
Check Mstar LVDS Output
Replace Mstar(IC101) or Main Board
.
ok
ok
ok
No
No
No
Check CVBS Signal
TU3700 8 Pin
ok
No
Bad Tuner. Replace Tuner
.
Click on the first or last page to see other 32LM3400 / 32LM340Y / 32LM3410 (CHASSIS:LB21C) service manuals if exist.