Toshiba 19HLV87 Service Manual page 26

No Picture / LED is blue
Check if backlight is normal
Yes
Check if connector
of CON10 is normal
Yes
Check if signal of
LVDS is normal
Yes
Replace LCD panel
No TV Picture
Check if voltage
of U38 pin17 is 5V
Yes
Replace U38 HF
TROUBLESHOOTING GUIDE
No
Check if voltage of HV
power PCB T1,T2 is normal
Yes
Replace HV power PCB
No
No
No
No
Check the power and
control signal of CON2
in main PCB is normal
Replace CON10
Replace Main PCB
Replace Main PCB
E-3
No
Replace Main PCB
Yes