Trouble Shooting - No Power - Samsung UD6400 Training Manual

Trouble Shooting - No Power

Power indicator LED is on?
YES
Check the backlight on,
when 20p cable unconnected ?
YES
Check 'Stand-By 5V' ? No
- BD203 : A5V
YES
Check 'Power input of Main Ass'y' ?
- BD206 : B18VS
- BD207/208/209 : B13V
- BD201 : B5V
YES
Check 'Power IC output of Main Ass'y' ?
L202 : B3.3V / L203 : B1.2V
L204 : B1.1V / L201 : B1.5V
IC203 : 3.3V / IC208 : 3.3V
YES
Check Input power of 'T-con b'd' ?
- F11(T-CON) : B13V
YES
Check Power of 'T-con b'd'.
- L9(T-CON) : VCC12
- TP_VCC33 : VCC33
YES
Please, Contact tech support.
No
Check a connetion power code.
NO
NO
Change 20p cable.
Change Main Power Ass'y.
NO
NO
Change the Main Ass'y.
NO
Reconnect or Change.
the LVDS cable.
NO
Change the T-con B'd