Samsung BN07-01140A - Page 3

UN**EH TV Start Up Sequence
Sequence Location DC Voltage
1. 5V STBY to
Main Board
CN803-12
(A5V)
5V
2. Power On/Off
From Main Board
CN803-14
(Power On/Off)
Power On/Off)Power On/Off)
Power On/Off)
0V-3.5V
3. Low Volts On to
Main Board with Booting
Melody (X9 MStar)
CN803-1,3,5,7 (B13V)
CN803- 11,13 (B5) 13V
5V
4.
Back Light On/Off
CN803
-
6)
0V
–
4.9V 5
MAIN
SMPS
4.
Back Light On/Off
From Main Board
CN803
-
6)
BLU On/Off
0V
–
4.9V 5
Sec Dly
5. Back Light Dim Control
from Main Board “0 to 20”
Backlight
CN803 - 2
(PWM_DIMM)
effective DC Voltage is
max when backlight
max
0.5V – 4.0V
(effective)
Dark to
Bright
6. Dim Control Out from IP
SMPS to LEDs D1 – is max
voltage when backlight is min
CNL802-1 & 2 (D1 -
)
C NL802-4 & 5 (D1+)
D1 + stays constant DC
voltage.
1.3V-32.8V
110.8V