4-2.3. SMPS POWER
Power On Sequence
SMPS Front
CNL802
PIN #
Signal
PIN #
Signal
1
Remove_pin
2
3+
3
-3
4
Remove_pin
5
Remove_pin
6
2+
7
-2
8
Remove_pin
9
Remove_pin
10
1+
11
-1
12
Remove_pin
13
Remove_pin
14
Remove_pin
15
IF2
16
IF1
<YEONHO (SMAW200-H10S5K)>
CNM803
PIN #
Signal
PIN #
Signal
1
A13
2
OD_UD
3
A13
4
BLU_PWM
5
A13
6
PWR_On/Off
7
A13
8
GND
9
GND
10
GND
< YEONHO (SMAW200-H10S5K)>
CNM803
CNL802
Fuse
NOTE
A13V
for Standby & Operation(No loger A5V & "B" voltages)
A13V
1.
Standby to Main Board.
Varying from 7.5 ~ 12.7 Vdc
9
PS_ON 3.3Vdc
2.
Power ON/OFF
9
A13V
3.
to steady 12.7 Vdc
UD
4.
(Under Drive) 3.3 Vdc also labeled "OD/UD".
BLU_PWM .9V ~ 3.3 Vdc
5.
also labeled "BLU ON/OFF" Backlight ON/OFF & Backlight(PWM signal) Level Control.
< Backlight On/Off>
4-8
4. Troubleshooting