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