SMPS POWER
A13V
1.
Standby to Main Board: Approx 9Vdc
Power_On/Off: 3.3Vdc
2.
Power ON/OFF
A13V
3.
: to steady 12.7 Vdc
OD/UD : 3.3Vdc
4.
Over & Under Drive
BLU_PWM: .9V~3.3Vdc
5.
also labeled “BLU On/Off” Backlight On/Off & Backlight (PWM signal) Level Control.
CNL802
CNM803
To Main Board CNM803
To Panel LEDS CNL802
4-3
4. Troubleshooting