Fast Track Troubleshooting Manual
)
2
Wiring Diagram
Include Connector Numbers , References, and
Locations.
To Force Backlight On
without Main Board :
1. Remove Power Cord
2. Remove CN802
3. Plug Power Cord In.
4. Backlight should be
on immediately.
CN201
Power On Sequence
(approximate Voltages)
1. Standby Voltages:
CN201-4 (5V)
2. Power On
CN201-2 (0 – 3V )
3. Low Voltage Supplies On
CN201-
1,3,5,7,13,15,17 (Volts Listed on CN802)
4. Back Light On
CN201-16 (0-3V, delayed)
5. Back Light Confirm
CNI802- (FB1 & FB2)
6. Dimming Signal
CN201-14 (1V–4V
approx
)
LN46C650L1FXZA
