Fast Track Troubleshooting Manual
Power On Sequence:
1. Standby Voltages:
CN201-3 (5V)
2. Power On
probable error on CN201-1
P_ON/OFF )
3. Low Voltage Supplies On
CN201- 7, 8,
13, 14, 15, 16, 21, 22,
4. Back Light Supply On
CN201 -23
5. Back Light Confirmation
CN201-27
2
Wiring Diagram
Include Connector Numbers , References, and
Locations.
UN46C7000WFXZA
To Force Backlight On
without Main Board :
1. Remove Power Cord
2. Disconnect CN201
3. Plug In Power Cord
4. Backlight should be
on immediately.
CN 201
1
P_ON/OFF
16
5.3V
2
HSYNC
17
GND
3
STBY
18
GND
4
G_STBY
19
GND
5
GND
20
GND
6
GND
21
12V
7
12.8V
22
12V
8
12.8V
23
BL ON/OFF
9
GND
24
PWM
10
GND
25
PWM
11
GND
26
GND
12
GND
27
5V DET
13
5.3
28
INV ERROR
14
5.3
29
N.C.
15
5.3
30
N.C.