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4. Troubleshooting
4-1. Power
4-1-1. TV POWER STANDBY
CNM803
1.
TV in Standby
Standby LED Indicator
9
2.
If Not Lit: (and should have been lit with status setting)
AC 120Vac Line
9
3.
If missing:
120Vac Source and Power Cord
9
4.
If OK: Remove
One Connect
If TV Powers on and Disconnect Banner appears.
9
5.
If TV powers On:
One Connect and cable status.
9
6.
If TV does not power on :
Resistance on SMPS
9
7.
If fuse is open replace SMPS.
6. If fuse is OK:
Standby
:
A13V
(Always On) supplies to Main Board.
9
7. If any missing remove the SMPS connector to Main Board. (Activates Back Light & SMPS Test)
Standby A13V again
9
•
If OK replace
•
If still missing replace
FUSE
(Note: Status can be changed in user menu and may default off.)
Cable.
FUSE
after first removing AC power cord.
Main Board.
SMPS.
CNM803
1
FAIL COUNT
2
3
A13V
4
5
A13V
6
7
A13V
8
9
A13V
10
11
GND
12
13
VAMP
14
15
VAMP
16
17
VAMP
18
4. Troubleshooting
ANA-DIM
CD ON_OFF
BLU_PWM
Power_ON/OFF
GND
GND
GND
GND
GND
4-1
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