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