4-1-2. TV POWER ON SEQUENCE
Drive 1
1
1+
2
2+
3
1+
4
2+
5
NC
6
NC
7
1-
8
2-
9
1-
10
2-
11
IF2
12
IF1
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
CNM803
Drive 1
Power TV On
1.
POWER ON
9
.2Vdc
(when off) changes to
3.3Vdc
(on)
NOTE
Will stay On for short time when powered off.
•
Frame TV will only go to standby with Function Assy Power Off command.
•
If voltage error or no change:
2.
Jog Function & IR Control Test
9
If OK remove One Connect Cable to Main Board.
3.
TV Power’s on.
9
If TV Power’s On
4.
One Connect Box & Cable for errors
9
If TV still won’t power on
5.
All
9
A13V
supplies for approx.
12.7VDC
All
9
Vamp
supplies for approx.
12.7VDC
If any wrong voltages, remove SMPS connector to Main Board.
6.
A13V
9
again for approx
12.7VDC
All
9
Vamp
supplies for approx.
12.7VDC
If OK replace TV Main Board.
7.
6.
If still wrong voltage replace SMPS.
BLU_PWM
8.
Backlight ON/OFF & Dim control :
1Vdc-3.3Vdc
depending on backlight dimming level for video.
If missing/Error replace Main Board.
9
4-2
4. Troubleshooting
Содержание UN55LS003AF
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