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SMPS POWER
„
1
2+
2
5
NC
6
9
1+
10
13
NC
14
1
Fail Count
4
OD_ON/OFF
7
A13V
10
GND
11
1.
Power TV On.
PS_ON
. 2Vdc (when off) changes to 3.3Vdc (on)
9
PS_On stays active for approx 20 sec. after TV is placed in Standby. It also remains ON for approx 2 min.
-
after initial AC Power Cord is connected, even though standby indicator is lit.
2.
if voltage error or no change.
Jog Function Control Test
9
3.
If OK replace Main Board.
All
A13V
supplies to full voltage level 12.7VDC.
9
4.
If any wrong voltage, remove the SMPS connector to Main Board.
A13V again for 12.7VDC.
9
5.
If OK replace Main Board.
6.
If still wrong voltage replace SMPS.
OD
(Over Voltage Detect) : 3.3Vdc (Operating Normal)
9
7.
If 0V or changing, an SMPS or Panel error exists.
8.
Perform Backlight Test.
BLU_PWM
0V- Off to approx 1 - 3.3 V pending Backlight dim level.
9
If missing/error replace
9
CNL802
NC
3
NC
4
NC
7
NC
8
NC
11
NC
12
NC
15
IF2
16
CNM803
2
ANA_DIM
3
5
A13V
6
8
POWER_On/Off
9
GND
12
Main Board.
2-
NC
1-
IF1
A13V
BLU_PWM
GND
GND
CNM803
CNL802
Fuse
4. Troubleshooting
4-5
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