
TV POWER ON SEQUENCE TEST :
1.
Power TV On
9
Power On/Off
(pin 19 ) .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.
2.
If voltage error or no change:
9
Jog Function & IR Control Test
3.
If OK remove One Connect Cable to Main Board.
9
TV power’s on.
4.
If TV Power’s On
9
One Connect Box & Cable for errors.
5.
If TV still won’t power on
9
Check All
A13V
supplies 12.7VDC
9
All
Vamp
supplies for approx. 12.7 VDC (pins 11 13 15 )
6.
If any wrong voltages, remove SMPS connector to Main Board
9
Check
A13V
again for approx 12.7VDC
9
All
Vamp
supplies for approx. 12.7 VDC (pins 11 13 15 )
7.
If OK:
→
Replace TV Main Board.
8.
If still wrong voltage:
→
Replace SMPS.
9.
BLU_PWM
Backlight On/Off & Dim Control: 1Vdc – 3.3 Vdc depending on backlight dimming level for video.
→
If missing/error replace Main Board.
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4. Troubleshooting