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PN51D490A1DXZA Fast Track Troubleshooting Manual - Rev 1/10/12
Vs Va Vsc Ve SERVICE BULLETINS
Voltages As of 12/31/11 non listed on GSPN but see new:
-2 011 PDP Option Byte Table
ASC20110630001
Buffer Y
V
SMPS X Main Quick Parts: Verify before Ordering
Logic
Main PCB Buffer X
Y Main
Main PCB
Spkr R Buffer Spkr L
Buffer
HELP : 888-751-4086; 866-894-0637 FE) FIRMWARE
GSPN
http://gspn3.samsungcsportal.com No New SW Listed as of 12/31/11
Important to check for new updates.
PLUS ONE
http://my.plus1solutions.net/clientPortals/samsung
HOT TIPS
-Power On Problems: (see pages 2
& 3)
-Video Problems: (see pages 4 & 5)
1
PN51D490A1DXZA Fast Track Troubleshooting Manual
CN801 (SMPS) CN201 (Main Board)
CN801 (SMPS) CN201 (Main Board)
Pin No. Signal
Pin No. Signal
(Main (Main
(SMPS) (SMPS)
Board) Board)
SW_POW
1 PS-ON 1
ER
2 STBY 2 A5V_PW
3 GND 3 DGND
B15VS_P
4 D15V 4
W
5 GND 5 DGND
6 GND 6 DGND
Pin No. Signal
Pin No. Signal
(Main (Main
(SMPS) (SMPS)
Board) Board)
CN802 (SMPS) CN2002 (Logic Board) 7 D5.3V 7 B5V_PW
Power On Sequence Pin No. Signal Pin No. Signal (Logic
1. STBY 5V (Pin 2 CN801) (SMPS) (SMPS) (Logic Board) Board) 8 D5.3V 8 B5V_PW
2. PS_ON (approx 3.3V