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PN50C450B1DXZA Fast Track Troubleshooting Manual - Rev 1/10/12
SERVICE BULLETINS
Vs Va Vsc Ve -3/28/11
Voltages -Reddish blur or red dots on the screen after
Buffer Y warm-up - ASC20110328001
-See pages 6 & 7.
X Main
SMPS Please check GSPN for parts update!
Logic
Main PCB
Y Main Buffer X
Main PCB
Buffer E Buffer F
Spkr R Spkr L
FIRMWARE
HELP : 1-888-751-4086 (Tech Support) Please check Samsung.com for latest
1-866-894-0637 (FE) update!
GSPN
http://gspn3.samsungcsportal.com - 3/16/11 IMPORTANT
PLUS ONE -T-SAT4AUSHC(1008.2 or 1008.3).EXE
http://my.plus1solutions.net/clientPortals/samsung -You should check serial number and
bulletin before updating firmware.
HOT TIPS -Reason: Red Dot issue
-See pages 6 & 7.
-Power On Problems: (pg. 3)
-Video Problems: (pg. 4) --6/25/10. 1006.0
- Bulletin "Red Dots": (pg. 6 & 7) -Buzzing noise level will be reduced
1
PN50C450B1DXZA Fast Track Troubleshooting Manual
Power On Sequence
-STBY 5V (Pin 2 CN801)
-PS_ON (approx 3.3V