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PN42C450B1DXZA Fast Track Troubleshooting Manual - Rev 1/9/2012
SERVICE BULLETINS
Vs Va Vsc Ve
Voltages
Buffer Y

X Main
SMPS
Please check for parts updates!
Logic
Main PCB
Y Main Buffer X



Main PCB

Buffer E Buffer F
Spkr R Spkr L

HELP : 1-888-751-4086 (Tech Support) FIRMWARE
1-866-894-0637 (FE) Please check for updates!
GSPN
http://gspn3.samsungcsportal.com --6/25/10. 1006.0
-Buzzing noise level will be reduced
PLUS ONE
http://my.plus1solutions.net/clientPortals/samsung

HOT TIPS
-Power On Problems: (pg. 3)
-Video Problems: (pg. 4)
1
PN42C450B1DXZA Fast Track Troubleshooting Manual




Power On Sequence
-STBY 5V (Pin 2 CN801)
-PS_ON (approx 3.3V