SAMSUNG PN42C450B1DXZA troubleshooting

PN42C450B1DXZA

FIRMWARE

Please check for updates!

--6/25/10. 1006.0

-Buzzing noise level will be reduced

SERVICE BULLETINS

HELP : 1-888-751-4086 (Tech Support)

1-866-894-0637 (FE)

GSPN
http://gspn3.samsungcsportal.com
PLUS ONE

http://my.plus1solutions.net/clientPortals/samsung

HOT TIPS

-Power On Problems: (pg. 3)

-Video Problems: (pg. 4)

Fast Track Troubleshooting Manual - Rev 1/9/2012

Vs Va Vsc Ve
Voltages

Buffer Y

SMPS

Y Main

Spkr R

X Main

Please check for parts updates!

Logic
Main PCB

Buffer X

Main PCB

Buffer F Buffer E

Spkr L

1

Fast Track Troubleshooting Manual PN42C450B1DXZA

Power On Sequence

-STBY 5V (Pin 2 CN801)

-PS_ON (approx 3.3V – 0V) (Pin 1 CN801)

-VS_ ON (approx 0V – 3.3V) (Pin 6 CN802)

2