Samsung PN50C680G5FXZA Schematic

FIRMWARE

Please check Samsung.com for
latest update!

10/17/2010, Ver.1002.0
No sound from SPDIF on PC-DTV PIP.

9/2/2010, Ver. 1001.0

Volume going up and down
intermittently.

SERVICE BULLETINS

Please check GSPN for parts update!

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)

PN50C680G5FXZA

Buffer Y

SMPS

Y Main

Buffer E Buffer F

Fast Track Troubleshooting Manual - Rev 1/10/12

Vs Va Vsc Ve
Voltages

X Main

Logic PCB

Main PCB

1

Fast Track Troubleshooting Manual PN50C680G5FXZA

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