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PN64D550C1FXZA Fast Track Troubleshooting Manual - Rev 1/9/12
Vs Va Vsc Ve SERVICE BULLETINS
Voltages 2 011 PDP Option Byte Table
ASC20110630001
Buffer Y
V Quick Parts: Verify before Ordering
SMPS X Main



Logic Buffer X
Y Main Main PCB



Main PCB

Spkr R Buffer Spkr L
Buffer


HELP : 888-751-4086; 866-894-0637 FE)
GSPN FIRMWARE
http://gspn3.samsungcsportal.com
T-MST4AUSC.exe(24.9MB)
PLUS ONE
http://my.plus1solutions.net/clientPortals/samsung Avail on GSPN or Samsung,Com

HOT TIPS (from similar model) Check for latest updates
If the set has "grainy" video, verify the sources first.
If they are good, check the OSD. if that is fine,
narrow the inputs if possible. Digital noise will show
up as artifacts that customers will describe as
"Grainy" and can occur on the HDMI inputs. If this
only occurs on the HDMI inputs, and you know the
sources are good, replace the main board. Also
1
check external HDMI Cable is < 40 feet.
PN64D550C1FXZA Fast Track Troubleshooting Manual

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) CN2000 (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