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PN50C6400TFXZA Fast Track Troubleshooting Manual, Rev. 1/10/12
No Service Bulletins
Y Buffer X Buffer
X Main
SMPS
Y Main
Please check GSPN for parts update!
Quick Parts List:
Main Version Parts No Short Description
NZ02 BN44-00333A SMPS
Logic NZ02 BN94-03316L Main PCB
NZ02 BN96-12958A Buffer E
Woofer NZ02 BN96-12959A Buffer F
NZ02 BN96-12960A X Main
NZ02 BN96-12961A Buffer X
NZ02 BN96-12962A Y Main
Buffer E Buffer F
NZ02 BN96-12963A Buffer Y
NZ02 BN96-12964A Logic Main PCB
Latest Firmware: Please check
NZ02 BN96-14336B Function & IR PCB
Samsung.com for latest update!
HELP: 1-888-751-4086 (Tech Support) 2010 PDP Firmware for Valencia 1G (T- NZ02 BN96-12712A Panel
1-866-894-0637 (FE) VALAUSC, 1035.0) NZ02 BN96-10689A Stand Guide Neck
GSPN Firmware for Valencia 1G Model NZ02 BN96-12992A Front Cover
http://gspn3.samsungcsportal.com Ver: 1035.0 Folder Name: T-VALAUSC NZ02 BN96-13008D Rear Cover
PLUS ONE Description: Support Netflix 2.1 and MLB.tv
NZ02 BN96-13019A Stand Guide
http://my.plus1solutions.net/clientPortals/ apps. And this firmware prevents below
issues: NZ02 BN96-13431D Stand Base
samsung - 3D picture judders when 'Motion Judder NZ02 BN40-00162A Tuner
Canceller' is set to 'Smooth' or 'Standard'. NZ02 BN96-12723U LVDS Cable
HOT TIPS - USB Power Overload' message pops up
NZ02 BN96-12941K Speaker
-Power On Problems: (pg. 3) even USB port is not connected
NZ02 BN96-13273A Speaker
-Video Problems: (pg. 4) - HDMI ports recognition error and signal
loose NZ02 BN59-01042A Remote
- Plug & Play is displayed whenever turning NZ02 BN96-09872R Power Cord
on TV. NZ02 BN96-10788A Accessory Pack
PN50C6400TFXZA Fast Track Troubleshooting Manual
Power On Sequence:
1. STBY 5V (CN801, #2, 5v)
2. PS_ON (CN801, #1, 3.3v-0v)
3. VS_ ON (CN802, #6, 0-3.3v)
4. Panel should illuminate briefly
PN50C6400TFXZA Fast Track Troubleshooting Manual
Sample
"VITAL SIGNS"
When troubleshooting, It's very important to first check Vs, Va, Vsc & Ve
If Vs is missing (0V), disconnect power and check for short. Use ohm
Power Supply Trouble Shooting Notes: meter to measure resistance while disconnecting Y-Board & X-Board
supply feeds one at a time.
2010/2011 models
Turn Power On and Test SMPS with shorted connector removed for
Will not be run with the "X" or "Y" main disconnected. The SMPS will correct Vs voltage verification. (It may only come up briefly but to full
shut down immediately. However if a meter is first connected to the level). Be careful not to reconnect power connectors until Vs falls below
test point when power is applied it will read the correct voltage briefly 10V.
before shut- ting down.(You have enough time to check key
If Va is low or missing, disconnect power connectors to Address Boards
voltages)
and Check to see if SMPS Supply is restored. (Note Va feed normally
CAUTION: Do not reconnect any connectors to SMPS or Y/X Boards passes through the Y-Drive to the Address Boards (Logic Buffer Boards).
until power has been turned off long enough for Vs to drop below 10V If Vsc is low or missing and Vs is OK, the failure is with the Y-Board
or damage will occur to X or Y Boards. .
since the Y-Board generates the Vsc voltage from the supplied Vs.
SMPS Over Current Protection If Ve is low or missing and Vs is OK, the failure is with the X-Board since the
Ve is generated by the X-Board from the supplied Vs. (Please note: In some
If a short circuit occurs on either the VS or VA voltage lines, the SMPS rare cases the Ve is generated by the Y-Board fed to the X-Board.)
stops operating, but should not fail. When the short circuit is removed
from the source line, the Power Supply will operate normally again. Other SMPS Voltages:
Many SMPS Supplies are replaced needlessly! Check Low Voltage feeds to the Main Board and other supplied Assemblies.
3
PN50C6400TFXZA Fast Track Troubleshooting Manual
TROUBLESHOOTING VIDEO PROBLEMS
1. Verify Video Operation 2. Using Test Patterns in Service Mode
a) Customer Picture Test (if available) - ENTERING SERVICE MODE