Samsung PN60E8000GFXZA Schematic

PN60E8000GFXZA

Vs Va Vsc Ve
Label Voltages

Fast Track Troubleshooting Manual – Rev 5/23/12

5/ 15/12 ASC20120515001 Capturing
emergency Log Info -Download for SEA Info
4/2/12 ASC20120402001 : Voice Command
issue … Fix: Update to latest firmware

Quick Parts: Verify before Ordering

SERVICE BULLETINS

HELP : 888-751-4086; 866-894-0637 FE)

GSPN

http://gspn3.samsungcsportal.com

PLUS ONE

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

HOT TIPS

- Check for continuous Firmware upgrade for
this model series…

-Motion Control command problems are
related to Firmware upgrade and room
environments. Check room environment and
user operation understanding and conditions.

FIRMWARE

2012 PDP Echo-P Firmware (1018.2)
5/25/12

Avail on GSPN or Samsung,Com

Always check for latest updates

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Fast Track Troubleshooting Manual PN60E8000GFXZA

1. 5V STBY SMPS to Main

2. PS_ON Main to SMPS (all Low Voltages on)

3. PS_ON SMPS thru X-Board to Logic Board

4. VS_ON Logic Board thru X-Board to SMPS

(VS & VA voltages turned on)

CN 4005
X-Board

8 DGND

9 VS_ON

10 VS_CON

11 PS_ON

12 DGND

13 NC

Signal

Fast Track Troubleshooting Manual

Power Supply Trouble Shooting Notes:

2010/2011/2012 models

Will not be run with the “X” or “Y” main disconnected. The SMPS will shut
down immediately. However if a meter is first connected to the test point
when power is applied it will read the correct voltage briefly before shut-
ting down.(You have enough time to check key voltages)

CAUTION: Do not reconnect any connectors to SMPS or Y/X Boards until

power has been turned off long enough for Vs to drop below 10V or damage
will occur to X or Y Boards. .

Over Current Protection

For the SMPS Power Supply... If a short circuit occurs on either the VS or
VA voltage lines, the SMPS stops operating, but should not fail. When the
short circuit is removed from the source line, the Power Supply will
operate normally again. Many SMPS Supplies are replaced needlessly!

SAMPLE VIEW & READINGS

. VITAL SIGNS check Vs, Va, Vsc & Ve

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 meter to
measure resistance while disconnecting Y-Board & X-Board supply feeds one
at a time.
Turn Power On and Test SMPS with short connector removed for correct Vs
voltage verification. (It may only come up briefly but to full level). Again be
careful not to reconnect Power Connectors until Vs falls below 10V.

If Va is low or missing, disconnect Supply Feed to Address Boards and
Check to see if SMPS Supply is restored. (Note Va feed normally passes
through the Y-Drive to the Address Boards (Logic Buffer Boards).

If Vsc is low or missing and Vs was OK, the failure is with the Y-Board

.

since the Y-Board generate the Vsc voltage from the Vs supplied by the
SMPS.
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 Vs supplied by the SMPS. Please note
in some rare cases the Ve may be generated by the Y-Board feed to the X­Board.) Other SMPS Voltages:
Check Low Voltage feeds to the Main Board and other supplied Assemblies.

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