Page 1
UN46C7000WFXZA
Version
Parts No
ALL
BN44
ALL
BN81
ALL
BN94
ALL
BN96
ALL
BN07
ALL
BN96
ALL
BN96
ALL
BN96
ALL
BN96
ALL
BN59
ALL
BN96
ALL
BN96
ALL
BN96
ALL
BN96
http://gspn3.samsungcsportal.com
Fast Track Troubleshooting Manual Rev –ϭϭϮϭϮ
SERVICE BULLETINS
No Bulletins listed as of 6/29/11
WůĞĂƐĞĐŚĞĐŬ'^WEĨŽƌƉĂƌƚƐƵƉĚĂƚĞ
Insert Photo of TV Board Layout
Include Board Assy names (as appearing in parts) and any
special labels/items (i.e. Plasma voltage label)
Woofer
Speaker
HELP : 1-888-751-4086 (Tech Support)
1-866-894-0637 (FE)
GSPN
PLUS ONE
http://my.plus1solutions.net/clientPortals/samsung
HOT TIPS
Power On Problems: (see page 2)
Video Problems: (see page 3.4)
Other:
HDMI Bleed-over
SMPS
T-CON
(below Bracket)
Please check Samsung.com for latest update!
2/21/2011
(T-VALAUSC, 1035.0)
Reason: Support Netflix 2.1 and MLB.tv
apps. Support new TV camera (Model:
CY-STC1100). Add "3D Optimize" option
on Menu for better 3D image.(Only
LCD/LED TV)
Previous: 1032.0
Prevents :
-USB Power Overload' message pops up
even USB port is not connected
-Plug & Play is displayed upon power up.
Main
Speaker
FIRMWARE
Short
Description
-00375A Power PCB
-04356A T-CON PCB
-02757A Main PCB
Function & IR
-13847B
-00863A Panel
-13119A Front Cover
-13126A Rear Cover
-13131A Stand Guide
-13133A Stand Base
-01055A Remote
-12723Q LVDS Cable
-12845D Power Cord
-12943B Speaker Front
-13406B Speaker Rear
PCB
1
Page 2
UN46C7000WFXZA
Fast Track Troubleshooting Manual
CN 201
1 P_ON/OFF 16 5.3V
2 HSYNC 17 GND
3 STBY 18 GND
4 G_STBY 19 GND
5 GND 20 GND
Wiring Diagram
Include Connector Numbers , References, and
Locations.
Power On Sequence:
1. Standby Voltages: CN201-3 (5V)
2. Power On probable error on CN201-1
P_ON/OFF )
3. Low Voltage Supplies On CN201- 7, 8,
6 GND 21 12V
7 12.8V 22 12V
8 12.8V 23 BL ON/OFF
9 GND 24 PWM
10 GND 25 PWM
11 GND 26 GND
12 GND 27 5V DET
13 5.3 28 INV ERROR
14 5.3 29 N.C.
15 5.3 30 N.C.
To Force Backlight On
without Main Board :
1. Remove Power Cord
2. Disconnect CN201
3. Plug In Power Cord
13, 14, 15, 16, 21, 22,
4. Back Light Supply On CN201 -23
5. Back Light Confirmation CN201-27
4. Backlight should be
on immediately.
2
Page 3
Fast Track Troubleshooting Manual
1. Verify Video Operation
a. Customer Picture Test (models available)
b. “Display” (If display is OK source is suspected)
C. Substitute with known good Source
(external DVD or Signal Generator)
2. Using Test Patterns in Service Mode
- ENTER SERVICE MODE –
1. Select an active source signal. (HDMI preferred)
Test Pattern may rely on signal source to appear.
Customer Remote Service Remote
2. Power off 2. Power On
3. Mute, 182, Power 3. Info, Factory
2010 Models
FBE
FRC
1.Check OSD & Customer Picture Test.
2. Access SVC Mode (with source signal)
3. Activate FBE Test Patterns & Verify.
4. Activate FRC Test Patterns & Verify.
2011 LED 8000 SeriesTROUBLESHOOTING VIDEO PROBLEMS
1. Select an active source signal. (HDMI preferred)
Test Pattern may rely on signal source to appear.
2. Access Service Mode
3. Access SVC
4. Access Test Patterns
5. Access Genoa-P
6. Check Test Patterns
7. If OK suspect input Source
8. Access Napoli
9. Check Test Patterns
10. If OK and Genoa-P was not good
Suspect Main Board or LVDS Cable
3
Page 4
ON SCREEN FAILURE EXAMPLES:
Fast Track Troubleshooting Manual
ALIGNMENTS:
1. Check/Set Option Bytes:
If Picture & Display errors
Defective Main Board, LVDS,
or T-CON
Pixelization can be caused by the main board
but is more commonly a source error
Green lines or a green screen
defective main board , LVDS , or
T-CON.
Type Model Tuner Region DDR Light Effect
46A2UF7E UC7000 SEMCO - - OFF - SAMEX USA T-M-Brn - -
2. Check/Perform Firmware Upgrade for
all repairs.
3. Perform reset in Service Mode &
Plug and Play if Main board is replaced.
SPECIAL NOTES:
Inform customer of reset of all
Settings if Main Board or Panel is replaced.
Option
Audio
AMP
Ch Table Country Front Color
Local
Set
Exhibition
Mode
Vertical or Horizontal Lines :Defective
Panel likely but also T-CON, LVDS, or Main
Board. Use Test Patterns in Factory Service
Mode to determine error)
4
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