Samsung 2012 Full LED (EH series) TV models.
FIRMWARE:
6/4/2012 Version 1012.3
-2012 LED TV X9N Full HD Firmware (T-MX9FAUSC_1012.3)
-“Makes better picture quality and solves sound noise with 'Auto Volume On'.”
Avail on GSPN or Samsung.com
Always check for latest updates
-2012 LED TV X9N Full HD Firmware (T-MX9FAUSC_1012.3)
-“Makes better picture quality and solves sound noise with 'Auto Volume On'.”
Avail on GSPN or Samsung.com
Always check for latest updates
Parts
and numbers
Disassembly
Place
monitor face down on cushioned table.
Remove
4 screws from the stand.
Remove
stand.
Remove
the 1 screw of cover jack
Remove
cover jack
Disconnect
the function Assy. Cable
Remove
the screws of rear-cover
Remove
the rear cover
Not
removing the connector can cause Damage to the PC/Connector.
Start
Up Sequence
Main
& SMPS boards
Function
Control Troubleshooting
Five
directional function controls:
Standby A3.3V on Function Connector, Pin 3
All Pins should read 3.3V before commands.
Press, at Key 1, Pin 6. 3.3V to 0.0V DC
Left, Right, Up, Down at Key 2, Pin 7. Check specific voltages on chart.
TROUBLESHOOTING
VIDEO PROBLEMS
Verify
Video Operation (2012 Models)
a. Boot Logo models with X10 Micro-Processor & above during power on.
a. Boot Logo models with X10 Micro-Processor & above during power on.
Boot
Sound only (X9MPU) during power on.
b. Customer Picture Test in user menu
c. “Display” (If display and Boot Logo & Customer Picture Test are OK the source or cables are first suspected . Then check for a defective input on the Main Board.)
d. Substitute with known good Source.
b. Customer Picture Test in user menu
c. “Display” (If display and Boot Logo & Customer Picture Test are OK the source or cables are first suspected . Then check for a defective input on the Main Board.)
d. Substitute with known good Source.
(external
DVD or Signal Generator to check inputs on Main Board)
Using Test Patterns in Factory Mode
ENTER FACTORY MODE
Select an active source signal since Test Pattern may rely on signal source to appear or select TV Source mode.
Customer Remote Service Remote
2. Power Standby
2. Power On
3. Mute, 182, Power On
3. Info, Test
4. Select SVC
5. Select Test Patterns.
ON SCREEN FAILURE EXAMPLES
ALIGNMENTS
Check/Set
Option Bytes: in Factory Model
(Must be performed after replacing Main Board. )
(Must be performed after replacing Main Board. )
Standard
Remote
1. Power OFF the TV
2. Press MUTE, 1 8 2, then POWER.
1. Power OFF the TV
2. Press MUTE, 1 8 2, then POWER.
Factory
remote
1. Power the TV ON
2. Press INFO then FACTORY
1. Power the TV ON
2. Press INFO then FACTORY
Check/Perform
latest Firmware Upgrade for all repairs.
Perform
reset in Service Mode if Main board is replaced.
Option bytes
