Table of Contents
Advertisement
EN 20
5.
VES15.1HE LA
some of them are available on USB, the available ones are
copied. If no USB is connected, nothing happens.
Note: For Clone function USB stick (Copy to USB - Copy from
USB) must be formatted to FAT32. If USB is not formatted to
FAT32 the other TVs will not accept cloned data and
performance issues will result
5.3.7
How to Edit S/N(Serial Number) & Model Number
Uploading Procedure To TV
Create "SerialNoModelNo.txt" file in an USB stick. Write the
informations below on this text file.
SerialNo: xxx
ModelNo: yyy
Then apply USB operations. Power on/off.
Downloading Procedure From TV
Create "DownloadSerialModelNo.txt" file in an empty USB
stick. Apply USB operations. After you applied USB operations,
"SerialNoModelNo.txt" file will be created automatically in the
USB stick.
5.4
Fault Finding and Repair Tips
Note:
•
It is assumed that the components are mounted correctly
with correct values and no bad solder joints.
•
Before any fault finding actions, check if the correct options
are set.
5.4.1
LED Blinking problem
When the front LED blinks it indicates that the SSB has gone in
protection mode. In the possibility of a short circuit, the LED
light will blink at a 1 to 2 Hz frequency. It will continue to blink
even after rebooting and until proper repairs are made. Check
the DC-DC sections of the SSB as well as the power supply
unit.
5.4.2
No Backlight Problem.
Backlight pin, dimming pin, backlight supply, stby on/off pin
BACKLIGHT_ON/OFF pin should be "high", when the backlight
is ON. R119 must be "low" when the backlight is OFF. If it is a
problem, please check Q10 and the panel cables. Also it can
be tested in TP50 in main board. See figure
5.4.3
No Picture via HDMI input
Check if HDCP key is valid. This can be done in CSM.
5.4.4
TV Will Not Start-up from Stand-by
Possible Stand-by Controller failure. Re flash the SW.
5.4.5
CI Module Problem
Supply, supply control pin, detect pins, mechanical positions of
pins.CI supply should be 5V when CI module inserted. If it is not
5V please check CI_PWR_CTRL, this pin should be low. See
figure
10-3-3 B03, CI, Ethernet,
5.4.6
Loudspeakers
Make sure that the volume is set to minimum during
disconnecting the speakers in the ON-state of the TV. The
audio amplifier can be damaged by disconnecting the speakers
during ON-state of the set!
5.4.7
Display Option Code
This chassis does not use display option codes.
2015-Jan-20
Service Modes and Fault Finding
10-3-5 B05,
Power.
Nand.
5.4.8
Staying in Stand-by Mode
This problem indicates a short on V
should be logic high while normal operation. When there is a
short circuit protect pin will be logic low. If you detect logic low
on protect pin, unplug the TV set and control voltage points with
a multi-meter to find the shorted voltage to ground.
5.4.9
IR Problem
Check LED card supply on MB95M chassis.
5.4.10 No Signal Problem
Check tuner supply voltage; 5V_VCC, 3V3_TUNER and
1V8_TUNER. Check tuner options are correctly set in Service
menu. Check AGC voltage at IF_AGC pin of tuner.
5.4.11 Remote Control Incompatibility
This TV set requires the original remote control that it was
shipped with. Only the original remote control guarantees full
compatibility and operation and a healthy service operation.
back to
div. table
voltages. Protect pin
CC
Advertisement
Table of Contents
