6.
Trouble
shooting
6
‐
1
Terms:
IR
:
Infrared
Receiver
RC
:
Remote
Control
IR
logic
:
IR
blink
with
RC
action
LVDS
:
Low
Voltage
Differential
Signal,
output
from
processor
and
input
for
panel
O/C
:
Open
Cell,
panel
with
source
board
BL
:
Back
Light,
light
source
for
panel
module
LB
:
LED
(Light
Emitting
Diode)
Bar,
light
source
for
BL
module
VBL
:
Voltage
for
Back
Light
(before
Boost)
VLED
:
Voltage
for
LED
(after
Boost)
OVP
:
Over
Voltage
Protection
OSD
:
On
Screen
Display
AMP
:
Amplifier
39
31
Summary of Contents for 32L310U20
Page 2: ...2 Revison History Rev Date Changed Content Name Note ...
Page 11: ...3 Components name 11 8 ...
Page 12: ...12 ...
Page 22: ...5 3 5 PQ ADVANCED PQ Adjust Adjustments are included VIP NR QMAP etc 22 ...
Page 29: ...5 8 EMC SETTING For Pass Certification 0 2 DDR spread settings 3 5 LVDS spread settings 29 ...
Page 30: ...5 9 SYSTEM INFO 30 ...
Page 31: ...5 10 SW UPGRADE 0 Upgrade item 1 The required upgrade file name 31 ...
Page 35: ...35 ...
Page 41: ...Power supply for LED drive 41 ...
Page 43: ...Display Trouble white screen 43 ...
Page 44: ...6 4 No back light Power LED logic OK sound OK but no picture Different from No Display 44 ...
Page 45: ...Audio Trouble No sound 6 5 No sound One or all signal source without sound 45 ...
Page 46: ...Function Trouble TV video 6 6 Signal source no function One or several source no function 46 ...
Page 47: ...Function Trouble SCART HDMI YPbPr CVBS 47 ...
Page 50: ......
Page 51: ...QSG FR SP ...
Page 63: ......
Page 66: ......
Page 67: ...32L310U20 3MS553B0 Wiring Diagram MSD3553 ZUC 007S 3MS553B0 3IN1 BD FOR POWER ...