LG 32LD310 (CHASSIS:LP92D) Service Manual ▷ View online
TROUBLE SHOOTING GUIDE
No power
(LED indicator off)
:
[A] PROCESS
Check 24V, 12V, 5,2V
of Power B/D
Check short of Main B/D
or Change Power B/D
Fail
Pass
Check Output of
IC701, IC702, IC704,Q705
Fail
Check short of IC701, IC702, IC704
Re-soldering or Change defect
Part
Fail
IC701, IC702, IC704,Q705
Pass
Change IC701, IC702, IC704
Pass
Part.
Change LED Assy
Pass
Check LED Assy
Fail
Check P201 Connector
TROUBLE SHOOTING GUIDE
No Raster
[B]: Process
Pass
Check LED status
On Display Unit
Repeat A PROCESS
Fail
Pass
Fail
Check Panel Link Cable
Or Module
Change Panel Link Cable
Or Module
Change Inverter Connector
Pass
Check Inverter Connector
Or Inverter
Fail
Or Inverter
Pass
Check Output of Q705
Change Q705
Fail
Ch
M d l
Ch
k LVDS C bl
Pass
Change Module
Fail
Check LVDS Cable
N
COM ON N Si
l
No Raster on HDMI Signal
TROUBLE SHOOTING GUIDE
No Raster on COMPONENT Signal
Pass
No Raster on HDMI Signal
Check Input source
C bl A d J
k
Pass
Check Input source
Cable And Jack
Pass
Cable And Jack
Check the Input/Output
Re-soldering or
Pass
Re-soldering or
Change the defect part
Check The Input/Output
Of JK101
Fail
p
p
Of JK301
Fail
Change the defect part
Pass
Ch
k th I
t/O t
t
Re-soldering or
Pass
Pass
Check the Input/Output
Of IC604
Fail
Re-soldering or
Change the defect part
Fail
Check the Input/Output
Of IC301
Fail
Re-soldering or
Change the defect part
Pass
Repeat [A], & [B] Process
Pass
Check the Input/Output
Of 602
Fail
Re-soldering or
Change the defect part
Check HDMI EDID Data
Re-download HDCP
Pass
Check the Input/Output
Of IC604
Fail
Re-soldering or
Change the defect part
Repeat [A], & [B] Process
TROUBLE SHOOTING GUIDE
No Raster On AV Signal
No Signal On TV(RF) Signal
Ch
k I
t
Pass
Check Input source
Pass
Check Input source
Cable And Jack
Cable And Jack
Pass
Pass
Check The Input/Output
Re-soldering or
Check The Input/Output
Of JK101
Re-soldering or
Change the defect part
Fail
Check The Input/Output
Of TU401
Pass
Re soldering or
Change the defect part
Fail
Pass
Check the Input/Output
Of IC604
Fail
Re-soldering or
Change the defect part
Check the Input/Output
Of Q401,IC707
Fail
Re-soldering or
Change the defect part
Pass
Pass
Repeat [A], & [B] Process
Pass
Check the Input/Output
Of IC703,IC706
Fail
Re-soldering or
Change the defect part
Check the Input/Output
Of L402,L403
Fail
Re-soldering or
Change the defect part
Pass
Repeat [A], & [B] Process
Click on the first or last page to see other 32LD310 (CHASSIS:LP92D) service manuals if exist.