LG 22LK230-MA (CHASSIS:LP92R) Service Manual ▷ View online
No Raster
[B]: Process
Check LED status
On Display Unit
Repeat A PROCESS
Pass
Fail
Check Output of Q705
Change Q705
Fail
Change Inverter Connector
Or Inverter
Fail
Pass
Fail
Pass
Change Module
Fail
Check LVDS Cable
Pass
Check Panel Link Cable
Or Module
Change Panel Link Cable
Or Module
Check Inverter Connector
Or Inverter
Pass
No Raster on COMPONENT Signal
Check Input source
Cable And Jack
Pass
Re-soldering or
Change the defect part
Pass
Check the Input/Output
Of IC604
Fail
Re-soldering or
Change the defect part
Repeat [A], & [B] Process
Check The Input/Output
Of JK101
Fail
Pass
No Raster on HDMI Signal
Check Input source
Cable And Jack
Pass
Check the Input/Output
Of JK301
Fail
Re-soldering or
Change the defect part
Pass
Pass
Fail
Pass
Check EDID state in SVC Mode
Fail
Re-Download software
Pass
Check the Input/Output
Of IC602
Fail
Re-soldering or
Change the defect part
Pass
Pass
Check the Input/Output
Of IC604
Fail
Re-soldering or
Change the defect part
Repeat [A], & [B] Process
No Raster On AV Signal
No Signal On TV(RF) Signal
Check Input source
Cable And Jack
Pass
Check Input source
Cable And Jack
Pass
Check The Input/Output
Of JK101
Pass
Re-soldering or
Change the defect part
Pass
Fail
Pass
Repeat [A], & [B] Process
Check the Input/Output
Of IC604
Fail
Re-soldering or
Change the defect part
Pass
Check The Input/Output
Of TU401
Pass
Re-soldering or
Change the defect part
Fail
Check the Input/Output
Of IC703
Fail
Re-soldering or
Change the defect part
Repeat [A], & [B] Process
Check the Input/Output
Of L402,L403
Fail
Re-soldering or
Change the defect part
Pass
Pass
No Sound
Check The Input Sourse
Check The Input/Output
Of IC501
Re-soldering or
Change the defect part
Fail
Pass
Pass
Check The Speaker
Change Speaker
Fail
Check The Speaker Wire
Pass
Change The Source Input
Fail