DOWNLOAD LG 42SL90QR-MA (CHASSIS:LP91L) Service Manual ↓ Size: 3.83 MB | Pages: 35 in PDF or view online for FREE

Model
42SL90QR-MA (CHASSIS:LP91L)
Pages
35
Size
3.83 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
42sl90qr-ma-chassis-lp91l.pdf
Date
PREV: LG 42SL90QR-LA / 42SL90QR-TA (CHASSIS:LP91L) Service Manual

LG 42SL90QR-MA (CHASSIS:LP91L) Service Manual ▷ View online

No Raster
[B]: Process
Check LED status
On Display Unit
Repeat A PROCESS
Pass
Fail
Check Output of IC802
Change IC802
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
SL90 Series
No Raster on PC Signal
Check Input source Cable And Jack
Pass
Re-soldering or 
Change the defect part
Pass
Check the Input/Output
Of IC100
Fail
Re-soldering or 
Change the defect part,
Check RGB EDID Data
Repeat [A], & [B] Process
Pass
Check the Input/Output
Of J104
Fail
Pass
Check the Input/Output
Of IC800
Fail
Re-soldering or 
Change the defect part
Pass
SL90 Series
No Raster on COMMPONENT Signal
Check Input source 
Cable And Jack
Pass
Re-soldering or 
Change the defect part
Pass
Check the Input/Output
Of IC800
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, JK302, JK303
Fail
Re-soldering or 
Change the defect part
Pass
Pass
Check the Input/Output
Of JK301, JK302, JK303
Fail
Re-soldering or 
Change the defect part
Pass
Check the Input/Output
Of JK301, JK302, JK303
Fail
Re-soldering or 
Change the defect part
Pass
Check the Input/Output
Of IC300, IC301, JK302
Fail
Re-soldering or 
Change the defect part
Check HDMI EDID Data
Re-download HDCP
Pass
Pass
Check the Input/Output
Of IC800
Fail
Re-soldering or 
Change the defect part
Repeat [A], & [B] Process
SL90 Series
No Raster On AV (Video, S-Video)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, JK201
Pass
Re-soldering or 
Change the defect part
Pass
Fail
Pass
Repeat [A], & [B] Process
Check the Input/Output
Of IC800
Fail
Re-soldering or 
Change the defect part
Pass
Check The Input/Output
Of TU500
Pass
Re-soldering or 
Change the defect part
Pass
Fail
Check the Input/Output
Of IC800
Fail
Re-soldering or 
Change the defect part
Repeat [A], & [B] Process
SL90 Series
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