DOWNLOAD LG 32LF5700 Service Manual ↓ Size: 10.9 MB | Pages: 49 in PDF or view online for FREE

Model
32LF5700
Pages
49
Size
10.9 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
32lf5700.pdf
Date
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LG 32LF5700 Service Manual ▷ View online

              - 33 -                                                         
 
   
(4) Color error 
 
(5)  Vertical/Horizontal bar, residual image, light spot, external device color error 
 
 
 
2. Power error 
(1) No power 
 
 
 
 
              - 34 -                                                         
 
   
(2)  Off when on, off while viewing, power auto on/off 
 
 
3. Audio error 
 
(1) No audio/Normal video 
 
 
(2)  Wrecked audio/ discontinuation/noise   
 
 
 
 
 
 
              - 35 -                                                         
 
   
4. Function error 
(1)  Remote control & Local switch checking 
 
 
(2)  External device recognition error   
 
5. Noise 
 
(1)  Circuit noise, mechanical noise 
 
6. Exterior defect 
 
(1) Exterior defect 
 
 
 
              - 36 -                                                         
 
   
 
Standard Repair Process Detail Technical Manual 
 
1. Video error 
 
(1)  No video/Normal audio 
☞  A1 : Check LCD backlight with naked eye      ☞  A2 : Inverter    B+ 24V measuring method 
                     
 
☞  A3 : Check inverter PCB supply voltage          ☞  A4 : Check White Balance value 
           
 
☞  A5 : Power Board voltage measuring method   
 
 
(2)  No video/Video lag/Stop 
☞  A6 : TUNER input signal strength checking method      ☞  A7 : LCD-TV Version checking method   
                               
 
 
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