DOWNLOAD LG 50PG6300-ZA (CHASSIS:PD85A) Service Manual ↓ Size: 90.49 MB | Pages: 73 in PDF or view online for FREE

Model
50PG6300-ZA (CHASSIS:PD85A)
Pages
73
Size
90.49 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / Plasma
File
50pg6300-za-chassis-pd85a.pdf
Date

LG 50PG6300-ZA (CHASSIS:PD85A) Service Manual ▷ View online

 
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5.  No Display – HDMI 1/2/3 Input                    
Check the condition of the HDMI cable connection.                        
Check the system clock (27MHZ,Y171) and the Voltage of VCTP_P(U81) 
Check the EDID data of EEPROM(U311,U326,U327) 
Check the signal
 input/output  of U281
Repeat A, B Process
Check the signal input/output of U81
Re-soldering or Change  the 
defect part(U81)  
Fail
Pass
Re-soldering or Change  the 
defect part(U281)  
Fail
Check input source cable or 
jack(JP311,JP326,JP327)
Pass
Pass
 
 
­22­
       
6.  No Display – AV3(CVBS/S-VIDEO) Input                                       
Check the condition of the RCA/S-VIDEO cable connection.                                               
Check the system clock (27MHZ,Y171) and the Voltage of VCTP_P(U81) 
Repeat A, B Process
Check the signal input/output of U81
Re-soldering or Change  the 
defect part(U81)  
Fail
Pass
Check input source cable or jack(JP496,497)
Pass
 
 
­23­
       
7.  No Display – AV1/2(SCART) Input                                       
-  Check the condition of the SCART cable connection.                        
Check the system clock (27MHZ,Y171) and the Voltage of VCTP_P(U81) 
Repeat A, B Process
Check the signal input/output of U81
Re-soldering or Change  the 
defect part(U81)  
Fail
Pass
Check input source cable or jack(JP436,466)
Pass
Check the signal(R,G,B/CVBS) 
input/output of U397
Re-soldering or Change  the 
defect part(U397)  
Fail
Pass
SCART CVBS Output
Check the signal input/output of U396
Re-soldering or Change  the 
defect part(U396)  
Fail
Pass
Check the signal (SCART CVBS output)
 of U81
Re-soldering or Change  the 
defect part(U81)  
Fail
Pass
Check input source cable or jack(JP436,466)
-Level0(TV mode) : 0V to +2V
-Level1A(16:9 mode) : +4.5V to +7V
-Level1B(4:3mode) : +9.5V to +12V
- CVBS mode : 0V to 0.4V
- RGB mode : 1V to 3V
 
 
­24­
       
8.  No Display – Analog TV Input                    
-  Check the condition of the RF cable connection.                        
Check the system clock (27MHZ,Y171) and the Voltage of VCTP_P(U81) 
 
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