DOWNLOAD LG 32LG5300 Service Manual ↓ Size: 70.76 MB | Pages: 80 in PDF or view online for FREE

Model
32LG5300
Pages
80
Size
70.76 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
32lg5300.pdf
Date
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LG 32LG5300 Service Manual ▷ View online

15.No Sound(Analog TV)      
No Sound
Pass
Repeat C Process
Pass
Check the signal(SIF) of R669
Re-soldering or Change  the 
defect part(U661)  
Fail
Pass
Check input source cable or Tuner(U661)
Repeat D Process
Pass
- 33 -
16.No Sound(DTT)              
No Sound
Check +3.3V, +1.2V of U932,U935
Re-soldering or Change  the 
defect part(U932,U935)  
Fail
Pass
Check the system clock (4MHZ, Y716) and the Voltage of Mojo(U662)
Pass
 Check the signal(TS_data, clk, str)
of U612
Re-soldering or Change  the 
defect part(U661)  
Fail
Pass
Check the signal(data,clk,str,cavld)
 of U662
Re-soldering or Change  the 
defect part(U612)  
Fail
Pass
Check input source cable or Tuner(U661)
Repeat D Process
Pass
Check the signal
 of U916
Re-soldering or Change  the 
defect part(U662,U916)  
Fail
Pass
- 34 -
17.No Sound(SPDIF)           
No Sound
Check +3.3V, +1.2V of U932,U935
Re-soldering or Change  the 
defect part(U932,U935)  
Fail
Pass
Check the system clock (4MHZ, Y716) and the Voltage of Mojo(U662)
Pass
 Check the signal(TS_data, clk, str)
of U612
Re-soldering or Change  the 
defect part(U661)  
Fail
Pass
Check the signal(data,clk,str,cavld)
 of U662
Re-soldering or Change  the 
defect part(U612)  
Fail
Pass
Check input source cable or Jack(JP761)
Check the signal
 of R768
Re-soldering or Change  the 
defect part(U662)  
Fail
Pass
- 35 -
18.SW Upgrade                 
VCTP SW Upgrade
Check the signal(TA,RA) of Q591,Q592
Re-soldering or Change  the 
defect part(U591)  
Fail
Pass
Check the system clock (4MHZ, Y716) and the Voltage of Mojo(U662)
Pass
 Check the signal(TX,RX)
of U81
Re-soldering or Change  the 
defect part(U592)  
Fail
Pass
Check input source cable or jack(JP591)
Mojo SW Upgrade
Check the signal(TA,RA) of Q591,Q592
Re-soldering or Change  the 
defect part(U591)  
Fail
Pass
Pass
 Check the signal(TX,RX)
of U662
Re-soldering or Change  the 
defect part(U592)  
Fail
Pass
Check input source cable or jack(JP591)
- 36 -
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