DOWNLOAD Sharp LC-32LD135K (serv.man2) Service Manual ↓ Size: 43.51 MB | Pages: 100 in PDF or view online for FREE

Model
LC-32LD135K (serv.man2)
Pages
100
Size
43.51 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
lc-32ld135k-sm2.pdf
Date

Sharp LC-32LD135K (serv.man2) Service Manual ▷ View online

65
LC-32LD135
F. USB Problems   
Problem: USB is not working or no USB Detection. Check USB Supply, It should be nearly 5V. Also 
USB Enable should be logic high. 
 
 
G. No Sound Problem   
Problem: No audio at main TV speaker outputs.   
Check supply voltages of 24V VDD_AUDIO, 3.3V AUDIO_AVDD and AUDIO_DVDD with a 
voltage-meter. There may be a problem in headphone connector or headphone detect   
circuit (when headphone is connected, speakers are automatically muted). Measure voltage at   
HP_DETECT pin, it should be 3.3v.   
 
 
 
 
 
 
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LC-32LD135
H. Standby On/Off Problem   
Problem: 
Device cannot boot, TV hangs in standby mode.   
There may be a problem about power supply. Check main supplies with a voltage-meter. Also there    
may be a problem about SW. Try to update TV with latest SW. Additionally it is good   
to check SW printouts via Teraterm. These printouts may give a clue about the problem. You can use 
Scart-1 for terraterm connection. 
 
 
    I. No Signal Problem   
    Problem: 
No signal in TV mode.   
Check tuner supply voltage; 5V_VCC, 3V3_TUNER and 1V8_TUNER. Check tuner options are            
correctly set in Service menu. Check AGC voltage at IF_AGC pin of tuner.   
 
 
 
 
 
 
 
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LC-32LD135
16. Service Menu Settings   
In order to reach service menu, first Press “MENU”  button,  then  write  “4725”  by  using  remote 
controller. You can see the service menu main screen below. You can check SW releases by using this   
Menu. In addition, you can make changes on video, audio etc. by using video settings, audio settings 
titles.  
 
Service Menu Main Screen
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LC-32LD135
Audio Settings 
Video Settings 
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