DOWNLOAD Sharp LC-40LE361E Service Manual ↓ Size: 27.43 MB | Pages: 127 in PDF or view online for FREE

Model
LC-40LE361E
Pages
127
Size
27.43 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
lc-40le361e.pdf
Date

Sharp LC-40LE361E Service Manual ▷ View online

21
LC-32/40LE361
LC-32/40LE360
LC-32/40LE362
LC-32/40LE363
Backlight power supply should be in panel specs. Please check Q33, shown below; also it can be checked 
TP53.   
 
 
 
STBY_ON/OFF_NOT should be low for tv on condition, please check Q11’s collector.   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
PANEL  SUPPLY  SWITCH
22
LC-32/40LE361
LC-32/40LE360
LC-32/40LE362
LC-32/40LE363
2. CI MODULE PROBLEM   
Problem: CI is not working when CI module inserted. 
Possible causes: Supply, supply control pin, detects pins, mechanical positions of pins
 
  CI supply should be 5V when CI module inserted. If it is not 5V please check CI_PWR_CTRL, 
this pin should be low.   
 
  Please check mechanical position of CI module. Is it inserted properly or not?. 
  Detect ports should be low. If it is not low please check CI connector pins, CI module pins.   
23
LC-32/40LE361
LC-32/40LE360
LC-32/40LE362
LC-32/40LE363
3. STAYING IN STAND-BY MODE   
Problem: Staying in stand-by mode, no other operation. 
This problem indicates a short on Vcc voltages. Protect pin should be logic high while normal operation. 
When there is a short circuit protect pin will be logic low. If you detect logic low on protect pin, unplug 
the TV set and control
 voltage points with a multimeter to find the shorted voltage to ground.     
 
 
 
 
4. IR PROBLEM  
 
Problem: LED or IR not working   
Check LED card supply on MB95M chassis.   
24
LC-32/40LE361
LC-32/40LE360
LC-32/40LE362
LC-32/40LE363
5. KEYPAD TOUCHPAD PROBLEMS   
Problem: Keypad or Touchpad is not working. 
Check keypad supply on MB95M.   
5. KEYPAD TOUCHPAD PROBLEMS   
Problem: Keypad or Touchpad is not working. 
Check keypad supply on MB95M.   
5. KEYPAD TOUCHPAD PROBLEMS   
Problem: Keypad or Touchpad is not working. 
Check keypad supply on MB95M.   
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