DOWNLOAD Sharp LC-22DV200E Service Manual ↓ Size: 7.41 MB | Pages: 82 in PDF or view online for FREE

Model
LC-22DV200E
Pages
82
Size
7.41 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
lc-22dv200e.pdf
Date
PREV: Sharp LC-22DS240K (serv.man9) Service Manual / Technical Bulletin

Sharp LC-22DV200E Service Manual ▷ View online

TROUBLESHOOTING GUIDE
THE PICTURE APPEARS, 
BUT THE AUDIO DOES NOT 
APPEARS. (AT RF MODE)
Is CD301 connected?
Is there signal at pins 
1 and 4 of CD301?
Is there signal at pins 2
and 4 of IC301?
Connect CD301.
Change SP301 and SP302.
Check IC301 and peripheral 
circuit.
Yes
Yes
Yes
No
No
E-2
Is there signal at pins 17 
and 18 of IC4303?
Change TU5801.
Check IC4303 and peripheral  
circuit.
Yes
No
No
Is there signal at pin 16
of TU5801?
Check IC800 and peripheral 
circuit.
Yes
No
E-2
TROUBLESHOOTING GUIDE
THE PICTURE DOES NOT 
APPEAR
Check CD2801, CP7001, 
CP7002, CP7003 and 
CP7004.
Check Voltage INV+B (12V)
Change D515.
No
No
Yes
Yes
Yes
No
Check F7001 Broken.
Check Voltage and signal 
pins 9, 11 and 14 of 
IC7001.
Connect CD2801, CP7001 , 
CP7002, CP7003 and CP7004.
Check IC7001 and peripheral circit.
No
E-3
Check IC800 and peripheral 
circuit.
Change F7001.
Yes
Check Voltage pins 26, 27,28,29 
and 30 (5V) and signal pins 5, 6, 8, 
9, 11, 12, 14, 15, 17, and 18 of 
CP2801.
Change CD2801 or PANEL.
No
Yes
E-3
TROUBLESHOOTING GUIDE
Is setting of color 
normal?
Is the color signal 
received?
Is there color signal at 
IC800?
Adjust the color.
Receive the color signal.
Check IC800 and peripheral 
circuit.
No
THE COLOR DOES NOT 
APPEAR
Yes
No
Yes
No
E-4
Change DIGITAL PCB.
Yes
E-4
TROUBLESHOOTING GUIDE
(DVD SECTION)
DOES NOT DISPLAY DVD 
PICTURE
Does this display 
logo picture?
Does IC4001 gets 
P.CON+3.3V and 
P.CON+1.8V?
Check pins 8 and 10 of 
CP8501 and peripheral circuit.
Yes
No
Yes
Change IC4001.
Check the disc.
Yes
No
Does this have signal 
at pins 102 and 103 of 
IC4001?
E-5
Check P.CON+3.3V and 
P.CON+1.8V line.
No
E-5
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