Sharp LC-22DV200E - Page 29

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