26
″
LCD TV Hitachi 26LD4550U
64
5. Repair Flow Chart
1. No Power (No LED indicator)
2. Can not start
NG
Check power cord and board interface
Plug in power cord and interface
OK
Check F901, BD901, C905
NG
Replace F901 or BD901 or C905
OK
Check IC901, Q901
Check D904, D906
NG
Replace IC901 or Q901
OK
Check T901
OK
Replace T901
Replace D904 or D906
OK
NG
NG
Check ZD920
NG
Replace ZD920
NG
Repair the keyboard
OK
Check 5V_SB
NG
Check every chip power supply
OK
NG
Check I
2
C communication
OK
Check keyboard
Replace I
2
C communication component
Check oscillistor
NG
Replace oscillistor
Can’t start
Содержание 26LD4550U
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