
HS75 Sony
42
No Backlight
Check CN902 Pin12 =12V
Check U801 PIN4, 5
Check D802, D803, D807, D809
Check ON/OFF signal
Check IC801 PIN8 voltage is normal?
Check adapter
Check Interface board
OK
OK
NG
NG
Check Q807,Q806 circuit
NG
OK
Check U801 PIN2 triangular wave is
normal
Check C819, C820
Check U801,Q801, Q802
OK
OK
NG
NG
Summary of Contents for HS75
Page 1: ...HS75 Sony 1 TFT LCD COLOR COMPUTER DISPLAY SONY Service Manual ...
Page 3: ...HS75 Sony 3 1 Precaution Warning on power connections Installation ...
Page 4: ...HS75 Sony 4 Handing the LCD screen Maintenance Transportation ...
Page 10: ...HS75 Sony 10 Navigating the menu ...
Page 11: ...HS75 Sony 11 Adjustment steps of each menu ...
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