Service manual
Manuals
Brands
Scene Double Manuals
Computer equipment
SDBX/D2
51
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Check if the voltage
pressure of J7 Pin2 is high
voltage pressure (More
than 3V)
Yes
Change U7
No sound No picture
Change
Mainboard
No
Yes
Check if there is voltage
pressure in the pad of the
L806
˄
12V
˅ˈ
L807
˄
5V
˅
CHANGE
Q810
No
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