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VRX575USB
No switch on LED
No switch on LED
NG
Problem of Q42
Check the operating
of Q42
Replace LED
NG
Problem of touch_5V circuit line
Check of
the connection
of J13
OK
OK
No display RGB image
No display TW8806 image
NG
Problem of VDD5V Circuit line
Check
VDD5V Circuit line
Q1, CON1
Imperfect of U1 (TW8806)
NG
Problem of U1(TW8806)
Check the composite
image
OK
NG
Problem of VDD9V Circuit line
Check
VDD9V Circuit line
U2
OK
NG
Problem of Q7, Q8, Q9
Check
RGB output of
Q7,Q8,Q9
OK
OK
6. NO OPERATING CD/DVD
No loading CD/DVD No eject
No loading CD/DVD No eject
NG
Problem of DVD mechanism
(detective parts)
Escutcheon section
Check
the disc detective
Imperfect of DVD mechanism
NG
Problem of U24
check of U24
DVD(8V)
OK
NG
Problem of DVD mechanism
Escutcheon section
Check
eject the disc
normally
OK
NG
Problem of DVD mechanism
(loading part)
Check
stopping in the time-out
on the way
OK
OK
CD or DVD is loaded, ejected No playing normally
CD or DVD is loaded, ejected
No playing normally
NG
Problem of DVD mechanism
(detective parts)
Escutcheon section
Check
the disc detective
Imperfect of DVD mechanism
NG
Problem of U24
check
the disc normally
OK
NG
Problem of DVD mechanism
Escutcheon section
Check
eject the disc
normally
OK
NG
Problem of DVD mechanism
(loading part)
Check
stopping in the time-out
on the way
OK
OK
Содержание VRX575USB
Страница 5: ... 5 VRX575USB EXPLANATION OF IC uPD78F1165 Main system controller ...
Страница 6: ... 6 VRX575USB ELECTRICAL CONNECTION 1 Wire Connection ...
Страница 13: ... 13 VRX575USB EXPLODED VEIW PARTS LIST ...
Страница 14: ... 14 VRX575USB ELECTRICAL PART LIST ...
Страница 15: ... 15 VRX575USB ...
Страница 16: ... 16 VRX575USB ...
Страница 17: ... 17 VRX575USB ...
Страница 18: ... 18 VRX575USB ...
Страница 19: ... 19 VRX575USB ...
Страница 20: ... 20 VRX575USB BLOCK DIAGRAM VRX 575USB Block Diagram ...
Страница 21: ... 21 VRX575USB ...
Страница 22: ... 22 VRX575USB ...
Страница 23: ... 23 VRX575USB ...
Страница 24: ... 24 VRX575USB ...
Страница 25: ... 25 VRX575USB ...
Страница 26: ... 26 VRX575USB ...
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Страница 28: ... 28 VRX575USB ...
Страница 29: ... 29 VRX575USB ...
Страница 30: ... 30 VRX575USB ...
Страница 31: ... 31 VRX575USB ...
Страница 32: ... 32 VRX576USB ...
Страница 33: ... 33 VRX575USB ...