Read Sharp XG-V10WE (serv.man8) Service Manual online
47
XG-V10WE
AN-SD1E/S422E
TROUBLE SHOOTING TABLE FOR PC I/F UNIT-1
Checking the PC PWB
No
No
Yes
Yes
Does the user menu appear
onscreen?
onscreen?
Is screen color as specified?
Check the GA4 and its
peripherals.
peripherals.
Adjust the output system in the
process adjustment.
process adjustment.
0
0
End
Overwrite the flash ROM.
Check the RGB input.
(Check the basic signal flow.
The COMPONENT and VIDEO
signals flow in the same way
from CVIC_IC up to DAC OUT.
No checking is therefore
needed from the CVIC on.)
(Check the basic signal flow.
The COMPONENT and VIDEO
signals flow in the same way
from CVIC_IC up to DAC OUT.
No checking is therefore
needed from the CVIC on.)
Check the COMPONENT
input.
(The signal flows in the same
circuit as with the RGB input.
Check the SOG (Sync On
Green) circuit and the color
adjust circuit, among others.)
input.
(The signal flows in the same
circuit as with the RGB input.
Check the SOG (Sync On
Green) circuit and the color
adjust circuit, among others.)
Check the VIDEO input.
(The VIDEO signal comes to
CVIC_IC via a different route
from the RGB input signal. So
check the VIDEO DACÆEPLL
IC.)
(The VIDEO signal comes to
CVIC_IC via a different route
from the RGB input signal. So
check the VIDEO DACÆEPLL
IC.)
Check the DVI input.
(Check the DVI digital input
and the DVI analog input
alike.)
(Check the DVI digital input
and the DVI analog input
alike.)
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