Read Sharp LC-22SV2E (serv.man8) Service Manual online
24
LC-22SV2E
No picture
Check all the settings microprocessor's adjust process menu.
Is output of
R00~R07,
RE0~RE7
normal?
Is output of
G00~G07,
GE0~GE7
normal?
Is output of
B00~B07,
BE0~BE7
normal?
Check
FL4561~FL4564,
R4671~R4674
and their
peripheral parts.
Check
R4675~R4678,
FL4565~FL4568
and their
peripheral parts.
Check
R4679~R4682,
FL4569,
FL4510~FL4512
and their
peripheral parts.
Check IC4569,
IC4570 and
their peripheral
parts.
Yes
Yes
No
No
Colour is
unusual
Is VLS +13V
being
outputted?
No
Picture
image is
gloomy
Is in/output of
SPIO and
SPOI normal?
Check R4571,
R4572, IC4561
and their
peripheral parts.
No
No picture
image
inversion
Is output VL0,
VL64, VL96,
VL128, VL160,
VL192, VL224,
VL256,
VH0, VH64,
VH96, VH128,
VH160, VH192,
VH224 and
VH256 normal?
Check
IC4703~IC4710
and their
peripheral parts.
No
Gradation
defect
TROUBLE SHOOTING TABLE
(Continued)
Click on the first or last page to see other LC-22SV2E (serv.man8) service manuals if exist.