Sharp LC-22AD1E User Manual

19
LC-22AD1E
TROUBLE SHOOTING TABLE (Continued)
No picture
Colour is unusual
Picture image is gloomy
No picture image inversion
Check all the settings microprocessor’s adjust process menu.
Is output of R00- R07 , RE0-RE7 normal? (SC4902)
Check FL4506~4509, R4554, R4661, R4564, R4662, and their peripheral parts.
Is output of G00-G07, GE0- GE7 normal? (SC4901/2)
Check R4569, R4663, R4577, R4664, FL4510~FL4513 and their peripheral parts.
Is VLS +13V being outputted?
Check IC4509, IC4504 and their peripheral parts.
Is in/output of SPIO and SPOI normal? (SC4901 44/45Pin)
Check R4570, R4571, IC4512 and their peripheral parts.
Gradation defect
Is output VL0, VL64, VL96, VL128, VL160, VL192, VL224, VL256, VH0, VH64, VH96, VH128, VH160, VH192, VH224 and VH256 normal? (SC4902 1~16Pin)
Check IC4701 and its peripheral parts.
Yes
No No No
No
No
Is output of B00-B07, BE0- BE7 normal? (SC4901)
Check R4580, R4666, R4579, R4665, FL4514~FL4517 and their peripheral parts.
Yes
No

Sharp LC-22AD1E Specifications

General

Brand	Sharp
Model	LC-22AD1E
Category	LCD TV
Language	English