Sharp LC13-B2E, Service Manual

Page: 16 / 46

16
LC-13B2E
TROUBLE SHOOTING TABLE
(Continued)
No picture
Check all the settings microprocessor's adjust process menu.
Is output of R0~R5 normal? Is output of G0~G5 normal?
Is output of B0~B5 normal?
Check R1202, R1203 and their peripheral parts. Check R1204, R1205 and their peripheral parts. Check R1206, R1207 and their peripheral parts.
Check T701's sec5V outputs line.
Yes Yes
No No
Colour is unusual
Is VLS 5V being outputted?
No
Picture image is gloomy
Is in/output of SPIO and SPOI normal?
Check R1209 and their peripheral parts.
No
No picture image inversion
Is output V0, V16, V32, V48 and V63 normal?
Check IC1106, IC1107, IC1108 and their peripheral parts.
No
Gradation defect
Is output of U/D normal?
Check Q1201 and their peripheral parts.
Yes
No