Sharp LC-13SH1E, Service Manual

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23
LC-13SH1E
LC-15SH1E
TROUBLE SHOOTING TABLE
(Continued)
No
Yes
No
No
No Picture (2/3)
R/G/B
CVBS
No Video 1 Output (SCART)
Is input at pin (C18) of IC501 normal?
Check V1_SY line and its peripheral parts.
Is input at pins (U23), (V23) and (V24) of IC501 normal?
Check SC_R, SC_G, SC_B line and their peripheral parts.
No TELETEXT output
No Video from SCART
Check Q3908, Q3909 and their peripheral parts.
Is output at pin (B23) of IC501 normal?
Check IC501 and its peripheral parts.
Check IC501 and its peripheral parts.
No
No
No
Yes
Yes
No
No
Yes
No
Is output of U/D normal?
No Picture (3/3)
Colour is unusual
Gradation defect
Is output R0-R7 at SC1202 normal?
Is output G0-G7 at SC1202 normal?
Is output B0-B7 at SC1202 normal?
Check R1205 and its peripheral parts.
Check R1206 and its peripheral parts.
Check R1207 and its peripheral parts.
No picture image
Is input/output of SPIO and SPOI normal?
Check R1216 and its peripheral parts.
Check R1210 and its peripheral parts.
Is output V0, V7, V21, V64, V112, V176, V235 and V255 normal?
Check IC1101 and its peripheral parts.