Panasonic PT-RS30K Service Manual page 62

SECTION 1 SERVICE INFORMATION
■ VIDEO input check
One of the input (Y/C, RGB2, HDMI) can be displayed.
A Check the waveform at C3013.
A Check the waveform at C3005.
A Check the waveform at C3049.
A Check the waveform at C3239.
A Check L3042 and peripheral circuit.
■ Y/C input check
Is the image displayed with VIDEO input?
A Check the waveform at C3011(Y signal) and at C3012 (C signal).
Check the waveform at C3003 (Y signal) and at C3004 (C
A
signal).
A Check L3043, L3044, Q3037, Q3038 and peripheral circuit.
OK
NG
NG
NG
NG
OK
NG
NG
NG
Follow the section "A-P.C.Board operation check"
OK
A Check IC3501, X3501 and peripheral circuit.
OK
Check IC3062 and peripheral circuit.
A
OK
A Check IC3075 and peripheral circuit.
OK
A Check Q3036 and peripheral circuit.
NG
Follow the section "A-P.C.Board operation check"
OK
A Check IC3501, X3501 and peripheral circuit.
OK
A Check IC3062 and peripheral circuit.
INF-52
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