Panasonic PT-EZ770Z Service Manual page 45

SECTION 1 SERVICE INFORMATION
■ HDMI input check
One of the inputs (DVI-D, DisplayPort, VIDEO) can be displayed
One of the inputs (RGB1, RGB2, DIGITAL LINK) can be dis-
played
A Check L1019, L1020, JK1004 and peripheral circuits
■ DIGITAL LINK input check
One of the inputs (DVI-D, DisplayPort, VIDEO) can be displayed
One of the inputs (RGB1, RGB2, HDMI) can be displayed
A Check T1001, IC1101 and peripheral circuits
■ DisplayPort input check
One of the inputs (VIDEO, S-VIDEO, RGB1, RGB2, HDMI) can
be displayed
Check the voltage at the points below;
A Pin1 of IC3000 3.3V
Pin1 of IC3002 1.2V
Check the output waveform of IC3001 at the points below;
A R3014 (DPRX_HPD_OUT)
Pin130 and 131 of IC1016 (TMDS_CLK_N, TMDS_CLK_P)
Check the output waveform of IC1016 at the points below;
A R1332 (FB_HD, FB_VD, FB_ACT)
R1311 (FB_PICLK), R1313 (FB_G9)
A Check IC1102 (CPU& RESIZE) and peripheral circuits
OK
OK
OK
OK
OK
OK
OK
OK
NG
(3)
NG
A Check IC1100 and peripheral circuits
NG
(3)
NG
A Check IC1100 and peripheral circuits
NG
A See " [A] P.C.Board operation check"
A Check IC3000/IC3002 and peripheral circuits
A Check IC3001 and peripheral circuits
A Check IC1016 and peripheral circuits
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