Panasonic PT-RZ470 Series, Руководство по обслуживанию

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INF - 25
B
A
C
Either projection image of COMPUTER or VIDEO
can be checked.
Check the IC1010 and its associated circuits. A
Either projection image of DVI-I (digital) or HDMI can be
checked.
A Check the output waveform of IC1010.
R1146(HS), R1147(VS), R1149(CLK)
A Check the IC1010 and its associated circuits.
A Check the output waveform of IC1300(FPGA).
R1373(HS), R1372(VS), R1360(CLK)
A Check the IC1300 and its associated circuits.
A
Check the video signal input waveform of IC1010.
Check the output waveform.
C1081(G/Y), C1079(R/Pr), C1077(B/Pb)
A Check the C1081, C1079 , C1077 and its associated
circuits.
A
Check the sync signal input waveform of IC1010.
Check the output waveform.
Q1025(HD), Q1026(VD)
A
Check the following components and its associated
circuits.
C1011
～
Q1025, C1012
～
Q1026(HD&VD)
Check the IC1400 and its associated circuits.
●
DVI-I (Analog) input checks
A Check the output waveform of L1075(G/Y),
L1076(R/Pr) and L1077(B/Pb).
A
Check the following components and its associated
circuits.
L1072
～
L1077, C1168, C1172, C1173,
R1059
～
R1064
A Check the video signal input waveform of IC1010.
C1083(G/Y), C1080(R/Pr), C1078(B/Pb)
A
Check the following components and its associated
circuits.
C1083, C1080, C1078
A Check the sync signal input waveform of IC1010.
Q1023(HD), Q1024(VD)
A
Check the following components and its associated
circuits.
C1032
～
Q1023, C1010
～
Q1024(HD&VD)
OK
OK
OK
OK
NG
NG
NG
NG
OK
OK
OK
OK
NG
NG
NG
NG
OK
NG
③